WO2022247517A1 - 一种电池包、电动工具系统及充电系统 - Google Patents
一种电池包、电动工具系统及充电系统 Download PDFInfo
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- WO2022247517A1 WO2022247517A1 PCT/CN2022/087124 CN2022087124W WO2022247517A1 WO 2022247517 A1 WO2022247517 A1 WO 2022247517A1 CN 2022087124 W CN2022087124 W CN 2022087124W WO 2022247517 A1 WO2022247517 A1 WO 2022247517A1
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- battery pack
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Classifications
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- H—ELECTRICITY
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
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- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the technical field of the battery pack of the present invention specifically relates to a battery pack, an electric tool system and a charging system.
- the existing chargers usually can only charge a single battery pack, and cannot charge multiple battery packs at the same time, so that the user needs to spend a long time charging the battery packs one by one after each use of the electric tool. Moreover, the existing charger charges the battery pack through a single interface, and the charging process is slow and takes a long time.
- the battery pack works in a humid environment, the battery pack is required to have high waterproof performance.
- the existing battery pack housing has gaps and poor sealing performance, which cannot effectively prevent water from entering the battery pack, and often causes short circuits due to water entering the battery pack.
- a battery pack including:
- a battery pack housing in which a cell assembly and a circuit board are installed, and the circuit board is electrically connected to the cell assembly;
- a plurality of Type-C interfaces are installed on the circuit board and are electrically connected to the circuit board, so as to realize the electrical connection between the cell assembly and the Type-C interface, and to connect external devices.
- the upper shell of the battery pack housing is provided with a limiting member installation groove, and the limiting member is installed in the limiting member installation groove, and is sealed by the installation groove cover.
- the limiting member includes a limiting pressing portion and a limiting column, and when the battery pack is connected to the external tool, the limiting column is used to realize the connection between the battery pack and the external tool.
- the fixed connection between the external tools, the limit pressing part is used for the operator to operate to unlock and separate the battery pack from the external tool.
- a display device is also provided on the battery pack housing, and the display device is used to display the remaining power and/or voltage and/or current and/or cell temperature and/or or malfunction.
- the battery pack further includes a power supply terminal mounted on the circuit board and electrically connected to the circuit board.
- the housing is provided with a socket, the Type-C port is located in the socket, and a protective cover is provided at the socket.
- the protective cover is a protective plug, one end of the protective plug is inserted into the Type-C interface to match the Type-C interface, and the other end is compatible with the plug interface. match.
- the protective cover is a rotating protective cover
- the rotating protective cover is matched with the Type-C interface
- one end of the rotating protective cover is connected to the battery pack through a rotating shaft.
- the housing is connected in rotation.
- the protective cover is a protective sliding cover that matches the Type-C interface.
- the Type-C interface includes at least a first Type-C interface and a second Type-C interface, and the first Type-C interface and the second Type-C interface are respectively assembled on the circuit board and electrically connected with the circuit board.
- a plug-in portion is provided on the top of the battery pack housing, and slide rails are provided on both sides of the plug-in portion.
- a terminal interface is installed on the top of the battery pack housing, the terminal interface is located between the slide rails, and the terminal interface is electrically connected to the circuit board.
- the first Type-C interface and the second Type-C interface are located on two sides or the same side of the socket part.
- the first Type-C interface and the second Type-C interface are located on the top surface of the socket.
- the first Type-C interface and the second Type-C interface are located on the same side or both sides of the battery pack casing.
- the battery pack housing includes an upper housing and a lower housing, the upper housing is fixedly connected to the lower housing, and the plug-in portion is located on the upper housing top surface.
- a sealing groove is provided on the edge connecting the lower casing and the upper casing, and a sealing ring is installed in the sealing groove.
- the present invention also proposes an electric tool system, including a battery pack and an electric tool, the electric tool includes functional modules for performing corresponding functions, and multiple tool Type-C interfaces are arranged on the electric tool;
- the battery pack includes: the battery pack includes a battery pack housing, in which a battery cell assembly and a circuit board are installed, and the circuit board is electrically connected to the battery pack;
- a plurality of Type-C interfaces installed on the circuit board and electrically connected to the circuit board, so as to realize the electrical connection between the battery cell assembly and the Type-C interface, and to connect external devices;
- the multiple battery pack Type-C interfaces are connected to the multiple tool Type-C interfaces, and the battery pack outputs energy to the electric tool to drive the The function modules described above work.
- the electric tool is a lawn trimmer, a pruner, a hair dryer, a chain saw, a lawn pusher, a cleaning machine, a vacuum cleaner, an electric drill, an electric hammer, a riding lawn mower, an intelligent lawn mower, etc.
- a lawn trimmer a pruner, a hair dryer, a chain saw, a lawn pusher, a cleaning machine, a vacuum cleaner, an electric drill, an electric hammer, a riding lawn mower, an intelligent lawn mower, etc.
- a lawn trimmer a pruner, a hair dryer, a chain saw, a lawn pusher, a cleaning machine, a vacuum cleaner, an electric drill, an electric hammer, a riding lawn mower, an intelligent lawn mower, etc.
- the present invention also proposes a charging system, including:
- a battery pack the battery pack includes a battery pack housing, in which a cell assembly and a circuit board are installed, and the circuit board is electrically connected to the cell assembly;
- a plurality of Type-C interfaces installed on the circuit board and electrically connected to the circuit board to realize the electrical connection between the battery cell assembly and the Type-C interface, located on the battery pack shell In the socket, and used to connect external equipment;
- a charger the charger includes a charger housing, in which a first circuit board is installed, and a first charging interface is arranged on the charger housing, and the first charging interface is electrically connected to the first circuit board. sexual connection;
- the first charging interface is electrically connected to the Type-C interface.
- the battery pack of the present invention is provided with a plurality of Type-C interfaces on the battery pack shell, so that the electrical connection between the Type-C interface and the circuit board can be used to realize the electrical connection between the battery pack and the Type-C interface. It can supply power to multiple different electric tools at the same time, which improves the applicability of the product. At the same time, it also provides the possibility to supply power to electronic products such as mobile phones, notebooks, and digital cameras. charging to improve charging efficiency.
- the battery pack of the present invention is provided with a sealed and waterproof structure on the power supply terminal and other structures of the battery pack to improve its sealing and waterproof performance, effectively prevent water from entering the battery pack, and thereby avoid damage to the battery due to water entering the battery pack The problem.
- the battery pack of the present invention can charge/discharge the battery pack according to the type of equipment, not only can perform fast charging through the Type-C interface, but also can quickly discharge the connected equipment with the Type-C interface, and the charging/discharging power can be It is adjusted according to the access equipment within a certain range, and is suitable for access equipment of various voltages, which is convenient for users to use.
- FIG. 1 is a schematic structural diagram of a battery pack proposed by the present invention.
- FIG. 2 is a schematic structural diagram of a middle circuit board of a battery pack proposed by the present invention.
- FIG. 3 is a schematic structural view of a middle and upper casing of a battery pack proposed by the present invention.
- FIG. 4 is a schematic structural view of a middle and lower casing of a battery pack proposed by the present invention.
- FIG. 5 is a schematic structural view of a battery cell assembly of a battery pack proposed by the present invention.
- FIG. 6 is a schematic diagram of the location of the charging interface proposed by the present invention on both sides of the battery pack casing.
- FIG. 7 is a schematic diagram of the position of the charging interface proposed by the present invention on the same side of the battery pack casing.
- FIG. 8 is a schematic diagram of the position of the charging interface proposed by the present invention on both sides of the socket.
- FIG. 9 is a schematic diagram of the location of the same side of the charging interface socket proposed by the present invention.
- FIG. 10 is a schematic diagram of the position of the charging interface proposed by the present invention at the terminal interface.
- FIG. 11 is a schematic diagram of the position of the charging interface proposed by the present invention on the top of the battery pack.
- FIG. 12 is a schematic diagram of another position where the charging interface is located on the top of the battery pack proposed by the present invention.
- FIG. 13 is a schematic structural diagram of a Type-C interface in a battery pack proposed by the present invention.
- FIG. 14 is a structural schematic diagram of a middle limiting member and a mounting slot cover of a battery pack proposed by the present invention.
- FIG. 15 is a schematic structural view of a middle limiting member of a battery pack proposed by the present invention.
- FIG. 16 is a schematic bottom view of a middle limiting member of a battery pack proposed by the present invention.
- FIG. 17 is a schematic structural view of the upper casing in an embodiment of the present invention.
- Fig. 18 is a schematic structural diagram of a waterproof battery pack proposed by the present invention.
- FIG. 19 is a schematic structural view of a cell holder in an embodiment of the present invention.
- FIG. 20 is a schematic structural diagram of a circuit board in an embodiment of the present invention.
- FIG. 21 is a schematic structural diagram of a first interface in an embodiment of the present invention.
- Fig. 22 is a schematic structural view of the lower casing in an embodiment of the present invention.
- FIG. 23 is a structural schematic diagram of another angle of the lower casing in an embodiment of the present invention.
- Fig. 24 is a schematic diagram of the assembly of the protective plug and the first interface in an embodiment of the present invention.
- Fig. 25 is a schematic diagram of the assembly of the rotating protective cover and the first interface in an embodiment of the present invention.
- Fig. 26 is a schematic diagram of the assembly of the protective sliding cover and the first interface in an embodiment of the present invention.
- FIG. 27 is another schematic diagram of the protective sliding cover and the first interface in an embodiment of the present invention.
- FIG. 28 is a schematic diagram of the internal structure of the upper casing in an embodiment of the present invention.
- FIG. 29 is a schematic diagram of an exploded structure of a power supply terminal in an embodiment of the present invention.
- Fig. 30 is a schematic diagram of the structure of the water guiding channel in an embodiment of the present invention.
- Fig. 31 is a schematic structural diagram of a battery pack with a wireless interface disclosed in an embodiment of the present invention.
- Fig. 32 is a structural block diagram of the battery pack disclosed in the embodiment of the present invention.
- Fig. 33 is another structural block diagram of the battery pack disclosed in the embodiment of the present invention.
- Fig. 34 is a structural block diagram of the charging and discharging control system disclosed in the embodiment of the present invention.
- Fig. 35 is another structural block diagram of the charging and discharging control system disclosed in the embodiment of the present invention.
- Fig. 36 is a structural block diagram of the wireless voltage regulating module disclosed in the embodiment of the present invention.
- Fig. 37 is another structural block diagram of the charging and discharging control system disclosed in the embodiment of the present invention.
- Fig. 38 is a schematic diagram of the internal communication connection of the control module disclosed in the embodiment of the present invention.
- FIG. 39 is a schematic workflow diagram of the charging and discharging control method disclosed in the embodiment of the present invention.
- Fig. 40 is a schematic workflow diagram of the type of detection equipment disclosed in the embodiment of the present invention.
- Fig. 41 is a schematic diagram of the workflow of the wireless charging protection logic disclosed in the embodiment of the present invention.
- Fig. 42 is a schematic diagram of the workflow of the wireless discharge protection logic disclosed in the embodiment of the present invention.
- Fig. 43 is a schematic diagram of the workflow of the charging protection logic disclosed in the embodiment of the present invention.
- Fig. 44 is a schematic diagram of the workflow of the discharge protection logic disclosed in the embodiment of the present invention.
- FIG. 45 is another schematic workflow diagram of the charging and discharging control method disclosed in the embodiment of the present invention.
- Fig. 46 is a schematic diagram of the workflow of the charging and discharging protection logic disclosed in the embodiment of the present invention.
- Fig. 47 is a schematic structural diagram of the charging combination disclosed in the embodiment of the present invention.
- Fig. 48 is a schematic circuit diagram of a battery pack proposed by the present invention.
- Fig. 49 is a schematic structural view of the power tool and the battery pack of the power supply system according to an embodiment of the present invention.
- FIG. 50 is a simplified schematic block diagram of a power tool and a battery pack of a power supply system according to an embodiment of the present invention.
- Fig. 51 is a schematic perspective view of a power tool of a power supply system according to an embodiment of the present invention.
- Fig. 52 is a bottom view of the power tool of the power supply system according to the embodiment of the present invention.
- Fig. 53 is an exploded schematic diagram of a battery pack according to an embodiment of the present invention.
- FIG. 54 is a block diagram showing a configuration of a discharge control circuit of a battery pack in a power supply system according to an embodiment of the present invention.
- FIG. 55 is a schematic diagram of the working flow of the discharge circuit of the battery pack of the power supply system according to an embodiment of the present invention.
- Fig. 56 is a schematic structural diagram of an electric tool and a battery pack of a power supply system according to another embodiment of the present invention.
- Fig. 57 is a simplified schematic block diagram of a power tool and a battery pack of a power supply system according to another embodiment of the present invention.
- FIG. 58 is a schematic perspective view of the battery pack of the power supply system according to another embodiment of the present invention.
- Fig. 59 is a schematic structural diagram of the electric tool and the battery pack of the power supply system of the present invention.
- Fig. 60 is a simplified schematic block diagram of the power tool and the battery pack of the power supply system of the present invention.
- Fig. 61 is a block diagram of the circuit structure of the power supply system of the present invention.
- Fig. 62 is a schematic diagram of the discharging process of the power supply system of the present invention.
- Fig. 63 is a schematic structural view of an electric tool and a battery pack through terminals according to the present invention.
- Fig. 64 is a circuit block diagram of the power supply system through the Type-C interface of the present invention.
- Fig. 65 is a circuit block diagram of the terminal power supply system of the present invention.
- Fig. 66 is a flow chart of battery pack activation in the present invention.
- Fig. 67 is a flow chart of the terminal discharge mode of the battery pack of the present invention.
- Fig. 68 is a flow chart of the discharge logic of the battery pack through the Type-C interface of the present invention.
- Fig. 69 is a flowchart of the battery pack Type-C discharge mode of the present invention.
- FIG. 70 is another structural schematic diagram of a charging system proposed by the present invention.
- FIG. 71 is a schematic diagram of a circuit structure of a charger proposed by the present invention.
- Fig. 72 is a schematic structural diagram of the charging combination disclosed in the embodiment of the present invention.
- Fig. 73 is a schematic structural diagram of a charger in an embodiment of the present invention.
- Fig. 74 is a schematic top view of the charger in an embodiment of the present invention.
- Fig. 75 is a structural block diagram of the charger disclosed in the embodiment of the present invention.
- Fig. 76 is another structural block diagram of the charger disclosed in the embodiment of the present invention.
- Fig. 77 is a structural block diagram of the battery pack disclosed in the embodiment of the present invention.
- Fig. 78 is a structural block diagram of the detection module disclosed in the embodiment of the present invention.
- Fig. 79 is another structural block diagram of the battery pack disclosed in the embodiment of the present invention.
- Fig. 80 is a structural block diagram of the charging combination disclosed in the embodiment of the present invention.
- Fig. 81 is a flowchart of the charging method disclosed in the embodiment of the present invention.
- Fig. 82 is another structural block diagram of the communication control system disclosed in the embodiment of the present invention.
- Fig. 83 is a schematic workflow diagram of the communication control method disclosed in the embodiment of the present invention.
- Fig. 84 is a schematic diagram of the workflow of charging/discharging according to the device type disclosed in the embodiment of the present invention.
- Fig. 85 is another schematic workflow diagram of the communication control method disclosed in the embodiment of the present invention.
- Fig. 86 is an application scene diagram of an adaptation device.
- Figure 87 is a three-dimensional structure diagram of the shell.
- Figure 88 is an exploded view of the adapter device.
- Fig. 89 is a structural diagram of the first casing.
- Fig. 90 is a structural diagram of one side of the second casing.
- Fig. 91 is a structural view of the other side of the second casing.
- Fig. 92 is a block diagram of a battery pack control system.
- Fig. 93 is a block diagram of a charging device control system.
- Fig. 94 is a block diagram of a charge conversion control system.
- Figure 95 is a flowchart of battery pack charging.
- Fig. 96 is a flowchart of charging the battery pack by the charging device.
- Fig. 97 is a flow chart of a charge conversion method.
- Fig. 98 is a three-dimensional structural view of the housing in another embodiment.
- Fig. 99 is a structural diagram of the first housing in another embodiment.
- Fig. 100 is a side structural view of the first structure of the first casing in another embodiment.
- Figure 101 is a flowchart of battery pack discharge.
- Fig. 102 is a block diagram of an electric tool control system.
- Fig. 103 is a block diagram of a charger control system.
- Fig. 104 is a flow chart for the electric tool (charger) to enter the working mode (charging the battery pack).
- Fig. 105 is a block diagram of a charge conversion control system.
- Fig. 106 is a flowchart of the voltage conversion of the adaptation device.
- Fig. 107 is a schematic structural diagram of a multi-slot charger proposed by the present invention.
- FIG. 108 is a front view of the multi-slot charger of FIG. 107.
- FIG. 108 is a front view of the multi-slot charger of FIG. 107.
- FIG. 109 is a top view of the multi-slot charger of FIG. 107.
- FIG. 109 is a top view of the multi-slot charger of FIG. 107.
- FIG. 110 is a schematic structural diagram of a charging system in an embodiment of the present invention.
- Figure 111 is a front view of the assembly of the battery pack and the multi-slot charger.
- Fig. 112 is a structural schematic diagram of a charging box in a multi-slot charger and charging system proposed by the present invention.
- Fig. 113 is a schematic top view of the charging box.
- Fig. 114 is a structural schematic diagram of a multi-slot charger and a charging case in a charging system proposed by the present invention.
- Fig. 115 is a partial structural schematic diagram of a charging box in a multi-slot charger and charging system proposed by the present invention.
- Fig. 116 is another partial schematic diagram of a charging box in a multi-slot charger and charging system proposed by the present invention.
- Figure 117 is a left side view of the battery pack assembled with the multi-slot charger.
- Fig. 118 is a structural schematic diagram of a battery pack in a multi-slot charger and charging system proposed by the present invention.
- Figure 119 is a bottom view of the battery pack.
- Fig. 120 is a schematic structural diagram of a backpack battery pack proposed by the present invention.
- FIG. 121 is a schematic structural view of a battery pack case in an embodiment of the present invention.
- FIG. 122 is a structural schematic diagram of another angle of the battery pack shell in an embodiment of the present invention.
- Fig. 123 is a schematic diagram of the connection between the battery pack and the electric tool in an embodiment of the present invention.
- Fig. 124 is a schematic diagram of the connection between the battery pack and the charger in an embodiment of the present invention.
- the present invention discloses a battery pack 100 for powering electric tools and electronic equipment.
- the battery pack 100 includes a battery pack housing 10, a plurality of Type-C interfaces and power supply terminals.
- the battery pack 100 shown also includes a battery cell assembly 120 and a circuit board accommodated in the battery pack housing 10. 13.
- the cell assembly 120 includes a plurality of cells, and the plurality of cells are installed in the cell bracket 14, and the cell bracket 14 is located in the battery pack housing 10, and the cells are The cells are connected through electrode sheets 141 , and the cells are electrically connected to the circuit board 13 .
- the power supply terminal 132 is installed on the circuit board 13 and is electrically connected to the circuit board 13, and the power supply terminal 132 is close to the top of the battery pack housing 10.
- the terminal interface 131 is partially exposed to the terminal interface for connecting an external electric tool.
- the output voltage of the battery pack 100 is 24V, the output current is 40A, and the output power is 960W, but it should not be limited thereto.
- the battery pack is applied to an electric tool system
- the electric tool system includes the battery pack and the electric tool in the above embodiment
- the electric tool includes a functional module and a plurality of tools for performing corresponding functions Type-C interface
- the battery pack 100 is connected to the electric tool
- the Type-C interfaces on the multiple battery packs are connected to the multiple tool Type-C interfaces
- the battery pack is connected to the
- the electric tool outputs energy to drive the functional modules to work.
- the electric tools include, but are not limited to, lawn trimmers, hair dryers, pruners, chain saws, lawn pushers, washing machines, vacuum cleaners, smart lawn mowers, smart cleaning equipment, and ride-on lawn mowers.
- the battery pack housing 10 includes an upper housing 11 and a lower housing 12, the upper housing 11 is fixedly connected to the lower housing 12, and the electrical
- the core assembly 120 and the circuit board 13 are accommodated in the accommodation space formed by assembling the upper casing 11 and the lower casing 12, and the top surface of the upper casing 11 is provided with a plug-in part 1101, and the plug-in part 1101
- Slide rails 1102 are arranged on both sides, and the terminal interface 131 is arranged at one end of the insertion part 1101, and is located between the slide rails 1102 on both sides of the insertion part 1101, when the external electric tool and the When the slide rail 1101 is connected to the battery pack 100 , the power supply terminal 132 is electrically connected to the external electric tool.
- the upper casing 11 of the battery pack housing 10 is provided with a limiting member installation groove 112, and the limiting member 111 is installed in the limiting member installation groove 112, and is sealed by the installation groove cover 1121.
- the limiting member 111 is used to allow the battery pack 100 to be easily detached when the battery pack 100 is plugged and unplugged.
- the battery pack housing 10 is provided with an insertion interface 113, and the battery pack 100 also includes a The Type-C interface of the plug interface 113, the Type-C interface is electrically connected to the circuit board 13, so as to realize the electrical connection between the battery core and the Type-C interface, so as to facilitate the use of the Type-C interface to Realize the power output/input of the cell assembly 120 .
- the battery pack case 10 is arranged in a roughly rectangular shape, the Type-C interface is arranged on the long side of the battery pack case 10, and the stopper 111 is close to The short side of the upper case 11 is provided.
- the Type-C interface is provided on the opposite long sides of the battery pack case 10, and the Type-C interface includes: a first Type-C interface 122a and a second Type-C interface 122a.
- -C interface 122b correspondingly, there are two plug ports 113 and they are respectively arranged on the two long sides of the battery pack casing 10, specifically on the two long sides of the upper case 11; the orientation of the plug ports 113 perpendicular to the two long sides.
- the first Type-C interface 122a and the second Type-C interface 122b are located on the same side or both sides of the battery pack case 10, when When the first Type-C interface 122a and the second Type-C interface 122b are located on both sides of the battery pack housing 10, they are preferably arranged symmetrically or asymmetrically, and preferably The Type-C interface is set approximately flush with the circuit board in the height direction, and the distance L1 between the two Type-C interfaces is in the range of 0-140mm.
- the first Type-C interface 122a and the second Type-C interface 122b are approximately flush with the second circuit board 13 in the height direction, when the battery pack is used on the tool , 2 Type-C interfaces can also discharge peripherals at the same time, or supply power to peripherals separately through 2 Type-C interfaces.
- the distance L2 between the two Type-C interfaces ranges from 0 to 160 mm.
- the first Type-C interface 122a and the second Type-C interface 122b are located on both sides or on the same side of the socket part 1101 , Specifically, the first Type-C interface 122a and the second Type-C interface 122b are located at the slide rail 1102, so that when the battery pack is used on the tool, the first Type-C The C interface 122a and the second Type-C interface 122b are completely covered, so as to prevent foreign matter generated when the tool is used from entering the battery pack 100 .
- the first Type-C interface 122a and the second Type-C interface 122b are located at the terminal interface 131 and arranged vertically, when the battery pack When used on a tool, the first Type-C interface 122a and the second Type-C interface 122b are completely covered, so as to prevent foreign matter generated when the tool is used from entering the battery pack 100 .
- the height L3 from the top surface of the battery pack to the bottom surface of the guide rail is in the range of 0-30mm, preferably 11.85mm, and two Type-Cs are distributed between the top surface and the bottom surface of the guide rail.
- the first Type-C interface 122a and the second Type-C interface 122b are located on the top surface of the socket part 1102 and arranged side by side , when the battery pack is used on the tool, the first Type-C interface 122a and the second Type-C interface 122b will be completely covered, so that foreign matter generated when the tool is used can be prevented from entering the battery pack, or One of the Type-C ports is on the top surface and the other is on the side.
- the first Type-C interface 122a and the second Type-C interface 122b can also be arranged at other positions, as long as power transmission can be realized, and there is no limitation here.
- the Type-C interface is an electrical connector capable of charging and discharging, and the output voltage of the Type-C interface is 5-20V, preferably 5V, 9V, 12V, 15V, 20V; output current is 1-5A, preferably 1A, 2A, 3A, 4A, 5A; output power is 15-100W, preferably 15W, 18W, 30W, 45W, 60W, 100W.
- the Type-C interface includes an insulating body 1221, a conductive terminal 1222 fixed on the insulating body 1221, and a cover on the outside of the insulating body 1221 and the conductive terminal 1222.
- the shield housing 1223, the conductive terminal 1222 and the shield housing 1223 are both made of metal material, and the conductive terminal 1222 is in contact with the inner side wall of the shield housing 1223, so that the conductive terminal 1222 and the shield housing
- the housing 1223 is electrically connected, and the shield housing 1223 is provided with pins 1224 welded and fixed with the circuit board 13 .
- the conductive terminal 1222 of the Type-C interface can be electrically connected to the battery cell through the pin 1224 of the cover housing 1223 and the circuit board 13, and then can be connected to the battery cell through the Type-C interface.
- Electronic devices such as digital cameras, wearable smart devices and other electronic products are charged.
- the Type-C interface is arranged in parallel with the circuit board 13, and the parallel arrangement includes both the situation where the Type-C interface is fixed on the upper side of the circuit board 13, and also includes
- the distance between the outer edge of the socket 113 and the circuit board 13 is smaller than the longitudinal length of the socket 113 Specifically, the distance between the outer edge of the socket 113 and the circuit board 13 is 0-20 mm, preferably 0-15 mm, more preferably 0-10 mm, and most preferably 7.75 mm.
- the circuit board 13 is integrated with a power supply terminal 132, and the power supply terminal 132 is also electrically connected to the battery cell through the circuit board 13, and the upper casing 11
- a terminal interface 131 is defined at an end away from the limiting member 111 , and a power supply terminal 132 is disposed close to the terminal interface 131 and partially exposed to the terminal interface 131 .
- the extending direction of the power supply terminal 132 and the orientation of the terminal interface 131 are parallel to the two long sides.
- the design of the power supply terminal 31 and the terminal interface 131 enables the battery pack 100 of the present invention to be plugged into an electric tool to provide power for the electric tool.
- the battery pack housing 10 is also provided with a display device 1115, which can be used to display the remaining power of the battery pack 100, or can be used to It is used to display the voltage and current of the battery pack 100, the temperature of the battery cells, faults, and the like.
- the display device can also display the operating parameters of the electric tool, such as the rotation speed of the motor and so on.
- the display device is preferably an LCD display, but should not be limited thereto.
- the display device 1115 is fixed on the upper casing 11 and located beside the limiting member 111 .
- the limit member 111 includes a limit pressing part 1111 and a limit post 1112.
- the limit press part 1111 is used for the operator to operate to release the lock between the battery pack 100 and the electric tool; In order to realize the fixed connection between the battery pack 100 and the external equipment.
- a spring installation column 1113 and a guide sleeve 1114 are provided on both ends of the bottom of the limiting member 111, a limiting spring is installed on the spring installing column 1113, and the bottom end of the limiting spring It abuts against the limit member installation groove 112 of the upper housing 11, and is used to reset the limit member 111.
- the guide sleeve 1114 is sleeved on the guide post on the limit member installation groove 112.
- the limiting member 11 plays a guiding role in the process of pressing down and rising.
- the display device 1115 is fixed on the upper casing 11 and located between the position-limiting pressing part 1111 and the position-limiting column 1112, the purpose of which is to: When the battery pack 100 is combined with the electric tool, the operator can see the content displayed on the display device 1115 during use. Timely discovery and treatment to avoid the danger.
- the display device 1115 can also be installed on the front side of the battery pack 100 , that is, on the side of the limiting pressing portion 1111 away from the limiting post 1112 .
- such an installation solution needs to consider whether the lead wires between the display device 1115 and the circuit board 13 will be interfered by the position-limiting pressing portion 1111 , and the wiring will be limited.
- a layer of waterproof label 11151 is pasted on the display device 1115 to enhance the waterproof performance of this part.
- a ventilation hole 1116 is also provided in the limiting member installation groove 112.
- the battery pack 100 will generate gas during use or the air inside the battery pack will expand due to the heating of the battery cells.
- the ventilation hole 1116 is used to The air inside the battery pack 100 is exhausted.
- the circular groove at the bottom of the stopper 111 always covers the vent hole 1116 to prevent water from entering the battery pack 100 through the vent hole 1116 .
- the interface of the battery pack is provided with a waterproof structure, and the battery pack also includes a first interface 122 arranged on the side of the housing, the first interface 122 is installed on the bottom surface of the circuit board 13, and is electrically connected to the circuit board 13.
- the cell bracket 14 is provided with an interface installation part 142, the first interface 122 is located in the interface installation part 142, and the interface installation part 142 is a limit baffle, located in the first interface 122, in order to realize the limit of the first interface 122, to ensure that the first interface 122 will not be displaced after being stressed, so as to ensure the normal use of the function of the first interface 122.
- the first interface 122 An interface 122 is preferably a Type-C interface.
- the first interface 122 is installed above the circuit board 13 .
- one end of the first interface 122 protrudes from the side of the cell support 14, and the first interface 122 protrudes from the cell support
- a first sealing member 123 is installed on one end of the side surface of 14 , and the first sealing member 123 is deformed under the extrusion of the battery pack case 10 and the first interface 122 to achieve sealing.
- a sealing groove 115 is provided at the edge connecting the lower casing 12 and the upper casing 11, and a second sealing ring 116 is installed in the sealing groove 115, when the When the lower housing 12 is fixedly assembled with the upper housing 11, the second sealing ring 116 is deformed under the extrusion of the upper housing 11 and the lower housing 12 to fill the upper housing 11 and the upper housing 11. The gap between the lower casings 12 forms a seal.
- the upper casing 11 and the lower casing 12 are connected by screws, specifically, the four corners of the lower casing 12 are respectively provided with threaded passages.
- Holes 1201 the inside of the upper housing 11 is also provided with four threaded holes with a certain depth correspondingly, screws extend from the bottom of the lower housing 12 into the threaded through holes 1201, and Connected with the threaded hole of the upper case 11, the threaded connection between the upper case 11 and the lower case 12 makes the threaded hole at the bottom of the lower case 12, so as to prevent water from entering the battery from the threaded hole inside the bag.
- a groove 114 is provided on the inner side of the lower case 12, and the groove 114 is located below the insertion port 113, and the battery cell
- a rib 143 is provided on the side of the bracket 14, and the rib 143 is located below the first interface 122 and protrudes beyond the end of the first interface 122 where the first seal 123 is installed.
- the rib 143 of the cell support 14 moves to the lower case 12, and the lower case 12 is extruded and deformed until the rib 143 is Installed in the groove 114 corresponding to the lower casing 12, so that the first sealing member 123 on the first interface 122 is squeezed by the lower casing 12 to deform it, and the first interface 122 is connected to the lower casing 12.
- the gaps in between are filled so that water cannot enter.
- the ribs 143 and the grooves 114 are both arranged in an L-shaped structure and matched with each other.
- the battery pack casing 10 of the battery pack is also equipped with a protective cover, and the protective cover is located at the insertion port 113 to cover the first port. 122, so as to play the effect of waterproof and dustproof.
- the protective cover is a protective plug 117, one end of the protective plug 117 is inserted into the first interface 122 to match the first interface 122, and the other end is connected to the plug.
- the interface 113 is matched so as to cover the first interface 122 to achieve a sealing effect, so as to further improve the effect of waterproof and dustproof.
- the protective cover is a rotating protective cover 118
- the rotating protective cover 118 is matched with the first interface 122
- one end of the rotating protective cover 118 passes through a
- the rotating shaft is rotatably connected with the lower housing 12, rotates around the rotating shaft, and rotates the rotating protective cover 118 to the insertion port 113 to cover the first port 122, so as to seal and Further improve the effect of waterproof and dustproof.
- the protective cover is a protective sliding cover 119 matching with the first interface 122 .
- the protective sliding cover 119 includes a sliding rail 1191 and a sliding cover 1192, the sliding rail 1191 is installed on the lower housing 12, and a limiting rib is arranged on the sliding rail 1191, and the sliding cover can be manually slid 1192 to the limiting rib, the sliding cover 1192 is fixed under the action of the limiting member rib to cover the first interface 122, so as to seal and further improve the effect of waterproof and dustproof.
- the protective sliding cover can also include a sliding rail 1191, a sliding cover 1192 and a spring 1193, the sliding rail 1191 is installed on the lower casing 12, and the sliding cover 1192 Installed on the slide rail 1191, and one end of the spring 1193 is connected to the platform between the lower ends of the slide rail 1192, and the other end is connected to the top of the inner side of the slide cover 1192, under the elastic force of the spring 1193
- the sliding cover 1192 automatically covers the insertion port 113, thereby covering the first port 122, so as to perform a sealing function to further improve the effect of waterproof and dustproof.
- a sealing ring on the first interface, and makes the first sealing member deform under the extrusion of the battery pack shell and the first interface to achieve sealing, thereby improving its sealing performance, effectively Prevent water from entering the battery pack, thereby avoiding damage to the battery due to water entering the battery pack.
- a second sealing ring is installed at the joint between the lower case and the upper case to further improve the waterproof effect.
- a protective cover is provided on the battery pack casing to cover the first interface, thereby further improving the waterproof effect, and at the same time achieving the purpose of dustproofing.
- the power supply terminal 132 is installed on the circuit board 13 and located at the terminal interface 131.
- the The inside of the upper housing 11 is provided with a terminal installation groove 1311, the power supply terminal 132 is installed on the circuit board 13, and is located in the terminal installation groove 1311, so that the first sealing ring 1324 on the power supply terminal 132 is in the position.
- the cooperation between the insert mounting seat 1321 and the terminal mounting groove 1311 realizes the sealing effect.
- the power supply terminal 132 includes a plug mount 1321 and a plurality of plugs 1322, and the plug mount 1321 is installed on the circuit board 13, so
- the plurality of inserts 1322 are installed on the insert mount 1321, and the height of the insert mount 1321 is higher than the height of the insert 1322, and the bottom of the insert 1322 is in contact with the circuit board 13 are electrically connected, and every two inserts 1322 are separated from each other by vertical ribs 1323.
- the insert mounting seat 1321 is set as a mounting groove with two adjacent surfaces set as openings, and the A plurality of vertical ribs 1323 are distributed at intervals in the groove, and the groove has been divided into a plurality of separate and mutually separated spaces for installing inserts 1322, and the height of the vertical ribs 1323 is higher than that of the inserts 1322 to isolate each insertion piece 1322 separately, so as to avoid mutual influence between multiple insertion pieces 1322 .
- a sealing groove 1320 is provided at the bottom of the insertion piece mounting seat 1321, and a first sealing ring 1324 is arranged in the sealing groove 1320, and the first sealing ring 1324 is installed on the insertion piece.
- the mounting seat 1321 and the battery pack shell 10 are deformed under extrusion to fill the gap between the insertion piece mounting seat 1321 and the battery pack shell 10 , thereby achieving a sealing effect.
- the inserts 1322 will not interfere with each other, and due to the sealing effect of the first sealing ring 1324, the insert mounting seat 1321 and the battery case There is no gap between the bodies 10 , so that the water entering from the terminal interface 131 cannot enter the interior of the battery pack and is easily drained from the terminal interface 131 .
- the upper casing 11 of the battery pack case 10 is provided with a limiting member installation groove 112, and a limiting member 111 is installed in the limiting member installation groove 112. , and sealed by the installation groove cover 1121, the limiter 111 is used to make the battery pack 100 can be easily disengaged when the battery pack 100 is inserted and pulled out, the installation groove cover 1121 and the battery pack shell 10 A water guiding groove 101 is provided between them, so that the water entering the limiting member installation groove 112 can quickly flow out from the water guiding groove 101, so as to avoid water accumulation there, thereby affecting the waterproof performance of the battery pack.
- a plurality of threaded holes are provided in the installation groove 112 of the limiting member, and the bolts are fixedly connected with the installation groove cover 1121 through the threaded holes.
- Bosses 11201 are provided at the holes, and the height of the bosses 11201 is higher than the bottom surface of the limiter installation groove 112, so as to prevent the bolts from being soaked in water, and at the same time prevent water from coming out of the gap between the bolts and the threaded holes. Enter the battery pack.
- the battery pack casing 10 is provided with a wireless interface 114 , and the battery pack can be charged and discharged through the wireless interface 114 .
- the battery pack includes multiple discharge modes, the discharge modes at least include wireless discharge mode, Type-C interface discharge mode and power supply terminal discharge mode, and the discharge process is the wireless discharge mode, the One of the discharge modes of the Type-C interface and the discharge mode of the power supply terminal is used for discharging, or multiple modes are used for discharging simultaneously.
- the battery pack includes multiple charging modes, the charging modes at least include wireless charging mode, Type-C interface charging mode and power supply terminal charging mode, and the charging process is the wireless charging mode, the Charging is performed in one of the charging modes of the Type-C interface and the charging mode of the power supply terminal, or charging is performed in multiple modes at the same time.
- the battery pack also includes charging through the wireless interface while discharging externally through the Type-C interface, and charging through the Type-C interface while charging through the wireless interface.
- the wireless interface discharges externally and the power supply terminal discharges externally through the wireless interface and the Type-C interface at the same time.
- the embodiment of the present invention discloses a charging and discharging control system, which is applied to a battery pack 100 that uses a Type-C interface 122 and/or a wireless interface 114 for charging/discharging.
- the battery pack 100 includes a cell assembly 120.
- the cell assembly 120 includes a plurality of cells. The cells can be combined in series and parallel to form a cell assembly 120.
- the cell assembly 120 is used to store electrical energy, and the cells are connected to each other. After being combined, charging/discharging can be performed through the Type-C interface 122 and/or the wireless interface 114 .
- One end of the control system is electrically connected to the battery cell assembly 120, and the other end is electrically connected to the wireless interface 114 and each Type-C interface 122, and is used to detect the equipment connected to the device on the Type-C interface 122 and/or wireless interface 114 Type, the battery pack 100 is charged/discharged through the Type-C interface 122 and/or the wireless interface 114 according to the device type; wherein, the device type includes a charging device and a discharging device.
- Type-C interface 122 is a USB standard interface, and its interface type is a double-sided model that can adapt to front and back insertion, and supports the USB PD fast charging protocol (USB Power Delivery Specification, USB fast charging standard).
- the pins of the Type-C interface 122 include VBUS, CC, D+, D-, and GND.
- the communication protocol of the Type-C interface 122 is not limited to the above-mentioned standardized USB PD fast charging protocol, but also supports proprietary protocols, which are generally designed by each manufacturer according to their own conditions, and this solution does not limit it.
- the access device is also provided with a Type-C interface, and the interaction between the access device and the battery pack 100 should meet the Type-C general communication protocol and proprietary protocol.
- the access device when the access device is a charging device, it can be a gallium nitride charger; when the access device is a discharge device, it can be various electric tools and garden tools, or it can be mobile phones, notebooks, Bluetooth speakers and other electrical equipment.
- the wireless interface 114 adopts a WPC coil (Wireless Power Consortium, Wireless Charging Consortium), which meets the international wireless charging standard Qi, and can charge/discharge the access device equipped with a wireless interface.
- WPC coil Wireless Power Consortium, Wireless Charging Consortium
- the battery pack 100 in this embodiment can also include a power supply terminal 132, and the control system is also used to detect the device type of the device connected to the power supply terminal 132, and according to the device type, the battery pack 100 can be connected to the battery pack 100 through the power supply terminal 132 Perform charge/discharge.
- the power supply terminal 132 is a commonly used connection port in garden tools, and there are various types to choose from.
- its pins include: P+, CHG, COM, and P ⁇ .
- the present embodiment includes a Type-C interface 122 and/or a power supply terminal 132.
- a plurality of Type-C interfaces 122 can be set as required, and charging and discharging can be accelerated by adjusting the charging or discharging power. The speed is convenient for users to use.
- the control system includes: a detection module 170 , a control module 180 , a voltage regulation module 160 and a wireless voltage regulation module 140 .
- the detection module 170 is used to obtain the battery parameters of the cell assembly 120 in real time, and is also used to obtain the circuit parameters of the Type-C loop and the wireless loop in real time; wherein, the battery parameters include the voltage, current and temperature of the cell assembly 120; the loop parameters Including loop voltage, loop current, power device temperature and input/output voltage.
- Type-C loop is the relevant circuit from the Type-C interface 122 to the cell assembly 120 inside the battery pack 100, and the Type-C loop in this embodiment includes the Type-C interface 122, the detection module 170, and the control module 180 , the voltage regulating module 160 and the cell assembly 120 .
- the wireless loop is the relevant circuit from the wireless interface 114 to the cell assembly 120 inside the battery pack 100.
- the Type-C loop in this embodiment includes the wireless interface 114, the detection module 170, the control module 180, the wireless voltage regulation module 140 and the cell assembly. Component 120.
- the control module 180 is used to judge the device type of the connected device according to the interface signal of the Type-C interface 122; it is also used to receive the key signal of the wireless charging and discharging button, and judge the device type of the connected device on the wireless interface 114 according to the key signal ; It is also used to output control signals to the voltage regulation module 160 and the wireless voltage regulation module 140 according to the device type, battery parameters and circuit parameters.
- data interaction between the detection module 170 and the control module 180 is realized through the I2C bus.
- the voltage regulating module 160 is connected in series between the cell assembly 120 and the Type-C interface 122, and its control terminal is electrically connected to the control module 180, and is used to adjust the input of the cell assembly 120 according to the control signal of the control module 180 /The output voltage.
- the wireless voltage regulation module 140 is connected in series between the cell assembly 120 and the wireless interface 114, and its control terminal is electrically connected to the control module 180, and is used to adjust the input/output of the cell assembly 120 according to the control signal of the control module 180.
- the output voltage is used to adjust the input/output of the cell assembly 120 according to the control signal of the control module 180.
- control module 180 includes: a first control unit 1801 and a second control unit 1802 .
- the first control unit 1801 is used to obtain the status of the battery pack according to the battery parameters and transmit it to the second control unit 1802; it is also used to receive the key signal of the wireless charging and discharging key, and judge the device connected to the device on the wireless interface 114 according to the key signal Type, for the convenience of description, the device type of the access device on the wireless interface 114 is recorded as the wireless device type;
- the first control unit 1801 is also configured to output a control signal to the wireless voltage regulating module 140 according to the type of the wireless device, the state of the battery pack and the circuit parameters.
- the second control unit 1802 is configured to determine the type of the access device according to the interface signal of the Type-C interface 122.
- the device type of the access device on the Type-C interface 122 is recorded as the Type-C device type;
- the second control unit 1802 is also configured to output a control signal to the voltage regulation module 160 according to the Type-C device type, battery pack status and circuit parameters.
- the parameter range of the cell assembly 120 can be preset according to the needs of use, and the state of the battery pack can be judged according to the parameter range.
- the state of the battery pack in this embodiment includes abnormal, Normal, charging protection and discharging protection, in practical application, users can also subdivide according to needs.
- the state of the battery pack is abnormal, and charging/discharging is not allowed;
- the state of the battery pack is normal, and charging/discharging can be performed;
- the state of the battery pack is charging protection and is only used for charging
- the state of the battery pack is discharge protection, which is only used for discharge
- the voltage values of the first threshold, the second threshold, the third threshold and the fourth threshold increase sequentially.
- the first threshold, the second threshold, the third threshold and the fourth threshold are all preset values, which can be determined according to the index parameters of the battery pack 100, and the index parameters generally include capacity, voltage, charging voltage, charging current, discharge The voltage and discharge current can be set by the user according to the needs, and this program does not limit the specific values.
- the first control unit 1801 can communicate with the second control unit 1802 through various communication methods, wherein the communication methods include I2C bus communication, UART serial port communication and SPI communication.
- the communication methods include I2C bus communication, UART serial port communication and SPI communication.
- select 4 groups of I/O ports among the multiple I/O ports of the first control unit 1801 and the second control unit 1802 to realize data interaction and the specific communication protocol is described as follows :
- first pin and the second pin of the first control unit 1801 as the first sending end, the third pin and the fourth pin as the first receiving end; define the first pin and the second pin of the second control unit 1802 The second pin is the second receiving end, the third pin and the fourth pin are the second sending end; and the high level output by the first control unit 1801 and/or the second control unit 1802 is defined as 1, and the low level Defined as 0.
- the first control unit 1801 obtains the status of the battery pack according to the battery parameters, and transmits the status to the second control unit 1802 through the high and low levels of each pin, and the second control unit 1802 performs the battery pack 100 through the Type-C interface 122 according to the status of the battery pack. Discharge.
- the parameter corresponding to the state of the battery pack is denoted as OVP.
- the second control unit 1802 performs universal protocol matching with the access device on the Type-C interface 122, judges whether the access device is a charging device or a discharge device, and transmits to the first control unit 1801 through the high and low levels of each pin.
- the battery pack 100 is in a charging protection state and is only used for charging;
- the battery pack 100 is in a discharge protection state and is only used for discharging.
- any Type-C interface 122 is connected to an access device equipped with a Type-C interface 122, and communicates with the second control unit 1802 to shake hands After success, the second control unit 1802 can perform data interaction with the first control unit 1801 .
- control system detects battery parameters and circuit parameters in real time during the charging/discharging process, executes charging/discharging protection logic according to the battery parameters and circuit parameters, and dynamically adjusts the input/output power, thereby realizing the safety and security of the battery pack 100. Fast charge/discharge function.
- the voltage regulation module 160 includes: a full-bridge drive unit 1601 and a full-bridge power unit 1602 .
- the full-bridge driving unit 1601 is configured to output a driving signal to the full-bridge power unit 1602 according to the control signal of the second control unit 1802; wherein, the control signal of the second control unit 1802 is a PWM signal.
- a full-bridge power unit 1602 which is connected in series between the Type-C interface 122 and the cell assembly 120, and whose control terminal is connected to the full-bridge drive unit 1601, for adjusting the input/output voltage of the cell assembly 120 according to the driving signal .
- the full-bridge driving unit 1601 can output a driving signal to the full-bridge power unit 1602 according to the control signal, so as to adjust the input/output voltage of the cell assembly 120 through the full-bridge power unit 1602 .
- the detection module 170 includes: a first detection unit 1701 and a second detection unit 1702 .
- the first detection unit 1701 is used to obtain battery parameters in real time and transmit them to the first control unit 1801;
- the second detection unit 1702 is used to obtain the loop parameters in real time and transmit them to the second control unit 1802 , and the second control unit 1802 transmits the loop parameters to the first control unit 1801 for use by the first control unit 1801 .
- the wireless voltage regulation module 140 includes:
- Coil switching unit 1401 one end of which is wirelessly connected to wireless interface 114, the other end is electrically connected to wireless boost sub-module 1402 and wireless step-down sub-module 1403, and its control end is electrically connected to first control unit 1801, for The control signal switching loop of the first control unit 1801;
- the wireless boost sub-module 1402 is connected in series between the coil switching unit 1401 and the cell assembly 120 , and is used to boost the received voltage to the voltage required for charging the cell assembly 120 according to the control signal of the first control unit 1801 .
- the wireless boost sub-module 1402 specifically includes: a wireless energy receiving control unit, a wireless charging protection unit and a boost unit;
- the wireless energy receiving control unit communicates with the access device on the wireless interface 114 and receives energy according to the international wireless charging standard Qi;
- the wireless charging protection unit is connected in series between the wireless energy receiving control unit and the booster unit, and its control terminal is connected to the first control unit 1801, and is used to control the closing or closing of the wireless loop according to the control signal of the first control unit 1801. disconnect;
- the boost unit is connected in series between the wireless charging protection unit and the battery cell assembly 120, and boosts the received voltage to the voltage required for charging the battery cell assembly 120.
- the wireless step-down sub-module 1403 is connected in series between the coil switching unit 1401 and the cell assembly 120 , and is used to step down the voltage of the cell assembly 120 to the output voltage of the wireless interface 114 according to the control signal of the first control unit 1801 .
- the wireless step-down sub-module 1403 specifically includes: a wireless energy transmission control unit, a wireless discharge protection unit and a step-down unit;
- the wireless energy transmission control unit communicates with the access device on the wireless interface 114 and transmits energy according to the international wireless charging standard Qi;
- the wireless discharge protection unit is connected in series between the wireless energy transmission control unit and the step-down unit, and its control terminal is connected to the first control unit 1801, and is used to control the closing or closing of the wireless loop according to the control signal of the first control unit 1801. disconnect;
- the step-down unit is connected in series between the wireless discharge protection unit and the cell assembly 120 , and steps down the voltage of the cell assembly 120 to the output voltage of the wireless interface 114 .
- control system further includes: an activation unit 110 .
- the activation unit 110 is used to activate the first control unit 1801 according to the activation signal; the activation signal is obtained through any one or several of the connection status of the Type-C interface 122, pressing the activation button or pressing the wireless charging and discharging button; it should be understood that the battery
- the battery pack 100 is provided with an activation button for controlling the on-off of the power supply circuit.
- a pull-up or pull-down activation signal can be generated; the battery pack 100 is also provided with a wireless charging and discharging button, and the wireless charging and discharging button After being pressed, a pull-up or pull-down activation signal can be generated, and the first control unit 1801 can also judge the wireless device type of the wireless interface 114 according to the key signal of the wireless charging and discharging key.
- the first control unit 1801 is further configured to detect the state of the battery pack after being activated, and activate the second control unit 1802 if the state of the battery pack is not abnormal.
- the battery pack 100 is in a dormant state when there is no activation signal, and at this time both the first control unit 1801 and the second control unit 1802 are powered off; when the activation signal is received, the first control unit 1801 first detects the state of the battery pack , if the state of the battery pack is normal, the second control unit 1802 is activated; otherwise, the charging/discharging process is stopped, which not only saves electric energy, but also prevents damage to the cell assembly 120 .
- the first control unit 1801 can also output a control signal to the second control unit 1802 to make it power off, and the first control unit 1801 powers off itself after a delay of a certain period of time, thereby saving electric energy .
- the control system also includes a Type-C communication unit 192, which is connected in series between the second control unit 1802 and the Type-C interface 122, and the second control unit 1802 can communicate with the Type-C interface through the Type-C communication unit 192
- the access device on 122 is connected by communication, so as to obtain the interface signal through the Type-C interface 122.
- the interface signal includes the device type of the access device, charging request, discharging request, charging voltage and discharging voltage.
- control system further includes: a Type-C protection unit 152 .
- Type-C protection unit 152 which is connected in series between the full bridge power unit 1602 and the Type-C interface 122, and its control terminal is connected to the second control unit 1802 for charging according to the protection instructions of the second control unit 1802 /discharge protection;
- the second control unit 1802 is also configured to output protection instructions to the Type-C protection unit 152 according to the state of the battery pack and circuit parameters.
- control system when the battery pack 100 also includes a power supply terminal 132, the control system also includes:
- a terminal protection unit 151 which is connected in series between the power supply terminal 132 and the cell assembly 120, and whose control terminal is connected to the first control unit 1801, for charging/discharging protection according to the protection instruction of the first control unit 1801;
- the first control unit 1801 is further configured to output protection instructions to the terminal protection unit 151 according to battery parameters.
- control system when the battery pack 100 also includes the power supply terminal 132, the control system also includes:
- the terminal communication unit 191 is connected in series between the power supply terminal 132 and the first control unit 1801 , and is used for communication connection between the first control unit 1801 and the access device on the power supply terminal 132 .
- the activation signal received by the activation unit 110 can be through the connection status of the Type-C interface 122, the connection status of the power supply terminal 132, pressing the activation button or pressing the wireless charging and discharging button. Any one or several of them can be obtained.
- the second control unit 1802 is also configured to transmit the device type of the access device on the Type-C interface 122 to the first control unit 1801;
- the first control unit 1801 is also used to determine the device type of the connected device according to the interface signal of the power supply terminal 132.
- the device type of the connected device on the power supply terminal 132 is recorded as the terminal device type; and according to the terminal device type
- the battery pack 100 is charged/discharged according to the working conditions of the battery pack, specifically:
- the first control unit 1801 After the first control unit 1801 receives the device type of the connected device on the Type-C interface 122, if it is a charging device, then judge whether the second control unit 1802 has received the charging request sent by the charging device, if the charging request is received, the first The control unit 1801 judges the working condition of the battery pack. If the working condition of the battery pack is the non-discharging mode, it judges whether the battery pack 100 needs to be charged according to the state of the battery pack.
- the second control unit 1802 controls the charging of the battery pack 100; discharge device, then judge whether the second control unit 1802 has received the discharge request sent by the discharge device; if the discharge request is received, the first control unit 1801 will judge the working condition of the battery pack; The state of the battery pack determines whether it can be discharged, and if so, the second control unit 1802 controls the battery pack 100 to discharge.
- the first control unit 1801 judges the device type of the device connected to the power supply terminal 132. If it is a charging device, it judges whether a charging request sent by the charging device is received. If a charging request is received, it judges the working condition of the battery pack. If the working condition is non-discharging mode, then judge whether the battery pack 100 needs to be charged according to the state of the battery pack, and if so, charge the battery pack 100; if it is a discharge device, then judge whether the discharge request sent by the discharge device is received, and if received When a discharge request is received, the working condition of the battery pack is judged. If the working condition of the battery pack is non-charging mode, it is judged according to the state of the battery pack whether it can be discharged, and if so, the battery pack 100 is discharged.
- the working conditions of the battery pack include charging mode, discharging mode and idle mode, specifically:
- the first control unit 1801 sets the working condition of the battery pack to the charging mode when the battery pack 100 starts charging through the Type-C interface 122 and/or the power supply terminal 132 and/or the wireless interface 114;
- the first control unit 1801 sets the working condition of the battery pack to discharge mode when the battery pack 100 starts to discharge through the Type-C interface 122 and/or the power supply terminal 132 and/or the wireless interface 114;
- the first control unit 1801 sets the working condition of the battery pack to idle mode when there is no access device on the Type-C interface 122 or the power supply terminal 132 and/or the wireless interface 114 .
- the first control unit 1801 when there is an access device on the power supply terminal 132 or the wireless interface 114, but no access device is detected on the Type-C interface 122, the first control unit 1801 also outputs a control signal to the second control unit 1802, so that It sleeps to save power; when the first control unit 1801 receives the activation signal again and the state of the battery pack is not abnormal, the second control unit 1802 is activated again.
- the first control unit and the second control unit in the above embodiment are usually the central processing unit (Central Processing Unit, CPU) of the entire microcomputer digital display sensor processor system, and can be configured with a corresponding operating system, And control interface, etc., specifically, it can be a single-chip microcomputer, DSP (Digital Signal Processing, digital signal processing), ARM (Advanced RISCMachines, ARM processor) and other digital logic processors that can be used for automatic control, and control instructions can be loaded at any time It can be stored and executed in the memory.
- DSP Digital Signal Processing, digital signal processing
- ARM Advanced RISCMachines, ARM processor
- CPU instructions and data memory, input and output units, power modules, digital simulation and other units can be built in.
- the specific settings can be set according to the actual usage. This solution does not limit this.
- the control system in the above embodiment is applied to the battery pack 100 that uses the Type-C interface 122, the wireless interface 114 or the power supply terminal 132 for charging/discharging, supports the USB PD fast charging protocol and the international wireless charging standard Qi, and can real-time Detect the device type of the device connected to the Type-C interface 122, wireless interface 114 or power supply terminal 132, and charge/discharge the battery pack 100 according to the device type, not only through the Type-C interface 122, wireless interface 114 or power supply terminal 132 It can perform fast charging, and can also quickly discharge the access equipment with Type-C interface 122, wireless interface 114 or power supply terminal 132, and the charging/discharging power can be adjusted according to the access equipment within a certain range, which is suitable for a variety of different Voltage access equipment is convenient for users; and during the charging/discharging process, the technical parameters of the battery pack 100 are detected in real time, and the charging/discharging protection logic is executed according to the technical parameters, and the input/out
- FIG. 39 another embodiment of the present invention discloses a charging and discharging control method, which is applied to a battery pack 100 that uses a Type-C interface 122 and/or a wireless interface 114 for charging/discharging.
- the control method includes :
- the device type includes a charging device and a discharging device.
- control method also includes:
- Detect the state of the battery pack if the state of the battery pack is non-abnormal, then judge whether there is an access device on the Type-C interface 122 and/or the wireless interface 114; wherein, the state of the battery pack is obtained by judging the battery parameters in real time, and the battery parameters include battery The voltage, current and temperature of the core assembly 120.
- the battery pack 100 is in a dormant state when there is no activation signal, and only after receiving the activation signal and the state of the battery pack is not abnormal, the charging or discharging process starts, which not only saves electric energy, but also prevents damage to the battery pack. core assembly 120 .
- a communication handshake is performed with the access device.
- the steps of detecting the device type of the access device on the Type-C interface 122 include:
- Communication handshake with the access device If the handshake is successful, the type of communication handshake is judged. If the type of communication handshake is charging handshake, it is a charging device; if the type of communication handshake is discharge handshake, it is a discharge device.
- the steps of charging/discharging the battery pack 100 according to the device type include:
- the device type is a charging device, judge whether a charging request from the charging device is received. If a charging request is received, judge whether charging is required based on the status of the battery pack. If necessary, set the working condition of the battery pack to charging mode. Pack 100 to charge and execute charging protection logic;
- the device type is a discharge device, judge whether the discharge request from the discharge device is received. If the discharge request is received, judge whether it can be discharged according to the state of the battery pack. If yes, set the working condition of the battery pack to discharge mode. Pack 100 discharges and executes discharge protection logic.
- the wireless interface 114 If it is detected that there is an access device on the wireless interface 114, it is determined whether it is a charging device or a discharging device according to the key signal of the wireless charging and discharging button.
- the steps of charging/discharging the battery pack 100 according to the device type include:
- a charging device If a charging device is connected to the Type-C interface 122, it is judged whether the charging request sent by the charging device is received, and if so, it is judged whether charging is required according to the state of the battery pack, and if necessary, the battery pack 100 is charged and charging protection is performed logic;
- a discharge device If a discharge device is connected to the Type-C interface 122, it is judged whether the discharge request sent by the discharge device is received, if received, it is judged whether it can be discharged according to the state of the battery pack, if yes, the battery pack 100 is discharged and discharge protection is performed logic.
- the status of the battery pack should be detected first, and charging is allowed only when it is non-abnormal; when a discharge request is received, the status of the battery pack should be detected first, and discharge is allowed only when it is normal. Avoid damage to the cell assembly 120 caused by overcharging or undervoltage, affecting its service life.
- the steps of the wireless charging protection logic include:
- the wireless discharge protection logic includes:
- the steps of the charging protection logic include:
- the circuit parameters include circuit voltage, circuit current, power device temperature and input/output voltage;
- the steps of the charging protection logic also include:
- the status of the battery pack is monitored in real time; if the status of the battery pack is abnormal, the charging is stopped.
- the steps of the discharge protection logic include:
- the circuit parameters include circuit voltage, circuit current, power device temperature and input/output voltage;
- the steps of the discharge protection logic also include:
- the status of the battery pack is monitored in real time; if the status of the battery pack is abnormal, the discharge is stopped.
- the parameter range can be set according to the use needs during the charging/discharging process.
- the charging parameter or discharging parameter exceeds the preset parameter range, it is considered abnormal, and the charging/discharging can be performed according to the preset logic.
- the discharge voltage and the charging/discharging current are dynamically adjusted, and the number of adjustments can be one or more times, and the specific number of times can be set according to needs, and in this embodiment, it is 5 times.
- both the maximum charging value and the minimum discharging value are preset values, which can be determined according to the index parameters of the battery pack 100, and the index parameters generally include capacity, voltage, charging voltage, charging current, discharging voltage, and discharging current; in this embodiment
- control method when the battery pack 100 also includes the power supply terminal 132, the control method includes:
- control method also includes:
- a communication handshake is performed with the access device, and if no access device is detected, the working condition of the battery pack is set to idle mode.
- the step of detecting the device type of the connected device on the power supply terminal 132 includes:
- Communication handshake with the access device If the handshake is successful, the type of communication handshake is judged. If the type of communication handshake is charging handshake, it is a charging device; if the type of communication handshake is discharge handshake, it is a discharge device.
- the steps of charging/discharging the battery pack 100 include:
- the charging device If it is a charging device, it is judged whether the charging request sent by the charging device is received, and if so, it is judged according to the state of the battery pack whether the battery pack 100 needs to be charged, and if necessary, the battery pack 100 is charged through the power supply terminal 132;
- the discharge device If it is a discharge device, it is judged whether the discharge request sent by the discharge device is received, and if so, it is judged whether it can be discharged according to the state of the battery pack, and if so, the battery pack 100 is discharged through the or power supply terminal 132 .
- a battery pack 100 including a charge and discharge control system, a cell assembly 120, and at least one Type-C interface 122;
- the charging and discharging control system is connected in series between the Type-C interface 122 and the battery cell assembly 120, and the Type-C interface 122 is detachably connected to an access device, and the charging and discharging control system is passed according to the type of the access device.
- the Type-C interface 122 charges/discharges the battery pack 100 .
- the battery pack 100 in this embodiment can also include a power supply terminal 132, a plurality of Type-C interfaces 122 and a wireless interface 114, and one end of the control system for charging and discharging is connected to each Type-C interface 122, power supply terminals 132 and wireless interfaces. Interface 114 is connected, and the other end is connected to the cell assembly 120.
- Each Type-C interface 122 and/or power supply terminal 132 and/or wireless interface 114 is detachably connected to an access device, and the charging and discharging control system is based on the access device.
- the battery pack 100 is charged/discharged through each Type-C interface 122 and/or the power supply terminal 132 and/or the wireless interface 114 .
- the two Type-C interfaces where the charger 200 and the battery pack 100 are connected are male and female, which is convenient for users to connect; in addition, the above-mentioned battery pack 100 and charger 200 may also include a power supply terminal 132 and an insert 23, The charger 200 can also charge the battery pack 100 through the insertion piece 23 , and correspondingly, the power supply terminal 132 and the insertion piece 23 electrically connected to each other are also matched male and female connectors.
- the charging and discharging control method in the above embodiment is applied to the battery pack 100 that uses the Type-C interface 122 and/or the power supply terminal 132 and/or the wireless interface 114 for charging/discharging, supports the USB PD fast charging protocol, and can Real-time detection of the device type of the connected device on the Type-C interface 122 and/or power supply terminal 132 and/or wireless interface 114, and charge/discharge the battery pack 100 according to the device type, not only through the Type-C interface 122 and/or
- the power supply terminal 132 and/or the wireless interface 114 perform fast charging, and can also perform fast discharge for the access device with the Type-C interface 122 and/or the power supply terminal 132 and/or the wireless interface 114, and the charging/discharging power can be within a certain range.
- the range is adjusted according to the access equipment, which is suitable for a variety of access equipment with different voltages, which is convenient for users to use; and during the charging/discharging process, the technical parameters of the battery pack 100 are detected in real time, and the charging/discharging protection is performed according to the technical parameters
- the logic can dynamically adjust the input/output power, which can effectively protect the safety of the battery pack 100 and prolong the service life of the battery pack 100.
- the above charging and discharging control method can not only charge the battery pack 100 simultaneously through one or more of the Type-C interface 122, the wireless interface 114 or the power supply terminal 132, but also can charge the battery pack 100 through the Type-C interface 122, the wireless interface 114 or One or more of the power supply terminals 132 discharges the battery pack 100 at the same time, and can also discharge while the battery pack 100 is being charged, and vice versa.
- the following is an example of charging through the wireless interface 114 and discharging through the Type-C interface 122 at the same time illustrate:
- the Type-C interface 122 communicates with the access device to shake hands, determine whether it is a charging device or a discharge device, if it is a discharge device, determine whether a discharge request is received, and determine whether it can be discharged according to the state of the battery pack , if possible, the battery pack 100 is discharged, and the charging and discharging protection logic is executed at the same time.
- the steps of charge and discharge protection logic include:
- the access status of the access device is also detected in real time, and if the access status changes, the corresponding protection logic is adjusted.
- the charging and discharging control method in the above embodiment is applied to the battery pack 100 that uses the Type-C interface 122, the wireless interface 114 or the power supply terminal 132 for charging/discharging, and supports the USB PD fast charging protocol and the international wireless charging standard Qi , can detect the device type of the connected device on the Type-C interface 122, the wireless interface 114 or the power supply terminal 132 in real time, and charge/discharge the battery pack 100 according to the device type, not only through the Type-C interface 122, the wireless interface 114 or The power supply terminal 132 can perform fast charging, and can also quickly discharge the access equipment with the Type-C interface 122, wireless interface 114 or power supply terminal 132, and the charging/discharging power can be adjusted according to the access equipment within a certain range, which is suitable for A variety of access devices with different voltages are convenient for users to use; and during the charging/discharging process, the technical parameters of the battery pack 100 are detected in real time, and the charging/discharging protection logic is executed
- a battery pack 100 including a charging and discharging control system, a cell assembly 120, a wireless interface 114 and at least one Type-C interface 122;
- One end of the control system is electrically connected to the cell assembly 120, and the other end is electrically connected to the wireless interface 114 and each Type-C interface 122 respectively; the Type-C interface 122 and/or the wireless interface 114 are detachably connected to an access device, and the control system The system charges/discharges the battery pack 100 according to the device type of the connected device.
- Type-C interfaces 122 of the battery pack 100 there may be multiple Type-C interfaces 122 of the battery pack 100 in this embodiment, and by adjusting the charging or discharging power, the charging and discharging speed can be accelerated, which is convenient for users.
- the battery pack 100 in this embodiment may further include a power supply terminal 132, and an access device is detachably connected to the power supply terminal 132, and the control system charges/discharges the battery pack 100 according to the type of the access device.
- the battery pack 100 in this embodiment supports the USB PD fast charging protocol and the international wireless charging standard Qi, and can detect in real time the type of device connected to the device on the Type-C interface 122, the wireless interface 114 or the power supply terminal 132.
- Type to charge/discharge the battery pack 100 not only can fast charge through the Type-C interface 122, wireless interface 114 or power supply terminal 132, but also can provide the access
- the device performs rapid discharge, and the charging/discharging power can be adjusted according to the access device within a certain range, which is suitable for a variety of access devices with different voltages, which is convenient for users to use; and during the charging/discharging process, real-time detection of the battery pack 100
- the charging/discharging protection logic is executed according to the technical parameters, and the input/output power is dynamically adjusted, which can effectively protect the safety of the battery pack 100 and prolong the service life of the battery pack 100.
- the present invention can also charge the battery pack by connecting multiple chargers to improve charging efficiency.
- the battery pack is connected to the charger through Type-C, and the activation signal can activate the battery pack.
- the first control unit 1801 After the first control unit 1801 completes power-on and initialization, it starts to detect the battery status. Except for abnormal conditions, the first control unit 1801 will turn on the Type-C circuit, and set the value of OVP according to the state of the battery pack; after that, the second control unit 1802 self-calibrates and powers on, and after the second control unit 1802 is powered on, it will judge whether there is a device connected according to the signal of the Type-C port; when the second control unit 1802 When the unit 1802 judges that any Type-C port has a charging device connected, the first control unit 1801 and the second control unit 1802 will perform data interaction, and the second control unit 1802 will tell the first control unit 1801 that a charger is connected , the first control unit 1801 executes the charging protection logic; and during the entire charging process, the first control unit 1801 will monitor the state of the battery in real time and maintain communication with the first control unit
- the present invention also proposes a system, including a first electric tool, a second electric tool and the battery pack in the above embodiment, the first electric tool has a first rated voltage, and a plurality of The first tool Type-C interface; the second electric tool has a second rated voltage, and the second electric tool is provided with a plurality of second tool Type-C interfaces; when the battery pack is installed on the first electric tool, The Type-C interfaces on the multiple battery packs are connected to the multiple first tool Type-C interfaces, and the battery packs output energy to the first electric tool; when the battery pack is installed on the second electric tool, the The Type-C interfaces on the plurality of battery packs are connected to the Type-C interfaces of the plurality of second tools, the battery packs output energy to the second electric tools, and the first rated power of the first electric tools The voltage is different than a second rated voltage of the second power tool.
- the battery pack can also provide power for mobile phones, notebook computers, wearable smart devices, etc. through the Type-C interface
- a plurality of Type-C interfaces are provided on the battery pack casing, so that the electrical connection between the Type-C interface and the circuit board can be used to realize the electrical connection between the battery pack 120 and the Type-C interface.
- Sexual connection provides the possibility of power supply for mobile phones, notebooks, digital cameras and other electronic products. At the same time, it can also charge the battery pack by connecting multiple chargers to improve charging efficiency.
- this embodiment introduces a power supply system.
- the power supply system includes a mutually adapted electric tool 30 and a battery pack 100.
- the battery pack 100 is used to supply power to the electric tool 30.
- the electric tool 30 Includes, but is not limited to, lawn trimmers, hair dryers, trimmers, chainsaws, lawn pushers, washers, vacuum cleaners, smart lawn mowers, smart cleaning devices, and ride-on lawn mowers.
- the battery pack 100 is provided with a Type-C interface (defined as the first Type-C interface 122), and the electric tool 30 is provided with a single Type-C interface corresponding to the battery pack 100 (defined as the second Type-C interface 34) , the battery pack 100 can output a rated voltage to the electric tool 30 through the first Type-C interface 122 .
- the above-mentioned Type-C interface 122 is an electrical connector capable of discharging, and the output voltage of the Type-C interface 122 is, for example, 5-20V, preferably 5V, 9V, 12V, 15V, 20V; output
- the current is, for example, 1-5A, preferably 1A, 2A, 3A, 4A, 5A;
- the output power is, for example, 15-100W, preferably 15W, 18W, 30W, 45W, 60W, 100W.
- the output voltage of the Type-C interface 122 can also be any value less than 5V or greater than 20V
- the output current can also be any value less than 1A or greater than 5A
- the output power can also be Any value less than 15W and greater than 100W.
- the electric tool 30 includes a tool body 31 with functional modules, a handle 32 disposed on one side of the tool body 31, and a handle 32 disposed at an end of the handle 32 away from the tool body 31.
- the top of the above-mentioned battery pack 100 is provided with a plug-in portion 1101 that matches the battery socket 331, and the plug-in portion 1101 of the battery pack 100 connects from one end of the opening of the battery socket 331 (that is, the insertion end). Insert into the battery socket 331, and the battery socket 331 at least partially wraps the socket part 1101, preventing the socket part 1101 of the battery pack 100 from coming out of the battery socket 331 from the position other than the opening of the battery socket 331, so as to ensure that the battery Pack of 100's of solidity.
- the first Type-C interface 122 When the electric tool 30 is connected to the battery pack 100 through the slide rail 1102, the first Type-C interface 122 is electrically connected to the second Type-C interface 34 of the external electric tool 30, and the battery pack 100 can be connected through the first Type-C
- the interface 122 outputs a rated voltage to the electric tool 30 to supply power to the functional modules of the electric tool 30 to realize corresponding functions of the electric tool 30 .
- first Type-C interface 122 and the second Type-C interface 34 are USB standard interfaces, and the interface type is a double-sided model that can adapt to front and back insertion, and supports the USB PD fast charging protocol (USB Power Delivery Specification , USB fast charging standard), the first Type-C interface 122 and the second Type-C interface 34 pins can include VBUS, CC, D+, D-, GND.
- a guide groove 332 is provided on the side wall of the battery socket 331 of the above-mentioned base 33, and the guide groove 322 can be, for example, an L-shaped groove.
- the side wall of 1101 is provided with a slide rail 1102 that matches the guide groove 332.
- the top of the battery pack 100 is provided with a limiter 111
- the limiter 111 includes a limiter main body, and integrally formed limiter columns 1112 and limiter pressing parts arranged at both ends of the limiter body 1111.
- a limit card slot 333 corresponding to the limit post 1112 of the limit member 111 is provided on the bottom of the battery socket 331 of the base 33 near the insertion end.
- the top of the battery pack 100 is provided with a limit installation groove 112 and an installation groove cover 1121 for covering the limit installation groove 112.
- the limit installation groove 112 is used to install the limit member 111
- the installation groove cover 1121 covers the limit installation groove 112
- the installation groove cover 1121 has a first opening at the position corresponding to the limit column 1112 and the limit pressing part 1111 1122 and the second opening 1123, the limiting column 1112 and the limiting pressing part 1111 are exposed from the first opening 1122 and the second opening 1123, and the limiting column 1112 needs to be inserted into the base 33 after the battery pack 100 is disassembled It can protrude from the surface of the installation slot cover 1121 under the action of the elastic element.
- a limit installation protrusion 1124 is provided in the middle of the limit installation groove 112, and a limit installation protrusion 1124 is provided in the middle of the limit main body of the limit member 111.
- the limit member 111 is sleeved on the limit installation protrusion 1124 through the limit through hole 1115, and the limit installation protrusion 1124 can play a certain guiding role.
- An elastic element (not shown) is also provided between the limiting member 111 and the bottom surface of the limiting installation groove 112, and the elastic element can reset the limiting member 111 when the battery pack 100 is removed or plugged into the base 33, thereby Make the limiting column 1112 and the limiting pressing part 1111 protrude from the first opening 1122 and the second opening 1123 respectively, and when the battery pack 100 is inserted into the base 33, the limiting column 1112 of the limiting member 111 is inserted into the base 33
- the limit card slot 333 in the stopper acts as a limiter to prevent the battery pack 100 from sliding out of the base 33 along the first direction, and when the battery pack 100 is released, the limit pressing part 1111 and the limit post 1112 need only be pressed down.
- the limit post 1112 escapes from the limit card slot 333, and then the battery pack 100 can be removed from the base along the opposite direction of insertion. 33 to move out.
- two elastic elements may be included, one is arranged between the limit post 1112 and the bottom surface of the limit installation groove 112, the other is arranged between the limit pressing part 1111 and the bottom surface of the limit installation groove 112, and A structure for installing the elastic element is provided at the position corresponding to the elastic element on the limiting post 1112 , the bottom surface of the limiting installation groove 112 and the limiting pressing portion 1111 .
- Figure 54 shows the discharge control circuit of the battery pack 100 of this embodiment
- the discharge control circuit can be integrated on the circuit board 13 of the battery pack 100, and the discharge control circuit is used as the Type-C management circuit of the first Type-C interface 122 .
- the discharge control circuit is connected in series between the first Type-C interface 122 and the cell assembly 120 of the battery pack 100, and the discharge control circuit is used to control the output of the cell assembly 120 to the electric tool 30 through the first Type-C interface 122.
- rated voltage and the discharge control circuit can automatically adapt to the rated voltage of the electric tool 30, that is, the battery pack 100 of this embodiment can be adapted to electric tools 30 with different rated voltages, and the battery pack 100 and multiple electric tools with different rated voltages
- the tools 30 collectively form a tool system.
- the discharge control circuit can also be used as the charge control circuit of the battery pack 100 .
- the discharge control circuit includes the detection unit 170, the main control unit 1801, the first full-bridge power unit 1602 (full-bridge power unit 1), the full-bridge drive unit 1601, and the first Type-C charging unit in the above-mentioned embodiment.
- Discharge protection unit 152 Type-C protection unit 1
- Type-C communication processing unit 192 Type-C communication unit
- activation unit 110 keys.
- a first full bridge drive unit 1601 and a first Type-C charge and discharge protection unit 152 are sequentially connected in series between the cell assembly 120 and the first Type-C interface 122, and the main control unit 1801 is connected with the full bridge drive unit 1601, detection The unit 170, the activation unit 110, the first Type-C charge and discharge protection unit 152 and the Type-C communication processing unit 192 are connected, the first full-bridge power unit 1602 is connected to the full-bridge drive unit 1601, and the Type-C communication processing unit 192 also They are respectively connected to the activation unit 110 and the first Type-C interface 122 , and the key is connected to the activation unit 110 .
- the detection unit 170 is used to obtain the battery parameters of the battery cell and the circuit parameters of the Type-C loop (the relevant circuit from the first Type-C interface 122 to the battery pack inside the battery pack) in real time, and transmit the detection result to
- the main control unit 1801 wherein the battery parameters include the cell voltage, current and temperature in the cell assembly 120, etc., and the circuit parameters of the Type-C circuit include the input/output voltage of the Type-C circuit, the circuit current, and the temperature of the power device
- the main control unit 1801 is used to receive the data information of the detection unit 170, and after analysis, it will issue a Type-C circuit charge and discharge protection instruction, execute a power-off sleep operation instruction, and related instructions of the main control unit 1801; the first full bridge power The unit 1602 and the full-bridge drive unit 1601 together form a buck-boost module of the Type-C circuit, and the main control unit 1801 communicates with the external electric tool 30 of the first Type-C interface 122 through the CC signal to determine the input
- the main control unit 1801 in this embodiment is the central processing unit (Central Processing Unit, CPU) of the microcomputer digital display sensor processor system, and can be configured with a corresponding operating system and control interface.
- CPU Central Processing Unit
- It can be a single-chip microcomputer, DSP (Digital Signal Processing, digital signal processing), ARM (Advanced RISC Machines, ARM processor) and other digital logic processors that can be used for automatic control, and can load control instructions into memory at any time for storage and execution.
- DSP Digital Signal Processing, digital signal processing
- ARM Advanced RISC Machines, ARM processor
- CPU instructions and data memory, input and output units, power supply modules, digital simulation and other units can be built in, which can be set according to actual usage conditions, and this solution does not limit this.
- the Type-C interface will perform discharge protocol matching for discharge. Specifically, when the battery pack 100 is connected to the second Type-C interface 34 of the electric tool 30 through the first Type-C interface 122, the battery pack 100 is activated through the CC signal, and the main control unit 1801 completes power-on initialization, and the battery pack 100 and The electric tool 30 performs a discharge handshake. If the handshake is successful, the electric tool 30 sends a discharge request signal, and the battery pack 100 enters a discharge mode, wherein the discharge request signal includes the rated voltage of the electric tool 30 .
- the main control unit 1801 When using the first Type-C interface 122 to discharge the battery pack 100, the main control unit 1801 will send a PWM control signal to the full-bridge drive unit 1601, and the full-bridge drive unit 1601 provides a suitable discharge voltage according to the PWM signal;
- the battery pack 100 is provided with two or more Type-C interfaces (Type-C interface 122), and the electric tool 30 is provided with two or more Type-C interfaces corresponding to the battery pack 100.
- -C interface the second Type-C interface 34
- the structures of the battery pack 100 and the electric tool 30 are basically the same as those of the above-mentioned embodiments, so the description will not be repeated.
- the above-mentioned battery pack 100 is provided with two Type-C interfaces 122 arranged in parallel, which are respectively provided at the insertion ends of the plug-in parts 1101 of the battery pack 100, and the two The Type-C interfaces 122 are arranged at intervals; the corresponding electric tool 30 is provided with two parallel-connected second Type-C interfaces 34 corresponding to the battery pack 100, and the two second Type-C interfaces 34 are arranged at intervals in the battery socket. The bottom end of the interface 331.
- each second Type-C interface 34 is electrically connected to a first Type-C interface 122, which can be through one of the two first Type-C interfaces 122 or Both output the rated voltage to the electric tool 30 at the same time, and discharge the electric tool 30 simultaneously through the two first Type-C interfaces 122 connected in parallel to increase the discharge power.
- the discharge control circuit of the above-mentioned battery pack 100 includes two Type-C management circuits, each Type-C management circuit corresponds to a first type-C interface, and each Type-C management circuit string is connected between a first Type-C Between the C interface 122 and the cell assembly 120 of the battery pack 100 , other functional units are basically the same, and the principle and functions will not be repeated here.
- the discharge control circuit can output the rated voltage to the electric tool 30 through one or both of the two first Type-C interfaces 122, and the discharge control circuit can automatically adapt the rated voltage of the electric tool 30, that is, the present embodiment
- the battery pack 100 can be adapted to electric tools 30 with different rated voltages, and the battery pack 100 and multiple electric tools 30 with different rated voltages together form a tool system. It can be understood that the discharge control circuit can also be used as the charge control circuit of the battery pack 100 .
- the battery pack of the present invention can discharge the electric tool through the first Type-C interface.
- the battery pack can automatically adjust the discharge voltage according to the rated voltage of the electric tool, so that it can be adapted to electric tools with different rated voltages.
- the battery pack of the present invention can simultaneously discharge the electric tool through two or parallel first Type-C interfaces, which can increase the discharge power.
- a power supply system is also proposed.
- the power supply system includes an electric tool 30 and a battery pack 100 adapted to each other.
- the battery pack 100 is used to supply power to the electric tool 30 .
- Tools 30 include, but are not limited to, lawn trimmers, hair dryers, trimmers, chain saws, lawn pushers, washers, vacuum cleaners, smart lawn mowers, smart cleaning devices, and ride-on lawn mowers.
- the battery pack 100 is provided with a Type-C interface 122 and a first power supply terminal 132, and the Type-C interface 122 and the power supply terminal 132 are both arranged at the insertion end of the insertion part 1101, and are electrically connected to the circuit board 13.
- the electric tool 30 is provided with a second Type-C interface 34 and a second power supply terminal 35 corresponding to the battery pack 100, the battery pack 100 can discharge the electric tool 30 through the first power supply terminal 132, and through the first Type-C
- the C interface 122 provides activation power and communication for the tool-side main control and MOS drive unit of the electric tool 30, and realizes the controllable control of the entire discharge process and the protection of the battery pack 100.
- the structure of the battery pack 100 and the electric tool 30 and the above-mentioned implementation The examples are basically the same, so the description will not be repeated.
- the first Type-C interface 122 can also only be used as a communication port, the battery pack 100 communicates through the tool-side main control of the first Type-C interface 122, and the battery pack 100 supplies power through the first Terminal 132 is used to provide power to the tool-side main control and MOS drive unit 362 . It can be understood that, in other embodiments, the first Type-C interface 122 may also be located at one side of the first power supply terminal 132 .
- the first Type-C interface 122 is electrically connected to the second Type-C interface 34 of the external electric tool 30, and the first power supply terminal 132 is connected to the second power supply terminal.
- the battery pack 100 can discharge the electric tool 30 through the first power supply terminal 132, so as to supply power to the functional modules of the electric tool 30 to realize the corresponding functions of the electric tool 30, and can also pass through the first Type-C when discharging.
- the interface 122 provides activation power and communication for the tool-side main control of the electric tool 30 and the MOS drive unit 362 , so as to realize the controllable control of the entire discharge process and the protection of the battery pack 100 .
- first power supply terminal 132 and second power supply terminal 35 can be plug-in ports for power transmission commonly used in garden tools, and there are various models to choose from.
- the above-mentioned first power supply terminal 132 may include a first P+ terminal and a first P- terminal as a discharge port
- the second power supply terminal 35 may include a second P+ terminal and a second P- terminal as a discharge port that match each terminal of the first power supply terminal. terminals.
- FIG. 61 shows a block diagram of the circuit structure of the power supply system of this embodiment, including the discharge control circuit of the battery pack 100 and the motor drive circuit of the electric tool 30 .
- the discharge control circuit of the battery pack 100 can be integrated into the circuit board 13 of the battery pack 100, and the discharge control circuit is connected in series between the first Type-C interface 122 and the cell assembly 120 of the battery pack 100, and the discharge control circuit is also connected in series Connected between the first power supply terminal 132 and the battery cell assembly 120 of the battery pack 100, the discharge control circuit is used to control the battery cell assembly 120 to discharge the electric tool 30 through the first power supply terminal 132, and through the first Type-C interface 122 Provide activation power and communication for the tool-side main control of the electric tool 30 (the main control unit 2 in FIG. Pack of 100's of protection.
- the above-mentioned discharge control circuit includes a detection unit 170, a first main control unit 1801 (main control unit 1 in Figure 61), a first DC-DC unit 1301 (DC-DC unit 1 in Figure 61), a first A Type-C communication processing unit 192 (communication processing unit 1 in FIG. 61 ), activation unit 110 and keys.
- the positive end of the cell assembly 120 is respectively connected to the first P+ terminal (P+ in the battery pack in FIG.
- the first Type-C interface 122 is connected to the first main control unit 1801, and the first main control unit 1801 is also connected to the detection unit 170, the activation unit 110 and the first Type-C communication processing unit 192 respectively.
- the C communication processing unit 192 is also respectively connected to the first Type-C interface 122 and the activation unit 110, the button is connected to the activation unit 110, and the negative end of the battery cell assembly 120 is respectively connected to the first P-terminal of the first power supply terminal 132 (Fig. P-) in the battery pack in 61 is connected with the first Type-C interface 122.
- the detection unit 170 may include a current detection unit, a voltage detection unit AFE, and a temperature detection unit respectively connected to the first main control unit 1801.
- the current detection unit is used to detect the discharge circuit current of the battery pack 100 and transmit the detection result to the first main control unit 1801.
- the control unit 1801, the voltage detection unit AFE is used to detect the voltage of a single cell in the cell assembly 120 and transmits the detection result to the first main control unit 1801, the temperature detection unit is used to detect and monitor the temperature of the cell and transmit the detection result To the first main control unit 1801; the first main control unit 1801 is used for the data information of the battery detection unit 170, including information such as the voltage of a single battery cell, the loop current, and the temperature of the battery core.
- the first DC-DC unit 1301 is used to provide VCC power
- the first Type-C communication processing unit 192 is used to process the communication between the external Type-C communication and the first main control unit 1801
- the activation unit 110 is used to receive an activation signal from the outside, including a KEY signal (button) and a CC signal, to complete the power-on action on the first main control unit 1801, and after the first main control unit 1801 completes the power-on action, pass the second A Type-C communication processing unit 192 communicates with the outside.
- the motor drive circuit of the electric tool 30 includes a second main control unit 361 (main control unit 2 in Figure 61), a second DC-DC unit 365 (DC-DC unit 2 in Figure 61), a second Type-C communication processing unit 364 (communication processing unit 2 in FIG. 61 ), MOS drive unit 362 , power MOS unit 363 and switch 35 .
- the second Type-C interface 34 is respectively connected to the second P-terminal of the second DC-DC unit 365, the MOS drive unit 362, the second Type-C communication processing unit 364 and the second power supply terminal 35 (in the electric tool in FIG.
- the second Type-C communication processing unit 364 is connected to the second main control unit 361, the second main control unit 361 is also connected to the MOS drive unit 362 and the second DC-DC unit 365 respectively, and the power MOS unit 363 are respectively connected to the second P+ terminal (P+ in the electric tool in FIG. Between the two P- terminals and the power MOS unit 363 .
- the switch 35 is used as the main switch of the tool circuit
- the second main control unit 361 is used for processing the communication with the battery pack 100 and sending a PWM signal to the MOS drive unit 362
- the second Type-C communication processing unit 364 is used for processing external Type-C communication And communicate with the second main control unit 361
- the second DC-DC unit 365 is used to provide the appropriate power VCC1 for the second main control unit 361
- the MOS drive unit 362 is used to receive the power from the second main control unit 361
- the PWM signal is used to drive the power MOS unit 363
- the power MOS unit 363 is used to provide suitable voltage and current for the motor 37 to drive the motor 37
- the motor 37 is used as the power unit of the electric tool 30 .
- the first Type-C interface 122 is connected to the second Type-C interface 34
- the first power supply terminal 132 is connected to the second power supply terminal 35 .
- the battery side is stepped down by the first DC-DC unit 1301 to provide the power supply VCC to the electric tool 30.
- the power supply VCC is connected to the MOS drive unit 362 on the tool side through the Type-C interface to supply power.
- the power supply VCC passes through the The second DC-DC unit 365 provides power VCC1 to the main control of the tool (the second main control unit 361 ) after stepping down the voltage.
- the power supply VCC on the tool side is provided by the battery side.
- the first DC-DC unit 1301 that provides the power supply VCC can be controlled by the first main control unit 1801 of the battery pack 100.
- the communication function of the C interface 122 receives the discharge stop signal sent by the electric tool 30, and the first main control unit 1801 of the battery pack 100 powers off the first DC-DC unit 1301, so that the VCC power supply on the tool control board will be cut off, In this way, even if the switch 35 of the electric tool 30 is in the closed state, the entire system on the tool side will be shut down, so that the entire discharge process is controllable, and the protection of the battery pack 100 during discharge is realized.
- the discharge process of the battery pack 100 in this embodiment is as follows: connect the electric tool 30 to the battery pack 100, turn on the switch 35 on the electric tool, and press the button to activate the battery pack 100; after the battery pack 100 is activated, the first The main control unit 1801 is powered on and initialized, and then starts to detect the state of the battery pack to determine whether there is an abnormality in the battery pack. If there is an abnormality, discharge is prohibited.
- the first main control unit 1801 enables the first DC-DC unit 1301 to make it Output VCC, VCC outputs VCC1 to the second main control unit 361 after passing through the second DC-DC unit 365 on the tool side, so that the second main control unit 361 is powered on and initialized; after the second main control unit 361 is powered on and initialized, it starts to communicate with the battery
- the battery pack 100 starts to discharge normally; during the normal discharge process, the first main control unit 1801 monitors the voltage, current, battery temperature and other parameters of the battery pack 120 in real time through the detection unit 170
- the power calculation module calculates the SOC in real time, and stops discharging when it is determined that the SOC is 5% (or other suitable values). At the same time, once it is judged that there is an abnormality in a single battery cell or an abnormal temperature in the battery cell, it will also stop discharging.
- the battery pack of the present invention can control the main control of the electric tool and the MOS-driven power supply through the first Type-C interface when discharging the electric tool through the first power supply terminal, so as to realize the controllability of the entire discharge process. control and protection of the battery pack.
- the battery pack and the electric tool can be discharged through the Type-C interface, or through the power supply terminal, as shown in Figure 49, when there is a second
- the first Type-C interface 122 is electrically connected to the second Type-C interface 34 of the electric tool 30, and the battery pack 100 can be connected through the first Type-C interface 34.
- the Type-C interface 122 discharges the electric tool 30 to supply power to the functional modules of the electric tool 30 to realize corresponding functions of the electric tool 30 . As shown in FIG.
- the first power supply terminal 132 is electrically connected to the second power supply terminal 35 of the electric tool 30', and the battery
- the package 100 can discharge the power tool 30 ′ through the first power supply terminal 132 , so as to supply power to the functional modules of the power tool 30 ′ to realize corresponding functions of the power tool 30 .
- the structures of the battery pack 100 and the electric tool 30 (electric tool 30') are basically the same as those of the above-mentioned embodiments, so the description thereof will not be repeated.
- the circuit block diagrams of the two power supply systems all include the discharge control circuit of the battery pack 100, and the discharge control circuit can be integrated into the circuit board 13 of the battery pack 100. superior.
- the discharge control circuit is connected in series between the first Type-C interface 122 and the cell assembly 120 of the battery pack 100, and the discharge control circuit is also connected in series between the first power supply terminal 132 and the cell assembly 120 of the battery pack 100.
- the discharge control circuit is used to control the electric core assembly 120 to discharge to the electric tool 30 having the second Type-C interface 34 or the second power supply terminal 35 through the first Type-C interface 122 or the first power supply terminal 132 .
- the discharge control circuit can automatically adapt the rated voltage of the electric tool 30, that is, the battery of this embodiment
- the battery pack 100 can be adapted to electric tools 30 with different rated voltages.
- the battery pack 100 and multiple electric tools 30 with Type-C interfaces and different rated voltages together form a tool system.
- the tool system also includes an electric power tool with a second power supply terminal 35.
- the rated voltages of the tool 30', the power tool 30' and the power tool 30 may be the same or different.
- the discharge control circuit can also be used as the charge control circuit of the battery pack 100 , and the discharge control circuit is the same as or similar to the charge and discharge control circuit described above, and will not be repeated here.
- FIG. 66 shows a flowchart for activating the battery pack 100 .
- the battery pack 100 can activate the main control unit 1801 of the battery pack 100 through the key (KEY signal), the COM signal of the charger or the electric tool 30, and the CC signal of the first Type-C interface;
- the control unit 1801 After the control unit 1801 is activated by the activation signal, it will complete the power-on initialization work, then self-check the battery status, and decide whether to turn on the Type-C circuit according to the self-test result;
- the battery pack 100 will power off the main control unit 1801 in case of abnormality , the battery pack 100 will enter the shutdown state, otherwise the initialization of the battery pack 100 will be completed, the main control unit 1801 will open the Type-C circuit, and set the status flag OVP of the battery pack 100 to a corresponding value according to the self-test result, wherein, Setting OVP to 10 indicates that the battery pack 100 is in a
- the battery pack 100 of this embodiment has two discharge modes, the first discharge mode is to realize discharge through the first power supply terminal 132 of the battery pack 100, and the second is to realize discharge through the first Type-C interface 122 of the battery pack 100 discharge. Each will be described below.
- the battery pack 100 discharges to the electric tool with the second power supply terminal 35 through the first power supply terminal 132, and the battery pack and the tool are provided with a P+ terminal, a COM terminal, and a P- terminal, and one by one Correspondingly, discharge is realized through the matching of terminals and communication.
- the battery pack 100 when the battery pack 100 is plugged into the electric tool 30, the battery pack 100 corresponds to the P+ terminal, the COM terminal, and the P- terminal on the electric tool 30, and the battery pack 100 can be activated through the above-mentioned activation method.
- 100 performs discharge handshake with the electric tool 30 , and if the handshake is successful, it enters the discharge mode and discharges through the first power supply terminal 132 .
- the battery pack 100 discharges to the electric tool with the second Type-C interface 34 through the first Type-C interface 122: when the battery pack 100 is connected through the Type-C interface
- the Type-C interface will perform discharge protocol matching for discharge.
- the battery pack 100 when the battery pack 100 is connected to the second Type-C interface 34 of the electric tool 30 through the first Type-C interface 122, the battery pack 100 is activated through the CC signal, and the main control unit 1801 completes power-on initialization, and the battery pack 100 and The electric tool 30 performs a discharge handshake, and if the handshake is successful, the electric tool 30 sends a discharge request signal, which includes the rated voltage of the electric tool 30; detects the working condition of the battery pack, and enters Type-C when the working condition of the battery pack 100 is idle mode discharge mode, and when the working condition of the battery pack 100 is the charging mode, the Type-C discharge mode is prohibited, and when the working condition of the battery pack 100 is that the battery pack 100 discharges through the first power supply terminal 132, it enters the first power supply Terminal 132 and Type-C dual discharge mode; when entering the Type-C discharge mode, the main control unit 1801 starts to detect the battery status, except for abnormal situations, the main control will open the Type-C circuit and set the value
- the control process of the entire Type-C discharge process is as follows: when the battery pack 100 is discharged by using the first Type-C interface 122, the auxiliary control unit 1802 will send a PWM control signal to the full bridge drive unit 1601,
- the full-bridge drive unit 1601 provides a discharge voltage matching the rated voltage of the electric tool 30 according to the PWM signal;
- the auxiliary control unit 1802 monitors the discharge voltage VBUS, VIN and discharge current in real time; when the discharge voltage and discharge current are abnormal, the auxiliary control unit 1802 real-time Adjustment, after multiple adjustments (can be determined according to the actual situation, for example, 5 times), it will judge whether there is still an abnormality, if abnormal, stop discharging, otherwise normal discharge; in the normal discharge mode of the Type-C port, the main control unit 1801 real-time Monitor the state of the battery, including voltage, current and cell temperature, and stop discharging when there is an abnormal voltage or temperature of a single cell; can be other suitable values), stop discharging.
- the battery pack of the present invention is compatible with electric tools with Type-C interface or power supply terminals for discharge, and has a wide range of applications.
- the battery pack of the present invention can discharge electric tools with different rated voltages through the Type-C interface, so that the electric tools with different rated voltages can be adapted.
- the charger includes a charger housing 21, a first charging interface and a first power supply terminal 23, and the first charging interface and the first power supply terminal 23 are located at the On different two sides of the charger housing 21, preferably on opposite sides of the charger housing 21, and a first circuit board is installed in the charger housing 21, and the first charging interface One end is electrically connected with the first circuit board, and the other end is located in the through hole on the side of the charger housing 21, so as to be connected to the battery pack 100 through a charging line, and the first power supply terminal 23 is connected to the first power supply terminal 23.
- the first circuit board is electrically connected, and the first power supply terminal 23 is used to connect to an external power source.
- the first charging interface is a third Type-C interface 22 .
- an AC-DC module 1002, a control and protocol module 1004, and a DC-DC module 1003 are integrated on the first circuit board, and the AC-DC module 1002 and the DC - the DC module 1003 is connected, the DC-DC module 1003 is connected to the first charging interface, and the control and protocol module 1004 is connected to the DC-DC module 1003 and the first charging interface respectively.
- the first charging interface includes a plurality of Type-C interfaces, and each Type-C interface is connected to a DC-DC module 1003, and the control and protocol module 1004 is connected to each of the DC-DC modules respectively.
- the AC-DC module 1002 is used to convert alternating current into direct current;
- the DC-DC module 1003 is used to give a suitable charging voltage according to the control signal;
- the control and protocol module 1004 is used For the control of the entire charging system, as well as protocol analysis and charging control for each Type-C port, the first charging interface is connected to the second charging interface on the battery pack to charge the battery pack.
- the battery pack passes through the third Type-C interface 22.
- a Type-C interface 122a and the second Type-C interface 122b are respectively connected to the third Type-C interfaces 22 of the two chargers.
- the charger housing 21 is provided with two interfaces
- the two interfaces are the third Type-C interface 22a and the third Type-C interface 22b
- the battery pack 100 passes through the first
- the Type-C interface 122a and the second Type-C interface 122b are respectively connected to the third Type-C interface 22a and the third Type-C interface 22b on the same charger.
- the charger 20 can also charge different battery packs with different first charging interfaces.
- a battery pack 100 including: a plurality of Type-C interfaces 122, a charging control system and a battery cell assembly 120; the charging control system is connected in series between each Type-C interface 122 and the battery cell assembly Between 120, each Type-C interface 122 is detachably connected to an access device, and the charging control system detects the type of the access device, and if it is a charging device, then charges the battery pack 100 .
- FIG. 47 another embodiment of the present invention discloses a charging combination, including: a detachably connected battery pack 100 and a charger, and the battery pack 100 can be charged by the charger;
- the battery pack 100 includes: a plurality of Type-C interfaces 122, a charging control system and a cell assembly 120; the charging control system is connected in series between each Type-C interface 122 and the cell assembly 120, and each Type-C interface 122 can be Disconnect and connect the access device, the charging control system detects the device type of the access device, if it is a charging device, the battery pack 100 is charged;
- the charger is provided with at least one Type-C interface 22 , and the Type-C interface 22 of the charger matches the Type-C interface 122 of the battery pack 100 .
- the two Type-C interfaces connected to the charger 200 and the battery pack 100 are male and female, which is convenient for users to connect; in addition, the above-mentioned battery pack 100 and charger may also include a power supply terminal 132 and an insert 23 for charging The device can also charge the battery pack 100 through the insertion piece 23, and correspondingly, the power supply terminal 132 and the insertion piece 23 that are electrically connected to each other are also matched male and female headers.
- a charger 200 is provided to charge the battery pack 100 in the above embodiment, the charger 200 includes a charger housing 21, so The charger housing 21 is provided with a battery pack charging portion 211, the first power supply terminal 23 is disposed on the battery pack charging portion 211, and the first Type-C interface 22 is disposed on the battery pack charging portion.
- the battery pack 100 when the battery pack 100 is charging, the battery pack 100 is installed in the battery pack charging part 211, and the first power supply terminal 23 is connected to the second power supply terminal 132 in the terminal interface 131 , the first Type-C interface 22 is connected to the second Type-C interface 122, and charger guide rails 212 are arranged on opposite sides of the battery pack charging part 211, and the charger guide rails 212 are connected to the
- the cooperation between the charger guide rail 212 and the slide rail 1102 plays the role of guiding or facilitating sliding , so that it can be installed smoothly.
- the first power supply terminal 23 includes a first discharge port P+ and a first discharge port P-, the first Type-C interface 22 is located between the first discharge port P+ and the first discharge port P-, When charging, the first discharge port P+ and the first discharge port P- are charging and discharging ports, and the first Type-C interface 22 is a communication port.
- the first Type-C The interface 22 is also used as an auxiliary power port, and the battery pack provides activation power for the main controller on the charger side through the first Type-C interface 22 .
- the charger 200 charges the battery pack 100 after receiving the activation voltage, and turns on or off the charger according to the on/off of the externally connected activation voltage during the process of charging the battery pack 100. 200 output.
- the charger 200 specifically includes: a first Type-C interface 22 , an insertion piece 23 and an on-off control module 210 .
- the first Type-C interface 22 is used to receive the activation voltage
- An on-off control module 210 configured to control the charging of the charger 200 according to the activation voltage
- the insertion piece 23 is electrically connected to the battery pack 100 and the on-off control module 210 for outputting the charging voltage to the battery pack 100 .
- first Type-C interface 22 and the insert piece 23 in this embodiment are both one, and the number of Type-C interfaces in practical applications can be set to multiple as required. By adjusting the charging power, the charging process can be accelerated. Speed, user-friendly.
- the first Type-C interface 22 is a USB standard interface, and its interface type is a double-sided model that can adapt to front and back insertion, and supports the USB PD fast charging protocol (USB Power Delivery Specification, USB fast charging standard), which can realize power transmission and Data interaction.
- the Type-C interface pins include VBUS, CC, D+, D-, and GND.
- the communication protocol of the first Type-C interface is not limited to the above-mentioned standardized USB PD fast charging protocol, but also supports proprietary protocols, which are generally designed by each manufacturer according to their own conditions, and this solution does not limit this.
- the insert 23 is a connection port commonly used in garden tools, and there are many types to choose from. In this embodiment, there are positive terminal P+ and negative terminal P ⁇ .
- the on-off control module 210 includes: a first converter 2101 , a first processor 2102 , a second converter 2103 and an AC-DC converter 2104 .
- the first converter 2101 is connected in series between the first Type-C interface 22 and the first processor 2102, and is used to step down the activation voltage and output it to the first processor 2102. After the activation voltage is stepped down, it should adapt to the first The operating voltage range of the processor 2102.
- the first processor 2102 is configured to output a control signal to the second converter 2103 to start working after receiving the reduced activation voltage; wherein, the control signal is a PWM signal.
- AC-DC converter 2104 used to convert external AC power into DC power
- the second converter 2103 is used for stepping down the DC power and outputting it to the plug 23 according to the control signal of the first processor 2102 .
- the charger 200 further includes a first communication unit 201 .
- the first communication unit 201 which is connected in series between the first processor 2102 and the first Type-C interface 22, is used to realize the communication connection between the first processor 2102 and the battery pack 100, and the first processor 2102 according to
- the data transmitted by the battery pack 100 dynamically adjusts the output power to match the load capacity of the battery pack 100, so as to avoid accidents such as short circuit of the wires, or even explosion due to overheating of the product.
- the charger 200 further includes: a charging protection unit 202 .
- the charging protection unit 202 is connected in series between the second converter 2103 and the insert 23 , and its control terminal is connected to the first processor 2102 , for protecting the charging circuit of the charger 200 .
- the charging circuit of the charger 200 is the internal circuit of the charger 200, including the insert piece 23, the first communication unit 201 and the on-off control module 210, any abnormality in any part of it will affect the service life of the charger 200, and should be Immediately stop the charging process.
- the charger 200 of this embodiment starts to charge the battery pack 100 after receiving the activation voltage input from the outside. output power; and when the activation voltage is disconnected, the output of the charger 200 is stopped in time, which avoids the damage caused to the battery pack 100 by continuing to charge when the battery pack 100 fails or the charging is completed, and ensures that the battery pack 100% charging safety improves the service life of the battery pack 100%.
- the cell assembly 120 of the battery pack 100 includes a plurality of cells, and the cells can be combined in series and parallel to form a cell assembly. 120 , the battery cell assembly 120 is used to store electric energy, and can be charged by an external charger 200 to obtain electric energy.
- the battery pack 100 specifically includes: a second Type-C interface 122 , a power supply terminal 132 , a voltage generation module 130 and a detection module 170 .
- the detection module 170 is configured to acquire the charging parameters of the battery pack 100 in real time.
- the charging parameters of the battery pack 100 are the technical parameters of the charging circuit of the battery pack, including: the single cell voltage of the battery pack 120, the loop current of the charging circuit, the temperature of the battery pack 120 and/or the power device in the charging circuit.
- the detection module 170 includes: a voltage detection unit, a current detection unit and a temperature detection unit.
- a voltage detection unit configured to obtain the voltage value of the cell assembly 120
- a current detection unit configured to acquire the loop current of the charging loop of the battery pack 100
- the temperature detection unit is used to acquire the temperature of the battery cell assembly 120 and/or the power device in the charging circuit.
- the charging circuit of the battery pack 100 is the internal circuit of the battery pack 100, including the power supply terminal 132, the second Type-C interface 122, the detection module 170, the voltage generation module 130, and the battery cell assembly 120. It will affect the service life of the battery pack 100, and the charging process should be stopped immediately.
- the voltage generation module 130 is used to generate the activation voltage to the second Type-C interface 122; it is also used to obtain the charging status according to the charging parameters, and stop the generation of the activation voltage when the charging status is abnormal or complete.
- the parameter range of the charging parameter can be preset according to the needs of use, and the charging status can be judged according to the parameter range.
- the charging status in this embodiment includes: normal, abnormal and complete. In practical applications, the user The state of charge can be subdivided as required.
- the state of charge is considered abnormal; when it is within the parameter range, the state of charge is considered normal; when the SOC of the nuclear power state of the battery cell assembly 120 reaches a preset value, for example, the SOC is At 100%, the charging status is considered complete.
- the second Type-C interface 122 is used to output the activation voltage of the charger 200 .
- the power supply terminal 132 is electrically connected to the charger 200 for charging the battery pack 100 .
- the second Type-C interface 122 and the power supply terminal 132 in this embodiment are both one.
- the number of Type-C interfaces can be set to multiple as required. By adjusting the charging power, the charging process can be accelerated. Speed, user-friendly.
- the interface definitions of the second Type-C interface 122 and the power supply terminal 132 are the same as those of the first Type-C interface 22 and the insert piece 23 in the above-mentioned embodiment, and will not be repeated here to save space.
- the power supply terminal 132 matches the insert 23 in the above embodiment, and is a male and female connector;
- the second Type-C interface 122 matches the first Type-C interface 22 in the above embodiment, and is also a male connector. female head.
- the voltage generation module 130 includes: a third converter 1301 and a second processor 1302 .
- the second processor 1302 is electrically connected to the detection module 170, and is used to output a control signal to the third converter 1301 according to the charging parameters; when the charging state is normal and the charging is not completed, the output control signal starts the third converter 1301 work; when the charging state is abnormal or the charging is completed, the output control signal stops the third converter 1301 from working.
- the third converter 1301 is connected in series between the power supply terminal 132 and the second Type-C interface 122, and its control terminal is connected to the second processor 1302 for charging according to the control signal of the second processor 1302.
- the input voltage of the device 200 is converted into an activation voltage and output to the second Type-C interface 122 .
- the third converter 1301 in this embodiment, the first converter 2101, the second converter 2103 and the AC-DC converter 2104 in the above-mentioned embodiments are all conventional voltage conversion devices in the prior art , there are mature products to choose from, and this application does not limit its models.
- the battery pack 100 further includes: an activation unit 110 .
- the activation unit 110 is configured to activate the second processor 1302 according to an activation signal, wherein the activation signal is obtained through the second Type-C interface 122 of the battery pack 100 and/or by pressing an activation button.
- the battery pack 100 is provided with an activation button for controlling the on/off of the power circuit, and when the activation button is pressed, a pull-up or pull-down activation signal can be generated.
- the battery pack 100 is in a dormant state when there is no activation signal, and starts to work only after receiving an activation signal, thereby saving electric energy.
- the battery pack 100 further includes: a Type-C communication unit 192 .
- the Type-C communication unit 192 is serially connected between the second processor 1302 and the second Type-C interface 122 , and is used to realize the communication connection between the second processor 1302 and the charger 200 .
- an external pull-up signal is generated, and the pull-up signal is transmitted to the second processor 1302 through the Type-C communication unit 192 as an activation signal.
- the battery pack 100 can also transmit the charging parameters of the battery pack 100 to the charger 200 through the Type-C communication unit 192, so that the charger 200 can dynamically adjust the output power to match the load capacity of the battery pack 100, thereby avoiding short circuit, Even accidents such as overheating and explosion of the product.
- the battery pack 100 of this embodiment outputs an activation voltage to the charger 200 after activation, so that it starts to charge the battery pack 100; while charging, the battery pack 100 detects the charging state in real time, and the charging state is abnormal or complete When the battery pack 100 fails or the charging is completed, the output of the activation voltage is stopped, thereby stopping the charging process, avoiding the damage to the battery pack 100 caused by continuous charging, ensuring the charging safety of the battery pack 100, and improving the charging process of the battery pack 100. service life.
- FIG. 72 and Fig. 80 another embodiment of the present invention provides a charging combination, including: a detachably connected charger 200 and a battery pack 100;
- Charger 200 includes:
- the first Type-C interface 22 is used to receive the activation voltage
- An on-off control module 210 configured to control the charging of the charger 200 according to the activation voltage
- the insert 23 is electrically connected to the battery pack 100 and the on-off control module 210, and is used to output the charging voltage to the battery pack 100;
- the battery pack 100 includes:
- the voltage generation module 130 is used to generate the activation voltage of the charger 200 to the second Type-C interface 122; it is also used to obtain the charging status according to the charging parameters, and stop the generation of the activation voltage when the charging status is abnormal or complete;
- the second Type-C interface 122 is used to output the activation voltage
- the power supply terminal 132 is electrically connected to the charger 200 for charging the battery pack 100;
- the detection module 170 is used to obtain the charging parameters of the battery pack 100 in real time
- the first Type-C interface 22 is matched with the second Type-C interface 122
- the insertion piece 23 is matched with the power supply terminal 132 .
- the battery pack 100 provides an activation voltage for the charger 200 to start charging the battery pack 100; while charging, the battery pack 100 detects the charging state in real time, and when the charging state is abnormal or complete , stop outputting the activation voltage, thereby stopping the charging process, avoiding damage to the battery pack 100 caused by continuous charging when the battery pack 100 fails or charging is completed, ensures the charging safety of the battery pack 100, and improves the battery pack 100. service life.
- the battery pack 100 and the charger 200 exchange data in real time during the charging process, adjust the output power of the charger 200 in real time according to the charging parameters of the battery pack 100, and cooperate with the load capacity of the battery pack 100 to avoid short-circuiting of wires and even overheating of the product.
- Accidents such as explosions.
- another embodiment of the present invention provides a charging method, the charging method includes: the battery pack 100 outputs an activation voltage to the charger 200, and the charger 200 charges the battery pack 100 after being powered on; during the charging process, the battery The pack 100 detects the charging parameters of the charging circuit of the battery pack in real time, obtains the charging status according to the charging parameters, and stops outputting the activation voltage when the charging status is abnormal or complete.
- the steps before the battery pack 100 outputs the activation voltage to the charger 200 include:
- the battery pack 100 After receiving the activation signal, the battery pack 100 is activated; wherein, the activation signal is obtained through the second Type-C interface 122 of the battery pack 100 and/or the activation button.
- the steps before the battery pack 100 outputs the activation voltage to the charger 200 further include:
- the charging parameters of the battery pack 100 are detected, and the charging status is obtained according to the charging parameters. If the charging status is normal, an activation voltage is output.
- the steps before charging the battery pack 100 also include:
- the battery pack 100 and the charger 200 perform communication handshake, and if the handshake is successful, charging starts.
- the charging method of this embodiment is applied to the charging combination of the above-mentioned embodiment
- the battery pack 100 provides an activation voltage for the charger 200, so that it starts to charge the battery pack 100; while charging, the battery pack 100 detects the charging status in real time , when the charging state is abnormal or completed, stop outputting the activation voltage, thereby stopping the charging process, avoiding damage to the battery pack 100 caused by continuing charging when the battery pack 100 fails or charging is completed, and ensuring the battery pack 100
- the charging is safe, and the service life of the battery pack 100 is improved.
- the battery pack 100 and the charger 200 exchange data in real time during the charging process, and adjust the output power of the charger 200 in real time according to the charging parameters of the battery pack 100, so as to avoid accidents such as short circuit of wires or even explosion due to overheating of the product.
- FIG. 82 another embodiment of the present invention discloses a battery pack 100, including a charging and discharging communication control system, a power supply terminal 132, and at least one Type-C interface 122; the communication control system is located in the battery pack 100, and Communicatively connect with the power supply terminal 132 and each Type-C interface 122 respectively;
- the communication control system includes the first control unit 1801 and the second control unit 1802 in the above embodiments:
- a first control unit 1801 which is electrically connected to the power supply terminal 132, and is used to communicate with the access device on the power supply terminal 132;
- the second control unit 1802 is electrically connected to each Type-C interface 122, and is used to communicate with the access device on each Type-C interface 122;
- the first control unit 1801 is communicatively connected with the second control unit 1802 .
- the first control unit 1801 can communicate with the second control unit 1802 through various communication methods, wherein the communication methods include I2C bus communication, UART serial port communication and SPI communication.
- the communication methods include I2C bus communication, UART serial port communication and SPI communication.
- the communication control system also includes the terminal communication unit 191 and the Type-C communication unit 192 in the above embodiments.
- the terminal communication unit 191 is connected in series between the power supply terminal 132 and the first control unit 1801 , and is used for communication connection between the first control unit 1801 and the access device on the power supply terminal 132 .
- the Type-C communication unit 192 is serially connected between each Type-C interface 122 and the second control unit 1802 , and is used for communication connection between the second control unit 1802 and the access device on each Type-C interface 122 .
- FIG. 83 another embodiment of the present invention discloses a communication control method for charging and discharging.
- the communication control method is applied to a battery pack 100 including a power supply terminal 132 and at least one Type-C interface 122.
- the communication control method include:
- Step 501 the first control unit 1801 obtains the device type of the connected device on the power supply terminal 132;
- Step 502 the second control unit 1802 obtains the device type of the access device on each Type-C interface 122, and transmits it to the first control unit 1801;
- Step 503 the first control unit 1801 charges/discharges the battery pack 100 according to the device type of the power supply terminal 132 and/or the device connected to each Type-C interface 122; wherein, the device type includes a charging device and a discharging device, and The device type is indicated by the high and low levels on the second sending end of the second control unit 1802 .
- the steps of obtaining the device type of the connected device on the power supply terminal 132 and/or each Type-C interface 122 include:
- the first control unit 1801 and/or the second control unit 1802 perform a communication handshake with the access device. If the handshake is successful, the type of communication handshake is determined. If the type of communication handshake is charging handshake, it is a charging device; if the type of communication handshake is A discharge handshake is a discharge device.
- the steps for the first control unit 1801 to charge/discharge the battery pack 100 according to the power supply terminal 132 and/or the device type of the connected device on each Type-C interface 122 include:
- the charging request is passed through the Type-C interface 122 and/or the power supply terminal 132 charging the battery pack 100;
- the working conditions of the battery pack include charging mode, discharging mode and idle mode; the first control unit 1801 marks the working conditions of the battery pack according to the charging/discharging status of the battery pack 100 and the connection status of the connected device, and the marking method is the same as the above-mentioned The embodiment is the same.
- the steps for the first control unit 1801 to charge/discharge the battery pack 100 include:
- the first control unit 1801 charges/discharges the battery pack 100 through the power supply terminal 132 according to the device type connected to the power supply terminal 132;
- the first control unit 1801 sends charging/discharging instructions to the second control unit 1802 according to the device type of the connected device on each Type-C interface 122;
- the battery pack 100 is charged/discharged.
- the communication control method also includes:
- Step 701 the first control unit 1801 receives the battery parameters of the cell components of the battery pack 100, obtains the status of the battery pack according to the battery parameters, and transmits it to the second control unit 1802; wherein, the status of the battery pack includes power-off, protection, normal and Abnormal; the status of the battery pack is indicated by the high and low levels on the first sending end of the first control unit 1801 .
- Step 701 the second control unit 1802 charges/discharges the battery pack 100 according to the state of the battery pack.
- the state of the battery pack should be detected first, and charging is allowed only when it is not abnormal; when a discharge request is received, the state of the battery pack should be detected first, and discharge is allowed only when it is normal, thereby avoiding Overcharging or undervoltage causes damage to the cell components and affects their service life.
- the second control unit 1802 also detects the status of the battery pack in real time, and stops the charging/discharging process to protect the battery core from damage if any abnormality occurs.
- the communication control method in the above embodiment is applied to the battery pack 100 including the power supply terminal 132 and at least one Type-C interface 122, supports the USB PD fast charging protocol, and has a connection between the power supply terminal 132 and the first control unit 1801,
- the charging/discharging protection logic is executed interactively, and the input/output power is dynamically adjusted, which not only enables fast charging/discharging, but also effectively protects the safety of the battery pack 100 and prolongs the service life of the battery pack 100 .
- Fig. 72 is a scene diagram of connecting a battery pack to a charger.
- the battery pack 100 is directly connected to the charger.
- the charger 200 is connected to charge the battery pack 100, and the output voltage of the charger needs to be equal to the input voltage of the battery pack 100. matching, to realize the normal charging of the battery pack 100; or the output voltage of the charger does not exceed the maximum withstand voltage of the battery pack 100, at this time, the battery pack 100 can realize the charging function, but cannot achieve the best charging effect. That is, each battery pack 100 needs to be matched with a corresponding charger to achieve the best charging state of the battery pack 100 .
- an adapting device 40 is provided, which can convert the output voltage of the charger 20 into the input voltage required by the battery pack 100 according to the input voltage requirement of the battery pack 100 .
- a charging system provided by the present invention includes a charger 20 matching device 40 and a battery pack 100 .
- the charger 20 is connected to the adapter device 40 .
- On one side of the charger 20 there is a Type-C output interface 22 .
- the Type-C output interface 22 is electrically connected to the voltage input end of the adapter device 40 through the charging cable 1001 .
- the present invention provides a battery pack 100.
- An insertion portion 1101 is provided on the top surface of the battery pack housing 10.
- Slide rails 1102 are provided on both sides of the insertion portion 1101. The slide rails 1102 are used to communicate with The adapter device 40 is connected, and one end of the socket part 1101 is provided with a terminal 132, and is located between the slide rails 1102 on both sides of the socket part 1101.
- the terminal 132 is electrically connected to the voltage output terminal of the adapter device 40 , and the terminal 132 is an output terminal.
- the structure of the battery pack is the same as that of the battery pack described above, and will not be described again.
- an adapter device 40 provided by the present invention is arranged between the charger 20 and the battery pack 100 for converting the output voltage of the charger 20 into the input voltage required by the battery pack 100 .
- the adapter device 40 provided by the present invention includes a casing 41 and a circuit board 402, wherein the casing 41 includes a first casing 401 and a second casing 403, and the first casing 401 and the second casing 403 each have a concave portion.
- the first housing 401 is buckled on the second housing 403 to form a receiving chamber, which is formed by the concave portion of the first housing 401 and used for placing the circuit board 402 .
- a circuit board 402 is installed in the cavity formed by the first housing 401 for fixing the circuit board 402 , and the concave portion of the second housing 403 is used for engaging with the battery pack 100 .
- the first housing 401 is connected to the charger 20 through the charging cable 1001, and the side of the first housing 401 connected to the charger 20 is an adapter device
- the input part of 40 and the output part include a first interface 408 connected with the charger 20 .
- a first through hole 407 is provided on the sidewall of the first concave portion 411 .
- the first interface 408 is disposed on the circuit board 402 and is located in the first recess 411 of the first housing 401 , the first interface 408 extends into the first through hole 407 , and the first interface 408 is electrically connected to the circuit board 402
- the input end is an input interface of the adapter device 40
- the first interface 408 is, for example, a Type-C input interface.
- the Type-C output interface 22 is electrically connected to the first interface 408 .
- a button 409 is provided on the surface of the first housing 401 , and the button 409 extends into the first recess 411 and can be used as a button switch of the circuit board 402 .
- a plurality of clamping posts 412 are arranged, which are connected with the clamping points 417 of the second recess 418 on the second housing 403, for connecting the first housing 401 and
- the second housing 403 is positioned and connected to the first housing 401 and the second housing 403, wherein the clamping column 412 is a hollow cylinder, the clamping point 417 is a hollow cylinder, and the outer diameter of the clamping column 412 is equal to that of the clamping column.
- the inner diameter of the hollow cylinder on the point 417, the clamping column 412 is clamped into the clamping point 417.
- first concave portion 411 On the side wall of the first concave portion 411, there are also a plurality of second locking grooves 413, which are engaged with the locking pieces 416 on the second housing 403, and are used for fixedly connecting the first housing 401 and the second housing. 403.
- a plurality of support plates 410 are also provided on the outer side of the first concave portion 411 for reinforcing the first casing 401 .
- the second housing 403 is provided with a plurality of card points 417 on the side connected to the first housing 401 .
- Post 413 snaps into place.
- the circuit board 402 is fixed on the side where the second housing 403 is connected to the first housing 401 , and when the first housing 401 engages with the second housing 403 , the circuit board 402 is located in the first recess 411 .
- the output end of the circuit board 402 is connected to a plurality of second interfaces 414, one end of the second interface 414 is electrically connected to the output end of the circuit board 402, which is the output interface of the adapter device 40, and the other end passes through the second housing in turn
- the second through hole 415 on the 403 enters into the second concave portion 418 .
- the second interface 414 is also electrically connected to the terminal 132 of the battery pack 100 .
- an output portion of the adapter device 40 is provided, and the output portion includes a second interface 414 electrically connected to the terminal 132 , and a second guide rail 419 engaged with the slide rail 1102 .
- the second housing 403 is provided with a second concave portion 418
- the second concave portion 418 is a concave portion with an opening
- second guide rails 419 are provided on two opposite side walls of the second concave portion 418, that is, the second Guide rails 419 are provided on the side walls adjacent to the opening.
- the two second guide rails 419 are arranged in parallel for engaging with the slide rail 1102 of the battery pack 100 .
- a limit groove 421 is provided on the bottom wall of the second recess 418, the limit groove 421 is adapted to the shape of the limit post 1112 on the battery pack 100, when the second housing 403 When the two concave parts 418 are engaged with the socket part 1101 of the battery pack 100 , the limiting column 1112 is locked in the limiting groove 421 .
- the first interface 408 on the first housing 401 is electrically connected to the Type-C output interface 22 through the charging cable 1001 ;
- the second guide rail 419 on the second housing 403 engages with the slide rail 1102 on the battery pack 100 , and the second interface 414 is electrically connected to the terminal 132 of the battery pack 100 .
- the circuit board 402 disposed in the cavity formed by the first recess 411 of the first casing 401 converts the output voltage of the charger 20 into the input voltage required by the battery pack 100 .
- the present application does not limit the length of the charging cable 1001, and both ends of the charging cable 1001 are Type-C interfaces.
- the present invention does not limit the rated operating voltage of the battery pack 100.
- the first battery pack has a first rated operating voltage
- the terminal 132 is the terminal of the first battery pack
- the second interface 414 is electrically connected to the terminal of the first battery pack.
- the output voltage of the charger 20 is converted into a first rated working voltage to charge the charger 20;
- the second battery pack has a second rated working voltage, and the terminal 132 is a terminal of the second battery pack, and the second interface 414 is electrically connected to
- the second battery pack terminal converts the output voltage of the charger 20 into a second rated working voltage to charge the charger 20 .
- the control system of the battery pack 100 includes: a cell pack 120 (lithium battery), a main control unit 181, a detection unit 171 and an activation unit 110 electrically connected to the main control unit 181, and an electrical connection with the main control unit 181 and the activation unit 110.
- a cell pack 120 lithium battery
- main control unit 181 a detection unit 171 and an activation unit 110 electrically connected to the main control unit 181, and an electrical connection with the main control unit 181 and the activation unit 110.
- the detection unit 171 is used to detect the voltage of a single cell in the battery pack 120, the temperature of the battery pack 120, etc., and transmit the detection results to the main control unit 181.
- the main control unit 181 is used to receive the data information of the detection unit 2 and the circuit charge and discharge information, and perform corresponding protection operations after analysis.
- the detection unit 171 and the main control unit adopt I2C communication; the DC-DC unit 130 connects the battery pack The voltage at both ends of 120 is converted into the voltage required by the main control unit 181 and other modules; the first charge and discharge protection unit 151 receives the protection command from the main control unit 181, and completes the charge and discharge protection action of the circuit; the COM communication processing unit 191 processes Communication between the external COM communication and the main control unit 181; the activation unit 110 receives the activation signal from the outside, including the KEY signal (button) and the COM signal, and completes the power-on action of the main control unit 181, and the main control completes the power-on action Finally, communicate with the outside through the COM communication processing unit.
- the control method of the battery pack 100 includes the following steps: S10: the battery pack 100 is electrically connected to the adapter device 40; S11: activate the battery pack 100; S12: the battery The package 100 communicates with the adapter device 40 to shake hands; S13: judge whether the handshake is successful, if the handshake is successful, execute S14: enter the charging mode; otherwise, return to step S12.
- the control method of the battery pack 100 specifically includes: after the battery pack 100 is electrically connected to the adapter device 40, the adapter device 40 activates the battery through a COM signal.
- Pack 100, battery pack 100, and adapter device 40 carry out communication handshake, and judge whether the handshake is successful, if not successful, keep in handshake mode, after the handshake is successful, adapter device 40 sends a charging request through COM signal, when the battery pack After 100 passes the request, the battery pack 100 enters the charging mode.
- the main control unit 181 monitors the battery status in real time, including voltage, current and cell temperature, and stops charging when the voltage or temperature of a single cell is abnormal.
- the main control unit 181 may further include a power calculation module, which will calculate the battery power in real time.
- the first threshold is, for example, 100%.
- the control system of the charger 20 includes: an AC-DC conversion unit 202, a first DC-DC conversion unit 209 electrically connected to the AC-DC conversion unit 202, electrically connected to the AC-DC
- the second DC-DC conversion unit 204 of the conversion unit 202 is electrically connected to the second main control unit 201 of the first DC-DC conversion unit 209 and the second DC-DC conversion unit 204, and is electrically connected to the second main control unit 201.
- the Type-C output interface 22 of the control unit 201, and the Type-C output interface 22 includes VBUS, CC, D+, D- and GND ports, electrically connected between the Type-C output interface 22 and the second main control unit 201
- the second communication processing unit 208 is electrically connected to the charging protection unit 206 between the Type-C output interface 22 and the second main control unit 201 .
- the AC-DC conversion unit 202 is used to convert AC power into DC power; the first DC-DC conversion unit 209 converts AC-DC power according to the input voltage required by the battery pack 100 The DC output of the unit 202 is converted into the voltage required by the battery pack; the second DC-DC conversion unit 204 converts the DC output of the AC-DC conversion unit 202 into power supply for the second main control unit 201 and other modules to work voltage; the charging protection unit 206 is used to receive the protection command from the second main control unit 201 to complete the discharge protection of the charger 20, the second communication processing unit 208 completes the communication between the adapter device 40 and the charger 20, and the second The main control unit 201 processes the power on and off instructions provided by the second communication processing unit 208 and the charging protection unit 206 .
- the second communication processing unit 208 is a Type-C communication processing unit.
- the control method of the charging device 20 includes the following steps: S30: the charging device 20 is connected to the adapter device 40; S31: the charging device 20 is connected to the adapter device The matching device 40 performs communication handshake; S32: judge whether the handshake is successful, if the handshake is successful, execute step S33: the charging device 20 charges the battery pack 100, otherwise return to step S31.
- the charging device 20 passes Type- The C output interface 22 communicates with the adapter device 40 for handshake. If the handshake is not successful, the handshake mode is always in. After the handshake is successful, the second main control unit 201 turns on the charging protection unit 206 and sends a charging request. After the request is passed, the charging device 20 is The battery pack 100 is charged.
- a charging conversion control system 42 provided by the present invention is arranged between the charging device 20 and the control system of the battery pack 100 , and the charging conversion control system 42 mainly includes: electrically connected to the second interface 414
- the third communication processing unit 433 is electrically connected to the third main control unit 434 of the third communication processing unit 433, is electrically connected to the full bridge drive unit 437 of the third main control unit 434, and is electrically connected to the second interface 414 and the full bridge power unit 436 of the full bridge drive unit 437, and the fourth communication processing unit 439 electrically connected to the third main control unit 434, and the full bridge power unit 436 and the fourth communication processing unit 439 are electrically connected to first interface 408 .
- the second interface 414 is electrically connected to the terminal 132 of the battery pack 100
- the first interface 408 is connected to the Type-C output interface of the charging device 20 22 electrical connections.
- the second interface 414 in the present invention is the output interface of the charging conversion control system 42, which is electrically connected to the terminal 132 of the battery pack 100, and corresponding to the terminal 132, the second interface 414 includes P+,
- the four output terminals CHG, COM and P- correspond to the terminals 132 of the battery pack 100 one by one, wherein the CHG port is the charging port, the P+ and P- ports are used to provide the input voltage of the battery pack 100, and the COM port is used for communication .
- the first interface 408 is the input interface of the charging conversion control system 42, which is electrically connected to the Type-C output interface 22 of the charging device 20.
- the first interface 408 includes VBUS, CC, D+, D- and GND ports, and is connected to the Type-C output port 22.
- the ports of the C output interface 22 are in one-to-one correspondence.
- the D+ and D- ports are used to receive the input voltage of the charging conversion control system 42
- the CC port is used for communication between the charging conversion control system 42 and the charging device 20
- the GND port is the ground terminal
- VBUS outputs a constant voltage, which is
- VBUS is, for example, a commonly used 5V voltage.
- the third communication processing unit 433 is electrically connected to the COM port of the second interface 414 and the third main control unit 434 to realize the communication between the battery pack 100 and the adapter device 40 .
- the third communication processing unit 433 is a COM communication processing unit, which matches the COM communication of the battery pack 100 .
- the third main control unit 434 receives signals from various modules and sends out operation instructions.
- One end of the fourth communication processing unit 439 is electrically connected to the third main control unit 434, and the other end is electrically connected to the first interface 408 to realize communication between the charging device 20 and the adapter device 40.
- the fourth communication processing unit 439 is a Type-C communication processing unit, which matches the Type-C communication of the charging device 20 .
- the full-bridge drive unit 437 is electrically connected to the third main control unit 434
- the full-bridge power unit 436 is electrically connected to the second interface 414 and the full-bridge drive unit 437
- the full-bridge drive unit 437 and the full-bridge power unit 436 form a boost module
- the output voltage information can be obtained according to the communication between the third communication processing unit 433 and the battery pack 100
- the required input voltage can be obtained according to the communication between the fourth communication processing unit 439 and the charging device 20 information
- the third main control unit 434 determines the duty ratio of the output PWM signal according to the input voltage and the voltage to be output, and according to the PWM signal sent by the third main control unit 434, the full-bridge drive unit 437 and the full-bridge power unit 436 will
- the charging device 20 converts the voltage input by the first interface 408 into the voltage required by the battery pack 100 and outputs it through the second interface 414 .
- the charging conversion control system 42 in the present invention also includes a DC-DC conversion unit 430, the input terminal of which is electrically connected to the first interface 414, specifically, the input terminal of the DC-DC conversion unit 430 is electrically The output end is electrically connected to the third main control unit 434 and each module, and the DC-DC conversion unit 430 converts the input voltage of the first interface 414 into the operating voltage required by each module.
- the voltage is, for example, 5V.
- the charging conversion control system 42 of the present invention also includes a button activation unit 431, which is a trigger unit, which is connected to the button 409 on the first housing 401.
- a button activation unit 431 which is a trigger unit, which is connected to the button 409 on the first housing 401.
- the third main control unit 434 is turned off by the key activation unit 431 , and then the charging conversion control system 42 is turned off.
- the charging conversion control system 42 in the present invention further includes a total voltage detection unit 432, one end of the total voltage detection unit 432 is electrically connected to the second interface 414, specifically, one end of the total voltage detection unit 432 It is electrically connected to the P+ port, and the other end of the total voltage detection unit 432 is electrically connected to the third main control unit 434 .
- the total voltage detection unit 432 detects the input voltage required by the battery pack 100 .
- the charging conversion control system 42 in the present invention further includes a current sampling unit 440, the current sampling unit 440 is electrically connected between the second interface 414 and the first interface 408, and connected in series to the charging conversion control system 42 and electrically connected to the third main control unit 434 .
- one end of the current sampling unit 440 is electrically connected to the P-port, the other end is electrically connected to the D-port, and is also electrically connected to the third main control unit 434; the current sampling unit 440 is used to detect the current in the loop , and transmit the current information in the loop to the third main control unit 434, and when the current in the circuit is abnormal, the voltage conversion process can be terminated.
- the charging conversion control system 42 of the present invention further includes a switch unit 435, the switch unit 435 is electrically connected between the second interface 414 and the first interface 408, and is electrically connected to the third main control The unit 434 , specifically, one end of the switch unit 435 is electrically connected to the P+ port, the other end is electrically connected to the input end of the full-bridge power unit 436 , and is electrically connected to the third main control unit 434 .
- the switch unit 435 is turned on, the full-bridge power unit 436 has an input voltage, and the charging conversion control system 42 can realize the voltage conversion function.
- the switch unit 435 When the third main control unit 434 sends a turn-off command , the switch unit 435 is turned off, the circuit where the full-bridge power unit 436 is located is disconnected, and the charge conversion control system 42 cannot realize the voltage conversion function.
- the switch unit 435 when the input voltage is over/under voltage, the current is abnormal, the charging and discharging is abnormal, etc., the switch unit 435 is turned off.
- the charge conversion control system 42 in the present invention also includes a second charge and discharge protection unit 438, the second charge and discharge protection unit 438 is connected between the first interface 408 and the full bridge power unit 436, and the electric sexually connected to the third main control unit 434.
- the protection instruction from the third main control unit 434 is received to complete the charging and discharging protection of the circuit.
- the second charge and discharge protection unit 438 is a Type-C charge and discharge protection unit.
- a charge conversion method provided by the present invention specifically includes:
- the button activation unit 431 is triggered, and then the third main control unit 434 electrically connected with the button activation unit 431 is activated, and then the charging conversion control system 42 is activated.
- the third main control unit 434 can be turned off through the button activation unit 431 , and then the charging conversion control system 42 can be turned off.
- the switch unit 435 is arranged between the second interface 414 and the first interface 408, and is located between the second interface 414 (input end) and the full-bridge power unit 436. If the switch unit 435 is disconnected, voltage conversion cannot be performed. .
- S402 Perform communication handshake through the third communication processing unit 433 and the fourth communication processing unit 439;
- the third communication processing unit 433 is electrically connected to the COM port of the second interface 414, and performs a COM communication handshake with the battery pack 100
- the fourth communication processing unit 439 is electrically connected to the CC port of the first interface 408, and charges The device 20 performs a CC communication handshake.
- step S403 Determine whether the handshake is successful, if successful, execute step S405, otherwise return to step S402;
- the total voltage detection unit 432 is electrically connected to the P+ port of the second interface 414 for detecting the required input voltage of the battery pack 100 , and the input voltage of the battery pack 100 is the output voltage of the charging conversion control system 42 .
- the electric quantity of the battery pack 100 is not fully charged, That is, when the state of charge SOC ⁇ 100%, execute step S407, otherwise execute step S417 to stop charging.
- the third main control unit 434 sends a PWM signal
- the full-bridge drive unit 437 and the full-bridge power unit 436 form a boost module.
- the third main control unit 434 sends out a voltage with a certain duty ratio.
- the PWM signal controls the voltage output of the full bridge power unit 436 .
- the full-bridge power unit 436 performs voltage conversion to convert the output voltage of the charging device 20 into the input voltage required by the battery pack 100 , the charging voltage is the output voltage of the charging conversion control system 42 .
- the third main control unit 434 detects the input voltage, output voltage and loop current of the charge conversion control system 42;
- the third main control unit 434 detects the information in the circuit in real time, including detecting the output voltage of the battery pack 100 through the total voltage detection unit 432, that is, the charging conversion control system 42
- the input voltage of the charging conversion control system 42 is detected by the second charge and discharge protection unit 438 ; and the current of the loop of the charging conversion control system 42 is detected by the current sampling unit 440 .
- the overall voltage detection unit 432 can detect whether the output voltage of the charging conversion control system 42 is abnormal; in the third main control unit 434, according to the voltage required by the charging conversion system 42, a charging conversion control system 42 can be set.
- the threshold of the input voltage of the VBUS terminal is the second threshold
- the threshold of the loop current in the charge conversion control system 42 is the third threshold
- the second charge and discharge protection unit 438 monitors the input voltage of the charge conversion control system 42 in real time, and transmits to
- the current sampling unit 440 monitors the loop current of the charge conversion control system 42 in real time.
- step S411 is executed, otherwise step S414 is executed.
- the third main control unit 434 changes the output voltage and the size of the loop current by adjusting the duty ratio of the PWM signal. During the adjustment process, the third main control unit 434 still monitors the input voltage in the charging conversion control system 42 in real time. , output voltage and loop current.
- step S412 Record the number of adjustments of the third main control unit 434, and when the number of adjustments of the third main control unit 434 reaches a set number, execute step S413; wherein, the set number of times is, for example, 5 times.
- step S410 the judging process is the same as that of step S410.
- step S414 is executed; otherwise, step S417 is executed, and the charging is stopped.
- the adapter device 40 performs turntable interaction with the battery pack 100 through the third communication processing unit 433 .
- step S416 Determine whether the battery pack 100 has a power-off signal, if not, execute step S414, otherwise execute step S417.
- the third main control unit 434 sends a signal to the switch unit 435 to stop the operation of the charge conversion control system 42 .
- a charging conversion method provided by the present invention mainly includes: after the adapter device 40 is connected to the battery pack 100, the charging conversion control of the adapter device 40 can be activated through the button 409 on the adapter device 40 System 42. After the charging conversion control system 42 is activated, it will activate the battery pack 100 through the COM signal and communicate with it to shake hands. After the handshake is successful, the total voltage detection unit 432 will detect whether the battery pack 100 is fully charged. If it is not full, the battery pack 100 will enter the charging mode.
- the control process of the voltage conversion is as follows: the third main control unit 434 sends a PWM signal, the full bridge drive unit 437 provides a suitable output voltage, the third main control unit 434 monitors the parameters in the voltage conversion process, and the parameters in the voltage conversion process
- the parameters in the process generally include loop current, input voltage and output voltage, and the parameter range can be set according to the needs. When the parameters in the voltage conversion process exceed the preset parameter range, it is considered abnormal, and can be adjusted according to the preset logic
- the charging/discharging voltage and charging/discharging current are dynamically adjusted, and the number of adjustments can be one or more times, and the specific number of times can be set according to needs, and in this embodiment, it is 5 times. After adjustment, continue to detect the parameters in the voltage conversion process.
- the battery pack 100 and the adapter device 40 exchange data in real time through communication, and the charging will stop when the battery pack 100 sends a charging cut-off signal.
- the battery pack 100 sends a charge cutoff signal.
- a voltage output terminal is provided on the battery pack, and a voltage input terminal is provided on the electric tool, and the voltage output terminal on the battery pack is electrically connected to the voltage input terminal on the electric tool to provide
- the output voltage of the battery pack matches the input voltage of the electric tool to realize the normal operation of the electric tool; or the output voltage of the battery pack does not exceed the maximum withstand voltage of the electric tool, and the electric tool can work at this time, but Can not achieve the best working condition. That is, each power tool needs to be equipped with a corresponding battery pack to achieve the best working condition of the power tool. Because there are many hand-held power tools, a variety of battery packs need to be equipped.
- an adaptation device which can convert the output voltage of the battery pack into the input voltage required by the electric tool according to the input voltage requirement of the electric tool. And when the voltage output terminal of the battery pack and the voltage input terminal of the electric tool are different types of terminals, the connection between the battery pack and the electric tool can be realized by setting an interface compatible with the battery pack and the electric tool on the adapter device.
- a tool system provided by the present invention includes an electric tool 30 , an adapter device 40 and a battery pack 100 .
- the base 33 of the electric tool 30 is connected to the adapter device 40, and on the side where the base 33 of the electric tool 30 is connected to the adapter device 40, a battery socket 331 is provided, and the opening of the battery socket 331 is arranged on one side of the base 33. And it is located on the side close to the working end of the electric tool 30 .
- On the base 33 located in the opening there is also a limiting slot 333 for limiting the position of the adapter device 40 .
- a guide groove 332 connected with the adapter device 40 is provided on the two side walls adjacent to the opening of the battery socket 331, a guide groove 332 connected with the adapter device 40 is provided. Snap.
- a Type-C port 34 is provided, and the Type-C port 34 is electrically connected to the first port 408 of the adapter device 40, and is a type-C input port of the electric tool 30 .
- the present invention provides a battery pack 100.
- An insertion portion 1101 is provided on the top surface of the battery pack housing 10.
- Slide rails 1102 are provided on both sides of the insertion portion 1101. The slide rails 1102 are used to connect with the adapter device 40.
- one end of the plug-in part 1101 is provided with a terminal 132, which is located between the slide rails 1102 on both sides of the plug-in part 1101.
- the terminal 132 is electrically connected to the adaptable
- the voltage input terminal of the matching device 40, and the terminal 132 is an output terminal.
- the structure of the battery pack is the same as that of the battery pack described above, and will not be described again.
- An adapter device 40 provided by the present invention is arranged between the battery pack 100 and the electric tool 30 for converting the output voltage of the battery pack 100 into the input voltage required by the electric tool 30 .
- the structure of the fitting device 40 provided by the present invention is similar to that of the fitting device in the above-mentioned embodiments.
- the side of the first housing 401 connected to the electric tool 30 is the output part of the adapter device, and the output part includes a The first guide rail 405 and the first interface 408 electrically connected to the Type-C port 34 .
- the first housing 401 is provided with a first protrusion 404
- the top surface of the first protrusion 404 extends out of the sidewall to form a first guide rail 405
- the two first guide rails 405 are arranged parallel to each other.
- the battery socket 331 of the electric tool 30 is allowed to engage with the first protrusion 404
- the guide groove 332 is engaged with the first guide rail 405 .
- a first through hole 407 is also provided on the side wall of the first protrusion 404 , and the first through hole 407 to the first protrusion 404
- the top surface is set at a first distance D1, which is compatible with the distance from the Type-C port 34 on the base 33 of the electric tool 30 to the bottom wall of the battery socket 331, that is, the first distance D1 is equal to the distance from the Type-C port 34 to the battery socket 331 distance from the bottom wall.
- the first interface 408 is disposed in the first concave portion 411 of the first housing 401, and the first interface 408 extends into the first through hole 407, and the first interface 408 is electrically connected to the output end of the circuit board 402 for adapting
- the output interface of the device, the first interface 408 is, for example, a Type-C output interface.
- the button 409 is arranged on one side of the first convex portion 404 and is located on the surface of the first housing 401 , and the button 409 extends into the first concave portion 411 , can be used as a key switch of the circuit board 402.
- a stopper 111 in the above-mentioned embodiment can also be provided to realize the first
- the lock between the housing 401 and the electric tool 30 is realized in the same manner as that shown in the above-mentioned embodiments.
- the second interface 414 on the adapter device 40 is the input interface of the adapter device 40, and the opposite side of the connection between the second housing 403 and the first housing 401 is the input part of the adapter device 40, and the input part includes
- the second interface 414 is electrically connected to the terminal 132 , and the second guide rail 419 is engaged with the slide rail 1102 .
- the first guide rail 405 on the first housing 401 engages with the guide groove 332 of the electric tool 30
- the first The interface 408 is electrically connected to the Type-C port 34
- the second guide rail 419 on the second housing 403 engages with the sliding rail 1102 on the battery pack 100
- the second interface 414 is electrically connected to the terminal 132 of the battery pack 100 .
- the circuit board 402 disposed in the cavity formed by the first recess 411 of the first housing 401 converts the output voltage of the battery pack 100 into the input voltage required by the electric tool 30 .
- the present application does not limit the rated voltage of the electric tool 30.
- the first electric tool has a first rated voltage
- the Type-C port 34 is a first type-C input interface
- the first interface 408 is electrically connected to the first type-C input interface.
- the C input interface converts the output voltage of the battery pack 100 into the first rated voltage
- the first electric tool works with the first rated voltage
- the second electric tool has the second rated voltage
- the Type-C port 34 is the second type-C
- the first interface 408 is electrically connected to the second type-C input interface to convert the output voltage of the battery pack 100 into a second rated voltage
- the second electric tool works at the second rated voltage.
- the control system of the battery pack 100 is the same as the control system of the battery pack in the above embodiment when the battery pack is connected to the electric tool through an adapter .
- the control method of the battery pack 100 includes the following steps: S100: the battery pack 100 is electrically connected to the adapter device 40; S110: Activate the battery pack 100; S120: The battery pack 100 communicates with the adapter device 40 to shake hands; S130: Determine whether the handshake is successful, and if the handshake is successful, execute S140: Enter the discharge mode; otherwise, return to step S120.
- the control method of the battery pack 100 specifically includes: after the battery pack 100 is electrically connected to the adapter device 40, the adapter device 40 activates the battery pack 100 through a COM signal, and the battery pack 100 and the adapter device 40 communicate with each other to shake hands and judge whether the handshake is successful. If the handshake is not successful, the adapter device 40 sends a discharge request through the COM signal. When the battery pack 100 passes the request, the battery pack 100 enters the discharge mode. When the battery pack 100 enters the discharge mode, the main control unit 181 monitors the battery status in real time, including voltage, current and cell temperature, and stops discharging when the voltage or temperature of a single cell is abnormal.
- the main control unit 181 may further include a power calculation module, which will calculate the battery power in real time.
- the first threshold is, for example, 5%.
- the control system of the electric tool 30 includes: a Type-C port 34, and the Type-C port 34 includes VBUS, CC, D+, D- and GND ports, electrically connected to the Type-C port 34
- the second main control unit 368 is electrically connected to the second communication processing unit 366 between the Type-C port 34 and the second main control unit 368, and is electrically connected between the Type-C port 34 and the second main control unit 368
- One end of the discharge protection unit 367 is electrically connected to the discharge protection unit 367 and further connected to the power unit 37 connected to the D+ port, and the other end of the power unit 37 is electrically connected to the D- port.
- the discharge protection unit 367 is used to receive the protection command from the second main control unit 368 to complete the discharge protection of the electric tool 30, and the second communication processing unit 366 completes the communication between the adapter device 40 and For the communication between the electric tools 30 , the second main control unit 368 processes the power on and off instructions provided by the second communication processing unit 366 and the discharge protection unit 367 .
- the control method of the electric tool 30 includes the following steps: S300: connect the electric tool 30 with the adapter device 40; S310: connect the electric tool 30 with the adapter device The matching device 40 performs communication handshake; S320: judge whether the handshake is successful, if the handshake is successful, execute step S330: the electric tool 30 enters the working mode, otherwise return to step S310.
- the electric tool 30 passes Type- The C interface communicates with the adapter device 40 for handshake. If the handshake is not successful, it will always be in the handshake mode. After the handshake is successful, the second main control unit of the electric tool 30 turns on the discharge protection unit and sends a discharge request. After the request is passed, the electric tool 30 enters the Operating mode.
- a charge conversion control system 42 provided by the present invention is arranged between the battery pack 100 and the control system of the electric tool 30 , and the charge conversion control system 42 mainly includes: electrically connected to the second interface 414
- the third communication processing unit 433 is electrically connected to the third main control unit 434 of the third communication processing unit 433, is electrically connected to the full bridge drive unit 437 of the third main control unit 434, and is electrically connected to the second interface 414 and the full bridge power unit 436 of the full bridge drive unit 437, and the fourth communication processing unit 439 electrically connected to the third main control unit 434, and the full bridge power unit 436 and the fourth communication processing unit 439 are electrically connected to first interface 408 .
- the second interface 414 when electrically connecting the control system of the battery pack 100 and the control system of the electric tool 30, the second interface 414 is electrically connected to the terminal 132 of the battery pack 100, and the first interface 408 is connected to the Type-C port 34 of the electric tool 30. electrical connection.
- the second interface 414 in the present invention is the input interface of the charging conversion control system 42, which is connected to the battery pack
- the terminal 132 of 100 is electrically connected, and corresponding to the terminal 132, the second interface 414 includes four ports of P+, CHG, COM and P-, which correspond to the ports of the terminal 132 one by one.
- the CHG port is a charging port
- the P+ and P- ports are used to provide the input voltage of the battery pack 100
- the COM port is used for communication.
- the first interface 408 is the output interface of the charging conversion control system 42, which is electrically connected to the Type-C port 34 of the electric tool 30.
- the first interface 408 includes VBUS, CC, D+, D- and GND ports, and is connected to the Type-C port 34.
- Port 34 has a port-to-port correspondence.
- the D+ and D- ports are used to output the output voltage of the charging conversion control system 42
- the CC port is used for the communication between the charging conversion control system 42 and the electric tool 30
- the GND port is the ground terminal
- the VBUS outputs a constant voltage, which is
- Each module in the electric tool 30 supplies power
- VBUS is, for example, a commonly used 5V voltage.
- the third communication processing unit 433 is electrically connected to the COM port of the second interface 414 and the third main control unit 434 to realize the communication between the battery pack 100 and the adapter device 40 .
- the third communication processing unit 433 is a COM communication processing unit, which matches the COM communication of the battery pack 100 .
- the third main control unit 434 receives signals from various modules and sends out operation instructions.
- One end of the fourth communication processing unit 439 is electrically connected to the third main control unit 434, and the other end is electrically connected to the first interface 408 to realize the communication between the electric tool 30 and the adapter device 40.
- the fourth communication processing unit 439 is a Type-C communication processing unit, which matches the Type-C communication of the electric tool 30 .
- the full bridge drive unit 437 is electrically connected to the third main control unit 434
- the full bridge power unit 436 is electrically connected to the second interface 414 and the full bridge drive unit 437
- the full bridge drive unit 437 and the full-bridge power unit 436 form a step-up/down module
- the information of the input voltage can be obtained according to the communication between the third communication processing unit 433 and the battery pack 100
- the required output can be obtained according to the communication between the fourth communication processing unit 439 and the electric tool 30 Voltage information
- the third main control unit 434 determines the duty ratio of the output PWM signal according to the input voltage and the voltage to be output, and according to the PWM signal sent by the third main control unit 434
- the full bridge drive unit 437 and the full bridge power unit 436 converts the voltage input by the battery pack 100 through the second interface 414 into the voltage required by the electric tool 30 , and outputs it through the first interface 408 .
- the charging conversion control system 42 in the present invention also includes a DC-DC conversion unit 430, the input terminal of which is electrically connected to the second interface 414, specifically, the input terminal of the DC-DC conversion unit 430 is electrically The output end is electrically connected to the third main control unit 434 and each module, and the DC-DC conversion unit 430 converts the input voltage of the second interface 414 into the operating voltage required for the operation of each module.
- the voltage is, for example, 5V.
- the charging conversion control system 42 of the present invention also includes a key activation unit 431, which is a trigger unit, which is connected to the key 409 on the first housing 401, and when it is necessary to start the charging conversion
- a key activation unit 431 which is a trigger unit, which is connected to the key 409 on the first housing 401, and when it is necessary to start the charging conversion
- the third main control unit 434 is turned off by the key activation unit 431 , and then the charging conversion control system 42 is turned off.
- the charge conversion control system 42 in the present invention further includes a total voltage detection unit 432 , one end of the total voltage detection unit 432 is electrically connected to the second interface 414 , specifically, one end of the total voltage detection unit 432 It is electrically connected to the P+ port, and the other end of the total voltage detection unit 432 is electrically connected to the third main control unit 434 .
- the total voltage detection unit 432 detects the output voltage of the battery pack 100, and in the total voltage detection unit 432, the threshold value of the output voltage of the battery pack 100 is used as the second threshold value, and it is judged that the output voltage of the battery pack 100 is Within the second threshold, the judgment result is transmitted to the third main control unit 434, when the output voltage of the battery pack 100 is within the second threshold, voltage conversion can be performed, when the output voltage of the battery pack 100 exceeds the second threshold , voltage conversion is disabled.
- the total voltage detection unit 432 can prevent the battery pack 100 from being over-discharged, and the charge conversion control system 42 from being burned out.
- the charging conversion control system 42 in the present invention also includes a current sampling unit 440, the current sampling unit 440 is electrically connected between the second interface 414 and the first interface 408, and connected in series to the charging conversion control system 42 and electrically connected to the third main control unit 434 .
- one end of the current sampling unit 440 is electrically connected to the P-port, the other end is electrically connected to the D-port, and is also electrically connected to the third main control unit 434; the current sampling unit 440 is used to detect the current in the loop , and transmit the current information in the loop to the third main control unit 434, and when the current in the circuit is abnormal, the voltage conversion process can be terminated.
- the charging conversion control system 42 in the present invention further includes a switch unit 435, the switch unit 435 is electrically connected between the second interface 414 and the first interface 408, and is electrically connected to the third main control The unit 434 , specifically, one end of the switch unit 435 is electrically connected to the P+ port, the other end is electrically connected to the input end of the full-bridge power unit 436 , and is electrically connected to the third main control unit 434 .
- the third main control unit 434 sends a turn-on command
- the switch unit 435 is turned on, the full-bridge power unit 436 has an input voltage, and the charging conversion control system 42 can realize the voltage conversion function.
- the switch unit 435 When the third main control unit 434 sends a turn-off command , the switch unit 435 is turned off, the full-bridge power unit 436 has no input voltage, and the charge conversion control system 42 cannot realize the voltage conversion function. In this application, when the input voltage is over/under voltage, the current is abnormal, the charging and discharging is abnormal, etc., the switch unit 435 is turned off.
- the charge conversion control system 42 in the present invention also includes a second charge and discharge protection unit 438, the second charge and discharge protection unit 438 is connected between the first interface 408 and the full bridge power unit 436, and the electric sexually connected to the third main control unit 434.
- the protection instruction from the third main control unit 434 is received to complete the charging and discharging protection of the circuit.
- the second charge and discharge protection unit 438 is a Type-C charge and discharge protection unit.
- a charge conversion method provided by the present invention specifically includes:
- S4000 activate the charging conversion control system 42 through the key activation unit 431;
- the button activation unit 431 is triggered, and then the third main control unit 434 electrically connected with the button activation unit 431 is activated, and then the charging conversion control system 42 is activated.
- the third main control unit 434 can be turned off through the button activation unit 431 , and then the charging conversion control system 42 can be turned off.
- the switch unit 435 is disposed between the second interface 414 and the first interface 408, and between the second interface 414 and the full-bridge power unit 436. If the switch unit 435 is turned off, voltage conversion cannot be performed.
- S4020 Perform communication handshake through the third communication processing unit 433 and the fourth communication processing unit 439;
- the third communication processing unit 433 is electrically connected to the COM port of the second interface 414, and performs a COM communication handshake with the battery pack 100;
- the fourth communication processing unit 439 is electrically connected to the CC port of the first interface 408, and communicates with the electric Tool 30 performs a CC communication handshake.
- step S4030 Determine whether the handshake is successful, if successful, execute step S4040, otherwise return to step S4020;
- S4040 enter the discharge mode
- entering the discharge mode includes turning on the circuit in the electric tool 30 to enter the working mode; the battery pack 100 enters the discharge mode; the charge conversion control system 42 enters the voltage conversion mode.
- the total voltage detection unit 432 detects the output voltage of the battery pack 100
- the total voltage detection unit 432 is electrically connected to the P+ port of the second interface 414 for detecting the output voltage of the battery pack 100.
- the total voltage detection unit 432 is set with an input voltage threshold of the charging conversion control system 42, for example is the second threshold.
- S4060 is to judge whether the output voltage of the battery pack 100 is over/under voltage
- the total voltage detection unit 432 judges whether the output voltage of the battery pack 100 is within the second threshold of the charging conversion control system 42, and when the output voltage of the battery pack 100 is within the second threshold, step S4070 is executed; otherwise, step S4070 is executed; Step S4170, stop discharging.
- said S406 is to judge whether the output voltage of the battery pack 100 is fully charged
- the electric quantity of the battery pack 100 is not fully charged, That is, when the state of charge SOC ⁇ 100%, execute step S4070, otherwise execute step S4170 to stop charging.
- the third main control unit 434 sends a PWM signal
- the full-bridge drive unit 437 and the full-bridge power unit 436 form a boost module, and according to the output voltage required by the battery pack 100 detected by the total voltage detection unit 432, the third main control unit 434 sends out a voltage with a certain duty cycle.
- the PWM signal controls the voltage output of the full bridge power unit 436 .
- the full-bridge power unit 436 performs voltage conversion to convert the output voltage of the battery pack 100 into the voltage required by the electric tool 30.
- the input voltage, the discharge voltage is the output voltage of the charge conversion control system 42 .
- the third main control unit 434 detects the input voltage, output voltage and loop current of the charging conversion control system 42;
- the third main control unit 434 detects the information in the circuit in real time, including detecting the output voltage of the battery pack 100 through the total voltage detection unit 432, that is, the charging conversion control system 42
- the input voltage of the charging conversion control system 42 is detected by the second charge and discharge protection unit 438 ; and the current of the loop of the charging conversion control system 42 is detected by the current sampling unit 440 .
- the overall voltage detection unit 432 can detect whether the output voltage of the battery pack 100 is abnormal; in the third main control unit 434, according to the voltage required by the electric tool 30, the output voltage of the charging conversion control system 42 can be set.
- the threshold is the second threshold, and the threshold of the loop current in the charge conversion control system 42 is the third threshold; the second charge and discharge protection unit 438 monitors the output voltage of the charge conversion control system 42 in real time, and transmits it to the third main control unit 434.
- step S4110 When the output voltage of the charging conversion control system 42 is within the second threshold, it is considered that no abnormality has occurred; when the output voltage of the charging conversion control system 42 is not within the second threshold, it is considered that an abnormality has occurred; the current sampling unit 440 real-time Monitoring the loop current of the charge conversion control system 42, when the loop current of the charge conversion control system 42 is within the third threshold, it is deemed that no abnormality has occurred, and when the loop current of the charge conversion control system 42 is not within the third threshold, it is considered An exception occurs. When any of the above abnormalities occurs, it is considered that an abnormality has occurred. If there is an abnormality, step S4110 is executed, otherwise step S4140 is executed.
- the third main control unit 434 changes the output voltage and the size of the loop current by adjusting the duty ratio of the PWM signal. During the adjustment process, the third main control unit 434 still monitors the input voltage in the charging conversion control system 42 in real time. , output voltage and loop current.
- step S4120 Record the number of adjustments of the third main control unit 434, and when the number of adjustments of the third main control unit 434 reaches a set number, execute step S4130; wherein, the set number of times is, for example, 5 times.
- S4130 Determine whether the input voltage, output voltage and loop current of the charging conversion control system 42 are abnormal
- step S4140 is executed; otherwise, step S4170 is executed, and the discharge is stopped.
- the adapter device 40 performs turntable interaction with the battery pack 100 through the third communication processing unit 433 .
- step S4160 Determine whether the battery pack 100 has a power cut-off signal, if not, execute step S4140, otherwise execute step S4170.
- the third main control unit 434 sends a signal to the switch unit 435 to stop the operation of the charge conversion control system 42 .
- a charging conversion method provided by the present invention mainly includes: after the adapter device 40 is connected to the battery pack 100 , the charging conversion control of the adapter device 40 can be activated through the button 409 on the adapter device 40 System 42. After the charging conversion control system 42 is activated, it will activate the battery pack 100 through the COM signal and communicate with it to shake hands. After the handshake is successful, the total voltage detection unit 432 detects whether the battery pack 100 is undervoltage. If it is not undervoltage, the battery pack 100 will enter the voltage conversion process. model.
- the control process of the voltage conversion is as follows: the third main control unit 434 sends a PWM signal, the full bridge drive unit 437 provides a suitable output voltage, the third main control unit 434 monitors the parameters in the voltage conversion process, and the parameters in the voltage conversion process
- the parameters in the process generally include loop current, input voltage and output voltage, and the parameter range can be set according to the needs. When the parameters in the voltage conversion process exceed the preset parameter range, it is considered abnormal, and can be adjusted according to the preset logic
- the charging/discharging voltage and charging/discharging current are dynamically adjusted, and the number of adjustments can be one or more times, and the specific number of times can be set according to needs, and in this embodiment, it is 5 times. After adjustment, continue to detect the parameters in the voltage conversion process.
- the discharge will be stopped. If there is no abnormality, the voltage conversion will be performed normally.
- the battery pack 100 and the adapter device 40 exchange data in real time through communication, and the battery pack 100 will stop discharging when it sends out a discharge cut-off signal. In this embodiment, when the state of charge SOC of the battery pack 100 is equal to the first threshold, the battery pack sends a discharge cutoff signal.
- the adapter device and tool system of the present invention can convert the output voltage of the battery pack into the input voltage required by the electric tool, and detect the battery pack, the adapter device and the power tool in real time during the discharge process.
- the charging conversion method is executed according to the technical parameters, and the input/output power is dynamically adjusted, which can effectively protect the safety of the battery pack, the adapter device and the electric tool, and prolong the service life of the battery pack and the electric tool.
- the multi-slot charger 600 includes a body 60, the The body 60 is provided with a plurality of battery pack accommodating parts 621, and each of the battery pack accommodating parts 621 is provided with a first mating interface, and the first mating interface is used to cooperate with the first mating interface on each of the battery packs. 2 Cooperate with the interface for installation.
- the body 60 includes a charging case 61 , a charging case 62 and a case cover 63 , the charging case 62 is located in the charging case 61 , and the top is sealed by the case cover 63 .
- the charging box 62 includes a plurality of battery pack accommodating parts 621, and the plurality of battery pack accommodating parts 621 are distributed in a rectangular shape, and the number of the battery pack accommodating parts 621 is set to 2 or 4 , 6, 8 or 10 cavities, in this embodiment, the number is preferably 6 and distributed in a rectangular shape, and one of the plurality of rectangularly distributed battery pack accommodating parts 621 on the charging box 62 There are gaps between them to facilitate heat dissipation.
- the battery pack accommodating portion 621 is provided with a charging interface 622 and a battery pack ejection mechanism, preferably, the battery pack ejection mechanism is located in the battery pack accommodating portion 621, the charging interface 622 is located on one side of the bottom of the battery pack accommodating portion 621, specifically, the charging interface 622 is a Type-C interface, and the middle position of the bottom of the battery pack accommodating portion 621 faces The lower recess forms an ejection mechanism installation cavity 624, and the battery pack ejection mechanism is installed in the ejection mechanism installation cavity 624.
- the battery pack ejection structure includes a spring 6231 and a bottom bracket 6232, and the spring One end of 6231 is connected to the bottom of the battery pack accommodating part 124, and the other end is connected to the bottom of the bottom bracket 6232, and the charging interface 622 is connected to the Type-C interface 122 at the bottom of the battery pack, and is limited by
- the mechanism 64 locks the battery pack for charging.
- the limit mechanism 64 is installed on the top edge of the battery pack accommodating portion 621, and each battery pack accommodating portion 621 corresponds to a limit mechanism 64 and a battery pack ejection mechanism 12.
- the limiting mechanism 64 includes a mounting base 641, a limiting member 642, a rotating shaft 643 and a torsion spring 644, and the mounting base 641 is installed in the battery pack.
- the top edge of the part 621, the rotating shaft 643 is installed on the mounting seat 641, the stopper 642 is connected to the rotating shaft 643, the torsion spring 644 is sleeved on the rotating shaft 643, when the battery is installed
- the limiting member 642 is pressed and rotates with the rotating shaft 643, the torsion spring 644 is compressed until the battery pack is installed in place for charging, the limiting member 642 is twisted Reset under the action of the spring 644, and match with the limiting groove 722 on the side of the battery pack housing to lock the battery pack, when the battery pack is to be taken out, press the limiting member 642, so that the The limiting member 642 is disengaged from the limiting slot 722 and loses its limiting function
- the multi-slot charger 600 further includes a case cover 63 , one side of the case cover 63 is connected to the charging case 61 through a hinge 601 , The other end is provided with a locking structure to lock the charging case 61 and the box cover 63 together. And in this embodiment, there is a gap between the bottom of the charging box 62 and the bottom of the charging case 61, and a circuit board (not shown in the figure) is installed in the gap, and the circuit board and each It is electrically connected to the charging interface 622 at the bottom of each battery pack accommodating portion 621.
- the charging case 61 is arranged in a rectangular shape, for example, and the two short sides of the rectangular charging case 61 are arranged from the charging case 61 The gap formed from the top to the bottom, and the depths of the gaps on the two short sides are different.
- the deeper gap is defined as the first gap 611
- the shallower gap is defined as the second gap 612
- the first notch 611 and the second notch 612 on the two short sides of the casing 61 are for heat dissipation.
- a cooling fan 613 is installed at a deep notch on the charging case 61 , and the top of the cooling fan 613 is in contact with the top of the charging case 61 .
- the tops are flush with each other.
- the heat dissipation fan 613 is installed on the first notch 611 to realize heat dissipation through the action of the heat dissipation fan 613 .
- heat dissipation windows 614 are installed on opposite sides of the charging case 61, specifically, the heat dissipation windows 614 are installed in the first notch 611 and the second notch respectively. 612 , and the heat dissipation fan 613 is located in the heat dissipation window 614 , so as to protect the heat dissipation fan 613 and at the same time cover the first gap 611 .
- a power interface 615 is installed on the charging case 61, the power interface 615 includes an input end and an output end, and the input end is connected to an external power supply , the output terminal is electrically connected to the charging interface 622 .
- the power interface 615 is connected to the circuit board between the bottom of the charging box 62 and the bottom of the charging case 61.
- the power interface 615 is preferably located below the cooling fan 613, and the The power interface 615 is fixedly installed on the bottom of the heat dissipation window 614 and connected to an external power supply.
- the two long sides of the rectangular charging case 61 are provided with handles 616 for easy transportation.
- the first mating interface includes a raised structure 6211 and a plurality of guide rails 6212, and the plurality of guide rails 6212 are respectively located on the raised Lift both sides of structure 6211.
- the second mating interface includes a groove structure 723 and a plurality of sliding grooves 724, and the plurality of sliding grooves 724 are respectively located on both sides of the groove structure 723, when the battery pack is installed on the battery pack
- the groove structure 723 cooperates with the protrusion structure 6211
- the slide groove 724 cooperates with the guide rail 1211 .
- the protruding structure 6211 and the groove structure 723 are equivalent to the mutual cooperation between the slider and the sliding rail, and the mutual cooperation between the guide rail 6212 and the sliding groove 724, so as to play a guiding role, so as to be able to
- the Type-C interface 122 at the bottom of the battery pack is smoothly and accurately connected to the charging interface 622 at the bottom of the battery pack accommodating portion 621 for charging.
- the multi-slot charger 600 includes an AD-DC module, multiple DC-DC modules, multiple charging interfaces 622 and control and protocol modules, each battery pack
- the accommodating part 621 corresponds to one DC-DC module 1003 and one charging interface 622.
- the number of the DC-DC module and multiple charging interfaces 622 is set to 6, for example, that is, the AD-DC modules are respectively Connect 6 DC-DC modules, each DC-DC module is connected to a charging interface 622, the control and protocol module is connected to each DC-DC module and charging interface 622, and the AD-DC module is used for Convert alternating current to direct current, and the DC-DC module is used to give the appropriate charging voltage according to the signal of the control chip; the control and protocol module is used for the control of the entire charging system, protocol analysis and charging control of each Type-C port, multi-slot
- the charger judges whether there is a battery pack connected according to the CC signal of the Type-C connector, and can determine which battery pack is connected.
- Each Type-C port corresponds to a DC-DC module. After the handshake is successful through the CC signal, the corresponding The DC-DC module enables the battery to be charged through Type-C.
- each of the battery packs corresponds to a battery pack accommodating portion 621.
- the battery pack is provided with a Type-C interface, and the inside is provided with a battery pack.
- the Type-C power supply circuit is the entire charging/discharging circuit from the Type-C interface to the battery pack. Multiple batteries inside the battery pack form the battery pack circuit.
- the charging/discharging circuit can be set to Control the switch, so as to realize the activation or deactivation function of the Type-C power supply circuit.
- the multi-slot charger can determine which port has a battery pack connected to it through the CC signal, and activate the connected battery pack through the CC signal. After the battery pack is activated, it will communicate with the multi-slot charger through the CC signal. The communication handshake is performed, and the corresponding DC-DC module 1003 will be turned on only after the handshake is successful, so as to realize the charger for the battery.
- the battery pack charging control process is as follows:
- the CC signal will activate the battery pack. After the battery pack is activated, it will perform a charging handshake with the multi-slot charger. After the handshake is successful, it will enter the charging management mode;
- the main control unit 180 When the battery enters the charging management mode, the main control unit 180 will send a PWM control signal to the full-bridge driving unit 1601, and the full-bridge driving unit 1601 will provide an appropriate charging voltage according to the PWM signal;
- the main control unit 180 monitors the discharge voltage VBUS, VIN and charging current in real time;
- the main control unit 180 When the charging voltage and charging current are abnormal, the main control unit 180 will adjust in real time. After 5 adjustments, it will judge whether there is still an abnormality. If it is abnormal, stop charging, otherwise it will charge normally;
- the main control unit 180 monitors the battery status in real time, including voltage, current and battery temperature, and will stop charging when there is an abnormal voltage or temperature of a single battery cell, otherwise, it will charge normally;
- the present invention proposes a multi-slot charger and a charging system, the multi-slot charger, the multi-slot charger includes a charging casing and a charging box, the charging box is located in the charging casing, and the charging box It includes a plurality of battery pack accommodations distributed in a rectangular shape to accommodate multiple battery packs at the same time, so that multiple battery packs can be charged at the same time, and at the same time, the battery pack can be portable, moved and stored, which shortens the charging time and effectively improves the battery life. work efficiency.
- the present invention proposes a backpack battery pack 800 , including a strap 81 , and a backpack housing 80 mounted on the strap 81 , in which a battery pack is installed, and is connected to the backpack through a charging interface 12 . External device connection.
- the backpack shell 80 includes a back shell 801 and a front shell 802, and the back shell 801 and the front shell 802 are fixed
- the connection forms a housing cavity, and the battery cell assembly and the circuit board are installed in the housing cavity, and the battery cells in the battery cell assembly are electrically connected to the circuit board, and the battery assembly includes a plurality of battery cells, A plurality of the battery cells are installed in the battery cell bracket, and the battery cell bracket is located in the backpack housing 80 .
- the strap 81 is installed on one side of the backpack shell 80, specifically, on the back shell 801, for connecting backpack personnel .
- the strap 81 includes a shoulder strap 811 and a waist belt 812, the shoulder strap 811 is installed on the back shell 801 near the two sides, and along the height direction of the backpack shell 80 Arranged for connecting the shoulders of the backpacker, the waist belt 812 is installed on the side of the back shell 801 close to the bottom surface for connecting the waist of the backpacker.
- a sliding adjustment groove is provided on the side of the backpack shell 80 where the strap 81 is installed, and the sliding adjustment groove includes at least two slide grooves 813, and the slide grooves 813 are along the The height direction of the backpack shell 80 is arranged, and the two slide grooves 813 are spaced apart and arranged parallel to each other.
- a slider is arranged on the side where the waist belt 812 is connected to the back shell 801 . The slider is matched with the sliding groove 813, and the height adjustment of the waist belt is realized by sliding the slider on the sliding groove 813.
- a display device 803 is installed on the backpack shell 80, and the display device 803 is located opposite to the side of the backpack shell 80 where the strap 81 is installed.
- the display device 803 is installed on the front housing 802 , specifically, the display device 803 is preferably located in the middle of the front housing 802 .
- the display device 803 is used to display the remaining power and/or voltage and/or current and/or cell temperature and/or failure of the battery pack.
- the display device 803 can also display the operating parameters of the electric tool, such as the speed of the motor and so on.
- the display device 803 is preferably an LCD display, but should not be limited thereto.
- the bottom surface of the backpack case 80 is set as a horizontal structure, so as to facilitate the placement of the battery pack, and a handle 83 is installed on the top of the backpack case 80,
- the handle 83 and the backpack shell 80 are preferably integrally formed to facilitate handling and carrying.
- the battery pack further includes a charging interface 12, the charging interface 12 is installed on the circuit board and electrically connected to the circuit board, and the charging interface 12
- the charging interface 12 is located on the side of the backpack casing 80 , preferably, the charging interface 12 is located on the side of the backpack casing 80 close to the bottom surface.
- the charging interface 12 is set as a Type-C interface, and its number is preferably two, and the two Type-C interfaces are respectively located on both sides of the backpack housing 80, that is, when the backpack When the person puts on the battery pack, the two Type-C interfaces are respectively close to the left and right arms of the backpacker for ease of use.
- the two Type-C interfaces can be respectively connected to different electric devices, such as the first electric tool 3001 and the second electric tool 3002, to perform different functions, thereby improving work efficiency.
- the first electric tool 3001 and the second electric tool 3002 are similar to the electric tools in the above embodiments, and include functional modules that perform corresponding functions, and the functional modules are driven by the battery pack in the above embodiments.
- the charging interface 12 includes a first Type-C interface and a second Type-C interface, the first Type-C interface is connected with a first electric tool 3001, and the first electric tool 3001
- the tool 3001 has a first rated voltage
- the second Type-C interface is connected to a second electric tool 3002
- the second electric tool 3002 has a second rated voltage
- the difference between the first rated voltage and the second rated voltage is may be the same or different, and the first electric tool 3001 and the second electric tool 3002 may or may not be used at the same time.
- the backpack battery pack can also provide power for mobile phones, notebook computers, wearable smart devices, etc. through the Type-C interface on the backpack battery pack.
- FIG. 800 Another embodiment of the present invention discloses a charging and discharging combination, including: a backpack-type battery pack 800 , an access device is detachably connected to the backpack-type battery pack 800 , and the access device can charge the backpack-type battery pack 800 /discharge;
- Backpack Battery Pack 800 includes:
- Backpack housing 80 which is provided with a battery cell assembly 120 and a control system for charging and discharging;
- Straps 81 installed on one side of the backpack shell 80;
- each Type-C interface 122 is arranged on the backpack shell 80;
- the charging and discharging control system is connected in series between the battery cell assembly 120 and each Type-C interface 122, and is used to detect the device type of the connected device on each Type-C interface 122, and perform a check on the backpack battery pack 800 according to the device type.
- Charge/discharge; device types include charging devices and discharging devices.
- the access device is provided with at least one Type-C interface, and each Type-C interface of the access device matches each Type-C interface 122 of the battery pack, and is a male and female head; in addition, the access device can also The plug-in piece is provided, and the access device can also charge/discharge the battery pack through the plug-in piece.
- the plug-in piece electrically connected to each other and the power supply terminal 132 of the backpack battery pack are also male and female.
- the access equipment includes:
- At least one charging device At least one charging device
- the discharge device includes a first tool 3001 and a second tool 3002;
- the backpack battery pack 800 When the backpack battery pack 800 is connected with the first tool 3001 and the second tool 3002 , the backpack battery pack 800 outputs the first voltage to the first tool 3001 and the second voltage to the second tool 3002 at the same time.
- access devices include:
- At least one charging device At least one charging device
- the discharge device comprises a first tool 3001 or a second tool 3002;
- the backpack battery pack 800 When the backpack battery pack 100 is connected with the first tool 3001 or the second tool 3002 , the backpack battery pack 800 outputs the first voltage to the first tool 3001 , or outputs the second voltage to the second tool 3002 .
- the first voltage and the second voltage are determined according to parameter values of the discharge device.
- the knapsack battery pack is provided with a charging and discharging control system, which is similar to the charging and discharging system of the battery pack in the above embodiment, and its charging and discharging methods are also similar, and will not be repeated again.
- the invention supports the USB PD fast charging protocol, can detect the device type of the connected device on the Type-C interface in real time, and can charge/discharge the backpack battery pack according to the device type, and can not only perform fast charging through the Type-C interface, but also Fast discharge for access devices with Type-C interface, and the charging/discharging power can be adjusted according to the access devices within a certain range.
- the technical parameters of the backpack battery pack are detected in real time, and the charging/discharging protection logic is executed according to the technical parameters, and the input/output power is dynamically adjusted, which can effectively protect the safety of the backpack battery pack and prolong the service life of the backpack battery pack .
- the invention proposes a backpack battery pack and electric tool system.
- the battery pack shell is provided with a strap. When the battery pack needs to be carried to work outdoors, the battery pack can be carried by the strap, which is convenient and labor-saving.
- the backpack battery pack There are multiple Type-C interfaces on the phone, which can charge and discharge at the same time. And each Type-C interface can be connected to different electric tools or chargers to improve work efficiency and charging efficiency.
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Abstract
Description
Claims (20)
- 一种电池包,其特征在于,包括:电池包壳体,其内安装有电芯组件和电路板,所述电路板与所述电芯组件之间电性连接;多个Type-C接口,安装在所述电路板上,且与所述电路板电性连接,以实现电芯组件与Type-C接口之间的电性连接,并用于连接外部设备。
- 根据权利要求1所述的电池包,其特征在于,所述电池包壳体的上壳体上设置有限位件安装槽,所述限位件安装槽内安装有限位件,并通过安装槽盖进行密封。
- 根据权利要求2所述的电池包,其特征在于,所述限位件包括限位按压部和限位柱,当所述电池包连接所述外部工具时,所述限位柱用于实现所述电池包与所述外部工具之间的固定连接,所述限位按压部用于供操作者操作,以将所述电池包与外部工具解锁分离。
- 根据权利要求3所述的电池包,其特征在于,所述电池包壳体上还设有显示装置,所述显示装置用于显示电池包的剩余电量和/或电压和/或电流和/或电芯温度和/或故障。
- 根据权利要求1所述的电池包,其特征在于,所述电池包还包括供电端子,安装在所述电路板上,并与所述电路板电性连接。
- 根据权利要求1所述的电池包,其特征在于,所述壳体上设置有插接口,所述Type-C接口位于所述插接口内,所述插接口处设置有防护盖。
- 根据权利要求6所述的电池包,其特征在于,所述防护盖为防护塞,所述防护塞的一端插入所述Type-C接口内,与所述Type-C接口相匹配,另一端与所述插接口相匹配。
- 根据权利要求6所述的电池包,其特征在于,所述防护盖为旋转防护盖,所述旋转防护盖与所述Type-C接口相匹配,且所述旋转防护盖的一端通过一旋转轴与所述电池包壳体转动连接。
- 根据权利要求6所述的电池包,其特征在于,所述防护盖为防护滑盖,与所述Type-C接口相匹配。
- 根据权利要求1所述的电池包,其特征在于,所述Type-C接口至少包括第一Type-C接口和第二Type-C接口,所述第一Type-C接口和所述第二Type-C接口分别装配在所述电路板上,且与所述电路板电连接。
- 根据权利要求10所述的电池包,其特征在于,所述电池包壳体的顶部上设置有一插接部,所述插接部的两侧设置有滑轨。
- 根据权利要求11所述的电池包,其特征在于,所述电池包壳体的顶部安装有端子接口,所述端子接口位于所述滑轨之间,且所述端子接口与所述电路板电性连接。
- 根据权利要求11所述的电池包,其特征在于,所述第一Type-C接口和所述第二Type-C接口位于所述插接部的两侧或同一侧。
- 根据权利要求11所述的电池包,其特征在于,所述第一Type-C接口和所述第二Type-C接口位于所述插接部的顶面。
- 根据权利要求10所述的电池包,其特征在于,所述第一Type-C接口和所述第二Type-C接口位于所述电池包壳体的同一侧或两侧。
- 根据权利要求11所述的电池包,其特征在于,所述电池包壳体包括上壳体和下壳体,所述上壳体与所述下壳体固定连接,且所述插接部位于所述上壳体的顶面。
- 根据权利要求16所述的电池包,其特征在于,所述下壳体与上壳体连接的边缘设置有一圈密封槽,所述密封槽内安装有密封圈,当所述下壳体与所述上壳体固定装配时,所述密封圈在所述上壳体与所述下壳体的挤压下变形以填充所述上壳体与所述下壳体之间的间隙形成密封。
- 一种电动工具系统,其特征在于,包括电池包和电动工具,所述电动工具包括执行相应功能的功能模块,多个工具Type-C接口,设置在所述电动工具上;所述电池包包括:所述电池包包括电池包壳体,其内安装有电芯组件和电路板,所述电路板与所述电芯组件之间电性连接;多个Type-C接口,安装在所述电路板上,且与所述电路板电性连接,以实现电芯组件与Type-C接口之间的电性连接,并用于连接外部设备;当所述电池包与所述电动工具连接时,所述多个电池包Type-C接口与所述多个工具Type-C接口连接,所述电池包向所述电动工具输出能量,以驱动所述功能模块工作。
- 根据权利要求18所述的一种电动工具系统,其特征在于,所述电动工具为打草机、修枝机、吹风机、链锯、推草机、清洗机、吸尘器、电钻、电锤、坐骑式割草机、智能割草机、智能清洁设备中的一种。
- 一种充电系统,其特征在于,包括:电池包,所述电池包包括电池包壳体,其内安装有电芯组件和电路板,所述电路板与所述电芯组件之间电性连接;多个Type-C接口,安装在所述电路板上,且与所述电路板电性连接,以实现电芯组件与Type-C接口之间的电性连接,位于所述电池包壳体上的插接口内,并用于连接外部设备;充电器,所述充电器包括充电器壳体,其内安装有第一电路板,所述充电器壳体上设置有第一充电接口,所述第一充电接口与所述第一电路板电性连接;当所述充电器为所述电池包充电时,所述第一充电接口和所述Type-C接口电性连接。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017189786A1 (en) * | 2016-04-26 | 2017-11-02 | Black & Decker Inc. | Cordless power tool and multi-purpose battery pack system |
CN207868253U (zh) * | 2018-03-02 | 2018-09-14 | 东莞市倍励达数码科技有限公司 | 一种多功能摄像机电池 |
CN208539628U (zh) * | 2018-08-14 | 2019-02-22 | 深圳快门摄影器材有限公司 | 一种用于具有d-tap母座的摄像机电池转换器 |
CN112259866A (zh) * | 2020-11-06 | 2021-01-22 | 格力博(江苏)股份有限公司 | 电池包、电动工具及系统 |
CN214797631U (zh) * | 2020-11-06 | 2021-11-19 | 格力博(江苏)股份有限公司 | 电池包、电动工具及供电系统 |
CN215070214U (zh) * | 2021-07-07 | 2021-12-07 | 格力博(江苏)股份有限公司 | 一种防水电池包 |
-
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-
2023
- 2023-11-27 US US18/519,071 patent/US20240088506A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017189786A1 (en) * | 2016-04-26 | 2017-11-02 | Black & Decker Inc. | Cordless power tool and multi-purpose battery pack system |
CN207868253U (zh) * | 2018-03-02 | 2018-09-14 | 东莞市倍励达数码科技有限公司 | 一种多功能摄像机电池 |
CN208539628U (zh) * | 2018-08-14 | 2019-02-22 | 深圳快门摄影器材有限公司 | 一种用于具有d-tap母座的摄像机电池转换器 |
CN112259866A (zh) * | 2020-11-06 | 2021-01-22 | 格力博(江苏)股份有限公司 | 电池包、电动工具及系统 |
CN214797631U (zh) * | 2020-11-06 | 2021-11-19 | 格力博(江苏)股份有限公司 | 电池包、电动工具及供电系统 |
CN215418445U (zh) * | 2020-11-06 | 2022-01-04 | 格力博(江苏)股份有限公司 | 电池包、供电系统及工具系统 |
CN215911524U (zh) * | 2020-11-06 | 2022-02-25 | 格力博(江苏)股份有限公司 | 一种电动工具系统 |
CN215070214U (zh) * | 2021-07-07 | 2021-12-07 | 格力博(江苏)股份有限公司 | 一种防水电池包 |
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