CN214797631U - Battery pack, electric tool and power supply system - Google Patents

Battery pack, electric tool and power supply system Download PDF

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Publication number
CN214797631U
CN214797631U CN202121186384.2U CN202121186384U CN214797631U CN 214797631 U CN214797631 U CN 214797631U CN 202121186384 U CN202121186384 U CN 202121186384U CN 214797631 U CN214797631 U CN 214797631U
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CN
China
Prior art keywords
interface
type
battery pack
power supply
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121186384.2U
Other languages
Chinese (zh)
Inventor
刘传君
罗明
李保安
庄宪
严安
霍晓辉
李志远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Globe Jiangsu Co Ltd
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Globe Jiangsu Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202011228201.9A external-priority patent/CN112259866A/en
Application filed by Globe Jiangsu Co Ltd filed Critical Globe Jiangsu Co Ltd
Application granted granted Critical
Publication of CN214797631U publication Critical patent/CN214797631U/en
Priority to PCT/CN2022/087124 priority Critical patent/WO2022247517A1/en
Priority to EP22810250.5A priority patent/EP4350866A1/en
Priority to AU2022282142A priority patent/AU2022282142A1/en
Priority to CA3220576A priority patent/CA3220576A1/en
Priority to US18/519,071 priority patent/US20240088506A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • 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
    • H01M10/4285—Testing apparatus
    • 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
    • H01M10/44—Methods for charging or discharging
    • H01M10/446—Initial charging measures
    • 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
    • H01M10/44—Methods for charging or discharging
    • H01M10/448—End of discharge regulating measures
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • 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
    • 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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model discloses a battery pack, an electric tool and a power supply system, wherein the battery pack comprises a battery pack shell, which comprises a first shell and a second shell, the first shell and the second shell are fixedly connected and form an accommodating cavity, an electric core component and a circuit board are arranged in the accommodating cavity, and the circuit board is electrically connected with the electric core component; the inserting part is arranged on the top surface of the shell; the first power supply terminal is arranged on the inserting end of the inserting part and electrically connected with the circuit board and used as a discharging port; the first Type-C interface is arranged on the inserting end of the inserting part and electrically connected with the circuit board, and the first Type-C interface is used as a communication port. The utility model discloses a when battery package accessible first power supply terminal discharges to electric tool to communicate with electric tool's master control through first Type-C interface, realize the controllable control of whole discharge process and the protection to the battery package.

Description

Battery pack, electric tool and power supply system
Technical Field
The utility model relates to a battery package technical field, in particular to battery package, electric tool and power supply system.
Background
The garden tool is a maintenance device for greening landscapes of human beings, takes maintenance of lawns, hedges, protection of flowers and plants and trees as operation objects, and replaces most of mechanized electric tools represented by manual labor.
In recent years, with the development of battery material technology, the application range of lithium batteries has been greatly increased. The garden instrument product on the existing market has used a large amount, and the application mode is that copper pipe connection terminal gives corresponding garden instrument power supply, and current electricity discharge interface and function singleness are discharging the in-process, no matter whether there is unusual trouble or battery when undervoltage in the circuit that discharges of battery package, still discharge to garden instrument, can not effectual protection battery package.
In view of the above problems, it is desirable to provide a battery pack, an electric tool and a power supply system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings in the prior art, an object of the present invention is to provide a battery pack, an electric tool and a power supply system, which are used to solve the problem of the prior art that the battery pack is damaged due to the single discharge interface and function.
In order to achieve the above objects and other related objects, the present invention provides a battery pack, including:
the battery pack comprises a battery pack shell, a first shell and a second shell, wherein the first shell and the second shell are fixedly connected to form an accommodating cavity, an electric core assembly and a circuit board are arranged in the accommodating cavity, and the circuit board is electrically connected with the electric core assembly;
the inserting part is arranged on the top surface of the shell;
the first power supply terminal is arranged on the inserting end of the inserting part and electrically connected with the circuit board and used as a discharging port;
the first Type-C interface is arranged on the insertion end of the insertion part and is electrically connected with the circuit board, and the first Type-C interface is used as a communication port;
the battery pack can be inserted into a battery plug interface of the electric tool through the plug part, discharges electricity to the electric tool through the first power supply terminal, and communicates with a tool side main control of the electric tool through the first Type-C interface.
In an embodiment of the present invention, the first power supply terminal includes a first discharge port P + and a first discharge port P-, and the first Type-C interface is located between the first discharge port P + and the first discharge port P-.
In an embodiment of the present invention, the two sides of the insertion portion are provided with slide rails.
In an embodiment of the present invention, the top of the battery pack is provided with a locating part, the locating part is located one side of the insertion part far away from the insertion end, the locating part includes a spacing main body part and a spacing protruding part and a spacing pressing part which are integrally formed at two ends of the spacing main body part.
In an embodiment of the present invention, the top of the battery pack is further provided with a spacing mounting groove for mounting the limiting member and a mounting groove cover for covering the spacing mounting groove, the mounting groove cover is provided with a first opening and a second opening for extending the spacing protruding portion and the spacing pressing portion.
In an embodiment of the present invention, an elastic element is disposed between the position-limiting member and the bottom of the position-limiting mounting groove.
The utility model discloses an in the embodiment, the middle part of spacing mounting groove is provided with spacing installation lug, the middle part of spacing main part seted up with spacing installation lug matched with spacing perforating hole, the locating part passes through spacing perforating hole cover is located on the spacing installation lug.
In an embodiment of the present invention, the first Type-C interface is located between the first power supply terminals.
The utility model discloses an in the embodiment, first Type-C interface still regards as the auxiliary power port, the battery package passes through first Type-C interface does electric tool's instrument side master control and MOS drive unit provide the activated power.
In order to achieve the above and other related objects, the present invention further provides a power tool powered by a battery pack, the battery pack including a battery pack housing, a plug portion disposed on the battery pack housing, and a first power supply terminal and a first Type-C interface disposed on an insertion end of the plug portion, the battery pack housing including a first housing and a second housing, the first housing and the second housing being fixedly connected to form a receiving cavity, the power tool comprising:
a tool body;
the battery socket is arranged on the tool body;
the second Type-C interface is arranged at the bottom end of the battery socket and is used as a communication port, and the second Type-C interface is used for being connected with the first Type-C interface;
and the second power supply terminal is arranged at the bottom end of the battery socket and is used for being connected with the first power supply terminal.
In an embodiment of the present invention, the electric tool includes one of a grass trimmer, a pruner, a blower, a chain saw, a grass pusher, a cleaning machine, a dust collector, an electric drill, an electric hammer, a riding mower, an intelligent mower, and an intelligent cleaning device.
In an embodiment of the present invention, a guide groove is disposed on a side wall of the battery socket.
In an embodiment of the present invention, the end of the bottom of the battery socket near the insertion end is provided with a limiting slot.
In an embodiment of the present invention, the second power supply terminal includes a second P + terminal and a second P-terminal matched with the terminals of the first power supply terminal.
In an embodiment of the present invention, the second Type-C interface is located between the second power supply terminals.
The utility model discloses an in the embodiment, the second Type-C interface still regards as auxiliary power input port, the battery package through the second Type-C interface come to the instrument side master control of electric tool and MOS drive unit provide the power.
In order to achieve the above and other related objects, the present invention provides a power supply system, which includes an electric tool and a battery pack adapted to each other;
the battery pack comprises a battery pack shell, a plug-in part, a first power supply terminal and a first Type-C interface, wherein the battery pack shell comprises a first shell and a second shell, the first shell is fixedly connected with the second shell to form a containing cavity, a battery pack assembly and a circuit board are arranged in the containing cavity, the circuit board is electrically connected with the battery pack assembly, the plug-in part is arranged on the top surface of the shell, the first power supply terminal is arranged on the plug-in end of the plug-in part and electrically connected with the circuit board, the first Type-C interface is arranged on the plug-in end of the plug-in part and electrically connected with the circuit board, the first power supply terminal serves as a discharge port, and the first Type-C interface serves as a communication port;
the electric tool is provided with a battery plug interface, a second Type-C interface and a second power supply terminal, wherein the second Type-C interface and the second power supply terminal are arranged at the bottom end of the battery plug interface;
when the battery pack is inserted into the battery insertion port through the insertion part, the first power supply terminal is connected with the second power supply terminal, the first Type-C interface is connected with the second Type-C interface, the battery pack supplies power to the electric tool, and the battery pack and the electric tool communicate through the first Type-C interface and the second Type-C interface.
In an embodiment of the present invention, a guide groove is provided on a side wall of the battery socket, and two sides of the socket are provided with a slide rail matching with the guide groove.
In an embodiment of the present invention, the electric tool includes one of a grass trimmer, a pruner, a blower, a chain saw, a grass pusher, a cleaning machine, a dust collector, an electric drill, an electric hammer, a riding mower, an intelligent mower, and an intelligent cleaning device.
In an embodiment of the present invention, a limiting part is disposed at the top of the battery pack, and the limiting part includes a limiting main body part and an integrally formed limiting protrusion part and a limiting pressing part disposed at two ends of the limiting main body part; and one end of the bottom of the battery socket, which is close to the insertion end, is provided with a limiting clamping groove matched with the limiting bulge.
In an embodiment of the present invention, the top of the battery pack is provided with a spacing mounting groove for mounting the limiting member and a mounting groove cover for covering the spacing mounting groove, the mounting groove cover is provided with a first opening and a second opening for extending the spacing protruding portion and the spacing pressing portion.
In an embodiment of the present invention, an elastic element is disposed between the position-limiting member and the bottom of the position-limiting mounting groove.
The utility model discloses an in the embodiment, the middle part of spacing mounting groove is provided with spacing installation lug, the middle part of spacing main part seted up with spacing installation lug matched with spacing perforating hole, the locating part passes through spacing perforating hole cover is located on the spacing installation lug.
In an embodiment of the present invention, the first power supply terminal includes a first P + terminal and a first P-terminal; the second power supply terminal includes a second P + terminal and a second P-terminal that match the respective terminals of the first power supply terminal.
In an embodiment of the present invention, the first Type-C interface is located between the first power supply terminals; the second Type-C interface is located between the second power supply terminals.
The utility model discloses an in an embodiment, first Type-C interface still regards as auxiliary power source port, second Type-C interface still regards as auxiliary power input port, the battery package passes through first Type-C interface does electric tool's instrument side master control and MOS drive unit provide the activated power.
The utility model discloses a when battery package accessible first power supply terminal discharges to electric tool to main control and MOS driven power through first Type-C interface control electric tool realize the controllable control of whole discharge process and the protection to the battery package.
Drawings
Fig. 1 is a schematic structural diagram of an electric tool and a battery pack of a power supply system according to the present invention.
Fig. 2 shows a simplified schematic block diagram of the power tool and the battery pack of the power supply system of the present invention.
Fig. 3 is a schematic perspective view of the power supply system of the power tool of the present invention.
Fig. 4 is a bottom view of the power tool of the power supply system of the present invention.
Fig. 5 is a schematic perspective view of a battery pack of the power supply system according to the present invention.
Fig. 6 is an exploded view of the battery pack according to the present invention.
Fig. 7 is a block diagram of a circuit structure of the power supply system of the present invention.
Fig. 8 is a schematic diagram illustrating a discharging process of the power supply system according to the present invention.
A battery pack 100; an upper case 11; an activation unit 110; a plug-in part 1101; a slide rail 1102; a stopper 111; a limiting pressing part 1111; a limit projection 1112; a limiting through hole 1115; a limit mounting groove 112; a mounting slot cover 1121; a first opening 1122; a second opening 1123; a limit mounting lug 1124; a Type-C interface 113; a lower case 12; an electric core assembly 120; a first Type-C interface 122; a circuit board 13; a first DC-DC unit 1301; a terminal mounting hole 131; a first power supply terminal 132; a cell support 14; a detection unit 170; a first main control unit 1801; a first Type-C communication processing unit 192; a power tool 30; a tool body 31; a handle 32; a base 33; a battery jack 331; the guide groove 332; a limit clamp slot 333; a second Type-C interface 34; a second power supply terminal 35; a second master control unit 361; a MOS drive unit 362; a power MOS unit 363; a second Type-C communication processing unit 364; a second DC-DC unit 365; a motor 37; a switch 38.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Please refer to fig. 1-8. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
As shown in fig. 1 and 2, the present embodiment describes a power supply system, which includes a power tool 30 and a battery pack 100, the battery pack 100 is adapted to supply power to the power tool 30, and the power tool 30 includes, but is not limited to, a grass trimmer, a hair dryer, a pruner, a chain saw, a grass trimmer, a washing machine, a dust collector, an intelligent lawn mower, an intelligent cleaning device, and a riding lawn mower. The battery pack 100 is provided with a first Type-C interface 122 and a first power supply terminal 132, 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 to the electric tool 30 through the first power supply terminal 132, and the first Type-C interface 122 provides an activation power supply and communication for a tool side main control (see the main control unit 2 in fig. 7, defined as a second main control unit 361) and a MOS drive unit 362 (see fig. 7) of the electric tool 30, so that the controllable control of the whole discharging process and the protection of the battery pack 100 are realized.
Referring to fig. 1-4, in the present embodiment, the electric tool 30 includes a tool body 31 having a functional module, a handle 32 disposed on one side of the tool body 31, a base 33 disposed on one end of the handle 32 away from the tool body 31, a battery socket 331 disposed on one side of the base 33 away from the handle 32 for inserting the battery pack 100, and a second Type-C interface 34 and a second power supply terminal 35 disposed at a bottom end (an end away from the insertion end) of the battery socket 331, wherein the base 33 is detachably connected to the battery pack 100.
As shown in fig. 5 and 6, in the present embodiment, the battery pack 100 includes a battery pack case, a socket 1101, a first Type-C interface 122 as an auxiliary power port and a communication port for supplying power and communication to the tool-side main control and MOS drive unit 362, and a first power supply terminal 132 as a discharge port. The battery pack shell is internally provided with the electric core assembly 120 and the circuit board 13, the circuit board 13 is electrically connected with the electric core assembly 120, and the insertion part 1101 is arranged on the top surface of the battery pack shell; the first power supply terminal 132 is disposed on the insertion end of the insertion portion 1101, and the first power supply terminal 132 is electrically connected to the circuit board 13; the first Type-C interface 122 is disposed on the insertion end of the insertion portion 1101, and the first Type-C interface 122 is located between the first power supply terminals 132 and electrically connected to the circuit board 13; the battery pack 100 can be inserted into the battery socket 331 of the electric tool 30 through the insertion part 1101, discharges the electric tool 30 through the first power supply terminal 132, and provides an activation power supply and communication for the tool side main control and MOS drive unit 362 of the electric tool 30 through the first Type-C interface 122, so as to realize the controllable control of the whole discharging process and the protection of the battery pack 100. It is understood that in other embodiments, the first Type-C interface 122 may also be used as a communication port only, the battery pack 100 communicates with the tool side main control through the first Type-C interface 122, and the battery pack 100 supplies power to the tool side main control and MOS driving unit 362 through the first power supply terminal 132. It is understood that in other embodiments, the first Type-C interface 122 may also be located on one side of the first power terminal 132.
As shown in fig. 5 and fig. 6, in the present embodiment, the battery core assembly 120 includes a plurality of battery cells, the battery cells are respectively installed in the battery cell holders 14, the battery cell holders 14 are located in the casing of the battery pack 100, the plurality of battery cells can be connected in series and parallel through electrode plates, the battery core assembly 120 is electrically connected to the circuit board 13, each battery cell is used for storing electric energy after being combined, and each battery cell can discharge electricity to the electric power tool 30 through the first power supply terminal 132 and provide activation power and communication for the tool side main control and MOS driving unit 362 of the electric power tool 30 through the first Type-C interface 122.
As shown in fig. 5 and fig. 6, in the present embodiment, the top of the battery pack 100 is provided with a plug part 1101 which is matched with the battery socket 331, the plug part 1101 of the battery pack 100 is inserted into the battery socket 331 from one end (i.e. an insertion end) of the opening of the battery socket 331, and the battery socket 331 at least partially wraps the plug part 1101, so as to prevent the plug part 1101 of the battery pack 100 from coming out of the battery socket 331 from an orientation outside the opening of the battery socket 331, so as to ensure the stability of the battery pack 100. Specifically, the battery pack shell comprises an upper shell 11 (a first shell) and a lower shell 12 (a second shell), the upper shell 11 is fixedly connected with the lower shell 12, the electric core assembly 120 and the circuit board 13 are contained in a containing cavity formed by assembling the upper shell 11 and the lower shell 12, the inserting part 1101 is arranged on the top surface of the upper shell 11, two sides of the inserting part 1101 are provided with sliding rails 1102, a first Type-C interface 122 is arranged in a Type-C interface 113 at the inserting end of the inserting part 1101 and is positioned between the sliding rails 1102 at two sides of the inserting part 1101, and a first power supply terminal 132 is arranged in the Type-C interface 113 at the inserting end of the inserting part 1101. When the electric tool 30 is connected with the battery pack 100 through the slide rail 1102, the first Type-C interface 122 is electrically connected with the second Type-C interface 34 of the external electric tool 30, the first power supply terminal 132 is electrically connected with the second power supply terminal 35, and the battery pack 100 can discharge to the electric tool 30 through the first power supply terminal 132 to supply power to the functional module of the electric tool 30 to realize the corresponding function of the electric tool 30, and can also provide activation power and communication for the tool side main control and MOS driving unit 362 of the electric tool 30 through the first Type-C interface 122 during discharging, so that the controllable control of the whole discharging process and the protection of the battery pack 100 are realized.
It should be understood that the first Type-C interface 122 and the second Type-C interface 34 are USB standard interfaces, and the types of the interfaces are two-sided types capable of adapting to forward and reverse insertion, and can implement power transmission and data interaction, and in this embodiment, serve as an auxiliary power supply and a communication port. The first Type-C interface 122 and the second Type-C interface 34 pins may each include VBUS, CC, D +, D-, GND.
It should be understood that the first power supply terminal 132 and the second power supply terminal 35 may be a power strip port commonly used in garden tools, and may be selected from various types, in this embodiment, the first power supply terminal 132 may include a first P + terminal and a first P-terminal as a discharge port, and the second power supply terminal 35 may include a second P + terminal and a second P-terminal as a discharge port matching with the respective terminals of the first power supply terminal.
Referring to fig. 1-6, in the present embodiment, a side wall of the battery socket 331 of the base 33 is provided with a guide groove 332, the guide groove 322 may be an L-shaped groove, for example, and a side wall of the socket 1101 of the battery pack 100 is provided with a slide rail 1102 matching with the guide groove 332, so that when the battery pack 100 is inserted into the base 33, the slide rail 1102 is inserted into the guide groove 332, thereby preventing the battery pack 100 from coming out of the battery socket 331 from a non-insertion direction.
Referring to fig. 1 to 6, the top of the battery pack 100 is provided with a limiting member 111, and the limiting member 111 includes a limiting main body, and a limiting protrusion 1112 and a limiting pressing portion 1111 integrally formed at two ends of the limiting main body. One end of the bottom of the battery socket 331 of the base 33, which is close to the insertion end, is provided with a limit slot 333 corresponding to the limit protrusion 1112 of the limit piece 111. When the battery pack 100 is inserted into the base 33, the limiting protrusion 1112 extends into the limiting slot 333, and the limiting protrusion 1112 and the limiting slot 333 are matched with each other to limit the battery pack 100 to be separated from the battery socket 331 of the base 33 along the insertion direction.
Referring to fig. 1 to 6, in the present embodiment, the top of the battery pack 100 is provided with a limit mounting groove 112 and a mounting groove cover 1121 for covering the limit mounting groove 112, and the limit mounting groove 112 is disposed at an end of the insertion protrusion portion away from the insertion end. The limiting installation groove 112 is used for installing the limiting piece 111, the installation groove cover 1121 covers the limiting installation groove 112, the installation groove cover 1121 is provided with a first opening 1122 and a second opening 1123 at positions corresponding to the limiting protrusion 1112 and the limiting pressing portion 1111, the limiting protrusion 1112 and the limiting pressing portion 1111 are exposed from the first opening 1122 and the second opening 1123, and the limiting protrusion 1112 needs to protrude out of the surface of the installation groove cover 1121 under the action of an elastic element when the battery pack 100 is detached and inserted into the base 33.
Referring to fig. 1-6, in the present embodiment, a limit mounting protrusion 1124 is disposed at a middle portion of the limit mounting groove 112, a limit through hole 1115 matched with the limit mounting protrusion 1124 is disposed at a middle portion of the limit main body portion of the limit element 111, the limit element 111 is sleeved on the limit mounting protrusion 1124 through the limit through hole 1115, and the limit mounting protrusion 1124 can play a certain guiding role. An elastic element (not shown) is further disposed between the limiting member 111 and the bottom surface of the limiting installation groove 112, and the elastic element can restore the limiting member 111 when the battery pack 100 is detached or inserted into the base 33, so that the limit protrusions 1112 and the limit pressing parts 1111 protrude from the first and second openings 1122 and 1123, when the battery pack 100 is inserted into the base 33, the position-limiting protrusion 1112 of the position-limiting member 111 is inserted into the position-limiting slot 333 of the base 33 to limit the position of the battery pack 100, so as to prevent the battery pack 100 from sliding out of the base 33 along the first direction, when the battery pack 100 is released, the limiting pressing portion 1111 is only required to be pressed downwards, the limiting protrusion 1112 synchronously moves downwards along with the limiting pressing portion 1111 and retracts into the corresponding opening of the mounting groove cover 1121, the position-limiting protrusions 1112 are thus disengaged from the position-limiting notches 333, and the battery pack 100 can be removed from the base 33 in the opposite direction of insertion. As an example, the elastic elements may include two elastic elements, one elastic element is disposed between the limit protrusion 1112 and the bottom surface of the limit installation groove 112, the other elastic element is disposed between the limit pressing portion 1111 and the bottom surface of the limit installation groove 112, and structures for installing the elastic elements are disposed on the limit protrusion 1112, the bottom surface of the limit installation groove 112, and the limit pressing portion 1111 at positions corresponding to the elastic elements.
Fig. 7 shows a block diagram of the circuit configuration of the power supply system of the present embodiment, including the discharge control circuit of the battery pack 100 and the motor drive circuit of the electric power tool 30. The discharging control circuit of the battery pack 100 can be integrated on the circuit board 13 of the battery pack 100, the discharging control circuit is connected in series between the first Type-C interface 122 and the electric core assembly 120 of the battery pack 100, the discharging control circuit is also connected in series between the first power supply terminal 132 and the electric core assembly 120 of the battery pack 100, the discharging control circuit is used for controlling the electric core assembly 120 to discharge the electric tool 30 through the first power supply terminal 132, and the first Type-C interface 122 provides an active power supply and communication for the tool side main control (the main control unit 2 in fig. 7, defined as the second main control unit 361) and the MOS driving unit 362 of the electric tool 30, so as to realize the controllable control of the whole discharging process and the protection of the battery pack 100.
Referring to fig. 7, the discharge control circuit includes a detection unit 170, a first main control unit 1801 (main control unit 1 in fig. 7), a first DC-DC unit 1301 (DC-DC unit 1 in fig. 7), a first Type-C communication processing unit 192 (communication processing unit 1 in fig. 7), an activation unit 110, and a key. The positive terminal of the electric core assembly 120 is connected to the first P + terminal (P +) of the first power supply terminal 132 and the first DC-DC unit 1301 respectively, the first DC-DC unit 1301 is further connected to the first Type-C interface 122 and the first main control unit 1801 respectively, the first main control unit 1801 is further connected to the detection unit 170, the activation unit 110 and the first Type-C communication processing unit 192 respectively, the first Type-C communication processing unit 192 is further connected to the first Type-C interface 122 and the activation unit 110 respectively, the key is connected to the activation unit 110, and the negative terminal of the electric core assembly 120 is connected to the first P-terminal (P-) of the battery pack in fig. 7 and the first Type-C interface 122 of the first power supply terminal 132 respectively.
The detection unit 170 may include a current detection unit, a voltage detection unit AFE and a temperature detection unit, which are respectively connected to the first main control unit 1801, the current detection unit is configured to detect a discharge loop current of the battery pack 100 and transmit a detection result to the first main control unit 1801, the voltage detection unit AFE is configured to detect a single cell voltage in the cell assembly 120 and transmit a detection result to the first main control unit 1801, and the temperature detection unit is configured to detect and monitor a cell temperature and transmit a detection result to the first main control unit 1801; the first main control unit 1801 is configured to analyze data information of the battery detection unit 170, including information of a single cell voltage, a loop current, a cell temperature, and send an instruction to control power-on and power-off of the DC-DC unit; the first DC-DC unit 1301 is used to provide VCC power; the first Type-C communication processing unit 192 is configured to process communication between external Type-C communication and the first main control unit 1801; the activation unit 110 is configured to receive an activation signal from the outside, including a KEY signal (KEY) and a CC signal, and complete a power-on operation of the first main control unit 1801, and after the power-on operation of the first main control unit 1801 is completed, the first main control unit communicates with the outside through the first Type-C communication processing unit 192.
Referring to fig. 7, the motor driving circuit of the electric tool 30 includes a second main control unit 361 (the main control unit 2 in fig. 7), a second DC-DC unit 365 (the DC-DC unit 2 in fig. 7), a second Type-C communication processing unit 364 (the communication processing unit 2 in fig. 7), a MOS driving unit 362, a power MOS unit 363, and a switch 35. The second Type-C interface 34 is respectively connected to the second DC-DC unit 365, the MOS driving unit 362, the second Type-C communication processing unit 364, and the second P-terminal (P-) of the second power supply terminal 35 (fig. 7), the second Type-C communication processing unit 364 is connected to the second main control unit 361, the second main control unit 361 is further respectively connected to the MOS driving unit 362 and the second DC-DC unit 365, the power MOS unit 363 is respectively connected to the second P + terminal (P +) of the second power supply terminal 35 (fig. 7), the second P-terminal, the MOS driving unit 362, and the motor 37, and the switch 35 is located between the second P-terminal of the second power supply terminal 35 and the power MOS unit 363.
The switch 35 is used as a master switch of the tool loop, and the second master control unit 361 is used for processing 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 configured to process external Type-C communication and communicate with the second main control unit 361; the second DC-DC unit 365 is used for providing a suitable power VCC1 for the second main control unit 361; the MOS driving unit 362 is configured to receive the PWM signal from the second main control unit 361 to drive the power MOS unit 363; the power MOS unit 363 is used for providing proper voltage and current for the motor 37 to drive the motor 37; the motor 37 serves as a power unit of the electric power tool 30.
Referring to fig. 7, when the electric tool 30 is connected to the battery pack 100, the first Type-C interface 122 is connected to the second Type-C interface 34, and the first power supply terminal 132 is connected to the second power supply terminal 35. The battery side supplies a power VCC to the electric tool 30 after being stepped down by the first DC-DC unit 1301, and on one hand, the power VCC supplies power to the MOS drive unit 362 of the tool side through a Type-C interface connection, and on the other hand, the power VCC supplies power VCC1 to the tool side master control (the second master control unit 361) after being stepped down by the second DC-DC unit 365 of the tool side. The power VCC of the tool side is provided by the battery side, the first DC-DC unit 1301 providing the power VCC can be controlled by the first main control unit 1801 of the battery pack 100, when the battery pack 100 is under-voltage or the battery pack 100 receives a discharge stop signal sent by the electric tool 30 through the communication function of the first Type-C interface 122, the first main control unit 1801 of the battery pack 100 powers down the first DC-DC unit 1301, so that the VCC power on the tool control board is cut off, thus even if the switch 35 of the electric tool 30 is in a closed state, the whole system of the tool side can be closed, so that the whole discharge process is controllable, and the protection of the battery pack 100 during discharge is realized.
It should be noted that, in this embodiment, the first main control Unit 1801 and the second main control Unit 361 are Central Processing Units (CPUs) of a microcomputer Digital display sensing processor system, and may be configured with corresponding operating systems, control interfaces, and the like, specifically, may be a Digital logic processor which can be used for automation control, such as a single chip microcomputer, a DSP (Digital Signal Processing), an ARM (Advanced RISC Machines, ARM processors, and the like, and may load a control instruction to a memory at any time for storage and execution, and meanwhile, may be internally provided with units such as a CPU instruction and a data memory, an input/output Unit, a power module, and a Digital analog, and may be specifically set according to actual use conditions, and this scheme does not limit this.
Referring to fig. 8, the discharging process of the battery pack 100 of the present embodiment is as follows: the power tool 30 is connected to the battery pack 100, the switch 35 on the power tool is turned on, and the button is pressed to activate the battery pack 100; after the battery pack 100 is activated, the first main control unit 1801 is powered on and initialized, then the battery pack state starts to be detected, whether the battery pack is abnormal or not is judged, if the battery pack is abnormal, discharging is forbidden, if the battery pack is not abnormal, the first main control unit 1801 enables the first DC-DC unit 1301 to output VCC, and the 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, communication handshake with the battery pack is started, and after the communication handshake is successful, the battery pack 100 starts to discharge normally; in the normal discharging process, the first main control unit 1801 monitors parameters such as voltage, current, and cell temperature of the core assembly 120 in real time through the detection unit 170, and the electric quantity calculation module calculates the SOC in real time, and stops discharging when the SOC is determined to be 5% (or other suitable values), and also stops discharging once it is determined that a single cell is abnormal or the cell temperature is abnormal.
To sum up, the utility model discloses a when the first power supply terminal of battery package accessible discharges to electric tool to main control and MOS driven power through first Type-C interface control electric tool realize the controllable control of whole discharge process and the protection to the battery package.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
It will also be appreciated that one or more of the elements shown in the figures can also be implemented in a more separated or integrated manner, or even removed for inoperability in some circumstances or provided for usefulness in accordance with a particular application.
Additionally, any reference arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise expressly specified. Further, as used herein, the term "or" is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As noted, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the invention and are to be included within the spirit and scope of the present invention.
The system and method have been described herein in general terms as providing details to facilitate the understanding of the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Thus, although the present invention has been described herein with reference to particular embodiments thereof, freedom of modification, various changes and substitutions are also within the foregoing disclosure, and it should be understood that in some instances some features of the present invention will be employed without a corresponding use of other features without departing from the scope and spirit of the present invention as set forth. Accordingly, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.

Claims (15)

1. A battery pack, comprising:
the battery pack comprises a battery pack shell, a first shell and a second shell, wherein the first shell and the second shell are fixedly connected to form an accommodating cavity, an electric core assembly and a circuit board are arranged in the accommodating cavity, and the circuit board is electrically connected with the electric core assembly;
the inserting part is arranged on the top surface of the shell;
the first power supply terminal is arranged on the inserting end of the inserting part and electrically connected with the circuit board and used as a discharging port;
the first Type-C interface is arranged on the insertion end of the insertion part and is electrically connected with the circuit board, and the first Type-C interface is used as a communication port;
the battery pack can be inserted into a battery plug interface of the electric tool through the plug part, discharges electricity to the electric tool through the first power supply terminal, and communicates with a tool side main control of the electric tool through the first Type-C interface.
2. The battery pack of claim 1, wherein the first power terminal comprises a first discharge port P + and a first discharge port P-, and the first Type-C interface is located between the first discharge port P + and the first discharge port P-.
3. The battery pack according to claim 1, wherein slide rails are provided on both sides of the insertion part.
4. The battery pack according to claim 1, wherein a limiting member is disposed on the top of the battery pack, the limiting member is disposed on one side of the insertion portion away from the insertion end, and the limiting member comprises a limiting main body portion, and a limiting protrusion portion and a limiting pressing portion which are integrally formed and disposed at two ends of the limiting main body portion.
5. The battery pack of claim 1, wherein the first Type-C interface is located between the first power supply terminals.
6. The battery pack of claim 1, wherein the first Type-C interface further serves as an auxiliary power port, and the battery pack provides an activation power supply for a tool side master control and MOS drive unit of the power tool through the first Type-C interface.
7. The utility model provides an electric tool, electric tool is supplied power by the battery package, the battery package includes the battery package casing, sets up grafting portion on the battery package casing and sets up first power supply terminal and the first Type-C interface on the insertion end of grafting portion, the battery package casing includes first casing and second casing, first casing with second casing fixed connection and formation one accept the chamber, its characterized in that, electric tool includes:
a tool body;
the battery socket is arranged on the tool body;
the second Type-C interface is arranged at the bottom end of the battery socket and is used as a communication port, and the second Type-C interface is used for being connected with the first Type-C interface;
and the second power supply terminal is arranged at the bottom end of the battery socket and is used for being connected with the first power supply terminal.
8. The power tool of claim 7, wherein the power tool comprises one of a lawnmower, a pruner, a blower, a chainsaw, a lawnmower, a washer, a vacuum cleaner, an electric drill, an electric hammer, a riding mower, a smart mower, and a smart cleaning device.
9. The power tool of claim 7, wherein the battery socket includes a guide groove formed in a side wall thereof.
10. The power tool of claim 7, wherein a limiting slot is disposed at an end of the bottom of the battery socket near the insertion end.
11. The power tool of claim 7, wherein the second power supply terminal includes a second P + terminal and a second P-terminal that mate with respective terminals of the first power supply terminal.
12. The power tool of claim 7, wherein the second Type-C interface is located between the second power supply terminals.
13. The power tool of claim 7, wherein the second Type-C interface also serves as an auxiliary power input port, and the battery pack provides power to a tool-side master control and MOS drive unit of the power tool through the second Type-C interface.
14. A power supply system is characterized by comprising a power tool and a battery pack which are matched with each other;
the battery pack comprises a battery pack shell, a plug-in part, a first power supply terminal and a first Type-C interface, wherein the battery pack shell comprises a first shell and a second shell, the first shell is fixedly connected with the second shell to form a containing cavity, a battery pack assembly and a circuit board are arranged in the containing cavity, the circuit board is electrically connected with the battery pack assembly, the plug-in part is arranged on the top surface of the shell, the first power supply terminal is arranged on the plug-in end of the plug-in part and electrically connected with the circuit board, the first Type-C interface is arranged on the plug-in end of the plug-in part and electrically connected with the circuit board, the first power supply terminal serves as a discharge port, and the first Type-C interface serves as a communication port;
the electric tool is provided with a battery plug interface, a second Type-C interface and a second power supply terminal, wherein the second Type-C interface and the second power supply terminal are arranged at the bottom end of the battery plug interface;
when the battery pack is inserted into the battery insertion port through the insertion part, the first power supply terminal is connected with the second power supply terminal, the first Type-C interface is connected with the second Type-C interface, the battery pack supplies power to the electric tool, and the battery pack and the electric tool communicate through the first Type-C interface and the second Type-C interface.
15. The power supply system of claim 14, wherein the first Type-C interface further serves as an auxiliary power port, the second Type-C interface further serves as an auxiliary power input port, and the battery pack provides an active power supply for the tool side master control and MOS drive unit of the power tool through the first Type-C interface.
CN202121186384.2U 2020-11-06 2021-05-28 Battery pack, electric tool and power supply system Active CN214797631U (en)

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PCT/CN2022/087124 WO2022247517A1 (en) 2021-05-28 2022-04-15 Battery pack, electric tool system, and charging system
EP22810250.5A EP4350866A1 (en) 2021-05-28 2022-04-15 Battery pack, electric tool system, and charging system
AU2022282142A AU2022282142A1 (en) 2021-05-28 2022-04-15 Battery pack, electric tool system, and charging system
CA3220576A CA3220576A1 (en) 2021-05-28 2022-04-15 Battery pack, power tool system, and charging system
US18/519,071 US20240088506A1 (en) 2021-05-28 2023-11-27 Battery pack, power tool system and charging system

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CN202022544944 2020-11-06
CN2020112282019 2020-11-06
CN2020225449449 2020-11-06
CN202011228201.9A CN112259866A (en) 2020-11-06 2020-11-06 Battery pack, electric tool and system

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CN202121181551.4U Active CN215419646U (en) 2020-11-06 2021-05-28 Charger and charging system
CN202110592719.9A Pending CN114448007A (en) 2020-11-06 2021-05-28 Adaptation device and charging system
CN202110599060.XA Active CN114447533B (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202110596769.4A Pending CN114447450A (en) 2020-11-06 2021-05-28 Backpack type battery pack, charging and discharging control method and charging and discharging combination
CN202121189296.8U Active CN218548688U (en) 2020-11-06 2021-05-28 Adaptation device and tool system
CN202110598060.8A Pending CN114447457A (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202110594819.5A Pending CN114530899A (en) 2020-11-06 2021-05-28 Adaptation device and tool system
CN202121189483.6U Active CN218939917U (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
CN202121189300.0U Active CN215911524U (en) 2020-11-06 2021-05-28 Electric tool system
CN202110594839.2A Pending CN114448009A (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
CN202110599310.XA Pending CN114530900A (en) 2020-11-06 2021-05-28 Charger, battery pack, charging combination and charging method
CN202110596483.6A Pending CN114448010A (en) 2020-11-06 2021-05-28 Charging and discharging control system and method and battery pack
CN202121190274.3U Active CN215418445U (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202121182145.XU Active CN218939916U (en) 2020-11-06 2021-05-28 Waterproof battery pack
CN202110599056.3A Pending CN114448012A (en) 2020-11-06 2021-05-28 Charging and discharging communication control system and method and battery pack
CN202110596913.4A Active CN114447507B (en) 2020-11-06 2021-05-28 Battery pack, electric tool and power supply system
CN202110599414.0A Pending CN114448013A (en) 2020-11-06 2021-05-28 Charging and discharging control system and method and battery pack
CN202110597537.0A Pending CN114448011A (en) 2020-11-06 2021-05-28 Charging control system and method, battery pack and charging combination
CN202121186384.2U Active CN214797631U (en) 2020-11-06 2021-05-28 Battery pack, electric tool and power supply system
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CN202110592719.9A Pending CN114448007A (en) 2020-11-06 2021-05-28 Adaptation device and charging system
CN202110599060.XA Active CN114447533B (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202110596769.4A Pending CN114447450A (en) 2020-11-06 2021-05-28 Backpack type battery pack, charging and discharging control method and charging and discharging combination
CN202121189296.8U Active CN218548688U (en) 2020-11-06 2021-05-28 Adaptation device and tool system
CN202110598060.8A Pending CN114447457A (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202110594819.5A Pending CN114530899A (en) 2020-11-06 2021-05-28 Adaptation device and tool system
CN202121189483.6U Active CN218939917U (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
CN202121189300.0U Active CN215911524U (en) 2020-11-06 2021-05-28 Electric tool system
CN202110594839.2A Pending CN114448009A (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
CN202110599310.XA Pending CN114530900A (en) 2020-11-06 2021-05-28 Charger, battery pack, charging combination and charging method
CN202110596483.6A Pending CN114448010A (en) 2020-11-06 2021-05-28 Charging and discharging control system and method and battery pack
CN202121190274.3U Active CN215418445U (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202121182145.XU Active CN218939916U (en) 2020-11-06 2021-05-28 Waterproof battery pack
CN202110599056.3A Pending CN114448012A (en) 2020-11-06 2021-05-28 Charging and discharging communication control system and method and battery pack
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