CN218939917U - Battery pack, electric tool system and system - Google Patents

Battery pack, electric tool system and system Download PDF

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Publication number
CN218939917U
CN218939917U CN202121189483.6U CN202121189483U CN218939917U CN 218939917 U CN218939917 U CN 218939917U CN 202121189483 U CN202121189483 U CN 202121189483U CN 218939917 U CN218939917 U CN 218939917U
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CN
China
Prior art keywords
battery pack
type
tool
circuit board
interfaces
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
CN202121189483.6U
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
Original Assignee
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
Priority to AU2022282142A priority Critical patent/AU2022282142A1/en
Priority to PCT/CN2022/087124 priority patent/WO2022247517A1/en
Priority to EP22810250.5A priority patent/EP4350866A1/en
Priority to CA3220576A priority patent/CA3220576A1/en
Application granted granted Critical
Publication of CN218939917U publication Critical patent/CN218939917U/en
Priority to US18/519,071 priority patent/US20240088506A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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 system and a system, wherein the battery pack comprises: the battery pack comprises a battery pack shell, wherein a battery cell assembly and a circuit board are arranged in the battery pack shell, and the circuit board is electrically connected with the battery cell assembly; and install a plurality of Type-C interfaces on the circuit board, a plurality of Type-C interfaces are located on the battery package casing, type-C interface with circuit board electric connection to connect external equipment. The utility model provides possibility for supplying power to electronic products such as mobile phones, notebooks, digital cameras and the like besides providing power for the electric tool, and simultaneously can charge the battery pack by connecting a plurality of chargers so as to improve the charging efficiency.

Description

Battery pack, electric tool system and system
Technical Field
The utility model relates to the technical field of battery charging, in particular to a battery pack, an electric tool system and a system.
Background
In recent years, with the development of battery material technology, the application range of the battery cell has been greatly improved. Electric tools and garden tool products in the market at present are used in a large quantity, however, the battery pack at present can only supply power to electric devices with the same voltage, the output is single, the limitation is large, and other consumer electronic products cannot be powered by using the power supply. However, the existing charger can only charge a single battery pack and cannot charge a plurality of battery packs at the same time, so that a user needs to spend a long time to charge the battery packs one by one after using up the electric tool each time. And the existing charger charges the battery pack through a single interface, so that the charging process is slow and the time consumption is long.
In view of the foregoing, there is a need for improvements to existing battery packs and chargers that solve the above-described problems.
Disclosure of Invention
The utility model aims to provide a battery pack, an electric tool and a system, wherein the battery pack can supply power for the electric tool and a garden tool, can also supply power for electronic products such as a mobile phone, a notebook computer, a digital camera and the like, and a plurality of battery packs are arranged on the battery pack, can supply power for a plurality of products at the same time, and can also charge the products at the same time by using a plurality of chargers at the same time during charging.
The present utility model proposes a battery pack comprising:
the battery pack comprises a battery pack shell, wherein a battery cell assembly and a circuit board are arranged in the battery pack shell, and the circuit board is electrically connected with the battery cell assembly; and install a plurality of Type-C interfaces on the circuit board, a plurality of Type-C interfaces are located on the battery package casing, type-C interface with circuit board electric connection to connect external equipment.
In one embodiment of the utility model, the Type-C interface is disposed on two opposite sides of the battery pack case, and the Type-C interface is provided with pins welded and fixed with the circuit board.
In one embodiment of the utility model, a limiting piece mounting groove is formed in the upper shell of the battery pack shell, and a limiting piece is mounted in the limiting piece mounting groove and is sealed through a mounting groove cover.
In one embodiment of the present utility model, the limiting member includes a limiting pressing portion and a limiting post, wherein when the battery pack is connected to the external device, the limiting post is used for realizing a fixed connection between the battery pack and the external device, and the limiting pressing portion is used for an operator to operate so as to unlock and separate the battery pack from the external device.
In one embodiment of the utility model, a display device is further arranged on the battery pack shell, and the display device is used for displaying the residual electric quantity and/or voltage and/or current and/or cell temperature and/or faults of the battery pack.
In one embodiment of the present utility model, the display device is fixed on the upper casing of the battery pack casing and located beside the limiting member, and the display device is an LCD display screen.
In one embodiment of the utility model, the battery cell assembly comprises a plurality of battery cells, the battery cells are arranged in a battery cell bracket, the battery cell bracket is positioned in the battery shell, and the battery cells are connected through electrode plates.
In one embodiment of the present utility model, the battery pack further includes a power supply terminal mounted on the circuit board and electrically connected to the circuit board.
In one embodiment of the present utility model, the power supply terminal, the first power supply system and the second power supply system are integrated on the circuit board, the first power supply system is connected with the power supply terminal, and the second power supply system is connected with the Type-C interface, so as to form a first power supply circuit and a second power supply circuit in the battery pack.
In one embodiment of the present utility model, the first power supply circuit includes a main control unit, a detection unit connected to the main control unit, a third charge/discharge protection unit, a COM communication processing unit, and a discharge terminal connected to the third charge/discharge protection unit and the COM communication processing unit, when the battery pack is charged/discharged by using the first power supply circuit, the detection unit detects voltages of all the battery cells in the battery cell assembly, currents of the entire charge/discharge circuit, and temperatures of the battery cells, and transmits the detected data to the main control unit, so that the main control unit calculates a current charge amount of the battery cell assembly; the third charge and discharge protection unit receives the protection instruction from the main control unit and completes the charge and discharge protection action of the battery pack loop; the COM communication processing unit processes communication between external COM communication and the main control unit.
In one embodiment of the present utility model, the second power supply circuit includes a main control unit, an auxiliary control unit connected to the main control unit, and a full-bridge driving unit connected to the auxiliary control unit, and when the battery pack is charged/discharged by using the second power supply circuit, the auxiliary control unit sends a control signal to the full-bridge driving unit, so that the full-bridge driving unit provides a charging/discharging voltage.
The utility model also provides an electric tool system, which comprises a battery pack and an electric tool, wherein the electric tool comprises a functional module for executing corresponding functions, and a plurality of tool Type-C interfaces are arranged on the electric tool;
the battery pack includes: the battery pack comprises a battery pack shell, wherein a battery cell assembly and a circuit board are arranged in the battery pack shell, and the circuit board is electrically connected with the battery cell assembly; the battery pack shell is provided with a plurality of battery pack Type-C interfaces, and the battery pack Type-C interfaces are electrically connected with the circuit board so as to be connected with external equipment;
when the battery pack is connected with the electric tool, the battery pack Type-C interfaces are connected with the tool Type-C interfaces, and the battery pack outputs energy to the electric tool so as to drive the functional module to work.
In one embodiment of the present utility model, the power tool is one of a lawnmower, a pruner, a blower, a chain saw, a grass pusher, a washer, a vacuum cleaner, an electric drill, an electric hammer, and a riding mower.
The utility model also proposes a system comprising:
the first power tool is provided with a first rated voltage, and a plurality of first tool Type-C interfaces are arranged on the first power tool;
the second power tool is provided with a second rated voltage, and a plurality of second tool Type-C interfaces are arranged on the second power tool;
the battery pack comprises a battery pack shell, wherein a battery cell assembly and a circuit board are arranged in the battery pack shell, and the circuit board is electrically connected with the battery cell assembly; the battery pack shell is provided with a plurality of battery pack Type-C interfaces, and the battery pack Type-C interfaces are electrically connected with the circuit board so as to be connected with external equipment;
when the battery pack is installed to the first electric tool, the plurality of battery pack Type-C interfaces are connected with the plurality of first tool Type-C interfaces, and the battery pack outputs energy to the first electric tool;
when the battery pack is mounted to the second electric tool, the plurality of battery pack Type-C interfaces are connected with the plurality of second tool Type-C interfaces, and the battery pack outputs energy to the second electric tool.
In one embodiment of the present utility model, the first rated voltage of the first power tool is different from the second rated operating voltage of the second power tool.
The battery pack is provided with a plurality of battery pack shells, so that the electric connection between the battery core components and the battery packs can be realized by utilizing the electric connection between the battery pack shells and the circuit board, a plurality of different electric tools can be simultaneously supplied with power, the product applicability is improved, meanwhile, the possibility of supplying power to electronic products such as mobile phones, notebooks, digital cameras and the like is provided, and meanwhile, the battery packs can be charged by connecting a plurality of chargers, so that the charging efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a battery pack according to the present utility model.
Fig. 2 is a schematic structural diagram of a middle circuit board of a battery pack according to the present utility model.
Fig. 3 is a schematic structural view of an upper case of a battery pack according to the present utility model.
Fig. 4 is a schematic structural view of a middle-lower case of a battery pack according to the present utility model.
Fig. 5 is a schematic structural diagram of a middle cell assembly of a battery pack according to the present utility model.
Fig. 6 is a schematic structural diagram of a battery pack according to the present utility model.
Fig. 7 is a schematic structural view of a middle limiting member and a mounting groove cover of a battery pack according to the present utility model.
Fig. 8 is a schematic structural view of a middle limiting member of a battery pack according to the present utility model.
Fig. 9 is a schematic bottom view of a middle limiting member of a battery pack according to the present utility model.
Fig. 10 is a schematic circuit diagram of a battery pack according to the present utility model.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
As shown in fig. 1 to 10, the present utility model discloses a battery pack 100 for supplying power to electric tools and electronic devices. The battery pack 100 includes a battery pack housing 10, a plurality of Type-C interfaces, and a power supply terminal, and specifically, the battery pack 100 further includes a battery cell assembly 120 and a circuit board 13, which are contained in the battery pack housing 10, the battery cell assembly 120 includes a plurality of battery cells, the battery cells are installed in a battery cell support 14, the battery cell support 14 is located in the battery pack housing 10, and the battery cells are connected through electrode pads 141, and the battery cells are electrically connected with the circuit board 13.
As shown in fig. 1 and 2, the power supply terminal 132 is mounted on the circuit board 13 and electrically connected to the circuit board 13, and the power supply terminal 132 is close to the terminal interface 131 at the top of the battery pack case 10 and is partially exposed to the terminal interface to be connected to an external power tool. The output voltage of the battery pack 100 is 24V, the output current is 40A, and the output power is 960W, but the present utility model is not limited thereto. In this embodiment, the battery pack is applied to a power tool system, which includes the battery pack and the power tool in the above embodiments, the power tool includes a functional module for performing corresponding functions and a plurality of tool Type-C interfaces, and when the battery pack 100 is connected to the power tool, the Type-C interfaces on the plurality of battery packs are connected to the plurality of tool Type-C interfaces, and the battery pack outputs energy to the power tool to drive the functional module to operate. The power tools include, but are not limited to, lawnmowers, blowers, pruners, chain saws, grass pushers, cleaners, dust collectors, intelligent mowers, intelligent cleaning devices, and riding mowers.
As shown in fig. 3 and 4, in the present embodiment, the battery pack housing 10 includes an upper housing 11 and a lower housing 12, the upper housing 11 is fixedly connected with the lower housing 12, the battery module 120 and the circuit board 13 are accommodated in an accommodating space formed by assembling the upper housing 11 and the lower housing 12, a plugging portion 1101 is disposed on a top surface of the upper housing 11, sliding rails 1102 are disposed on two sides of the plugging portion 1101, and the terminal interfaces 131 are disposed at one end of the plugging portion 1101 and are located between the sliding rails 1102 on two sides of the plugging portion 1101, and when the external electric tool is connected with the battery pack 100 through the sliding rails 1101, the power supply terminal 132 is electrically connected with the external electric tool. The upper casing 11 of the battery pack casing 10 is provided with a limit piece mounting groove 112, a limit piece 111 is mounted in the limit piece mounting groove 112 and is sealed by a mounting groove cover 1121, and the limit piece 111 is used for enabling the battery pack 100 to be easily separated when the battery pack 100 is plugged and unplugged.
As shown in fig. 3 and 4, in this embodiment, the battery pack housing 10 is provided with an interface 113, and the battery pack 100 further includes a Type-C interface installed in the battery pack housing 10 and partially located at the interface 113, where the Type-C interface is electrically connected to the circuit board 13, so as to realize electrical connection between the battery cell and the Type-C interface, thereby facilitating the use of the Type-C interface to realize power output/input of the battery cell assembly 120.
As shown in fig. 1 and 5, in the present embodiment, the battery pack case 10 is substantially rectangular, the Type-C interface is disposed on a long side of the battery pack case 10, and the stopper 111 is disposed near a short side of the upper case 11. In this embodiment, the long edges of two sides of the battery pack case 10 that are oppositely disposed are all provided with the Type-C interface, the Type-C interface includes: the first Type-C interface 122a and the second Type-C interface 122b, of course, in other embodiments, the first Type-C interface 122a and the second Type-C interface 122b may be disposed at other positions, for example, disposed at two sides or the same side of the plugging portion 1101, or disposed at the terminal interface 131, and arranged longitudinally; or the top surface of the plugging portion 1102 is arranged in parallel, so long as the transmission of the power supply can be realized, the limitation is not limited herein, and when the battery pack 100 is used on a tool, the first Type-C interface 122a and the second Type-C interface 122b can be completely shielded, so that foreign matters generated when the tool is used can be prevented from entering the battery pack. Correspondingly, the plug-in port 113 is provided with two long edges which are respectively arranged on the two long edges of the battery pack shell 10, in particular to the two long edges of the upper shell 11; the orientation of the interface 113 is perpendicular to the two long sides.
As shown in fig. 1 to 5, the Type-C interface is an electrical connector capable of realizing charging and discharging, and the output voltage of the Type-C interface is 5-20V, preferably 5V, 9V, 12V, 15V, 20V; the output current is 1-5A, preferably 1A, 2A, 3A, 4A, 5A; the output power is 15-100W, preferably 15W, 18W, 30W, 45W, 60W, 100W.
As shown in fig. 6, in the present embodiment, the Type-C interface includes an insulating body 1221, a conductive terminal 1222 fixed on the insulating body 1221, and a shielding shell 1223 shielding the insulating body 1221 and the conductive terminal 1222, wherein the conductive terminal 1222 and the shielding shell 1223 are made of metal materials, and the conductive terminal 1222 contacts with the inner sidewall of the shielding shell 1223, so as to realize electrical conduction between the conductive terminal 1222 and the shielding shell 1223, and pins 1224 welded and fixed with the circuit board 13 are provided on the shielding shell 1223. Through such design, make Type-C interface's conductive terminal 1222 can be through the pin 1224 of shade casing 1223 and circuit board 13 and electric core realization electric connection, then can charge the electronic equipment that includes electronic product such as cell-phone, notebook, digital camera, wearable smart machine through this Type-C interface.
As shown in fig. 1 to 6, in the present embodiment, the Type-C interface is disposed in parallel with the circuit board 13, and this parallel arrangement includes both the case where the Type-C interface is fixed on the upper side of the circuit board 13 and the case where the Type-C interface is fixed on the lower side of the circuit board 13, and since the Type-C interface is directly soldered to the circuit board 13, 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 to 20mm, preferably 0 to 15mm, further preferably 0 to 10mm, and most preferably 7.75mm.
As shown in fig. 1 to 6, in the present embodiment, the circuit board 13 is integrated with a power supply terminal 132, the power supply terminal 132 is also electrically connected with the battery cell through the circuit board 13, one end of the upper housing 11 far away from the limiting member 111 is provided with a terminal interface 131, and the power supply terminal 132 is disposed close to the terminal interface 131 and is 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 both long sides. The design of the power supply terminal 31 and the terminal interface 131 enables the battery pack 100 of the present utility model to be plugged into a power tool to supply power to the power tool.
As shown in fig. 1 to 6, in this embodiment, the battery pack case 10 is further provided with a display device 1115, and the display device 1115 may be used for displaying the remaining power of the battery pack 100, and may also be used for displaying the voltage, the current, the cell temperature, the fault, and the like of the battery pack 100. The display device may also display operating parameters of the power tool, such as the rotational speed of the motor, etc., when the battery pack 100 is combined with the power tool and operated. The display device is preferably an LCD display, but not limited thereto.
As shown in fig. 7 to 9, in the present embodiment, the display device 1115 is fixed to the upper case 11 and located beside the stopper 111. Specifically, the limiting member 111 includes a limiting pressing portion 1111 and a limiting post 1112, the limiting pressing portion 1111 is used for an operator to operate to release a lock catch between the battery pack 100 and the electric tool; the stopper 1112 is used for realizing a fixed connection between the battery pack 100 and an external device. In addition, in this embodiment, the two ends of the bottom of the limiting member 111 are provided with a spring mounting post 1113 and a guide sleeve 1114, the spring mounting post 1113 is provided with a limiting spring, the bottom end of the limiting spring is abutted to the limiting member mounting groove 112 of the upper housing 11, so that the limiting member 111 is reset, and the guide sleeve 1114 is sleeved on the guide post on the limiting member mounting groove 112, so that the limiting member 11 plays a role in guiding in the process of pressing down and rising.
As shown in fig. 7 to 9, in the present embodiment, the display device 1115 is preferably fixed on the upper housing 11 and located between the limit pressing portion 1111 and the limit post 1112, for the purpose of: when the battery pack 100 is combined with the electric tool, an operator can see the content displayed on the display device 1115 in the using process, and when an abnormality occurs in the operating process or the working process of the battery pack 100 and/or the electric tool, the operator can timely find and process the abnormality, so that the occurrence of danger is avoided.
Of course, the display 1115 may be mounted on the front side of the battery pack 100, i.e., on the side of the limit pressing portion 1111 away from the limit post 1112. However, such a mounting scheme needs to consider whether the lead between the display device 1115 and the circuit board 13 is disturbed by the limit pressing portion 1111, and wiring is limited.
As shown in fig. 10, the present utility model can also increase the charging efficiency by connecting a plurality of chargers to charge the battery packs. The circuit board 13 is integrated with the power supply terminal 132, a first power supply system and a second power supply system, the first power supply system is connected with the power supply terminal 132, and the second power supply system is connected with the Type-C interface, so that a first power supply circuit and a second power supply circuit are formed in the battery pack. The first power supply circuit includes a main control unit 1801, a detection unit connected to the main control unit 1801, a third charge/discharge protection unit, and a COM communication processing unit 191, and a power supply terminal connected to the third charge/discharge protection unit and the COM communication processing unit 191, where when the battery pack performs charge/discharge by using the first power supply circuit, the detection unit detects voltages of all the cells in the cell assembly 120, currents of the entire charge/discharge circuit, and temperatures of the cells, and transmits the detected data to the main control unit 1801, so that the main control unit 1801 calculates a current charge amount of the cell assembly 120; the third charge-discharge protection unit receives a protection instruction from the main control unit 1801, and completes the charge-discharge protection action of the battery pack loop; the COM communication processing unit 191 processes communication between external COM communication and the main control unit 1801. The second power supply circuit includes a main control unit 1801, an auxiliary control unit 1802 connected to the main control unit 1801, and a full-bridge driving unit 1601 connected to the auxiliary control unit 1802, where when the battery pack is charged/discharged by using the second power supply circuit, the auxiliary control unit 1802 sends a control signal to the full-bridge driving unit 1601, so that the full-bridge driving unit 1601 provides a charging/discharging voltage.
Specifically, as shown in fig. 10, in this embodiment, the circuit of the battery pack includes a battery cell assembly 120 (battery cell), a main control unit 1801, an auxiliary control unit 1802 and a first detection unit 1701 connected to the main control unit 1801, and a COM communication processing unit 191, a first detection unit 1701 connected to the auxiliary control unit 1802, a full-bridge driving unit 1601 connected to the auxiliary control unit 1802, a second detection unit 17021702 and a Type-C communication processing unit 192, a full-bridge power unit 1602 connected to the full-bridge driving unit 1601, the full-bridge power unit including a full-bridge power unit 1 (first full-bridge power unit) and a full-bridge power unit 2 (second full-bridge power unit), a Type-C charge/discharge protection unit 152 connected to the full-bridge power unit 1 and the full-bridge power unit 2 respectively, the Type-C charge and discharge protection unit 152 includes a Type-C charge and discharge protection unit 1 (second charge and discharge protection unit) and a Type-C charge and discharge protection unit 2 (third charge and discharge protection unit), a Type-C interface 1 (first Type-C interface 122 a) and a Type-C interface 2 (second Type-C interface 122 b) connected to the Type-C charge and discharge protection unit 1 and the Type-C charge and discharge protection unit 2, respectively, a charge and discharge protection unit 151 (first charge and discharge protection unit) connected to the main control unit 1801, and a power supply terminal 132, the power supply terminal 132 includes four ports p+, CHG, COM, and P-four ports, wherein p+ and CHG are connected to the first charge and discharge protection unit and connected to the positive electrode of the battery, the COM port is connected to the communication processing unit 191, the P-port is connected with the cathode of the battery.
The first detecting unit 1701 is configured to detect input/output voltage, loop current, power device temperature, etc. of the Type-C loop, and the detection result is transmitted to the auxiliary control unit 1802; the second detection unit 1702 is configured to detect a single voltage in the battery cell assembly 120, a charge/discharge current of the battery pack loop, a temperature of the battery cell assembly 120, and the like, and transmit a detection result to the main control unit 1801; the main control unit 1801 is configured to receive the data information of the second detection unit 1702 and the abnormality alarm information of the auxiliary control unit 1802, and send out a charge-discharge protection instruction, an auxiliary control unit 1802 protection instruction, and an auxiliary control unit 1802 power-down instruction after performing analysis; the auxiliary control unit 1802 is configured to receive data information of the first detection unit 1701 and related instructions of the main control unit 1801, and after performing analysis, send out a Type-C loop normal operation instruction, a Type-C loop charge-discharge protection instruction, and perform a power-down sleep operation; the full-bridge power unit and the full-bridge driving unit 1601 together form a lifting and pressing module of a Type-C loop, the auxiliary control unit 1802 communicates with Type-C interface external equipment through CC signals to determine input/output voltage of a current circuit, and after the input/output voltage is determined, the voltage regulation work is completed by the full-bridge driving unit 1601; the Type-C charge-discharge protection unit receives a protection instruction from the auxiliary control unit 1802, and completes the charge-discharge protection action of the Type-C loop; a charge-discharge protection unit: receiving a protection instruction from the main control unit 1801, and completing the charge and discharge protection action of the battery pack loop; the activation unit receives an activation signal from the outside, including a COM signal, a KEY signal (KEY) and a CC signal, completes the power-on operation of the main control unit 1801, and after the main control unit completes the power-on operation, sends a power-on instruction to the auxiliary unit, and simultaneously switches the CC signal from the activation loop to a communication loop with the auxiliary control unit 1802, and the auxiliary control unit 1802 starts to normally communicate with the peripheral.
The battery pack can be activated through a KEY (KEY signal), once the battery pack is activated, the CC signal can be transferred to a communication signal between the auxiliary control and the charger by the activation signal, whether the CC signal 1 or the CC signal 2 is connected to a Type-C port can be detected, and the CC signal 1 and the CC signal 2 can enter a Type-C communication processing unit to realize communication between the battery pack and the charger.
The battery pack is connected to the charger through the Type-C, any path of CC signals can activate the battery pack, the main control starts to detect the battery state after the main control completes the power-on initialization, the main control starts the Type-C circuit except for abnormal conditions, and the value of the OVP is set according to the battery pack state; then, the auxiliary control self-calibration is electrified, and whether equipment is accessed or not is judged according to the CC signal of the Type-C port after the auxiliary control is electrified; when the auxiliary control judges that any path of Type-C port is accessed by the charging equipment, data interaction is performed between the main control and the auxiliary control, the auxiliary control tells that the main control is accessed by the charger, and the main control unit 1801 executes charging protection logic; in the whole charging process, the main control unit 1801 monitors the state of the battery in real time and keeps communication with the auxiliary control unit 1802, so as to ensure that the charging process is in a controllable state; the single-port Type-C charging and the double-port Type-C charging protection can be realized through the cooperation between the main control unit 1801 and the auxiliary control unit 1802.
The battery pack 100 of the present utility model may supply power to a grass cutter, a blower, a pruner, a chain saw, a grass pusher, a cleaner, an intelligent mower, an intelligent cleaning device, and a riding mower through the first power supply system. When the battery pack 100 is applied to a grass cutter, a blower, a pruner, a chain saw, a grass pusher, a cleaner, a dust collector, an intelligent mower, an intelligent cleaning device and a riding mower, the battery pack can supply power to not only the grass cutter, the blower, the pruner, the chain saw, the grass pusher, the cleaner, the dust collector, the intelligent mower, the intelligent cleaning device and the riding mower, but also electronic products such as a mobile phone, a notebook, a digital camera and the like through a second power supply system.
The utility model also provides a system which comprises a first electric tool, a second electric tool and the battery pack in the embodiment, wherein the first electric tool is provided with a first rated voltage, and a plurality of first tool Type-C interfaces are arranged on the first electric tool; the second electric tool is provided with a second rated voltage, and a plurality of second tool Type-C interfaces are arranged on the second electric tool; when the battery packs are installed on the first electric tools, the Type-C interfaces on the plurality of battery packs are connected with the plurality of first tool Type-C interfaces, and the battery packs output energy to the first electric tools; when the battery packs are installed to the second electric tools, the Type-C interfaces on the battery packs are connected with the second tool Type-C interfaces, the battery packs output energy to the second electric tools, and the first rated voltage of the first electric tools is different from the second rated voltage of the second electric tools. In addition, it should be noted that, the battery pack can also supply power for mobile phones, notebook computers, wearable intelligent devices and the like through the Type-C interface on the battery pack.
According to the battery pack, the plurality of Type-C interfaces are arranged on the battery pack shell, so that the electric connection between the battery core assembly 120 and the Type-C interfaces can be realized by utilizing the electric connection between the Type-C interfaces and the circuit board, the possibility of supplying power to electronic products such as mobile phones, notebooks and digital cameras is provided, and meanwhile, the battery pack can be charged by connecting a plurality of chargers, so that the charging efficiency is improved.
The foregoing description is only illustrative of the preferred embodiments of the present application and the technical principles employed, and it should be understood by those skilled in the art that the scope of the present application is not limited to the specific combination of the above technical features, but encompasses other technical features which may be combined with any combination of the above technical features or their equivalents without departing from the inventive concept, such as the technical features disclosed in the present application (but not limited to) and the technical features having similar functions are substituted for each other.
Other technical features besides those described in the specification are known to those skilled in the art, and are not described herein in detail to highlight the innovative features of the present utility model.

Claims (15)

1. A battery pack, comprising:
the battery pack comprises a battery pack shell, wherein a battery cell assembly and a circuit board are arranged in the battery pack shell, and the circuit board is electrically connected with the battery cell assembly; the battery pack comprises a battery pack shell and is characterized in that a plurality of Type-C interfaces are arranged on the battery pack shell and are electrically connected with the circuit board so as to be connected with external equipment.
2. The battery pack of claim 1, wherein the Type-C interface is disposed on two opposite sides of the battery pack housing, and the Type-C interface is provided with pins soldered to the circuit board.
3. The battery pack according to claim 1, wherein the upper case of the battery pack case is provided with a stopper mounting groove, and a stopper is mounted in the stopper mounting groove and sealed by a mounting groove cover.
4. A battery pack according to claim 3, wherein the stopper includes a stopper pressing portion for allowing the battery pack to be fixedly connected to the external device when the battery pack is connected to the external device, and a stopper column for allowing an operator to operate the stopper pressing portion to unlock and separate the battery pack from the external device.
5. A battery pack according to claim 3, wherein the battery pack housing is further provided with a display device for displaying the remaining charge and/or voltage and/or current and/or cell temperature and/or faults of the battery pack.
6. The battery pack of claim 5, wherein the display device is fixed to the upper case of the battery pack case and located beside the stopper, and the display device is an LCD display.
7. The battery pack of claim 1, wherein the cell assembly comprises a plurality of cells, the plurality of cells being mounted in a cell support, the cell support being located in the battery enclosure, and the cells being connected by electrode tabs.
8. The battery pack of claim 1, further comprising a power terminal mounted on the circuit board and electrically connected to the circuit board.
9. The battery pack of claim 8, wherein the circuit board has the power supply terminal, a first power supply system and a second power supply system integrated thereon, the first power supply system being connected to the power supply terminal, the second power supply system being connected to the Type-C interface to form a first power supply circuit and a second power supply circuit within the battery pack.
10. The battery pack according to claim 9, wherein the first power supply circuit comprises a main control unit, a detection unit connected with the main control unit, a third charge/discharge protection unit, a COM communication processing unit, and a discharge terminal connected with the third charge/discharge protection unit and the COM communication processing unit, and when the battery pack is charged/discharged by the first power supply circuit, the detection unit detects voltages of all cells in a cell assembly, currents of an entire charge/discharge circuit, and temperatures of the cells, and transmits the detected data to the main control unit, so that the main control unit calculates a current charge amount of the cell assembly; the third charge and discharge protection unit receives the protection instruction from the main control unit and completes the charge and discharge protection action of the battery pack loop; the COM communication processing unit processes communication between external COM communication and the main control unit.
11. The battery pack according to claim 9, wherein the second power supply circuit includes a main control unit, an auxiliary control unit connected to the main control unit, and a full-bridge driving unit connected to the auxiliary control unit, and when the battery pack is charged/discharged by the second power supply circuit, the auxiliary control unit sends a control signal to the full-bridge driving unit to cause the full-bridge driving unit to supply the charge/discharge voltage.
12. A power tool system comprising a battery pack and a power tool, wherein the power tool comprises a functional module for executing corresponding functions, and a plurality of tool Type-C interfaces arranged on the power tool;
the battery pack includes: the battery pack comprises a battery pack shell, wherein a battery cell assembly and a circuit board are arranged in the battery pack shell, and the circuit board is electrically connected with the battery cell assembly; the battery pack shell is provided with a plurality of battery pack Type-C interfaces, and the battery pack Type-C interfaces are electrically connected with the circuit board so as to be connected with external equipment;
when the battery pack is connected with the electric tool, the battery pack Type-C interfaces are connected with the tool Type-C interfaces, and the battery pack outputs energy to the electric tool so as to drive the functional module to work.
13. The power tool system of claim 12, wherein the power tool is one of a lawnmower, a pruner, a blower, a chain saw, a grass pusher, a washer, a dust collector, an electric drill, an electric hammer, a riding mower.
14. A system, comprising:
the first power tool is provided with a first rated voltage, and a plurality of first tool Type-C interfaces are arranged on the first power tool;
the second power tool is provided with a second rated voltage, and a plurality of second tool Type-C interfaces are arranged on the second power tool;
the battery pack comprises a battery pack shell, wherein a battery cell assembly and a circuit board are arranged in the battery pack shell, and the circuit board is electrically connected with the battery cell assembly; the battery pack shell is provided with a plurality of battery pack Type-C interfaces, and the battery pack Type-C interfaces are electrically connected with the circuit board so as to be connected with external equipment;
when the battery pack is installed to the first electric tool, the plurality of battery pack Type-C interfaces are connected with the plurality of first tool Type-C interfaces, and the battery pack outputs energy to the first electric tool;
when the battery pack is mounted to the second electric tool, the plurality of battery pack Type-C interfaces are connected with the plurality of second tool Type-C interfaces, and the battery pack outputs energy to the second electric tool.
15. The system of claim 14, wherein the first rated voltage of the first power tool is different from the second rated operating voltage of the second power tool.
CN202121189483.6U 2020-11-06 2021-05-28 Battery pack, electric tool system and system Active CN218939917U (en)

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AU2022282142A AU2022282142A1 (en) 2021-05-28 2022-04-15 Battery pack, electric tool system, and charging system
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
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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CN202011228201.9A CN112259866A (en) 2020-11-06 2020-11-06 Battery pack, electric tool and system
CN2020225449449 2020-11-06
CN202022544944 2020-11-06
CN2020112282019 2020-11-06

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CN202121189300.0U Active CN215911524U (en) 2020-11-06 2021-05-28 Electric tool system
CN202110598060.8A Active CN114447457B (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202110592720.1A Pending CN114448008A (en) 2020-11-06 2021-05-28 Multi-slot charger and charging system
CN202110596769.4A Active CN114447450B (en) 2020-11-06 2021-05-28 Backpack type battery pack, charge and discharge control method and charge and discharge combination
CN202110592719.9A Pending CN114448007A (en) 2020-11-06 2021-05-28 Adaptation device and charging system
CN202110599056.3A Pending CN114448012A (en) 2020-11-06 2021-05-28 Charging and discharging communication control system and method and battery pack
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
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CN202121182145.XU Active CN218939916U (en) 2020-11-06 2021-05-28 Waterproof battery pack
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CN202121186466.7U Active CN218919168U (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
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CN202110592720.1A Pending CN114448008A (en) 2020-11-06 2021-05-28 Multi-slot charger and charging system
CN202110596769.4A Active CN114447450B (en) 2020-11-06 2021-05-28 Backpack type battery pack, charge and discharge control method and charge and discharge combination
CN202110592719.9A Pending CN114448007A (en) 2020-11-06 2021-05-28 Adaptation device and charging system
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215419646U (en) * 2020-11-06 2022-01-04 格力博(江苏)股份有限公司 Charger and charging system
CA3220576A1 (en) * 2021-05-28 2022-12-01 Ming Luo Battery pack, power tool system, and charging system
CN115001112B (en) * 2022-07-19 2022-10-21 深圳市深创高科电子有限公司 Intelligent charging method and system
WO2024056021A1 (en) * 2022-09-16 2024-03-21 格力博(江苏)股份有限公司 System and method for controlling charging and discharging of battery pack, and garden tool system
CN116461357A (en) * 2023-04-14 2023-07-21 惠州市乐亿通科技有限公司 Method and device for realizing hot plug
CN116388352B (en) * 2023-06-06 2023-08-15 深圳市乐祺微电子科技有限公司 Automatic power supply identification method, battery pack and system for electric tool

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100483789C (en) * 2003-10-14 2009-04-29 布莱克和戴克公司 Power driver and charger with flexible mounting system for battery pack
CN101494279B (en) * 2008-01-24 2013-04-10 苏州宝时得电动工具有限公司 Battery pack
CN202524127U (en) * 2012-04-10 2012-11-07 肖志国 Multiplexed output portable power supply
JP6040743B2 (en) * 2012-12-07 2016-12-07 日立工機株式会社 Charger
JP6284709B2 (en) * 2013-04-05 2018-02-28 株式会社マキタ Battery pack for electric tools
CN204391171U (en) * 2013-12-31 2015-06-10 南京德朔实业有限公司 Power brick, charger and charging combination
EP3059783A1 (en) * 2015-02-23 2016-08-24 Black & Decker Inc. Battery pack system
CN204497813U (en) * 2015-04-27 2015-07-22 黄永林 A kind of power brick of electric tool
CN204967384U (en) * 2015-09-29 2016-01-13 王凤彦 Battery pack for electric tool
KR102468187B1 (en) * 2016-03-04 2022-11-17 삼성전자주식회사 Eletronic device and external device charging method thereof
CN114156984B (en) * 2016-06-12 2024-03-15 苏州宝时得电动工具有限公司 Universal mobile power supply
CN206060252U (en) * 2016-07-26 2017-03-29 常州格力博有限公司 Battery bag
GB201621312D0 (en) * 2016-12-15 2017-02-01 7Rdd Ltd Multi power tool system incorporating battery pack
CN207282573U (en) * 2017-01-17 2018-04-27 南京德朔实业有限公司 Wearable battery pack
WO2018133657A1 (en) * 2017-01-17 2018-07-26 南京德朔实业有限公司 Wearable battery pack
CN108630879A (en) * 2017-03-21 2018-10-09 创科（澳门离岸商业服务）有限公司 Battery pack, group charger and the combination of battery packs for electric tool
CN107046314A (en) * 2017-04-25 2017-08-15 深圳市力泰新能源有限公司 A kind of mobile electricity bag
CN107240948B (en) * 2017-08-07 2020-07-10 东莞博力威新能源有限公司 Portable energy storage battery charging and discharging control method and system
WO2019057187A1 (en) * 2017-09-22 2019-03-28 苏州宝时得电动工具有限公司 Battery pack and electric tool assembly
CN207490556U (en) * 2017-11-15 2018-06-12 广州泰勒斯科技有限公司 Startup formula battery, application apparatus and server
US20190181407A1 (en) * 2017-12-11 2019-06-13 Romeo Systems, Inc. Shock absorbant and water-resistant portable energy storage device
US20190372377A1 (en) * 2018-06-01 2019-12-05 Flag Acquisition, Llc Systems and methods for charging one or more electronic devices
CN110298973B (en) * 2018-09-06 2021-10-26 深圳来电科技有限公司 Charging module of mobile power supply leasing equipment and data transmission method between charging module and mobile power supply
CN209732891U (en) * 2019-03-13 2019-12-06 北京小米移动软件有限公司 Hair dryer and hair dryer system
CN209472041U (en) * 2019-04-04 2019-10-08 北京方向华信电子有限公司 A kind of can be simultaneously the lithium ion battery of plurality of devices power supply
CN209881442U (en) * 2019-05-24 2019-12-31 宝时得科技（中国）有限公司 Battery pack
CN209804793U (en) * 2019-06-13 2019-12-17 浙江良业工具有限公司 Double-battery pack for electric tool
CN110758173B (en) * 2019-10-25 2021-06-15 广东维可特科技有限公司 Control method and device of charging and discharging detection system and storage medium
CN210837856U (en) * 2019-10-29 2020-06-23 苏州宝时得电动工具有限公司 Battery pack and electric tool system
CN110896237A (en) * 2019-11-14 2020-03-20 青岛小鸟看看科技有限公司 Charging device and method for mobile phone back clip and back clip equipment
CN110829556A (en) * 2019-12-12 2020-02-21 常州格力博有限公司 Adapter and electric tool system
CN110954837A (en) * 2019-12-17 2020-04-03 常州格力博有限公司 Battery pack diagnostic instrument
CN215419646U (en) * 2020-11-06 2022-01-04 格力博(江苏)股份有限公司 Charger and charging system
CN112259866A (en) * 2020-11-06 2021-01-22 格力博(江苏)股份有限公司 Battery pack, electric tool and system

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CN114448010A (en) 2022-05-06
CN114447457A (en) 2022-05-06
CN218548687U (en) 2023-02-28
CN215911524U (en) 2022-02-25
CN114448009A (en) 2022-05-06
CN114447457B (en) 2024-08-02
CN114447450A (en) 2022-05-06
CN114447507A (en) 2022-05-06
CN220400799U (en) 2024-01-26
CN215419646U (en) 2022-01-04
CN218919168U (en) 2023-04-25
CN114447533A (en) 2022-05-06
CN114448007A (en) 2022-05-06
CN214797631U (en) 2021-11-19
CN215418445U (en) 2022-01-04
CN114447533B (en) 2023-07-18
CN114448008A (en) 2022-05-06
CN114530900A (en) 2022-05-24
CN114447450B (en) 2024-08-02
CN114448012A (en) 2022-05-06
CN114448011A (en) 2022-05-06
CN218939916U (en) 2023-04-28
CN114447507B (en) 2023-03-10
CN114530899A (en) 2022-05-24

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