CN114448007A - Adaptation device and charging system - Google Patents

Adaptation device and charging system Download PDF

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Publication number
CN114448007A
CN114448007A CN202110592719.9A CN202110592719A CN114448007A CN 114448007 A CN114448007 A CN 114448007A CN 202110592719 A CN202110592719 A CN 202110592719A CN 114448007 A CN114448007 A CN 114448007A
Authority
CN
China
Prior art keywords
battery pack
housing
charging
interface
electrically connected
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.)
Pending
Application number
CN202110592719.9A
Other languages
Chinese (zh)
Inventor
罗明
刘传君
臧顺
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 CA3220576A priority Critical patent/CA3220576A1/en
Priority to PCT/CN2022/087124 priority patent/WO2022247517A1/en
Priority to EP22810250.5A priority patent/EP4350866A1/en
Priority to AU2022282142A priority patent/AU2022282142A1/en
Publication of CN114448007A publication Critical patent/CN114448007A/en
Priority to US18/519,071 priority patent/US20240088506A1/en
Pending legal-status Critical Current

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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)
  • Battery Mounting, Suspending (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses an adapter device and a charging system, wherein the adapter device comprises: the shell forms an accommodating cavity for accommodating the circuit board; the input part is arranged on one side of the shell and is provided with a type-C input interface; the output part is arranged on the other side of the shell and is used for being combined with a battery pack, and the output part is provided with an output interface which is used for being connected with a terminal on the battery pack; the output interface is electrically connected with the type-C input interface through a circuit board. Through the adaptation device and the charging system disclosed by the invention, the voltage required by the battery pack can be output according to the charging requirement of the battery pack.

Description

Adaptation device and charging system
Technical Field
The invention belongs to the technical field of charging, and particularly relates to an adaptive device and a charging system.
Background
Typically, different battery packs have different nominal operating voltages. Therefore, manufacturers need to configure a corresponding charging device for each battery pack. When the battery pack with various specifications is available, a user needs to be provided with charging devices with various specifications, and the battery pack with each specification needs to be provided with a special charging device, so that the use is disordered, when the appearance of the battery pack is close and the ports are similar, the battery pack and the corresponding charging device are easily disordered, the overvoltage or undervoltage charging of the battery pack is caused, and the battery pack is damaged. And when the interfaces of the charging device and the battery pack are not matched, the charging device cannot be used for charging the battery pack.
Disclosure of Invention
The invention aims to provide an adapting device and a charging system, and the voltage required by a battery pack is output according to the charging requirement of the battery pack through the adapting device and the charging system provided by the invention.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides an adapting device, which comprises:
the shell forms an accommodating cavity for accommodating the circuit board;
the input part is arranged on one side of the shell and is provided with a type-C input interface;
the output part is arranged on the other side of the shell and used for being combined with a battery pack, and the output part is provided with an output interface used for being connected with a terminal on the battery pack;
the output interface is electrically connected with the type-C input interface through a circuit board.
In an embodiment of the present invention, the housing includes a first housing and a second housing, and the first housing and the second housing are fastened to form the accommodating cavity.
In an embodiment of the present invention, the first housing has a first recess portion that forms the accommodation chamber.
In an embodiment of the invention, a first through hole is formed in a side wall of the first concave portion, and the type-C input interface extends into the first through hole.
In an embodiment of the invention, the first housing is further provided with a key, and the key is disposed on a surface of the first housing, extends into the accommodating cavity, and is electrically connected to the circuit board.
In an embodiment of the present invention, the circuit board is fixed on the second housing, and when the first housing and the second housing are engaged, the circuit board is located in the accommodating cavity.
In an embodiment of the invention, the second housing has a second concave portion, the second concave portion is located at a side far away from the first housing, and the second concave portion has an opening.
In an embodiment of the present invention, a plurality of second through holes are disposed on the second housing, and the output interface passes through the second through holes to the second concave portion.
In an embodiment of the present invention, two opposite side walls of the second recess are provided with a second guide rail.
The present invention also provides a charging system comprising:
a battery pack provided with a terminal;
the charging device is provided with a type-C output interface;
adapter device for electric connection the battery package with charging device, adapter device includes:
the shell forms an accommodating cavity for accommodating the circuit board;
the input part is arranged on one side of the shell and is provided with a type-C input interface;
the output part is arranged on the other side of the shell and is used for being combined with a battery pack, and the output part is provided with an output interface which is used for being connected with a terminal on the battery pack;
the output interface is electrically connected with the type-C input interface through a circuit board;
when the type-C input interface of the adapter device is electrically connected with the type-C output interface of the charging device, the adapter device charges the battery pack through the output interface.
The present invention also provides a charging system comprising:
a first battery pack having a first nominal operating voltage, the first battery pack provided with a first battery pack terminal;
a second battery pack having a second nominal operating voltage, the second battery pack provided with a second battery pack terminal;
the charging device is provided with a type-C output interface;
the adapter device is used for electrically connecting the first battery pack or the second battery pack with the charging device, and comprises:
the shell forms an accommodating cavity for accommodating the circuit board;
the input part is arranged on one side of the shell and is provided with a type-C input interface;
the output part is arranged on the other side of the shell and is used for being combined with a first battery pack or a second battery pack, and the output part is provided with an output interface and is used for being connected with a first battery pack terminal on the first battery pack or a second battery pack terminal on the second battery pack;
the output interface is electrically connected with the type-C input interface through a circuit board;
when the type-C input interface of the adapter device is electrically connected with the type-C output interface of the charging device, the adapter device charges the first battery pack or the second battery pack through the output interface.
As described above, with the adoption of the adapting device and the charging system, the output voltage of the charging device is converted into the input voltage of the battery pack according to the voltage requirement of the battery pack; the charging device is connected with the adapter device by arranging the interfaces with the same direction and connecting the charging lines among the interfaces with the same type; the battery pack is engaged with the fitting device by providing the second guide rail on the second housing. Through the adapter device provided by the invention, the same charging device can charge various types of battery packs.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a view of a battery pack directly connected to a charging device.
Fig. 2 is a structural view of a charging device.
Fig. 3 is a structural view of a battery pack.
Fig. 4 is a diagram of an application scenario of an adaptive device.
Fig. 5 is a perspective view of the housing.
Fig. 6 is an exploded view of the adapter device.
Fig. 7 is a view showing the structure of the first casing.
Fig. 8 is a side view of the second housing.
Fig. 9 is a view showing the other side of the second housing.
Fig. 10 is a view showing a structure of a charging cord.
Fig. 11 is a block diagram of a battery pack control system.
Fig. 12 is a block diagram of a charging device control system.
Fig. 13 is a block diagram of a charge conversion control system.
Fig. 14 is a flow chart of battery pack charging.
Fig. 15 is a flow chart of the charging device charging the battery pack.
Fig. 16 is a flowchart of a charging conversion method.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 is a view illustrating a situation in which a battery pack 100 is directly connected to a charging device 20, as shown in fig. 2, the charging device 20 includes a charger housing 21, a battery pack charging slot 211 is disposed on the charger housing 21, a first power supply terminal 23 is disposed on a front side of the battery pack charging slot 211, when the battery pack 100 is charged, the battery pack 100 is installed in the battery pack charging slot 211, and the first power supply terminal 23 is connected to a terminal 132 of the battery pack 100. The two opposite sides of the battery pack charging slot 211 are provided with a convex block 212, the convex block 212 is matched with the sliding rail 1102, when the battery pack 10 is installed in the battery pack charging slot 211 of the charging device 20 for charging, the matching between the convex block 212 and the sliding rail 1102 plays a role in guiding or facilitating sliding, so that the battery pack can be installed smoothly. At this time, if the charging device 20 directly charges the battery pack 100, the output voltage of the charging device 20 needs to be matched with the input voltage of the battery pack 100, so as to realize the normal charging of the battery pack 100; or the output voltage of the charging device 20 does not exceed the maximum withstand voltage of the battery pack 100, the battery pack 100 can achieve the charging function, but the optimal charging effect cannot be achieved. That is, each battery pack 100 needs to match the corresponding charging device 20 to achieve the optimum state of charge of the battery pack 100. In the present embodiment, an adapting device 40 is provided, which can convert the output voltage of the charging device 20 into the input voltage required by the battery pack 100 according to the input voltage requirement of the battery pack 100.
Referring to fig. 1 to 4, a charging system according to the present invention includes a charging device 20, an adapter 40, and a battery pack 100. Charging device 20 is connected with adapter 40, and in one side of charging device 20, is provided with a Type-C output interface 22, and Type-C output interface 22 passes through charging wire 1001 electric connection in adapter 40's voltage input end.
Referring to fig. 1 to fig. 3, the present invention provides a battery pack 100, wherein a top surface of a battery pack housing 10 is provided with an insertion portion 1101, two sides of the insertion portion 1101 are provided with slide rails 1102, and the slide rails 1102 are used for connecting with an adapter 40. Specifically, as shown in fig. 3, the battery pack case 10 includes an upper case 11 and a lower case 12, the upper case 11 is fixedly connected to the lower case 12, the circuit board is accommodated in an accommodating space formed by assembling the upper case 11 and the lower case 12, a plugging portion 1101 is disposed on a top surface of the upper case 11, slide rails 1102 are disposed on two sides of the plugging portion 1101, and the terminal 132 is disposed at one end of the plugging portion 1101 and located between the slide rails 1102 on two sides of the plugging portion 1101, when the adapting device 40 is connected to the battery pack 100 through the second guide rail 419, the terminal 132 is electrically connected to a voltage output end of the adapting device 40, and the terminal 132 is an output terminal. The upper case 11 of the battery pack case 10 is further provided with a stopper 111, and is sealed by a mounting groove cover 1121. The limiting member 111 is mounted on the side of the upper housing 11 away from the terminal 132 and is used for locking the battery pack 100 when the battery pack 100 is connected to the adapter 40, so as to prevent the battery pack 100 from falling off from the tool. Specifically, the limiting member 111 includes a limiting pressing portion 1111 and a limiting post 1112, and the limiting pressing portion 1111 is used for an operator to operate so as to release the lock between the battery pack 100 and the adapting device 40; the limiting post 1112 is used for realizing a fixed connection between the limiting member 111 and an external tool.
Referring to fig. 1 and fig. 6, an adapter 40 according to the present invention is disposed between a charging device 20 and a battery pack 100, and is used for converting an output voltage of the charging device 20 into an input voltage required by the battery pack 100. The adapter 40 provided by the invention comprises a shell 41 and a circuit board 402, wherein the shell 41 comprises a first shell 401 and a second shell 403, the first shell 401 and the second shell 403 are respectively provided with a concave part, when the first shell 401 is mounted, the second shell 403 is buckled on the first shell 401, a containing cavity is formed, and the containing cavity is formed by the concave part of the first shell 401 and is used for placing the circuit board 402. In the receiving cavity formed in the first housing 401, a circuit board 402 is mounted for fixing the circuit board 402, and the recess of the second housing 403 is used for engaging with the battery pack 100.
Referring to fig. 1, 4 to 9, in an embodiment of the invention, the first housing 401 is connected to the charging device 20 through a charging wire 1001, and an input portion of the adapter 40 is disposed at a side of the first housing 401 connected to the charging device 20, and the output portion includes a first interface 408 connected to the charging device 20. On a side wall of the first recess 411, a first through hole 407 is provided. The first interface 408 is disposed on the circuit board 402 and located in the first recess 411 of the first housing 401, the first interface 408 extends into the first through hole 407, the first interface 408 is electrically connected to an input end of the circuit board 402 and is an input interface of the adapting device 40, and the first interface 408 is, for example, a Type-C input interface. When the adapter 40 is connected to the charging device 20 through the charging wire 1001, the Type-C output interface 22 is electrically connected to the first interface 408.
Referring to fig. 4 to 9, in an embodiment of the invention, a key 409 is disposed on a surface of the first housing 401, and the key 409 extends into the first recess 411 and can be used as a key switch of the circuit board 402. In the first concave portion 411 and outside the first concave portion 411, a plurality of clamping posts 412 are disposed, which are connected to a clamping point 417 of a second concave portion 418 on the second housing 403, for positioning the first housing 401 and the second housing 403 and connecting the first housing 401 and the second housing 403, wherein the clamping posts 412 are hollow cylinders, the clamping point 417 is a hollow cylinder, an outer diameter of the clamping posts 412 is equal to an inner diameter of the hollow cylinder on the clamping point 417, and the clamping posts 412 are clamped into the clamping point 417. A plurality of second locking slots 413 are further provided on the side wall of the first recess 411, and are engaged with the locking pieces 416 on the second housing 403 for fixedly connecting the first housing 401 and the second housing 403. A plurality of support plates 410 for reinforcing the first housing 401 are further provided at the outer side of the first recess 411.
Referring to fig. 4 to 9, in an embodiment of the invention, the second housing 403 has a plurality of fastening points 417 disposed on a side connected to the first housing 401 for fastening with fastening posts 413 of the first housing 401. And a plurality of clips 416 are further arranged on the side where the second housing 403 is connected with the first housing 401, and the positions of the clips 416 correspond to the second card slots 413, and when the first housing 401 and the second housing 403 are clamped, the clips 416 are clamped and connected with the second card slots 413. The circuit board 402 is fixed on the side where the second housing 403 is connected to the first housing 401, and when the first housing 401 is engaged with the second housing 403, the circuit board 402 is located in the first recess 411. The output end of the circuit board 402 is connected to a plurality of second interfaces 414, one end of each second interface 414 is electrically connected to the output end of the circuit board 402, and is an output interface of the adapter 40, and the other end of each second interface 414 sequentially passes through the second through hole 415 on the second housing 403 to the second concave portion 418, and when the second housing 403 is clamped on the battery pack 100, the second interface 414 is further electrically connected to the terminal 132 of the battery pack 100.
Referring to fig. 1 to 9, in an embodiment of the invention, an output portion of the adapting device 40 is disposed on an opposite side of the second housing 403 connected to the first housing 401, that is, a side of the second housing 403 connected to the battery pack 100, and the output portion includes a second interface 414 electrically connected to the terminal 132 and a second guide rail 419 engaged with the slide rail 1102. Specifically, the second housing 403 is provided with a second recess 418, the second recess 418 is a recess having an opening, and two opposite sidewalls of the second recess 418 are provided with second guide rails 419, that is, the second guide rails 419 are provided on the sidewalls adjacent to the opening. The two second rails 419 are disposed in parallel to engage with the slide rail 1102 of the battery pack 100. And on one side of the opening, the bottom wall of the second concave portion 418 is further provided with a limiting groove 421, the shape of the limiting groove 421 is adapted to the shape of a limiting post 1112 on the battery pack 100, and when the second concave portion 418 of the second housing 403 is clamped on the inserting portion 1101 of the battery pack 100, the limiting post 1112 is clamped in the limiting groove 421.
Referring to fig. 1 to 10, when the adapting device 40 connects the charging device 20 and the battery pack 100, the first interface 408 on the first housing 401 is electrically connected to the Type-C output interface 22 through the charging wire 1001; the second rail 419 of the second housing 403 is engaged with the slide rail 1102 of the battery pack 100, and the second port 414 is electrically connected to the terminal 132 of the battery pack 100. The circuit board 402 disposed in the receiving cavity formed by the first recess 411 of the first housing 401 converts the output voltage of the charging device 20 into the input voltage required by the battery pack 100. This application does not restrict the length of charging wire 1001, and the both ends of charging wire 1001 are the Type-C interface. And the invention also limits the rated working voltage of the battery pack 100, for example, the first battery pack has the first rated working voltage, the terminal 132 is the first battery pack terminal, the second interface 414 is electrically connected to the first battery pack terminal, converts the output voltage of the charging device 20 into the first rated working voltage, and charges the charging device 20; the second battery pack has a second rated operating voltage, and the terminal 132 is a second battery pack terminal, the second interface 414 is electrically connected to the second battery pack terminal, and converts the output voltage of the charging device 20 into the second rated operating voltage to charge the charging device 20.
Referring to fig. 11, in an embodiment of the present invention, a control system of a battery pack 100 includes: the battery pack 120 (lithium battery), the main control unit 181, the detection unit 171 and the activation unit 110 electrically connected to the main control unit 181, the COM communication processing unit 191 electrically connected to the main control unit 181 and the activation unit 110, the DC-DC unit 130 electrically connected to the battery pack 120 and the main control unit 181, the first charging and discharging protection unit 151 electrically connected to the battery pack 120, the main control unit 181 and the DC-DC unit 130, and the terminal 132, wherein the terminal 132 includes four terminals, P +, CHG, COM and P-, and the terminals P + and CHG are connected to the first charging and discharging protection unit 151 and connected to the positive electrode of the battery, the COM port is connected to the COM communication processing unit, and the P-port is connected to the negative electrode of the battery.
Referring to fig. 11, in the present invention, the detecting unit 171 is used for detecting the single-node voltage in the electric core assembly 120, the temperature of the electric core assembly 120, and the like, and transmitting the detection result to the main control unit 181, the main control unit 181 is used for receiving the data information of the detecting unit 2 and the circuit charging and discharging information, and performing a corresponding protection operation after analyzing, wherein the detecting unit 171 and the main control unit are communicated by using I2C; the DC-DC unit 130 converts the voltage at the two ends of the electric core group 120 into the voltage required by the operation of the main control unit 181 and other modules; the first charging and discharging protection unit 151 receives a protection instruction from the main control unit 181, and completes a charging and discharging protection action of the loop; the COM communication processing unit 191 processes communication between external COM communication and the main control unit 181; the activation unit 110 receives an activation signal from the outside, including a KEY signal (KEY) and a COM signal, completes a power-on operation of the main control unit 181, and after the power-on operation is completed by the main control unit, communicates with the outside through the COM communication processing unit.
Referring to fig. 11 and 14, in the present embodiment, the method for controlling the battery pack 100 includes the following steps: s10: the battery pack 100 is electrically connected to the adapter 40; s11: activating the battery pack 100; s12: battery pack 100 communicates with adapter device 40; s13: judging whether the handshake is successful, and when the handshake is successful, executing S14: entering a charging mode; otherwise, the process returns to step S12.
Referring to fig. 11 and 14, in an embodiment of the invention, a control method of the battery pack 100 specifically includes: after the battery pack 100 is electrically connected to the adapting device 40, the adapting device 40 activates the battery pack 100 through the COM signal, performs communication handshake between the battery pack 100 and the adapting device 40, and determines whether the handshake is successful, if not, the battery pack is always in a handshake mode, after the handshake is successful, the adapting device 40 sends a charging request through the COM signal, and when the battery pack 100 passes the request, the battery pack 100 enters a charging mode. When the battery pack 100 enters the charging mode, the main control unit 181 monitors the battery state in real time, including voltage, current, and cell temperature, and stops charging when a voltage abnormality or a temperature abnormality occurs in a single cell. In this embodiment, the main control unit 181 may further include an electric quantity calculating module, which calculates the electric quantity of the battery in real time, and stops charging when the electric quantity of the battery pack 100 is a first threshold, that is, when the state of charge S0C is equal to the first threshold, where the first threshold is, for example, 100%.
Referring to fig. 12, a control system of the charging device 20 includes: the ac-dc conversion unit 202 is electrically connected to the first dc-dc conversion unit 209 of the ac-dc conversion unit 202, the second dc-dc conversion unit 204 is electrically connected to the ac-dc conversion unit 202, the second main control unit 201 is electrically connected to the first dc-dc conversion unit 209 and the second dc-dc conversion unit 204, the Type-C output interface 22 is electrically connected to the second main control unit 201, the Type-C output interface 22 includes VBUS, CC, D +, D-and GND ports, the second communication processing unit 208 is electrically connected between the Type-C output interface 22 and the second main control unit 201, and the charging protection unit 206 is electrically connected between the Type-C output interface 22 and the second main control unit 201.
Referring to fig. 12, in the present invention, an ac-dc conversion unit 202 is used for converting ac power into dc power; the first dc-dc conversion unit 209 converts the dc power output from the ac-dc conversion unit 202 into a voltage required for the battery pack according to an input voltage required for the battery pack 100; the second dc-dc conversion unit 204 converts the dc power output by the ac-dc conversion unit 202 into a power supply voltage for the second main control unit 201 and other modules to work; the charging protection unit 206 is configured to receive a protection command from the second main control unit 201 to complete discharging protection of the charging device 20, the second communication processing unit 208 completes communication between the adapter device 40 and the charging device 20, and the second main control unit 201 processes the power-up and power-down instructions provided by the second communication processing unit 208 and the charging protection unit 206. In this embodiment, the second communication processing unit 208 is a Type-C communication processing unit.
Referring to fig. 12 and 15, after the charging device 20 is connected to the adapting device 40, the method for controlling the charging device 20 includes the following steps: s30: the charging device 20 is connected with the adapting device 40; s31: the charging device 20 and the adapting device 40 perform communication handshake; s32: judging whether the handshake is successful, and if so, executing step S33: the charging device 20 charges the battery pack 100, otherwise returns to step S31. Specifically, in an embodiment of the present invention, after the charging device 20 is connected to the adapting device 40, and after the whole system (including the battery pack 100 and the control system in the adapting device 40) is activated, the charging device 20 performs communication handshake with the adapting device 40 through the Type-C output interface 22, if the communication handshake is not successful, the charging protection unit 206 is always in a handshake mode, and after the handshake is successful, the second main control unit 201 starts the charging protection unit 206 and sends a charging request to charge the battery pack 100 through the post-charging device 20.
Referring to fig. 12, a charging conversion control system 42 according to the present invention is disposed between the charging device 20 and a control system of the battery pack 100, and the charging conversion control system 42 mainly includes: the third communication processing unit 433 is electrically connected to the second interface 414, the third main control unit 434 is electrically connected to the third communication processing unit 433, the full-bridge driving unit 437 is electrically connected to the third main control unit 434, the full-bridge power unit 436 is electrically connected to the second interface 414 and the full-bridge driving unit 437, and the fourth communication processing unit 439 is electrically connected to the third main control unit 434, and the full-bridge power unit 436 and the fourth communication processing unit 439 are electrically connected to the first interface 408. When the control system of the battery pack 100 and the control system of the charging device 30 are electrically connected, the second interface 414 is electrically connected to the terminal 132 of the battery pack 100, and the first interface 408 is electrically connected to the Type-C output interface 22 of the charging device 20.
Referring to fig. 12, the second interface 414 of the present invention is an output interface of the charging conversion control system 42, which is electrically connected to the terminal 132 of the battery pack 100 and corresponds to the terminal 132, and the second interface 414 includes four output terminals P +, CHG, COM, and P-which correspond to the terminals 132 of the battery pack 100 one by one, wherein the CHG port is a charging port, the P +, P-port is used for providing an input voltage of the battery pack 100, and the COM port is used for communication. The first interface 408 is an input interface of the charging conversion control system 42, and is electrically connected to the Type-C output interface 22 of the charging device 20, and the first interface 408 includes VBUS, CC, D +, D-, and GND ports, which correspond to the ports of the Type-C output interface 22 one by one. The D + and D-ports are used for receiving an input voltage of the charging conversion control system 42, the CC port is used for communication between the charging conversion control system 42 and the charging device 20, the GND port is a ground terminal, and VBUS outputs a constant voltage to supply power to each module in the charging device 20, where VBUS is, for example, a commonly used 5V voltage.
Further, referring to fig. 12, the third communication processing unit 433 is electrically connected to the COM port of the second interface 414, and the third main control unit 434, so as to implement communication between the battery pack 100 and the adapting device 40, in this embodiment, the third communication processing unit 433 is a COM communication processing unit, and is matched with COM communication of the battery pack 100. The third main control unit 434 receives signals of the respective modules and issues an operation instruction. One end of the fourth communication processing unit 439 is electrically connected to the third main control unit 434, and the other end is electrically connected to the first interface 408, so as to implement communication between the charging device 20 and the adapting device 40.
Further, as shown in fig. 12, the full-bridge driving unit 437 is electrically connected to the third main control unit 434, the full-bridge power unit 436 is electrically connected to the second interface 414 and the full-bridge driving unit 437, the full-bridge driving unit 437 and the full-bridge power unit 436 form a voltage boosting module, the information of the output voltage can be obtained according to the communication between the third communication processing unit 433 and the battery pack 100, the information of the required input voltage can be obtained according to the communication between the fourth communication processing unit 439 and the charging device 20, the third main control unit 434 determines the duty ratio of the output PWM signal according to the input voltage and the required output voltage, and according to the PWM signal sent by the third main control unit 434, the full-bridge driving unit 437 and the full-bridge power unit 436 convert the voltage input by the first interface 408 of the charging device 20 into the voltage required by the battery pack 100 and output by the second interface 414.
Referring to fig. 12, the charging conversion control system 42 of the present invention further includes a dc-dc conversion unit 430, an input end of which is electrically connected to the first interface 414, specifically, an input end of the dc-dc conversion unit 430 is electrically connected to the VBUS port, an output end of which is electrically connected to the third main control unit 434 and each module, and the dc-dc conversion unit 430 converts an input voltage of the first interface 414 into a working voltage required by each module to work, where the working voltage is, for example, 5V.
Referring to fig. 12, the charging conversion control system 42 of the present invention further includes a key activation unit 431, where the key activation unit 431 is a trigger unit, and is connected to a key 409 on the first housing 401, and when the charging conversion control system 42 needs to be turned on, the key 409 is pressed to trigger the key activation unit 431, so as to activate a third main control unit 434 electrically connected to the key activation unit 431, and further activate the charging conversion control system 42; when the key 409 is pressed again, the third main control unit 434 is turned off through the key activation unit 431, and the charge conversion control system 42 is turned off.
Referring to fig. 12, the charging conversion control system 42 of the present invention further includes a total voltage detection unit 432, wherein one end of the total voltage detection unit 432 is electrically connected to the second interface 414, specifically, one end of the total voltage detection unit 432 is electrically connected to the P + port, and the other end of the total voltage detection unit 432 is electrically connected to the third main control unit 434. The total voltage detection unit 432 detects an input voltage required for the battery pack 100 before voltage conversion.
Referring to fig. 12, the charging conversion control system 42 of the present invention further includes a current sampling unit 440, wherein the current sampling unit 440 is electrically connected between the second interface 414 and the first interface 408, is connected in series to the loop of the charging conversion control system 42, and is also electrically connected to the third main control unit 434. Specifically, one end of the current sampling unit 440 is electrically connected to the P-port, the other end is electrically connected to the D-port, and is also electrically connected to the third main control unit 434; the current sampling unit 440 is configured to detect a current in the loop and transmit current information in the loop to the third main control unit 434, and when the current in the circuit is abnormal, the voltage conversion process may be terminated.
Referring to fig. 12, the charging conversion control system 42 of the present invention further includes a switch unit 435, wherein the switch unit 435 is electrically connected between the second interface 414 and the first interface 408, and is electrically connected to the third main control unit 434, specifically, one end of the switch unit 435 is electrically connected to the P + port, and the other end is electrically connected to the input end of the full-bridge power unit 436, and is electrically connected to the third main control unit 434. When the third main control unit 434 sends a turn-on command, the switch unit 435 is turned on, the full-bridge power unit 436 has an input voltage, and the charge conversion control system 42 can implement a voltage conversion function, and when the third main control unit 434 sends a turn-off command, the switch unit 435 is turned off, a circuit where the full-bridge power unit 436 is located is disconnected, and the charge conversion control system 42 cannot implement the voltage conversion function. In the present application, the switching unit 435 is turned off when an input voltage is excessive/insufficient, a current is abnormal, a charge/discharge is abnormal, or the like.
Referring to fig. 12, the charging conversion control system 42 of the present invention further includes a second charging/discharging protection unit 438, wherein the second charging/discharging protection unit 438 is connected between the first interface 408 and the full-bridge power unit 436, and is electrically connected to the third main control unit 434. And receives a protection command from the third main control unit 434 to complete the charging and discharging protection of the loop. In this embodiment, the second charging and discharging protection unit 438 is a Type-C charging and discharging protection unit.
Referring to fig. 12 and fig. 15, in an embodiment of the present invention, a charging conversion method specifically includes:
s400: activating the charge conversion control system 42 by the key activation unit 431;
specifically, the key activation unit 431 is triggered by pressing the key 409 on the first housing 401, and the third main control unit 434 electrically connected to the key activation unit 431 is activated, so as to activate the charging conversion control system 42. In this embodiment, when the key 409 is pressed again, the third main control unit 434 is turned off by the key activation unit 431, and the charging conversion control system 42 is turned off.
S401: the switching unit 435 is turned on by the third main control unit 434;
specifically, the switch unit 435 is disposed between the second interface 414 and the first interface 408, and between the second interface 414 (input end) and the full-bridge power unit 436, and when the switch unit 435 is turned off, the voltage conversion cannot be performed.
S402: performing communication handshake through the third communication processing unit 433 and the fourth communication processing unit 439;
specifically, the third communication processing unit 433 is electrically connected to the COM port of the second interface 414 to perform COM communication handshake with the battery pack 100, and the fourth communication processing unit 439 is electrically connected to the CC port of the first interface 408 to perform CC communication handshake with the charging device 20.
S403: judging whether the handshake is successful, if so, executing the step S405, otherwise, returning to the step S402;
s405: the total voltage detection unit 432 detects a required input voltage of the battery pack 100;
specifically, the total voltage detection unit 432 is electrically connected to the P + port of the second interface 414, and is used for detecting a required input voltage of the battery pack 100, where the input voltage of the battery pack 100 is an output voltage of the charge conversion control system 42.
S406: judging whether the output voltage of the battery pack 100 is full;
specifically, the total voltage detection unit 432 determines whether the power amount in the battery pack 100 is full, that is, the state of charge SOC is equal to a first threshold, for example, 100%, when the power amount in the battery pack 100 is not full, that is, the state of charge SOC is less than 100%, step S407 is executed, otherwise, step S417 is executed to stop charging.
S407: the third main control unit 434 sends out a PWM signal;
specifically, the full-bridge driving unit 437 and the full-bridge power unit 436 form a boost module, and according to the input voltage required by the battery pack 100 detected by the total voltage detection unit 432, the third main control unit 434 controls the voltage output of the full-bridge power unit 436 by sending a PWM signal with a certain duty ratio.
S408: the full bridge power cell 436 provides a charging voltage;
specifically, after the switch unit 435 is turned on and the third main control unit 434 sends the PWM signal to the boost module, the full-bridge power unit 436 performs voltage conversion to convert the output voltage of the charging device 20 into the input voltage required by the battery pack 100, where the charging voltage is the output voltage of the charging conversion control system 42.
S409: the third main control unit 434 detects the input voltage, the output voltage, and the loop current of the charge conversion control system 42;
specifically, in the process of voltage conversion of the charging conversion control system 42, the third main control unit 434 detects information in the circuit in real time, including detecting the output voltage of the battery pack 100, i.e., the input voltage of the charging conversion control system 42, by the total voltage detection unit 432; the input voltage of the charge conversion control system 42 is detected by the second charge-discharge protection unit 438; and detects the current of the charge conversion control system 42 loop through the current sampling unit 440.
S410: determining whether the input voltage, the output voltage, and the loop current of the charge conversion control system 42 are abnormal;
specifically, the total voltage detection unit 432 may detect whether the output voltage of the charge conversion control system 42 is abnormal; in the third main control unit 434, according to the voltage required by the charge conversion system 42, it may be set that the threshold of the input voltage at the VBUS end in the charge conversion control system 42 is a second threshold, and the threshold of the loop current in the charge conversion control system 42 is a third threshold; the second charge/discharge protection unit 438 monitors the input voltage of the charge conversion control system 42 in real time, and transmits the input voltage to the third main control unit 434, and when the input voltage of the charge conversion control system 42 is within the second threshold, it is determined that no abnormality occurs, and when the input voltage of the charge conversion control system 42 is not within the second threshold, it is determined that an abnormality occurs; the current sampling unit 440 monitors the loop current of the charge conversion control system 42 in real time, and determines that no abnormality occurs when the loop current of the charge conversion control system 42 is within a third threshold, and determines that an abnormality occurs when the loop current of the charge conversion control system 42 is not within the third threshold. When any one of the above abnormalities occurs, it is determined that an abnormality occurs, and if an abnormality occurs, step S411 is executed, otherwise step S414 is executed.
S411: the third master control unit 434 adjusts in real time;
specifically, the third main control unit 434 changes the output voltage and the loop current by adjusting the duty ratio of the PWM signal, and during the adjustment process, the third main control unit 434 still monitors the input voltage, the output voltage and the loop current in the charging conversion control system 42 in real time.
S412: recording the adjustment times of the third main control unit 434, and executing step S413 when the adjustment times of the third main control unit 434 reaches the set times; the set number of times is, for example, 5 times.
S413: determining whether the input voltage, the output voltage, and the loop current of the charge conversion control system 42 are abnormal;
specifically, the determination process is the same as that in step S410, when the determination result is no abnormality, step S414 is executed, otherwise, step S417 is executed, and the charging is terminated.
S414: and (5) normally charging.
S415: the current state is interacted with the battery pack 100 through the third communication processing unit 433;
specifically, during the charging process of the battery pack 100, the adapting device 40 performs a turntable interaction with the battery pack 100 through the third communication processing unit 433.
S416: and judging whether the battery pack 100 generates a power cut-off signal, if not, executing the step S414, otherwise, executing the step S417. The battery pack 100 is internally provided with an electric quantity calculating module for monitoring the state of charge of the battery pack 100 in real time, and when the state of charge S0C is 100%, a charge cut-off signal is sent.
S417: stopping charging;
specifically, the third main control unit 434 sends a signal to the switch unit 435 to stop the operation of the charge conversion control system 42.
Referring to fig. 12 and fig. 15, a charging conversion method provided by the present invention mainly includes: after the adapter 40 is connected to the battery pack 100, the charge transfer control system 42 of the adapter 40 can be activated by the button 409 on the adapter 40. After the charging conversion control system 42 is activated, the battery pack 100 is activated by the COM signal and performs communication handshake with the battery pack 100, and after the handshake is successful, the total pressure detection unit 432 detects whether the battery pack 100 is fully charged, and if the battery pack 100 is not fully charged, the battery pack 100 enters a charging mode. The control process of the voltage conversion is as follows: the third main control unit 434 sends out a PWM signal, the full-bridge driving unit 437 provides a suitable output voltage, the third main control unit 434 monitors parameters in the voltage conversion process, the parameters in the voltage conversion process generally include loop current, input voltage and output voltage, a parameter range can be set as required, when the parameters in the voltage conversion process exceed a preset parameter range, it is considered abnormal, the charging/discharging voltage and the charging/discharging current can be dynamically adjusted according to preset logic, the number of times of adjustment can be one or more, specific times can be set as required, and in this embodiment, the number of times is 5. And after adjustment, continuously detecting parameters in the voltage conversion process, stopping charging when the parameters are still abnormal, and normally performing voltage conversion when the parameters are not abnormal. During normal charging, the battery pack 100 and the adapter 40 exchange data in real time through communication, and charging is stopped when the battery pack 100 sends a charging stop signal. In this embodiment, when the state of charge SOC of the battery pack 100 is equal to the first threshold, or when a single cell is abnormal or the temperature is abnormal, the battery pack 100 sends a charge cutoff signal.
In summary, the adapter and the charging system of the present invention can convert the output voltage of the charging device into the input voltage required by the battery pack, detect the technical parameters of the battery pack, the adapter and the charging device in real time during the process of charging the battery pack, and execute the charging conversion method according to the technical parameters to dynamically adjust the input/output power, thereby effectively protecting the safety of the battery pack, the adapter and the charging device and prolonging the service life of the battery pack and the charging device.
In the description of the present specification, reference to the description of the terms "present embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the invention disclosed above are intended merely to aid in the explanation of the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (11)

1. An adapter device, comprising:
the shell forms an accommodating cavity for accommodating the circuit board;
the input part is arranged on one side of the shell and is provided with a type-C input interface;
the output part is arranged on the other side of the shell and is used for being combined with a battery pack, and the output part is provided with an output interface which is used for being connected with a terminal on the battery pack;
the output interface is electrically connected with the type-C input interface through a circuit board.
2. An adapter according to claim 1, wherein the housing comprises a first housing and a second housing, the first housing and the second housing being snap-fitted to form the receiving cavity.
3. An adapter device according to claim 2, wherein the first housing has a first recess, the first recess forming the receiving cavity.
4. An adapter device according to claim 3, wherein the first recess is provided with a first through hole in a side wall thereof, and the type-C input interface extends into the first through hole.
5. An adapting device according to claim 2, wherein the first housing is further provided with a key, and the key is disposed on the surface of the first housing, extends into the accommodating cavity, and is electrically connected to the circuit board.
6. An adapter device according to claim 2, wherein said circuit board is secured to said second housing, said circuit board being located within said receiving cavity when said first housing and said second housing are engaged.
7. An adapter according to claim 2, wherein the second housing has a second recess located on a side remote from the first housing, the second recess having an opening.
8. An adapter device according to claim 7, wherein the second housing is provided with a plurality of second through holes, and the output port passes through the second through holes into the second recess.
9. An adapter device according to claim 7, wherein the second recess is provided with second guide rails on two opposite side walls.
10. An electrical charging system, comprising:
a battery pack provided with a terminal;
the charging device is provided with a type-C output interface;
adapter device for electric connection the battery package with charging device, adapter device includes:
the shell forms an accommodating cavity for accommodating the circuit board;
the input part is arranged on one side of the shell and is provided with a type-C input interface;
the output part is arranged on the other side of the shell and is used for being combined with a battery pack, and the output part is provided with an output interface which is used for being connected with a terminal on the battery pack;
the output interface is electrically connected with the type-C input interface through a circuit board;
when the type-C input interface of the adapter device is electrically connected with the type-C output interface of the charging device, the adapter device charges the battery pack through the output interface.
11. An electrical charging system, comprising:
a first battery pack having a first nominal operating voltage, the first battery pack provided with a first battery pack terminal;
a second battery pack having a second nominal operating voltage, the second battery pack provided with a second battery pack terminal;
the charging device is provided with a type-C output interface;
the adapter device is used for electrically connecting the first battery pack or the second battery pack with the charging device, and comprises:
the shell forms an accommodating cavity for accommodating the circuit board;
the input part is arranged on one side of the shell and is provided with a type-C input interface;
the output part is arranged on the other side of the shell and is used for being combined with a first battery pack or a second battery pack, and the output part is provided with an output interface and is used for being connected with a first battery pack terminal on the first battery pack or a second battery pack terminal on the second battery pack;
the output interface is electrically connected with the type-C input interface through a circuit board;
when the type-C input interface of the adapter device is electrically connected with the type-C output interface of the charging device, the adapter device charges the first battery pack or the second battery pack through the output interface.
CN202110592719.9A 2020-11-06 2021-05-28 Adaptation device and charging system Pending CN114448007A (en)

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CA3220576A CA3220576A1 (en) 2021-05-28 2022-04-15 Battery pack, power 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
AU2022282142A AU2022282142A1 (en) 2021-05-28 2022-04-15 Battery pack, electric 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
CN202022544944 2020-11-06
CN2020225449449 2020-11-06
CN2020112282019 2020-11-06

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CN202110592719.9A Pending CN114448007A (en) 2020-11-06 2021-05-28 Adaptation device and charging system
CN202121189296.8U Active CN218548688U (en) 2020-11-06 2021-05-28 Adaptation device and tool system
CN202121180953.2U Active CN218548687U (en) 2020-11-06 2021-05-28 Charger and charging system
CN202110594839.2A Pending CN114448009A (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
CN202121189685.0U Active CN220400799U (en) 2020-11-06 2021-05-28 Battery pack, electric tool and charging system
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CN202110592720.1A Pending CN114448008A (en) 2020-11-06 2021-05-28 Multi-slot charger 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
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CN202110594839.2A Pending CN114448009A (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
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