CN109860443A - A kind of battery pack assembly - Google Patents

A kind of battery pack assembly Download PDF

Info

Publication number
CN109860443A
CN109860443A CN201711238308.XA CN201711238308A CN109860443A CN 109860443 A CN109860443 A CN 109860443A CN 201711238308 A CN201711238308 A CN 201711238308A CN 109860443 A CN109860443 A CN 109860443A
Authority
CN
China
Prior art keywords
output port
voltage output
battery core
voltage
pack assembly
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
CN201711238308.XA
Other languages
Chinese (zh)
Inventor
刘永明
邹爱龙
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.)
Nanjing Chervon Industry Co Ltd
Original Assignee
Nanjing Chervon Industry 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
Application filed by Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Priority to CN201711238308.XA priority Critical patent/CN109860443A/en
Publication of CN109860443A publication Critical patent/CN109860443A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a kind of battery pack assemblies, belong to battery technology field, for solve existing battery pack assembly poor universality the problems such as and design.Battery pack assembly of the invention includes cabinet, battery core, voltage switching device and at least two voltage output ports;Battery core is set in cabinet;Each voltage output port can be electrically connected with wherein at least part battery core;Voltage switching device is configured such that the output voltage of at least two voltage output therein port is different.Battery pack assembly provided by the invention makes voltage output port export different voltages by voltage switching device, and can be adapted at least two different voltages simultaneously uses electric tool, and versatility is good, user-friendly.

Description

A kind of battery pack assembly
Technical field
The present invention relates to battery technology field more particularly to a kind of battery pack assemblies.
Background technique
Battery pack is powered in for electric tool etc..Different electric tools may may require that different voltage ratings.
But current same battery pack usually only has a kind of output voltage, such as 24V or 48V, poor universality, to use Family makes troubles.For example, if needing the electrician using electrician tool and 48V that voltage rating is 24V when user operates outside Tool, then need to carry two different battery packs of output voltage simultaneously, and troublesome and burden is heavier.
In addition, existing battery pack does not have mistake proofing plugging function;If low pressure is inserted into High voltage output port with electric tool Battery pack on, then be likely to result in burning machine problem;If high voltage electric tool to be inserted into the battery pack of low-voltage output mouth On, then it is likely to result in the problem of can not being started with electric tool.
Summary of the invention
An object of the present invention is to provide one kind can be adapted to the good with electric tool, versatility of different utilization voltages Battery pack assembly.
Another object of the present invention is to propose a kind of battery pack assembly that can be convenient switching output voltage.
Another purpose of the invention is that proposing that a kind of tool bring for avoiding insertion different voltages burns machine or can not The battery pack assembly of starting problem.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of battery pack assembly, the battery pack assembly include cabinet, battery core, voltage switching device and at least two voltages Output port;The battery core is set in the cabinet;Each voltage output port can with described in wherein at least part Battery core electrical connection;The voltage switching device is configured such that the output electricity of the therein at least two voltage output ports Pressure is different.
As a preferred solution, the quantity of the battery core is at least two;The voltage switching device is configured as So that forming at least one series winding and/or parallel connection structure between the battery core;The output of each voltage output port is just Pole and output negative pole are connect with the both ends of connection structure described in one of them or with the both ends of battery core described in one of them respectively.
Further, the voltage switching device includes conductive component and shifting part;The conductive component can be described At least partly described battery core is connected and/or is together in parallel by movement under the stirring of shifting part.
Further, the battery pack assembly includes the first battery core and the second battery core;The voltage output port includes the One voltage output port and second voltage output port;Opening is provided on the cabinet, the first voltage output port is set It is placed in the cabinet and is located at below the opening, the second voltage output port is located on the cabinet;It is described to stir Part is the lid being set on the cabinet, and the lid can open or close the opening;By institute when the lid is closed It states the first battery core to connect with second battery core, first battery core is defeated with the second voltage after connecting with second battery core Exit port connection, the lid disconnect cascaded structure between first battery core and second battery core when opening, and described first Voltage output port is connect with the both ends of at least one of first battery core and second battery core.
Further, the second voltage output port is located on the outer surface of the cabinet.
Further, the quantity of the voltage output port is two, the cartridge insertion direction of two voltage output ports It is different.
Further, the cartridge insertion direction of two voltage output ports is vertical.
As another preferred scheme, the voltage switching device includes adapter, and the voltage output port includes The first voltage output port being set on the cabinet and the second voltage output port being set on the adapter;
The first voltage output port is electrically connected with each battery core;
The adapter can be electrically connected with the first voltage output port and by the first voltage output port Voltage exports after being raised and lowered through the second voltage output port.
As another preferred scheme, electric isolution state is between each battery core;The voltage switching device packet Include at least two adapters;The voltage output port and multiple connecting pins are respectively arranged on each adapter;It is each The connecting pin of the adapter is connect respectively so that each adapter with the battery core by different circuits The voltage output port output voltage it is different.
Further, the battery pack assembly includes the locking structure being set on the cabinet, and the locking structure is used In locking.
Beneficial effects of the present invention are as follows:
Battery pack assembly provided by the invention makes voltage output port export different voltages by voltage switching device, can Electric tool is used with the different utilization voltages of adaptation at least two simultaneously, versatility is good, user-friendly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the battery pack assembly that the preferred embodiment of the present invention one provides;
Fig. 2 is the structural schematic diagram after Fig. 1 removal part cabinet;
Structural schematic diagram when Fig. 3 is the first battery core and the second battery core is in non-series connection;
Fig. 4 is the structural schematic diagram after conductive component connects the first battery core and the second battery core;
Fig. 5 is the structural schematic diagram of lid in the open state;
Fig. 6 is the structural schematic diagram of lid in the closure state;
Fig. 7 is the structural schematic diagram for the battery pack assembly that the preferred embodiment of the present invention two provides;
Fig. 8 is the decomposition texture schematic diagram of Fig. 7.
In figure: 1, cabinet;2, battery core;31, first voltage output port;32, first voltage output port;41, the second electricity Press output port;42, second voltage output port;5, conductive component;6, lid;7, it is open;8, adapter;91, the first contact; 92, the second contact;10, locking structure.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Preferred embodiment one:
Present embodiments provide a kind of battery pack assembly.As depicted in figs. 1 and 2 comprising cabinet 1, battery core 2, voltage are cut Changing device and at least two voltage output ports;Cabinet 1 is preferred but is not limited to substantially in cube shaped.Battery core 2 is set to case In body 1;Each voltage output port can be electrically connected with wherein at least part battery core 2;Voltage switching device is configured such that The output voltage of at least two voltage output therein port is different.Electricity in order to facilitate switching output voltage, in the present embodiment Crush-cutting changing device includes conductive component 5 and shifting part;Conductive component 5 can the movement under the stirring of shifting part, will wherein extremely Small part battery core 2 connects and/or is together in parallel, and the output cathode and output negative pole of each voltage output port are respectively with wherein one The both ends of a connection structure are connect with the both ends of one of battery core 2.
As specific embodiment, as in Figure 2-4, the quantity of battery core 2 is two, respectively the first battery core and second Battery core, each battery core 2 include an at least batteries.The quantity of voltage output port is two, respectively first voltage output end Mouth 31 and second voltage output port 41.Two voltage output ports are set on cabinet 1.Voltage switching device is configured to It is enough so that forming cascaded structure between the first battery core and the second battery core, the separated of the first battery core and the second battery core can also be made Cascaded structure.It is connect after first battery core and the series connection of the second battery core with one of voltage output port, specifically, with second voltage Output port 41 connects;After the separated cascaded structure of first battery core and the second battery core, the first battery core and one in the second battery core A both ends are connect with another voltage output port, and specifically, the both ends of the first battery core and first voltage output port 31 connect It connects.
When two battery cores 2, which are together in series, powers, the output voltage of battery pack assembly is maximum;And work as a battery core 2 and power, Battery pack assembly can also export the voltage of smaller value.The present embodiment is introduced so that the output voltage of two battery cores 2 is 24V as an example Battery pack assembly: between two battery cores 2 connect after the voltage that can export 48V is connect with second voltage output port 41;The One voltage output port 31 is connect with the both ends of one of battery core 2, then first voltage, which exports 31 ports, can export the electricity of 24V Pressure.The case where compared to the single battery pack assembly of multiple output voltages is carried simultaneously, the weight of the battery pack assembly of the present embodiment Amount is smaller, volume is smaller, and user is facilitated to carry.Understandably, can also make to be formed between the first battery core and the second battery core in parallel It is connect after structure with first voltage output port 31.Understandably, the output voltage of two battery cores 2 does not limit in the present embodiment It, can be according to the applicable voltage that each battery core 2 is specifically arranged with electric tool in the above-mentioned 24V the case where.
Battery pack assembly provided in this embodiment makes voltage output port export different electricity by voltage switching device Pressure, can be adapted at least two different utilization voltages simultaneously uses electric tool, and versatility is good, user-friendly.
In order to avoid the unmatched electric tool bring of voltage of insertion and voltage output port burns machine or can not start The battery pack assembly of problem.In the present embodiment, the cartridge insertion direction of first voltage output port 31 and second voltage output port 41 It is different.Preferably, the cartridge insertion direction of first voltage output port 31 is vertical with the cartridge insertion direction of second voltage output port 41.Please Referring again to Fig. 1, what the arrow parallel with 1 length direction of cabinet indicated is the inserting side of second voltage output port 41 in Fig. 1 To what the arrow vertical with cabinet 1 indicated is the cartridge insertion direction of first voltage output port 31.It is highly preferred that being arranged on cabinet 1 There is opening 7, first voltage output port 31 is set in cabinet 1 and is located at 7 lower section of opening, and second voltage output port 41 is located at On cabinet 1, preferably it is set on the outer surface of cabinet 1.
In order to further prevent mispluging with the unmatched electric tool of the output voltage of voltage output port, and for the ease of The operation of voltage switching device please refers to Fig. 5 and Fig. 6, and shifting part is the lid 6 being set on cabinet 1, and lid 6 can Open or close opening 7;Lid 6 connects the first battery core with the second battery core when closing, after the first battery core is connected with the second battery core It is connect with second voltage output port 41, lid 6 disconnects the cascaded structure between the first battery core and the second battery core, the first electricity when opening Pressure output port 31 is connect with the both ends of the first battery core.Lid 6 is preferably slideably positioned on cabinet 1.Lid 6 is preferably but not office It is limited to be made of insulating material, it will be appreciated that ground can guarantee the safety of user by way of other any insulation.On lid 6 Voltage identification can be set, voltage identification is used to prompt the voltage output value of the voltage output port of 6 lower section of client's lid.
On the basis of above structure, the battery pack assembly of the present embodiment includes the locking structure 10 being set on cabinet, Locking structure 10 is for locking consuming device, such as electric tool.And preferably, when battery pack assembly and different utilization voltages When electric tool cooperates, these electric tools share a locking structure 10.
It is connect below with the both ends of the first battery core with first voltage output port 31, the both ends of the second battery core and second voltage For output port 41 connects, and combination Fig. 3 to Fig. 6 briefly explains the application method of the present embodiment battery pack assembly:
Wherein, Fig. 3 and Fig. 5 is lid 6 in the open state and when the first battery core and the second battery core is in non-series connection The structural schematic diagram of battery pack assembly;Fig. 4 and Fig. 6 is that lid 6 is in close state and the first battery core and the second battery core are in string The structural schematic diagram of battery pack assembly when connection state.
As shown in Figure 3 and Figure 5, when lid 6 in the open state, first touching at conductive component 5 and the first battery core both ends Second contact 92 of 91 contact of point, conductive component 5 and the second battery core is in not in contact with state (i.e. at the first battery core and the second battery core In non-series connection).The both ends of first battery core are connect with first voltage output port 31, and first voltage output port 31 can be defeated The voltage of 24V out.Low pressure electric tool can be inserted in first voltage output port 31, and low pressure is needed with electric tool along perpendicular to case First voltage output port 31 is inserted into the direction of body 1.
In 6 closing process of lid, lid 6 drives conductive component 5 to the direction of the second contact 92 close to the second battery core Movement, during being somebody's turn to do, conductive component 5 is contacted with the contact 91 at the first battery core both ends always.
As shown in Figure 4 and Figure 6, when lid 6 completely closes, conductive component 5 is contacted with the contact 21 at the first battery core both ends, Conductive component 5 is contacted with the second contact 92 of the second battery core simultaneously, and the first battery core and the second battery core are in series connection at this time, the Two voltage output ports 41 can export the voltage of 48V.High voltage electric tool can be inserted in second voltage output port 41, and high Pressure electric tool is needed along the direction insertion second voltage output port 41 for being parallel to 1 length of cabinet, and first voltage exports at this time Port 31 cannot be inserted into low pressure electric tool.
It is the battery pack assembly of the present embodiment introduced so that battery core 2 is two as an example above, it will be appreciated that ground, in this implementation The quantity of battery core 2 is not limited thereto, and is also possible to three or three or more, can be made according to specific needs between each battery core 2 A variety of series connection and/or parallel-connection structure are formed, when all battery cores 2 are together in series, the output voltage of battery pack assembly is maximum;And When part battery core 2 is connected or is in parallel with other battery cores 2 again after part battery core 2 is connected or is the parallel connection of part battery core 2, again Either only one of them battery core 2, battery pack assembly can also export the voltage of other values.
Preferred embodiment two:
Present embodiments provide a kind of battery pack assembly, battery pack assembly include cabinet 1, battery core 2, voltage switching device and At least two voltage output ports;Battery core 2 is set in cabinet 1;It each voltage output port can be with wherein at least part electricity Core 2 is electrically connected;Voltage switching device is configured such that the output voltage of at least two voltage output therein port is different.
The present embodiment battery pack assembly realizes that voltage output port exports different voltage by following structure type: electricity Crush-cutting changing device includes adapter 8, and voltage output port includes the first voltage output port 32 being set on cabinet 1 and setting In the second voltage output port 42 on adapter 8;First voltage output port 32 is electrically connected with each battery core 2;8 energy of adapter Through the second electricity after being enough electrically connected with first voltage output port 32 and the voltage of first voltage output port 32 be raised and lowered Output port 42 is pressed to export.
First voltage output port 32 and second voltage output port 42 can be respectively the electronic work of different utilization voltages Tool power supply.
On the basis of above structure, the battery pack assembly of the present embodiment includes the locking structure being set on cabinet, lock Structure is determined for locking consuming device, such as electric tool.And preferably, electronic when battery pack assembly and different utilization voltages When tool cooperates, these electric tools share a locking structure.
Preferred embodiment three:
Battery pack assembly is present embodiments provided, battery pack assembly includes cabinet, battery core, voltage switching device and at least two A voltage output port;Battery core is set in cabinet;Voltage switching device is configured such that at least two voltage therein is defeated The output voltage of exit port is different.
The present embodiment battery pack assembly realizes that voltage output port exports different voltage by following structure type:
Before not connecting with adapter, electric isolution state is between each battery core;Electric isolution state is between each battery core; Voltage switching device includes at least two adapters;Voltage output port and multiple connections are respectively arranged on each adapter End;The connecting pin of each adapter connect the voltage output so that each adapter by different circuits with battery core respectively The output voltage of port is different.Understandably, the connecting pin of each adapter is connect by different circuits with battery core respectively, is Finger passes through different series connection and/or parallel circuit.
On the basis of above structure, the battery pack assembly of the present embodiment includes the locking structure being set on cabinet, lock Structure is determined for locking consuming device, such as electric tool.And preferably, electronic when battery pack assembly and different utilization voltages When tool cooperates, these electric tools share a locking structure.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within Within protection scope of the present invention.

Claims (10)

1. a kind of battery pack assembly, the battery pack assembly includes that cabinet, battery core, voltage switching device and at least two voltages are defeated Exit port;
The battery core is set in the cabinet;
Each voltage output port can be electrically connected with the wherein at least part battery core;
The voltage switching device is configured such that the output voltage of the therein at least two voltage output ports is different.
2. battery pack assembly according to claim 1, which is characterized in that
The quantity of the battery core is at least two;
The voltage switching device forms at least one series winding and/or parallel connection structure between being configured such that the battery core;
The output cathode and output negative pole of each voltage output port both ends with connection structure described in one of them respectively Or it is connect with the both ends of battery core described in one of them.
3. battery pack assembly according to claim 2, which is characterized in that
The voltage switching device includes conductive component and shifting part;
The conductive component can the movement under the stirring of the shifting part, will at least partly battery core series connection and/or simultaneously Connection gets up.
4. battery pack assembly according to claim 3, which is characterized in that
The battery pack assembly includes the first battery core and the second battery core;
The voltage output port includes first voltage output port and second voltage output port;
Opening is provided on the cabinet, the first voltage output port is set in the cabinet and is located under the opening Side, the second voltage output port are located on the cabinet;
The shifting part is the lid being set on the cabinet, and the lid can open or close the opening;
The lid connects first battery core with second battery core when closing, first battery core and second battery core It is connect after series connection with the second voltage output port, the lid disconnects first battery core and second battery core when opening Between cascaded structure, the two of at least one of the first voltage output port and first battery core and described second battery core End connection.
5. battery pack assembly according to claim 4, which is characterized in that the second voltage output port is located at the case On the outer surface of body.
6. battery pack assembly according to any one of claims 1 to 5, which is characterized in that
The quantity of the voltage output port is two, and the cartridge insertion direction of two voltage output ports is different.
7. battery pack assembly according to claim 6, which is characterized in that the cartridge insertion direction of two voltage output ports Vertically.
8. battery pack assembly according to claim 1, which is characterized in that
The voltage switching device includes adapter, and the voltage output port includes the first voltage being set on the cabinet Output port and the second voltage output port being set on the adapter;
The first voltage output port is electrically connected with each battery core;
The adapter can be electrically connected with the first voltage output port and by the voltage of the first voltage output port It is exported after being raised and lowered through the second voltage output port.
9. battery pack assembly according to claim 1, which is characterized in that
Electric isolution state is between each battery core;The voltage switching device includes at least two adapters;
The voltage output port and multiple connecting pins are respectively arranged on each adapter;
The connecting pin of each adapter is connect respectively so that each institute with the battery core by different circuits The output voltage for stating the voltage output port of adapter is different.
10. battery pack assembly according to any one of claims 1 to 5, which is characterized in that the battery pack assembly includes setting The locking structure being placed on the cabinet, the locking structure is for locking consuming device.
CN201711238308.XA 2017-11-30 2017-11-30 A kind of battery pack assembly Pending CN109860443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711238308.XA CN109860443A (en) 2017-11-30 2017-11-30 A kind of battery pack assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711238308.XA CN109860443A (en) 2017-11-30 2017-11-30 A kind of battery pack assembly

Publications (1)

Publication Number Publication Date
CN109860443A true CN109860443A (en) 2019-06-07

Family

ID=66888135

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711238308.XA Pending CN109860443A (en) 2017-11-30 2017-11-30 A kind of battery pack assembly

Country Status (1)

Country Link
CN (1) CN109860443A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111463884A (en) * 2020-03-17 2020-07-28 常州格力博有限公司 Electric energy switching assembly and tool and system with same
CN113216755A (en) * 2021-04-28 2021-08-06 德施曼机电(中国)有限公司 Intelligent door lock capable of using electric tool battery pack as external standby power supply

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06140022A (en) * 1992-10-23 1994-05-20 Sony Corp Battery device
GB0317316D0 (en) * 2003-07-23 2003-08-27 Kerio Technologies Inc Voltage adaptor
JP2005166493A (en) * 2003-12-03 2005-06-23 Kayaba Ind Co Ltd Battery electric storage device
JP2008178278A (en) * 2006-09-19 2008-07-31 Hitachi Koki Co Ltd Adaptor, assembly of battery pack and adaptor, and electric tool with the same
CN201838666U (en) * 2010-04-12 2011-05-18 常州格力博工具有限公司 Combination of battery pack and electric device
CN103124089A (en) * 2011-11-18 2013-05-29 株式会社牧田 Battery adapter
CN103138345A (en) * 2013-01-23 2013-06-05 蔡吕乾 Mobile power supply and conversion device thereof
CN105978055A (en) * 2015-03-13 2016-09-28 苏州宝时得电动工具有限公司 Power supply device and power transmission device
CN106654131A (en) * 2016-11-16 2017-05-10 南京久驰机电实业有限公司 Electric tool system
CN107302248A (en) * 2017-07-14 2017-10-27 宁波锂想电子有限公司 A kind of electric tool

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06140022A (en) * 1992-10-23 1994-05-20 Sony Corp Battery device
GB0317316D0 (en) * 2003-07-23 2003-08-27 Kerio Technologies Inc Voltage adaptor
JP2005166493A (en) * 2003-12-03 2005-06-23 Kayaba Ind Co Ltd Battery electric storage device
JP2008178278A (en) * 2006-09-19 2008-07-31 Hitachi Koki Co Ltd Adaptor, assembly of battery pack and adaptor, and electric tool with the same
CN201838666U (en) * 2010-04-12 2011-05-18 常州格力博工具有限公司 Combination of battery pack and electric device
CN103124089A (en) * 2011-11-18 2013-05-29 株式会社牧田 Battery adapter
CN103138345A (en) * 2013-01-23 2013-06-05 蔡吕乾 Mobile power supply and conversion device thereof
CN105978055A (en) * 2015-03-13 2016-09-28 苏州宝时得电动工具有限公司 Power supply device and power transmission device
CN106654131A (en) * 2016-11-16 2017-05-10 南京久驰机电实业有限公司 Electric tool system
CN107302248A (en) * 2017-07-14 2017-10-27 宁波锂想电子有限公司 A kind of electric tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111463884A (en) * 2020-03-17 2020-07-28 常州格力博有限公司 Electric energy switching assembly and tool and system with same
CN111463884B (en) * 2020-03-17 2023-08-22 格力博(江苏)股份有限公司 Electric energy switching assembly, and tool and system with same
CN113216755A (en) * 2021-04-28 2021-08-06 德施曼机电(中国)有限公司 Intelligent door lock capable of using electric tool battery pack as external standby power supply

Similar Documents

Publication Publication Date Title
US10020620B2 (en) Connector
US11471018B2 (en) Method of charging a rechargeable battery
CN109301145B (en) Battery pack and electric tool system
CN104953076A (en) Integrated high voltage service disconnect
CN109860443A (en) A kind of battery pack assembly
CN207489984U (en) A kind of battery-powered device
CN201838666U (en) Combination of battery pack and electric device
CN209282288U (en) Battery pack and electric tool system
CN208986294U (en) DC electrical connector and electrical equipment
CN209419248U (en) Portable electric energy system
WO2020134814A1 (en) Battery charging and discharging apparatus and rechargeable power source
CN208623066U (en) Electric tool and its system
NO20170364A1 (en) Adapter assembly for contactless transfer of electrical power
US11641043B2 (en) Electric energy storage device and electric tool system
CN209217096U (en) Apparatus for storing electrical energy and electric tool
CN209282869U (en) Apparatus for storing electrical energy and electric tool
CN209200050U (en) Apparatus for storing electrical energy and electric tool
WO2022001953A1 (en) Battery pack with self-discharge function and electric tool
CN211376785U (en) Battery package interface arrangement
CN205104723U (en) Take novel data line of function of charging
US20240072385A1 (en) Power supply including a touch safe power supply core
CN219322108U (en) Battery cluster and high-voltage box
CN220895778U (en) Battery box plug structure
CN216872193U (en) Plug, socket, plug device, charger and battery pack for lithium battery
CN217036254U (en) Charging adapter

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu

Applicant after: Nanjing Quanfeng Technology Co.,Ltd.

Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu

Applicant before: NANJING CHERVON INDUSTRY Co.,Ltd.

CB02 Change of applicant information