CN220086518U - Battery cell electricity supplementing device - Google Patents

Battery cell electricity supplementing device Download PDF

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Publication number
CN220086518U
CN220086518U CN202321738715.8U CN202321738715U CN220086518U CN 220086518 U CN220086518 U CN 220086518U CN 202321738715 U CN202321738715 U CN 202321738715U CN 220086518 U CN220086518 U CN 220086518U
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CN
China
Prior art keywords
clamping
copper post
plate
centre gripping
charge
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Active
Application number
CN202321738715.8U
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Chinese (zh)
Inventor
刘松
王亚妮
于利伟
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Lishen Qingdao New Energy Co Ltd
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Lishen Qingdao New Energy Co Ltd
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Priority to CN202321738715.8U priority Critical patent/CN220086518U/en
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    • 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 utility model relates to an electric core electricity supplementing device which comprises a clamping fixed plate, a clamping movable plate, an elbow clamp, a charge-discharge copper column and a copper column support, wherein a guide boss is arranged at the front part of the clamping fixed plate, fixed clamping lugs are symmetrically arranged on the lower surface of the rear part of the clamping fixed plate, through holes are formed in the clamping fixed plate, the clamping movable plate is provided with a guide groove which is in sliding fit with the guide boss, the clamping movable plate is provided with a movable clamping lug, the rear end face of the clamping movable plate is connected with the elbow clamp, the elbow clamp moves the clamping movable plate to move back and forth relative to the clamping fixed plate, and the charge-discharge copper column is in sliding connection with the copper column support fixedly connected to the clamping fixed plate. Compared with the traditional crocodile clip, the electric core electricity supplementing device increases the contact area between the charging and discharging copper columns and the aluminum row, can improve the overcurrent capacity of charging and discharging, shortens the electricity supplementing time of the electric core and improves the production efficiency.

Description

Battery cell electricity supplementing device
Battery cell electricity supplementing device
Technical Field
The utility model belongs to the technical field of lithium batteries, and particularly relates to a battery cell electricity supplementing device.
Background
In the production process of lithium batteries, the charge-discharge test capacity or end consistency of a system package is an indispensable step. And (3) carrying out power supplementing or discharging treatment aiming at individual battery cells according to the difference of the internal resistances of the battery cells or the difference of the electric quantity of the battery cells.
Patent publication No. CN 113904407A discloses a portable multi-functional lithium cell automatic power supply balancing device and method, the power supply balancing device comprises a box body, the box body rear portion sets up power supply interface, power supply interface includes alternating current power supply interface, direct current power supply interface, the box body front portion sets up a plurality of passageway connecting holes, install and gather balanced pencil in the passageway connecting hole, balanced pencil front end is provided with the crocodile clamp, the box body front portion sets up the touch-control display screen, box body front portion touch-control display screen one side is provided with three function button, the function button includes a key repair button, a key power supply button, switch button, box body front portion both sides set up the handle, touch-control display screen display information option includes "global information", "monomer voltage", "monomer temperature", "cluster number setting", "parameter setting", "history trouble". Patent document with the authority of CN 216929631U discloses a power supplementing device and a power supplementing system. Wherein, the power supplementing device includes: the box body is internally provided with a power supply module; the first switch module is arranged on the surface of the box body, and one end of the first switch module is connected with one end of the power supplementing module; the bearing piece is connected with the surface of the box body and is used for bearing the battery module; the battery module comprises at least one electric core, wherein the electric core comprises a tab; at least one conductive member; the adjusting piece is connected with the other end of the conductive piece and is used for adjusting the connection relation between the other end of the conductive piece and the lug; the second switch module is arranged on the surface of the box body and comprises at least one control switch, the control switch is connected with the conductive piece, and the control switch is used for controlling the motion state of the conductive piece so that the other end of the conductive piece is connected with the pole lug. The prior art has a complex structure and cannot complete the work of battery cell electricity supplementing or discharging in the lithium battery system package.
In the prior art, the efficiency of the single-cell power-up mode in the system is too slow. At present, the electricity supplementing mode is to clamp the crocodile clip on the collected nickel sheet of the cell aluminum row, the contact area between the crocodile clip and the collected nickel sheet is small, and the allowable charge and discharge current is only hundreds of milliamperes. For a square shell high-capacity battery cell, more than tens of hours are needed for completing the electricity compensation of one battery cell, the production progress is seriously influenced, and the production resources are wasted.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a battery cell electricity supplementing device which can firmly connect large-diameter charging and discharging copper columns on an aluminum row no matter the size of a system package, so that the overcurrent capacity is improved by tens of times, and the electricity supplementing time of a battery cell is shortened.
The utility model aims to achieve the purpose, and the electric core electricity supplementing device comprises a clamping fixed plate, a clamping movable plate, an elbow clamp, a charge-discharge copper column and a copper column support, wherein limiting blocks for limiting the clamping movable plate are respectively arranged on two sides of the front part of the clamping fixed plate, parallel guide bosses are arranged on the upper surface of the front part of the clamping fixed plate between the limiting blocks, parallel fixed clamping lugs are symmetrically arranged on the lower surface of the rear part of the clamping fixed plate, through holes penetrating through the charge-discharge copper column are formed in the clamping fixed plate, guide grooves are formed in the lower surface of the clamping movable plate and correspond to the guide bosses in a sliding fit mode, movable clamping lugs are symmetrically arranged at positions of the fixed clamping lugs of the clamping movable plate relative to the clamping fixed plate, the elbow clamp is fixedly connected to the rear end face of the clamping movable plate through the support, the elbow clamp moves relative to the clamping fixed plate in a back-and-forth mode, and the charge-discharge copper column is in sliding connection with the copper column support fixedly connected to the clamping fixed plate.
Further, the cross section of the limiting block is in a right-angle shape, a clamping moving plate containing space is formed between the two right-angle limiting blocks, and the clamping moving plate is in sliding connection with the clamping moving plate containing space.
Further, the clamping fixing plate is made of insulating materials, and a V-shaped clamping opening is formed in the front end of a fixed clamping lug of the clamping fixing plate.
Further, the copper post support includes spacing top cap of copper post, the fixed piece of prop up of copper post and compression spring, the fixed piece of prop up of centre gripping corresponds the through-hole position and is equipped with the recess, the fixed piece of prop up of copper post sets up in well recess and sliding fit, spacing top cap of copper post passes through both sides stabilizer blade rigid coupling on the centre gripping fixed plate, has put compression spring between the spacing top cap of copper post and the fixed piece of prop up of copper post, the copper post that charges and discharges runs through spacing top cap of copper post and the fixed piece center of prop up of copper post, and the copper post front end that charges and discharges contacts with the aluminium bar after passing the fixed piece of prop up of copper post, the copper post that charges and discharges is overall structure with the fixed piece rigid coupling of prop up of copper post.
Further, the compression spring is arranged at four corners between the copper column limit top cover and the copper column fixing support block, and concave tables for placing the compression spring are respectively arranged at four corners of the copper column limit top cover and the copper column fixing support block.
Further, the copper column limiting top cover and the copper column fixing support block are made of metal materials or nonmetal materials.
Further, the clamping moving plate is made of insulating materials, and a V-shaped clamping opening is formed in the front end of the movable clamping lug of the clamping moving plate.
Further, the rear end face of the clamping moving plate is provided with a threaded hole, and the threaded hole is in threaded connection with the front end of the elbow clamp.
Further, the elbow clamp adopts a flat-press type elbow clamp.
Further, the top end on the charge-discharge copper column is connected with a charge-discharge wire harness.
The beneficial effects are that: compared with the prior art, the electric core electricity supplementing device is directly fixed on the aluminum row, the clamping fixed plate 401 and the clamping movable plate 402 are matched with each other in structure, so that the device is convenient to connect and quick to fix, and compared with a traditional crocodile clamp, the contact area of the charging and discharging copper column and the aluminum row is increased, the overcurrent capacity of charging and discharging can be improved, the electricity supplementing time of an electric core is shortened, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the clamping plate of FIG. 1;
FIG. 3 is a schematic view of the clamping moving plate in FIG. 1;
FIG. 4 is a side view of an embodiment of the present utility model;
FIG. 5 is a state diagram of the use of the present utility model;
fig. 6 is a partial enlarged view of fig. 5.
In the figure: 1. the battery cell power supply device comprises a box body, 2, a module, 201, a battery cell pole column, 3, an aluminum row, 4, a battery cell power supply device, 401, a clamping fixed plate, 401-1, a limiting block, 401-2, a guide boss, 401-3, a fixed clamping lug, 401-4, a through hole, 401-5, a groove, 402, a clamping movable plate, 402-1, a guide groove, 402-2, a movable clamping lug, 402-3, a threaded hole, 403, an elbow clamp, 404, a charging and discharging wire harness, 405, a charging and discharging copper column, 406, a copper column limiting top cover, 407, a copper column fixed supporting block, 408 and a compression spring.
Detailed Description
The following detailed description of the embodiments according to the present utility model is provided with reference to the preferred embodiments: referring to fig. 1-4 in detail, this embodiment provides a device for supplementing electricity to an electrical core, including a fixed clamping plate 401, a movable clamping plate 402, an elbow clamp 403, a copper charging and discharging column 405 and a copper column support, two sides of the front part of the fixed clamping plate 401 are respectively provided with a limiting block 401-1 for limiting the movable clamping plate 402, the upper surface of the front part of the fixed clamping plate 401 between the limiting blocks 401-1 is provided with parallel guide bosses 401-2, the lower surface of the rear part of the fixed clamping plate 401 is symmetrically provided with parallel fixed clamping lugs 401-3, the fixed clamping plate 401 is provided with through holes 401-4 penetrating through the copper charging and discharging column 405, the lower surface of the movable clamping plate 402 is provided with guide grooves 402-1 corresponding to the guide bosses 401-2 of the fixed clamping plate 401, the guide grooves 402-1 are in sliding fit with the guide bosses 401-2, the fixed clamping lugs 401-3 of the movable clamping plate 402 are symmetrically arranged at the positions of the movable clamping lugs 401-3 of the movable clamping plate 402, the rear end face of the movable clamping plate 402 is connected with the elbow clamp 403, the elbow clamp 403 is fixedly connected to the fixed clamping plate 401 through the support, the elbow clamp 403 drives the movable clamping plate 402 to move relative to the fixed clamping plate 401 and is fixedly connected to the copper charging and discharging column 405.
The cross section of the limiting block 401-1 in this embodiment is in a right angle shape, and a space for containing the clamping moving plate is formed between the two right angle-shaped limiting blocks, and the clamping moving plate is slidably connected with the space for containing the clamping moving plate.
Specifically, the clamping plate 401 is made of an insulating material. The front end of the fixed clamping ear of the clamping fixing plate 401 is provided with a V-shaped clamping opening. Referring to fig. 1-6 in detail, the copper column support comprises a copper column limit top cover 406, a copper column fixing support block 407 and a compression spring 408, a groove 401-5 is arranged on the upper surface of the clamping and fixing plate 401 corresponding to the position of the through hole 401-4, the copper column fixing support block 407 is arranged in the groove 401-5 and is in sliding fit, the copper column limit top cover 406 is fixedly connected to the clamping and fixing plate 401 through two side support legs, the compression spring 408 is arranged between the copper column limit top cover 406 and the copper column fixing support block 407, the charge and discharge copper column 405 penetrates through the centers of the copper column limit top cover 406 and the copper column fixing support block 407, the front end of the charge and discharge copper column 405 passes through the copper column fixing support block 407 and then contacts with the aluminum bar 3, and the charge and discharge copper column 405 is fixedly connected with the copper column fixing support block 407 to form an integral structure.
In the preferred scheme of this embodiment, the compression springs 408 are disposed at four corners between the copper column limit top cover 406 and the copper column fixing support 407, and corresponding four corners of the copper column limit top cover 406 and the copper column fixing support 407 are respectively provided with concave stations for placing the compression springs.
Specifically, the copper column limit top cover 406 and the copper column fixing support 407 are made of metal or nonmetal materials.
Specifically, the clamping moving plate 402 is made of an insulating material, and a V-shaped clamping opening is formed in the front end of the movable clamping ear of the clamping moving plate 402.
In the preferred embodiment, the rear end face of the clamping moving plate 402 is provided with a threaded hole 402-3, and the threaded hole 402-3 is in threaded connection with the front end of the elbow clamp 403.
The preferred embodiment of the present utility model uses a conventional flat-type toggle clamp for toggle clamp 403.
In the preferred embodiment, the top end of the charge-discharge copper pillar 405 is connected with a charge-discharge wire harness 404.
The battery core electricity supplementing device can be used for a system package of a lithium battery, and the working process and principle are as follows:
as shown in fig. 1-6, after the system package is subjected to charge-discharge test, it is found that one or more electric cores in the module 2 in the box 1 need to be subjected to power supply or discharge operation, and the aluminum row 3 is placed on the electric core polar column 201 in the module 2, so that series-parallel connection among the electric cores is realized;
1) Manually taking the paired battery cell power supply devices 4, opening the elbow clamps 403, and stretching the linkage clamping movable plates 402;
2) Manually holding the clamping and fixing plate 401 close to the upper part of the aluminum bar 3, holding the charge and discharge copper column 405 by one hand to lift upwards, overcoming the elasticity of the compression spring 408, and enabling the lower end of the charge and discharge copper column 405 to have a certain distance from the aluminum bar 3;
3) Clamping the fixed clamping lug 401-3 of the clamping fixed plate 401 on one side of the aluminum row 3, then releasing the charge-discharge copper column 405, and tightly pressing the charge-discharge copper column 405 on the aluminum row 3 under the action of the compression spring 408;
4) The person pulls the elbow clamp 403 to link the clamping moving plate 402 to retract, so that the movable clamping lug 402-2 of the clamping moving plate 402 clamps the other end of the aluminum row 3. The fixation of the cell electricity supplementing device 4 on the aluminum row 3 of the system-clad cell is completed;
5) The cell electricity supplementing device 4 on the other side of the cell is installed as in the above steps. Then, the device performs electricity supplementing operation of the battery cell through the charge and discharge wire harness 404 and the charge and discharge copper column 405, and after electricity supplementing is completed, a person takes down the battery cell electricity supplementing device 4 by using the opposite operation flow.
The battery cell electricity supplementing device provided by the utility model is directly fixed on the aluminum row, and the structure of the clamping fixed plate 401 and the structure of the clamping movable plate 402 are mutually matched, so that the device is convenient to connect and quick to fix, and compared with a traditional crocodile clamp, the contact area of the charging and discharging copper column and the aluminum row is increased by arranging the charging and discharging copper column and the charging and discharging wire harness, the charging and discharging over-current capacity can be improved, the electricity supplementing time of the battery cell is shortened, and the production efficiency is improved.
The foregoing detailed description of a cell power-up device with reference to the embodiments is illustrative and not restrictive, and several embodiments may be enumerated in the limited scope, so that variations and modifications may be considered to fall within the scope of the present utility model without departing from the general inventive concept.

Claims (10)

1. A battery cell electricity supplementing device is characterized in that: including centre gripping fixed plate, centre gripping movable plate, elbow presss from both sides, charge and discharge copper post and copper post support, centre gripping fixed plate front portion both sides are equipped with the stopper that limits the centre gripping movable plate respectively, and centre gripping fixed plate front portion upper surface between the stopper is equipped with parallel guide boss, centre gripping fixed plate rear portion lower surface symmetry is equipped with parallel fixed grip lug, be equipped with the through-hole that runs through charge and discharge copper post on the centre gripping fixed plate, the guide boss position that the centre gripping movable plate lower surface corresponds the centre gripping fixed plate is equipped with guide groove, guide groove and guide boss sliding fit, the fixed grip lug position symmetry of centre gripping movable plate relatively is equipped with movable grip lug, and centre gripping movable plate rear end face is connected with the elbow clamp, the elbow clamp passes through the support rigid coupling on the centre gripping fixed plate, and the elbow is entrained and is moved centre gripping movable plate relatively and is fixed back and forth, charge and discharge copper post and the copper post support sliding connection of rigid coupling on the centre gripping fixed plate.
2. The cell recharging device of claim 1, wherein: the cross section of each limiting block is in a right-angle shape, a clamping moving plate containing space is formed between the two right-angle limiting blocks, and the clamping moving plates are in sliding connection with the clamping moving plate containing space.
3. The cell recharging device of claim 1, wherein: the clamping fixing plate is made of insulating materials, and a V-shaped clamping opening is formed in the front end of a fixed clamping lug of the clamping fixing plate.
4. The cell recharging device of claim 1, wherein: the copper post support comprises a copper post limiting top cover, a copper post fixing support block and a compression spring, a groove is formed in the upper surface of the clamping fixing plate, corresponding to the through hole, the copper post fixing support block is arranged in the middle groove and is in sliding fit, the copper post limiting top cover is fixedly connected to the clamping fixing plate through two side support legs, the compression spring is arranged between the copper post limiting top cover and the copper post fixing support block, the charge and discharge copper post penetrates through the centers of the copper post limiting top cover and the copper post fixing support block, the front end of the charge and discharge copper post is contacted with an aluminum bar after penetrating through the copper post fixing support block, and the charge and discharge copper post is fixedly connected with the copper post fixing support block to form an integral structure.
5. The cell recharging device of claim 4, wherein: compression spring arranges the four corners position between the spacing top cap of copper post and the fixed piece of propping up of copper post in, and the spacing top cap of copper post is equipped with the concave station of placing compression spring respectively with the fixed piece four corners of propping up of copper post.
6. The cell recharging device of claim 4, wherein: the copper column limiting top cover and the copper column fixing support block are made of metal materials or nonmetal materials.
7. The cell recharging device of claim 1, wherein: the clamping moving plate is made of insulating materials, and a V-shaped clamping opening is formed in the front end of a movable clamping lug of the clamping moving plate.
8. The cell recharging device of claim 1, wherein: the clamping movable plate is characterized in that a threaded hole is formed in the rear end face of the clamping movable plate, and the threaded hole is in threaded connection with the front end of the elbow clamp.
9. The cell recharging device of claim 1, wherein: the elbow clamp adopts a flat-press type elbow clamp.
10. The cell recharging device of claim 1, wherein: and the top end of the charge-discharge copper column is connected with a charge-discharge wire harness.
CN202321738715.8U 2023-07-05 2023-07-05 Battery cell electricity supplementing device Active CN220086518U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321738715.8U CN220086518U (en) 2023-07-05 2023-07-05 Battery cell electricity supplementing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321738715.8U CN220086518U (en) 2023-07-05 2023-07-05 Battery cell electricity supplementing device

Publications (1)

Publication Number Publication Date
CN220086518U true CN220086518U (en) 2023-11-24

Family

ID=88832357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321738715.8U Active CN220086518U (en) 2023-07-05 2023-07-05 Battery cell electricity supplementing device

Country Status (1)

Country Link
CN (1) CN220086518U (en)

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