CN221782326U - A battery cell charging and discharging switching device and a charging and discharging testing device - Google Patents
A battery cell charging and discharging switching device and a charging and discharging testing device Download PDFInfo
- Publication number
- CN221782326U CN221782326U CN202420276361.8U CN202420276361U CN221782326U CN 221782326 U CN221782326 U CN 221782326U CN 202420276361 U CN202420276361 U CN 202420276361U CN 221782326 U CN221782326 U CN 221782326U
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- battery cell
- positioning
- charge
- discharge
- positioning portion
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000007599 discharging Methods 0.000 title abstract description 8
- 239000004020 conductor Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 239000012212 insulator Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
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- Secondary Cells (AREA)
Abstract
The utility model provides a battery cell charging and discharging switching device which comprises a positioning seat and two positioning frames arranged on the positioning seat, wherein the two positioning frames are oppositely arranged at intervals and form an accommodating space for accommodating a battery cell, each positioning frame is provided with a switching structure, each switching structure is provided with a first switching part and a second switching part which are mutually communicated, the first switching part can be detachably connected with the positive electrode or the negative electrode of the battery cell, and the second switching part is connected with a charging and discharging testing device. According to the utility model, the battery cell and the charge and discharge testing device are connected through the switching structure, so that stable connection between the charge and discharge testing device and the positive electrode and the negative electrode of the battery cell is realized, and the battery cell is conveniently subjected to charge and discharge testing.
Description
Technical Field
The utility model relates to the technical field of battery testing, in particular to a battery cell charge-discharge switching device and a charge-discharge testing device
Background
The battery core is a basic component of a battery and is responsible for storing and releasing electric energy, and is widely applied to new energy automobiles, solar lamps, backup energy, electric tools, toy models and photovoltaic energy.
In order to simulate the performance of the battery cell in the actual working process, the charge and discharge of the battery cell need to be simulated and tested in the development process of the battery cell. In the development process of the battery cell, the battery cell is usually subjected to a charge-discharge test by using a charge-discharge test device, and when the battery cell is subjected to the charge-discharge test, a copper terminal with excellent electric conductivity and heat conductivity is adopted as a connector to connect the battery cell and the charge-discharge test device in order to ensure stable conduction of current, but the copper terminal is difficult to directly lock on the positive electrode and the negative electrode of the battery cell and the charge-discharge test device, so that stable connection of the battery cell and the charge-discharge test device cannot be ensured, and the accuracy and the safety of the charge-discharge test of the battery cell are affected.
Disclosure of utility model
The utility model aims to provide a battery cell charge-discharge switching device which is used for realizing stable connection between a charge-discharge testing device and a battery cell anode and a battery cell cathode.
The utility model is realized by the following technical scheme.
The utility model provides a battery cell charge-discharge switching device, includes the positioning seat with set up in two locating racks on the positioning seat, two the relative interval of locating rack sets up and is formed with the accommodation space that is used for holding the battery cell, every all be equipped with switching structure on the locating rack, switching structure has first switching unit and the second switching unit that switches on each other, first switching unit can dismantle the connection positive pole or the negative pole of battery cell, the second switching unit is connected and is charged and discharged testing arrangement.
As a further improvement of the utility model, the positioning frame is of an integrally formed structure and is made of a conductive material, so that the positioning frame conducts the first switching unit and the second switching unit by itself.
As a further improvement of the utility model, the positioning frame comprises a first positioning part and a second positioning part, wherein the first positioning part is arranged on the positioning seat, the second positioning part is bent and extended from one side of the first positioning part far away from the battery cell, the first switching unit is formed on the first positioning part, and the second switching unit is formed on the second positioning part.
As a further improvement of the utility model, a first connecting hole is formed in the first positioning part, the first switching unit is a first fastener fixedly matched with the first connecting hole, connecting wires are arranged on the positive electrode and the negative electrode of the battery cell, and the first fastener is used for locking the connecting wires in the first connecting hole so as to conduct the battery cell with the first positioning part.
As a further improvement of the utility model, the first connecting hole is in threaded fit with the first fastener.
As a further improvement of the present utility model, the second switching unit is a mounting hole disposed at one end of the second positioning portion away from the first positioning portion, and the mounting hole is used for connecting with a charge and discharge connection line on the charge and discharge testing device.
As a further improvement of the utility model, the second positioning part is arranged at the bottom of the first positioning part, a second connecting hole is arranged on the second positioning part, a third connecting hole is arranged on the positioning seat corresponding to the second connecting hole, and the second positioning part and the positioning seat are detachably connected by a second fastener penetrating through the third connecting hole and the fourth connecting hole.
As a further improvement of the utility model, the third connecting holes are a plurality of and are uniformly arranged at intervals along the extending direction of the second positioning part.
The utility model also provides a charge and discharge testing device, which comprises the battery cell charge and discharge switching device.
The utility model has the beneficial effects that:
1. the utility model provides a battery cell charge-discharge switching device, which is connected with a battery cell and a charge-discharge testing device through a switching structure, so that stable connection between the charge-discharge testing device and the positive electrode and the negative electrode of the battery cell is realized, and the battery cell is convenient to charge and discharge.
2. In the utility model, the locating rack has simple structure, small volume and convenient manufacture.
3. According to the battery cell charging and discharging switching device provided by the utility model, the position of the positioning frame is adjustable, and the battery cells with different lengths can be subjected to charging and discharging tests.
Drawings
Preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, to facilitate understanding of the objects and advantages of the present utility model, wherein:
FIG. 1 is a schematic diagram of a battery cell charge-discharge switching device according to the present utility model;
FIG. 2 is a schematic view of a base structure according to the present utility model;
In the figure:
1. A base; 11. a third connection hole; 2. a positioning frame; 21. a first positioning portion; 22. a second positioning portion; 3. a first switching unit; 4. a second switching unit; 211. a first connection hole; 221. a second connection hole;
Detailed Description
The utility model is described in further detail below with reference to the drawings and the examples.
The terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible in this specification are defined with respect to the configurations shown in the drawings, and the terms "inner" and "outer" refer to the relative concepts of the terms toward or away from the geometric center of a particular component, respectively, and thus may be changed accordingly depending on the location and use state of the component. These and other directional terms should not be construed as limiting terms.
Example 1:
This embodiment provides a battery cell charge-discharge switching device, refer to fig. 1~2, including positioning seat 1 and install two locating racks 2 on positioning seat 1, two locating racks 2 relative interval sets up, the battery cell sets up on positioning seat 1 and is located between two locating racks 2, all be equipped with a switching structure on every locating rack 2, switching structure includes first switching unit 3 and second switching unit 4, first switching unit 3 switches on each other with second switching unit 4, positive pole or the negative pole of battery cell is connected to first switching unit 3, charge-discharge testing arrangement is connected to second switching unit 4, can realize switching on between battery cell and the charge-discharge testing arrangement through switching structure, and because locating rack 2 fixed in position, battery cell and charge-discharge testing arrangement all can stable connection on locating rack 2.
In the present embodiment, the positioning frame 2 is of an integrally formed structure and is made of an electrically conductive material, that is, the positioning frame 2 can conduct the first switching unit 3 and the second switching unit 4 by itself, and the positioning frame 2 is preferably made of a copper material having good electrical conductivity and thermal conductivity.
The locating rack 2 includes first location portion 21 and second location portion 22, and first location portion 21 sets up on locating seat 1, and second location portion 22 is kept away from the one side of electric core by first location portion 21 and is extended out through buckling, and first switching unit 3 forms on first location portion 21, and second switching unit 4 forms on second location portion 22, and the simple structure of locating rack 2, small, easy manufacture.
When the battery cell testing device is particularly used, the charge and discharge testing device is in conductive connection with the second positioning part 22 through the second switching unit 4, the anode and the cathode of the battery cell are in conductive connection with the first positioning part 21 through the first switching unit 3, so that a closed loop is formed between the battery cell and the charge and discharge testing device, and the charge and discharge testing of the battery cell by the charge and discharge testing device can be realized.
Further, in order to facilitate connection between the battery cell and the first switching unit 3, connection wires are connected to the positive electrode and the negative electrode of the battery cell, a first connection hole 211 is formed in the first positioning portion 21, the first switching unit 3 is a first fastener fixedly matched with the first connection hole 211, and the first fastener can fix the connection wires on the first positioning portion 21 so that the connection wires are stably contacted with the first positioning portion 21, so that the battery cell is conducted with the first positioning portion 21.
Preferably, the first connecting hole 211 is in threaded connection with the first fastening member, the first connecting hole 211 is provided with an internal thread, the first fastening member can be a bolt and is provided with an external thread, and the threaded connection mode is not only strong in stability, but also convenient to detach.
In this embodiment, the second switching unit 4 is provided with a mounting hole, and the mounting hole is formed at one end of the second positioning portion 22 away from the first positioning portion 21, so that the connecting wire of the charging and discharging testing device can be fixed on the mounting hole in a winding, welding, crimping and other manners, so that the connecting wire of the charging and discharging testing device can be stably contacted with the second positioning portion 22, thereby realizing
Meanwhile, a second connecting hole 221 is formed in the second positioning portion 22, a third connecting hole 11 is formed in the positioning seat 1 corresponding to the second connecting hole 221, and the positioning frame 2 is fixedly connected with the positioning seat 1 through a second fastening piece penetrating through the third connecting hole 11 and the third connecting hole 11.
Further, in order to make this device carry out the charge and discharge test to the electric core of different length, with third connecting hole 11a plurality of to along the even interval setting of second location portion 22 extending direction, when the length of electric core changes, only need adjust second connecting hole 221 and different third connecting hole 11 correspond and fix with the second fastener, make locating rack 2 position adjustable, the interval between two locating racks 2 is adjustable promptly, thereby adapt to the electric core of equidimension, improve this device's suitability.
In this embodiment, the positioning seat 1 is made of an insulating material, and isolates the positioning frame 2 from the external environment, so as to prevent the external environment from interfering with the charge and discharge test, and prevent the operator from being injured by the leakage condition during the charge and discharge test.
Example 2:
The embodiment provides a charge-discharge testing device, which comprises the battery cell charge-discharge switching device in the technical scheme, and further comprises two charge-discharge connecting wires which are respectively connected with two second switching units 4 in a conducting manner.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme recorded in each embodiment can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420276361.8U CN221782326U (en) | 2024-02-05 | 2024-02-05 | A battery cell charging and discharging switching device and a charging and discharging testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420276361.8U CN221782326U (en) | 2024-02-05 | 2024-02-05 | A battery cell charging and discharging switching device and a charging and discharging testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221782326U true CN221782326U (en) | 2024-09-27 |
Family
ID=92824361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420276361.8U Active CN221782326U (en) | 2024-02-05 | 2024-02-05 | A battery cell charging and discharging switching device and a charging and discharging testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221782326U (en) |
-
2024
- 2024-02-05 CN CN202420276361.8U patent/CN221782326U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 322102 Yangmei Garden Industrial Park, Huashui Town, Dongyang City, Jinhua City, Zhejiang Province (self declared) Patentee after: Yuedong New Energy Technology (Zhejiang) Co.,Ltd. Country or region after: China Address before: Yangmei Garden Industrial Park, Huashui Town, Dongyang City, Jinhua City, Zhejiang Province (self declared) Patentee before: Dongyang Liweineng New Energy Technology Co.,Ltd. Country or region before: China |