CN212646735U - Lithium battery clamp - Google Patents
Lithium battery clamp Download PDFInfo
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- CN212646735U CN212646735U CN202020424936.8U CN202020424936U CN212646735U CN 212646735 U CN212646735 U CN 212646735U CN 202020424936 U CN202020424936 U CN 202020424936U CN 212646735 U CN212646735 U CN 212646735U
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Abstract
The utility model discloses a lithium battery clamp. The utility model relates to a lithium battery clamp, include: a first clamp assembly and a second clamp assembly; the first clamp assembly and the second clamp assembly are hinged together, and a reset elastic piece is arranged between the first clamp assembly and the second clamp assembly; first anchor clamps subassembly and second anchor clamps subassembly all include plastic main part, the compound piece of voltage current, insulating piece and electric current piece. The utility model has the advantages that: have compound piece voltage part and compound piece electric current part through setting up the compound piece of voltage electric current, can cut off even the material level before moulding plastics or after moulding plastics, compound piece voltage part connects the electric wire pressing, and compound piece electric current part connects the electric current piece through connecting the tongue, and compound piece electric current part is connected to the electric current piece, like this, compares the design before, and the overcurrent ability improves greatly.
Description
Technical Field
The utility model relates to a lithium cell field, concretely relates to lithium cell anchor clamps.
Background
Due to the rapid development of the lithium battery industry, more and more types of test instruments and equipment are used for aging and grading of polymer lithium batteries. Therefore, when the aging and capacity grading test of the polymer lithium battery is carried out, some companies can simultaneously use test instrument equipment of a plurality of brands aiming at lithium batteries of different models. Because the centre gripping accessory size that equipment of different brands used is all inconsistent with fixed mode, so must frequent change carry out the test of this lithium cell with the test fixture that the lithium cell model accords with to satisfy the demand of ageing partial volume test. At present, in the production and processing process of a lithium battery (battery cell), the lithium battery generally needs to be subjected to aging test, however, the aging test is generally realized through corresponding large-current aging test equipment, and for the large-current aging test equipment, it is particularly important to set corresponding clamps to ensure stable and reliable contact with a battery cell tab and realize large-current passing.
CN 207301288U discloses a high current test fixture, which adopts a current sampling plate and a voltage sampling plate arranged side by side. In the prior art, current and voltage sampling sheets are also arranged in an up-and-down overlapping manner. The current lithium battery clamps have little over-current capability.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a lithium battery clamp, the overcurrent ability is stronger.
In order to solve the technical problem, the utility model provides a lithium battery clamp, include: a first clamp assembly and a second clamp assembly; the first clamp assembly and the second clamp assembly are hinged together, and a reset elastic piece is arranged between the first clamp assembly and the second clamp assembly;
the first clamp assembly and the second clamp assembly respectively comprise a plastic main body, a voltage and current composite sheet, an insulating sheet and a current sheet; the voltage current composite piece comprises a composite piece voltage part and a composite piece current part; the composite sheet voltage part and the composite sheet current part are connected through a connecting material position; the voltage and current composite sheet, the insulating sheet and the current sheet are all arranged on the plastic main body; the insulation sheet is positioned between the voltage and current composite sheet and the current sheet; be equipped with the connection tongue on the current sheet, the insulating piece is equipped with dodges the through-hole, it passes to connect the tongue dodge behind the through-hole with compound piece current part be connected.
The utility model has the advantages that:
have compound piece voltage part and compound piece electric current part through setting up the compound piece of voltage electric current, can cut off even the material level before moulding plastics or after moulding plastics, compound piece voltage part connects the electric wire pressing, and compound piece electric current part connects the electric current piece through connecting the tongue, and compound piece electric current part is connected to the electric current piece, like this, compares the design before, and the overcurrent ability improves greatly.
In one embodiment, the current sheet comprises a flow deflector and a reset sheet which are overlapped up and down; the flow deflector is made of a first material, and the reset plate is made of a second material; the first material has an electrical conductivity greater than an electrical conductivity of the second material, and the first material has an elasticity less than an elasticity of the second material.
In one embodiment, the first material is red copper and the second material is beryllium copper.
In one embodiment, the first clamp assembly and the second clamp assembly are integrally formed by injection molding.
In one embodiment, the composite piece current portion is U-shaped, and the composite piece voltage portion is surrounded by the composite piece current portion.
In one embodiment, a tab piercing probe is welded on the current sheet.
In one embodiment, the current sheet and the voltage-current composite sheet are both provided with a spacer groove.
In one embodiment, a prying part is arranged at the rear end of the plastic main body.
In one embodiment, the prying part comprises a hanging lug which is integrally formed with the plastic main body, a pulley rotating shaft is arranged on the hanging lug, and a rotatable pulley is arranged on the pulley rotating shaft.
In one embodiment, the return elastic member is a plurality of compression springs.
Drawings
Fig. 1 is an explosion diagram of the lithium battery clamp of the present invention.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, a lithium battery jig includes: a first clamp assembly and a second clamp assembly; the first clamp assembly and the second clamp assembly are hinged together, and a reset elastic piece 700 is arranged between the first clamp assembly and the second clamp assembly;
the first clamp assembly and the second clamp assembly respectively comprise a plastic main body 100, a voltage and current composite sheet, an insulating sheet 300 and a current sheet; the voltage current composite piece comprises a composite piece voltage portion 210 and a composite piece current portion 220; the composite sheet voltage part and the composite sheet current part are connected through a connecting material position 600; the voltage and current composite sheet, the insulating sheet and the current sheet are all arranged on the plastic main body; the insulation sheet is positioned between the voltage and current composite sheet and the current sheet; be equipped with on the current sheet and connect tongue 411, the insulating piece is equipped with dodges the through-hole, it passes to connect the tongue dodge behind the through-hole with compound piece current part be connected.
The utility model has the advantages that:
have compound piece voltage part and compound piece electric current part through setting up the compound piece of voltage electric current, can cut off even the material level before moulding plastics or after moulding plastics, compound piece voltage part connects the electric wire pressing, and compound piece electric current part connects the electric current piece through connecting the tongue, and compound piece electric current part is connected to the electric current piece, like this, compares the design before, and the overcurrent ability improves greatly.
In one embodiment, the current sheet includes a flow guiding sheet 410 and a reset sheet 420 overlapped up and down; the flow deflector is made of a first material, and the reset plate is made of a second material; the first material has an electrical conductivity greater than an electrical conductivity of the second material, and the first material has an elasticity less than an elasticity of the second material.
In one embodiment, the first material is red copper and the second material is beryllium copper.
Outside bilateral clamp current piece is single material, the utility model discloses overflow and adopt dual material complex, one kind is the very good nevertheless relatively poor water conservancy diversion piece of elasticity of the conductibity, for example red copper, another kind is the poor water conservancy diversion piece that resets that nevertheless elasticity is very good relatively of conductibity, for example beryllium copper, water conservancy diversion piece, the water conservancy diversion piece that resets weld with the electric current line together simultaneously, make bilateral clamp can more cross higher electric current and the electric current piece can reset.
In one embodiment, the first clamp assembly and the second clamp assembly are integrally formed by injection molding.
In one embodiment, the composite piece current portion is U-shaped, and the composite piece voltage portion is surrounded by the composite piece current portion.
In one embodiment, tab piercing probes 430 are welded to the current tabs. The lug puncture probe is used for puncturing an oxide layer of the battery lug, and the overcurrent effect is better.
In one embodiment, the current sheet and the voltage-current composite sheet are both provided with a spacer groove.
When the surface of the battery tab is uneven, the tab can be contacted more closely, and the condition of poor contact can not be caused.
In one embodiment, a prying part is arranged at the rear end of the plastic main body.
In one embodiment, the prying portion includes a hanging lug 511 integrally formed with the plastic body, the hanging lug is provided with a pulley rotating shaft 512, and the pulley rotating shaft is provided with a rotatable pulley 513.
When the prying block is inserted between the two prying parts, the two prying parts are separated, and the tail end of the prying block can be an acute-angle pointed end.
In one embodiment, the return elastic member is a plurality of compression springs. In the prior art, the reset spring of the double-side clamp is a torsion spring, can occupy more plastic positions, is uneven in stress of the clamp, and is easy to damage relatively, and the multiple compression springs are adopted, so that the stress of the clamp is more uniform, and the clamp is not easy to damage.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A lithium battery clamp, comprising: a first clamp assembly and a second clamp assembly; the first clamp assembly and the second clamp assembly are hinged together, and a reset elastic piece is arranged between the first clamp assembly and the second clamp assembly;
the first clamp assembly and the second clamp assembly respectively comprise a plastic main body, a voltage and current composite sheet, an insulating sheet and a current sheet; the voltage current composite piece comprises a composite piece voltage part and a composite piece current part; the composite sheet voltage part and the composite sheet current part are connected through a connecting material position; the voltage and current composite sheet, the insulating sheet and the current sheet are all arranged on the plastic main body; the insulation sheet is positioned between the voltage and current composite sheet and the current sheet; be equipped with the connection tongue on the current sheet, the insulating piece is equipped with dodges the through-hole, it passes to connect the tongue dodge behind the through-hole with compound piece current part be connected.
2. The lithium battery cell holder as claimed in claim 1, wherein the current sheet includes a current guide sheet and a reset sheet overlapped one on another; the flow deflector is made of a first material, and the reset plate is made of a second material; the first material has an electrical conductivity greater than an electrical conductivity of the second material, and the first material has an elasticity less than an elasticity of the second material.
3. The lithium battery cell holder as set forth in claim 2, wherein the first material is red copper and the second material is beryllium copper.
4. The lithium battery pack holder as claimed in claim 1, wherein the first holder assembly and the second holder assembly are integrally formed by injection molding.
5. The lithium battery holder as claimed in claim 1, wherein said composite sheet current portion is u-shaped, said composite sheet voltage portion being surrounded by said composite sheet current portion.
6. The lithium battery cell holder as set forth in claim 1, wherein a tab piercing probe is welded to the current tab.
7. The lithium battery cell holder as claimed in claim 1, wherein the current sheet and the voltage-current composite sheet are each provided with a spacing groove.
8. The lithium battery pack holder as claimed in claim 1, wherein a prying part is provided at a rear end of the plastic body.
9. The lithium battery cell holder as claimed in claim 8, wherein the prying part includes a hanging lug integrally formed with the plastic body, the hanging lug having a pulley shaft, the pulley shaft having a rotatable pulley.
10. The lithium battery cell holder as claimed in claim 1, wherein the return elastic member is a plurality of compression springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020424936.8U CN212646735U (en) | 2020-03-27 | 2020-03-27 | Lithium battery clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020424936.8U CN212646735U (en) | 2020-03-27 | 2020-03-27 | Lithium battery clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212646735U true CN212646735U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020424936.8U Active CN212646735U (en) | 2020-03-27 | 2020-03-27 | Lithium battery clamp |
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| CN (1) | CN212646735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458538A (en) * | 2020-03-27 | 2020-07-28 | 昆山康信达光电有限公司 | Lithium battery clamp |
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2020
- 2020-03-27 CN CN202020424936.8U patent/CN212646735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458538A (en) * | 2020-03-27 | 2020-07-28 | 昆山康信达光电有限公司 | Lithium battery clamp |
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