CN222529385U - Clamp for lithium ion battery test - Google Patents
Clamp for lithium ion battery test Download PDFInfo
- Publication number
- CN222529385U CN222529385U CN202323555491.XU CN202323555491U CN222529385U CN 222529385 U CN222529385 U CN 222529385U CN 202323555491 U CN202323555491 U CN 202323555491U CN 222529385 U CN222529385 U CN 222529385U
- Authority
- CN
- China
- Prior art keywords
- ion battery
- lithium
- plate
- fixture according
- screw
- 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.)
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Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 210000005069 ears Anatomy 0.000 claims abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 210000001331 nose Anatomy 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
本实用新型公开了一种锂离子电池测试用夹具，包括底座，所述底座上设置有两个导电板和两个夹持件，两个所述导电板沿左右方向分布，所述导电板的上端面设置有用于与正负极连接端子连接的接线柱，两个所述夹持件与两个所述导电板一一对应，所述夹持件用于与相对应的所述导电板配合夹持极耳，两个所述夹持件之间形成用于放置锂离子电池的放置空间，所述接线柱位于两个所述夹持件远离放置空间的一侧；优点是操作较为简单，能够稳定的夹持锂离子电池，有助于得到准确的测试结果。
The utility model discloses a lithium-ion battery testing fixture, comprising a base, wherein two conductive plates and two clamping pieces are arranged on the base, the two conductive plates are distributed in the left-right direction, the upper end surfaces of the conductive plates are provided with terminals for connecting with positive and negative electrode connection terminals, the two clamping pieces correspond to the two conductive plates one by one, the clamping pieces are used to cooperate with the corresponding conductive plates to clamp the pole ears, a placement space for placing the lithium-ion battery is formed between the two clamping pieces, and the terminal is located on a side of the two clamping pieces away from the placement space; the utility model has the advantages of being relatively simple to operate, being able to stably clamp the lithium-ion battery, and being helpful to obtain accurate test results.
Description
Technical Field
The utility model belongs to the technical field of battery testing, and particularly relates to a clamp for testing a lithium ion battery.
Background
Lithium ion batteries generally include an electrolyte and positive and negative tabs disposed on either side of the electrolyte. When the lithium ion battery is in charge and discharge test, positive and negative electrode lugs are required to be in one-to-one correspondence with positive and negative electrode connecting terminals on charge and discharge equipment and are electrically connected, the conventional connecting mode is to punch holes on the electrode lugs, the connecting terminals are copper noses, the electrode lugs are connected with the corresponding copper noses through bolts and nuts, the operation is complex, and time and labor are wasted. In addition, because the positive and negative current wires of the charge and discharge equipment can move, and the lugs are softer, if the positions of the current wires are adjusted in the test process, the lugs are easy to be stressed to generate conditions of distortion, fracture and the like, and the test result is influenced.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the fixture for testing the lithium ion battery, which is simple to operate, can stably clamp the lithium ion battery and is beneficial to obtaining an accurate test result.
The technical scheme includes that the fixture for testing the lithium ion battery comprises a base, wherein two conducting plates and two clamping pieces are arranged on the base, the two conducting plates are distributed in the left-right direction, binding posts for connecting positive and negative electrode connecting terminals are arranged on the upper end faces of the conducting plates, the two clamping pieces correspond to the two conducting plates one by one, the clamping pieces are used for clamping lugs in a matched mode with the corresponding conducting plates, a placement space for placing the lithium ion battery is formed between the two clamping pieces, and the binding posts are located on one side, away from the placement space, of the two clamping pieces.
Preferably, the clamping piece comprises two supporting columns, a top plate, a pressing plate, a screw rod, a handle and a first guide rod, wherein the two supporting columns are distributed on the front side and the rear side of the conducting plate, the upper ends of the two supporting columns are fixedly connected through the top plate, the pressing plate is located between the conducting plate and the top plate, a first screw hole and a first guide hole are formed in the top plate, the lower end of the screw rod penetrates through the first screw hole and then is rotationally connected with the upper end of the pressing plate, the handle is fixedly arranged at the upper end of the screw rod, and the lower end of the first guide rod penetrates through the first guide hole and then is fixedly connected with the upper end of the pressing plate.
Preferably, a copper block is fixedly arranged at the lower end of the pressing plate.
Preferably, the upper end surface of the conductive plate is electroplated with a first gold plating layer, and the lower end surface of the copper block is electroplated with a second gold plating layer.
Preferably, the base and the pressing plate are both insulating bakelite plates.
Preferably, a plurality of heat dissipation holes are formed in the base, and all the heat dissipation holes are located between the two conductive plates.
Preferably, the base is provided with a chute, a slide block and a limiting piece, the slide block is in sliding fit with the chute left and right, one conducting plate and one clamping piece are arranged on the slide block, and the limiting piece is used for limiting the slide block to slide.
Preferably, a second guide rod is arranged between the left side wall and the right side wall of the sliding groove, a second guide hole is formed in the side face of the sliding block, and the second guide rod penetrates through the second guide hole.
Preferably, the limiting piece comprises at least one limiting plate, a plurality of second screw holes are formed in the bottom of the sliding groove, the second screw holes are divided into front and rear rows, two connecting holes and two bolts are formed in the limiting plate, one bolt penetrates through one connecting hole and then is in threaded connection with one second screw hole located in the front row, and the other bolt penetrates through the other connecting hole and then is in threaded connection with one second screw hole located in the rear row.
Preferably, a plurality of ventilation holes are formed in the bottom of the sliding groove.
Compared with the prior art, the utility model has the advantages that:
1. The clamping piece is matched with the conducting plate to clamp the lug, so that compared with screwing of a bolt and a nut, the operation is simpler, and the conducting plate and the lug can be fully contacted, thereby effectively reducing the contact resistance between the conducting plate and the lug and reducing the heat generated when current passes through;
2. Through setting up the terminal on the current conducting plate, connecting terminal passes through terminal, current conducting plate and utmost point ear indirect connection, because the fixed setting of current conducting plate can't remove on the base, even the activity takes place for the positive negative pole current line of charge-discharge equipment, also can not make utmost point ear atress and take place circumstances such as distortion, fracture, stability is better, helps obtaining accurate test result.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic diagram of a part of the present utility model;
FIG. 4 is a schematic view of a partial cross-sectional structure of the present utility model;
FIG. 5 is a schematic diagram of a portion of a second embodiment of the present utility model;
fig. 6 is a schematic view of a partial explosion structure of the present utility model.
In the figure, 1, a base, 11, a heat dissipation hole, 12, a sliding groove, 121, a second guide rod, 122, a second screw hole, 123, an air hole, 13, a sliding block, 131, a second guide hole, 14, a limiting piece, 141, a limiting plate, 142, a connecting hole, 143, a bolt, 2, a conductive plate, 21, a binding post, 22, a first gold plating layer, 3, a clamping piece, 31, a supporting column, 32, a top plate, 321, a first screw hole, 322, a first guide hole, a pressing plate, 34, a screw rod, 35, a handle, 36, a first guide rod, 37, a copper block, 371 and a second gold plating layer.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as shown in fig. 1 and 2, the fixture for testing the lithium ion battery comprises a base 1, wherein two conducting plates 2 and two clamping pieces 3 are arranged on the base 1, the two conducting plates 2 are distributed along the left-right direction, binding posts 21 for connecting positive and negative electrode connecting terminals are arranged on the upper end faces of the conducting plates 2, the two clamping pieces 3 are in one-to-one correspondence with the two conducting plates 2, the clamping pieces 3 are used for clamping lugs in cooperation with the corresponding conducting plates 2, a placement space for placing the lithium ion battery is formed between the two clamping pieces 3, and the binding posts 21 are located on one side, away from the placement space, of the two clamping pieces 3. Wherein, the conductive plate 2 is fixedly connected with the base 1.
In this embodiment, a plurality of heat dissipation holes 11 are disposed on the base 1, and all the heat dissipation holes 11 are located between two conductive plates 2, so that the heat exchange between the lithium ion battery and the outside is facilitated.
Preferably, two binding posts 21 are provided on each conductive plate 2 for parallel use of the test channels.
In the second embodiment, as shown in fig. 2 and fig. 3, the rest is the same as the first embodiment, except that the clamping member 3 includes two support columns 31, a top plate 32, a pressing plate 33, a screw 34, a handle 35 and a first guide rod 36, the two support columns 31 are distributed on the front side and the rear side of the conductive plate 2, the upper ends of the two support columns 31 are fixedly connected through the top plate 32, the pressing plate 33 is located between the conductive plate 2 and the top plate 32, a first screw hole 321 and a first guide hole 322 are arranged on the top plate 32, the lower end of the screw 34 passes through the first screw hole 321 and then is rotationally connected with the upper end of the pressing plate 33, the handle 35 is fixedly arranged at the upper end of the screw 34, and the lower end of the first guide rod 36 passes through the first guide hole 322 and then is fixedly connected with the upper end of the pressing plate 33. Wherein, the up end of clamp plate 33 is provided with the rotation seat, and the lower extreme of screw rod 34 passes through rotation seat and clamp plate 33 normal running fit.
Further, the copper block 37 is fixedly provided at the lower end of the pressing plate 33, and of course, the copper block 37 may be another metal block having good conductivity and stable performance.
The tester can rotate the screw 34 through the handle 35 to adjust the height of the pressing plate 33, so that the copper block 37 is matched with the conductive plate 2 to clamp the tab or is separated from the tab, and the lithium ion battery is convenient to assemble and disassemble.
In the third embodiment, as shown in fig. 4, the rest is the same as the embodiment, except that the upper end surface of the conductive plate 2 is electroplated with a first gold plating layer 22, the lower end surface of the copper block 37 is electroplated with a second gold plating layer 371, so that the conductive effect is better, and the plating layer can be plated with nickel or other metals with good conductivity and stable performance.
In this embodiment, the base 1 and the pressing plate 33 are both insulating bakelite plates, and the rigidity and the insulation are both good.
In the fourth embodiment, as shown in fig. 1, 5 and 6, the rest is the same as the first embodiment, except that a chute 12, a slide block 13 and a limiting member 14 are arranged on the base 1, the slide block 13 is in sliding fit with the chute 12 left and right, a conductive plate 2 and a clamping member 3 are arranged on the slide block 13, and the limiting member 14 is used for limiting the slide of the slide block 13. The design of this structure makes the interval of two holders 3 adjustable to make the lithium ion battery of holder 3 can adapt to different sizes, the suitability is better.
In this embodiment, a second guide rod 121 is disposed between the left and right side walls of the chute 12, a second guide hole 131 is disposed on the side surface of the slider 13, the second guide rod 121 penetrates through the second guide hole 131, and the second guide rod 121 cooperates with the second guide hole 131 to perform a guiding function, so as to ensure that the slider 13 can only slide along the left and right directions, and has good stability.
In this embodiment, the limiting member 14 includes at least one limiting plate 141, the bottom of the chute 12 is provided with a plurality of second screw holes 122, the plurality of second screw holes 122 are divided into front and rear rows, two connecting holes 142 and two bolts 143 are disposed on the limiting plate 141, one bolt 143 passes through one connecting hole 142 and then is in threaded connection with one second screw hole 122 located in the front row, and the other bolt 143 passes through the other connecting hole 142 and then is in threaded connection with one second screw hole 122 located in the rear row. When limiting plate 141 is one, limiting plate 141 can be with the left surface of spout 12 or the right flank cooperation restriction slider 13 slip of spout 12, and when limiting plate 141 was two, two limiting plates 141 distributed in the left and right sides of slider 13 in order to restrict slider 13 slip, according to actual demand regulation can, the flexibility is better.
In this embodiment, the bottom of the chute 12 is provided with a plurality of ventilation holes 123, so that the lithium ion battery can exchange heat with the outside.
The utility model has been described above by way of example with reference to the accompanying drawings, it is clear that the implementation of the utility model is not limited to the above-described manner, but it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted or without any improvement.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323555491.XU CN222529385U (en) | 2023-12-26 | 2023-12-26 | Clamp for lithium ion battery test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323555491.XU CN222529385U (en) | 2023-12-26 | 2023-12-26 | Clamp for lithium ion battery test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222529385U true CN222529385U (en) | 2025-02-25 |
Family
ID=94681252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323555491.XU Active CN222529385U (en) | 2023-12-26 | 2023-12-26 | Clamp for lithium ion battery test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222529385U (en) |
-
2023
- 2023-12-26 CN CN202323555491.XU patent/CN222529385U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |