CN207964884U - A kind of lithium ion battery test fixture - Google Patents

A kind of lithium ion battery test fixture Download PDF

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Publication number
CN207964884U
CN207964884U CN201820111377.8U CN201820111377U CN207964884U CN 207964884 U CN207964884 U CN 207964884U CN 201820111377 U CN201820111377 U CN 201820111377U CN 207964884 U CN207964884 U CN 207964884U
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CN
China
Prior art keywords
metallic plate
lithium ion
ion battery
test fixture
test
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.)
Expired - Fee Related
Application number
CN201820111377.8U
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Chinese (zh)
Inventor
史银春
黎朝晖
胡林
石雪倩
方瑛
马小彪
李霖
郑小平
徐振轩
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.)
Hunan Weiwei Sheng New Energy Technology Co Ltd
Original Assignee
Hunan Weiwei Sheng New Energy Technology Co Ltd
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Priority to CN201820111377.8U priority Critical patent/CN207964884U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model proposes a kind of lithium ion battery test fixtures, including pedestal, and it is removably secured several test cells being set on pedestal, the test cell includes two end caps being oppositely arranged and the incorporating section being placed between two end caps, the incorporating section is connected between two end caps by connector, each end cap includes baffle for placing mesuring battary, and it is telescopically fixedly installed on the metallic plate on baffle, electrode leading-off rods is additionally provided on every piece of metallic plate.The lithium ion battery test fixture of this structure, first, the quantity of test cell can be multiple, i.e., can once test polylith battery, therefore, testing efficiency is higher, secondly, the structure of lithium ion battery test fixture is relatively simple, and space availability ratio is higher, and use cost is also less expensive.Again, when test, battery, which is placed between incorporating section, to be tested, and battery of different shapes can also be tested, and therefore, use is more convenient, and operability is strong, good reliability.

Description

A kind of lithium ion battery test fixture
Technical field
The utility model is related to field of fixtures, more particularly to a kind of lithium ion battery test fixture.
Background technology
As the lasting consumption of the non-renewable resources such as oil, natural gas in worldwide and human kind sustainable development are managed That reads gradually increases, and energy storage technology gradually causes the attention of the mankind.Currently, having there is such as draw water energy storage, pressure in energy storage field A variety of energy storage technologies such as the energy storage of contracting air and electrochemical energy storage.Wherein, in terms of electrochemical energy storage, the use of lithium ion battery is standby It is concerned.Compared to traditional lead-acid battery, lithium ion battery is higher than energy, safety is good, capacity is big, self discharge is weak and memory effect Answer small, these advantages make it be widely used in the applications and occasion such as household electrical appliances, electric vehicle and energy storage.But lithium ion battery is in life Inevitable existence component and technological fluctuation, end properties have differences when production.Therefore lithium ion battery must be carried out using preceding Electrochemical property test is to obtain reliable performance parameter.In the electrochemical property test of mesuring battary, battery and survey Connective stability between test instrument is critically important to obtaining accurate test parameter.However rectangular and cylindrical lithiums many at present from How cylinder the electrode of sub- battery is, and this cylindrical electrode is difficult the crocodile grips with test equipment.Even if after clamping, Contact area between electrode and collet is small, use when being unfavorable for high-current test;In addition, due to the surface light of cylindrical electrode Cunning, collet and interelectrode clamp not strongly are consolidated, and the risk that falls off is higher.All it is to electricity in many cases to overcome above-mentioned drawback The electrode welding conducting wire in pond, then connect the line on collet, realize the connection between test equipment and mesuring battary.But it is electric Pond ontology is easily heated in welding lead, battery performance may be caused to decline;Solder joint is difficult to remove after the completion of testing simultaneously, to electricity Pond appearance causes to damage.
In order to make the performance parameter of rectangular and column lithium ion battery etc. be easy to steadily measure, related technical personnel set Different types of cell measuring clamp is counted.For example, Chinese patent (CN201610798319.2) disclose it is a kind of it is simple in structure, At low cost, service-strong charge-discharge test rectangular cell fixture, the fixture include mainly upper clamp plate, lower clamp plate, connection The bolt of upper clamp plate and lower clamp plate, upper clamp plate both sides the components such as pole piece, but the distance between the fixture upper clamp plate and lower clamp plate is not It is adjustable, prevent it from being adjusted flexibly according to the size of battery, versatility is relatively low.Chinese patent (CN201410782416.3) A kind of battery charging and discharging test fixture is disclosed, which is mainly formed and can be carried out more by pedestal and the upper cover being vertically movable Battery testing, it is efficient, but the fixture is bulky, complicated, cost is higher.Chinese patent (CN201120482283.X) A kind of cell measuring clamp simple in structure is disclosed, which includes top plate and bottom plate, vertical plate, card hole, card slot and positive and negative anodes The components such as binding post can equally realize the property of mesuring battary according to the size adjusting top plate and bottom plate distance of mesuring battary It can test, but the fixture is only capable of surveying the battery that positive and negative anodes are located at the same side, to certain batteries and is not suitable for.
In conclusion how to provide, one kind is simple in structure, space availability ratio is high, testing efficiency is high and use cost is low The honest and clean and high lithium ion battery test fixture of reliability, the technical issues of at those skilled in the art's urgent need to resolve.
Utility model content
The technical problems to be solved in the utility model is:Offer one kind is simple in structure, space availability ratio is high, testing efficiency Height and use cost is cheap and the high lithium ion battery test fixture of reliability.
What the solution of the utility model was realized in:The utility model proposes a kind of lithium ion battery test clips Tool, including pedestal, and several test cells being set on pedestal are removably secured, the test cell includes opposite Two end caps being arranged and the incorporating section being placed between two end caps, the incorporating section is for placing mesuring battary, two end caps Between connected by connector, each end cap includes baffle, and the metallic plate being telescopically fixedly installed on baffle, Electrode leading-off rods is additionally provided on every piece of metallic plate.The lithium ion battery test fixture of this structure, the lithium-ion electric with existing Hu structure Pond test fixture is compared, and first, the quantity of test cell can be multiple, i.e., can once test polylith battery, therefore, test effect Rate is higher, and secondly, the structure of lithium ion battery test fixture is relatively simple, and space availability ratio is higher, and use cost is also less expensive. Again, when test, battery, which is placed between incorporating section, to be tested, and battery of different shapes can also be tested, and therefore, made With more convenient, operability is strong, good reliability.
Another technical solution of the utility model is that on above-mentioned basis, the test cell includes that structure is identical First test cell and the second test cell, the pedestal are equipped with two parallel grooves, first test cell and the Two test cells are respectively arranged in two grooves.
Another technical solution of the utility model be it is above-mentioned basis on, the connector be multi-filament bar, every piece Multiple connecting holes are additionally provided on baffle, the both ends of every lead screw are fixedly installed on respectively in the connecting hole.
Another technical solution of the utility model is that on above-mentioned basis, the metallic plate includes the first metallic plate, The baffle face opposite with the first metallic plate is equipped with several blind holes, and first metallic plate is removable by several screws It is fixedly installed on unloading in the blind hole.
Another technical solution of the utility model is that on above-mentioned basis, the metallic plate further includes and the first metal Plate the second metallic plate disposed in parallel, the second metallic plate are connect by more elastic components with the first metallic plate, and the electrode is drawn Bar is fixedly installed on the second metallic plate.
Another technical solution of the utility model is that on above-mentioned basis, the elastic component is spring, and quantity is Two, it is respectively arranged at the both sides of the electrode leading-off rods.
Another technical solution of the utility model be it is above-mentioned basis on, on first metallic plate and baffle on Equipped with through-hole, the electrode leading-off rods is stretched out out of described through-hole.
Another technical solution of the utility model is that on above-mentioned basis, the electrode leading-off rods stretches out the baffle One end be additionally provided with clamping part, the clamping part with the collet of test equipment for connecting.
Another technical solution of the utility model is that on above-mentioned basis, the pedestal is also set away from one end of groove There are several reinforcing ribs, the reinforcing rib lateral and/or vertically arranged.
Another technical solution of the utility model is that on above-mentioned basis, the first test cell and the second side try unit The end cover structure at both ends is identical, and after mesuring battary is placed in incorporating section, both ends are held in the second metal of two end caps respectively On plate.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
Fig. 1 is a kind of dimensional structure diagram of lithium ion battery test fixture of the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural schematic diagram of pedestal in Fig. 1;
Fig. 4 is the structural schematic diagram of baffle in Fig. 1;
Fig. 5 is the structural schematic diagram of half fixture in Fig. 1;
Fig. 6 is the structural schematic diagram of electrode leading-off rods in Fig. 5.
Reference numeral correspondence is:
1 pedestal, 11 groove, 12 reinforcing rib
2 baffle, 21 connecting hole, 22 blind hole
3 lead screw, 4 nut, 5 first metallic plate
6 screw, 7 spring, 8 second metallic plate
9 electrode leading-off rods, 91 clamping part
10 incorporating section, 13 battery, 14 electrode
15 through-holes
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory, There should not be any restriction effect to the scope of protection of the utility model.In addition, those skilled in the art's retouching according to this document It states, the corresponding combination can be carried out to the feature in embodiment in this document and in different embodiments.
The utility model embodiment is as follows, refers to Fig. 1 to lithium ion battery test fixture shown in fig. 6 and its composition portion Part specifically includes pedestal 1, and is removably secured several test cells being set on pedestal 1, and test cell includes phase To the identical end cap of two structures of setting, incorporating section 10 is equipped between two end caps, incorporating section 10 is specifically used for placing to be measured The battery 13 of examination is fixed together by connector between two end caps, for each end cap, as shown in figure 5, specific packet Baffle 2 is included, telescopic metallic plate is further fixedly arranged on baffle 2, electrode leading-off rods 9 is additionally provided on every piece of metallic plate.This knot The lithium ion battery test fixture of structure, compared with the lithium ion battery test fixture of existing Hu structure, first, the quantity of test cell It can be multiple, i.e., can once test polylith battery 13, therefore, testing efficiency is higher, secondly, lithium ion battery test fixture Structure is relatively simple, and space availability ratio is higher, and use cost is also less expensive.Again, when test, battery 13 is placed in incorporating section 10 Between can be tested, battery 13 of different shapes can also be tested, therefore, use is more convenient, and operability is strong, reliably Property is good.
On the basis of the above embodiments, in another embodiment of the utility model, as depicted in figs. 1 and 2, test cell packet Include the first test cell and the second test cell, the structure of the first test cell and the second test cell is identical, and pedestal 1 is equipped with Two parallel grooves 11, and two grooves 11 are through the left and right ends of pedestal 1, the first test cell and the second test cell It is respectively arranged in two grooves 11.
On the basis of the above embodiments, in another embodiment of the utility model, as depicted in figs. 1 and 2, connector includes Multi-filament bar 3, more specifically, the excellent quantity of lead screw 3 is 4, i.e., two end plates of each test cell pass through 4 lead screws 3 It fixes.As shown in figure 4, multiple connecting holes 21 are equipped with per block baffle 2, and it is preferably consistent with the quantity of lead screw 3, i.e., 4, every The both ends of lead screw 3 are fixedly installed on respectively in connecting hole 21, and are fixed by spiro connecting piece etc..In addition, the material of lead screw 3 is One or more of nylon, epoxy resin, engineering plastics.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in figure 5, metallic plate includes first Metallic plate 5, the face opposite with the first metallic plate 5 of baffle 2 is equipped with several blind holes 22, specifically, as shown in figure 4, blind hole 22 Preferably 4, the first metallic plate 5 is removably secured by several screws 6 and is set in blind hole 22, the quantity of screw 6 with The quantity of blind hole 22 is consistent, as 4.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in figure 5, metallic plate specifically also wraps Include with 5 second metallic plate 8 disposed in parallel of the first metallic plate, the material of 5 second metallic plate of the first metallic plate be copper and copper alloy, One or more of iron and steel, aluminium and aluminium alloy, titanium or titanium alloy.Second metallic plate 8 passes through more elastic components and first Metallic plate 5 connects, and electrode leading-off rods 9 is fixedly installed on the second metallic plate 8, when the second metallic plate 8 is stretched on the first metallic plate 5 When contracting, electrode leading-off rods 9 is also correspondingly flexible with the second metallic plate 8.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in figure 5, elastic component is preferably bullet Spring 7, quantity are preferably two, are respectively arranged at the left and right sides of electrode leading-off rods 9, under the action of two spring 7, first The distance between metallic plate 5 and the second metallic plate 8 are adjustable, ensure that it can test the battery 13 of different size, and ensure The reliability that second metallic plate 8 is contacted with 13 electrode 14 of battery.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 4 and Figure 5, the first metallic plate 5 and baffle 2 on be equipped with through-hole 15, electrode leading-off rods 9 is stretched out out of through-hole 15, and through-hole 15 and electrode leading-off rods 9 it Between cooperation be preferably clearance fit.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 5 and Figure 6, electrode leading-off rods 9 one end, the one end for specially stretching out baffle 2 are additionally provided with clamping part 91, and clamping part 91 is specifically used for the instrument with test battery 13 The collet of device connects, it should be noted that the structure of clamping part 91 can be varied, is not specifically limited herein.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in figure 3, to ensure the strong of pedestal 1 It spends, on the bottom surface of pedestal 1, that is, the side for deviating from groove 11 is additionally provided with several reinforcing ribs 12, and several reinforcing ribs 12 are laterally And/or it is vertically arranged.
On the basis of the above embodiments, in another embodiment of the utility model, as previously mentioned, the first test cell and The structure that unit is tried in two sides is identical, and the end cover structure at two test cell both ends is also identical, when mesuring battary 13 is placed in incorporating section After in 10, the both ends of battery 13, i.e. two electrodes 14 are held on the second metallic plate 8 of two end caps, and pass through two respectively Two electrode leading-off rods 9 on second metallic plate 8 are drawn, to be tested for it.Furthermore, it is necessary to which explanation, works as test When the battery 13 of different size, by adjusting the nut 4 of lead screw 3 and 3 both ends of lead screw, change size and the rule of entire incorporating section 10 Lattice can be realized, and therefore, in addition to the above-described advantages, the lithium ion battery test fixture of this structure also has versatile, Yi Jili With the high advantage of rate.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of lithium ion battery test fixture, which is characterized in that including pedestal (1), and be removably secured and be set to bottom Several test cells on seat (1), the test cell include two end caps being oppositely arranged and are placed between two end caps Incorporating section (10), the incorporating section (10) connected, often between two end caps by connector for placing mesuring battary (13) A end cap includes baffle (2), and the metallic plate being telescopically fixedly installed on baffle (2), on every piece of metallic plate also Equipped with electrode leading-off rods (9).
2. lithium ion battery test fixture according to claim 1, which is characterized in that the test cell includes structure phase Same the first test cell and the second test cell, the pedestal (1) are equipped with two parallel grooves (11), and described first surveys Examination unit and the second test cell are respectively arranged in two grooves (11).
3. lithium ion battery test fixture according to claim 2, which is characterized in that the connector is multi-filament bar (3), multiple connecting holes (21) are additionally provided in every block baffle (2), the both ends of every lead screw (3) are fixedly installed on the connection respectively In hole (21).
4. lithium ion battery test fixture according to claim 3, which is characterized in that the metallic plate includes the first metal Plate (5), the baffle (2) are equipped with several blind holes (22), first metallic plate with the opposite face of the first metallic plate (5) (5) it is removably secured and is set in the blind hole (22) by several screws (6).
5. lithium ion battery test fixture according to claim 4, which is characterized in that the metallic plate further includes with first Metallic plate (5) the second metallic plate (8) disposed in parallel, the second metallic plate (8) are connected by more elastic components and the first metallic plate (5) It connects, the electrode leading-off rods (9) is fixedly installed on the second metallic plate (8).
6. lithium ion battery test fixture according to claim 5, which is characterized in that the elastic component is spring (7), Quantity is two, is respectively arranged at the both sides of the electrode leading-off rods (9).
7. lithium ion battery test fixture according to claim 6, which is characterized in that first metallic plate (5) and gear Through-hole (15) is equipped on plate (2), the electrode leading-off rods (9) is stretched out out of the through-hole (15).
8. lithium ion battery test fixture according to claim 7, which is characterized in that the electrode leading-off rods (9) is stretched out One end of the baffle (2) is additionally provided with clamping part (91), and the clamping part (91) with the collet of test equipment for connecting.
9. lithium ion battery test fixture according to claim 8, which is characterized in that the pedestal (1) deviates from groove (11) one end is additionally provided with several reinforcing ribs (12), and the reinforcing rib (12) is lateral and/or vertically arranged.
10. lithium ion battery test fixture according to claim 9, which is characterized in that the first test cell and the second side The end cover structure for trying unit both ends is identical, and after mesuring battary (13) is placed in incorporating section (10), both ends are held in two respectively On the second metallic plate (8) of end cap.
CN201820111377.8U 2018-01-23 2018-01-23 A kind of lithium ion battery test fixture Expired - Fee Related CN207964884U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820111377.8U CN207964884U (en) 2018-01-23 2018-01-23 A kind of lithium ion battery test fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820111377.8U CN207964884U (en) 2018-01-23 2018-01-23 A kind of lithium ion battery test fixture

Publications (1)

Publication Number Publication Date
CN207964884U true CN207964884U (en) 2018-10-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111323721A (en) * 2018-12-13 2020-06-23 中国科学院大连化学物理研究所 Quick clamping device of metal fuel cell magnesium sea water battery
CN112285567A (en) * 2020-10-20 2021-01-29 欣旺达电动汽车电池有限公司 Battery cell calendar life testing device and method
CN114440974A (en) * 2022-01-18 2022-05-06 上海工程技术大学 Battery expansion displacement and temperature in-situ measuring device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111323721A (en) * 2018-12-13 2020-06-23 中国科学院大连化学物理研究所 Quick clamping device of metal fuel cell magnesium sea water battery
CN111323721B (en) * 2018-12-13 2022-02-22 中国科学院大连化学物理研究所 Quick clamping device of magnesium seawater battery
CN112285567A (en) * 2020-10-20 2021-01-29 欣旺达电动汽车电池有限公司 Battery cell calendar life testing device and method
CN114440974A (en) * 2022-01-18 2022-05-06 上海工程技术大学 Battery expansion displacement and temperature in-situ measuring device
CN114440974B (en) * 2022-01-18 2024-01-19 上海工程技术大学 Battery expansion displacement and temperature in-situ measurement device

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20181012

Termination date: 20220123