CN211626902U - Testing device for battery cover plate - Google Patents

Testing device for battery cover plate Download PDF

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Publication number
CN211626902U
CN211626902U CN202020455413.XU CN202020455413U CN211626902U CN 211626902 U CN211626902 U CN 211626902U CN 202020455413 U CN202020455413 U CN 202020455413U CN 211626902 U CN211626902 U CN 211626902U
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China
Prior art keywords
battery cover
cover plate
cap
torsion
clamping
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CN202020455413.XU
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Chinese (zh)
Inventor
渠雁晓
史百胜
娄佳训
高顺航
于贺
祖春吉
马远
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Svolt Energy Technology Co Ltd
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Svolt Energy Technology Co Ltd
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Abstract

The application discloses testing arrangement of battery apron, testing arrangement includes: the cap is fixedly connected with the pole on the battery cover plate; the force application piece is connected with the cover cap and is suitable for providing rotation torque and/or pushing torque for the cover cap so as to perform stress test on the battery cover plate. From this, through setting up block and application of force spare, can simulate the influence of the inflation in electric core or the battery cell in-service use to battery apron and utmost point post to in the test procedure, acquire the fatigue data and the life data of utmost point post, have the guide meaning to subsequent battery apron mass production, improve battery apron according to experimental data, can improve the life and the safety in utilization of follow-up product.

Description

Testing device for battery cover plate
Technical Field
The application relates to the technical field of battery testing, in particular to a testing device for a battery cover plate.
Background
Currently, the energy crisis has become a global focus of attention, new energy vehicles have exhibited various advantages and have emerged from the entire vehicle industry, and how to ensure higher safety performance of batteries as their core power sources is a problem that relevant technicians have been trying to solve.
In the correlation technique, the series-parallel connection between adjacent electric core, the battery cell is realized through the connection piece, but in the use, the expansion phenomenon can appear in electric core or battery cell, leads to the connection piece between adjacent battery cell or the electric core to appear along with electric core or battery cell's expansion deformation, and then draws car battery cover board, causes the influence to the utmost point post that lies in on the battery cover board, reduces the life of battery even.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. Therefore, the purpose of the application is to provide a testing device for a battery cover plate, the testing device can accurately measure the influence of the change of the torque force and the thrust force on the pole, and has guiding significance on the optimization design of the subsequent battery cover plate.
According to the utility model discloses battery cover plate's testing arrangement includes: the cap is fixedly connected with the pole on the battery cover plate; the force application piece is connected with the cover cap and is suitable for providing rotation torque and/or pushing torque for the cover cap so as to perform stress test on the battery cover plate.
According to the utility model discloses testing arrangement of battery apron through setting up block and application of force spare, can simulate the influence of the inflation in electric core or the battery cell in-service use to battery apron and utmost point post to in the test process, acquire the fatigue data and the life data of utmost point post, have guiding meaning to subsequent battery apron mass production, improve the battery apron according to experimental data, can improve the life and the safety in utilization of follow-up product.
According to some embodiments of the invention, the cap comprises: the cap body is provided with a limiting groove matched with the pole; the matching part is fixedly connected with the force application part.
Further, the cap body includes: the bottom plate with set up the curb plate on bottom plate periphery edge, the bottom plate with the curb plate is injectd the spacing groove.
In some embodiments, the retaining groove comprises: the side plate comprises a first limiting groove and a second limiting groove, wherein the first limiting groove is limited by the upper half parts of the bottom plate and the side plate, and the second limiting groove is limited by the lower half parts of the bottom plate and the side plate.
Further, the matching part is configured as a torsion column arranged on the side plate, the force application part is configured as a clamping jaw matched with the torsion column, and the center of the pole is positioned on the central axis of the torsion column.
Further, the torsion column includes: a first torsion post and a second torsion post, a central axis of the first torsion post being orthogonal to a central axis of the second torsion post.
In some embodiments, the jaw comprises: the clamping device comprises a body part and a claw part positioned at one end of the body part, wherein the claw part comprises a plurality of clamping feet which are arranged at equal angular intervals, and a clamping space is defined between the plurality of clamping feet.
Further, the torsion column is provided with a plurality of clamping surfaces, and each clamping foot is matched with the corresponding clamping surface.
In some embodiments, the torsion columns are configured as N prisms, and the number of the clamping legs is M, where M is N/2(N is an even number) or M is (N +1)/2(N is an odd number).
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram of a cap and a battery cover plate of a testing device according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a cap and a battery cover plate of a testing device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a force applying member of a testing device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a cap of a testing device according to an embodiment of the present invention.
Reference numerals:
a cap 10, a cap body 11, a bottom plate 111, a side plate 112, a fitting portion 12, a first torsion bar 121, a second torsion bar 122,
a biasing member 20, a body portion 21, a claw portion 22, a holding leg 221,
battery cover plate 01 and pole 02.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
A test apparatus of the battery cover plate 01 according to an embodiment of the present application is described below with reference to fig. 1 to 4.
As shown in fig. 1 and 2, the testing device of the battery cover plate 01 according to the embodiment of the present invention includes: the cap 10, the cap 10 is fixedly connected with the pole 02 on the battery cover plate 01; and the force application part 20, the force application part 20 is connected with the cap 10 and is suitable for providing rotation torque and/or pushing torque for the cap 10 so as to perform stress test on the battery cover plate 01.
Specifically, the cap 10 is disposed on the battery cover plate 01 and adapted to be covered on the post 02 (for example, welded and fixed on the post 02), and the force application member 20 is selectively connected to the cap 10 and adapted to provide a rotation torque and/or a pushing torque, so that the cap 10 pushes the post 02 or twists the post 02 to simulate an acting force of the connecting sheet on the battery cover plate 01 during expansion of the battery cell or the single battery during the charging and discharging processes during daily use, so as to observe and collect states of the post 02 under different thrusts and different torques.
According to the utility model discloses testing arrangement of battery apron 01, through setting up block 10 and application of force piece 20, can simulate the influence of the inflation of electric core or battery cell in-service use to battery apron 01 and utmost point post 02 to in the test process, acquire the fatigue data and the life data of utmost point post 02, have the guide meaning to subsequent 01 mass production of battery apron, improve battery apron 01 according to experimental data, can improve the life and the safety in utilization of subsequent product.
In the specific embodiments shown in fig. 2 and 4, according to some embodiments of the invention, the cap 10 comprises: the cap comprises a cap body 11, wherein a limit groove matched with the pole 02 is formed in the cap body 11; the matching part 12, the matching part 12 and the force applying piece 20 are fixedly connected.
That is, the cap 10 is connected to the force applying member 20 through the fitting portion 12, and the cap 10 is limited by the limiting groove during the connection of the cap 10 to the pole 02. Therefore, on one hand, the matching part 12 is arranged, so that the force application part 20 is conveniently connected with the cap 10, and the operation in the test process is simpler and quicker; on the other hand, through setting up the spacing groove, make the mounted position of lid 10 on utmost point post 02 more accurate, the installation accuracy is higher to make testing arrangement's measurement accuracy higher, the test data that obtains are more accurate, reliable.
In the particular embodiment shown in fig. 4, the cap body 11 comprises: the bottom plate 111 and the curb plate 112 of setting at bottom plate 111 periphery edge, bottom plate 111 and curb plate 112 limit the spacing groove.
Specifically, the spacing groove includes: a first stopper groove defined by upper half portions of the bottom plate 111 and the side plate 112, and a second stopper groove defined by lower half portions of the bottom plate 111 and the side plate 112. Like this, first spacing groove and utmost point post 02 cooperation, the second spacing groove is located bottom plate 111 upside, makes the structure of block body 11 more reasonable, and structural strength is higher.
Further, the fitting portion 12 is configured as a torsion post provided on the side plate 112, the urging member 20 is configured as a jaw fitted with the torsion post, and the center of the pole 02 is located on the central axis of the torsion post.
Specifically, the torsion beam includes: a first torsion column 121 and a second torsion column 122, the first torsion column being disposed on the side plate 112, the second torsion column 122 being disposed on the bottom plate 111, and a central axis of the first torsion column 121 being orthogonal to a central axis of the second torsion column 122.
Therefore, the first torsion column 121 and the second torsion column 122 can be used for measuring corresponding data under the effects of various thrusts and torsions of the pole 02, and the measuring efficiency can be improved on the premise of ensuring the measuring accuracy.
In the particular embodiment shown in fig. 3, the jaws comprise: the wrench comprises a body part 21 and a claw part 22 positioned at one end of the body part 21, wherein the claw part 22 comprises a plurality of clamping feet 221 arranged at equal angular intervals, a clamping space is defined between the plurality of clamping feet 221, the torsion column is provided with a plurality of clamping surfaces, and each clamping foot 221 is matched with the corresponding clamping surface.
In this way, the torsion column extends into the clamping space, and several of the plurality of clamping surfaces are clamped by the clamping feet 221, so that the matching effect of the force application member 20 and the cap 10 can be improved, and the force transmission effect between the force application member 20 and the cap 10 is better.
It is understood that the torsion bar is configured as an N-prism, the number of the clamping legs 221 is M, and M-N/2N is an even number or M-N +1/2N is an odd number.
For example, when the torsion beam is configured as a hexagonal prism, the number of the clamping legs 221 is 3, and when the torsion beam is configured as a hepta-prism, the number of the clamping legs 221 is four. Thus, the number of the clamping legs 221 is more reasonable, and the torque fixing effect and the driving effect of the clamping legs 221 can be improved.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
In the description of the present application, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present application, "a plurality" means two or more.
In the description of the present application, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact not directly but via another feature therebetween.
In the description of the present application, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A testing device for a battery cover plate (01), characterized by comprising:
the cover cap (10), the cover cap (10) is fixedly connected with the pole (02) on the battery cover plate (01);
a force application member (20), wherein the force application member (20) is connected with the cover cap (10) and is suitable for providing rotation torque and/or pushing torque for the cover cap (10) to carry out stress test on the battery cover plate (01).
2. The testing device of a battery cover plate (01) according to claim 1, wherein the cap (10) comprises:
the terminal cap comprises a cap body (11), wherein a limiting groove matched with the pole (02) is formed in the cap body (11);
the matching part (12), the matching part (12) and the force applying part (20) are fixedly connected.
3. The testing device of a battery cover plate (01) according to claim 2, wherein the cap body (11) comprises: the limiting groove comprises a bottom plate (111) and a side plate (112) arranged on the outer peripheral edge of the bottom plate (111), wherein the bottom plate (111) and the side plate (112) define the limiting groove.
4. The testing device of a battery cover plate (01) according to claim 3, wherein the limiting groove comprises: a first limit groove defined by the upper half parts of the bottom plate (111) and the side plate (112) and a second limit groove defined by the lower half parts of the bottom plate (111) and the side plate (112).
5. The testing device of a battery cover plate (01) according to claim 3, characterized in that the fitting part (12) is configured as a torsion post provided on the side plate (112), the force application member (20) is configured as a jaw fitted with the torsion post, and the center of the pole (02) is located on the central axis of the torsion post.
6. The testing device of a battery cover plate (01) according to claim 5, wherein the torsion bar comprises: a first torsion column (121) and a second torsion column (122), a central axis of the first torsion column (121) being orthogonal to a central axis of the second torsion column (122).
7. The device for testing battery cover plates (01) according to claim 5, characterized in that the clamping jaws comprise: the clamping device comprises a body part (21) and a claw part (22) positioned at one end of the body part (21), wherein the claw part (22) comprises a plurality of clamping feet (221) arranged at equal angular intervals, and a clamping space is defined between the plurality of clamping feet (221).
8. The testing device of a battery cover plate (01) according to claim 6, characterized in that the torsion column has a plurality of clamping surfaces, each clamping foot (221) cooperating with a corresponding clamping surface.
9. The device for testing a battery cover plate (01) according to claim 7, wherein the torsion bar is configured as an N-prism, the number of the clamping legs (221) is M, and M is N/2(N is an even number) or M is (N +1)/2(N is an odd number).
CN202020455413.XU 2020-03-31 2020-03-31 Testing device for battery cover plate Active CN211626902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020455413.XU CN211626902U (en) 2020-03-31 2020-03-31 Testing device for battery cover plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020455413.XU CN211626902U (en) 2020-03-31 2020-03-31 Testing device for battery cover plate

Publications (1)

Publication Number Publication Date
CN211626902U true CN211626902U (en) 2020-10-02

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CN202020455413.XU Active CN211626902U (en) 2020-03-31 2020-03-31 Testing device for battery cover plate

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CN (1) CN211626902U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113125050A (en) * 2021-04-14 2021-07-16 浙江中泽精密科技有限公司 Torsion testing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113125050A (en) * 2021-04-14 2021-07-16 浙江中泽精密科技有限公司 Torsion testing device
CN113125050B (en) * 2021-04-14 2023-02-24 浙江中泽精密科技有限公司 Torsion testing device

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