CN111562177A - Battery test extrusion platform - Google Patents
Battery test extrusion platform Download PDFInfo
- Publication number
- CN111562177A CN111562177A CN202010561208.6A CN202010561208A CN111562177A CN 111562177 A CN111562177 A CN 111562177A CN 202010561208 A CN202010561208 A CN 202010561208A CN 111562177 A CN111562177 A CN 111562177A
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- plate
- barb
- locking structure
- force transmission
- force
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000001125 extrusion Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 13
- 229910052744 lithium Inorganic materials 0.000 description 13
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009778 extrusion testing Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery test extrusion platform which comprises a bottom plate, a pressure strain gauge baffle, a force application plate, a stud fixing plate, a force transmission plate, a spring and an upright post, wherein the bottom plate, the pressure strain gauge baffle, the force application plate, the stud fixing plate, the force transmission plate, the spring and the upright post are sequentially arranged from top to bottom; the bottom plate, the pressure strain gauge baffle, the force application plate and the force transmission plate are symmetrically provided with abdication holes along the center; the bottom plate, the pressure strain gauge baffle, the force application plate and the abdicating holes on the force transmission plate are all in one-to-one correspondence from top to bottom; the upright post sequentially penetrates through the yielding holes in the bottom plate, the pressure strain gauge baffle, the force application plate and the force transmission plate; a battery to be tested is arranged between the stud fixing plate and the force application plate; the upright post between the force application plate and the force transmission plate penetrates through the spring; the center position of the force transmission plate is provided with a center force application device. By applying the technical scheme, the accuracy of the battery pressure test can be realized on the basis of simple platform structure.
Description
Technical Field
The invention relates to the field of battery testing, in particular to a battery testing extrusion platform.
Background
With the increasing concern of people on the environment, the new energy drive is more and more popular, the lithium battery becomes one of the cores in the new energy drive by virtue of the advantages of high energy density, environmental friendliness, long service life and the like, and the safety of the lithium battery is also the most concern of the public. With the great investment of the battery, the safety accidents are continuously increased, the battery of the mobile phone explodes, the new energy automobile fires, and the like. In order to check the safety of the battery under specific conditions, it is necessary to design a device capable of applying pressure to the battery so as to evaluate the safety of the battery. The pressure test of the battery in the current market generally adopts an expensive pressure tester, which causes some small-sized mechanisms to abandon the detection of the safety, in addition, part of cheap and simple pressure devices can satisfy the pressure application of the battery in principle, but they can not ensure the consistency of the pressure application of the same plane of the battery, which causes the detection result to be inaccurate.
Disclosure of Invention
The invention aims to provide a battery test extrusion platform, which realizes the accuracy of battery pressure test on the basis of simple platform structure.
In order to solve the technical problem, the invention provides a battery testing extrusion platform which comprises a bottom plate, a pressure strain gauge baffle, a force application plate, a stud fixing plate, a force transmission plate, a spring and an upright post, wherein the bottom plate, the pressure strain gauge baffle, the force application plate, the stud fixing plate, the force transmission plate, the spring and the upright post are sequentially arranged from top to bottom; the bottom plate, the pressure strain gauge baffle, the force application plate and the force transmission plate are symmetrically provided with abdication holes along the center; the bottom plate, the pressure strain gauge baffle, the force application plate and the abdicating holes on the force transmission plate are all in one-to-one correspondence from top to bottom; the upright post sequentially penetrates through the yielding holes in the bottom plate, the pressure strain gauge baffle, the force application plate and the force transmission plate; a battery to be tested is arranged between the stud fixing plate and the force application plate; the upright post between the force application plate and the force transmission plate penetrates through the spring; the center position of the force transmission plate is provided with a center force application device.
In a preferred embodiment, the device further comprises a first barb locking structure and a second barb locking structure, and a plurality of first notches are arranged on the bottom plate; one side of the stud fixing plate extends downwards to form the first barb locking structure; the tail end of the first barb locking structure is provided with a first barb for limiting the first incision; a second notch is formed in one side, not provided with the first barb locking structure, of the stud fixing plate; the second barb locking structure specifically sets up along vertical direction, just barb locking structure's upper and lower both ends are provided with the second barb, the second barb that is located the below be used for with first incision is spacing each other, is located the top the second barb be used for with the second incision is spacing each other.
In a preferred embodiment, one side of the stud fixing plate provided with the second notch is also provided with an abdicating groove; the second barb locking structure is absorbed in the groove of stepping down makes to be located the top the second barb with when the second incision is spacing each other, second barb locking structure is spacing along the horizontal direction.
In a preferred embodiment, the first barb locking structure is formed by extending one side of the stud fixing plate downwards along a vertical direction for a certain distance, then extending the stud fixing plate horizontally for a certain distance, and then extending the stud fixing plate upwards along the vertical direction for a certain distance; the second barb locking structure is including vertical body, the both ends of vertical body extend one section distance back along the horizontal direction respectively upwards and extend one section distance downwards and form the second barb.
In a preferred embodiment, there are two first barb locking structures and two second barb locking structures.
In a preferred embodiment, the central force applying device is a stud or a bolt; a through hole is formed in the center of the force transmission plate, and the stud penetrates through the through hole and abuts against the middle of the stud fixing plate; the bolt is connected with the stud, and the bolt is rotated to enable the force transmission plate to move upwards or downwards; the force transmission plate moves downwards to enable the spring to be pressed and generate pressing force to press the force application plate.
In a preferred embodiment, when the spring is compressed to the minimum length, the distance between the force transmission plate and the force application plate is larger than the thickness of the stud fixing plate.
In a preferred embodiment, the aperture of the through hole is larger than the diameter of the stud.
In a preferred embodiment, four of the posts are provided.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
the invention provides a battery test extrusion platform, which realizes the accuracy of battery pressure test on the basis of simple platform structure. The compression of four equal parts of springs is carried out on the force plate by forming a downward movement trend to the force plate through screwing of the nut stud, and under the action of the spring force, the lithium battery can be pressed by the pressure from the force application plate to achieve a compression state. The portable solar water heater has the advantages of low price, high cost performance, convenience in operation, portability and the like.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a battery test pressing platform according to a preferred embodiment of the present invention;
FIG. 2 is a top view of a bottom plate structure of a battery testing press platform according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a position relationship between a stud fixing plate and a first barb locking structure of a battery test pressing platform according to a preferred embodiment of the present invention;
fig. 4 is a schematic diagram of a second barb lock structure of the battery test pressing platform according to the preferred embodiment of the invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
A battery test extrusion platform refers to figures 1 to 4 and comprises a bottom plate 2, a pressure strain gauge baffle 3, a force application plate 4, a stud fixing plate 5, a force transmission plate 6, a spring 8 and an upright post 7 which are sequentially arranged from top to bottom; the bottom plate 2, the pressure strain gauge baffle 3, the force application plate 4 and the force transmission plate 6 are symmetrically provided with abdicating holes along the center; the bottom plate 2, the pressure strain gauge baffle 3, the force application plate 4 and the force transmission plate 6 are provided with abdication holes which are in one-to-one correspondence from top to bottom; the upright posts 7 sequentially penetrate through the yielding holes in the bottom plate 2, the pressure strain gauge baffle 3, the force application plate 4 and the force transmission plate 6, and in the embodiment, four upright posts 7 are arranged and are respectively arranged at four corners of the bottom plate 2, the pressure strain gauge baffle 3, the force application plate 4 and the force transmission plate 6; a battery to be tested is arranged between the stud fixing plate 5 and the force application plate 4; the upright post 7 between the force application plate 4 and the force transmission plate 6 penetrates through the spring 8; a central force application device is arranged at the central position of the force transmission plate 6. In this embodiment, the battery to be tested is specifically a lithium battery to be tested. Different springs 8 can be selected according to the actual requirements of experimenters to assemble the device, and different pressure requirements can be met. The size of bottom plate 2 structure is 160 × 100 × 15mm, and the thickness of other structure boards of contrast, bottom plate 2's thickness is thicker relatively, can play better stabilizing effect to overall structure, designs into hollow structure in the middle of the overall structure, can make the release that the heat that the lithium cell probably produced can be better in the extrusion experiment.
Still include first barb locking structure 53 and second barb locking structure 11, be provided with a plurality of first incisions 21 on the bottom plate 2, set up four first incisions 21 respectively in four positions as shown in fig. 2 and make the position of first barb locking structure 53 and second barb locking structure 11 restrict, avoid taking place the phenomenon of sliding in the course of the work. One side of the stud fixing plate 5 extends downwards to form the first barb locking structure 53; the tail end of the first barb locking structure 53 is provided with a first barb 531 for limiting the position of the first incision 21; a second notch 51 is formed in one side, which is not provided with the first barb locking structure 53, of the stud fixing plate 5; second barb locking structure 11 specifically sets up along vertical direction, just barb locking structure's upper and lower both ends are provided with second barb 111, the second barb 111 that is located the below be used for with first incision 21 is spacing each other, is located the top second barb 111 be used for with second incision 51 is spacing each other. One side of the stud fixing plate 5 provided with the second notch 51 is also provided with a yielding groove 52; when the second barb locking structure 11 sinks into the receding groove 52, so that the second barb 111 and the second notch 51 above the receding groove are mutually limited, the second barb locking structure 11 is limited along the horizontal direction. The first barb locking structure 53 is formed by extending one side of the stud fixing plate 5 downwards along the vertical direction for a certain distance, then extending the other side of the stud fixing plate along the horizontal direction for a certain distance, and then extending the other side of the stud fixing plate upwards along the vertical direction for a certain distance; the second barb locking structure 11 is including vertical body, the both ends of vertical body extend upwards respectively after a distance along the horizontal direction and extend a distance downwards and form second barb 111. In this embodiment, there are two first barb locking structures 53 and two second barb locking structures 11.
The central force application device is specifically a stud 9 and a bolt 10; a through hole is formed in the center of the force transmission plate 6, and the stud 9 penetrates through the through hole and abuts against the middle of the stud fixing plate 5; the bolt 10 is connected with the stud 9, and the bolt 10 is rotated to cause the upward or downward movement of the force transmission plate 6; the force transmission plate 6 moves downward so that the spring 8 is pressed and generates a pressing force to press the force application plate 4. In order to avoid friction between the stud 9 and the through hole and prolong the service life of the platform, the diameter of the through hole is larger than that of the stud 9. When the spring 8 is pressed to the minimum length, the distance between the force transmission plate 6 and the force application plate 4 is larger than the thickness of the stud fixing plate 5. The downward pressing force generated by the rotation between the nut and the stud 9 is transmitted to the force transmission plate 6, and the force on the plane is uniformly distributed by utilizing the characteristics of the plane structure. The central position of the force transmission plate 6 needs to be provided with a through hole which is 5mm larger than the diameter of the stud bolt 9, so that the stud bolt 9 is convenient to mount, friction between the force transmission plate 6 and the stud bolt 9 in the force application process is avoided, and the structural integrity of the force transmission plate 6 is further protected.
The installation and use method of the battery extrusion test platform comprises the following steps: insert the stand 7 into four holes of stepping down of bottom plate 2 at first, the main function of stand 7 is to provide the position for spring 8, restrict their direction of motion simultaneously, install four holes of stepping down on the pressure foil gage baffle 3 corresponding four positions of stand 7 after that, alright place the lithium cell group that will test on pressure foil gage baffle 3 this moment, then along with the through-hole with application of force board 4 down along stand 7, 4 direct contact test lithium cells of application of force board, install spring 8 respectively, cover dowel plate 6, all set up the hole of stepping down on each plate, can improve the firm of stand 7 from spatial arrangement, be unlikely to take place the skew at the experimentation. Then, the first barb locking structure 53 of the stud fixing plate 5 is aligned with the first notch 21 below the bottom plate 2, the second barb locking structure is fixed on the other side and corresponds to the first notch 21 through the second notch 51, the second barb 111 is combined with the first notch 21 and the second notch 51 to play a role in fixing, the plane of the stud fixing plate 5 is located above the force application plate 4, the thickness of the stud fixing plate does not exceed the limit compression length of the spring 8, the stud 9 can be screwed after the stud fixing plate 5 is fixed, and finally, a downward acting force is generated through the matching effect of the nut and the stud 9, and is transmitted to the lithium battery layer by layer to complete the extrusion working condition. The lithium battery extrusion test platform device provides an experiment table which is cheap, high in cost performance and simple to operate for the extrusion experiment of the lithium battery, so that more manufacturers can extrude and test the lithium battery, and the development of the lithium battery is promoted.
The invention provides a battery test extrusion platform, which realizes the accuracy of battery pressure test on the basis of simple platform structure. The four-part compression of the springs 8 at four positions is realized by forming a downward movement trend on the force plate 6 through screwing of the nut stud 9, and under the action of the force of the springs 8, the lithium battery can be pressed by the pressure from the force application plate 4 to reach a compressed state. The portable solar water heater has the advantages of low price, high cost performance, convenience in operation, portability and the like.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.
Claims (9)
1. A battery test extrusion platform is characterized by comprising a bottom plate, a pressure strain gauge baffle, a force application plate, a stud fixing plate, a force transmission plate, a spring and an upright post which are sequentially arranged from top to bottom; the bottom plate, the pressure strain gauge baffle, the force application plate and the force transmission plate are symmetrically provided with abdication holes along the center; the bottom plate, the pressure strain gauge baffle, the force application plate and the abdicating holes on the force transmission plate are all in one-to-one correspondence from top to bottom; the upright post sequentially penetrates through the yielding holes in the bottom plate, the pressure strain gauge baffle, the force application plate and the force transmission plate; a battery to be tested is arranged between the stud fixing plate and the force application plate; the upright post between the force application plate and the force transmission plate penetrates through the spring; the center position of the force transmission plate is provided with a center force application device.
2. The battery test extrusion platform of claim 1, further comprising a first barb locking structure and a second barb locking structure, wherein the base plate is provided with a plurality of first notches; one side of the stud fixing plate extends downwards to form the first barb locking structure; the tail end of the first barb locking structure is provided with a first barb for limiting the first incision; a second notch is formed in one side, not provided with the first barb locking structure, of the stud fixing plate; the second barb locking structure specifically sets up along vertical direction, just barb locking structure's upper and lower both ends are provided with the second barb, the second barb that is located the below be used for with first incision is spacing each other, is located the top the second barb be used for with the second incision is spacing each other.
3. The battery test pressing platform according to claim 2, wherein one side of the stud fixing plate provided with the second notch is further provided with a relief groove; the second barb locking structure is absorbed in the groove of stepping down makes to be located the top the second barb with when the second incision is spacing each other, second barb locking structure is spacing along the horizontal direction.
4. The battery test extrusion platform of claim 3, wherein the first barb locking structure is formed by extending one side of the stud fixing plate downward for a distance along a vertical direction, then extending for a distance along a horizontal direction, and then extending upward for a distance along the vertical direction; the second barb locking structure is including vertical body, the both ends of vertical body extend one section distance back along the horizontal direction respectively upwards and extend one section distance downwards and form the second barb.
5. The battery test crush platform of claim 4, wherein there are two of the first barb locking structure and the second barb locking structure.
6. The battery test pressing platform according to claim 1 or 5, wherein the central force applying device is a stud and a bolt; a through hole is formed in the center of the force transmission plate, and the stud penetrates through the through hole and abuts against the middle of the stud fixing plate; the bolt is connected with the stud, and the bolt is rotated to enable the force transmission plate to move upwards or downwards; the force transmission plate moves downwards to enable the spring to be pressed and generate pressing force to press the force application plate.
7. The battery test pressing platform of claim 6, wherein the distance between the force transmission plate and the force application plate is greater than the thickness of the stud fixing plate when the spring is pressed to the minimum length.
8. The battery test crush platform of claim 6, wherein the aperture of the through-hole is larger than the diameter of the stud.
9. The battery test crush platform of claim 7 or 8, wherein four of the posts are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010561208.6A CN111562177A (en) | 2020-06-18 | 2020-06-18 | Battery test extrusion platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010561208.6A CN111562177A (en) | 2020-06-18 | 2020-06-18 | Battery test extrusion platform |
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| Publication Number | Publication Date |
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| CN111562177A true CN111562177A (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010561208.6A Pending CN111562177A (en) | 2020-06-18 | 2020-06-18 | Battery test extrusion platform |
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| CN (1) | CN111562177A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340575A (en) * | 2021-04-30 | 2021-09-03 | 中国航天空气动力技术研究院 | Pressure-bearing testing mechanism |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011102707A1 (en) * | 2010-02-22 | 2011-08-25 | Oyervides Ochoa, Luis Gerardo | Hydraulic nut with alarm systems |
| US20120297898A1 (en) * | 2011-05-24 | 2012-11-29 | Hon Hai Precision Industry Co., Ltd. | Deformation testing device |
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