CN212871569U - Expansive force distribution testing device for battery module internal battery core - Google Patents
Expansive force distribution testing device for battery module internal battery core Download PDFInfo
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- CN212871569U CN212871569U CN202022069681.0U CN202022069681U CN212871569U CN 212871569 U CN212871569 U CN 212871569U CN 202022069681 U CN202022069681 U CN 202022069681U CN 212871569 U CN212871569 U CN 212871569U
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000009826 distribution Methods 0.000 title claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 72
- 238000001125 extrusion Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses an expansive force distribution testing arrangement of inside electric core of battery module, including the anchor clamps subassembly, the subassembly and the test subassembly of exerting pressure, the anchor clamps subassembly includes the bottom plate, first end plate, the second end plate, first pinch-off blades and second pinch-off blades, first end plate and second end plate separate the setting on the bottom plate, first pinch-off blades and second pinch-off blades all slide the setting between first end plate and second end plate, and have the setting of placing the battery module between first pinch-off blades and the second pinch-off blades, have two electric cores in the battery module at least. The pressing assembly is located on one side, away from the placing position, of the first end plate or the second end plate and connected with the first clamping plate or the second clamping plate. The testing assembly comprises a first pressure sensor, and the first pressure sensors are arranged between the first clamping plate and the battery cell, between two adjacent battery cells and between the battery cell and the second clamping plate. The expansion force distribution condition of the battery core in the battery module can be accurately reflected, and reference is provided for the design of the battery module.
Description
Technical Field
The utility model relates to a testing arrangement technical field especially relates to an expansive force distribution testing arrangement of inside electric core of battery module.
Background
The expansive force distribution of the battery core inside the module has important influence on the performance of the battery module. At present, the research on the expansion force distribution of the battery module internal battery core is still in a theoretical and simulation stage, and because the friction between the battery core and the clamp and the extrusion deformation between the battery cores are generally ignored by a theoretical and simulation method, the obtained theoretical data often cannot accurately reflect the expansion force distribution of the battery module internal battery core. At present, the equipment of the expansive force distribution test of the battery module internal cell is lacked in the market, and the distribution of the battery module internal cell expansive force is not beneficial to research.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: the utility model provides an expansive force of inside electric core of battery module distributes testing arrangement, its expansive force that can accurately reflect out the inside electric core of battery module distributes the condition, provides the reference for the design of battery module.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an expansibility distribution testing arrangement of inside electric core of battery module, includes:
the clamp assembly comprises a bottom plate, a first end plate, a second end plate, a first clamping plate and a second clamping plate, wherein the first end plate and the second end plate are arranged on the bottom plate at intervals, the first clamping plate and the second clamping plate are both arranged between the first end plate and the second end plate in a sliding mode, a placing position for placing a battery module is arranged between the first clamping plate and the second clamping plate, and at least two battery cells which are arranged in parallel are arranged in the battery module;
the pressing assembly is positioned on one side, away from the placing position, of the first end plate or the second end plate, is connected with the first clamping plate or the second clamping plate and is used for applying set extrusion force to the battery module;
the test assembly comprises a plurality of first pressure sensors, the first pressure sensors are arranged between the first clamping plates and the electric cores, between the adjacent two electric cores and between the electric cores and the second clamping plates, and each first pressure sensor is connected with a first pressure sensor display.
As an optimal technical scheme of the device for testing the expansion force distribution of the battery core inside the battery module, the pressing assembly is arranged on one side of the second end plate, which is far away from the placing position, and comprises a pressing plate, a second pressure sensor and a pressing screw rod, the pressing plate is slidably arranged between the second end plate and the second clamping plate, the second pressure sensor is arranged on one side of the pressing plate, which is close to the second clamping plate, the second pressure sensor is connected with a second pressure sensor display, the second end plate is provided with an adjusting threaded hole in a penetrating manner, the pressing screw rod is screwed in the adjusting threaded hole and extends towards the pressing plate, and one end of the pressing screw rod, which is close to the second end plate, is rotatably connected with the pressing plate.
As a preferable technical solution of the device for testing the expansion force distribution of the battery core inside the battery module, the device further includes a guide rod fixedly connected to the first end plate and the second end plate, the guide rod is located between the first end plate and the second end plate and sequentially passes through the first clamping plate, the second clamping plate and the pressing plate, and the first clamping plate, the second clamping plate and the pressing plate can slide relative to the guide rod.
As a preferable technical scheme of the device for testing the expansion force distribution of the battery core in the battery module, the first clamping plate, the second clamping plate and the pressing plate are all connected with the guide rod through the sliding bearing.
As a preferable technical solution of the device for testing the expansion force distribution of the battery core inside the battery module, an elastic component is arranged between the first end plate and the first clamping plate and positioned on the guide rod.
As an optimal technical scheme of the device for testing the expansion force distribution of the battery core inside the battery module, the guide rod is positioned between the second clamping plate and the pressing plate and is provided with a locking bearing, the locking bearing comprises a bearing body sleeved on the periphery of the guide rod, the bearing body is provided with a locking threaded hole in a penetrating manner, a locking screw rod is screwed in the locking threaded hole, and the locking screw rod is screwed at one end of the locking threaded hole and selectively abutted against the guide rod.
As an optimal technical scheme of the device for testing the expansion force distribution of the battery core in the battery module, the pressure applying screw rod is connected with the pressure applying plate through a rolling bearing.
As an optimal technical scheme of the device for testing the expansion force distribution of the battery core in the battery module, one end, far away from the pressure applying plate, of the pressure applying screw rod is provided with an operating handle.
As a preferable technical solution of the device for testing the expansion force distribution of the battery core inside the battery module, the first pressure sensor close to the first end plate is connected to the first clamping plate;
and/or the presence of a gas in the gas,
the first pressure sensor adjacent the second end plate is coupled to the second clamping plate.
As an optimal technical scheme of the device for testing the expansion force distribution of the battery core in the battery module, a smooth layer is arranged on the upper surface of the bottom plate.
The utility model has the advantages that: control the subassembly of exerting pressure and exert the extrusion force to the battery module, make each electric core and the first pressure sensor of placing a position inside all extruded. Through between first clamp plate and electric core, all set up first pressure sensor between two adjacent electric cores and between electric core and the second clamp plate, can detect the bulging force that every electric core received respectively to read the pressure value that each first pressure sensor corresponds from each first pressure sensor display appearance, and then obtain the bulging force distribution condition of the inside electric core of battery module, provide the reference for the design of battery module.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic perspective view of an expansion force distribution testing device of an electric core in a battery module according to an embodiment.
In the figure:
1. a clamp assembly; 101. a first end plate; 102. a second end plate; 103. a first clamping plate; 104. a second clamping plate; 105. a base plate; 106. a through hole; 2. testing the component; 201. a first pressure sensor; 3. a pressure applying assembly; 301. a pressure applying screw rod; 302. a control handle; 303. a second pressure sensor; 304. pressing a plate; 4. a battery module; 401. an electric core; 5. a guide bar; 6. a pressure spring; 7. locking the bearing; 701. a bearing body; 702. a screw adjusting part; 8. a sliding bearing.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, the utility model provides an expansion force distribution testing arrangement of inside electric core of battery module, including anchor clamps subassembly 1, the subassembly 3 and the test component 2 of exerting pressure. The clamp assembly 1 includes a base plate 105, a first end plate 101, a second end plate 102, a first clamping plate 103, and a second clamping plate 104, wherein the first end plate 101 and the second end plate 102 are spaced apart from each other on the base plate 105. The first clamping plate 103 and the second clamping plate 104 are both slidably disposed between the first end plate 101 and the second end plate 102, a placing position for placing the battery module 4 is provided between the first clamping plate 103 and the second clamping plate 104, and at least two electric cores 401 arranged in parallel are provided in the battery module 4. Specifically, at least two cells 401 are arranged in parallel along the length direction of the bottom plate 105. The pressing assembly 3 is located on a side of the first end plate 101 or the second end plate 102 away from the placing position, and the pressing assembly 3 is connected with the first clamping plate 103 or the second clamping plate 104 and is used for applying a set pressing force to the battery module 4. The testing assembly 2 comprises a plurality of first pressure sensors 201, the first pressure sensors 201 are arranged between the first clamping plate 103 and the battery cell 401, between two adjacent battery cells 401 and between the battery cells 401 and the second clamping plate 104, and each first pressure sensor 201 is connected with a first pressure sensor display (not shown in the figure).
The first clamping plate 103 and the second clamping plate 104 are arranged on the base plate 105 in a sliding mode, the first clamping plate 103 and the second clamping plate 104 can slide respectively, the distance between the first clamping plate 103 and the second clamping plate 104 is changed, the battery module testing device is suitable for battery modules 4 with different lengths, and flexibility of the testing device is improved. The bottom plate 105 provides a supporting force for the battery module 4, applies a set pressing force to the battery module 4 through the pressing assembly 3, and clamps both sides of the battery module 4 by the first clamping plate 103 and the second clamping plate 104. The pressing assembly 3 applies pressing force to the battery module 4, so that each battery cell 401 and the first pressure sensor 201 inside the placing position are all pressed. Through between first clamping plate 103 and electric core 401, all set up first pressure sensor 201 between two adjacent electric cores 401 and between electric core 401 and the second clamping plate 104, can detect the bulging force that every electric core 401 received respectively to read the pressure value that each first pressure sensor 201 corresponds from each first pressure sensor display appearance, and then obtain the inside electric core 401's of battery module 4 bulging force cloth condition, provide the reference for battery module 4's design.
In this embodiment, the pressing member 3 is disposed on a side of the second end plate 102 away from the placement position. Specifically, the pressing assembly 3 includes a pressing plate 304, a second pressure sensor 303 and a pressing screw rod 301, the pressing plate 304 is slidably disposed between the second end plate 102 and the second clamping plate 104, the second pressure sensor 303 is disposed on one side of the pressing plate 304 close to the second clamping plate 104, the second pressure sensor 303 is connected to a second pressure sensor display, the second end plate 102 is provided with an adjusting threaded hole in a penetrating manner, the pressing screw rod 301 is screwed in the adjusting threaded hole and extends towards the pressing plate 304, and one end of the pressing screw rod 301 close to the second end plate 102 is rotatably connected to the pressing plate 304. Through controlling the pressure applying screw 301 to drive the pressure applying plate 304 to apply extrusion force to the battery module 4, each electric core 401 and the first pressure sensor 201 inside the placing position are all extruded, and the second pressure sensor 303 is used for detecting the extrusion pressure value applied by the pressure applying plate 304 to the clamped battery module 4.
The testing device further comprises a guide rod 5 fixedly connected with the first end plate 101 and the second end plate 102 respectively, the guide rod 5 is located between the first end plate 101 and the second end plate 102 and sequentially penetrates through the first clamping plate 103, the second clamping plate 104 and the pressing plate 304, and the first clamping plate 103, the second clamping plate 104 and the pressing plate 304 can slide relative to the guide rod 5. The guide bar 5 is used to guide the sliding of the first clamping plate 103, the second clamping plate 104, and the pressing plate 304, and prevent the sliding direction of the first clamping plate 103, the second clamping plate 104, and the pressing plate 304 from being shifted. In this embodiment, the two end portions of the guide bar 5 are fixedly connected to the first end plate 101 and the second end plate 102, respectively.
Preferably, the first clamping plate 103, the second clamping plate 104 and the pressure plate 304 are all connected with the guide rod 5 by means of slide bearings 8. The sliding bearing 8 can reduce the friction between the first clamping plate 103 and the guide rod 5, between the second clamping plate 104 and the guide rod 5, and between the pressing plate 304 and the guide rod 5, and reduce the acting force for driving the first clamping plate 103, the second clamping plate 104, and the pressing plate 304 to slide.
In this embodiment, four guide rods 5 are provided, and the four guide rods 5 are combined two by two to form a group of guide rods, and two groups of guide rods are distributed at intervals along the width direction of the bottom plate 105. The first clamping plate 103, the second clamping plate 104 and the pressing plate 304 are kept to slide smoothly by providing four guide rods 5.
In one embodiment, the guide rod 5 is provided with an elastic member between the first end plate 101 and the first clamping plate 103. Specifically, the elastic component is a pressure spring 6, and the pressure spring 6 is sleeved on the periphery of the guide rod 5. The elastic member may provide a buffer function to the first end plate 101, preventing the first end plate 101 from being crushed.
The guide rod 5 is provided with a locking bearing 7 between the second clamping plate 104 and the pressing plate 304, the locking bearing 7 comprises a bearing body 701 sleeved on the periphery of the guide rod 5, the bearing body 701 penetrates through a locking threaded hole, a locking screw rod is screwed in the locking threaded hole, and the locking screw rod is screwed at one end of the locking threaded hole and selectively abutted against the guide rod 5. One end of the locking screw rod is tightly abutted against the guide rod 5, so that the sliding of the locking bearing 7 on the guide rod 5 can be limited, and the locking bearing 7 is locked on the guide rod 5. Since the locking bearing 7 is located between the second clamping plate 104 and the pressing plate 304, when the bearing body 701 is locked on the guide rod 5 in the test process, the second clamping plate 104 is prevented from moving towards the second end plate 102 and the pressing plate 304 is prevented from moving towards the first end plate 101, so that the sliding of the pressing screw rod 301 or the pressing plate 304 caused by misoperation is effectively prevented; when the pretightening force of the battery module 4 is adjusted, the locking screw rod can be screwed out of the bearing body 701, the locking effect of the bearing body 701 on the guide rod 5 is released, and the second clamping plate 104 and the pressure locking plate can slide on the guide rod 5.
In order to facilitate the operation of the locking screw, a screw adjusting portion 702 is disposed at an end of the locking screw away from the bearing body 701.
Specifically, the pressing screw 301 is connected to the pressing plate 304 via a rolling bearing (not shown in the figure). When the pressing screw rod 301 is rotated, the pressing screw rod 301 rotates in the rolling bearing relative to the pressing plate 304, and meanwhile, the pressing screw rod 301 can drive the pressing plate 304 to slide along the length direction of the guide rod 5.
In order to control the pressing screw rod 301 conveniently, an operation handle 302 is arranged at one end of the pressing screw rod 301, which is far away from the pressing plate 304, and the pressing screw rod 301 can be rotated by holding the operation handle 302, so that the difficulty of rotating the pressing screw rod 301 is reduced.
In one embodiment, the first pressure sensor 201 adjacent to the first end plate 101 is connected to the first clamping plate 103, and the first pressure sensor 201 adjacent to the second end plate 102 is connected to the second clamping plate 104, so that after the battery module 4 is detached from the testing device, the first pressure sensor 201 adjacent to the first end plate 101 and the first pressure sensor 201 adjacent to the second end plate 102 can be retained on the first clamping plate 103 and the second clamping plate 104, the number of the first pressure sensors 201 removed from the placement position along with the battery module 4 is reduced, and the difficulty in arranging the first pressure sensors 201 is reduced.
Preferably, the first pressure sensor 201 near the first end plate 101 is detachably connected to the first clamping plate 103 through a connecting member or a double-sided tape, the first pressure sensor 201 near the second end plate 102 is detachably connected to the second clamping plate 104 through a connecting member or a double-sided tape, and the first pressure sensor 201 can be detached from the first clamping plate 103 or the second clamping plate 104, so as to facilitate the maintenance of the first pressure sensor 201.
Of course, in other implementations, the first pressure sensor may also be placed directly between the first clamping plate 103 and the battery cell 401 or between the second clamping plate 104 and the battery cell 401.
In this embodiment, the bottom plate 105 has a through hole 106. The through holes 106 reduce the weight of the base plate 105 and are beneficial to saving the manufacturing material of the testing device under the condition of ensuring the structural strength of the base plate 105.
In this embodiment, the through hole 106 is a kidney-shaped hole extending in the longitudinal direction of the base plate 105. Specifically, two kidney holes are provided. In other embodiments, the shape and number of the kidney-shaped holes can be designed flexibly.
In one embodiment, the upper surface of the bottom plate 105 is provided with a smooth layer, so that the sliding friction between the battery module 4 and the bottom plate 105 can be reduced through the smooth layer, the battery module 4 is prevented from being damaged, and the improvement of the test precision is facilitated.
During the specific use, install each electricity core 401 and first pressure sensor 201 in proper order as required earlier, be connected each first pressure sensor 201 with the first pressure sensor display appearance that corresponds respectively and be connected second pressure sensor 303 and second pressure sensor display appearance, then do each first pressure sensor 201 and second pressure sensor 303 and return to zero the processing, rotate control handle 302 and exert pressure board 304 with the drive and exert pressure different extrusion forces to battery module 4, all static a period after exerting the extrusion force to battery module 4 at every turn, treat that each electricity core 401 is by the abundant compression after and make the extrusion force that each electricity core 401 received stable back, again to the data that read each first pressure sensor display appearance, be favorable to improving the accuracy of first pressure sensor display appearance reading.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides an expansibility distribution testing arrangement of inside electric core of battery module which characterized in that includes:
the clamp assembly comprises a bottom plate, a first end plate, a second end plate, a first clamping plate and a second clamping plate, wherein the first end plate and the second end plate are arranged on the bottom plate at intervals, the first clamping plate and the second clamping plate are both arranged between the first end plate and the second end plate in a sliding mode, a placing position for placing a battery module is arranged between the first clamping plate and the second clamping plate, and at least two battery cells which are arranged in parallel are arranged in the battery module;
the pressing assembly is positioned on one side, away from the placing position, of the first end plate or the second end plate, is connected with the first clamping plate or the second clamping plate and is used for applying set extrusion force to the battery module;
the test assembly comprises a plurality of first pressure sensors, the first pressure sensors are arranged between the first clamping plates and the electric cores, between the adjacent two electric cores and between the electric cores and the second clamping plates, and each first pressure sensor is connected with a first pressure sensor display.
2. The device for testing distribution of expansion force of the battery cells in the battery module according to claim 1, wherein the pressing assembly is disposed on a side of the second end plate away from the placement position, the pressing assembly includes a pressing plate, a second pressure sensor and a pressing screw rod, the pressing plate is slidably disposed between the second end plate and the second clamping plate, the second pressure sensor is disposed on a side of the pressing plate close to the second clamping plate, the second pressure sensor is connected with a second pressure sensor display, an adjusting threaded hole is formed in the second end plate in a penetrating manner, the pressing screw rod is screwed into the adjusting threaded hole and extends toward the pressing plate, and one end of the pressing screw rod close to the second end plate is rotatably connected with the pressing plate.
3. The device for testing distribution of expansion force of the battery cells in the battery module according to claim 2, further comprising a guide rod fixedly connected to the first end plate and the second end plate, wherein the guide rod sequentially penetrates through the first clamping plate, the second clamping plate and the pressing plate at a position between the first end plate and the second end plate, and the first clamping plate, the second clamping plate and the pressing plate can slide relative to the guide rod.
4. The device for testing the expansion force distribution of the battery cells in the battery module according to claim 3, wherein the first clamping plate, the second clamping plate and the pressing plate are connected with the guide rod through sliding bearings.
5. The device for testing the expansion force distribution of the battery cells in the battery module according to claim 3, wherein an elastic component is arranged between the first end plate and the first clamping plate and positioned on the guide rod.
6. The device for testing the expansion force distribution of the battery cell inside the battery module according to claim 3, wherein the guide rod is disposed between the second clamping plate and the pressing plate and provided with a locking bearing, the locking bearing comprises a bearing body sleeved on the periphery of the guide rod, the bearing body is provided with a locking threaded hole in a penetrating manner, a locking screw is screwed in the locking threaded hole, and the locking screw is screwed at one end of the locking threaded hole and selectively abuts against the guide rod.
7. The device for testing the distribution of the expansion force of the battery cells in the battery module according to claim 2, wherein the pressure applying screw rod is connected with the pressure applying plate through a rolling bearing.
8. The device for testing the distribution of the expansion force of the battery cells in the battery module according to claim 2, wherein a control handle is arranged at one end of the pressure applying screw rod, which is far away from the pressure applying plate.
9. The device for testing the expansion force distribution of the battery cells inside the battery module according to claim 1, wherein the first pressure sensor near the first end plate is connected to the first clamping plate;
and/or the presence of a gas in the gas,
the first pressure sensor adjacent the second end plate is coupled to the second clamping plate.
10. The device for testing the expansion force distribution of the battery cells in the battery module according to any one of claims 1 to 9, wherein a smooth layer is disposed on the upper surface of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022069681.0U CN212871569U (en) | 2020-09-18 | 2020-09-18 | Expansive force distribution testing device for battery module internal battery core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022069681.0U CN212871569U (en) | 2020-09-18 | 2020-09-18 | Expansive force distribution testing device for battery module internal battery core |
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| Publication Number | Publication Date |
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| CN212871569U true CN212871569U (en) | 2021-04-02 |
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| CN202022069681.0U Active CN212871569U (en) | 2020-09-18 | 2020-09-18 | Expansive force distribution testing device for battery module internal battery core |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062728A (en) * | 2021-11-17 | 2022-02-18 | 宁德余库五金制品有限公司 | Pressure clamp clamping device and working method thereof |
| CN114440754A (en) * | 2021-08-23 | 2022-05-06 | 北京卫蓝新能源科技有限公司 | Device and method for testing swelling capacity of multiple batteries under different pressures |
| CN114544041A (en) * | 2021-08-18 | 2022-05-27 | 万向一二三股份公司 | Lithium ion battery expansion pressure displacement detection device and detection method |
| CN117129131A (en) * | 2023-10-26 | 2023-11-28 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
-
2020
- 2020-09-18 CN CN202022069681.0U patent/CN212871569U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544041A (en) * | 2021-08-18 | 2022-05-27 | 万向一二三股份公司 | Lithium ion battery expansion pressure displacement detection device and detection method |
| CN114440754A (en) * | 2021-08-23 | 2022-05-06 | 北京卫蓝新能源科技有限公司 | Device and method for testing swelling capacity of multiple batteries under different pressures |
| CN114440754B (en) * | 2021-08-23 | 2024-04-05 | 北京卫蓝新能源科技有限公司 | Device and method capable of testing expansion amounts of multiple batteries under different pressures |
| CN114062728A (en) * | 2021-11-17 | 2022-02-18 | 宁德余库五金制品有限公司 | Pressure clamp clamping device and working method thereof |
| CN114062728B (en) * | 2021-11-17 | 2023-10-31 | 宁德余库五金制品有限公司 | Clamping device of pressure clamp and working method thereof |
| CN117129131A (en) * | 2023-10-26 | 2023-11-28 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
| CN117129131B (en) * | 2023-10-26 | 2024-03-22 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
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