CN118168468A - Battery expansion detection device - Google Patents
Battery expansion detection device Download PDFInfo
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- CN118168468A CN118168468A CN202410315946.0A CN202410315946A CN118168468A CN 118168468 A CN118168468 A CN 118168468A CN 202410315946 A CN202410315946 A CN 202410315946A CN 118168468 A CN118168468 A CN 118168468A
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- 238000001514 detection method Methods 0.000 title claims abstract description 137
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 74
- 239000002184 metal Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 230000008961 swelling Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The present invention provides a battery expansion detection device, comprising: a mounting frame; a detection assembly including a second detection member; the first end of the second fixing piece is fixed on the mounting frame, the second end of the second fixing piece is wound on the mounting frame, and the second detection piece can detect the displacement of the second fixing piece close to the second end; the second fixing piece is matched with the side wall of one side of the mounting frame together to form a containing part, and the containing part is matched with the outer side wall of the battery to contain and fix the battery. By applying the technical scheme of the invention, the technical problem of low detection efficiency in the related technology can be solved.
Description
Technical Field
The invention relates to the technical field of battery expansion detection devices, in particular to a battery expansion detection device.
Background
At present, the battery has the advantages of high voltage, high specific energy, long cycle life, small self-discharge and the like, and is widely applied to portable electronic equipment, and is more and more popular in large and medium-sized electric and power equipment such as electric automobiles, energy storage power stations and the like.
But the cell also produces gas inside the cell during cycling, causing the gas production to expand. In the related art, in order to detect the swelling force and the swelling size of the battery, the battery needs to be removed from the test cabinet when the swelling size is measured, and then the swelling force detection laboratory is used for detection, so that the detection period is prolonged, and the detection efficiency of the battery is reduced.
Disclosure of Invention
The embodiment of the invention provides a battery expansion detection device which can improve the technical problem of low detection efficiency in the related technology.
An embodiment of the present invention provides a battery expansion detection device including: a mounting frame; a detection assembly including a second detection member; the first end of the second fixing piece is fixed on the mounting frame, the second end of the second fixing piece is wound on the mounting frame, and the second detection piece can detect the displacement of the second fixing piece close to the second end; the second fixing piece is matched with the side wall of one side of the mounting frame together to form a containing part, and the containing part is matched with the outer side wall of the battery to contain and fix the battery.
In an embodiment, the detection assembly further comprises a first detection member, the battery expansion detection device further comprises a first fixing member, the first fixing member and the second fixing member are arranged at intervals along the first direction, one end of the first fixing member is fixed on the mounting frame, the first detection member is provided with a connecting end and a detection end, the detection end can detect acting force on the connecting end, and the other end of the first fixing member is in driving connection with the connecting end of the first detection member so that the detection end of the first detection member detects pulling force on the first fixing member; the first fixing piece and the second fixing piece are matched with the side wall of one side of the mounting frame together to form a containing part, and the containing part is matched with the outer side wall of the battery to contain and fix the battery.
In one embodiment, the detection assembly further comprises a transmission assembly comprising: the transmission rod is rotatably arranged on the mounting frame, the rotation axis of the transmission rod is parallel to the first direction, and the other end of the first fixing piece is connected with the transmission rod in a winding way; the transmission gear is arranged on the transmission rod and synchronously rotates with the transmission rod, the transmission gear is in driving connection with the first detection piece, and the expansion force generated by the battery enables the transmission rod and the transmission gear to synchronously rotate through the first fixing piece so as to transmit the expansion force to the first detection piece.
In one embodiment, the first detecting member includes: a detection unit; and the second gear is rotatably arranged on the detection unit, the transmission gear is meshed with the second gear, and the detection unit is used for detecting acting force on the second gear.
In an embodiment, the battery expansion detection device further comprises a driving assembly, the driving assembly is arranged on the mounting frame, a transmission gear is arranged at the end portion of the transmission rod, the driving end of the driving assembly is in driving connection with the transmission gear, and the driving assembly drives the transmission rod to rotate so that the first fixing piece provides pretightening force for the battery.
In one embodiment, the drive assembly includes: a driving motor; the driving gear is arranged on the driving motor, the driving gear is meshed with the transmission gear at the end part of the transmission rod, and the driving motor drives the driving gear to rotate so as to enable the transmission rod to synchronously rotate.
In an embodiment, the detection assembly further comprises a receiving assembly, the receiving assembly is arranged on the mounting frame, the second detection piece is fixed on the receiving assembly, the second end of the second fixing piece is wound on the receiving assembly, the detection end of the second detection piece is aligned with the side wall of the second fixing piece, and when the battery expands, the second end of the second fixing piece can move relative to the detection end of the second detection piece, so that the second detection piece detects the moving distance of the second end of the second fixing piece.
In one embodiment, the receiving assembly comprises: the bearing piece is arranged on the mounting frame, and the second detection piece is arranged on the bearing piece; the connecting rod is rotatably arranged on the mounting frame, the rotation axis of the connecting rod is parallel to the first direction, the second end of the second fixing piece is wound on the connecting rod, and the top of the second fixing piece, which is close to the second end, is aligned with the detection part of the second detection piece.
In an embodiment, the first fixing piece and the second fixing piece both comprise nylon belts, and the outer wall of the second fixing piece, which is arranged at the position opposite to the detection end of the second detection piece, is provided with a metal coating.
In one embodiment, each two first detecting members and one second detecting member form one detecting unit, and the battery expansion detecting device includes a plurality of detecting units, which are sequentially arranged along the first direction.
In one embodiment, the battery expansion detecting device further comprises a protecting member, and the protecting member is covered outside the receiving assembly and the detecting unit.
In one embodiment, the shortest distance between the first fixing member and the second fixing member along the first direction is L, and L is more than or equal to 3mm and less than or equal to 4.5mm.
By adopting the technical scheme of the invention, the detection assembly is arranged on the mounting frame, the battery is accommodated and fixed by the accommodating part, and when the battery expands, the expansion size of the battery can be detected by the detection assembly, so that the detection efficiency of the battery can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a battery expansion detection device provided by an embodiment of the present invention;
Fig. 2 is another view schematically illustrating a battery expansion detection device according to an embodiment of the present invention;
Fig. 3 is a schematic view illustrating a battery expansion detecting device according to another embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. A mounting frame;
21. A first fixing member; 22. a first detecting member; 221. a detection unit; 222. a second gear;
31. A second fixing member; 32. a second detecting member;
41. A transmission rod; 42. a transmission gear;
51. A driving motor; 52. a drive gear;
61. A receiving member; 62. a connecting rod;
70. a protective member; x, first direction.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a battery expansion detection device including a mounting frame 10; a sensing assembly including a second sensing member 32; the second fixing member 31, the first end of the second fixing member 31 is fixed on the mounting frame 10, the second end of the second fixing member 31 is wound on the mounting frame 10, and the second detecting member 32 can detect the displacement of the second fixing member 31 near the second end; the second fixing member 31 cooperates with a side wall of one side of the mounting frame 10 to form a receiving portion, and the receiving portion is adapted to receive and fix the battery with respect to an outer side wall of the battery.
By adopting the technical scheme of the invention, the detection assembly is arranged on the mounting frame 10, the battery is accommodated and fixed by the accommodating part, and when the battery expands, the expansion size of the battery can be detected by the detection assembly, so that the detection efficiency of the battery can be improved.
X is the first direction and is parallel with the length direction of mounting bracket.
In the application, the first detecting member 22 can display the magnitude of the acting force on the first fixing member 21 in real time, so that the working personnel can know the running condition of the battery in real time.
Meanwhile, the first fixing piece 21 and the second fixing piece 31 are all in annular arrangement, so that the cylindrical battery can be fixed, applicability of the device is improved, of course, the first fixing piece 21 and the second fixing piece 31 can be further arranged in other shapes such as square, and the first fixing piece and the second fixing piece 31 can be specifically arranged according to the shape of the battery.
Further, the detecting assembly further comprises a first detecting member 22, the battery expansion detecting device further comprises a first fixing member 21, the first fixing member 21 and the second fixing member 31 are arranged at intervals along the first direction, one end of the first fixing member 21 is fixed on the mounting frame 10, the first detecting member 22 is provided with a connecting end and a detecting end, the detecting end can detect acting force on the connecting end, and the other end of the first fixing member 21 is in driving connection with the connecting end of the first detecting member 22, so that the detecting end of the first detecting member 22 detects pulling force on the first fixing member 21; the first fixing member 21 and the second fixing member 31 cooperate with a side wall of one side of the mounting frame 10 to form a receiving portion, and the receiving portion is adapted to receive and fix the battery with respect to an outer side wall of the battery. By means of the arrangement, the expansion force and the expansion size of the battery can be detected at the same time, and therefore the monitoring comprehensiveness of the battery can be improved.
Specifically, the detection assembly further comprises a transmission assembly, the transmission assembly comprises a transmission rod 41 and a transmission gear 42, the transmission gear 42 is rotatably arranged on the mounting frame 10, the rotation axis of the transmission rod 41 is parallel to the first direction, and the other end of the first fixing piece 21 is connected with the transmission rod 41 in a winding way; the transmission gear 42 is arranged on the transmission rod 41 and rotates synchronously with the transmission rod 41, the transmission gear 42 is in driving connection with the first detection piece 22, and the expansion force generated by the battery enables the transmission rod 41 to rotate synchronously with the transmission gear 42 through the first fixing piece 21 so as to transmit the expansion force to the first detection piece 22. The setting is so that the first detecting member 22 of being convenient for detects the expansion force of the battery in real time to can realize the real-time detection to the battery, in order to improve the detection accuracy of battery.
In the present application, the transmission assembly includes a plurality of transmission gears 42, and the plurality of transmission gears 42 are arranged at intervals along the extending direction of the transmission rod 41, so as to satisfy the functional requirements of different positions. Meanwhile, due to the advantages of high transmission efficiency, compact structure and the like of gear transmission, the loss of expansion force in the transmission process can be reduced, and meanwhile, the occupied space of the device can be reduced, so that the whole size of the device can be reduced while the detection precision can be ensured. Of course, the transmission mode can be other modes such as belt transmission, so long as the transmission requirement of the device can be met.
Further, the first detecting member 22 includes: the detection unit 221 and the second gear 222. The second gear 222 is rotatably disposed on the detecting unit 221, the transmission gear 42 is engaged with the second gear 222, and the detecting unit 221 is used for detecting the acting force on the second gear 222. So set up, when the battery produced the expansion force, can produce the effort to first mounting 21 to drive gear 42 and rotate, drive gear 42 can make second gear 222 rotate, thereby can make detecting element 221 detect the effort on the second gear 222, so can realize the real-time automated detection of expansion force, not only improve detection efficiency, also guaranteed the precision of testing result simultaneously.
In the present application, the number of teeth and the radius of the second gear 222 are the same as those of the transmission gear 42, so that the expansion force can be ensured to be 1:1, and the moment can be reduced, so that the loss in the force transmission process can be reduced as much as possible, and the detection precision can be improved as much as possible.
Specifically, the battery expansion detecting device further comprises a driving assembly, the driving assembly is arranged on the mounting frame 10, a transmission gear 42 is arranged at the end portion of the transmission rod 41, the driving end of the driving assembly is in driving connection with the transmission gear 42, and the driving assembly drives the transmission rod 41 to rotate so that the first fixing piece 21 provides pretightening force for the battery. Before the test starts, a pretightening force is output to the first fixing piece 21 through the driving assembly, so that the first fixing piece 21 is clung to the outer side wall of the battery, and then the first detecting piece 22 is zeroed to calibrate the first detecting piece 22, so that the accuracy of a subsequent detecting result can be further ensured.
In the present application, the driving component, the first detecting component 22 and the transmission component are all disposed at one side of the mounting frame 10 opposite to the mounting portion, and of course, the above structure may also be disposed at the side of the mounting frame 10, and the specific disposition should be selected according to the self structure of the device, so that the device has different overall structures to meet the use requirements in different environments.
Further, the drive assembly includes a drive motor 51 and a drive gear 52. The driving gear 52 is provided on the driving motor 51, and the driving gear 52 is engaged with the transmission gear 42 at the end of the transmission rod 41, and the driving motor 51 rotates by driving the driving gear 52 to rotate the transmission rod 41 synchronously. The driving motor 51 has the advantages of small volume, high power density and the like, and not only can ensure the pretightening force requirement of the device, but also can avoid occupying too much installation space, thereby further reducing the whole volume of the device.
Optionally, the driving end of the driving motor 51 may also be directly connected with the transmission gear 42, and the specific setting condition should be selected according to the usage environment of the device, so as to improve the applicability and application range of the device.
Specifically, the detection assembly further comprises a receiving assembly, the receiving assembly is arranged on the mounting frame 10, the second detection member 32 is fixed on the receiving assembly, the second end of the second fixing member 31 is wound on the receiving assembly, the detection end of the second detection member 32 is aligned with the side wall of the second fixing member 31, and when the battery expands, the part, close to the second end, of the second fixing member 31 can move relative to the detection part of the second detection member 32, so that the second detection member 32 detects the movement distance of the second end of the second fixing member 31. In the present application, the portion of the second fixing member 31 near the second end can move in a straight line when the battery expands, thereby facilitating the measurement of the expansion size of the battery by the second detecting member 32, and thus improving the measurement efficiency of the device.
Further, the receiving assembly includes: a receiving piece 61 provided on the mounting frame 10, and the second detecting piece 32 is provided on the receiving piece 61; the connecting rod 62 is rotatably disposed on the mounting frame 10, the rotation axis of the connecting rod 62 is parallel to the first direction, the second end of the second fixing member 31 is wound on the connecting rod 62, and the top of the second fixing member 31 near the second end is aligned with the detecting portion of the second detecting member 32. Through setting up above-mentioned structure, can guarantee that the top that second mounting 31 is close to the second end is counterpointed with the detection portion all the time when removing, so can guarantee the accuracy of testing result.
In the present application, the second detecting member 32 is specifically a displacement sensor.
Specifically, the first fixing member 21 and the second fixing member 31 each include a nylon belt, and the outer wall of the second fixing member 31 and the detection end of the second detection member 32 disposed in alignment has a metal coating. When the portion of the second fixing member 31 near the second end is moved, the laser sensor in the displacement sensor records the displacement of the second fixing member 31 by recognizing the feedback signal of the metal coating, so that the expansion size of the battery can be detected. Meanwhile, the material is low in cost and easy to process and replace, so that the production cost of the device can be reduced, and the mass production of the device can be realized.
Alternatively, in other embodiments of the present application, the materials of the first fixing member 21 and the second fixing member 31 may be metal or other materials as long as the use requirement of the device can be satisfied.
Further, each of the two first detecting members 22 and one second detecting member 32 forms one detecting unit 221, and the battery expansion detecting device includes a plurality of detecting units 221, and the plurality of detecting units 221 are sequentially arranged in the first direction. The device can wrap the outer side wall of the battery as much as possible, can comprehensively detect the expansion force and the expansion size of each part of the whole battery, and can comprehensively fix the battery to prevent the risk that the battery falls off in the detection process, so that the stability in the detection process is ensured.
Specifically, the battery expansion detecting device further includes a protector 70, and the protector 70 is provided to cover the outside of the receiving assembly and the detecting unit 221. The device can be prevented from influencing the operation of the expansion force detection assembly, the expansion size detection assembly, the transmission assembly and the driving assembly in the detection process by external sundries, so that the operation stability of the device can be further improved, and the accuracy of the battery expansion test process can be ensured as much as possible.
Further, the shortest distance between the first fixing member 21 and the second fixing member 31 in the first direction is L, and L is 3 mm.ltoreq.L.ltoreq.4.5 mm. Wherein L can be set to be 3mm, 4mm or 4.5mm, and the like, and the specific setting condition is selected according to the use environment of the device, so that the applicability of the device can be improved.
By adopting the technical scheme of the application, the expansion force detection assembly and the expansion size detection assembly are arranged on the mounting frame 10, the battery is accommodated and fixed by the accommodating part, and when the battery expands, the expansion force and the expansion size can be detected by the expansion force detection assembly and the expansion size detection assembly at the same time, so that the detection efficiency of the battery can be improved. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A battery expansion detection device, characterized in that the battery expansion detection device comprises:
A mounting frame;
a detection assembly including a second detection member;
the first end of the second fixing piece is fixed on the mounting frame, the second end of the second fixing piece is wound on the mounting frame, and the second detection piece can detect the displacement of the second fixing piece close to the second end;
The second fixing piece is matched with the side wall of one side of the mounting frame together to form a containing part, and the containing part is matched with the outer side wall of the battery to contain and fix the battery.
2. The battery expansion detection device of claim 1, wherein the detection assembly further comprises a first detection member, the battery expansion detection device further comprises a first fixing member, the first fixing member and the second fixing member are arranged at intervals along a first direction, one end of the first fixing member is fixed on the mounting frame, the first detection member is provided with a connecting end and a detection end, the detection end can detect acting force on the connecting end, and the other end of the first fixing member is in driving connection with the connecting end of the first detection member, so that the detection end of the first detection member detects pulling force on the first fixing member;
The first fixing piece and the second fixing piece are matched with the side wall of one side of the mounting frame together to form a containing part, and the containing part is matched with the outer side wall of the battery to contain and fix the battery.
3. The battery expansion detection device of claim 2, wherein the detection assembly further comprises a transmission assembly comprising:
The transmission rod is rotatably arranged on the mounting frame, the rotation axis of the transmission rod is parallel to the first direction, and the other end of the first fixing piece is connected with the transmission rod in a winding way;
The transmission gear is arranged on the transmission rod and synchronously rotates with the transmission rod, the transmission gear is in driving connection with the first detection piece, and the expansion force generated by the battery enables the transmission rod to synchronously rotate with the transmission gear through the first fixing piece so as to transmit the expansion force to the first detection piece.
4. The battery expansion detection device according to claim 3, wherein the first detection member includes:
A detection unit;
The second gear is rotatably arranged on the detection unit, the transmission gear is in meshed connection with the second gear, and the detection unit is used for detecting acting force on the second gear.
5. The battery expansion detection device according to claim 3, further comprising a driving assembly, wherein the driving assembly is arranged on the mounting frame, the transmission gear is arranged at the end part of the transmission rod, the driving end of the driving assembly is in driving connection with the transmission gear, and the driving assembly drives the transmission rod to rotate so that the first fixing piece provides pretightening force for the battery.
6. The battery expansion detection device of claim 5, wherein said drive assembly comprises:
a driving motor;
The driving gear is arranged on the driving motor, the driving gear is meshed with the transmission gear at the end part of the transmission rod, and the driving motor drives the driving gear to rotate so as to enable the transmission rod to synchronously rotate.
7. The battery expansion detection device according to claim 2, wherein the detection assembly comprises a receiving assembly, the receiving assembly is arranged on the mounting frame, the second detection member is fixed on the receiving assembly, the second end of the second fixing member is wound on the receiving assembly, the detection end of the second detection member is aligned with the side wall of the second fixing member, and when the battery expands, a portion of the second fixing member, which is close to the second end, can move relative to the detection end of the second detection member, so that the second detection member detects a moving distance of the second fixing member, which is close to the second end.
8. The battery expansion detection device of claim 7, wherein the receiving assembly comprises:
the bearing piece is arranged on the mounting frame, and the second detection piece is arranged on the bearing piece;
The connecting rod is rotatably arranged on the mounting frame, the rotation axis of the connecting rod is parallel to the first direction, the second end of the second fixing piece is wound on the connecting rod, and the top of the second fixing piece, which is close to the second end, is aligned with the detection part of the second detection piece.
9. The battery expansion detection device of claim 2, wherein the first and second fixing members each comprise nylon tape, and the outer wall of the second fixing member disposed in alignment with the detection end of the second detection member has a metal coating thereon.
10. The battery expansion detection device according to claim 7, wherein each of the two first detection pieces and one of the second detection pieces form one detection unit, the battery expansion detection device comprising a plurality of the detection units, the plurality of the detection units being arranged in order along the first direction.
11. The battery expansion detection device of claim 10, further comprising a protector member covering the receiving assembly and the exterior of the detection unit.
12. The battery expansion detection device according to claim 2, wherein a shortest distance between the first fixing member and the second fixing member in the first direction is L, and L is 3mm and 4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410315946.0A CN118168468A (en) | 2024-03-19 | 2024-03-19 | Battery expansion detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410315946.0A CN118168468A (en) | 2024-03-19 | 2024-03-19 | Battery expansion detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118168468A true CN118168468A (en) | 2024-06-11 |
Family
ID=91346660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410315946.0A Pending CN118168468A (en) | 2024-03-19 | 2024-03-19 | Battery expansion detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118168468A (en) |
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2024
- 2024-03-19 CN CN202410315946.0A patent/CN118168468A/en active Pending
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