CN214622972U - Force and displacement measuring device in expansion process of soft package battery - Google Patents
Force and displacement measuring device in expansion process of soft package battery Download PDFInfo
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- CN214622972U CN214622972U CN202120274153.0U CN202120274153U CN214622972U CN 214622972 U CN214622972 U CN 214622972U CN 202120274153 U CN202120274153 U CN 202120274153U CN 214622972 U CN214622972 U CN 214622972U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims description 16
- 230000001737 promoting effect Effects 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract description 11
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a laminate polymer battery inflation in-process power and displacement measurement device, include bottom plate, diaphragm one, diaphragm two and the roof that sets gradually along the vertical direction, treat the laminate polymer battery of volume and arrange in between diaphragm one and the diaphragm two, be equipped with pressure sensor between bottom plate and the diaphragm one, be connected with the slide bar of being connected on with the roof through the bearing frame subassembly on the diaphragm two, swing joint has on the slide bar with diaphragm two-phase parallel just is connected with displacement sensor's slide, cup jointed the elastic component that is connected with diaphragm two and slide respectively on the slide bar, be connected with on the roof and be used for making the slide follow the force application subassembly that the slide bar removed, displacement sensor's gauge head with diaphragm two-phase contact. The utility model discloses a arrange laminate polymer battery in between diaphragm one and the diaphragm two, through the size of the pressure sensor measurement battery bulging force of diaphragm one below, through the displacement sensor measurement inflation displacement volume of diaphragm two tops.
Description
Technical Field
The utility model belongs to the technical field of the battery detects, concretely relates to laminate polymer battery inflation in-process power and displacement measurement device.
Background
In the use of soft packet of lithium cell, because there is a small amount of moisture inside the battery, lead to the battery can take place the inflation after a large amount of circulations, because the interval of constituteing behind the battery package between the battery can be very little, can produce huge extrusion force when the battery takes place to expand, cause very big influence to the security of battery, when carrying out the expansibility test at present, the mode of adoption is that the battery takes place to expand after a period, carries out thickness measurement with the battery, can not carry out real-time data collection, cause the accuracy to descend.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a laminate polymer battery inflation in-process power and displacement measurement device to overcome above-mentioned technical problem.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a laminate polymer battery inflation in-process power and displacement measurement device, includes along the vertical direction set gradually and bottom plate, diaphragm one, diaphragm two and roof that are parallel to each other, and the laminate polymer battery of volume of awaiting measuring is arranged in between diaphragm one and the diaphragm two, be equipped with pressure sensor between bottom plate and the diaphragm one, be connected with through the bearing frame subassembly on the diaphragm two with the slide bar of being connected on the roof, swing joint on the slide bar have with diaphragm two-phase parallel just is connected with displacement sensor's slide, cup jointed on the slide bar respectively with diaphragm two with the elastic component that the slide is connected, be connected with on the roof with the slide is connected and is used for making the slide follow the application of force subassembly that the slide bar removed, displacement sensor's gauge head with diaphragm two-phase contact.
Further, the force application assembly comprises a threaded rod connected to the top plate through a threaded flange, and the bottom end of the threaded rod is fixedly connected to the sliding plate.
Further, the top end of the threaded rod is connected with a rotating handle.
Furthermore, a fixing component for fixing the threaded rod to prevent the threaded rod from rotating is fixedly connected to the top plate, the fixing component comprises a screw clamping block sleeved on the threaded rod and a butterfly bolt for fixing the screw clamping block on the threaded rod, and the screw clamping block is fixed to the top plate.
Furthermore, four guide rods are fixedly connected to the four corner ends of the bottom plate in a vertical direction, and the transverse plate I and the transverse plate II are movably connected to the four guide rods.
Furthermore, the pressure sensors are arranged in six and are uniformly distributed on the bottom plate, and the spherical top of each pressure sensor is in contact with the first transverse plate.
Further, the displacement sensors are arranged in two numbers and distributed on two ends of the sliding plate.
Furthermore, the slide bar is provided with at least two corresponding elastic pieces.
Has the advantages that: the utility model discloses a arrange laminate polymer battery in between diaphragm one and the diaphragm two, through the size of the pressure sensor measurement battery bulging force of diaphragm one below, through the displacement sensor measurement inflation displacement volume of diaphragm two tops.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a base plate; 2. a first transverse plate; 3. a transverse plate II; 4. a top plate; 5. a pressure sensor; 6. a slide bar; 7. a slide plate; 8. an elastic member; 9. a force application assembly; 91. a threaded flange plate; 92. a threaded rod; 93. rotating the handle; 94. a screw clamping block; 95. a butterfly bolt; 10. a displacement sensor; 11. a guide bar; 12. a pouch cell; 13. a bearing housing assembly.
Detailed Description
In the description of the invention, unless otherwise indicated, the terms
The directional or positional relationships indicated as "upper", "lower", "left", "right", "front", "rear", etc., are merely for the purpose of describing the invention and simplifying the description, and do not indicate or imply that the device or structure referred to must have a particular directional orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a laminate polymer battery inflation in-process power and displacement measurement device, include bottom plate 1, diaphragm one 2, two 3 of diaphragm and roof 4 that set gradually and be parallel to each other along the vertical direction, wherein, vertical rigid coupling has four guide arms on the four corners of bottom plate, diaphragm one and two sliding connection of diaphragm are in on four guide arms, the laminate polymer battery that awaits measuring is arranged in between diaphragm one and the diaphragm two.
The pressure sensors 5 are arranged between the bottom plate and the first transverse plate, six pressure sensors are uniformly distributed on the bottom plate, and the spherical top of each pressure sensor is in contact with the first transverse plate; at least two slide bars 6 connected to the top plate are vertically arranged on the second transverse plate, the bottoms of the slide bars are arranged on the second transverse plate through a bearing seat assembly 13, slide plates 7 parallel to the second transverse plate are movably connected to the slide bars, displacement sensors are connected to the slide plates, the two displacement sensors are arranged at two ends of the slide plates and distributed on the two ends of the slide plates, and measuring heads of the displacement sensors penetrate through the slide plates and are in contact with the second transverse plate.
And each slide bar is sleeved with an elastic piece 8 which is respectively connected with the transverse plate II and the slide plate, preferably a rectangular spring is adopted, and the number of the elastic pieces corresponds to that of the slide bars.
Wherein be connected with on the roof with the slide is connected and is used for making the slide along the force application subassembly 9 that the slide bar removed, the force application subassembly includes to be connected through screw flange 91 threaded rod 92 on the roof, screw flange connects on the roof, the threaded rod passes screw flange, and the bottom rigid coupling of threaded rod is in on the slide the top of threaded rod is connected with twist grip 93, so accessible twist grip makes reciprocating of threaded rod, and then makes the removal of slide on the slide bar.
The utility model discloses in, in order to prevent in the measurement process when battery inflation, avoid the gyration of threaded rod to measure the influence that causes the rigid coupling has the fixed subassembly of fixing in order to prevent the threaded rod gyration to the threaded rod on the roof, fixed subassembly is including connecting screw rod clamp splice 94 on the threaded rod and fix the screw rod clamp splice butterfly bolt 96 on the threaded rod, the screw rod clamp splice is fixed on the roof, when the butterfly bolt is not pressed from both sides tightly, the threaded rod reciprocates on the screw rod clamp splice, when beginning to measure, presss from both sides tightly the screw rod clamp splice through the butterfly bolt to make the threaded rod with the screw rod clamp splice is fixed together, so can effectively prevent the gyration of threaded rod.
The force application assembly may be driven by a motor, and the pressure applied to the battery may be controlled by a program, and the time for applying the pressure may be controlled.
In the above, the guide rod can ensure that the first transverse plate and the second transverse plate are parallel to the bottom plate and the top plate in the moving process, and the slide rod can ensure that the slide plate is parallel to the top plate and the second transverse plate in the moving process.
The use process comprises the following steps: wave the twist grip and make the rectangle spring be in free state, make and have sufficient clearance between diaphragm one and the diaphragm two, place laminate polymer battery between diaphragm one and diaphragm two, wave the twist grip, make the slide down move, and compress tightly laminate polymer battery under the effect of rectangle spring, make the screw rod clamp splice fix on the threaded rod through the butterfly bolt, through the registration of reading pressure sensor in order to confirm the size of exerting force to laminate polymer battery when beginning, read displacement sensor's registration simultaneously in order to confirm the thickness of laminate polymer battery that begins, in laminate polymer battery inflation process, the accessible reads the displacement volume and the magnitude of expansive force of pressure sensor and displacement sensor's registration record battery in the inflation process.
In order to make the purpose, technical solution and advantages of the present invention more concise and clear, the present invention is described with the above embodiments, which are only used for describing the present invention, and can not be understood as a limitation to the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The device for measuring the force and the displacement in the expansion process of the soft package battery is characterized by comprising a bottom plate (1), a first transverse plate (2), a second transverse plate (3) and a top plate (4) which are sequentially arranged in the vertical direction and are parallel to each other, wherein the soft package battery (12) to be measured is arranged between the first transverse plate and the second transverse plate, a pressure sensor (5) is arranged between the bottom plate and the first transverse plate, the second transverse plate is connected with a sliding rod (6) connected with the top plate through a bearing seat assembly (13), the sliding rod is movably connected with a sliding plate (7) which is parallel to the second transverse plate and is connected with a displacement sensor (10), the sliding rod is sleeved with an elastic piece (8) respectively connected with the second transverse plate and the sliding plate, the top plate is connected with a force application assembly (9) which is connected with the sliding plate and is used for promoting the sliding plate to move along the sliding rod, and a measuring head of the displacement sensor is contacted with the transverse plate.
2. The device for measuring the force and the displacement of the soft package battery in the expansion process according to claim 1, wherein the force application assembly comprises a threaded rod (92) connected to the top plate through a threaded flange (91), and the bottom end of the threaded rod is fixedly connected to the sliding plate.
3. The device for measuring the force and the displacement in the expansion process of the soft package battery according to claim 2, wherein the top end of the threaded rod is connected with a rotating handle (93).
4. The device for measuring the force and the displacement of the soft package battery in the expansion process according to claim 2, wherein a fixing component for fixing the threaded rod to prevent the threaded rod from rotating is fixedly connected to the top plate, the fixing component comprises a screw clamping block (94) sleeved on the threaded rod and a butterfly bolt (95) for fixing the screw clamping block on the threaded rod, and the screw clamping block is fixed on the top plate.
5. The device for measuring the force and the displacement of the soft package battery in the expansion process according to claim 1, wherein four guide rods (11) are vertically and fixedly connected to four corners of the bottom plate, and the first transverse plate and the second transverse plate are movably connected to the four guide rods.
6. The device for measuring the force and the displacement in the expansion process of the soft package battery according to claim 1, wherein six pressure sensors are uniformly distributed on the bottom plate, and the spherical top of each pressure sensor is in contact with the first transverse plate.
7. The device for measuring the force and the displacement in the expansion process of the soft package battery according to claim 1, wherein two displacement sensors are arranged and distributed on two ends of the sliding plate.
8. The device for measuring the force and the displacement in the expansion process of the soft package battery according to claim 1, wherein the sliding rod is provided with at least two corresponding elastic pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120274153.0U CN214622972U (en) | 2021-01-29 | 2021-01-29 | Force and displacement measuring device in expansion process of soft package battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120274153.0U CN214622972U (en) | 2021-01-29 | 2021-01-29 | Force and displacement measuring device in expansion process of soft package battery |
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| Publication Number | Publication Date |
|---|---|
| CN214622972U true CN214622972U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120274153.0U Active CN214622972U (en) | 2021-01-29 | 2021-01-29 | Force and displacement measuring device in expansion process of soft package battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777994A (en) * | 2022-05-16 | 2022-07-22 | 傲普(上海)新能源有限公司 | A bulging force test fixture for lithium cell |
-
2021
- 2021-01-29 CN CN202120274153.0U patent/CN214622972U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777994A (en) * | 2022-05-16 | 2022-07-22 | 傲普(上海)新能源有限公司 | A bulging force test fixture for lithium cell |
| CN114777994B (en) * | 2022-05-16 | 2023-08-22 | 傲普(上海)新能源有限公司 | Expansion force testing tool for lithium battery |
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