CN217844989U - High accuracy heap electricity core inflation displacement testing arrangement - Google Patents
High accuracy heap electricity core inflation displacement testing arrangement Download PDFInfo
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- CN217844989U CN217844989U CN202221354771.7U CN202221354771U CN217844989U CN 217844989 U CN217844989 U CN 217844989U CN 202221354771 U CN202221354771 U CN 202221354771U CN 217844989 U CN217844989 U CN 217844989U
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 title claims description 10
- 238000009434 installation Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000010261 cell growth Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a high accuracy heap electric core inflation displacement testing arrangement, including the installation base, the equal fixedly connected with supporting leg in four corners of installation base bottom, the first mounting panel of left side fixedly connected with at installation base top, the right side fixedly connected with second mounting panel at installation base top, be provided with hoist mechanism between second mounting panel and the installation base, fixedly connected with guide bar between first mounting panel and the second mounting panel, the surface slip of guide bar is connected with the fly leaf, the first spring of left side fixedly connected with of fly leaf, the utility model relates to an electric core tests technical field. This high accuracy heap electric core inflation displacement testing arrangement, through adjustment mechanism's setting, in electric core testing process, during the electric core inflation, adjustment mechanism takes place to slide along the guide bar, and the elasticity of first spring is unchangeable, and the spring deformation that has significantly reduced is to the influence of test result, effectively reduces the error of test.
Description
Technical Field
The utility model relates to an electricity core test technical field specifically is a high accuracy heap electricity core inflation displacement testing arrangement.
Background
The lithium ion battery is widely applied to the fields of portable equipment, electric automobiles and the like as a secondary battery with high specific capacity, long cycle life and environmental friendliness. In recent years, with the rapid development of electric vehicles, higher demands have been made on lithium ion batteries. At present, the expansion force of the interior of a lithium ion battery is generally high during a cycle test, and the lithium ion battery has expansion displacement in a certain thickness direction. Especially, when the aluminum shell of the power battery cell is developed and applied, the deformation of the aluminum shell under different air pressures and the plastic residual deformation of the aluminum shell after pressure relief need to be mastered so as to estimate the possible bulging problem in the use process of the battery cell.
According to patent grant publication No. CN 208998694U a lithium ion battery inflation displacement testing arrangement, initial state promotes the fly leaf and contacts electric core through the spring of certain spring constant, and after the electric core testing process inflation, the fly leaf is promoted, and the cooperation of many guide posts guide pin bushing ensures that the fly leaf parallel slip, and the scale setting on the guide post directly reads electric core inflation thickness at different moments, and can solve the average through the numerical value of reading on a plurality of guide posts, further reduces the error influence that the slope of fly leaf brought. Above-mentioned utility model in along with the increase of the inflation deformation volume of electric core, the deformation volume of the compression of spring is big more, and the deformation volume of spring is big more reverse to the effort of measuring electric core big more, and the influence to the measuring result along with the increase of spring deformation is big more promptly, and measured error is big more.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a high accuracy heap electricity core inflation displacement testing arrangement has solved above-mentioned utility model discloses in along with the increase of the inflation deformation volume of electricity core, the deformation volume of the compression of spring is big more, and the deformation volume of spring is big more and the reaction force to measuring electric core is big more in reverse, and is big more along with the increase of spring deformation to measuring result's influence promptly, the big problem of measuring error.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high accuracy heap electricity core inflation displacement testing arrangement, includes the installation base, the equal fixedly connected with supporting leg in four corners of installation base bottom, the first mounting panel of left side fixedly connected with at installation base top, the right side fixedly connected with second mounting panel at installation base top, be provided with hoist mechanism between second mounting panel and the installation base, fixedly connected with guide bar between first mounting panel and the second mounting panel, the surface sliding connection of guide bar has the fly leaf, the left side of fly leaf just is located the fixed surface of guide bar and is connected with first spring, the one end that the fly leaf was kept away from to first spring just is located the surface of guide bar and is provided with adjustment mechanism, adjustment mechanism includes the install bin, the inner wall of install bin and the surface sliding connection of guide bar, sliding connection has the clutch blocks between the both sides of install bin inner wall, the bottom of clutch blocks contacts with the surface of guide bar, the top fixedly connected with second spring of friction blocks, the one end fixedly connected with the sliding plate that the clutch blocks was kept away from to the second spring, the top of sliding plate rotates and is connected with first threaded rod, the top of first threaded rod runs through the install bin and extends to the outside of install bin.
Preferably, a guide rail is fixedly connected between two sides of the inner wall of the installation box, and the friction block and the sliding plate are both in sliding connection with the installation box through the guide rail.
Preferably, the top of install bin runs through and is provided with first threaded sleeve, first threaded rod run through the install bin through first threaded sleeve and with first threaded sleeve threaded connection, the one end fixedly connected with adjusting hand wheel that first threaded rod is located the install bin outside.
Preferably, hoist mechanism is including seting up the installation cavity in the second mounting panel, it is connected with the second threaded rod to rotate between the top of installation intracavity wall and the bottom, second threaded rod surface threaded connection has second threaded sleeve.
Preferably, the surface of the second threaded sleeve, which is close to one side of the first mounting plate, is fixedly connected with a lifting plate through a connecting block.
Preferably, the bottom end of the second threaded rod penetrates through the mounting base and extends to the outside of the mounting base, a second bevel gear is fixedly connected to the bottom end of the second threaded rod, an adjusting rod is rotatably connected to the bottom of the mounting base through a supporting frame, and a first bevel gear meshed with the second bevel gear is fixedly connected to the left end of the adjusting rod.
Advantageous effects
The utility model provides a high accuracy heap electricity core inflation displacement testing arrangement. Compared with the prior art, the method has the following beneficial effects:
(1) This high accuracy heap electric core inflation displacement testing arrangement, first mounting panel of left side fixedly connected with through the installation base top, the right side fixedly connected with second mounting panel at installation base top, be provided with hoist mechanism between second mounting panel and the installation base, fixedly connected with guide bar between first mounting panel and the second mounting panel, the sliding surface of guide bar is connected with the fly leaf, the left side of fly leaf and the fixed surface that is located the guide bar are connected with first spring, the one end that the fly leaf was kept away from to first spring just is located the surface of guide bar and is provided with adjustment mechanism, adjustment mechanism includes the install bin, the inner wall of install bin and the sliding surface of guide bar are connected, sliding connection has the clutch blocks between the both sides of install bin inner wall, the bottom of clutch blocks contacts with the surface of guide bar, the top fixedly connected with second spring of clutch blocks, the one end fixedly connected with sliding plate of clutch blocks is kept away from to the second spring, the top rotation of sliding plate is connected with first threaded rod, the top of first threaded rod runs through the install bin and extends to the outside of install bin, through setting of adjustment mechanism, in electric core test procedure, when electric core expands, adjustment mechanism takes place, the electric core, the elasticity of first spring does not change, the effective test error that the test result that the spring that has influenced greatly reduced.
(2) This high accuracy heap electricity core inflation displacement testing arrangement, including seting up the installation cavity in the second mounting panel through hoist mechanism, it is connected with the second threaded rod to rotate between the top of installation intracavity wall and the bottom, second threaded rod surface thread is connected with second threaded sleeve, the surface that second threaded sleeve is close to first mounting panel one side passes through connecting block fixedly connected with lifting plate, the bottom of second threaded rod runs through the installation base and extends to the outside of installation base, the bottom fixedly connected with second bevel gear of second threaded rod, the bottom of installation base is connected with the regulation pole through the support frame rotation, the left end fixedly connected with of adjusting the pole and the first bevel gear of second bevel gear engaged with, set up through hoist mechanism, be convenient for take out electric core from testing arrangement after the test, and is simple in operation, and convenient and practical.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
fig. 2 is a right sectional view of the adjusting mechanism of the present invention;
fig. 3 is a perspective view of the adjusting mechanism of the present invention;
fig. 4 is a perspective view of the lifting plate of the present invention.
In the figure: the lifting mechanism comprises a mounting base 1, a supporting leg 2, a first mounting plate 3, a second mounting plate 4, a lifting mechanism 5, a mounting cavity 51, a second threaded rod 52, a second threaded sleeve 53, a lifting plate 54, a second bevel gear 55, a regulating rod 56, a first bevel gear 57, a regulating mechanism 6, a mounting box 61, a friction block 62, a second spring 63, a sliding plate 64, a first threaded rod 65, a guide rail 66, a first threaded sleeve 67, a regulating hand wheel 68, a guide rod 7, a movable plate 8 and a first spring 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-precision stacked battery cell expansion displacement testing device comprises an installation base 1, supporting legs 2 are fixedly connected to four corners of the bottom of the installation base 1, a first installation plate 3 is fixedly connected to the left side of the top of the installation base 1, a second installation plate 4 is fixedly connected to the right side of the top of the installation base 1, a lifting mechanism 5 is arranged between the second installation plate 4 and the installation base 1, the lifting mechanism 5 comprises an installation cavity 51 arranged in the second installation plate 4, a second threaded rod 52 is rotatably connected between the top and the bottom of the inner wall of the installation cavity 51, a second threaded sleeve 53 is in threaded connection with the surface of the second threaded rod 52, a lifting plate 54 is fixedly connected to the surface of the second threaded sleeve 53, which is close to one side of the first installation plate 3, through a connecting block, the bottom end of the second threaded rod 52 penetrates through the installation base 1 and extends to the outside of the installation base 1, and the second threaded rod 52 is rotatably connected with the installation base 1, a second bevel gear 55 is fixedly connected to the bottom end of the second threaded rod 52, an adjusting rod 56 is rotatably connected to the bottom of the mounting base 1 through a support frame, a first bevel gear 57 meshed with the second bevel gear 55 is fixedly connected to the left end of the adjusting rod 56, a guide rod 7 is fixedly connected between the first mounting plate 3 and the second mounting plate 4, a movable plate 8 is slidably connected to the surface of the guide rod 7, a first spring 9 is fixedly connected to the left side of the movable plate 8 and is positioned on the surface of the guide rod 7, an adjusting mechanism 6 is arranged at one end, far away from the movable plate 8, of the first spring 9 and is positioned on the surface of the guide rod 7, the adjusting mechanism 6 comprises a mounting box 61, the inner wall of the mounting box 61 is slidably connected to the surface of the guide rod 7, a friction block 62 is slidably connected between two sides of the inner wall of the mounting box 61, and the bottom of the friction block 62 is in contact with the surface of the guide rod 7, the top fixedly connected with second spring 63 of clutch blocks 62, the one end fixedly connected with sliding plate 64 of clutch blocks 62 is kept away from to second spring 63, sliding plate 64's top is rotated and is connected with first threaded rod 65, the top of install bin 61 is run through and is provided with first threaded sleeve 67, first threaded rod 65 runs through install bin 61 through first threaded sleeve 67 and with first threaded sleeve 67 threaded connection, first threaded rod 65 is located the outside one end fixedly connected with adjusting hand wheel 68 of install bin 61, the outside of install bin 61 is run through and extends to install bin 61 on the top of first threaded rod 65, fixedly connected with guide rail 66 between the both sides of install bin 61 inner wall, clutch blocks 62 and sliding plate 64 are all through guide rail 66 and install bin 61 sliding connection.
When the testing device is used, the adjusting hand wheel 68 is firstly rotated to drive the first threaded rod 65 to push the sliding plate 64 to change the pretightening force of the first spring 9 so as to change the friction force between the friction block 62 and the guide rod 7, so that the adjusting mechanism 6 slides along the surface of the guide rod 7 after the thrust force applied to the adjusting mechanism 6 exceeds a certain value, the elastic force of the first spring 9 in the testing process is unchanged, namely, the clamping force applied to a stacked battery cell in the testing process is unchanged, the adjusting mechanism 6 is well debugged, the stacked battery cell to be tested is placed between the movable plate 8 and the lifting plate 54, the displacement of expansion deformation of the battery cell can be tested, after the testing is finished, the adjusting rod 56 is rotated to drive the first bevel gear 57 to rotate, the second bevel gear 55 and the second threaded rod 52 are driven to rotate together, and the second threaded rod 52 is rotated to drive the lifting plate 54 to take out the tested battery cell from the testing device through the second threaded sleeve 53.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high accuracy heap electricity core inflation displacement testing arrangement, includes installation base (1), the equal fixedly connected with supporting leg (2) in four corners of installation base (1) bottom, its characterized in that: the left side of the top of the mounting base (1) is fixedly connected with a first mounting plate (3), the right side of the top of the mounting base (1) is fixedly connected with a second mounting plate (4), a lifting mechanism (5) is arranged between the second mounting plate (4) and the mounting base (1), a guide rod (7) is fixedly connected between the first mounting plate (3) and the second mounting plate (4), a movable plate (8) is connected to the surface of the guide rod (7) in a sliding manner, a first spring (9) is fixedly connected to the left side of the movable plate (8) and located on the surface of the guide rod (7), and an adjusting mechanism (6) is arranged at one end, away from the movable plate (8), of the first spring (9) and located on the surface of the guide rod (7);
the adjusting mechanism (6) comprises an installation box (61), the inner wall of the installation box (61) is in sliding connection with the surface of the guide rod (7), a friction block (62) is connected between two sides of the inner wall of the installation box (61) in a sliding mode, the bottom of the friction block (62) is in contact with the surface of the guide rod (7), a second spring (63) is fixedly connected to the top of the friction block (62), a sliding plate (64) is fixedly connected to one end, far away from the friction block (62), of the second spring (63), a first threaded rod (65) is connected to the top of the sliding plate (64) in a rotating mode, and the top end of the first threaded rod (65) penetrates through the installation box (61) and extends to the outside of the installation box (61).
2. A high accuracy stack-type cell expansion displacement testing apparatus according to claim 1, wherein: guide rails (66) are fixedly connected between two sides of the inner wall of the mounting box (61), and the friction block (62) and the sliding plate (64) are both in sliding connection with the mounting box (61) through the guide rails (66).
3. The high-precision stacked cell expansion displacement testing device of claim 1, wherein: the top of installing bin (61) is run through and is provided with first threaded sleeve pipe (67), first threaded rod (65) run through installing bin (61) and with first threaded sleeve pipe (67) threaded connection through first threaded sleeve pipe (67), first threaded rod (65) are located installing bin (61) outside one end fixedly connected with adjusting hand wheel (68).
4. The high-precision stacked cell expansion displacement testing device of claim 1, wherein: lifting mechanism (5) are including offering installation cavity (51) in second mounting panel (4), it is connected with second threaded rod (52) to rotate between the top of installation cavity (51) inner wall and the bottom, second threaded rod (52) surface threaded connection has second threaded sleeve (53).
5. The high-precision stacked cell expansion displacement testing device of claim 4, wherein: the surface of one side, close to the first mounting plate (3), of the second threaded sleeve (53) is fixedly connected with a lifting plate (54) through a connecting block.
6. The high-precision stacked cell expansion displacement testing device of claim 5, wherein: the bottom end of the second threaded rod (52) penetrates through the mounting base (1) and extends to the outside of the mounting base (1), a second bevel gear (55) is fixedly connected to the bottom end of the second threaded rod (52), an adjusting rod (56) is rotatably connected to the bottom of the mounting base (1) through a supporting frame, and a first bevel gear (57) meshed with the second bevel gear (55) is fixedly connected to the left end of the adjusting rod (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221354771.7U CN217844989U (en) | 2022-06-01 | 2022-06-01 | High accuracy heap electricity core inflation displacement testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221354771.7U CN217844989U (en) | 2022-06-01 | 2022-06-01 | High accuracy heap electricity core inflation displacement testing arrangement |
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| Publication Number | Publication Date |
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| CN217844989U true CN217844989U (en) | 2022-11-18 |
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| CN202221354771.7U Active CN217844989U (en) | 2022-06-01 | 2022-06-01 | High accuracy heap electricity core inflation displacement testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116978837A (en) * | 2023-09-21 | 2023-10-31 | 前海晶方云(深圳)测试设备有限公司 | An automatic stacking device for chip testing |
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2022
- 2022-06-01 CN CN202221354771.7U patent/CN217844989U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116978837A (en) * | 2023-09-21 | 2023-10-31 | 前海晶方云(深圳)测试设备有限公司 | An automatic stacking device for chip testing |
| CN116978837B (en) * | 2023-09-21 | 2023-11-28 | 前海晶方云(深圳)测试设备有限公司 | An automatic stacking device for chip testing |
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