CN114047204A - Lithium battery diaphragm detector - Google Patents
Lithium battery diaphragm detector Download PDFInfo
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- CN114047204A CN114047204A CN202111137171.5A CN202111137171A CN114047204A CN 114047204 A CN114047204 A CN 114047204A CN 202111137171 A CN202111137171 A CN 202111137171A CN 114047204 A CN114047204 A CN 114047204A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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 invention discloses a lithium battery diaphragm detector which comprises a rack, a camera structure comprising a linear array camera, a light source structure comprising a light source and an encoder structure, wherein the camera structure is arranged close to the upper part of the rack, the light source structure is arranged close to the lower part of the rack, and the encoder structure is arranged close to the front end of the rack. The linear array camera can be adjusted in a rotating mode at a small angle, and normal shooting of the linear array camera is guaranteed; the invention can also weaken the influence of the reflection phenomenon on the linear array camera and ensure the image shooting quality of the linear array camera; through the mode, the detection precision of the lithium battery diaphragm detector can be ensured.
Description
Technical Field
The invention relates to the technical field of lithium battery diaphragm detection, in particular to a lithium battery diaphragm detector.
Background
In the construction of lithium batteries, the separator is one of the key internal layer components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough.
At present, lithium battery diaphragm detects the diaphragm to lithium battery diaphragm detection machine commonly used in the market, and lithium battery diaphragm detection machine includes line array camera structure and light source structure, and line array camera is used for shooing the image of lithium battery diaphragm when the roller, and the light source structure is used for providing light when shooing for line array camera, and current lithium battery diaphragm detection machine has following technical problem: (1) the position of a linear array camera is fixed, when a certain small-angle offset deviation exists in the transmission of a lithium battery diaphragm, the conventional linear array camera cannot be rotated and adjusted by a corresponding small angle, so that the normal shooting of images is influenced, and the detection precision is influenced; (2) the light source of the linear array camera is directly opposite to the surface of the lithium battery diaphragm, so that the light reflection phenomenon is serious, the image shooting quality of the linear array camera is influenced, and the detection precision is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a lithium battery diaphragm detector which can solve the technical problems.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme: a lithium battery diaphragm detector, comprising: the lithium battery diaphragm conveying device comprises a rack, a camera structure comprising a linear array camera, a light source structure comprising a light source and an encoder structure, wherein the camera structure is arranged close to the upper part of the rack, the light source structure is arranged close to the lower part of the rack, the encoder structure is arranged close to the front end of the rack, the encoder structure comprises an encoder and a roller, the lithium battery diaphragm is conveyed through a plurality of roller shafts, the roller is arranged close to the top of one of the roller shafts and is connected with the encoder, the light source is positioned below the linear array camera and above the lithium battery diaphragm, the encoder is used for sending a pulse signal to the linear array camera, the linear array camera is used for shooting an image of the lithium battery diaphragm after receiving the pulse signal, and the light source is used for providing light rays for the linear array camera during shooting; the light source is in a strip shape, a light plane emitted by the light source is positioned above and close to the lithium battery diaphragm, and the light plane is intersected with the shooting direction of the linear array camera; the camera structure still includes the camera lens, the fixed plate, the swivel, the apparatus further comprises a rotating shaft, rotate stop device and vertical stop device, the fixed plate is equipped with the accepting groove and the through-hole that are linked together, the swivel is rotatable to be set up in the accepting groove, the linear array camera sets up on the swivel, the camera lens sets up in the bottom of linear array camera and passes the through-hole, the bottom of pivot sets up in the top of linear array camera, it includes the connecting block and rotates the stopper to rotate stop device, the one end and the swivel fixed connection of connecting block, the other end of connecting block is rotatable to be set up on the fixed plate, it sets up on the fixed plate to rotate the stopper, the other end of connecting block is located the spacing groove that rotates the stopper, vertical stop device part sets up on the fixed plate and the part is located the top surface of swivel.
Preferably, the camera structure further comprises two first fixing shafts and two fixing bases, the two first fixing shafts are arranged at intervals, two ends of each first fixing shaft are arranged on two sides of the frame respectively, the bottoms of the two fixing bases are arranged on the two first fixing shafts and distributed at intervals along the length direction of the corresponding first fixing shaft, and the left end and the right end of each fixing plate are arranged on the two fixing bases respectively.
Preferably, the number of the line cameras is multiple, and the line cameras are distributed at intervals along the length direction of the fixing plate.
Preferably, the vertical limiting device comprises at least two vertical limiting blocks, and the two vertical limiting blocks are respectively positioned at the left side and the right side of the linear array camera.
Preferably, the camera structure still includes rotation instruction block and angle scale, and the angle scale sets up on the fixed plate, rotates the instruction block and sets up on the swivel and be close to the angle scale setting.
Preferably, the light source structure further comprises a fixing device, and the light source is arranged on the fixing device.
Preferably, the number of the light sources is two, the two light sources are arranged oppositely, and the light planes of the two light sources are on the same plane.
Preferably, the light source structure still includes two second fixed axles and two axle fixed plates, and two axle fixed plates set up respectively in the both sides of frame, and the both ends of second fixed axle set up respectively on two axle fixed plates, all are equipped with two light source fixed plates on each second fixed axle, and both ends set up respectively on two light source fixed plates about the light source.
Preferably, the encoder structure still includes cylinder, lifter plate and third fixed axle, and the third fixed axle is close to the front end setting of frame, and the third fixed axle is located the top of a roller and sets up relatively with the roller, and the top and the third fixed axle of cylinder are connected, and the top and the bottom of cylinder of lifter plate are connected, and gyro wheel, encoder all set up on the lifter plate.
Preferably, the encoder structure still includes two connecting plates, and the bottom of two connecting plates sets up respectively in both ends about the roller, and both ends set up respectively on the top of two connecting plates about the third fixed axle.
(III) advantageous effects
Compared with the prior art, the invention provides a lithium battery diaphragm detector, which has the following beneficial effects: (1) the fixed plate of the camera structure is provided with an accommodating groove and a through hole which are communicated, the rotating ring is rotatably arranged in the accommodating groove, the linear array camera is arranged on the rotating ring, the bottom end of the rotating shaft is arranged at the top of the linear array camera, when the angle of the linear array camera needs to be adjusted, only the rotating shaft needs to be rotated, and the rotation limiting device is used for limiting the maximum rotating angle of the linear array camera, so that the linear array camera can be rotatably adjusted at a small angle, the normal shooting of the linear array camera is ensured, and the detection precision is ensured; (2) through setting up long banding light source, the light plane that the light source sent is located the top of lithium battery diaphragm and is close to the lithium battery diaphragm, and the light plane intersects with linear array camera's shooting direction, namely makes the light source can not face the surface of lithium battery diaphragm directly, weakens the influence of reflection of light phenomenon to linear array camera, guarantees linear array camera's image shooting quality to guarantee the precision of detection.
Drawings
FIG. 1 is a schematic perspective view of a lithium battery separator tester according to the present invention;
FIG. 2 is a schematic diagram of a camera structure and a lithium battery separator according to the present invention;
FIG. 3 is a schematic perspective view of a camera structure according to the present invention;
FIG. 4 is a partial block diagram of a camera structure of the present invention;
FIG. 5 is another partial block diagram of the camera structure of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic perspective view of a light source structure and a lithium battery separator according to the present invention;
FIG. 8 is a schematic perspective view of a light source structure and a lithium battery separator according to the present invention;
FIG. 9 is a schematic perspective view of a light source structure according to the present invention;
FIG. 10 is a schematic perspective view of an encoder structure and a lithium battery separator according to the present invention;
FIG. 11 is a schematic perspective view of an encoder structure according to the present invention;
FIG. 12 is a partial schematic diagram of an encoder structure according to the present invention;
fig. 13 is a schematic structural diagram of a connecting plate of the encoder structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a lithium battery diaphragm detector, which comprises: a housing 41, a camera structure 42 including a line camera 101, a light source structure 43 including a light source 301, and an encoder structure 44. The camera structure 42 is close to the upper portion of the frame 41, the light source structure 43 is close to the lower portion of the frame 41, the encoder structure 44 is close to the front end of the frame 41 and is arranged, the encoder structure 44 comprises an encoder 25 and a roller 24, the lithium battery diaphragm 45 is transmitted through a plurality of roller shafts 46, the roller 24 is close to the top of one of the roller shafts 46 and is arranged and connected with the encoder 25, the light source 301 is located below the line camera 101 and located above the lithium battery diaphragm 45, the encoder 25 is used for sending a pulse signal to the line camera 101, the line camera 101 is used for shooting an image of the lithium battery diaphragm 45 after receiving the pulse signal, and the light source 301 is used for providing light rays for the line camera 101 during shooting.
The camera structure 42 further includes a lens 102, a fixing plate 103, a rotating ring 104, a rotating shaft 105, a rotation limiting device and a vertical limiting device, the fixing plate 103 is provided with an accommodating groove 106 and a through hole 107 which are communicated with each other, the rotating ring 104 is rotatably disposed in the accommodating groove 106, the linear array camera 101 is disposed on the rotating ring 104, the lens 102 is disposed at the bottom of the linear array camera 101 and penetrates through the through hole 107, the bottom end of the rotating shaft 105 is disposed at the top of the linear array camera 101, the rotation limiting device includes a connecting block 108 and a rotation limiting block 109, one end of the connecting block 108 is fixedly connected with the rotating ring 104, the other end of the connecting block 108 is rotatably disposed on the fixing plate 103, the rotation limiting block 109 is disposed on the fixing plate 103, the other end of the connecting block 108 is located in a limiting groove of the rotation limiting block 109, and the vertical limiting device is partially disposed on the fixing plate 103 and partially located on the top surface of the rotating ring 104.
It should be understood that when the angle of the line camera 101 needs to be adjusted, only the rotating shaft 105 needs to be rotated; the vertical limiting device is used for limiting the linear array camera 101 to move vertically when rotating; the rotation limiting device is used for limiting the maximum rotation angle of the line camera 101.
The lithium battery diaphragm detector has the following beneficial effects: the fixed plate of camera structure is equipped with accepting groove and the through-hole that is linked together, the change is rotatable to be set up in the accepting groove, linear array camera sets up on the change, the bottom of pivot sets up in linear array camera's top, when the angle of needs adjustment linear array camera, only need rotate the pivot can, it is used for restricting linear array camera's the biggest turned angle to rotate stop device for linear array camera can carry out the rotation adjustment of small angle, guarantees linear array camera's normal shooting, thereby guarantees to detect the precision.
Preferably, the number of the line cameras 101 is multiple, and the line cameras 101 are distributed at intervals along the length direction of the fixing plate 103; in addition, the number of the lens 102, the swivel 104, the rotating shaft 105 and the rotation limiting device is the same as that of the line camera 101. In this embodiment, the number of the line cameras 101 is specifically four.
The vertical limiting device comprises at least two vertical limiting blocks 110, wherein the two vertical limiting blocks 110 are respectively positioned at the left side and the right side of the linear array camera 101, and it should be understood that the two vertical limiting blocks 110 are used for limiting the vertical movement of two sides of a rotating ring 104; in this embodiment, the number of the vertical limiting blocks 110 is specifically five, and of course, other numbers may be set according to needs in other embodiments, and the number is not limited too much here.
In addition, the camera structure 42 may further include a shaft base, and the top end of the shaft 105 is disposed in the shaft hole of the shaft base.
In addition, in order to facilitate clear understanding of the rotation angle of the line camera 101, the present embodiment further includes a rotation indicating block 111 and an angle scale 112, the angle scale 112 is disposed on the fixing plate 103, the rotation indicating block 111 is disposed on the rotating ring 104 and is disposed close to the angle scale 112, and an angle scale is marked on the angle scale 112.
Specifically, the present embodiment further includes two first fixing shafts 113 and two fixing bases 114, the two first fixing shafts 113 are disposed at intervals, two ends of the first fixing shafts 113 are disposed at two sides of the frame 41, respectively, and bottoms of the two fixing bases 114 are disposed on the two first fixing shafts 113 and are distributed at intervals along a length direction of the first fixing shafts 113. The left end and the right end of the fixing plate 103 are respectively disposed on the two fixing bases 114, and the fixing plate 103 can be disposed on the fixing bases 114 through the vertical limiting blocks 110 located on the lateral sides.
Preferably, the bottom of the fixed base 114 is slidably disposed on the first fixed shaft 113; specifically, the bottom of the fixing base 114 includes an upper structure block 115 and a lower structure block 116 connected by a screw, so that the distance between the upper structure block 115 and the lower structure block 116 can be adjusted by rotating the screw, i.e., so that the bottom of the fixing base 114 can slide on the first fixing shaft 113 to adjust the position.
In addition, the light source 301 is long and extends along the length direction of the roller shaft 46, the light plane 303 emitted by the light source 301 is positioned above the lithium battery diaphragm 45 and close to the lithium battery diaphragm 45, and the light plane 303 intersects with the shooting direction 304 of the linear array camera.
Specifically, in this embodiment, the number of the light sources 301 is two, the two light sources 301 are disposed opposite to each other, and the light planes 303 of the two light sources 301 are located on the same plane. Light source 301 is powered by wires 308.
The light source structure 43 further comprises a fixing device on which the light source 301 is arranged. The fixing device of the light source structure 43 of the present embodiment specifically includes two second fixing shafts 305, the second fixing shafts 305 extend along the length direction of the roller shaft 46, two light source fixing plates 306 are disposed on each second fixing shaft 305, and the left and right ends of the light source 301 are disposed on the two light source fixing plates 306, respectively.
In addition, the fixing device further includes two shaft fixing plates 307 disposed opposite to each other, the two shaft fixing plates 307 are disposed on two sides of the frame 41, one ends of the two second fixing shafts 305 are disposed on one shaft fixing plate 307 at intervals, and the other ends of the two second fixing shafts 305 are disposed on the other shaft fixing plate 307 at intervals.
Preferably, the light source fixing plate 306 is slidably disposed on the second fixing shaft 305 to adjust the position of the light source 301; specifically, the light source fixing plate 306 is provided with a through hole near the top thereof, through which the second fixing shaft 305 passes, and the inner diameter of the through hole is larger than the outer diameter of the second fixing shaft 305, so that the light source fixing plate 306 can slide on the second fixing shaft 305.
The encoder structure further comprises an air cylinder 22, a lifting plate 23 and a third fixing shaft 21, the third fixing shaft 21 is arranged close to the front end of the rack 41, the third fixing shaft 21 is located above a roller shaft 46 and is arranged opposite to the roller shaft 46, the top of the air cylinder 22 is connected with the third fixing shaft 21, the top of the lifting plate 23 is connected with the bottom of the air cylinder 22, and the roller 24 and the encoder 25 are arranged on the lifting plate 23. The roller 24 is arranged near the top of the roller shaft 46, so that the lithium battery diaphragm 45 on the roller shaft 46 can drive the roller 24 to roll, i.e. drive the encoder 25 to rotate so as to send a pulse signal to the line camera 101. In addition, the height of the roller 24 and the encoder 25 can be adjusted by arranging the air cylinder 22, so that the device can be suitable for lithium battery diaphragms 45 with different thicknesses, the flexibility is high, and the detection precision can be greatly improved.
The encoder structure 44 further includes two connecting plates 261, bottom ends of the two connecting plates 261 are respectively disposed at left and right ends of the roller shaft 46, and left and right ends of the third fixing shaft 21 are respectively disposed at top ends of the two connecting plates 261.
Preferably, the bottom ends of the two connection plates 261 are detachably disposed at the left and right ends of the roller shaft 46, respectively, and the left and right ends of the third fixing shaft 21 are detachably disposed at the top ends of the two connection plates 261, respectively. Specifically, the connecting plate 261 includes a connecting plate main body 2611, a connecting plate top plate 2612 detachably disposed at the top end of the connecting plate main body 2611 and formed with a first engaging hole 2613, and a connecting plate bottom plate 2614 detachably disposed at the bottom end of the connecting plate main body 2611 and formed with a second engaging hole 2615, wherein the left and right ends of the roller shaft 46 are respectively engaged in the first engaging hole 2613, and the left and right ends of the third fixed shaft 21 are respectively engaged in the second engaging hole 2615.
It should be understood that the first catching hole 2613 has a hole diameter smaller than the outer diameters of the left and right ends of the roller shaft 46, and the second catching hole 2615 has a hole diameter smaller than the outer diameters of the left and right ends of the third fixed shaft 21.
Further, the connecting plate top plate 2612 is detachably connected with the connecting plate main body 2611 through a threaded connection mode, and the fixing plate bottom plate 2613 is detachably connected with the connecting plate main body 2611 through a threaded connection mode.
Further, the encoder structure 44 further includes a cylinder connecting block 221, the top of the cylinder 22 is connected to one side of the cylinder connecting block 221, and the cylinder connecting block 221 is disposed on the third fixing shaft 21.
In the present embodiment, the cylinder connection block 221 is provided with a first through hole 2211, and the third fixing shaft 21 is transferred in the first through hole 2211.
In addition, the other side of the cylinder connecting block 221 is further provided with a first slit 2212 communicated with the first through hole 2211, wherein the first slit 2212 divides the other side of the cylinder connecting block 221 into an upper side portion 2213 and a lower side portion 2214, the upper side portion 2213 is provided with a first threaded hole, the lower side portion 2214 is provided with a second threaded hole, so that a screw is in threaded connection with the first threaded hole and the second threaded hole, the distance between the upper side portion 2213 and the lower side portion 2214 can be adjusted by rotating the screw, the tightness of the cylinder connecting block 221 and the third fixing shaft 21 can be adjusted, and thus any position of the cylinder connecting block 221 on the third fixing shaft 21 can be adjusted.
The top of lifter plate 23 is connected with the bottom of cylinder 22, and specifically, the top of lifter plate 23 is connected with the telescopic link of cylinder 22 for can realize driving lifter plate 23 to go up and down through the telescopic link of control cylinder 22.
Specifically, encoder 25 is connected through the shaft coupling with gyro wheel 24 for gyro wheel 24 can drive encoder 25 and rotate.
Preferably, the number of encoders 25 is two, and two encoders 25 are located on both sides of the roller 24.
Specifically, the bottom surface of the lifting plate 23 is provided with a first partition 231 and a second partition 232 at intervals, wherein the roller 24 is rotatably disposed between the first partition 231 and the second partition 232, and the two encoders 25 are disposed outside the first partition 231 and the second partition 232, respectively.
It can be understood that the gyro wheel 24 and the encoder 25 of this embodiment set up in the lifter plate 23, consequently can control the lift of lifter plate 23 through cylinder 22 to drive gyro wheel 24 and encoder 25 through lifter plate 23 and go up and down, thereby can adjust the position of encoder 25 according to actual need, with the lithium battery diaphragm 45 that adapts to different thickness, the flexibility is high, can improve the precision that detects greatly.
It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (10)
1. A lithium battery diaphragm detector is characterized by comprising: a frame, a camera structure including a line-array camera, a light source structure including a light source, and an encoder structure, the camera structure is arranged close to the upper part of the frame, the light source structure is arranged close to the lower part of the frame, the encoder structure is arranged close to the front end of the frame and comprises an encoder and rollers, the lithium battery diaphragm is transmitted through a plurality of roller shafts, the roller is arranged close to the top of one of the roll shafts and is connected with the encoder, the light source is positioned below the linear array camera and above the lithium battery diaphragm, the encoder is used for sending a pulse signal to the linear array camera, the linear array camera is used for shooting an image of the lithium battery diaphragm after receiving the pulse signal, and the light source is used for providing light rays for the linear array camera during shooting;
the light source is in a strip shape, a light plane emitted by the light source is positioned above and close to the lithium battery diaphragm, and the light plane is intersected with the shooting direction of the linear array camera;
the camera structure also comprises a lens, a fixed plate, a swivel, a rotating shaft, a rotating limiting device and a vertical limiting device, the fixing plate is provided with an accommodating groove and a through hole which are communicated, the rotating ring can be rotatably arranged in the accommodating groove, the linear array camera is arranged on the rotating ring, the lens is arranged at the bottom of the linear array camera and penetrates through the through hole, the bottom end of the rotating shaft is arranged at the top of the linear array camera, the rotation limiting device comprises a connecting block and a rotation limiting block, one end of the connecting block is fixedly connected with the rotating ring, the other end of the connecting block is rotatably arranged on the fixing plate, the rotating limiting block is arranged on the fixed plate, the other end of the connecting block is positioned in the limiting groove of the rotating limiting block, the vertical limiting device is partially arranged on the fixing plate and partially positioned on the top surface of the rotating ring.
2. The lithium battery separator tester as recited in claim 1, wherein: the camera structure still includes two first fixed axles and two fixed baseplate, two first fixed axle interval sets up just the both ends of first fixed axle set up respectively in the both sides of frame, two fixed baseplate's bottom sets up in two on the first fixed axle and follow the length direction interval distribution of first fixed axle, both ends set up respectively in two about the fixed plate fixed baseplate.
3. The lithium battery separator tester as recited in claim 2, wherein: the number of the linear array cameras is multiple, and the linear array cameras are distributed at intervals along the length direction of the fixing plate.
4. The lithium battery separator tester as recited in claim 3, wherein: the vertical limiting device comprises at least two vertical limiting blocks, and the two vertical limiting blocks are respectively positioned at the left side and the right side of the linear array camera.
5. The lithium battery separator tester as recited in claim 1, wherein: the camera structure still includes rotation instruction block and angle scale, the angle scale set up in on the fixed plate, rotate the instruction block set up in on the swivel and be close to the angle scale sets up.
6. The lithium battery separator tester as recited in claim 1, wherein: the light source structure further comprises a fixing device, and the light source is arranged on the fixing device.
7. The lithium battery separator tester as recited in claim 6, wherein: the number of the light sources is two, the two light sources are arranged oppositely, and light ray planes of the two light sources are positioned on the same plane.
8. The lithium battery separator tester as recited in claim 7, wherein: the light source structure still includes two second fixed axles and two axle fixed plates, two the axle fixed plate set up respectively in the both sides of frame, the both ends of second fixed axle set up respectively in two on the axle fixed plate, each all be equipped with two light source fixed plates on the second fixed axle, both ends set up respectively in two about the light source on the light source fixed plate.
9. The lithium battery separator tester as recited in claim 1, wherein: the encoder structure still includes cylinder, lifter plate and third fixed axle, the third fixed axle is close to the front end setting of frame, the third fixed axle is located one the top of roller and with the roller sets up relatively, the top of cylinder with the third fixed axle is connected, the top of lifter plate with the bottom of cylinder is connected, the gyro wheel the encoder all set up in on the lifter plate.
10. The lithium battery separator tester as recited in claim 9, wherein: the encoder structure still includes two connecting plates, two the bottom of connecting plate set up respectively in both ends about the roller, both ends set up respectively in two about the third fixed axle on the top of connecting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111137171.5A CN114047204B (en) | 2021-09-27 | 2021-09-27 | Lithium battery diaphragm detector |
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| CN202111137171.5A CN114047204B (en) | 2021-09-27 | 2021-09-27 | Lithium battery diaphragm detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117740828A (en) * | 2024-02-20 | 2024-03-22 | 宁德时代新能源科技股份有限公司 | Encapsulation detection system and encapsulation detection method for cylindrical battery cell |
| CN117740828B (en) * | 2024-02-20 | 2024-06-25 | 宁德时代新能源科技股份有限公司 | Encapsulation detection system and encapsulation detection method for cylindrical battery cell |
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