CN209841717U - Laminate polymer battery utmost point ear welding seam detection device - Google Patents
Laminate polymer battery utmost point ear welding seam detection device Download PDFInfo
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- CN209841717U CN209841717U CN201920336822.5U CN201920336822U CN209841717U CN 209841717 U CN209841717 U CN 209841717U CN 201920336822 U CN201920336822 U CN 201920336822U CN 209841717 U CN209841717 U CN 209841717U
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- camera
- lead screw
- welding seam
- parallel light
- light source
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- 238000003466 welding Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 229920000642 polymer Polymers 0.000 title claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims abstract description 38
- 230000007723 transport mechanism Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 77
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Abstract
The utility model relates to a laminate polymer battery utmost point ear welding seam detection device, including the frame that has base, front end plate and rear end plate, be equipped with the transport mechanism that is used for the conveying to wait to detect utmost point ear welding seam board on the base, the rear end plate front side is equipped with coaxial parallel light source, the vertical condensing lens who is provided with parallel with coaxial parallel light source in coaxial parallel light source front side, the condensing lens front side is equipped with the semi-transparent mirror rather than being certain contained angle to one side, frame upper portion is equipped with camera motion, install the camera that is used for gathering utmost point ear welding seam image on the camera motion. The device not only can improve detection degree of automation and detection efficiency, but also has simple structure and good use effect.
Description
Technical Field
The utility model relates to a battery tab defect detecting technical field especially relates to a laminate polymer battery tab welding seam detection device.
Background
With the rapid development of the new energy automobile industry, the demand of the power battery is continuously increased. The power lithium battery is the core in the new energy automobile industry chain, and soft package power battery easily forms unified model and process standard for square and cylindrical battery, has advantages such as energy density height, weight are little, the internal resistance is little, the cycle performance is good, long cycle life, design flexibility, makes it demand increase gradually, and market share is gradually gone high. But soft packet of power battery utmost point ear defect detection degree of automation is not high at present, and most still stop the manual visual inspection, and manual detection very relies on detection personnel's experience and technical level, and this can lead to defect detection work to lack uniformity and continuity, and not only working strength is big, and production efficiency is low, still causes the false retrieval and leaks to examine easily. In the prior art, the detection of the welding seam of the pole lug of the soft package power battery is still rarely researched. In addition, most of the high-end detection devices are monopolized abroad and are expensive.
Disclosure of Invention
An object of the utility model is to provide a laminate polymer battery utmost point ear welding seam detection device, the device not only can improve detection degree of automation and detection efficiency, simple structure moreover, excellent in use effect.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a laminate polymer battery utmost point ear welding seam detection device, is including the frame that has base, front end plate and rear end plate, be equipped with the transport mechanism that is used for the conveying to wait to detect utmost point ear welding seam board on the base, the rear end plate front side is equipped with coaxial parallel light source, the vertical condensing lens who is parallel with coaxial parallel light source that is provided with in coaxial parallel light source front side, the condensing lens front side is equipped with the semi-transparent mirror rather than being certain contained angle to one side, frame upper portion is equipped with camera motion, install the camera that is used for gathering utmost point ear welding seam image in the camera motion.
Further, the conveying mechanism mainly comprises a conveying belt mechanism and a driving motor for driving the conveying belt mechanism to work.
Further, camera motion is including the camera mounting bracket that is used for installing the camera, be used for driving camera mounting bracket up-and-down motion, be used for driving camera mounting bracket seesaw's first lead screw slide mechanism and be used for driving camera mounting bracket side-to-side motion's second lead screw slide mechanism, first lead screw slide mechanism is by first lead screw motor drive work, second lead screw slide mechanism is by second lead screw motor drive work.
Furthermore, the first screw rod sliding mechanism comprises two first screw rods, two first guide rails and two first slide blocks, the two first slide blocks are symmetrically arranged on the left upper side part and the right upper side part of the rack, the two first slide blocks are matched with the first screw rods and the first guide rails to convert rotation into linear motion, the second screw rod sliding mechanism comprises a second screw rod, a second guide rail and a second slide block, the second slide block is matched with the second screw rod and the second guide rail to convert rotation into linear motion, and the second screw rod and the second guide rail are arranged on the two first slide blocks in a spanning mode to move back and forth under the driving of the second screw rod and the second guide rail; the up-and-down movement mechanism is arranged on a second slide block of the second screw rod sliding mechanism and driven by the up-and-down movement mechanism to move left and right.
Further, the up-and-down movement mechanism is a screw rod sliding mechanism, and the screw rod sliding mechanism is driven by a third screw rod motor to work.
Furthermore, the semi-transparent mirror, the horizontal plane and the condenser lens form an included angle of 45 degrees so as to vertically irradiate the parallel light penetrating through the condenser lens downwards onto the area to be detected, and the camera is vertically arranged above the area to be detected so as to collect an image of a welding seam of the lug.
Further, the device also comprises a control system, wherein a central control machine of the control system is respectively connected with the coaxial parallel light source, the transmission mechanism, the camera movement mechanism and the camera to respectively control the coaxial parallel light source to work, the transmission mechanism is controlled to transmit the tab welding seam plate to be detected to the area to be detected, the camera movement mechanism is controlled to drive the camera to move, and the camera is controlled to collect and upload the tab welding seam image.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a laminate polymer battery utmost point ear welding seam detection device, the device can carry out the defect detection to battery utmost point ear welding seam automatically, has improved detection efficiency, and has overcome the problem that the work efficiency that manual detection brought is low and the false retrieval missed measure rate is high. Furthermore, the utility model discloses simple structure, low in manufacturing cost can satisfy the requirement that medium and small enterprise produced the line detection, has very strong practicality and wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of a detection device in an embodiment of the present invention.
Fig. 2 is a schematic diagram of an implementation of the detection apparatus in the embodiment of the present invention.
Fig. 3 is a control schematic diagram of a control system of the detection device in the embodiment of the present invention.
In the figure, the device comprises a camera 1, a camera 2, a camera movement mechanism 3, a semi-transparent mirror 4, a coaxial parallel light source 5, a condenser lens 6, a tab welding plate to be detected 7, a transmission mechanism 8, a frame 9, a base 10, a front end plate 11, a rear end plate 21, a camera mounting frame 22, an up-and-down movement mechanism 23, a first screw rod sliding mechanism 24 and a second screw rod sliding mechanism.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a laminate polymer battery utmost point ear welding seam detection device, as figure 1, 2 are shown, including having base 9, frame 8 of front end plate 10 and rear end plate 11, be equipped with on base 9 and be used for the conveying to detect utmost point ear welding seam board 6's transport mechanism 7, 11 front sides of rear end plate are equipped with coaxial parallel light source 4, the vertical condensing lens 5 who is parallel with coaxial parallel light source 4 that is provided with in coaxial parallel light source 4 front side, 5 front sides of condensing lens are equipped with the semi-transparent mirror 3 rather than being certain contained angle to one side, 8 upper portions of frame are equipped with camera motion 2, install the camera 1 that is used for gathering utmost point ear welding seam image on the camera motion 2.
The utility model discloses a in the preferred embodiment, transport mechanism 7 mainly comprises conveyor belt mechanism and the driving motor who is used for driving conveyor belt mechanism work, and transport mechanism mainly is responsible for waiting to detect the conveying of utmost point ear weld plate, thick location and carry out subsection translation collection image when the follow-up big utmost point ear module of soft packet of power battery that appears.
In this embodiment, the camera moving mechanism 2 includes a camera mounting frame 21 for mounting a camera, an up-and-down moving mechanism 22 for driving the camera mounting frame 21 to move up and down, a first lead screw sliding mechanism 23 for driving the camera mounting frame 21 to move back and forth, and a second lead screw sliding mechanism 24 for driving the camera mounting frame 21 to move left and right, the first lead screw sliding mechanism 23 is driven by a first lead screw motor, and the second lead screw sliding mechanism 24 is driven by a second lead screw motor to operate. The first screw rod sliding mechanism 23 comprises two first screw rods, two first guide rails and two first sliding blocks, wherein the two first screw rods and the two first sliding blocks are symmetrically arranged on the left upper side part and the right upper side part of the rack, the two first sliding blocks are matched with the first screw rods and the first guide rails to convert rotation into linear motion, the second screw rod sliding mechanism 24 comprises a second screw rod, a second guide rail and a second sliding block, the second sliding block is matched with the second screw rod and the second guide rail to convert rotation into linear motion, and the second screw rod and the second guide rail are arranged on the two first sliding blocks in a spanning mode to move back and forth under the driving of the second; the up-and-down movement mechanism is arranged on a second slide block of the second screw rod sliding mechanism and driven by the up-and-down movement mechanism to move left and right. In the preferred embodiment of the present invention, the up-and-down movement mechanism 22 is a screw sliding mechanism, and the screw sliding mechanism is driven by a third screw motor.
As shown in fig. 2, the angle between the semi-transparent mirror and the horizontal plane and the angle between the semi-transparent mirror and the condenser lens are 45 degrees, so that the parallel light penetrating through the condenser lens vertically and downwards irradiates the area to be detected, the camera is vertically arranged above the area to be detected, the height of the camera can be adjusted through the up-and-down movement mechanism according to the size of an element and the required precision, and the camera can move back and forth and left and right through the first lead screw sliding mechanism and the second lead screw sliding mechanism so as to collect the lug weld image. The utility model discloses in, two sets of coaxial parallel light source place on the back end plate, not directly over the camera visual field, condensing lens and coaxial parallel light source parallel placement, and the parallel light that coaxial parallel light source sent sees through condensing lens earlier, and the refraction of rethread half lens for light shines perpendicularly downwards and waits to detect that the detection is regional to detect utmost point ear weld board. The front end plate and the rear end plate which are arranged at the front end and the rear end of the frame and have the same height as the condensing lens and the like prevent the interference of external light rays, the rear end plate is used for installing a coaxial parallel light source, and the combination of the light source, the condensing lens and the semi-transparent lens enables the illumination to be uniform and avoids the interference of external light rays such as shadows and the like.
In this embodiment, the frame is a cube with a height of about 100cm, wherein the middle of the frame is a combination of the light source and the lens, and the front and rear ends of the combination are respectively provided with a front end plate and a rear end plate with a height of about 50 cm. The camera is a CMOS industrial camera with model number MQ042 CG-CM. The imaging quality of the CMOS camera is close to that of the CCD, the cost performance is high, the power consumption is low, and the resolution can reach 400 ten thousand pixels. The camera lens is a lens with a model number of HK3514MP5 and a focal length of 35mm and a diaphragm of 1.45 MP. The lens has a compact structural design, is low-distortion imaging (less than 1.0%) corresponding to the resolution of a 500 ten thousand pixel camera, is a C interface, and is suitable for the MQ042CG-CM camera in the system.
The apparatus also includes a control system. As shown in fig. 3, a central control unit of the control system is respectively connected with the coaxial parallel light source 4, the transmission mechanism 7, the camera movement mechanism 2 and the camera 1 to respectively control the coaxial parallel light source 4 to work, control the transmission mechanism 7 to transmit the tab welding seam plate to be detected to the area to be detected, control the camera movement mechanism 2 to drive the camera 1 to move, and control the camera 1 to collect and upload the tab welding seam image. Specifically, the central control machine is connected with a control signal input end of a driving motor of the conveying mechanism 7 so as to control the start and stop of the driving motor. The central control machine is also connected with the control signal input ends of a first screw rod motor of a first screw rod sliding mechanism 23, a second screw rod motor of a second screw rod sliding mechanism 24 and a third screw rod motor of an up-and-down movement mechanism 22 in the camera movement mechanism 2 respectively so as to control the start and stop of the first screw rod motor, the second screw rod motor and the third screw rod motor respectively.
The utility model discloses a control process does: when the image acquisition is started, a central control machine of the control system sends a control command to a driving motor of the transmission mechanism, the driving motor drives the conveying belt mechanism to work, and the plate of the lug welding line to be detected arranged on the conveying belt mechanism is conveyed to the area to be detected. At the moment, the sensor arranged in the area to be detected senses that the tab welding plate to be detected reaches the set position, and sends a sensing signal to the control system. And after receiving the sensing signal, the control system controls the driving motor to stop working and then controls the camera to acquire images. After the image acquisition work starts, if the position of the camera needs to be adjusted, the camera movement mechanism can be controlled through the control system to drive the camera to move to a proper position.
Above is the utility model discloses a preferred embodiment, all rely on the utility model discloses the change that technical scheme made, produced functional action does not surpass the utility model discloses during technical scheme's scope, all belong to the utility model discloses a protection scope.
Claims (7)
1. The utility model provides a laminate polymer battery utmost point ear welding seam detection device, its characterized in that, including the frame that has base, front end plate and rear end plate, be equipped with the transport mechanism who is used for the conveying to wait to detect utmost point ear welding seam board on the base, the rear end plate front side is equipped with coaxial parallel light source, the vertical condensing lens who is provided with parallel with coaxial parallel light source in coaxial parallel light source front side, the condensing lens front side is equipped with the semi-lens rather than being certain contained angle to one side, frame upper portion is equipped with camera motion, the last camera that is used for gathering utmost point ear welding seam image of installing of camera motion.
2. The device for detecting the tab welding seam of the soft package battery according to claim 1, wherein the conveying mechanism mainly comprises a conveying belt mechanism and a driving motor for driving the conveying belt mechanism to work.
3. The device for detecting the tab welding seam of the soft-package battery according to claim 1, wherein the camera moving mechanism comprises a camera mounting rack for mounting a camera, an up-and-down moving mechanism for driving the camera mounting rack to move up and down, a first lead screw sliding mechanism for driving the camera mounting rack to move back and forth and a second lead screw sliding mechanism for driving the camera mounting rack to move left and right, the first lead screw sliding mechanism is driven by a first lead screw motor to work, and the second lead screw sliding mechanism is driven by a second lead screw motor to work.
4. The soft-package battery tab welding line detection device according to claim 3, wherein the first lead screw sliding mechanism comprises two first lead screws, two first guide rails and two first slide blocks, the two first slide blocks are symmetrically arranged on the left upper side part and the right upper side part of the rack and are matched with the first lead screws and the first guide rails to convert rotation into linear motion, the second lead screw sliding mechanism comprises a second lead screw, a second guide rail and a second slide block, the second slide block is matched with the second lead screw and the second guide rail to convert rotation into linear motion, and the second lead screw and the second guide rail straddle the two first slide blocks to move back and forth under the driving of the second lead screw and the second guide rail; the up-and-down movement mechanism is arranged on a second slide block of the second screw rod sliding mechanism and driven by the up-and-down movement mechanism to move left and right.
5. The device for detecting the soft-package battery tab welding seam according to claim 3, wherein the up-and-down movement mechanism is a lead screw sliding mechanism, and the lead screw sliding mechanism is driven by a third lead screw motor to work.
6. The soft-package battery tab weld detecting device according to claim 1, wherein the semi-transparent mirror forms an included angle of 45 degrees with the horizontal plane and the condenser lens, so as to vertically irradiate the parallel light passing through the condenser lens downwards onto the area to be detected, and the camera is vertically arranged above the area to be detected, so as to collect the tab weld image.
7. The device for detecting the welding line of the pole ear of the soft package battery according to claim 1, characterized by further comprising a control system, wherein a central control machine of the control system is respectively connected with the coaxial parallel light source, the transmission mechanism, the camera movement mechanism and the camera to respectively control the coaxial parallel light source to work, the transmission mechanism is controlled to transmit the pole ear welding line plate to be detected to an area to be detected, the camera movement mechanism is controlled to drive the camera to move, and the camera is controlled to collect and upload the pole ear welding line image.
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CN201920336822.5U CN209841717U (en) | 2019-03-18 | 2019-03-18 | Laminate polymer battery utmost point ear welding seam detection device |
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CN201920336822.5U CN209841717U (en) | 2019-03-18 | 2019-03-18 | Laminate polymer battery utmost point ear welding seam detection device |
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CN201920336822.5U Expired - Fee Related CN209841717U (en) | 2019-03-18 | 2019-03-18 | Laminate polymer battery utmost point ear welding seam detection device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109738454A (en) * | 2019-03-18 | 2019-05-10 | 福建工程学院 | A kind of soft-package battery tab detection device and method |
CN112857458A (en) * | 2021-02-05 | 2021-05-28 | 常州捷佳创精密机械有限公司 | Detection device, material platform equipment and image processing method thereof |
-
2019
- 2019-03-18 CN CN201920336822.5U patent/CN209841717U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109738454A (en) * | 2019-03-18 | 2019-05-10 | 福建工程学院 | A kind of soft-package battery tab detection device and method |
CN112857458A (en) * | 2021-02-05 | 2021-05-28 | 常州捷佳创精密机械有限公司 | Detection device, material platform equipment and image processing method thereof |
CN112857458B (en) * | 2021-02-05 | 2023-08-29 | 常州捷佳创精密机械有限公司 | Detection device, material table equipment and image processing method of material table equipment |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20191224 |