CN117451629A - Editable multi-angle light source equipment for bipolar ear detection - Google Patents
Editable multi-angle light source equipment for bipolar ear detection Download PDFInfo
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- CN117451629A CN117451629A CN202311533034.2A CN202311533034A CN117451629A CN 117451629 A CN117451629 A CN 117451629A CN 202311533034 A CN202311533034 A CN 202311533034A CN 117451629 A CN117451629 A CN 117451629A
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- 238000001514 detection method Methods 0.000 title claims description 24
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000007547 defect Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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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- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to a machine vision technology, and discloses an editable multi-angle light source device for detecting a bipolar ear, which comprises: the three-dimensional light source module comprises two three-dimensional light source assemblies which are bilaterally symmetrical, wherein each three-dimensional light source assembly comprises a preset number of light-emitting channels which are arranged in a U-shaped ring; the control module is used for controlling the light-emitting channels to emit light, selecting the number of light-emitting paths of the light-emitting channels and adjusting the light-emitting parameters of the light-emitting channels. According to the embodiment of the invention, the luminous parameters of each path of luminous channel can be edited according to the object to be detected, so that different multi-angle polishing of the object to be detected can be realized, the two ends of the object to be detected can be detected simultaneously by utilizing the two three-dimensional light source assemblies, the object to be detected or a light source does not need to be moved, the three-dimensional light source assemblies adopt the luminous channels distributed in a U-shaped ring, lenses with more sizes can be matched, and the efficiency is improved.
Description
Technical Field
The invention relates to the technical field of machine vision illumination, in particular to an editable multi-angle light source device for bipolar ear detection.
Background
The defect types in the tab area of the lithium battery are complex and various, the positions are random, and the color difference between some fine flaws and the tab background is very small, so that the defect characteristics are difficult to extract accurately, and the visual detection becomes one of the industrial difficulties.
The OPT machine vision light source relies on two large technical platforms of optical imaging and vision analysis, quality and speed of image acquisition are improved from a hardware source, and in combination with a self-grinding AI algorithm, fine or complex defects of the tab are accurately classified and judged, multiple working procedures such as tab cutting, winding and welding are covered, and the problem of tab defect detection is solved in an all-around mode.
When the traditional visual light source detects the tab of the lithium battery, the light source customization is needed along with the change of the requirement of a detection item or the size of a lens, no universally applicable light source scheme exists, and in addition, the lithium battery or the light source needs to be moved back and forth to realize the illumination of the bipolar tab, so that the detection efficiency is lower.
Disclosure of Invention
The invention provides an editable multi-angle light source device for detecting a bipolar lug, which mainly aims to solve the problem that the detection efficiency of a traditional visual light source is low when the lug of a lithium battery is detected.
To achieve the above object, the present invention provides an editable multi-angle light source apparatus for bipolar ear detection, the editable multi-angle light source apparatus comprising: the three-dimensional light source module comprises two three-dimensional light source assemblies which are bilaterally symmetrical, each three-dimensional light source assembly comprises a preset number of light-emitting channels which are arranged in a U-shaped manner, and the preset number of light-emitting channels are attached to the inner wall of the three-dimensional light source assembly;
the control module comprises a control circuit and control software, wherein the control circuit is used for controlling the luminous channels to emit light, and the control software is used for selecting the luminous paths of the luminous channels and adjusting the luminous parameters of the luminous channels according to the object to be detected.
Optionally, each of the stereoscopic light source assemblies includes 42 light emitting channels.
Optionally, any one of the light-emitting channels includes: red light emitting unit, green light emitting unit, blue light emitting unit, (CIE) a light emitting unit, (CIE) D50 light emitting unit, and (CIE) D65 light emitting unit.
Optionally, the control software adjusts the flicker frequency of any one light emitting unit of the light emitting channel according to the shooting frequency of the preset camera.
Optionally, the light emitting parameters of the light emitting channel include: luminance and color temperature of light emission.
Optionally, the selecting the number of light emitting paths of the light emitting channel and adjusting the light emitting parameters of the light emitting channel according to the object to be detected includes:
selecting the number of light-emitting paths of the light-emitting channel according to the position of the object to be detected;
acquiring exposure parameters of a preset camera;
and adjusting the luminous brightness and the luminous color temperature of the luminous channel according to the exposure parameters and the defect type of the object to be detected.
Optionally, the control module further comprises a storage unit for storing the number of the luminous paths and the luminous parameters of the luminous channel and the labels of the corresponding objects to be detected.
Optionally, the light emitting channel has an angle with the horizontal in the range of 4.5 ° to 60 °.
Optionally, the control circuit includes: RS232 communication interface circuit, MCU microcontroller, PWM modulation circuit and MOS pipe switch circuit.
Optionally, the light-emitting channel uses an aluminum substrate as a carrier.
According to the editable multi-angle light source device for bipolar ear detection, the light emitting parameters of each path of light emitting channel can be edited according to the object to be detected, so that multi-angle lighting of different objects to be detected is realized, two ends of the object to be detected can be detected simultaneously by utilizing the two three-dimensional light source assemblies, the object to be detected or a light source does not need to be moved back and forth, the three-dimensional light source assemblies adopt U-shaped holes, lenses with more sizes can be matched, and efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a framework of an editable multi-angle light source device for bipolar ear detection according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of an editable multi-angle light source device for bipolar ear detection according to an embodiment of the invention;
fig. 3 is a schematic layout diagram of a light emitting channel of an editable multi-angle light source device for bipolar ear detection according to an embodiment of the invention;
fig. 4 to fig. 7 are schematic views of different channels of an editable multi-angle light source device for bipolar ear detection according to an embodiment of the invention.
Fig. 8 is a schematic cross-sectional view of a light-emitting channel according to an embodiment of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The editable multi-angle light source device for bipolar ear detection of the present invention is described below with reference to fig. 1-8. Referring to fig. 1, a schematic frame diagram of an editable multi-angle light source device for bipolar ear detection according to an embodiment of the invention is shown. In this embodiment, the editable multi-angle light source apparatus includes: the stereoscopic light source module 10 and the control module 11.
The three-dimensional light source module 10 includes two symmetrical three-dimensional light source components, so as to perform three-dimensional lighting on two ends of the detected object, such as bipolar lugs of a lithium battery, to simultaneously detect two ends of the detected object, instantly identify two marking positions, and not need to move the detected object or the light source back and forth, thereby improving efficiency. In addition, referring to fig. 2, in the embodiment of the present invention, each of the three-dimensional light source assemblies includes a preset number of light emitting channels arranged in a U-shaped ring, and the preset number of light emitting channels are attached to an inner wall of the U-shaped light source structure of the three-dimensional light source assembly. Wherein, the light-emitting channel may be an LED lamp. Compared with the traditional round light source structure, the U-shaped light source structure has the advantages that the holes are enlarged, and accordingly lenses with more sizes can be matched.
Preferably, referring to fig. 3, in the embodiment of the present invention, each three-dimensional light source assembly includes 42 light emitting channels arranged in a U-shaped ring, so that the three-dimensional light source module 10 can achieve 84 individually controlled light emitting channels, and more light emitting modes can be edited, which is suitable for more application scenarios. The luminous channels are uniformly distributed or unevenly distributed and attached to the inner wall of the U-shaped light source structure according to requirements, luminous parameters of each path of luminous channels can be edited according to specific requirements, defects of objects to be detected in different types and different positions can be detected according to different luminous parameters and luminous channels in different positions, the heights between the U-shaped light source structure and the irradiated surface of the objects to be detected are adjustable, and multi-angle irradiation of the irradiated objects is achieved.
Furthermore, in the embodiment of the invention, the aluminum substrate with high heat conductivity coefficient is used as a carrier of the light-emitting channel, so that the welding strength can be improved, meanwhile, the heat dissipation of the light-emitting channel is facilitated by adopting the heat dissipation glue with high heat conductivity system, less heat is generated, less electric power is consumed, the high-temperature resistance is good, meanwhile, the LEDs are reasonably distributed in an annular equal proportion, and the uniformity of lamplight can be improved very well by selecting the light-emitting angle of the light-emitting channel.
The control module 11 includes a control circuit and control software, wherein the control circuit is used for controlling the light-emitting channels to emit light, and the control software is used for selecting the number of light-emitting paths of the light-emitting channels and adjusting the light-emitting parameters of the light-emitting channels according to the object to be detected.
In the embodiment of the present invention, the control module 11 selects the number of light emitting paths of the light emitting channel and adjusts the light emitting parameters of the light emitting channel according to the object to be detected, and the control circuit controls the light emitting channel to emit light according to the number of light emitting paths and the light emitting parameters. The control circuit can independently control the luminous parameters of any one or more luminous channels in the three-dimensional light source module, can randomly combine the luminous channels to emit light according to the luminous channel number, and is widely suitable for detecting different defect types and different defect positions of various detection objects by different visual detection systems without replacing the light source again.
In the embodiment of the invention, the control module 11 can adopt a high-frequency and high-memory chip, the running speed is high, the stability is high, and the control module 11 can be connected with the PC end through a serial port. And opening corresponding upper computer software at the PC end, selecting a corresponding port and baud rate, clicking and setting corresponding luminous channel number and brightness on a software interface, combining the configured different luminous channel numbers, brightness and the like to generate different lighting combinations, analyzing data according to a communication protocol to generate corresponding control instructions, and issuing the corresponding control instructions to the editable multi-angle light source equipment for bipolar ear detection through the serial port so as to control the editable multi-angle light source equipment to switch light source channels to control the light source brightness, thereby being more convenient for integrating the light source into a bipolar ear area of the lithium battery.
In one embodiment of the invention, the image to be detected under the current lighting parameters can be displayed in real time in the corresponding upper computer software of the PC end, so that the lighting parameters and the number of light emitting channels can be conveniently and timely adjusted.
In one embodiment of the invention, the three-dimensional light source module interacts with the control software in real time, so that mode setting, luminous channel number setting, luminous parameter setting and defect picture of an object to be detected can be realized. Through real-time interaction of the control software and the upper computer software, different types of defect detection can be realized by matching with a deep learning defect recognition algorithm.
In a preferred embodiment, any one of the light-emitting channels includes: red light emitting unit, green light emitting unit, blue light emitting unit, (CIE) a light emitting unit, (CIE) D50 light emitting unit, and (CIE) D65 light emitting unit.
Further, the control software adjusts the flicker frequency of any one light-emitting unit of the light-emitting channel according to the shooting frequency of the preset camera, so that energy can be saved and the service life of the light-emitting unit can be prolonged. For example, the control software may adjust the flicker frequency of any one of the red light emitting unit, the green light emitting unit, the blue light emitting unit, the (CIE) a light emitting unit, the (CI E) D50 light emitting unit, and the (CI E) D65 light.
In a preferred embodiment, the light emitting parameters of the light emitting channel include: luminance and color temperature of light emission.
The control software adjusts the light emitting parameters of the light emitting channel by adopting the following method:
selecting the number of light-emitting paths of the light-emitting channel according to the position of the object to be detected;
acquiring exposure parameters of a preset camera;
and adjusting the luminous brightness and the luminous color temperature of the luminous channel according to the exposure parameters and the defect type of the object to be detected.
In the embodiment of the invention, the light-emitting brightness, the light-emitting color temperature and the flicker frequency of the three-dimensional light source module 10 are adjusted by matching with the exposure parameters and the flicker frequency of the preset camera, so that the preset camera takes a clear picture of the object to be detected.
As shown in the black area of fig. 4, in one embodiment of the present invention, the control module 11 controls the red light emitting units of the 17 th, 18 th, 19 th, 20 th, 21 st, 22 th, 23 th and 24 th light emitting channels to be turned on, so as to present an annular light source effect.
As shown in the black area of fig. 5, in another embodiment of the present invention, the control module 11 controls the (CI E) D50 light emitting units of the 17 th, 18 th, 19 th, 20 th, 21 st, 22 nd, 23 th, 24 th, 25 th, 26 th, 27 th, 30 th, 31 th, 32 th, 33 th, 34 th, 35 th, 38 th, 39 th, 40 th, 41 th, 42 th, 43 th, 46 th, 47 th, 48 th light emitting channels to be lighted, exhibiting a dome light source effect.
As shown in the black area of fig. 6, in another embodiment of the present invention, the control module 11 controls the blue light emitting units of the 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th, 12 th, 13 th, 14 th, 15 th and 16 th light emitting channels to be turned on, so as to exhibit a four-sided light source effect.
As shown in the black area of fig. 7, in another embodiment of the present invention, the control module 11 controls the blue light emitting units of the 1 st, 2 nd, 3 nd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th, 12 th, 13 th, 14 th, 15 th, 16 th, 17 th, 18 th, 19 th, 20 th, 21 th, 22 th, 23 th, 24 th, 25 th, 26 th, 27 th, 30 th, 31 th, 32 th, 33 th, 34 th, 35 th, 38 th, 39 th, 40 th, 41 th, 42 th, 43 th, 46 th, 47 th, 48 th light emitting channels to be lighted, which is presented as a combination effect of the four-sided light source and the dome light source.
Further, fig. 8 illustrates a schematic cross-sectional view of a light-emitting channel according to an embodiment of the present invention. The angle of each light-emitting channel with the horizontal plane ranges from 4.5 ° to 60 °.
Further, the control module also comprises a storage unit for storing the number of the luminous paths of the luminous channel, the luminous parameters and the labels of the corresponding objects to be detected.
Specifically, when the number of light-emitting paths and the light-emitting parameters of the light-emitting channel meet the detection requirement, the number of light-emitting paths and the light-emitting parameters of the light-emitting channel and the labels of the corresponding objects to be detected are stored in the storage unit. In the subsequent detection, the number of the luminous paths and the luminous parameters of the luminous channel can be automatically called, and the object to be detected is detected.
In a preferred embodiment, the control circuit comprises: RS232 communication interface circuit, MCU microcontroller, PWM modulation circuit and MOS pipe switch circuit. The control circuit can also comprise a power supply conversion circuit which converts 220V mains supply into voltage corresponding to the MCU microcontroller.
In one embodiment of the invention, the RS232 communication interface circuit transmits the number of light emitting paths and the light emitting parameters set by the control software to the MCU, and the MCU analyzes the number of light emitting paths and the light emitting parameters, controls the PWM modulation circuit to generate a PWM value according to the analysis result, and inputs the PWM value to the MOS switch circuit to control the three-dimensional light source module to emit light.
According to the editable multi-angle light source device for bipolar ear detection, the light emitting parameters of each path of light emitting channel can be edited according to the object to be detected, so that multi-angle lighting of different objects to be detected is realized, two ends of the object to be detected can be detected simultaneously by utilizing the two three-dimensional light source assemblies, the object to be detected or a light source does not need to be moved back and forth, the three-dimensional light source assemblies adopt U-shaped holes, lenses with more sizes can be matched, and efficiency is improved.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the system claims can also be implemented by means of software or hardware by means of one unit or means. The terms first, second, etc. are used to denote a name, but not any particular order.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. An editable multi-angle light source device for bipolar ear detection, the editable multi-angle light source device comprising:
the three-dimensional light source module comprises two three-dimensional light source assemblies which are bilaterally symmetrical, each three-dimensional light source assembly comprises a preset number of light-emitting channels which are distributed in a U-shaped ring, and the preset number of light-emitting channels are attached to the inner wall of a U-shaped light source structure of the three-dimensional light source assembly;
the control module comprises a control circuit and control software, wherein the control circuit is used for controlling the luminous channels to emit light, and the control software is used for selecting the luminous paths of the luminous channels and adjusting the luminous parameters of the luminous channels according to the object to be detected.
2. The editable multi-angle light source device of claim 1, wherein each of the stereoscopic light source assemblies includes 42 light emitting channels.
3. The editable multi-angle light source apparatus according to claim 2, wherein any one of the light emitting channels includes: red light emitting unit, green light emitting unit, blue light emitting unit, (CIE) a light emitting unit, (CIE) D50 light emitting unit, and (CIE) D65 light emitting unit.
4. The editable multi-angle light source apparatus according to claim 3, wherein the control software adjusts a flicker frequency of any one of the light emitting units of the light emitting channel according to a photographing frequency of a preset camera.
5. The editable multi-angle light source device according to claim 1, wherein the light emitting parameters of the light emitting channel include: luminance and color temperature of light emission.
6. The editable multi-angle light source apparatus according to claim 5, wherein the selecting the number of light emitting paths of the light emitting channel and adjusting the light emitting parameters of the light emitting channel according to the object to be detected includes:
selecting the number of light-emitting paths of the light-emitting channel according to the position of the object to be detected;
acquiring exposure parameters of a preset camera;
and adjusting the luminous brightness and the luminous color temperature of the luminous channel according to the exposure parameters and the defect type of the object to be detected.
7. The editable multi-angle light source device of claim 1, wherein the control module further comprises:
and the storage unit is used for storing the number of the luminous paths of the luminous channel, the luminous parameters and the labels of the corresponding objects to be detected.
8. The editable multi-angle light source device according to claim 1, wherein the angle of the light emitting channel with respect to the horizontal plane is in the range of 4.5 ° to 60 °.
9. The editable multi-angle light source device according to claim 1, wherein the control circuit includes: RS232 communication interface circuit, MCU microcontroller, PWM modulation circuit and MOS pipe switch circuit.
10. The editable multi-angle light source apparatus according to claim 1, wherein the light emitting channel uses an aluminum substrate as a carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311533034.2A CN117451629A (en) | 2023-11-17 | 2023-11-17 | Editable multi-angle light source equipment for bipolar ear detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311533034.2A CN117451629A (en) | 2023-11-17 | 2023-11-17 | Editable multi-angle light source equipment for bipolar ear detection |
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| CN117451629A true CN117451629A (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311533034.2A Pending CN117451629A (en) | 2023-11-17 | 2023-11-17 | Editable multi-angle light source equipment for bipolar ear detection |
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| CN (1) | CN117451629A (en) |
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