CN216283647U - Combined light source for product detection - Google Patents
Combined light source for product detection Download PDFInfo
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- CN216283647U CN216283647U CN202122028890.5U CN202122028890U CN216283647U CN 216283647 U CN216283647 U CN 216283647U CN 202122028890 U CN202122028890 U CN 202122028890U CN 216283647 U CN216283647 U CN 216283647U
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Abstract
The utility model discloses a combined light source for product detection, which comprises a lower light source and an upper light source, wherein the lower light source adopts a backlight source, is positioned below a product during product detection and is used for illuminating the back of the product to detect the outline of the product, and the upper light source adopts a surface light source, is positioned above the product during product detection and is used for illuminating the front of the product to detect the existence, position and size of components on the surface of the product. The utility model adopts the polishing mode of the surface light source to detect the existence, the position and the size of the part on the product; the backlight source polishing mode is adopted to detect the outline of the product, the two polishing modes are combined, the detection on the existence, the position and the size of components on the product and the outline of the product is realized, the detected product has more characteristics, and the method can be used for screening the product or screening the product.
Description
Technical Field
The utility model belongs to the technical field of product detection, and particularly relates to a combined light source for product detection.
Background
At present, machine vision is widely applied to product quality detection, and simply speaking, the machine vision is to use a machine to replace human eyes for measurement and judgment. The machine vision system converts the shot target into image signals through a machine vision product (namely an image acquisition device which is divided into a CMOS (complementary metal oxide semiconductor) product and a CCD (charge coupled device) product), transmits the image signals to a special image processing system to obtain the form information of the shot target, converts the form information into digital signals according to the information of pixel distribution, brightness, color and the like, performs various operations on the signals by the image system to extract the characteristics of the target, and further controls the on-site equipment action according to the judgment result. When the machine vision is used for product detection, products need to be polished, the polishing modes are various at present, and the detection targets are different. If different polishing modes are combined, the detection content which can be realized is richer, and the detection target is easier to realize. The method is not limited to a polishing mode, and a single detection target is realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a combined light source for product detection, which can detect the outline of a product, and the existence, the position and the size of a part on the product.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a product detects uses combination light source, includes light source and last light source down, the light source adopts the backlight down, when detecting the product, is located the product below for illuminate the product back and detect the appearance profile of product, goes up the light source and adopts the area source, when detecting the product, is located the product top, is used for illuminating the product and openly detect product surperficial part existence, position and size.
Preferably, the surface light source is one and is located right above the product to be detected, and at this time, a lens of the image capturing device for detecting the product is fixed at the center of the surface light source.
Preferably, the two surface light sources are respectively arranged on the front side and the rear side or the left side and the right side above the detected product.
Preferably, the number of the surface light sources is four, and the four surface light sources are respectively arranged on the front side, the rear side and the left side and the right side above the detected product.
Furthermore, the surface light source is fixed on the adjusting mechanism and symmetrically arranged.
Preferably, the surface light source is an LED surface light source.
Preferably, the backlight source is an LED surface light source.
Further, the adjusting mechanism comprises a height adjusting mechanism and an angle adjusting mechanism.
Furthermore, the height adjusting mechanism is an electric telescopic rod, and the angle adjusting mechanism is an electric 360-degree rotary table.
Further, the image acquisition device is any one of a camera, a video camera, a camera and an image collector.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model adopts the polishing mode of the surface light source to detect the existence, the position and the size of the part on the product; the backlight source polishing mode is adopted to detect the outline of the product, the two polishing modes are combined, the detection on the existence, the position and the size of components on the product and the outline of the product is realized, the detected product has more characteristics, and the method can be used for screening the product or screening the product.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural view of example 2 of the present invention;
FIG. 3 is a schematic structural diagram of example 3 of the present invention;
wherein: 1. image acquisition equipment, 2, backlight, 3, product, 4, area source, 5, electric telescopic handle, 6, electronic 360 degrees revolving stages.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings:
the utility model relates to a combined light source for product detection, which adopts a mode of combining a lower light source (backlight source) and an upper light source (surface light source) to realize the detection of the external contour, the existence of components, the position, the size and the like of a product.
Example 1
As shown in fig. 1, the combined light source of this embodiment includes a lower light source and an upper light source, the lower light source employs a backlight source 2, and is located below a product 3 for illuminating the back of the product to detect the outline of the product, and the upper light source employs a surface light source 2, and is located above the product for illuminating the front of the product to detect the presence, position and size of components on the surface of the product.
The area light source 4 described in this embodiment is located right above the product to be inspected, and in order to collect an image of the product, at this time, a lens of an image collecting device for detecting the product is fixed in the center of the area light source, so as to obtain a clear product appearance outline, a position and a size of a component on the product, and the like. Preferably, the surface light source is an LED surface light source, and the backlight source is an LED surface light source.
The image acquisition device described in this embodiment may be any one of a camera, a video camera, and an image acquirer. The present embodiment employs a camera.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that: the two surface light sources are respectively arranged on the front side and the rear side or the left side and the right side above the detected product. The image acquisition equipment is positioned right above the product.
Example 3
As shown in fig. 3, the present embodiment is different from embodiment 2 in that: the embodiment further comprises an adjusting mechanism, and the surface light sources are fixed on the adjusting mechanism and symmetrically arranged. In order to ensure that the obtained image is clear, the irradiation angle of the surface light source is critical, and in order to enable the irradiation angle of the surface light source to be adjustable, the surface light source is fixed on an adjusting mechanism, and the adjusting mechanism at least comprises a height adjusting mechanism and an angle adjusting mechanism. For the embodiment, the height adjusting mechanism adopts an electric telescopic rod 5, and the angle adjusting mechanism adopts an electric 360-degree rotary table 6. Of course, the height adjusting mechanism can also adopt a manual telescopic rod, a manual folding height adjusting mechanism and the like, and the angle adjusting mechanism can also adopt a universal ball adjusting mechanism or an angle rotating and swinging mechanism and the like. The position angle of the surface light source above the product is adjusted, so that light irradiated on the product to be detected is vertical to the image acquisition equipment after being reflected, and clear image acquisition is ensured.
Example 4
This example differs from example 3 in that: the four surface light sources are respectively arranged on the front side, the rear side and the left side and the right side above the detected product. The front side and the back side are symmetrically arranged, the left side and the right side are symmetrically arranged, and the image acquisition equipment is positioned right above the product.
Claims (10)
1. A combined light source for product detection is characterized in that: the device comprises a lower light source and an upper light source, wherein the lower light source adopts a backlight source, is positioned below a product when detecting the product and is used for illuminating the back of the product to detect the outline of the product, and the upper light source adopts a surface light source and is positioned above the product when detecting the product and is used for illuminating the front of the product to detect the existence, position and size of a part on the surface of the product.
2. The combination light source for product inspection as set forth in claim 1, wherein: the area light source is one and is positioned right above the detected product, and at the moment, a lens of the image acquisition equipment for detecting the product is fixed in the center of the area light source.
3. The combination light source for product inspection as set forth in claim 1, wherein: the two surface light sources are respectively arranged on the front side and the rear side or the left side and the right side above the detected product.
4. The combination light source for product inspection as set forth in claim 1, wherein: the four surface light sources are respectively arranged on the front side, the rear side and the left side and the right side above the detected product.
5. The combined light source for product inspection according to claim 3 or 4, wherein: the surface light source is fixed on the adjusting mechanism and symmetrically arranged.
6. The combined light source for product inspection according to claim 5, wherein: the surface light source is an LED surface light source.
7. The combination light source for product inspection as set forth in claim 1, wherein: the backlight source is an LED area light source.
8. The combined light source for product inspection according to claim 5, wherein: the adjusting mechanism comprises a height adjusting mechanism and an angle adjusting mechanism.
9. The combination light source for product inspection as set forth in claim 8, wherein: the height adjusting mechanism is an electric telescopic rod, and the angle adjusting mechanism is an electric 360-degree rotary table.
10. The combined light source for product inspection according to claim 2, wherein: the image acquisition equipment is any one of a camera, a video camera, a camera and an image collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028890.5U CN216283647U (en) | 2021-08-26 | 2021-08-26 | Combined light source for product detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028890.5U CN216283647U (en) | 2021-08-26 | 2021-08-26 | Combined light source for product detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216283647U true CN216283647U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122028890.5U Active CN216283647U (en) | 2021-08-26 | 2021-08-26 | Combined light source for product detection |
Country Status (1)
| Country | Link |
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| CN (1) | CN216283647U (en) |
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2021
- 2021-08-26 CN CN202122028890.5U patent/CN216283647U/en active Active
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