CN217110832U - Light source device for product detection - Google Patents
Light source device for product detection Download PDFInfo
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- CN217110832U CN217110832U CN202220164218.0U CN202220164218U CN217110832U CN 217110832 U CN217110832 U CN 217110832U CN 202220164218 U CN202220164218 U CN 202220164218U CN 217110832 U CN217110832 U CN 217110832U
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Abstract
The embodiment of the utility model discloses a light source device for product detection, include: the opening surface light source is used for irradiating the product to be detected; the low-angle annular light source is used for irradiating the edge of the product to be detected; the surface light source with the opening is positioned above the low-angle annular light source; the shooting device is positioned above the surface light source with the opening; the shooting device shoots the product to be detected through the hole of the perforated surface light source. The utility model discloses a light source device for product detection is located the design of low angle annular light source's top through trompil face light source for a light source device has realized the purpose of multiple detection content.
Description
Technical Field
The utility model relates to a light source detection area especially relates to a light source device for product detection.
Background
In the current field of machine vision inspection, different detection purposes (such as detection of the existence, position and size of a product) are achieved by using different polishing modes. However, a light source device cannot be compatible with different detection purposes, and one set of light source device can only be used for detecting one purpose, which causes great resource waste (for example, a low-angle annular light source device can only be used for detecting the outline of a product to be detected, an opening surface light source device can only be used for detecting the position of the product to be detected, and not only the detection of the outline of the product to be detected but also the detection of the position of the product to be detected can be realized on one light source device).
How to avoid the above situation has become a technical problem to be solved urgently.
Disclosure of Invention
In order to solve the technical problem at least, the embodiment of the utility model provides a light source device for product detection is provided, is located the design of low angle annular light source's top through trompil face light source for a light source device has realized the purpose of multiple detection content.
In order to achieve the above object, an embodiment of the present invention provides a light source device for product detection, including:
the opening surface light source is used for irradiating the product to be detected;
the low-angle annular light source is used for irradiating the edge of the product to be detected;
the surface light source with the opening is positioned above the low-angle annular light source;
the shooting device is positioned above the surface light source with the opening;
the shooting device shoots the product to be detected through the hole of the perforated surface light source.
In some exemplary embodiments, the aperture plane light source, the low angle annular light source, and the photographing device have a common central axis.
In some exemplary embodiments, the aperture of the apertured surface light source is sized to fit within the lens of the camera.
In some exemplary embodiments, the light source device is used for detecting a product to be detected placed below the low-angle annular light source.
In some exemplary embodiments, the light of the apertured surface light source is perpendicular to the surface of the product to be inspected.
In some exemplary embodiments, the low angle annular light source has an included ray angle of not less than 120 degrees.
In some exemplary embodiments, the irradiation area of the aperture surface light source is larger than the surface area of the irradiated surface of the product to be detected.
In some exemplary embodiments, the product to be detected after being irradiated by the aperture surface light source presents a bright color on the photographing device.
In some exemplary embodiments, the aperture plane light source is used to detect the presence or absence of a product to be detected, the position of the product to be detected, and the size of the product to be detected.
In some exemplary embodiments, a low angle annular light source is used to detect the profile of the product to be inspected.
The utility model discloses a light source device for product inspection, include: the opening surface light source is used for irradiating the product to be detected; the low-angle annular light source is used for irradiating the edge of the product to be detected; the surface light source with the opening is positioned above the low-angle annular light source; the shooting device is positioned above the surface light source with the opening; the shooting device shoots the product to be detected through the hole of the perforated surface light source. Through the design that the opening surface light source is positioned above the low-angle annular light source, the purpose of various detection contents is realized by one light source device; the detected content is richer; the detected target becomes easier to realize; the complexity that different detection devices are required to be replaced for different detection purposes is avoided; the efficiency of detection is improved.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, reference will now be made briefly to the attached drawings, which are needed in the description of one or more embodiments or prior art, and it should be apparent that the drawings in the description below are only some of the embodiments described in the specification, and that other drawings may be obtained by those skilled in the art without inventive exercise.
Fig. 1 is a schematic front view of a light source device for product inspection according to an embodiment of the present invention;
fig. 2 is a schematic top view of a light source device for product inspection according to an embodiment of the present invention.
Description of reference numerals:
101/201-surface light source with holes; 102/202-low angle ring light source; 103-a camera; 104/203-products to be tested.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
An embodiment of the utility model provides a light source device for product inspection, include:
the opening surface light source is used for irradiating the product to be detected;
the low-angle annular light source is used for irradiating the edge of the product to be detected;
the surface light source with the opening is positioned above the low-angle annular light source;
the shooting device is positioned above the surface light source with the opening;
the shooting device shoots the product to be detected through the hole of the perforated surface light source.
Example 1
Fig. 1 is a schematic view of a front view of a light source device structure for product detection, fig. 2 is a schematic view of a top view of a light source device structure for product detection, which is provided by the present invention, and fig. 1-2 will be combined to describe in detail the light source device for product detection.
The utility model discloses a light source device for product inspection, include: an apertured surface light source 101/201, a low angle annular light source 102/202, and a camera 103.
In some exemplary embodiments, aperture plane light source 101/201 is used to illuminate product 104/203 to be detected.
In some exemplary embodiments, a low angle annular light source 102/202 is used to illuminate the edge of the product 104/203 to be detected.
In some exemplary embodiments, aperture face light source 101/201 is positioned above low angle annular light source 102/202.
In some exemplary embodiments, camera 103 is positioned above aperture plane light source 101/201.
In some exemplary embodiments, aperture face light source 101/201 includes apertures.
In some exemplary embodiments, the camera 103 photographs the product 104/203 to be detected through the aperture of the apertured surface light source 101/201 (i.e., the lens of the camera 103 photographs the product 104/203 to be detected through the aperture of the apertured surface light source 101/201).
In some exemplary embodiments, camera 103 comprises a camera.
In some exemplary embodiments, aperture plane light source 101/201, low angle ring light source 102/202, and camera 103 have a common central axis.
In some exemplary embodiments, the lens of camera 103 is perpendicular to the aperture of aperture plane light source 101/201.
In some exemplary embodiments, the aperture of aperture plane light source 101/201 is sized to fit within the lens of camera 103 (i.e., the aperture of aperture plane light source 101/201 is just enough for the lens of camera 103 to enter, or the aperture of aperture plane light source 101/201 is sized slightly larger than the diameter of the lens of camera 103).
In some exemplary embodiments, the light source device is used to detect a product 104/203 to be detected that is placed under a low angle annular light source 102/202.
In some exemplary embodiments, the light of aperture face light source 101/201 is perpendicular to the surface of product 104/203 to be detected.
In some exemplary embodiments, the low angle ring light source 102/202 has an included angle of light rays of no less than 120 degrees (i.e., the included angle between the light rays of the low angle ring light source 102/202 and the light rays is no less than 120 degrees; alternatively understood as the included angle between each optical axis and the housing of the low angle ring light source 102/202 is no less than 60 degrees).
In some exemplary embodiments, the low angle annular light source 102/202 has an included angle of light that is less than 180 degrees.
In some exemplary embodiments, the height of the low angle annular light source 102/202 can be adjusted on-line, the included angle of the light rays of the low angle annular light source 102/202 including infinitely close to 180 degrees, i.e., the low angle annular light source 102/202 illuminates at an angle nearly perpendicular to the edge of the product 104/203 to be inspected.
In some exemplary embodiments, the low angle ring light source 102/202 lights up the edge of the product 104/203 to be detected when detecting, so the edge of the product 104/203 appears bright in the camera 103.
In some exemplary embodiments, the low angle annular light source 102/202 may highlight surface irregularities such as dust, dents, scratches, and the like.
In some exemplary embodiments, the low angle annular light source 102/202 may highlight slight height differences, such as etching, solder balls, and bumps.
In some exemplary embodiments, the area illuminated by aperture face light source 101/201 is greater than the surface area of the illuminated face of product 104/203 to be detected.
In some exemplary embodiments, the product 104/203 to be detected after illumination by aperture area light source 101/201 appears bright in color on camera 103.
In some exemplary embodiments, bright colors include white, milky white, and the like.
In some exemplary embodiments, aperture plane light source 101/201 is used to detect the presence or absence of product 104/203, the location of product 104/203, and the size of product 104/203 to be detected.
In some exemplary embodiments, a low angle annular light source 102/202 is used to detect the profile of the product 104/203 being detected.
In some exemplary embodiments, adopt the utility model discloses a light source device for product inspection for a light source device has realized the purpose of multiple detection content, makes the content that detects abundanter.
In some exemplary embodiments, adopt the utility model discloses a light source device for product inspection of embodiment has realized that a light source device can detect the outline profile that detects product 104/203, also can detect to the existence of detecting product 104/203, detect the position of product 104/203 and detect the size of product 104/203.
Claims (10)
1. A light source device for product inspection, comprising:
the opening surface light source is used for irradiating a product to be detected;
a low angle annular light source for illuminating the edge of the product to be detected;
the opening hole surface light source is positioned above the low-angle annular light source;
the shooting device is positioned above the opening area light source;
the shooting device shoots the product to be detected through the hole of the perforated surface light source.
2. The light source device according to claim 1, wherein the aperture surface light source, the low-angle annular light source, and the photographing device have a common central axis.
3. The light source device according to claim 2, wherein the aperture of the aperture surface light source is sized to fit a lens of the photographing device.
4. A light source device according to claim 3, wherein the light source device is used for detecting the product to be detected placed below the low-angle annular light source.
5. The light source device according to claim 4, wherein the light of the surface light source with the opening is perpendicular to the surface of the product to be detected.
6. The light source device of claim 5, wherein the low angle annular light source has an included angle of light of not less than 120 degrees.
7. The light source device according to claim 6, wherein an irradiation area of the opening-hole surface light source is larger than a surface area of an irradiated surface of the product to be inspected.
8. The light source device according to claim 7, wherein the product to be inspected after being irradiated by the opening area light source is bright in color at the photographing device.
9. The light source device according to claim 8, wherein the opening-hole surface light source is used for detecting the presence or absence of the product to be detected, the position of the product to be detected, and the size of the product to be detected.
10. The light source device according to claim 9, wherein the low angle annular light source is used for detecting the profile of the product to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220164218.0U CN217110832U (en) | 2022-01-20 | 2022-01-20 | Light source device for product detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220164218.0U CN217110832U (en) | 2022-01-20 | 2022-01-20 | Light source device for product detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217110832U true CN217110832U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220164218.0U Active CN217110832U (en) | 2022-01-20 | 2022-01-20 | Light source device for product detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217110832U (en) |
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2022
- 2022-01-20 CN CN202220164218.0U patent/CN217110832U/en active Active
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