CN218212692U - Scanning detection lamp box, optical scanning device and online optical detection equipment - Google Patents
Scanning detection lamp box, optical scanning device and online optical detection equipment Download PDFInfo
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- CN218212692U CN218212692U CN202222571505.6U CN202222571505U CN218212692U CN 218212692 U CN218212692 U CN 218212692U CN 202222571505 U CN202222571505 U CN 202222571505U CN 218212692 U CN218212692 U CN 218212692U
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Abstract
The utility model provides a scanning detection lamp house, optical scanning device and online optical detection equipment. The scanning detection lamp box comprises a box body, and a light outlet and a detection port are arranged on the box body. A side light source assembly, a positive light source assembly and a spectroscope are arranged in the box body; the two side light source assemblies are respectively arranged on two sides of the light outlet and used for irradiating the circuit board from two sides; the spectroscope is obliquely arranged between the light outlet and the detection port, and the light of the positive light source component is reflected by the spectroscope and then irradiates the circuit board. The light rays of the two side light source assemblies are used for irradiating the circuit board from the side surface respectively, and the diffuse reflection surface on the circuit board is detected; the light of the positive light source component is reflected by the spectroscope and then irradiates the circuit board, and is reflected by the surface of the circuit board and then imaged by the light outlet and the spectroscope, so that the scanning imaging of the surfaces of different materials is realized, and the detection requirement is met; the beam splitter can make part of the light pass through for scanning imaging while reflecting the light.
Description
Technical Field
The utility model relates to a circuit board detection area, in particular to scanning detection lamp house, optical scanning device and online optical detection equipment.
Background
A circuit board (PCB) belongs to precision equipment, and the quality reliability of the circuit board needs to be ensured, so that in the production and preparation process of the circuit board, the image scanning of the whole circuit board needs to be carried out by utilizing a camera, and whether the circuit board is qualified or not is detected. An online AOI (Automated Optical Inspection) apparatus can be used for Inspection of a circuit board. In order to accurately perform scanning detection, a lamp box is required to be arranged to polish the circuit board when image scanning is performed. However, the light box in the prior art can only provide a light source in a single direction, and is difficult to meet the detection requirements of different material surfaces of the circuit board.
SUMMERY OF THE UTILITY MODEL
The utility model provides a scanning detection lamp house, optical scanning device and online optical detection equipment can satisfy the detection demand on the different material surfaces of circuit board.
In a first aspect, the utility model provides a scanning detection lamp box, which comprises a box body, wherein the box body is provided with a light outlet facing a circuit board and a detection port arranged opposite to the light outlet;
a side light source assembly, a positive light source assembly and a spectroscope are arranged in the box body; the two side light source assemblies are respectively arranged on two sides of the light outlet and used for irradiating the circuit board from two sides;
the spectroscope is obliquely arranged between the light outlet and the detection port, and the spectroscope is far away from the light outlet relative to the side light source assembly;
the light of the positive light source component irradiates the spectroscope and is reflected by the spectroscope to irradiate the circuit board.
The scanning detection lamp box further comprises two side light-diffusing plates which are respectively arranged corresponding to the two side light source assemblies; the two side light-diffusing plates are arranged at intervals and are arranged to form a triangle with the light outlet.
Wherein the included angle between each side light-diffusing plate and the light outlet is 45 degrees.
The two side light source assemblies are respectively a first side light source assembly and a second side light source assembly;
the first side light source component comprises a first white light module and a first combined light module, the first white light module is used for emitting white light, and the first combined light module is used for emitting white light and infrared light;
the second side light source assembly comprises a second combined light module which is used for emitting white light and infrared light.
Under the condition that the scanning detection lamp box comprises two side light-diffusing plates, the side light-diffusing plate corresponding to the first side light source assembly is a first side light-diffusing plate, and the side light-diffusing plate corresponding to the second side light source assembly is a second side light-diffusing plate;
the first white light module is arranged right opposite to the first side light-diffusing plate and is positioned between the positive light source component and the first combined light module;
the light emitting direction of the second combined optical module is the same as the direction of the light outlet.
The scanning detection lamp box further comprises a positive light-diffusing plate, the positive light-diffusing plate is arranged corresponding to the positive light source assembly, and the positive light-diffusing plate is located between the spectroscope and the positive light source assembly.
The positive light source assembly comprises a second white light module and a third combined light module, wherein the second white light module is used for emitting white light, and the third combined light module is used for emitting white light and infrared light.
In a second aspect, the utility model provides an optical scanning device, including camera subassembly and aforementioned scanning detection lamp house, the camera subassembly is just right the detection mouth setting of scanning detection lamp house, just the camera lens orientation of camera subassembly the direction setting of detection mouth to light-emitting window.
In a third aspect, the present invention provides an online optical detection device, which includes the optical scanning apparatus mentioned above.
The online optical detection equipment also comprises more than two moving devices, wherein the two moving devices are arranged at intervals;
the number of the optical scanning devices is two, and the two optical scanning devices are respectively a first optical scanning device and a second optical scanning device; in the transmission direction of the moving device, the first optical scanning device and the second optical scanning device are arranged in a staggered mode; the first optical scanning device is positioned above the moving devices, and the second optical scanning device is positioned right below a gap between two adjacent moving devices.
The utility model provides a scanning detection lamp house, optical scanning device and online optical detection equipment, the light that utilizes two sidelight source subassemblies can shine the circuit board from the side respectively, can be used for detecting diffuse reflection surfaces such as the printing ink face on the circuit board; the light of the positive light source component is reflected by the spectroscope and then irradiates the circuit board, and is reflected by the surfaces of the circuit boards such as the metal surface and the like and then imaged by the light outlet and the spectroscope, so that the scanning imaging of the surfaces of the circuit board made of different materials can be realized, and the detection requirements of the surfaces of the circuit board made of different materials are met; the spectroscope can be with the light part reflection of positive light source subassembly to the circuit board, and the light that the circuit board reflects can partly pass the spectroscope and get into the camera array, and the spectroscope can make partial light pass in order to scan formation of image when carrying out the light reflection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of an online optical inspection apparatus according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a scanning detection light box according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or any order limitation.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, a preferred embodiment of the present invention provides an on-line optical inspection apparatus, which includes a moving device, an optical scanning device and a hole inspection device 300. The moving device is used for driving the circuit board 900 to move and pass through the optical scanning device and the hole inspection device 300; the optical scanning device can scan the circuit board 900 and scan and detect the surface of the circuit board 900; the hole inspection device 300 is used for detecting through holes on the circuit board 900.
In this embodiment, there are three motion devices, which are the first motion device 101, the second motion device 102, and the third motion device 103. The first movement device 101, the second movement device 102 and the third movement device 103 are arranged in sequence along the transmission direction. It is understood that the first motion device 101, the second motion device 102, and the third motion device 103 are motion devices, but they are located at different positions and have different names for the convenience of description. The motion device can be various linear transmission mechanisms, is beneficial to a belt conveying mechanism, a linear motor and the like, and can drive the circuit board 900 to move linearly to pass through the optical scanning device and the hole inspection device 300.
The hole inspection device 300 comprises a hole inspection light source 301 and a hole inspection camera 302, the hole inspection light source 301 and the hole inspection camera 302 are respectively arranged on two sides of the circuit board 900, and the hole inspection light source 301 and the hole inspection camera 302 are located in a gap between two adjacent motion devices, in the embodiment, the hole inspection light source 301 and the hole inspection camera 302 are located between the first motion device 101 and the second motion device 102.
When the circuit board 900 runs to the position of the hole inspection camera 302, light emitted by the hole inspection light source 301 enters the hole inspection camera 302 for imaging after passing through the through hole of the circuit board 900; the method is used for detecting the processing defects of hole blocking by ink, hole entering by tin beads, copper slag in the holes and the like, small hole and large hole, hole leakage, multiple holes and the like. Here, the inspection camera 302 is an all-in-one machine, and no lens is required to be allocated.
In this embodiment, two optical scanning devices are provided for scanning and detecting the front and back surfaces of the circuit board 900. For convenience of description, the two optical scanning devices are a first optical scanning device 201 and a second optical scanning device 202, respectively, the first optical scanning device 201 is located at the front side of the circuit board 900 and is used for scanning and detecting the front side of the circuit board 900, and the second optical scanning device 202 is located at the back side of the circuit board 900 and is used for scanning and detecting the back side of the circuit board 900.
In order to cooperate with the two optical scanning devices to scan and detect the circuit board 900, the first optical scanning device 201 is located above the moving devices, and the second optical scanning device 202 is located right below the gap between two adjacent moving devices. The first optical scanning device 201 may be located above any one of the three moving devices, or above a gap between any two of the three moving devices, and it is sufficient that it can scan and image the front surface of the circuit board 900. The second optical scanning device 202 is located right below the gap between the second moving device 102 and the third moving device 103 to scan and image the reverse side of the circuit board 900 by using the gap.
During optical scanning detection, the circuit board 900 is placed on the motion device with its front side facing upward and the circuit board 900 with its back side facing the motion device. The first optical scanning device 201 located above the moving device can perform scanning detection on the front surface of the circuit board 900. When the circuit board 900 is driven by the moving devices to move to the gap between two adjacent moving devices, that is, to move to the position right below the gap between the second moving device 102 and the third moving device 103, the reverse side of the circuit board 900 is exposed, and the second optical scanning device 202 located below the gap can scan and detect the reverse side of the circuit board 900.
In the transmission direction of the moving device, i.e. the moving direction of the circuit board 900, the first optical scanning device 201 and the second optical scanning device 202 are arranged in a staggered manner, so as to prevent the light generated by the two optical scanning devices from generating interference to the optical scanning device on the other side through the through hole on the circuit board 900.
In this embodiment, three moving devices are used for the purpose of performing the hole inspection and the inspection of the surface of the circuit board 900, and here, when the hole inspection is not required, only two moving devices may be used. In this embodiment, the two optical scanning devices are adopted to simultaneously scan and detect the front and back sides of the circuit board 900, and as another embodiment, only one optical scanning device and one moving device may be adopted to scan the front and back sides of the circuit board 900 one by one. As can be seen from the above, there may be more than two moving devices, two adjacent moving devices are spaced apart, and the second optical scanning device 202 is located below the gap between the adjacent moving devices, so as to scan and image the reverse side of the circuit board 900.
The first optical scanning device 201 and the second optical scanning device 202 have the same structure, and the structural features of the first optical scanning device 201 will be described below as an example.
As shown in fig. 1, the first optical scanning device 201 includes a scanning detection lamp box 2 and a camera assembly 1. As shown in fig. 2, the scanning inspection lamp box 2 includes a box body 21. The case 21 is provided with a light exit 211 facing the circuit board, and a detection port 212 provided opposite to the light exit 211. More specifically, the case 21 has a substantially rectangular shape, and the light exit 211 and the detection port 212 are provided in two opposing walls, respectively. Here, the case 21 may have another shape in order to facilitate attachment of the respective members in the case 21.
The camera assembly 1 is disposed opposite to the detection port 212 of the scanning detection lamp box 2, and the lens of the camera assembly 1 is disposed toward the direction from the detection port 212 to the light outlet 211. Further, the camera assembly 1 includes a line scanning lens 12 and an array camera 11, the line scanning lens 12 is located between the scanning detection lamp box 2 and the array camera 11, and light irradiated to the circuit board 900 from the lamp box 2 is reflected by the circuit board 900 and then enters the array camera 11 through the light outlet 211, the detection port 212 and the line scanning lens 12 in sequence, so as to perform imaging. Here, in other embodiments, the camera assembly may include only the array camera.
A first side light source assembly 22, a second side light source assembly 23, a positive light source assembly 24, and a beam splitter 25 are disposed in the box body 21. The first side light source assembly 22, the second side light source assembly 23 and the positive light source assembly 24 can be emitted to the circuit board 900 through the light outlet 211 of the box 21. The first side light source assembly 22 and the second side light source assembly 23 are side light source assemblies, and for convenience of description, different names are used, and the first side light source assembly 22 and the second side light source assembly 23 may have the same structure or different structures.
The first side light source assembly 22 and the second side light source assembly 23 are respectively disposed at two sides of the light outlet 211, and are used for irradiating the circuit board from two sides. The beam splitter 25 is obliquely disposed between the light outlet 211 and the detection port 212, and the light source assembly on the opposite side of the beam splitter 25 is away from the light outlet 211.
Light from the two side light assemblies can illuminate the circuit board from the sides, respectively, and can be used to detect the diffuse reflective surface on the circuit board 900. The diffuse reflection surfaces such as the ink surface on the circuit board 900 can diffuse the light, the reflected light sequentially passes through the light outlet 211, the spectroscope 25 and the line scanning lens 12 to reach the array camera 11, and the array camera 11 captures an image to scan and image the ink surface for detection. The number of the side light source assemblies is two, the circuit board can be irradiated from two sides respectively, scanning imaging is carried out by the array camera 11 respectively, circuit board imaging under different side illumination can be compared and detected, and whether the surface of the circuit board is parallel and level or not and whether concave-convex exists or not is determined according to a surface shadow image of the circuit board.
The light from the positive light source assembly 24 is emitted to the beam splitter 25, reflected by the beam splitter 25 and then irradiated to the circuit board. The positive light source assembly 24 is mainly used for detecting specular reflection surfaces such as metal surfaces. The metal surface is smooth, and the light of the side light source assembly can be subjected to mirror reflection when passing through the metal surface and cannot be emitted to the light outlet 211, so that scanning is not easy to occur. The light of the positive light source assembly 24 is reflected by the beam splitter 25 and then irradiates the circuit board, that is, the light vertically irradiates the front surface of the circuit board 900, is reflected by the metal surface and then reaches the array camera 11 through the light outlet 211 and the beam splitter 25, and the array camera 11 captures an image to scan the metal surface for detection.
The utility model provides a scanning detects two sidelight source subassemblies in the lamp house can realize carrying out the light filling to diffuse reflection surfaces such as printing ink face, and the positive light source subassembly can realize carrying out the light filling to specular reflection surfaces such as metal covering, and then does benefit to the scanning formation of image to the different material surfaces of circuit board, satisfies the measuring demand to the different material surfaces of circuit board.
The beam splitter 25 can reflect part of the light of the positive light source assembly 24 to the circuit board 900, and part of the light reflected by the circuit board 900 can pass through the beam splitter 25 and enter the camera array, and the beam splitter 25 can reflect the light and simultaneously allow part of the light to pass through for scanning and imaging, so that scanning and imaging are facilitated.
The scanning detection lamp box 2 further includes a first side light diffusion plate 261 and a second side light diffusion plate 262, both the first side light diffusion plate 261 and the second side light diffusion plate 262 are side light diffusion plates, and different names are used for convenience of description, that is, the number of the side light diffusion plates is two. The two side light-diffusing plates are respectively arranged corresponding to the two side light source assemblies. In this embodiment, the side light-diffusing plate corresponding to the first side light source assembly 22 is a first side light-diffusing plate 261, and the side light-diffusing plate corresponding to the second side light source assembly 23 is a second side light-diffusing plate 262. Through setting up first side diffusion sheet 261 and second side diffusion sheet 262, can form the line source that each position light intensity is even relatively with the light of first side light source subassembly 22 and second side light source subassembly 23 to do benefit to the detection to circuit board 900, avoid the erroneous judgement that each position light intensity difference leads to.
The first side light-diffusing plate 261 and the second side light-diffusing plate 262 are arranged at an interval, and are arranged in a triangle with the light outlet 211. The first side light-diffusing plate 261 and the second side light-diffusing plate 262 are arranged at intervals, so that light reflected by the circuit board 900 can be emitted to the detection port 212 through a gap between the two side light-diffusing plates, and shielding of the side light-diffusing plates on scanning imaging is avoided. The first side light-diffusing plate 261, the second side light-diffusing plate 262 and the light outlet 211 are arranged in a triangle, so that the light rays of the first side light source assembly 22 and the second side light source assembly 23 can be better emitted outwards from two sides of the light outlet 211.
The contained angle between first side diffusion sheet 261 and the light-emitting port 211 is 45, and the contained angle between second side diffusion sheet 262 and the light-emitting port 211 is 45, and the contained angle between each side diffusion sheet and the light-emitting port 211 is 45 promptly, can make the light of first side light source subassembly 22 and second side light source subassembly 23 be the oblique top directive circuit board at 45 jiaos, does benefit to the circuit board and reflects light to light-emitting port 211, detection mouth 212 department, and then does benefit to the scanning and shoots.
In the present embodiment, the first side light source assembly 22 and the second side light source assembly 23 have different structures, and the two will be described in detail below.
The first side light source assembly 22 includes a first white light module 221 and a first combined light module 222, wherein the first white light module 221 is used for emitting white light, and the first combined light module 222 is used for emitting white light and infrared light. When the first white light module 221 is independently activated, the first side light source assembly 22 emits white light from the side toward the circuit board 900, and the surface of the circuit board 900 can be scanned and detected. When the first combined light module 222 is independently activated, the first side light source assembly 22 emits white light and infrared light from the side toward the circuit board 900; the exposed surface of the circuit board 900 can be scanned and detected by using white light; the metal surface under the ink surface can be detected by infrared light through the ink surface. When the first white light module 221 and the first combined light module 222 are started simultaneously, compared with the light intensity when the first white light module 221 is started alone, the concave-convex degree of the surface of the circuit board 900 can be judged by comparing the images of the surface of the circuit board 900 under two light intensities so as to determine whether the concave-convex degree is within the allowable range.
The second side light source assembly 23 includes a second combined light module 231, and the second combined light module 231 is used for emitting white light and infrared light. The second combined optical module 231 may irradiate from the other side of the circuit board 900, and the scanned image under the condition may be compared with the scanned image under the irradiation of the first side light source assembly 22, so as to further determine whether the concave-convex condition of the surface of the circuit board 900 is within the allowable range.
The first white light module 221 is disposed opposite to the first side light-diffusing plate 261, and the first white light module 221 is located between the positive light source assembly 24 and the first combined light module 222. The first white light module 221 is disposed opposite to the first side light-diffusing plate 261, so that the white light of the first white light module 221 is entirely emitted to the first side light-diffusing plate 261. The first white light module 221 is located between the positive light source assembly 24 and the first combined light module 222, so that the first combined light module 222 is relatively far away from the positive light source assembly 24, and the interference to the positive light source assembly 24 is avoided. The first combined light module 222 may be parallel to a horizontal wall of the box to facilitate the assembly connection between the first combined light module 222 and the box 21.
The light emitting direction of the second combined light module 231 is the same as the direction of the light outlet 211. As shown in fig. 2, the light outlet 211 is disposed downward, and the light outlet direction of the second combined light module 231 is also disposed downward, so that the second combined light module 231 can be parallel to a vertical wall of the box body for fixed connection, thereby facilitating the fixed connection between the second combined light module 231 and the box body 21.
The scanning detection lamp box 2 further comprises a positive light-diffusing plate 263, the positive light-diffusing plate 263 is arranged corresponding to the positive light source assembly 24, and the positive light-diffusing plate 263 is located between the spectroscope 25 and the positive light source assembly 24. The light forms a linear light source with relatively uniform light intensity at each position, and the linear light source is reflected to the light outlet 211 by the beam splitter 25, so as to facilitate the detection of the circuit board 900.
The positive light source assembly 24 includes a second white light module 241 and a third combined light module 242, the second white light module 241 is used for emitting white light, and the third combined light module 242 is used for emitting white light and infrared light. By the cooperation of the positive light source assembly 24 and the spectroscope 25, a light source irradiating the circuit board 900 can be provided, so that the metal surface on the circuit board 900 can be scanned and imaged. The white light of the second white light module 241 can be used to scan and image the exposed metal surface of the circuit board 900 directly, and the infrared light of the third combined light module 242 can be used to scan and image the metal surface of the circuit board 900 hidden under the ink. The white light combination of the second white light module 241 and the third combined light module 242 may form white light having different light intensities, and the degree of unevenness of the surface of the circuit board 900 may be detected by image contrast under strong and weak light to determine whether it is within an allowable range.
The light emitting surface of the second white light module 241, the light emitting surface of the third combined light module 242, and the front light-diffusing plate 263 are arranged in a triangle, so that the second white light module 241 and the third combined light module 242 can emit light to the front light-diffusing plate 263 well.
The utility model provides a scanning detection lamp house 2 utilizes the cooperation of a plurality of white light modules and a plurality of combination optical module, can realize the light filling to the surperficial multi-angle of circuit board 900 and the different material faces of printing ink face and metal covering.
The scanning of the ink side on the circuit board 900 is performed as follows.
First, the first white light module 221 may be independently turned on, the first white light module 221 emits white light, the white light is irradiated to the circuit board 900 from the left side upward after passing through the first side light-diffusing plate 261, the white light may be diffusely reflected by the ink surface on the circuit board 900, and a part of the white light may enter the camera array through the light outlet 211, the spectroscope 25 and the detection port 212, so as to realize scanning imaging of the ink surface under a weak white light on one side.
Then, the second combined light module 231 can be independently turned on, and by using the white light of the second combined light module 231, scanning imaging of the ink surface under the condition of weaker white light on the right side can be realized. And (4) determining whether the ink surface has concave-convex parts or not by utilizing scanning imaging under weak white light twice.
The first white light module 221 and the first combined light module 222 are turned on at the same time, and the white light emitted by the first side light source assembly 22 can be enhanced by the white light of the first combined light module 222, so as to realize scanning imaging of the ink surface under the condition of stronger white light. Whether the ink surface has the concave-convex can be detected by utilizing three times of scanning imaging, the concave-convex degree can be detected through comparison between scanning imaging under strong and weak white light, and whether the concave-convex is in an allowable range is further judged.
The process of scanning the metal surface on the circuit board 900 is as follows.
The second white light module 241 can be independently started firstly, white light is emitted by the second white light module 241 and is emitted to the spectroscope 25 after passing through the first side light-diffusing plate 261, partial white light is reflected by the spectroscope 25 and is vertically emitted to the circuit board 900, the white light can be reflected by the metal surface on the circuit board 900, and the reflected white light can enter the array camera through the light outlet 211, the spectroscope 25 and the detection port 212, so that scanning imaging of the metal surface under weak white light is realized.
Meanwhile, the second white light module 241 and the third combined light module 242 are turned on, and relatively strong white light can be formed by combining the white light of the third combined light module 242 and the second white light module 241, so that scanning imaging of the metal surface under the strong white light is realized. Whether the metal surface has the concave-convex can be detected by utilizing two times of scanning imaging, the concave-convex degree can be detected through comparison between the scanning imaging under strong and weak white light, and then whether the concave-convex is in an allowable range is judged.
The process of scanning the metal surface covered under the ink is as follows.
The first combined optical module 222 or the second combined optical module 231 is separately turned on to irradiate the circuit board 900 from the side, if there is a concave-convex portion on the metal surface under the ink, the concave-convex portion can reflect the infrared light to the light outlet 211, and the array camera 11 can scan the infrared image under the light of the light source to determine whether there is a concave-convex portion.
The third combined optical module 242 is independently opened, the circuit board 900 is irradiated from the front side, the array camera 11 forms infrared imaging under front side illumination, the infrared imaging under front side illumination is compared with infrared imaging under two side lights, the concave-convex degree of the metal surface covered under the ink can be detected, and whether the concave-convex degree is within an allowable range is further judged.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.
Claims (10)
1. A scanning detection lamp box is characterized by comprising a box body, wherein a light outlet facing a circuit board and a detection port opposite to the light outlet are formed in the box body;
a side light source assembly, a positive light source assembly and a spectroscope are arranged in the box body; the two side light source assemblies are respectively arranged on two sides of the light outlet and used for irradiating the circuit board from two sides;
the spectroscope is obliquely arranged between the light outlet and the detection port, and the spectroscope is far away from the light outlet relative to the side light source assembly;
and light rays of the positive light source component irradiate to the spectroscope, are reflected by the spectroscope and then irradiate the circuit board.
2. The scanning lightbox of claim 1 further comprising two side light-diffusing panels disposed corresponding to the two side light source assemblies; the two side light-diffusing plates are arranged at intervals and are arranged to form a triangle with the light outlet.
3. The scanning and inspecting lamp box of claim 2, wherein the angle between each side diffuser and the light outlet is 45 °.
4. A scanning lightbox as claimed in any one of claims 1 to 3 wherein the two side light assemblies are a first side light assembly and a second side light assembly respectively;
the first side light source component comprises a first white light module and a first combined light module, the first white light module is used for emitting white light, and the first combined light module is used for emitting white light and infrared light;
the second side light source assembly comprises a second combined light module which is used for emitting white light and infrared light.
5. The scanning lightbox of claim 4, wherein, in the case that the scanning lightbox comprises two side light-diffusing plates, the side light-diffusing plate disposed corresponding to the first side light source assembly is a first side light-diffusing plate, and the side light-diffusing plate disposed corresponding to the second side light source assembly is a second side light-diffusing plate;
the first white light module is arranged right opposite to the first side light-diffusing plate and is positioned between the positive light source component and the first combined light module;
the light emitting direction of the second combined optical module is the same as the direction of the light outlet.
6. The scanning lightbox of claim 1, further comprising a front light-diffusing sheet disposed in correspondence with the front light source assembly, the front light-diffusing sheet being positioned between the beam splitter and the front light source assembly.
7. The scanning and detecting light box of claim 6, wherein the positive light source assembly comprises a second white light module and a third combined light module, the second white light module is used for emitting white light, and the third combined light module is used for emitting white light and infrared light.
8. An optical scanning device, comprising a camera component and the scanning and inspecting light box of any one of claims 1-7, wherein the camera component is disposed opposite to the inspecting opening of the scanning and inspecting light box, and the lens of the camera component is disposed toward the direction from the inspecting opening to the light-emitting opening.
9. An in-line optical inspection apparatus comprising the optical scanning device of claim 8.
10. The on-line optical inspection apparatus of claim 9 further comprising two or more moving devices, wherein two adjacent moving devices are spaced apart from each other;
the number of the optical scanning devices is two, and the two optical scanning devices are respectively a first optical scanning device and a second optical scanning device; in the transmission direction of the moving device, the first optical scanning device and the second optical scanning device are arranged in a staggered mode; the first optical scanning device is positioned above the moving devices, and the second optical scanning device is positioned right below a gap between two adjacent moving devices.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222571505.6U CN218212692U (en) | 2022-09-27 | 2022-09-27 | Scanning detection lamp box, optical scanning device and online optical detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222571505.6U CN218212692U (en) | 2022-09-27 | 2022-09-27 | Scanning detection lamp box, optical scanning device and online optical detection equipment |
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| CN218212692U true CN218212692U (en) | 2023-01-03 |
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| CN202222571505.6U Active CN218212692U (en) | 2022-09-27 | 2022-09-27 | Scanning detection lamp box, optical scanning device and online optical detection equipment |
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| CN (1) | CN218212692U (en) |
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2022
- 2022-09-27 CN CN202222571505.6U patent/CN218212692U/en active Active
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