CN210119454U - Laser bar detection device - Google Patents
Laser bar detection device Download PDFInfo
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- CN210119454U CN210119454U CN201920729911.6U CN201920729911U CN210119454U CN 210119454 U CN210119454 U CN 210119454U CN 201920729911 U CN201920729911 U CN 201920729911U CN 210119454 U CN210119454 U CN 210119454U
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Abstract
The application relates to a laser bar detection device, which comprises a light receiving device, a negative plate, a limiting device, a positive fixing plate and a probe array. The light receiving device includes an entrance port. The incident port is used for receiving the light emitted by the laser bars. The limiting device is arranged on the negative plate and used for limiting the laser bar, and the light emitting surface of the laser bar is opposite to the incident port. The positive fixing plate is detachably arranged on the negative plate. The probe array is arranged on the anode fixing plate. The probe array comprises a plurality of probes, and the probes are used for being in one-to-one corresponding contact with the anodes of the single tubes. The limiting device limits the placement position of the laser bar, so that the light emitting surface of the laser bar is opposite to the incident port, the position adjusting time of the laser bar is shortened, and the detection efficiency is improved.
Description
Technical Field
The application relates to the technical field of detection, in particular to a laser bar detection device.
Background
Semiconductor lasers and arrays thereof have been widely used in various fields such as industry, medical treatment, communication, military and the like due to their advantages of small size, light weight, high efficiency, low cost and the like. The laser bars are basic constituent units of the laser array, and can be used independently and further form linear arrays and stacked arrays. The semiconductor laser is packaged with a bar package and a single tube package. The laser bar package is formed by packaging a plurality of laser single tubes with edges side by side.
Surface damage and dirt of the laser bar affect the luminous efficiency and the service life of the laser bar. The problem that how to improve the surface detection efficiency of the laser bar is to be solved urgently is that the surface detection of the laser bar needs to be carried out before the laser bar leaves a factory.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide a laser bar inspection apparatus for solving the problem of how to improve the surface inspection efficiency of the laser bar.
A laser bar detection device is used for detecting the surface smoothness of a laser bar. The laser bar comprises a first surface, a second surface and a third surface, wherein the first surface is opposite to the third surface, and the second surface is arranged between the first surface and the third surface and is connected with the first surface and the third surface. The laser bar detection device comprises an image acquisition device, a control device and a position adjusting device.
The image acquisition device is provided with a first acquisition port, a second acquisition port and a third acquisition port. The control device is electrically connected with the image acquisition device and used for controlling the first acquisition port of the image acquisition device to acquire the first image of the first surface and generating position information according to the first image.
The position adjusting device is electrically connected with the control device and used for receiving the position information and adjusting the position of the laser bar according to the position information so that the second collecting port collects a second image of the second surface and the third collecting port collects a third image of the third surface. And the control device judges whether the smoothness of the first surface, the second surface and the third surface is qualified or not according to the first image, the second image and the third image.
In one embodiment, the position adjustment device comprises a drive device. The driving device is electrically connected with the control device. The control device is used for moving the laser bar from the first station to the second station by controlling the driving device according to the position information so as to enable the second acquisition port to acquire the second image, and the third acquisition port to acquire the third image.
In one embodiment, the position adjustment device further comprises a signal processing device. The signal processing device is electrically connected between the control device and the driving device. The signal processing device is used for receiving the position information and converting the position information into a current signal. The driving device moves the laser bar from the first station to the second station according to the current signal.
In one embodiment, the laser bar detection device further comprises an adsorption device. The adsorption device is fixed on the driving device. The adsorption device is electrically connected with the control device and used for adsorbing the laser bars through the first surface according to the position information.
In one embodiment, the drive device includes a base and a drive motor set. The adsorption device is fixed on the base. And an output shaft of the driving motor set is fixedly connected with the base. The driving motor set is electrically connected with the signal processing device. The driving motor set is used for receiving the current signal and adjusting the position of the base according to the current signal.
In one embodiment, the laser bar detection device further comprises a workbench. The workbench is provided with a first through hole, and the second station is over against the center of the first through hole.
In one embodiment, the laser bar detection device further comprises a mirror. The reflecting mirror is arranged on one side of the workbench deviating from the second station. The reflector is opposite to the first through hole and forms an angle with the workbench. The third acquisition port acquires the third image of the third surface through a reflector.
In one embodiment, a first groove is dug in the surface, away from the reflector, of the workbench, the first collecting port faces an opening of the first groove, and the first station is arranged on the bottom surface of the first groove.
In one embodiment, the laser bar detection device further includes a light-transmitting plate clamped in the first through hole.
In one embodiment, the image capture device further comprises an illumination device. The lighting device is sleeved on the first collecting opening.
The application provides a laser bar detection device, including image acquisition device, controlling means and position adjustment device. The image acquisition device is provided with a first acquisition port, a second acquisition port and a third acquisition port. The control device is electrically connected with the image acquisition device and used for controlling the first acquisition port of the image acquisition device to acquire the first image of the first surface and generating position information according to the first image. The position adjusting device is electrically connected with the control device. The position adjusting device is used for receiving the position information and adjusting the position of the laser bar according to the position information so that the second collecting port collects a second image of the second surface, and the third collecting port collects a third image of the third surface. And the control device judges whether the smoothness of the first surface, the second surface and the third surface is qualified or not according to the first image, the second image and the third image. The laser bar detection device realizes automatic adjustment of the position of the laser bar through the image acquisition device, the control device and the position adjustment device, reduces detection time of three surfaces of the laser bar, and improves detection efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the laser bar provided in another embodiment of the present application;
FIG. 2 is an electrical schematic diagram of the laser bar detection device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of the laser bar detection device provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a part a of the laser bar detection device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of the laser bar detection device provided in another embodiment of the present application;
fig. 6 is an electrical connection diagram of the laser bar detection device provided in an embodiment of the present application.
Reference numerals:
laser bar detection device 200
The laser bar 100
The second collecting port 621
Third collecting port 631
First image acquisition component 610
Second image acquisition component 620
Third image acquisition component 630
Driving device 710
Drive motor group 712
Y-axis driving motor 714
Z-axis drive motor 715
X-Y surface corner motor 716
Working table 910
First via 911
Light-transmitting plate 913
Second groove 914
Reflecting mirror 920
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the embodiments disclosed below.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, 2, 3 and 4, the present embodiment provides a laser bar testing apparatus 200 for testing the surface smoothness of a laser bar 100. The laser bar 100 includes a first surface 101, a second surface 102, and a third surface 103, wherein the first surface 101 is disposed opposite to the third surface 103, and the second surface 102 is disposed between the first surface 101 and the third surface 103 and connected to the first surface 101 and the third surface 103. The laser bar detection device 200 includes an image acquisition device 60, a control device 50 and a position adjustment device 70.
The image capturing device 60 has a first capture port 611, a second capture port 621, and a third capture port 631. The control device 50 is electrically connected to the image capturing device 60, and is configured to control the first capturing port 611 of the image capturing device 60 to capture a first image of the first surface 101, and generate position information according to the first image.
The position adjusting device 70 is electrically connected to the control device 50, and the position adjusting device 70 is configured to receive the position information and adjust the position of the laser bar 100 according to the position information, so that the second collecting port 621 collects a second image of the second surface 102, and the third collecting port 631 collects a third image of the third surface 103. The control device 50 determines whether the first surface, the second surface, and the third surface are acceptable in finish according to the first image, the second image, and the third image.
The laser bar detection device 200 provided by the present application comprises the image acquisition device 60, the control device 50 and the position adjustment device 70. The laser bar detection device 200 collects the first image of the first surface 101 through the first collection port 611 of the image collection device 60, and generates position information according to the first image. The position adjusting device 70 is electrically connected to the control device 50, and the position adjusting device 70 is configured to receive the position information and adjust the position of the laser bar 100 according to the position information, so that the second collecting port 621 collects the second image of the second surface 102, and the third collecting port 631 collects the third image of the third surface 103. The control device 50 determines whether the first surface, the second surface, and the third surface are acceptable in finish according to the first image, the second image, and the third image. The laser bar detection device 200 realizes the automatic adjustment of the position of the laser bar 100 through the image acquisition device 60, the control device 50 and the position adjustment device 70, reduces the detection time of three surfaces of the laser bar 100, and improves the detection efficiency.
In one embodiment, the second surface 102 is a light emitting surface of the laser bar 100. The first surface 101 is a positive electrode surface or a negative electrode surface of the laser bar 100. The third surface 103 is a negative electrode surface or a positive electrode surface of the laser bar 100.
The image acquisition device 60 is used to image the three surfaces of the laser bar 100 and transmit the images to the control device 50.
In one embodiment, the image capture device 60 includes a first image capture component 610, a second image capture component 620, and a third image capture component 630.
The first image capturing assembly 610 is spaced apart from the stage 910. The first image capturing component 610 has the first capturing port 611. The first collecting port 611 faces the opening of the groove 912. The first acquisition port 611 acquires the first image of the first surface 101. The first image capturing component 610 is electrically connected to the control device 50. The first image capturing component 610 uploads the first image to the control device 50.
The second image capturing assembly 620 is spaced apart from the stage 910. The second image capturing component 620 has the second capturing port 621. The second acquisition port 621 acquires a second image of the second surface 102. The second image capturing assembly 620 is electrically connected to the control device 50. The second image capturing component 620 uploads the second image to the control device 50.
The third image capturing component 630 is spaced apart from the working platform 910 and is parallel to the second image capturing component 620. The third image capturing assembly 630 has the third capturing port 631, and the reflected light of the reflecting mirror 920 enters the third capturing port 631. The third acquisition port 631 acquires the third image of the third surface 103. The third image capturing assembly 630 is electrically connected to the control device 50. The third image capturing component 630 uploads the third image to the control device 50.
The image capturing device 60 may be a video camera, a video recorder, or a CCD camera device. In one embodiment, the first image capturing component 610, the second image capturing component 620, and the third image capturing component 630 are CCD cameras, which have high definition and increase the accuracy of detection.
In one embodiment, the image capturing device 60 may also be a capturing component, which includes the first capturing port 611, the second capturing port 621 and the third capturing port 631.
The control device 50 generates position information by processing the first image. In one embodiment, the control device 50 transmits the position information to the position adjustment device 70. When the first image is not acquired by the first acquisition port 611, the control device 50 cannot generate position information, and the position adjustment device 70 does not move.
In one embodiment, the control device 50 may compare the first image with an internally stored standard position image and generate the position information. The control device 50 makes the position adjusting device 70 accurately grasp the laser bar 100 according to the position information, and moves the position of the laser bar 100.
In one embodiment, the control device 50 includes a CPU, control software, or a digital-to-analog conversion device. In one embodiment, the control device 50 is a computer, and image analysis software matched with the image acquisition device 60 is installed in the computer.
The position adjusting device 70 adjusts the position of the laser bar 100 to make the second collecting port 621 collect the second image of the second surface 102, and the third collecting port 631 collect the third image of the third surface 103.
In one embodiment, the position adjustment device 70 includes a drive device 710. The driving device 710 is electrically connected to the control device 50. The control device 50 is configured to move the laser bar 100 from the first station 210 to the second station 220 by controlling the driving device 710 according to the position information, so that the second collecting port 621 collects the second image, and the third collecting port 631 collects the third image.
When the laser bar 100 is at the first station 210, the first surface 101 faces the first collecting port 611. The first collecting port 611 collects the first image of the first surface 101 and transmits the first image to the control device 50.
When the laser bar 100 is at the second station 220, the second surface 102 faces the second collecting port 621, and the reflected light from the third surface 103 enters the second collecting port 621. The second capture port 621 captures the second image of the second surface 102 and transmits the second image to the control device 50. The third capture port 631 captures the third image and transmits the third image to the control device 50.
In one embodiment, the position adjustment device 70 further comprises a signal processing device 720. The signal processing device 720 is electrically connected between the control device 50 and the driving device 710. The signal processing device 720 is used for receiving the position information and converting the position information into a current signal. The driving device 710 moves the laser bar 100 from the first station 210 to the second station 220 according to the current signal.
The signal processing device 720 may be a digital-to-analog conversion device, a module, a digital-to-analog conversion card, or the like.
In one embodiment, the laser bar detection device 200 further comprises a suction device 80. The suction device 80 is fixed to the driving device 710. The suction device 80 is electrically connected to the control device 50, and is configured to suck the laser bar 100 through the first surface 101 according to the position information.
The adsorption device 80 is accurately adsorbed on the first surface 101 according to the position information, and the adsorption device 80 is always adsorbed on the first surface 101 during the displacement of the driving device 710.
In one embodiment, the driving device 710 includes a base 711 and a driving motor group 712. The suction device 80 is fixed to the base 711. The output shaft of the driving motor group 712 is fixedly connected with the base 711. The driving motor group 712 is electrically connected to the signal processing device 720. The driving motor group 712 is configured to receive the current signal and adjust the position of the base 711 according to the current signal.
The driving motor group 712 includes an X-axis driving motor 713, a Y-axis driving motor 714, a Z-axis driving motor 715, and an X-Y plane rotation angle motor 716. Output shafts of the X-axis driving motor 713, the Y-axis driving motor 714, the Z-axis driving motor 715, and the X-Y plane rotation angle motor 716 are respectively fixedly connected to the base 711, and are configured to change displacements of the base 711 in the X-axis, Y-axis, and Z-axis directions and an X-Y plane rotation angle according to the current signal.
The base 711 may also include a chassis and an actuator arm. The chassis is fixedly connected with each output shaft of the driving unit 712. One end of the driving arm is fixedly arranged on the chassis. The other end of the driving arm is fixedly connected with an adsorption component of the adsorption device. The chassis drives the driving arm to move, the driving arm drives the adsorption device to move, and the adsorption device drives the laser bar 100 to move from the first station 210 to the second station 220.
Referring to fig. 5 and 6 together, in one embodiment, the laser bar detection apparatus 200 further includes a stage 910 and a mirror 920. The working table 910 is provided with a first through hole 911, and the second station 220 faces the center of the first through hole 911. The reflecting mirror 920 is disposed on a side of the working table 910 facing away from the second station 220. The reflector 920 faces the first through hole 911 and forms an angle of 45 ° with the worktable 910. The third collecting port 631 collects the third image of the third surface 103 through a reflecting mirror 920.
In one embodiment, a first groove 912 is dug on a surface of the working table 910 facing away from the reflector 920, the first collecting port 611 faces an opening of the first groove 912, and the first station 210 is disposed on a bottom surface of the first groove 912.
The laser bar detection device 200 further includes a receptacle. The receiving body is disposed in the first groove 912. The surface of the storage body far away from the first groove 912 is dug to form a second groove, and the second groove is arranged at the center of the surface of the storage body. The laser bar 100 is accommodated in the second groove, so that the absorption device 80 can absorb the laser bar conveniently.
In one embodiment, the laser bar detection apparatus 200 further includes a light-transmitting plate 913 disposed in the first through hole 911 in a clamping manner.
The light-transmitting plate 913 may be glass, acryl, or other transparent material. In one embodiment, the third surface 103 is attached to a surface of the light-transmitting plate 913. The light-transmitting plate 913 can prevent the adsorption apparatus 80 from falling and being damaged when out of control.
In one embodiment, the image capture device 60 further comprises an illumination device 640. The lighting device 640 is sleeved on the first collecting port 611. The lighting device 640 can increase the illuminance of the first station 210, and increase the detection accuracy. The lighting device 640 includes an energy-saving lamp, a fluorescent lamp, an LED lamp, a halide lamp, a sodium lamp, a mercury lamp, a cold-cathode tube, or the like.
A method for controlling a laser bar detection device 200 according to any of the above embodiments, comprising:
s100, the image capturing device 60 captures the first image through the first capturing port 611.
S200, the control device 50 receives the first image, generates the position information of the laser bar 100 according to the first image, and determines whether the smoothness of the first surface 101 is qualified according to the first image.
S300, the position adjusting device 70 receives the position information, and adjusts the position of the laser bar 100 according to the position information.
S400, the image acquisition device 60 acquires the second image through the second acquisition port 621, and the image acquisition device 60 acquires the third image through the third acquisition port 631.
S500, the control device 50 receives the second image and the third image, and analyzes the second image and the third image to determine whether the smoothness of the second surface 102 and the third surface 103 is acceptable.
The application provides a control method of the laser bar detection device 200. The first image of the first surface 101 is acquired through the first acquisition port 611 of the image acquisition device 60, and position information is generated from the first image. The position adjusting device 70 is electrically connected to the control device 50, the position adjusting device 70 receives the position information, and adjusts the position of the laser bar 100 according to the position information, so that the second collecting port 621 collects the second image of the second surface 102, and the third collecting port 631 collects the third image of the third surface 103. The control device 50 determines whether the first surface, the second surface, and the third surface are acceptable in finish according to the first image, the second image, and the third image. The control method of the laser bar detection device 200 realizes automatic adjustment of the position of the laser bar 100, reduces the detection time of three surfaces of the laser bar 100, and improves the detection efficiency.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A laser bar detection device for detecting the smoothness of a surface of a laser bar (100), the laser bar (100) comprising a first surface (101), a second surface (102) and a third surface (103), the first surface (101) being disposed opposite the third surface (103), the second surface (102) being disposed between the first surface (101) and the third surface (103) and being connected to the first surface (101) and the third surface (103), the laser bar detection device (200) comprising:
an image acquisition device (60), the image acquisition device (60) having a first acquisition port (611), a second acquisition port (621), and a third acquisition port (631);
the control device (50) is electrically connected with the image acquisition device (60) and is used for controlling the first acquisition opening (611) of the image acquisition device (60) to acquire a first image of the first surface (101) and generating position information according to the first image;
the position adjusting device (70) is electrically connected with the control device (50), the position adjusting device (70) is used for receiving the position information and adjusting the position of the laser bar (100) according to the position information, so that the second collecting port (621) collects a second image of the second surface (102), the third collecting port (631) collects a third image of the third surface (103), and the control device (50) judges whether the smoothness of the first surface, the second surface and the third surface is qualified or not according to the first image, the second image and the third image.
2. The laser bar detection device of claim 1, wherein the position adjustment device (70) comprises:
the driving device (710) is electrically connected with the control device (50), and the control device (50) is used for moving the laser bar (100) from the first station (210) to the second station (220) by controlling the driving device (710) according to the position information, so that the second image is acquired by the second acquisition port (621), and the third image is acquired by the third acquisition port (631).
3. The laser bar detection device of claim 2, wherein the position adjustment device (70) further comprises:
the signal processing device (720) is electrically connected between the control device (50) and the driving device (710), the signal processing device (720) is used for receiving the position information and converting the position information into a current signal, and the driving device (710) moves the laser bar (100) from the first station (210) to the second station (220) according to the current signal.
4. The laser bar detection apparatus of claim 3, wherein the laser bar detection apparatus (200) further comprises:
the adsorption device (80), the adsorption device (80) is fixed in the driving device (710), the adsorption device (80) is electrically connected with the control device (50) and used for adsorbing the laser bar (100) through the first surface (101) according to the position information.
5. The laser bar detection device of claim 4, wherein the drive device (710) comprises:
a base (711), wherein the adsorption device (80) is fixed to the base (711);
the output shaft of the driving motor set (712) is fixedly connected with the base (711), the driving motor set (712) is electrically connected with the signal processing device (720), and the driving motor set (712) is used for receiving the current signal and adjusting the position of the base (711) according to the current signal.
6. The laser bar detection apparatus of claim 2, wherein the laser bar detection apparatus (200) further comprises:
the workbench (910) is provided with a first through hole (911), and the second station (220) is over against the center of the first through hole (911).
7. The laser bar detection apparatus of claim 6, wherein the laser bar detection apparatus (200) further comprises:
the reflecting mirror (920) is arranged on one side, deviating from the second station (220), of the workbench (910), the reflecting mirror (920) is right opposite to the first through hole (911), an angle of 45 degrees is formed between the reflecting mirror (920) and the workbench (910), and the third collecting port (631) collects the third image on the third surface (103) through the reflecting mirror (920).
8. The laser batten detection device according to claim 7, wherein a first groove (912) is dug in the surface, facing away from the reflector (920), of the workbench (910), the first collecting port (611) faces the opening of the first groove (912), and the first station (210) is arranged on the bottom surface of the first groove (912).
9. The laser bar detection apparatus of claim 8, wherein the laser bar detection apparatus (200) further comprises:
and the light-transmitting plate (913) is clamped in the first through hole (911).
10. The laser bar detection device of claim 8, wherein the image capture device (60) further comprises:
the lighting device (640) is sleeved on the first collecting port (611).
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| CN110018182A (en) * | 2019-05-21 | 2019-07-16 | 深圳市杰普特光电股份有限公司 | Laser bar bar detection device |
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| CN110018182A (en) * | 2019-05-21 | 2019-07-16 | 深圳市杰普特光电股份有限公司 | Laser bar bar detection device |
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