Positioning device for photovoltaic silicon wafer detection

Abstract

The utility model relates to the field of photovoltaic silicon wafer detection, and discloses a photovoltaic silicon wafer detection positioning device which comprises a bottom frame and two sliding frames, a plurality of conveying belts are installed on the inner wall of the bottom frame in a transmission mode, the conveying belts are evenly distributed on the inner wall of the bottom frame, and the tops of the conveying belts are movably connected with photovoltaic silicon wafers. An adjusting frame is welded to the top of the sliding frame, a sliding groove is formed in the inner wall of the adjusting frame, a supporting frame is slidably installed on the inner wall of the sliding groove, and a detector is slidably connected to the surface of the supporting frame; the sliding frame is installed on the side wall of the bottom frame, the adjusting frame is welded to the top of the sliding frame, the sliding groove is formed in the inner wall of the adjusting frame, the supporting frame is slidably connected to the inner wall of the sliding groove, and the detector is slidably installed on the surface of the supporting frame, so that the angle of the detector is adjusted by means of sliding of the supporting frame in the sliding groove; photovoltaic silicon wafers at different positions can be conveniently detected, and detection dead angles of the detector are effectively reduced.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic silicon wafer detection, and in particular to a positioning device for photovoltaic silicon wafer detection. Background Art

[0002] The inspection items of photovoltaic silicon wafers mainly include appearance inspection and surface quality inspection. The appearance inspection items mainly include the inspection of silicon wafer diameter, silicon wafer curvature and warpage, and silicon wafer thickness and total thickness. The surface quality inspection items include the inspection of silicon wafer flatness and the inspection of silicon polished wafer surface quality. In addition, electrical parameter inspections are also required, such as battery IV characteristic inspection, battery leakage defect inspection, contact resistance, open circuit voltage and short circuit current distribution inspection. Optical inspection items include solar cell photoluminescence inspection, battery thickness and refractive index inspection, and battery surface reflectivity inspection. When performing appearance inspection and surface quality inspection on conventional photovoltaic silicon wafers, after the base frame is installed stably, a conveyor belt is installed on the top transmission of the base frame. The photovoltaic silicon wafer to be inspected is placed on the upper end of the conveyor belt, and the surface of the photovoltaic silicon wafer is inspected with the help of a detector.

[0003] With respect to the above-mentioned related technologies, the inventors believe that when conventional detectors are used to detect photovoltaic silicon wafers, since some of the photovoltaic silicon wafers that need to be detected are large in size, the detectors are prone to detection blind spots during use, resulting in poor detection effects. Manual adjustment of the position of the detector is required, which causes inconvenience in use.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem of blind spots in detection caused by the large size of conventional photovoltaic silicon wafers, the present application provides a positioning device for photovoltaic silicon wafer detection.

[0006] The photovoltaic silicon wafer detection positioning device provided in this application adopts the following technical solution:

[0007] A positioning device for photovoltaic silicon wafer detection comprises a base frame and two sliding frames, wherein the inner wall of the base frame is transmission-mounted with a plurality of conveyor belts, the plurality of conveyor belts are evenly distributed on the inner wall of the base frame, and the top of the conveyor belts is movably connected with a photovoltaic silicon wafer, an adjustment frame is welded on the top of the sliding frame, a slide groove is provided on the inner wall of the adjustment frame, a support frame is slidably mounted on the inner wall of the slide groove, a detector is slidably connected to the surface of the support frame, one end of the sliding frame is slidably connected to the side wall of the base frame, the two sliding frames are symmetrically distributed with the base frame as the axis, the cross-section of the slide groove is a "C"-shaped structure, and the size specification of the inner wall of the slide groove is adapted to the size specification of one end of the support frame.

[0008] Preferably, a rotating rod is welded to the top of the support frame, a first motor is fixedly mounted on one end of the rotating rod, and one end of the first motor is fixedly connected to one end of the sliding frame.

[0009] Preferably, a plurality of connection grooves are provided on the top of the support frame, and the plurality of connection grooves are evenly distributed on the top of the support frame, and two rotating wheels are engaged on the inner walls of the connection grooves, and the surfaces of the rotating wheels are rotatably connected to the inner wall of the detector.

[0010] Preferably, a sliding rod is slidably mounted on the inner wall of the sliding frame, both ends of the sliding rod are fixedly connected to the surface of the base frame, and the size of the sliding rod surface is compatible with the size of the inner wall of the sliding frame.

[0011] Preferably, a fixing frame is welded to the bottom end of the base frame, a second motor is fixedly connected to the surface of the fixing frame, a threaded rod is fixedly installed at one end of the second motor, the surface of the threaded rod is threadedly connected to the inner wall of the sliding frame, and both ends of the threaded rod are fixedly connected to the surface of the base frame.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The sliding frame is installed on the side wall of the bottom frame, an adjusting frame is welded on the top of the sliding frame, a sliding groove is opened on the inner wall of the adjusting frame, and the inner wall of the sliding groove is slidably connected to the support frame, and a detector is slidably installed on the surface of the support frame, so that the support frame can slide in the sliding groove to adjust the angle of the detector, which is convenient for detecting photovoltaic silicon wafers at different positions, and effectively reduces the detection blind spot of the detector, and a rotating rod is welded on the top of the support frame, and a first motor is installed on one end of the rotating rod, and one end of the first motor is connected to the side wall of the sliding frame, so that the rotating rod can be controlled to rotate by the first motor, so as to control the support frame to slide in the sliding groove, so as to automatically adjust the angle of the detector, effectively reducing the manual operation amount, and two rotating wheels are rotatably installed on the top of the detector, and the bottom end of the rotating wheel is meshed with the connecting groove on the top of the support frame, so that the detector can be controlled to move on the upper end of the support frame by the rotating wheel, so as to adjust the position of the detector, which is more convenient when used; compared with the prior art, the detection effect of photovoltaic silicon wafers is effectively improved;

[0014] 2. A sliding rod can also be installed on the inner wall of the sliding frame, and both ends of the sliding rod are fixedly connected to the surface of the base frame, so that the position of the sliding frame can be adjusted with the help of the sliding rod, and the detector can be moved to a suitable position for detection, which effectively improves the detection range of the detector and facilitates secondary re-inspection after missed photovoltaic silicon wafers appear. A threaded rod is threadedly installed on the inner wall of the sliding frame, and a second motor is fixedly connected to one end of the threaded rod. The bottom end of the second motor is connected to the side wall of the base frame with the help of a fixed frame, so that the threaded rod can be controlled to rotate with the help of the second motor, thereby adjusting the position of the sliding frame; effectively improving the use effect of the device and improving the detection accuracy of photovoltaic silicon wafers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a positioning device for photovoltaic silicon wafer detection according to an embodiment of the application;

[0016] Figure 2 is a schematic diagram of the sliding frame structure of an embodiment of the application;

[0017] Figure 3 is a side view schematic diagram of the structure of an embodiment of the application;

[0018] Figure 4 It is a schematic diagram of the structure at location A of the application embodiment.

[0019] Explanation of the accompanying drawings: 1. Base frame; 2. Conveyor belt; 3. Photovoltaic silicon wafer; 4. Sliding frame; 5. Adjusting frame; 6. Slide groove; 7. Support frame; 8. Detector; 9. Rotating rod; 10. First motor; 11. Connecting groove; 12. Rotating wheel; 13. Sliding rod; 14. Threaded rod; 15. Second motor; 16. Fixed frame. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1 —4 Provide further details of this application.

[0021] The present application embodiment discloses a photovoltaic silicon wafer detection positioning device, referring to Figure 1 - Figure 2 , including a base frame 1. When the photovoltaic silicon wafer 3 is subjected to appearance inspection and surface quality inspection, after the base frame 1 is installed stably, a conveyor belt 2 is installed on the top transmission of the base frame 1. The photovoltaic silicon wafer 3 to be inspected is placed on the upper end of the conveyor belt 2. The sliding frame 4 is installed on the side wall of the base frame 1. An adjusting frame 5 is welded on the top of the sliding frame 4. A slide groove 6 is opened on the inner wall of the adjusting frame 5. A support frame 7 is slidably connected to the inner wall of the slide groove 6. A detector 8 is slidably installed on the surface of the support frame 7. The photovoltaic silicon wafer 3 at the upper end of the conveyor belt 2 is inspected with the help of the detector 8. The support frame 7 slides in the slide groove 6 in the adjusting frame 5, so as to adjust the angle of the detector 8, so as to facilitate the inspection of the photovoltaic silicon wafer 3 at different positions, and effectively reduce the detection blind spot of the detector 8.

[0022] Reference Figure 2 A rotating rod 9 is welded on the top of the support frame 7, and a first motor 10 is installed at one end of the rotating rod 9. One end of the first motor 10 is connected to the side wall of the sliding frame 4. The rotating rod 9 is controlled to rotate by means of the first motor 10, so that the support frame 7 at the bottom end of the rotating rod 9 slides in the slide groove 6, thereby automatically adjusting the angle of the detector 8, effectively reducing the amount of manual operation. Two rotating wheels 12 are rotatably installed on the top of the detector 8, and several connecting grooves 11 adapted to the rotating wheels 12 are opened on the top of the support frame 7. The bottom end of the rotating wheel 12 is engaged with the inner wall of the connecting groove 11. The rotating wheel 12 is used to control the detector 8 to move at the upper end of the support frame 7, so as to adjust the position of the detector 8, which is more convenient when used.

[0023] Reference Figure 3 - Figure 4 A sliding rod 13 is installed on the inner wall of the sliding frame 4, and both ends of the sliding rod 13 are fixedly connected to the surface of the base frame 1. The position of the sliding frame 4 is adjusted with the help of the sliding rod 13, so that the detector 8 can be moved to a suitable position for detection, which effectively improves the detection range of the detector 8. After the photovoltaic silicon wafer 3 is missed, the sliding frame 4 is moved to the missed position for secondary re-inspection. A threaded rod 14 is threadedly installed on the inner wall of the sliding frame 4, and one end of the threaded rod 14 is fixedly connected to a second motor 15. The bottom end of the second motor 15 is connected to the side wall of the base frame 1 with the help of a fixing frame 16. The threaded rod 14 is controlled to rotate with the help of the second motor 15, so as to adjust the position of the sliding frame 4.

[0024] The implementation principle of the positioning device for detecting photovoltaic silicon wafers 3 in the embodiment of the present application is as follows: a sliding frame 4 is installed on the side wall of a base frame 1, an adjusting frame 5 is welded on the top of the sliding frame 4, a sliding groove 6 is opened on the inner wall of the adjusting frame 5, a support frame 7 is slidably connected to the inner wall of the sliding groove 6, and a detector 8 is slidably installed on the surface of the support frame 7, so that the angle of the detector 8 can be adjusted by means of the support frame 7 sliding in the sliding groove 6, so as to facilitate the detection of photovoltaic silicon wafers 3 at different positions, and effectively reduce the detection blind angle of the detector 8, and a rotating rod 9 is welded on the top of the support frame 7. A first motor 10 is installed at one end, and one end of the first motor 10 is connected to the side wall of the sliding frame 4, so that the rotating rod 9 can be controlled to rotate with the help of the first motor 10, thereby controlling the support frame 7 to slide in the slide groove 6, so as to automatically adjust the angle of the detector 8, effectively reducing the manual operation amount, and two rotating wheels 12 are rotatably installed on the top of the detector 8, and the bottom end of the rotating wheel 12 is engaged with the connecting groove 11 on the top of the support frame 7, so that the detector 8 can be controlled to move on the upper end of the support frame 7 with the help of the rotating wheel 12, so as to adjust the position of the detector 8, which is more convenient when used.

[0025] A sliding rod 13 can also be installed on the inner wall of the sliding frame 4, and both ends of the sliding rod 13 are fixedly connected to the surface of the base frame 1, so that the position of the sliding frame 4 can be adjusted with the help of the sliding rod 13, and the detector 8 can be moved to a suitable position for detection, which effectively improves the detection range of the detector 8 and facilitates secondary re-inspection after the photovoltaic silicon wafer 3 is missed. A threaded rod 14 is threadedly installed on the inner wall of the sliding frame 4, and one end of the threaded rod 14 is fixedly connected to a second motor 15. The bottom end of the second motor 15 is connected to the side wall of the base frame 1 with the help of a fixing frame 16, so that the rotation of the threaded rod 14 can be controlled by the second motor 15, thereby adjusting the position of the sliding frame 4.

[0026] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A photovoltaic silicon wafer (3) detection positioning device, comprising a base frame (1) and two sliding frames (4), characterized in that: The inner wall of the base frame (1) is provided with a plurality of conveyor belts (2) which are evenly distributed on the inner wall of the base frame (1), and the top of the conveyor belts (2) is movably connected to a photovoltaic silicon wafer (3). An adjustment frame (5) is welded to the top of the sliding frame (4), a slide groove (6) is provided on the inner wall of the adjustment frame (5), a support frame (7) is slidably installed on the inner wall of the slide groove (6), and a detector (8) is slidably connected to the surface of the support frame (7).

2. A photovoltaic silicon wafer (3) detection positioning device according to claim 1, characterized in that: One end of the sliding frame (4) is slidably connected to the side wall of the base frame (1), and the two sliding frames (4) are symmetrically distributed with the base frame (1) as the axis. The cross-section of the sliding groove (6) is a "C"-shaped structure, and the size specifications of the inner wall of the sliding groove (6) are compatible with the size specifications of one end of the support frame (7).

3. A photovoltaic silicon wafer (3) detection positioning device according to claim 1, characterized in that: A rotating rod (9) is welded to the top of the support frame (7), a first motor (10) is fixedly mounted on one end of the rotating rod (9), and one end of the first motor (10) is fixedly connected to one end of the sliding frame (4).

4. A photovoltaic silicon wafer (3) detection positioning device according to claim 1, characterized in that: A plurality of connection grooves (11) are provided on the top of the support frame (7), and the plurality of connection grooves (11) are evenly distributed on the top of the support frame (7). Two rotating wheels (12) are meshed on the inner walls of the connection grooves (11), and the surfaces of the rotating wheels (12) are rotatably connected to the inner wall of the detector (8).

5. A photovoltaic silicon wafer (3) detection positioning device according to claim 1, characterized in that: A sliding rod (13) is slidably mounted on the inner wall of the sliding frame (4), both ends of the sliding rod (13) are fixedly connected to the surface of the base frame (1), and the size of the surface of the sliding rod (13) is compatible with the size of the inner wall of the sliding frame (4).

6. A photovoltaic silicon wafer (3) detection positioning device according to claim 1, characterized in that: A fixing frame (16) is welded to the bottom end of the base frame (1), a second motor (15) is fixedly connected to the surface of the fixing frame (16), a threaded rod (14) is fixedly mounted on one end of the second motor (15), the surface of the threaded rod (14) is threadedly connected to the inner wall of the sliding frame (4), and both ends of the threaded rod (14) are fixedly connected to the surface of the base frame (1).

Images