A photovoltaic module inspection apparatus

Abstract

The utility model discloses a photovoltaic module detection device, including base, the top fixedly connected with frame of base, the inner wall fixedly connected with two guide rods of frame, the outer wall sliding of two guide rods is equipped with two U sections, the outer wall of frame is equipped with two thread holes, and the inner wall of two thread holes all is connected with the adjusting bolt of screw thread, and one end of two adjusting bolts is rotatably connected with the outer wall of U section, the top fixedly connected with the equipment frame of frame. The utility model discloses through the synergetic effect of speed reducer, air cylinder and transmission structure, can realize the continuous lifting and release of impact ball, simulates the repeated impact in actual environment many times, improves the authenticity and comprehensiveness of test, through the lifting height (change potential energy) of adjustment impact ball or the annular counterweight of screw rod (change mass) is added or reduced, can control the impact force size flexibly, satisfies different test standard (such as different diameter hailstone simulation).

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module detection technical field especially relates to a photovoltaic module detection device. BACKGROUND

[0002] Photovoltaic modules are susceptible to external forces in outdoor environments. After being impacted, photovoltaic modules may experience glass breakage, cell detachment, or encapsulant cracking, which can lead to electrical short circuits or leakage risks, and further cause safety accidents. Therefore, impact resistance testing is not only an evaluation of the physical structure, but also a guarantee of electrical safety performance. For example, modules should maintain good insulation performance after impact to prevent fires or other accidents caused by electrical failures. Through impact resistance testing, it can be observed whether the structure is damaged under different load intensities, and the durability in long-term use can be evaluated.

[0003] In the prior art, impact tests are mostly performed by free-falling fixed-height weights, and are mostly single-impact tests, which cannot achieve continuous and adjustable dynamic impact, making it difficult to simulate the impact of repeated impacts in actual environments. Therefore, we propose a photovoltaic module detection device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and proposes a photovoltaic module detection device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A photovoltaic module detection device, comprising a base, the top of the base is fixedly connected with a frame, the inner wall of the frame is fixedly connected with two guide rods, the outer wall of the two guide rods is slidably sleeved with two U-shaped sections, two threaded holes are formed in the outer wall of the frame, the inner wall of the two threaded holes is threadedly connected with two adjusting bolts, one end of the two adjusting bolts is rotatably connected with the outer wall of the U-shaped section, the top of the frame is fixedly connected with a device frame, the inside of the device frame is fixedly connected with a speed reducer, the output shaft of the speed reducer is fixedly connected with two key blocks, the outer wall of the two key blocks is slidably sleeved with the same driving wheel, the outer wall of the driving wheel is fixedly connected with a pressing piece, the inside of the device frame is fixedly connected with a pneumatic cylinder, the outer wall of the output end of the pneumatic cylinder is fixedly sleeved with a deep groove ball bearing, the outer ring of the deep groove ball bearing is fixedly connected with the outer wall of the pressing piece, and the outer wall of the frame is provided with a detection assembly.

[0007] Preferably, the detection assembly comprises an arc-shaped rod, an outer wall of an output shaft of the speed reducer is sleeved with a rotating wheel and a bearing seat, an outer wall of the rotating wheel is fixedly connected with a top of the arc-shaped rod, and a bottom of the arc-shaped rod is fixedly connected with an impact ball.

[0008] Preferably, one end of each of the two adjusting bolts is fixedly sleeved with a steel bearing, and outer rings of the two steel bearings are fixedly connected with outer walls of the two U-shaped profiles.

[0009] Preferably, an inner ring of the bearing seat is fixedly connected with an outer wall of the rotating wheel, and a top of the frame is fixedly connected with a bottom of the bearing seat, so that the stability of the rotating wheel during rotation is increased.

[0010] Preferably, a sliding groove is formed in an outer wall of the equipment frame, and an inner wall of the sliding groove is slidably connected with an outer wall of the arc-shaped rod.

[0011] Preferably, an outer wall of the impact ball is fixedly connected with a threaded rod, and the threaded rod is sleeved with an annular counterweight.

[0012] Compared with the prior art, the device has the following advantages:

[0013] The continuous lifting and releasing of the impact ball can be realized through the cooperation of the speed reducer, the air cylinder and the transmission structure, the repeated impact in the actual environment is simulated, and the authenticity and comprehensiveness of the test are improved; the impact force can be flexibly controlled by adjusting the lifting height of the impact ball (changing the potential energy) or increasing or decreasing the annular counterweight on the threaded rod (changing the mass), so that different test standards (such as different diameter hail simulation) are met; the speed reducer driving and the air cylinder linkage are adopted, and the cycle impact test can be completed without manual intervention, the detection efficiency is significantly improved, and the device is suitable for production line batch detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the specific implementation manner. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 A perspective structural schematic view of the photovoltaic module detection device is provided.

[0016] Figure 2 A sectional structural schematic view of the photovoltaic module detection device is provided.

[0017] Figure 3 This utility model proposes a photovoltaic module testing device. Figure 2 A magnified structural diagram of part A in the diagram;

[0018] Figure 4 This is a partial three-dimensional structural diagram of a photovoltaic module testing device proposed in this utility model.

[0019] In the diagram: 1. Base; 2. Frame; 3. Guide rod; 4. U-shaped profile; 5. Adjusting bolt; 6. Equipment frame; 7. Gear motor; 8. Key block; 9. Drive wheel; 10. Extruded part; 11. Cylinder; 12. Bearing seat; 13. Rotating wheel; 14. Arc rod; 15. Impact ball; 16. Threaded rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] Depend on Figures 1-4 As shown, a photovoltaic module testing device is disclosed, including a base 1. A frame 2 is fixedly connected to the top of the base 1. The frame 2 is made of high-strength aluminum alloy or steel structure welded together to ensure overall stability. Two guide rods 3 are fixedly connected to the inner wall of the frame 2. Two U-shaped profiles 4 are slidably sleeved on the outer wall of the two guide rods 3. Rubber buffer pads are provided on the inner side of the U-shaped profiles 4 to prevent damage to the surface of the photovoltaic module during clamping.

[0022] The outer wall of frame 2 has two threaded holes, and the inner walls of the two threaded holes are threaded with adjusting bolts 5. One end of the two adjusting bolts 5 is rotatably connected to the outer wall of U-shaped material 4. One end of the two adjusting bolts 5 is fixedly fitted with a steel bearing. The outer rings of the two steel bearings are fixedly connected to the outer walls of the two U-shaped materials 4 respectively. The U-shaped material 4 can move smoothly along the guide rod 3, thereby adapting to photovoltaic modules of different sizes and achieving stable clamping.

[0023] The top of the frame 2 is fixedly connected to the equipment frame 6. The inside of the equipment frame 6 is fixedly connected to the geared motor 7. The outer wall of the output shaft of the geared motor 7 is fixedly connected to two key blocks 8. The outer wall of the two key blocks 8 is slidably fitted with the same drive wheel 9. At the contact point between the drive wheel 9 and the key block 8, there are two keyways. The extrusion surface between the keyway and the key block 8 drives the drive wheel 9 to rotate synchronously. The outer wall of the drive wheel 9 is fixedly connected to the extrusion component 10.

[0024] The inner wall of the equipment frame 6 is fixedly connected with the air cylinder 11, and the outer wall of the output end of the air cylinder 11 is fixedly sleeved with a deep groove ball bearing, and the outer ring of the deep groove ball bearing is fixedly connected with the outer wall of the extrusion piece 10.

[0025] The outer wall of the frame 2 is provided with a detection assembly, the detection assembly comprises an arc-shaped rod 14, the outer wall of the equipment frame 6 is provided with a sliding groove, the inner wall of the sliding groove is in sliding connection with the outer wall of the arc-shaped rod 14, the outer wall of the output shaft of the speed reducer 7 is slidably sleeved with a rotating wheel 13 and a bearing seat 12, the outer wall of the rotating wheel 13 is fixedly connected with the inner ring of the bearing seat 12, and the bottom of the bearing seat 12 is fixedly connected with the top of the frame 2, so that the rotating wheel 13 can rotate freely.

[0026] The outer wall of the rotating wheel 13 is fixedly connected with the top of the arc-shaped rod 14, and the bottom of the arc-shaped rod 14 is fixedly connected with an impact ball 15, which can be made of synthetic rubber or high-density polyethylene. The outer wall of the impact ball 15 is fixedly connected with a threaded rod 16, the outer wall of the threaded rod 16 is sleeved with an annular counterweight, a plurality of annular counterweights can be sleeved on the threaded rod 16, and the annular counterweights are locked by nuts to adjust the impact force.

[0027] Working principle: in use, the photovoltaic assembly is vertically placed and located between the two U-shaped profiles 4, the two adjusting bolts 5 are rotated to drive the two U-shaped profiles 4 to move inward through the two steel bearings, the photovoltaic assembly is clamped and fixed, and is fixed on the frame 2, the output shaft of the speed reducer 7 is rotated to drive the two key blocks 8 to rotate, the two key blocks 8 drive the rotating wheel 9 to rotate, the rotating wheel 9 drives the extrusion piece 10 to rotate, and the extrusion piece 10 rotates through the deep groove ball bearing, wherein the air cylinder 11 drives the extrusion piece 10 and the deep groove ball bearing to move to the right, the deep groove ball bearing meets the axial stress requirement, the friction surface of the driving wheel 9 is extruded onto the outer wall of the rotating wheel 13, the extrusion friction force drives the rotating wheel 13 to rotate, the rotating wheel 13 drives the arc-shaped rod 14 to rotate upward, and the arc-shaped rod 14 drives the impact ball 15 to be located at a higher position, then the air cylinder 11 moves to the left to reset, at this time the driving wheel 9 no longer extrudes the outer wall of the rotating wheel 13, the transmission process is released, the rotating wheel 13 and the arc-shaped rod 14 fall through the gravity of the impact ball 15, and rotate around the rotating wheel 13 and the bearing seat 12, after impacting the outer wall of the photovoltaic assembly, the impact ball 15 detects the impact resistance, and the air cylinder 11 moves to the right again to drive the arc-shaped rod 14 to rotate upward, at the same time, the higher the position of the impact ball 15, the greater the impact force, the number of annular counterweights on the threaded rod 16 can be increased to increase the weight of the impact ball 15, and the existing nuts of the threaded rod 16 fix the positions of the annular counterweights, so that the photovoltaic assembly can be detected with different impact forces.

[0028] It should be noted that in actual use, the existing technology PLC controller can be added, and the PLC controller is electrically connected with the speed reducer 7 and the air cylinder 11, so that the overall operation is facilitated.

[0029] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, the circuit connection adopts conventional connection mode in the prior art, and the components known by the person skilled in the art are not described in detail, and the structure and principle thereof can be known by the person skilled in the art through a technical manual or through a conventional experimental method.

[0030] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic module testing device, comprising a base (1), characterized in that, A frame (2) is fixedly connected to the top of the base (1). Two guide rods (3) are fixedly connected to the inner wall of the frame (2). Two U-shaped profiles (4) are slidably sleeved on the outer walls of the two guide rods (3). Two threaded holes are opened on the outer wall of the frame (2). Adjusting bolts (5) are threadedly connected to the inner walls of the two threaded holes. One end of the two adjusting bolts (5) is rotatably connected to the outer wall of the U-shaped profiles (4). An equipment frame (6) is fixedly connected to the top of the frame (2). The inside of the equipment frame (6) is fixedly connected to... There is a geared motor (7), and two key blocks (8) are fixedly connected to the outer wall of the output shaft of the geared motor (7). The same drive wheel (9) is slidably sleeved on the outer wall of the two key blocks (8). An extrusion piece (10) is fixedly connected to the outer wall of the drive wheel (9). A cylinder (11) is fixedly connected inside the equipment frame (6). A deep groove ball bearing is fixedly sleeved on the outer wall of the output end of the cylinder (11). The outer ring of the deep groove ball bearing is fixedly connected to the outer wall of the extrusion piece (10). A detection component is provided on the outer wall of the frame (2).

2. The photovoltaic module testing device according to claim 1, characterized in that, The detection assembly includes an arc-shaped rod (14), and a rotating wheel (13) and a bearing seat (12) are slidably sleeved on the outer wall of the output shaft of the reduction motor (7). The outer wall of the rotating wheel (13) is fixedly connected to the top of the arc-shaped rod (14), and an impact ball (15) is fixedly connected to the bottom of the arc-shaped rod (14).

3. The photovoltaic module testing device according to claim 1, characterized in that, Steel bearings are fixedly fitted at one end of each of the two adjusting bolts (5), and the outer rings of the two steel bearings are fixedly connected to the outer walls of the two U-shaped profiles (4).

4. The photovoltaic module testing device according to claim 2, characterized in that, The outer wall of the rotating wheel (13) is fixedly connected to the inner ring of the bearing seat (12), and the bottom of the bearing seat (12) is fixedly connected to the top of the frame (2).

5. A photovoltaic module testing device according to claim 2, characterized in that, The outer wall of the equipment frame (6) is provided with a sliding groove, and the inner wall of the sliding groove is slidably connected to the outer wall of the arc-shaped rod (14).

6. A photovoltaic module testing device according to claim 2, characterized in that, The outer wall of the impact ball (15) is fixedly connected to a threaded rod (16), and the outer wall of the threaded rod (16) is fitted with an annular counterweight.

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