Photovoltaic module power tester

Abstract

The utility model discloses a photovoltaic module power tester, which comprises a workbench, the top of the workbench is fixedly connected with a fixing frame, two telescopic rods are arranged in the fixing frame, the bottoms of the two telescopic rods are fixedly connected with illuminating lamps, the top of the workbench is fixedly connected with mounting blocks at equal intervals, and the mounting blocks are fixedly connected with the fixing frame. A displacement assembly is arranged between the top of the workbench and the bottom of the mounting block and used for driving the mounting block to move, a rotating rod is rotationally connected into the mounting block, a rotating assembly is arranged on one side of the mounting block, a mounting frame is fixedly connected to one end of the rotating rod, and a fixing assembly is arranged in the mounting frame. According to the photovoltaic assembly power tester disclosed by the utility model, the rotating assembly drives the fixing assembly to rotate so as to drive the photovoltaic assembly to swing, so that the performance of the photovoltaic assembly at different angles can be simulated so as to ensure that the photovoltaic assembly can be fully tested at different angles and under different illumination conditions; and the performance of the photovoltaic module can be evaluated more comprehensively.

Description

Technical Field

[0001] The utility model relates to the technical field of solar power generation, in particular to a photovoltaic component power tester. Background Art

[0002] A common solar power generation efficiency tester is a photovoltaic efficiency tester. A photovoltaic efficiency tester is a device specifically used to test the conversion efficiency of solar photovoltaic cells or photovoltaic modules. By measuring the current and voltage of photovoltaic cells or modules under lighting conditions, their conversion efficiency can be calculated.

[0003] During the test of photovoltaic modules, the existing testers irradiate the photovoltaic modules with sunlight. However, in actual use, the existing testers cannot rotate to simulate the sun's irradiation in different time periods. This may cause the test results to be unable to fully reflect the performance of the photovoltaic modules under different lighting conditions, which may easily lead to incomplete power testing of the photovoltaic modules and reduce the test accuracy. To address the above problems, we have launched a photovoltaic module power tester. Utility Model Content

[0004] The utility model discloses a photovoltaic module power tester, which is improved by studying the existing structure and defects, and provides a photovoltaic module power tester to achieve the purpose of better practical value.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A photovoltaic module power tester comprises a workbench, wherein the top of the workbench is fixedly connected to a fixing frame, two telescopic rods are arranged inside the fixing frame, the bottoms of the two telescopic rods are fixedly connected to lighting lamps, the top of the workbench is equidistantly fixedly connected to a mounting block, a displacement assembly is arranged between the top of the workbench and the bottom of the mounting block, the displacement assembly is used to drive the mounting block to move, the mounting block is rotatably connected to a rotating rod inside, a rotating assembly is arranged on one side of the mounting block, one end of the rotating rod is fixedly connected to the mounting frame, and the mounting frame is arranged inside a fixing assembly.

[0007] In a preferred embodiment, the fixing assembly includes two threaded rods, which are equidistantly threadedly connected to the inside of the mounting frame, one end of the threaded rod extends to one side of the inner wall of the mounting frame and is rotatably connected to a clamping block, and a placement frame is provided at the bottom of the mounting frame.

[0008] In a preferred solution, a slide groove is provided on one side of the inner wall of the mounting frame, a slider is fixedly connected to one side of the clamping block, and one side of the slider is slidably connected to one side of the inner wall of the slide groove.

[0009] In a preferred solution, a rubber pad is provided on one side of the clamping block.

[0010] In a preferred embodiment, the rotating assembly includes a second motor, which is arranged on one side of the mounting block. A gear is arranged at one end of the output shaft of the second motor. A gear ring is fixedly connected to the outer side of the rotating rod, and the gear is meshed with the gear ring.

[0011] In a preferred embodiment, the displacement assembly includes a receiving groove, which is equidistantly arranged on the top of the workbench, and the interior of the receiving groove is rotatably connected to a bidirectional screw rod. A first motor is provided on one side of the workbench, and one end of the output shaft of the first motor is fixedly connected to one end of the bidirectional screw rod. A moving block is fixedly connected to the bottom of the mounting block, and the interior of the moving block is threadedly connected to the outer side of the bidirectional screw rod, and the outer side of the moving block is slidably connected to the interior of the receiving groove.

[0012] In a preferred solution, the lighting lamp, the first motor and the second motor are all electrically connected.

[0013] The photovoltaic module power tester provided by the utility model has the following advantages:

[0014] First, by setting the displacement component, the distance between the fixed components can be adjusted, and then the photovoltaic components are clamped and fixed by the fixed components, and the lighting is provided by the lighting lamp, so as to test different models of photovoltaic components.

[0015] Secondly, the rotating component is used to drive the fixed component to rotate, and then drive the photovoltaic component to swing, so as to simulate the performance of the photovoltaic component under different lighting conditions at different time periods, to ensure that the photovoltaic component can be fully tested at different angles and lighting conditions, and to more comprehensively evaluate the performance of the photovoltaic component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a three-dimensional schematic diagram of a photovoltaic module power tester.

[0017] Figure 2 The utility model is a front view schematic diagram of a photovoltaic module power tester.

[0018] Figure 3 This is a schematic structural diagram of the first part of a photovoltaic module power tester proposed by the utility model.

[0019] Figure 4 This is a schematic diagram of the second part of the structure of a photovoltaic module power tester proposed by the utility model.

[0020] Figure 5 A photovoltaic module power tester proposed in the utility model Figure 3 Enlarged schematic diagram at point A in the middle.

[0021] In the attached figure: 1. workbench; 2. fixed frame; 3. telescopic rod; 4. lighting lamp; 5. receiving groove; 6. bidirectional screw rod; 7. first motor; 8. mounting block; 9. rotating rod; 10. moving block; 11. second motor; 12. gear; 13. gear ring; 14. mounting frame; 15. placement frame; 16. threaded rod; 17. clamping block; 18. slide groove; 19. slider; 20. rubber pad. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0023] The utility model discloses a photovoltaic component power tester which is mainly used in the scenario of a solar power generation efficiency tester.

[0024] Reference Figure 1 and Figure 2 A photovoltaic module power tester comprises: a workbench 1, a fixing frame 2 is fixedly connected to the top of the workbench 1, two telescopic rods 3 are arranged inside the fixing frame 2, and a lighting lamp 4 is fixedly connected to the bottom of the two telescopic rods 3, a mounting block 8 is equidistantly fixedly connected to the top of the workbench 1, a displacement component is arranged between the top of the workbench 1 and the bottom of the mounting block 8, the displacement component is used to drive the mounting block 8 to move, a rotating rod 9 is rotatably connected to the inside of the mounting block 8, a rotating component is arranged on one side of the mounting block 8, one end of the rotating rod 9 is fixedly connected to the mounting frame 14, and a fixing component is arranged inside the mounting frame 14.

[0025] In the above technical scheme, considering that the existing tester cannot rotate to simulate the sun's radiation in different time periods, this may lead to the problem that the test results cannot fully reflect the performance of the photovoltaic components under different lighting conditions. In order to solve such problems, the specific operations are as follows: by setting a displacement component, the distance between the fixed components can be adjusted, and then the photovoltaic components are clamped and fixed by the fixed components, and the lighting lamp 4 is used to provide light, so as to test different models of photovoltaic components, measure the current and voltage of the photovoltaic components under the lighting conditions, calculate its conversion efficiency, and then use the rotating component to drive the fixed component to rotate, and then drive the photovoltaic component to swing, so as to simulate the performance of the photovoltaic components under different lighting conditions in different time periods, so as to ensure that the photovoltaic components can be fully tested at different angles and lighting conditions, and more comprehensively evaluate the performance of the photovoltaic components.

[0026] Reference Figure 3 and Figure 5 In a preferred embodiment, the fixing assembly includes two threaded rods 16, which are equidistantly threadedly connected to the inside of the mounting frame 14, one end of the threaded rod 16 extends to one side of the inner wall of the mounting frame 14 and is rotatably connected to a clamping block 17, a placing frame 15 is provided at the bottom of the mounting frame 14, a sliding groove 18 is provided on one side of the inner wall of the mounting frame 14, a slider 19 is fixedly connected to one side of the clamping block 17, one side of the slider 19 is slidably connected to one side of the inner wall of the sliding groove 18, and a rubber pad 20 is provided on one side of the clamping block 17;

[0027] In the above technical scheme, the problem of fixing the photovoltaic components is taken into consideration. In order to solve such problems, the specific operations are as follows: by placing the photovoltaic components in the mounting frame 14 and on top of the placement frame 15, and then rotating the threaded rod 16 to drive the clamping blocks 17 to approach each other, and using the rubber pads 20 to clamp and fix the photovoltaic components from both sides, the operation is simple and convenient.

[0028] Reference Figure 3 and Figure 4 In a preferred embodiment, the rotating assembly includes a second motor 11, which is arranged on one side of the mounting block 8, and a gear 12 is arranged at one end of the output shaft of the second motor 11, and a gear ring 13 is fixedly connected to the outer side of the rotating rod 9, and the gear 12 is meshed with the gear ring 13;

[0029] In the above technical scheme, the problem of different lighting conditions of the sun in different time periods is taken into consideration. In order to solve such problems, the specific operations are as follows: by starting the second motor 11 to drive the gear 12 to rotate, the meshing relationship between the gear 12 and the ring gear 13 is utilized, and the ring gear 13 and the rotating rod 9 are driven to rotate, and then the mounting frame 14 is driven to rotate, and then the photovoltaic components in the mounting frame 14 are driven to swing back and forth, simulating the trajectory of the sun's movement, so as to simulate the performance of the photovoltaic components under different lighting conditions of the sun in different time periods.

[0030] Reference Figure 1 and Figure 3 In a preferred embodiment, the displacement assembly includes a groove 5, which is equidistantly arranged on the top of the workbench 1. The interior of the groove 5 is rotatably connected with a bidirectional screw rod 6. A first motor 7 is provided on one side of the workbench 1. One end of the output shaft of the first motor 7 is fixedly connected to one end of the bidirectional screw rod 6. A moving block 10 is fixedly connected to the bottom of the mounting block 8. The interior of the moving block 10 is threadedly connected to the outer side of the bidirectional screw rod 6. The outer side of the moving block 10 is slidably connected to the interior of the groove 5. By starting the first motor 7 to drive the bidirectional screw rod 6 to rotate, the moving block 10 is driven to move in the groove 5, and then the distance between the mounting blocks 8 is driven to clamp and fix photovoltaic modules of different sizes.

[0031] Reference Figure 1 and Figure 3 In a preferred embodiment, the lighting lamp 4, the first motor 7 and the second motor 11 are all electrically connected;

[0032] Working principle: When in use, first start the first motor 7 to drive the bidirectional screw rod 6 to rotate, thereby driving the moving block 10 to move in the receiving groove 5, and then drive the distance between the mounting blocks 8, and then place the photovoltaic component in the mounting frame 14, and be located on the placement frame 15, and then rotate the threaded rod 16 to drive the clamping blocks 17 to approach each other, and use the rubber pad 20 to clamp and fix the photovoltaic component from both sides, and start the lighting lamp 4 for testing. When it is necessary to simulate the performance of the photovoltaic component under different lighting conditions in different time periods, it is only necessary to start the second motor 11 to drive the gear 12 to rotate, and use the meshing relationship between the gear 12 and the ring gear 13 to drive the ring gear 13 and the rotating rod 9 to rotate, and then drive the mounting frame 14 to rotate, and then drive the photovoltaic component in the mounting frame 14 to swing back and forth, simulating the trajectory of the sun's movement, so as to simulate the performance of the photovoltaic component under different lighting conditions in different time periods. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0033] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A photovoltaic module power tester, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a fixed frame (2), two telescopic rods (3) are arranged inside the fixed frame (2), and the bottoms of the two telescopic rods (3) are fixedly connected to lighting lamps (4). The top of the workbench (1) is equidistantly fixedly connected to a mounting block (8), a displacement component is arranged between the top of the workbench (1) and the bottom of the mounting block (8), and the displacement component is used to drive the mounting block (8) to move. The mounting block (8) is rotatably connected to a rotating rod (9) inside, and a rotating component is arranged on one side of the mounting block (8). One end of the rotating rod (9) is fixedly connected to a mounting frame (14), and a fixed component is arranged inside the mounting frame (14).

2. A photovoltaic module power tester according to claim 1, characterized in that: The fixing assembly comprises two threaded rods (16), the two threaded rods (16) being equidistantly threadedly connected to the interior of the mounting frame (14), one end of the threaded rod (16) extending to one side of the inner wall of the mounting frame (14) and being rotatably connected to a clamping block (17), and a placement frame (15) being arranged at the bottom of the mounting frame (14).

3. A photovoltaic module power tester according to claim 2, characterized in that: A slide groove (18) is provided on one side of the inner wall of the mounting frame (14), a slider (19) is fixedly connected to one side of the clamping block (17), and one side of the slider (19) is slidably connected to one side of the inner wall of the slide groove (18).

4. A photovoltaic module power tester according to claim 3, characterized in that: A rubber pad (20) is provided on one side of the clamping block (17).

5. A photovoltaic module power tester according to claim 1, characterized in that: The rotating assembly comprises a second motor (11), the second motor (11) is arranged on one side of the mounting block (8), a gear (12) is arranged at one end of the output shaft of the second motor (11), a gear ring (13) is fixedly connected to the outer side of the rotating rod (9), and the gear (12) is meshed with the gear ring (13).

6. A photovoltaic module power tester according to claim 1, characterized in that: The displacement assembly comprises a receiving groove (5), wherein the receiving groove (5) is equidistantly arranged on the top of the workbench (1), and a bidirectional screw rod (6) is rotatably connected inside the receiving groove (5). A first motor (7) is arranged on one side of the workbench (1), and one end of an output shaft of the first motor (7) is fixedly connected to one end of the bidirectional screw rod (6). A moving block (10) is fixedly connected to the bottom of the mounting block (8), and the inside of the moving block (10) is threadedly connected to the outside of the bidirectional screw rod (6), and the outside of the moving block (10) is slidably connected to the inside of the receiving groove (5).

7. A photovoltaic module power tester according to claim 1, characterized in that: The lighting lamp (4), the first motor (7) and the second motor (11) are all electrically connected.

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