Photovoltaic cell bending strength detection device

Abstract

The utility model discloses a photovoltaic cell bending strength detection device, which belongs to the technical field of photovoltaic cells, and comprises a support frame, a fixing frame, a pressing assembly, a driving assembly, an adjusting assembly, a collecting assembly and two fixing assemblies, the support frame is connected with the fixing frame; according to the utility model, the angle of the adjusting assembly is controlled through the driving assembly, so that the inclined part of the photovoltaic cell can be stressed to carry out bending strength detection, the second motor capable of working can control the length of the adjusting assembly, and when the width formed by the fixed pipe and the two movable pipes is greater than the width of the photovoltaic cell, the bending strength of the photovoltaic cell can be detected. The bending strength of the whole photovoltaic cell can be detected, and when the width formed by the fixed pipe and the two movable pipes is smaller than the width of the photovoltaic cell, the bending strength of the middle part of the photovoltaic cell can be detected, so that the device can detect the bending strength of the photovoltaic cell according to actual conditions. And the adaptability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic cells, and in particular relates to a photovoltaic cell bending strength detection device. Background Art

[0002] However, during the production process of these photovoltaic module products, laser cutting technology is required to cut the original standard photovoltaic cells into several small pieces, which affects the bending strength performance of the cells and may also lead to a breakage rate in the photovoltaic module manufacturing process. Before the photovoltaic cells leave the factory, they are usually subjected to bending strength-related tests to determine whether the photovoltaic cell products are qualified.

[0003] Looking at the existing equipment for testing the bending strength of photovoltaic cells, it is generally found that the bending strength of the photovoltaic cell as a whole is only tested, but the bending strength of a certain part in the middle of the photovoltaic cell cannot be tested, which reduces the adaptability of the device. Therefore, a photovoltaic cell bending strength testing device is needed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a photovoltaic cell bending strength detection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic cell bending strength detection device, comprising a support frame, a fixing frame, a pressing component, a driving component, an adjusting component, a collecting component and two fixing components, wherein the support frame is connected to the fixing frame;

[0006] The pressing assembly includes a first cylinder and two sliding rods, the bottom ends of the first cylinder and the two sliding rods are connected to a movable plate, a limiting hole is provided at the bottom of the movable plate, and a connecting frame is connected to the top of the movable plate;

[0007] The driving assembly includes a first motor, the output shaft of the first motor is connected to a worm, the worm is rotatably connected above the movable plate, the worm is meshed with a worm wheel, and a rotating rod is connected inside the worm wheel;

[0008] The adjustment component includes a fixed tube, which is connected to the bottom end of the rotating rod, a second motor is connected inside the fixed tube, two movable tubes are slidably connected inside the fixed tube, the output shafts at both ends of the second motor are connected to the threaded tubes, threaded rods are threadedly connected in the two threaded tubes, and the ends of the two threaded rods that are far away from each other are connected to the movable tube.

[0009] As a preferred solution, the fixed assembly includes a second cylinder, two guide rods and a second roller, the second cylinder and the two guide rods are connected in a support frame, the bottom ends of the second cylinder and the two guide rods are connected to a movable frame, the movable frame is rotatably connected with a first roller, and the second roller is rotatably connected in the support frame.

[0010] As a preferred solution, four sliding holes are opened in the support frame, and both ends of the two first rollers are slidably connected in the sliding holes.

[0011] As a preferred solution, two limiting blocks are slidably connected in the limiting hole, the limiting blocks are in an L-shape, and the limiting hole is in a circular shape.

[0012] As a preferred solution, the collecting assembly includes a collecting shell, the collecting shell is connected to the bottom of the supporting frame, a collecting cavity is defined in the collecting shell, and the front side of the collecting shell is hinged to the door panel via a hinge.

[0013] As a preferred solution, the thread directions of the two threaded rods are opposite, and the bottom of the collecting chamber is set to be inclined.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is provided with a pressing component, a driving component and an adjusting component, and the angle of the adjusting component can be controlled by the driving component, so that the inclined part of the photovoltaic cell piece can be subjected to force to perform bending strength detection, and the operable second motor can control the length of the adjusting component. When the width formed by the fixed tube and the two movable tubes is wider than the width of the photovoltaic cell piece, the overall bending strength of the photovoltaic cell piece can be detected, and when the width formed by the fixed tube and the two movable tubes is smaller than the width of the photovoltaic cell piece, the bending strength of the middle part of the photovoltaic cell piece can be detected, so that the device can detect the bending strength of the photovoltaic cell piece according to actual conditions, thereby improving the adaptability of the device;

[0016] The utility model is provided with a fixing assembly, and the extended second cylinder can drive the first roller to move downward through the movable frame, thereby pressing the photovoltaic cell sheet between the first roller and the second roller. When the middle part of the photovoltaic cell sheet is pressed downward, the two sides of the photovoltaic cell sheet are not easy to be lifted, so that the parts of the photovoltaic cell sheet fixed by the first roller and the second roller on both sides can be bent synchronously, so that the photovoltaic cell sheet can detect the bending strength of multiple parts at the same time, thereby improving the detection quality of the photovoltaic cell sheet.

[0017] The utility model is provided with a support frame, a fixing component and a collecting component. The support frame can block the broken photovoltaic cells, and the two fixing components can fix the broken photovoltaic cells, so that the two sides of the photovoltaic cells are not easy to splash when they are broken, and the fragments of the photovoltaic cells can automatically fall into the collecting cavity, and then can slide to the periphery of the door panel through the inclined collecting cavity, and then the door panel can be opened to clean the fragments in the collecting cavity, which is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model in a frontal perspective;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0020] Figure 3 It is a schematic diagram of a sectional structure of the utility model in a side view;

[0021] Figure 4 It is a schematic diagram of a partial three-dimensional cross-sectional structure of the utility model;

[0022] Figure 5 It is a schematic diagram of a partial three-dimensional cross-sectional structure of the utility model viewed from above;

[0023] Figure 6 It is a schematic diagram of a sectional structure of a partial side view of the utility model.

[0024] In the figure: 1. support frame; 2. fixed frame; 3. pressing assembly; 31. first cylinder; 32. sliding rod; 33. movable plate; 34. limiting hole; 35. connecting frame; 4. driving assembly; 41. first motor; 42. worm; 43. worm wheel; 44. rotating rod; 45. limiting block; 5. adjusting assembly; 51. fixed tube; 52. second motor; 53. threaded tube; 54. threaded rod; 55. movable tube; 6. sliding hole; 7. collecting assembly; 71. collecting shell; 72. collecting chamber; 73. door panel; 8. fixing assembly; 81. second cylinder; 82. guide rod; 83. movable frame; 84. first roller; 85. second roller. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with embodiments.

[0026] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0027] See also Figure 1-6The utility model provides a photovoltaic cell bending strength detection device, comprising a support frame 1, a fixing frame 2, a pressing component 3, a driving component 4, an adjusting component 5, a collecting component 7 and two fixing components 8, wherein the support frame 1 is connected to the fixing frame 2;

[0028] The pressing assembly 3 includes a first cylinder 31 and two slide bars 32. The bottom ends of the first cylinder 31 and the two slide bars 32 are connected to a movable plate 33. A limiting hole 34 is provided at the bottom of the movable plate 33. A connecting frame 35 is connected above the movable plate 33.

[0029] The driving assembly 4 includes a first motor 41, the output shaft of the first motor 41 is connected to a worm 42, the worm 42 is rotatably connected above the movable plate 33, the worm 42 is meshed with a worm wheel 43, and a rotating rod 44 is connected inside the worm wheel 43;

[0030] The adjustment component 5 includes a fixed tube 51, which is connected to the bottom end of the rotating rod 44. A second motor 52 is connected inside the fixed tube 51. Two movable tubes 55 are slidably connected inside the fixed tube 51. The output shafts at both ends of the second motor 52 are connected to the threaded tube 53. The two threaded tubes 53 are threadedly connected with threaded rods 54. The ends of the two threaded rods 54 that are far away from each other are connected to the movable tube 55.

[0031] The fixing assembly 8 includes a second cylinder 81, two guide rods 82 and a second roller 85. The second cylinder 81 and the two guide rods 82 are connected to the support frame 1. The bottom ends of the second cylinder 81 and the two guide rods 82 are connected to the movable frame 83. The first roller 84 is rotatably connected to the movable frame 83. The second roller 85 is rotatably connected to the support frame 1. Four sliding holes 6 are provided in the support frame 1. Both ends of the two first rollers 84 are slidably connected to the sliding holes 6. Two limiting blocks 45 are slidably connected to the limiting holes 34. The shape of the limiting blocks 45 is set to be L-shaped, and the shape of the limiting holes 34 is set to be circular. The collecting assembly 7 includes a collecting shell 71. The collecting shell 71 is connected to the bottom of the support frame 1. A collecting chamber 72 is provided in the collecting shell 71. The front side of the collecting shell 71 is hinged to the door panel 73 through a hinge. The thread directions of the two threaded rods 54 are opposite, and the bottom of the collecting chamber 72 is set to be inclined.

[0032] The working principle and use process of the utility model are as follows: when the device needs to be used, the photovoltaic cell is moved from the side between the two first rollers 84 and the two second rollers 85, and the second cylinder 81 is controlled to extend. The two extended second cylinders 81 both drive the movable frame 83 to move downward, and the movable frame 83 moving downward drives the first roller 84 to move downward in the slide hole 6, and the two first rollers 84 moving downward contact the top of the photovoltaic cell, and then the photovoltaic cell can be fixed between the two groups of first rollers 84 and second rollers 85;

[0033] When the overall bending strength of the photovoltaic cell needs to be tested, the second motor 52 is controlled to drive the two threaded barrels 53 to rotate, and the two rotating threaded barrels 53 respectively drive the two movable tubes 55 to move away from each other in the fixed tube 51 through the threaded rod 54, so that the width formed by the fixed tube 51 and the two movable tubes 55 is wider than the width of the photovoltaic cell, and then the first cylinder 31 is controlled to extend, and the extended first cylinder 31 drives the movable plate 33 to move downward, and the movable plate 33 moving downward drives the fixed tube 51 to move downward through the rotating rod 44, and the fixed tube 51 moving downward synchronously drives the two movable tubes 55 to press the photovoltaic cell, so that the photovoltaic cell is bent, and then the bending strength of the photovoltaic cell can be known by observing the bending angle of the photovoltaic cell;

[0034] When the bending strength of the middle part of the photovoltaic cell needs to be tested, the second motor 52 is controlled to drive the two threaded barrels 53 to reverse, and the two reversed threaded barrels 53 respectively drive the two movable tubes 55 to approach each other through the threaded rod 54, so that the width formed by the fixed tube 51 and the two movable tubes 55 is smaller than the width of the photovoltaic cell, and then the fixed tube 51 moving downward can drive the two movable tubes 55 to press the photovoltaic cell, so that the photovoltaic cell is bent, and then the bending strength of the photovoltaic cell can be known by observing the bending angle of the photovoltaic cell;

[0035] When it is necessary to test the bending strength of the inclined part in the middle of the photovoltaic cell, the first motor 41 is controlled to work, and the working first motor 41 drives the worm 42 to rotate, and the rotating worm 42 drives the rotating rod 44 to rotate through the worm gear 43, and the rotating rotating rod 44 drives the fixed tube 51 to rotate, so that the fixed tube 51 can be rotated to a suitable angle, and then the inclined fixed tube 51 can drive the two movable tubes 55 to move downward synchronously and press the photovoltaic cell, so that the bending strength of the inclined part of the photovoltaic cell can be tested.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic cell bending strength testing device, comprising a support frame (1), a fixing frame (2), a pressing component (3), a driving component (4), an adjusting component (5), a collecting component (7) and two fixing components (8), characterized in that: The support frame (1) is connected to the fixing frame (2); The pressing assembly (3) comprises a first cylinder (31) and two sliding rods (32); the bottom ends of the first cylinder (31) and the two sliding rods (32) are connected to a movable plate (33); a limiting hole (34) is provided at the bottom of the movable plate (33); and a connecting frame (35) is connected above the movable plate (33); The driving assembly (4) comprises a first motor (41), the output shaft of the first motor (41) is connected to a worm (42), the worm (42) is rotatably connected above the movable plate (33), the worm (42) is meshed with a worm wheel (43), and a rotating rod (44) is connected inside the worm wheel (43); The adjustment assembly (5) comprises a fixed tube (51), the fixed tube (51) being connected to the bottom end of the rotating rod (44), a second motor (52) being connected inside the fixed tube (51), two movable tubes (55) being slidably connected inside the fixed tube (51), output shafts at both ends of the second motor (52) being connected to threaded cylinders (53), threaded rods (54) being threadedly connected inside the two threaded cylinders (53), and ends of the two threaded rods (54) being far away from each other being connected to the movable tube (55).

2. A photovoltaic cell bending strength detection device according to claim 1, characterized in that: The fixed assembly (8) comprises a second cylinder (81), two guide rods (82) and a second roller (85); the second cylinder (81) and the two guide rods (82) are connected in the support frame (1); the bottom ends of the second cylinder (81) and the two guide rods (82) are connected to a movable frame (83); a first roller (84) is rotatably connected in the movable frame (83); and the second roller (85) is rotatably connected in the support frame (1).

3. A photovoltaic cell bending strength detection device according to claim 1, characterized in that: Four sliding holes (6) are provided in the support frame (1), and both ends of the two first rollers (84) are slidably connected in the sliding holes (6).

4. A photovoltaic cell bending strength testing device according to claim 1, characterized in that: Two limiting blocks (45) are slidably connected in the limiting hole (34); the limiting blocks (45) are L-shaped, and the limiting hole (34) is circular.

5. A photovoltaic cell bending strength testing device according to claim 1, characterized in that: The collecting assembly (7) comprises a collecting shell (71), the collecting shell (71) being connected to the bottom of the supporting frame (1), a collecting cavity (72) being provided in the collecting shell (71), and the front surface of the collecting shell (71) being hinged to a door panel (73) via a hinge.

6. A photovoltaic cell bending strength testing device according to claim 5, characterized in that: The thread directions of the two threaded rods (54) are opposite, and the bottom of the collecting chamber (72) is arranged to be inclined.

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