A static pressure testing device for a solar cell module

Abstract

The present invention discloses a static pressure testing device for a solar cell module, which relates to the technical field of solar cells. The technical solution is as follows: it includes a box body, and a test cavity for carrying the solar panel to be tested is arranged in the middle of the upper surface of the box body; a box cover is connected to the box body through a hinge mechanism, and a test unit for static pressure testing of the solar panel is arranged on the box cover; a fastening mechanism for fixing the box cover is also arranged on the box body, and a driving unit for driving the fastening mechanism and the hinge mechanism to work. The beneficial effects of the present invention are as follows: it can simulate various actual environmental factors, such as hail impact and snow cover. Compared with the traditional single full-coverage test, it can perform local fixed-point testing and overall testing on the photovoltaic panel, improving the comprehensiveness and accuracy of the test; through the cooperation of different test heads and pressure sensors, it can accurately obtain test data and provide a basis for optimizing the product.

Description

Technical Field

[0001] The present invention relates to the technical field of solar cells, and particularly relates to a static pressure testing device for a solar cell module. Background Art

[0002] A solar photovoltaic power generation system is a new type of power generation system that uses the photovoltaic effect of semiconductor materials in solar cells to directly convert solar light radiation energy into electrical energy.

[0003] Solar photovoltaic panels are installed outdoors. In an outdoor open environment, solar cell modules will be affected by various environmental factors, such as hail impact, snow cover, etc. The current popular testing method is to conduct a destructive test on its surface with a hard object to obtain the compressive strength of the photovoltaic panel. In the actual production process, usually heavy objects are stacked on the photovoltaic panel (such as stacking sandbags or applying pressure with a cylinder), and in the production process, a single full-coverage test cannot perform a fixed-point test on the local surface of the photovoltaic panel, resulting in poor test effects and low test efficiency. Summary of the Invention

[0004] In view of the above technical problems, the present invention provides a static pressure testing device for a solar cell module.

[0005] The technical solution is as follows: It includes a box body, and a test cavity for carrying the solar panel to be tested is arranged in the middle of the upper surface of the box body;

[0006] A box cover is connected to the box body through a hinge mechanism, and a test unit for static pressure testing of the solar panel is arranged on the box cover;

[0007] A fastening mechanism for fixing the box cover and a driving unit for driving the fastening mechanism and the hinge mechanism to work are further arranged on the box body.

[0008] Preferably, the hinge mechanism includes sliding grooves opened on both sides of the box body, an arc-shaped guide groove is opened at the upper end of each sliding groove, and a lifting rod is slidably arranged in the sliding groove;

[0009] Two sliding rods are fixedly arranged at one end of the lifting rod, the two sliding rods slide in the sliding groove, and the distance between the two sliding rods corresponds to the radius of the guide groove;

[0010] An installation plate is fixedly arranged at the end of the lifting rod far from the sliding rod, and the box cover is fixedly arranged on the installation plate.

[0011] Preferably, a connecting rod is rotatably arranged at the end of the lifting rod far from the installation plate;

[0012] A swing arm is rotatably arranged on the box body. The movable end of the swing arm is rotatably connected to one end of the connecting rod. The rotating end of the swing arm is fixedly provided with a driven gear through notification. One side of the driven gear meshes with a driving gear.

[0013] Preferably, the driving unit includes a transmission rod fixedly connecting the two driving gears;

[0014] An output bevel gear is fixedly arranged in the middle of the transmission rod. One side of the output bevel gear meshes with an input bevel gear. The input bevel gear is rotatably connected to the box body. A wrench is fixedly arranged on the input bevel gear, and the wrench extends to the outside of the box body.

[0015] Preferably, the fastening mechanism includes a control board located in the middle of the box body. A clamping arm is rotatably arranged at each of the four corners of the control board. The lower end of each clamping arm is rotatably connected to the control board. A through groove is formed in the middle of the clamping arm. The through groove corresponds to the shape of the clamping arm. The clamping arm is slidably connected to the box body through the through groove;

[0016] A clamping plate is fixedly arranged at the upper end of the clamping arm.

[0017] Preferably, a driving bevel gear is coaxially and fixedly arranged at each of the two ends of the rod body of the transmission rod. The driving bevel gear is an incomplete gear;

[0018] A through hole is formed at each of the two ends of the control board. An adjusting rod is rotatably arranged in the through hole. A driven bevel gear is fixedly arranged at the upper end of the adjusting rod. The teeth of the driven bevel gear mesh with the teeth of the driving bevel gear;

[0019] A plurality of spiral grooves are formed on the rod body of the adjusting rod. A plurality of bumps are fixedly arranged on the through hole. Each bump slides in one of the spiral grooves.

[0020] Preferably, a locking hook is rotatably arranged at each of the two ends of the box body. When the wrench moves to one end of the box body, the wrench is detachably connected to one of the locking hooks.

[0021] Preferably, a plurality of test holes are formed in the middle of the box cover. A test unit is arranged in one of the test holes, and the remaining test holes are blocked by plug blocks;

[0022] The test unit includes an electric push rod detachably connected to the box cover, and a test head detachably connected to the movable end of the electric push rod.

[0023] The beneficial effects brought by the technical solution provided by the embodiments of the present invention are as follows: It can simulate various actual environmental factors, such as hail impact and snow cover. Compared with the traditional single full-coverage test, it can perform local fixed-point tests and overall tests on photovoltaic panels, improving the comprehensiveness and accuracy of the tests; through the cooperation of different test heads and pressure sensors, it can accurately obtain test data, providing a basis for optimizing products; at the same time, the convenient operation method and unique design of the box cover opening improve the test efficiency, meet the actual production requirements, and help to improve the quality and reliability of solar cell modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall structure of the embodiments of the present invention Figure 1 。

[0025] Figure 2 is a schematic diagram of the overall structure of the embodiments of the present invention Figure 2 。

[0026] Figure 3 is a schematic diagram of the internal structure of the box of the embodiments of the present invention.

[0027] Figure 4 is a schematic diagram of the box cover and hinge mechanism of the embodiments of the present invention.

[0028] Figure 5 is a schematic diagram of the fastening mechanism and drive unit of the embodiments of the present invention.

[0029] Figure 6 is a schematic diagram of the driving bevel gear and driven bevel gear of the embodiments of the present invention.

[0030] Figure 7 is a schematic diagram of the box cover structure of the embodiments of the present invention.

[0031] Figure 8 is a schematic diagram of the box structure of the embodiments of the present invention.

[0032] Figure 9 is Figure 8 a schematic diagram of the structure of part A of

[0033] Among them, the reference numerals are: 1, box body; 1-1, test cavity; 1-2, box cover; 1-3, test unit; 1-4, electric push rod; 1-5, plug block; 2, hinge mechanism; 2-1, chute; 2-2, guide groove; 2-3, lifting rod; 2-4, mounting plate; 2-5, connecting rod; 2-6, swing arm; 2-7, driven gear; 2-8, driving gear; 3, fastening mechanism; 3-1, control board; 3-2, clamping arm; 3-3, through groove; 3-4, clamping plate; 3-5, driving bevel gear; 3-6, driven bevel gear; 3-7, adjusting rod; 3-8, spiral groove; 4, driving unit; 4-1, transmission rod; 4-2, output bevel gear; 4-3, input bevel gear; 4-4, wrench; 4-5, locking hook; 5, battery assembly. Detailed implementation manners

[0034] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments may be combined with each other.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "mounting", "connecting" and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0038] Example 1

[0039] Refer to Figures 1 to 9 , the present invention provides a static pressure test device for a solar cell module, including a box body 1, and a test cavity 1-1 for carrying a solar panel to be tested is arranged in the middle of the upper surface of the box body 1;

[0040] A box cover 1-2 is connected to the box body 1 through a hinge mechanism 2, and a test unit 1-3 for static pressure testing of the solar panel is arranged on the box cover 1-2;

[0041] A fastening mechanism 3 for fixing the box cover 1-2 and a driving unit 4 for driving the fastening mechanism 3 and the hinge mechanism 2 to work are further arranged on the box body 1.

[0042] The hinge mechanism 2 includes sliding grooves 2-1 opened on both sides of the box body 1, and an arc-shaped guide groove 2-2 is opened at the upper end of each sliding groove 2-1. The center of the guide groove 2-2 is coaxial with the upper end of the sliding groove 2-1, and a lifting rod 2-3 is slidably arranged in the sliding groove 2-1;

[0043] Two sliding rods are fixedly arranged at one end of the lifting rod 2-3, and the two sliding rods slide in the sliding groove 2-1. The distance between the two sliding rods corresponds to the radius of the guide groove 2-2;

[0044] The lifting rod 2-3 is Z-shaped, and a mounting plate 2-4 is fixedly arranged at the end of the lifting rod 2-3 away from the sliding rod, and the box cover 1-2 is fixedly arranged on the mounting plate 2-4.

[0045] A connecting rod 2-5 is rotatably arranged at the end of the lifting rod 2-3 away from the mounting plate 2-4;

[0046] A swing arm 2-6 is rotatably arranged on the box body 1. The movable end of the swing arm 2-6 is rotatably connected to one end of the connecting rod 2-5. A driven gear 2-7 is fixedly arranged at the rotating end of the swing arm 2-6, and a driving gear 2-8 is meshed on one side of the driven gear 2-7;

[0047] When the driving gear 2-8 rotates, the driving gear 2-8 drives the driven gear 2-7 to rotate. Under the action of the swing arm 2-6, the driven gear 2-7 drives the connecting rod 2-5 to move. When the connecting rod 2-5 moves, the state of the lifting rod 2-3 is changed;

[0048] When the swing arm 2-6 rotates upward, under the action of the connecting rod 2-5, the swing arm 2-6 pushes the lifting rod 2-3 to move upward. When a sliding rod at the upper end of the lifting rod 2-3 moves to the upper end of the chute 2-1, with the continuous movement of the connecting rod 2-5, it drives the other sliding rod to move along the curved guide groove 2-2. At this time, the two sliding rods are in a horizontal state. Under the action of the lifting rod 2-3, the box cover 1-2 is placed vertically, and the test cavity 1-1 is completely exposed, facilitating the loading and unloading of the battery assembly 5; the operator can easily place the battery assembly 5 to be tested into the test cavity 1-1 or take out the battery assembly 5 that has been tested. The whole process is efficient and convenient; at the same time, the vertically placed box cover 1-2 does not occupy too much space, providing greater freedom for operation;

[0049] Under the action of the hinge mechanism 2, when the box cover 1-2 opens, the box cover 1-2 first moves upward a certain distance and then flips. Conversely, when the box cover 1-2 closes, the box cover 1-2 first flips above the box body 1 and then moves downward until the box cover 1-2 closely adheres to the upper end of the box body 1;

[0050] When the swing arm 2-6 rotates downward, under the action of the connecting rod 2-5, the swing arm 2-6 drives the lifting rod 2-3 to move downward. One end of the lifting rod 2-3 first moves along the curved guide groove 2-2 to make the two sliding rods in a vertical state. With the continuous movement of the swing arm 2-6, both sliding rods move to the lower part of the chute 2-1. At this time, the box cover 1-2 can tightly cover the test cavity 1-1; this design ensures that during the test process, the test cavity 1-1 is in a closed state, avoiding interference from external factors on the test results; the tight closure of the box cover 1-2 can effectively prevent dust, moisture, etc. from entering the test cavity 1-1, ensuring the stability and reliability of the test environment; in addition, good sealing performance also helps to improve the accuracy and precision of the test, providing a more reliable basis for the performance evaluation of the battery assembly 5.

[0051] At the same time, the sealed box cover 1-2 can prevent the battery assembly 5 from breaking during the test, thus reducing the risk of injuring personnel; further, in the later stage, the airtightness test of the battery assembly can be carried out, and a certain pressure is applied to the battery assembly through gas, so as to realize the static pressure test of the battery assembly.

[0052] Further, two spring pins are arranged at the upper end of the sliding groove 2-1. When the sliding rod moves upward, one of the sliding rods moves to the upper end of the spring pin. When the swing arm 2-6 rotates downward, under the action of the spring pin, one end of the lifting rod 2-3 first moves along the curved guide groove 2-2, so that the two sliding rods are in a vertical state. At this time, the box cover 1-2 is horizontally placed. As the swing arm 2-6 continues to move, the lifting rod 2-3 will continue to move downward, and both sliding rods move to the lower part of the sliding groove 2-1. At this time, the box cover 1-2 can tightly cover the test cavity 1-1.

[0053] The driving unit 4 includes a transmission rod 4-1 fixedly connecting two driving gears 2-8;

[0054] An output bevel gear 4-2 is fixedly arranged in the middle of the transmission rod 4-1. One side of the output bevel gear 4-2 meshes with an input bevel gear 4-3. The input bevel gear 4-3 is rotatably connected to the box body 1. A wrench 4-4 is fixedly arranged on the input bevel gear 4-3, and the wrench 4-4 extends to the outside of the box body 1.

[0055] When preparing to perform a static pressure test on the solar cell module 5, the operator first places the battery module 5 to be tested in the test cavity 1-1. The operator rotates the wrench 4-4, driving the input bevel gear 4-3 fixedly connected thereto to rotate. Since the input bevel gear 4-3 meshes with the output bevel gear 4-2, the rotation of the input bevel gear 4-3 will cause the output bevel gear  4-2 to rotate accordingly. The output bevel gear 4-2 is fixed in the middle of the transmission rod 4-1, and its rotation will drive the transmission rod 4-1 to rotate;

[0056] The rotation of the transmission rod 4-1 will cause the two driving gears 2-8 to rotate synchronously; the driving gear 2-8 drives the driven gear 2-7 to rotate, and the driven gear 2-7 drives the connecting rod 2-5 to move under the action of the swing arm 2-6. When the connecting rod 2-5 moves, it drives the state of the lifting rod 2-3 to change.

[0057] The fastening mechanism 3 includes a control board 3-1 located in the middle of the box body 1. A clamping arm 3-2 is rotatably arranged at each of the four corners of the control board 3-1. The lower end of each clamping arm 3-2 is rotatably connected to the control board 3-1. A through groove 3-3 is formed in the middle of the clamping arm 3-2. The through groove 3-3 corresponds to the shape of the clamping arm 3-2. The clamping arm 3-2 is slidably connected to the box body 1 through the through groove 3-3;

[0058] A clamping plate 3-4 is fixedly arranged at the upper end of the clamping arm 3-2.

[0059] The clamping arm 3-2 is V-shaped, the angle between the two ends of the clamping arm 3-2 is an obtuse angle, the upper end of the clamping arm 3-2 is a vertical part, and the lower end is an inclined part. A rotating shaft is provided on the box body 1, and the box body 1 slides through the rotating shaft and the through groove 3-3. When the control plate 3-1 moves upward, at this time, the clamping arm 3-2 moves upward under the action of the vertical part of the through groove 3-3, and the clamping plate 3-4 disengages from the clamping of the box cover 1-2. When the rotating shaft is located at the inclined part of the through groove 3-3, as the control plate 3-1 moves upward, the upper end of the clamping arm 3-2 flips to the side away from the control plate 3-1, facilitating the opening of the box cover 1-2.

[0060] At both ends of the rod body of the transmission rod 4-1, a driving bevel gear 3-5 is coaxially and fixedly arranged respectively. The driving bevel gear 3-5 is an incomplete gear.

[0061] Through holes are respectively opened at both ends of the control plate 3-1. An adjusting rod 3-7 is rotatably arranged in the through holes. A driven bevel gear 3-6 is fixedly arranged at the upper end of the adjusting rod 3-7. The teeth of the driven bevel gear 3-6 mesh with the teeth of the driving bevel gear 3-5.

[0062] A number of spiral grooves 3-8 are opened on the rod body of the adjusting rod 3-7. A number of convex blocks are fixedly arranged on the through holes. Each convex block slides in one of the spiral grooves 3-8 respectively.

[0063] The operator rotates the wrench 4-4, driving the input bevel gear 4-3 fixedly connected thereto to rotate. Since the input bevel gear 4-3 meshes with the output bevel gear 4-2, the rotation of the input bevel gear 4-3 will cause the output bevel gear 4-2 to rotate accordingly. The output bevel gear 4-2 is fixed in the middle of the transmission rod 4-1, and its rotation will drive the transmission rod 4-1 to rotate.

[0064] The driving bevel gears 3-5 at both ends of the transmission rod 4-1 rotate accordingly. Since the driving bevel gear 3-5 is an incomplete gear, during its rotation, when the toothed part contacts the driven bevel gear 3-6, it drives the driven bevel gear 3-6 to rotate. The driven bevel gear 3-6 is fixed at the upper end of the adjusting rod 3-7. The rotation of the driven bevel gear 3-6 causes the adjusting rod 3-7 to rotate in the through hole. The spiral grooves 3-8 on the rod body of the adjusting rod 3-7 interact with the convex blocks on the through hole. As the adjusting rod 3-7 rotates, the convex blocks slide in the grooves, so that the adjusting rod 3-7 generates a displacement in the up and down direction while rotating, thereby driving the control plate 3-1 to move up and down, realizing the position adjustment of the clamping arm 3-2 to meet the clamping requirement of the box cover 1-2 during the test.

[0065] When the user wants to open the lid 1-2, while turning the wrench 4-4, the user controls the expansion of the clamping arm 3-2 and the opening of the lid 1-2 respectively. When the clamping arm 3-2 expands and the toothed part of the driving bevel gear 3-5 separates from the driven bevel gear 3-6, the clamping arm 3-2 maintains the expanded state until the lid 1-2 is fully opened;

[0066] When closing the lid 1-2, the user turns the wrench 4-4 in the reverse direction. During the closing process of the lid 1-2, when the toothed part contacts the driven bevel gear 3-6, it drives the driven bevel gear 3-6 to rotate. Under the action of the adjusting rod 3-7, it further drives the control board 3-1 to move up and down, realizing the position adjustment of the clamping arm 3-2 to meet the clamping requirement of the lid 1-2 during the test process.

[0067] A locking hook 4-5 is rotatably arranged at each end of the box body 1. When the wrench 4-4 moves to one end of the box body 1, the wrench 4-4 is detachably connected to one of the locking hooks 4-5.

[0068] When the lid 1-2 needs to be opened or closed, the operator turns the wrench 4-4 located outside the box body 1. During the operation, when the wrench 4-4 moves to one end of the box body 1, the wrench 4-4 can be detachably connected to the locking hook 4-5 located at that end.

[0069] This connection can play a role in fixing the position of the wrench 4-4, preventing the wrench 4-4 from rotating randomly when not needed, thus avoiding unnecessary interference with the normal operation of the test device, being able to limit the position of the lid 1-2, ensuring that the lid 1-2 can closely fit the box body 1 in the closed state, maintaining the tightness of the test cavity 1-1. When the wrench 4-4 is connected to the locking hook 4-5, the generated binding force will be transmitted to the fastening mechanism 3 related to the lid 1-2, making the lid 1-2 more firmly in the closed position, preventing the lid 1-2 from accidentally opening due to external vibration or other factors during the test, affecting the accuracy and safety of the test; at the same time, when the wrench 4-4 needs to be used for operation again, the wrench 4-4 can be conveniently detached from the locking hook 4-5 and continue with the corresponding adjustment actions.

[0070] Several test holes are opened in the middle of the lid 1-2. A test unit 1-3 is arranged in one of the test holes, and the remaining test holes are blocked by plugs 1-5;

[0071] The test unit 1-3 includes an electric push rod 1-4 detachably connected to the lid 1-2, and a test head detachably connected to the movable end of the electric push rod 1-4.

[0072] Furthermore, the test head can be a point test head or a plate test head. The point test head can perform point tests on the battery assembly 5. By replacing the electric push rods 1-4 with different test holes, different positions of the battery assembly 5 can be tested, thereby simulating the gravity impact of hail falling on the photovoltaic panel and testing the physical impact load of hail on the photovoltaic panel. By performing point tests at different positions, the fragility and strength differences of the photovoltaic panel at different positions can be fully understood, providing an important basis for optimizing the design and installation of photovoltaic panels.

[0073] The plate-shaped test head can perform an overall test on the battery assembly 5, can cover a larger test area at one time, comprehensively evaluate the overall performance of the battery assembly 5, and simulate the load condition of the battery assembly 5 such as snow cover. By applying uniform pressure to the battery assembly 5, the plate-shaped test head can detect the performance changes of the battery assembly 5 under the overall load, including the stability of the output power, the integrity of the structure, etc.; this testing method helps to evaluate the reliability and durability of the battery assembly 5 in various harsh environments, and provide protection for the long-term stable operation of the photovoltaic system.

[0074] Furthermore, a pressure sensor is provided on the test head. When the point test head performs a point test on the battery assembly 5, the pressure sensor can accurately measure the instantaneous pressure value during the simulated hail impact. This can not only help researchers more accurately understand the specific impact strength of hail on different positions of the photovoltaic panel, but also provide quantitative data support for evaluating the impact resistance of the photovoltaic panel. By analyzing the hail impact test data of different positions and intensities, the material and structural design of the photovoltaic panel can be improved in a targeted manner to enhance its ability to resist hail impact.

[0075] When a plate-shaped test head is used to test the battery assembly 5 as a whole, the pressure sensor can monitor the pressure distribution under load conditions such as simulated snow cover in real time; this helps to fully understand the pressure differences on various parts of the battery assembly 5 under the overall load, thereby evaluating its stability and reliability under different load conditions; at the same time, the data from the pressure sensor can also be used to optimize the loading method and force control of the plate-shaped test head, ensuring the accuracy and repeatability of the test results; in short, setting a pressure sensor on the test head provides a more accurate and scientific testing method for the static pressure testing device of the solar cell assembly.

[0076] When the present invention is used, when preparing to perform a static pressure test on a solar cell assembly 5, the operator first places the battery assembly 5 to be tested in the test cavity 1-1, and then rotates the wrench 4-4 so that the box cover 1-2 tightly covers the test cavity 1-1;

[0077] When the toothed part of the driving bevel gear 3-5 contacts the driven bevel gear 3-6, it drives the driven bevel gear 3-6 to rotate. Under the action of the adjusting rod 3-7, it further drives the control plate 3-1 to move up and down, realizing the position adjustment of the clamping arm 3-2 to meet the clamping requirement of the box cover 1-2 during the test process.

[0078] According to the test requirements, select a suitable test head. The dot test head is used to simulate the dot impact of hail and can test different points of the battery module by switching positions through an electric push rod. The plate test head simulates large-area loads such as snow accumulation and tests the entire battery module. The combination of the two with pressure sensors provides a basis for evaluating the performance of the battery module.

[0079] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A static pressure testing device for a solar cell module, characterized in that, It includes a box body (1), and in the middle of the upper surface of the box body (1), a test cavity (1-1) is provided for carrying the solar panel to be tested. The box cover (1-2) is connected to the box body (1) through a hinge mechanism (2), and a test unit (1-3) for static pressure testing of the solar panel is provided on the box cover (1-2). A fastening mechanism (3) for fixing the box cover (1-2) and a driving unit (4) for driving the fastening mechanism (3) and the hinge mechanism (2) to work are also provided on the box body (1). The hinge mechanism (2) includes sliding grooves (2-1) opened on both sides of the box body (1). An arc-shaped guide groove (2-2) is opened at the upper end of each sliding groove (2-1). A lifting rod (2-3) is slidably arranged in the sliding groove (2-1). At one end of the lifting rod (2-3), two sliding rods are fixedly arranged. The two sliding rods slide in the sliding groove (2-1), and the distance between the two sliding rods corresponds to the radius of the guide groove (2-2). At the end of the lifting rod (2-3) away from the sliding rod, a mounting plate (2-4) is fixedly arranged, and the box cover (1-2) is fixedly arranged on the mounting plate (2-4). A connecting rod (2-5) is rotatably arranged at the end of the lifting rod (2-3) away from the mounting plate (2-4). A swing arm (2-6) is rotatably arranged on the box body (1). The movable end of the swing arm (2-6) is rotatably connected to one end of the connecting rod (2-5). A driven gear (2-7) is fixedly arranged at the rotating end of the swing arm (2-6). One side of the driven gear (2-7) meshes with a driving gear (2-8). The driving unit (4) includes a transmission rod (4-1) fixedly connecting the two driving gears (2-8). An output bevel gear (4-2) is fixedly arranged in the middle of the transmission rod (4-1). One side of the output bevel gear (4-2) meshes with an input bevel gear (4-3). The input bevel gear (4-3) is rotatably connected to the box body (1). A wrench (4-4) is fixedly arranged on the input bevel gear (4-3), and the wrench (4-4) extends to the outside of the box body (1). The fastening mechanism (3) includes a control board (3-1) located in the middle of the box body (1). A clamping arm (3-2) is rotatably arranged at each of the four corners of the control board (3-1). The lower end of each clamping arm (3-2) is rotatably connected to the control board (3-1). A through groove (3-3) is opened in the middle of the clamping arm (3-2). The through groove (3-3) corresponds to the shape of the clamping arm (3-2). The clamping arm (3-2) is slidably connected to the box body (1) through the through groove (3-3). A clamping plate (3-4) is fixedly arranged at the upper end of the clamping arm (3-2). A driving bevel gear (3-5) is coaxially fixedly arranged at each of the two ends of the rod body of the transmission rod (4-1). The driving bevel gear (3-5) is an incomplete gear. Both ends of the control board (3-1) are respectively provided with a through hole, and an adjusting rod (3-7) is rotatably arranged in the through hole. A driven bevel gear (3-6) is fixedly arranged at the upper end of the adjusting rod (3-7), and the teeth of the driven bevel gear (3-6) are engaged with the teeth of the driving bevel gear (3-5); A plurality of spiral grooves (3-8) are formed on the rod body of the adjusting rod (3-7), and a plurality of bumps are fixedly arranged on the through hole. Each of the bumps slides in one of the spiral grooves (3-8).

2. The static pressure test device for a solar cell module according to claim 1, characterized in that, A locking hook (4-5) is rotatably arranged at each end of the box body (1). When the wrench (4-4) moves to one end of the box body (1), the wrench (4-4) is detachably connected to one of the locking hooks (4-5).

3. The static pressure testing device for a solar cell module according to claim 1, wherein A plurality of test holes are formed in the middle of the box cover (1-2). A test unit (1-3) is arranged in one of the test holes, and the remaining test holes are blocked by a plug (1-5); The test unit (1-3) includes an electric push rod (1-4) detachably connected to the box cover (1-2), and a test head detachably arranged at the movable end of the electric push rod (1-4).

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