Ground crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine

Abstract

The utility model discloses a circulating dynamic mechanical load testing machine for a ground crystalline silicon photovoltaic assembly, which comprises a main bin body, a fixing assembly is arranged in the main bin body, the fixing assembly comprises a two-way screw rod, a plurality of movable clamping pieces are movably connected onto the two-way screw rod, and the two-way screw rod is fixedly connected with the main bin body. And a photovoltaic module body is clamped between the adjacent movable clamping pieces. According to the circulating dynamic mechanical load testing machine for the ground crystalline silicon photovoltaic module provided by the utility model, due to the characteristics of the two-way screw rod, the movable clamping pieces on the two-way screw rod can be controlled to move face to face or back to back in the rotating process of the two-way screw rod, so that the opening and closing degree is controlled to adapt to photovoltaic module bodies with different sizes; the adaptability is improved and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, in particular to a terrestrial crystalline silicon photovoltaic component cyclic dynamic mechanical load testing machine. Background Art

[0002] Photovoltaic panel components are a type of power generation device that generates direct current when exposed to sunlight. They are composed of thin solid photovoltaic cells that are almost entirely made of semiconductor materials (such as silicon). Therefore, the working environment of photovoltaic panels is mostly open-air. In open-air environments, photovoltaic panels will face changing natural weather, such as strong winds, rain, snow, hail, dust, etc. Therefore, photovoltaic panels need to undergo multiple tests before they are used in production.

[0003] For example, the publication number "CN116908018A" discloses "an impact resistance detection device for solar photovoltaic panels", including a device housing, an ice ball launching mechanism for simulating hail falling is arranged on the upper part of the device housing, and a clamping mechanism for placing solar panels is arranged on the lower part of the device; the clamping mechanism includes a "U"-shaped support frame fixedly arranged in the middle of the lower surface of the device housing, and an adjustment plate is rotatably arranged at both ends of the open end of the support frame, a fixed rod is fixedly arranged on one of the adjustment plates, and a rotating rod is rotatably arranged on the other adjustment plate, and a clamping unit is arranged between the fixed rod and the rotating rod. However, in actual applications, this type of detection device cannot adapt to photovoltaic panels of various sizes and has poor adaptability. Summary of the invention

[0004] In view of the problem that the existing technology mentioned in the background technology cannot adapt to photovoltaic panels of various sizes, the utility model provides a ground crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine, which can adapt to photovoltaic panels of various sizes for testing, improve adaptability and reduce production costs.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions.

[0006] A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine includes a main warehouse body, a fixing assembly is arranged in the main warehouse body, the fixing assembly includes a bidirectional screw, a plurality of movable clamping members are movably connected to the bidirectional screw, and a photovoltaic module body is clamped between adjacent movable clamping members. In the present application, a main warehouse body is provided, a cavity structure is arranged inside the main warehouse body, and a simulated space is provided for the photovoltaic module body through the cavity structure, wherein a fixing assembly is arranged on the main warehouse body, and the fixing assembly is used to fix the photovoltaic module body, wherein the fixing assembly realizes free opening and closing by arranging a bidirectional screw, and a plurality of movable clamping members are connected to the bidirectional screw. Due to the characteristics of the bidirectional screw, the movable clamping members thereon can be controlled to move toward or away from each other during the rotation of the bidirectional screw, and then the opening and closing size is controlled to adapt to photovoltaic module bodies of different sizes, thereby improving the adaptability of the device.

[0007] Preferably, the movable clamping member includes a movable rod connected to the bidirectional screw, the end of the movable rod away from the bidirectional screw is connected to a rotating connecting shaft, the rotating connecting shaft is connected to a fixed clamping plate, and the fixed clamping plate abuts against the photovoltaic module body. The movable clamping member is provided with a movable rod, wherein the movable rod is connected to the bidirectional screw, the other end of the movable rod away from the bidirectional screw is provided with a rotating connecting shaft, the rotating connecting shaft is connected to a fixed clamping plate, and the photovoltaic module body is connected via the fixed clamping plate. At the same time, due to the existence of the rotating connecting shaft, the fixed clamping plate can rotate relative to the movable rod, thereby changing the tilt angle of the photovoltaic module body, thereby expanding the range of simulation.

[0008] Preferably, the fixing assembly includes a protection frame, the bidirectional screw is arranged in the protection frame, a limiter is arranged on the protection frame, a sliding member is arranged on the movable clamping member, and the sliding member is slidably connected to the limiter. The bidirectional screw is protected and fixed by the protection frame to ensure stability during rotation, and a limiter is arranged on the protection frame, and a sliding member is correspondingly arranged on the movable clamping member, wherein the limiter and the sliding member are mutually engaged and relatively slidable matching structures, including but not limited to a slide groove and a slider structure, so as to achieve a guiding effect during the sliding process and ensure stability during the sliding process.

[0009] Preferably, a rotation drive mechanism is provided in the protection frame, and the rotation drive mechanism is connected to the bidirectional screw. A rotation drive mechanism is provided in the protection frame, wherein the rotation drive mechanism includes but is not limited to a drive motor, which can drive the bidirectional screw to rotate, thereby converting the translation movement of the movable clamping member.

[0010] Preferably, the main warehouse body includes a test warehouse and an air flow warehouse, the photovoltaic module body is arranged in the test warehouse, and the test warehouse is provided with an air network structure. The main warehouse body includes a test warehouse and an air flow warehouse, the test warehouse is connected with the air flow warehouse, so as to realize the circulation of air, and can cooperate with the accelerated rotation of the fan blades to make the air flow back and forth in the air flow warehouse and the test warehouse, and a control panel and an observation window are also arranged on the main warehouse body, the observation window is made of transparent material to ensure clear observation, and reinforced materials are used to avoid damage to the observation window caused by the internal simulation experiment environment.

[0011] Preferably, the main warehouse body is connected to an airflow simulation unit, and the photovoltaic module body includes a detection surface arranged near the airflow simulation unit. The main warehouse body is connected to an airflow simulation unit, wherein the airflow simulation unit can generate airflow to simulate strong winds in actual application, wherein the airflow simulation unit can generate airflow by driving the fan blades to rotate by a driving motor, or other ways of generating airflow, and the airflow simulation unit is connected to the main warehouse body to convey airflow.

[0012] Preferably, the airflow simulation unit is connected to a heating plate on one side close to the detected surface. A heating plate is arranged between the airflow simulation unit and the detected surface to simulate the damage of hot airflow to the photovoltaic module body through heating of the heating plate, thereby improving the richness and variability of the simulated environment.

[0013] Preferably, a simulation funnel is arranged above the main warehouse body, a control valve body is arranged on the simulation funnel, and the simulation funnel is connected to the main warehouse body. A simulation funnel is arranged on the main warehouse body, and the simulation funnel is arranged above the main warehouse body. During the experiment, different objects are poured into the simulation funnel to simulate different real environments, such as rain, snow, hail, dust and other weather, and the airflow simulation unit is cooperated to blow the airflow to make the simulated environment more realistic, so that sand, hail, rain, etc. are tilted by the wind and impact on the photovoltaic module body, thereby improving the accuracy of the detection, and a control valve body is arranged on the simulation funnel, and the opening and closing of the simulation funnel are controlled by the control valve body, thereby ensuring the sealing of the test warehouse.

[0014] Preferably, the simulation funnel includes an inlet, which is arranged between the airflow simulation unit and the detected surface. The simulation funnel includes an inlet connected to the main chamber, wherein the inlet is arranged between the airflow simulation unit and the detected surface. By arranging the inlet here, it can be ensured that the falling object in the simulation funnel can be blown by the simulated airflow, thereby impacting the detected surface of the photovoltaic module body, so that the test environment in the test chamber is closer to the real environment, thereby improving the accuracy of the test.

[0015] Preferably, the main warehouse body is provided with an opening, and a sealing cover plate is detachably connected to the opening. The main warehouse body is provided with an opening, and a sealing cover plate is detachably connected to the opening, wherein the detachable connection includes but is not limited to a sliding connection, a hinge, a bolt connection, etc., so that the photovoltaic module body in the test warehouse can be quickly taken out to improve efficiency.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) It can adapt to photovoltaic module bodies of different sizes, simulate various setting angles of photovoltaic module bodies, improve the adaptability of the detection device, and simulate different setting environments of photovoltaic module bodies;

[0018] (2) It can simulate the damage caused by strong winds to the photovoltaic modules, and can heat the passing air through the heating plate to simulate the damage caused by hot air flow to the photovoltaic modules;

[0019] (3) The test machine can monitor the impact resistance coefficient of the photovoltaic module body through a simulated funnel, and simulate the damage to the photovoltaic module body caused by external hail disasters, thereby effectively improving the detection functionality of the test machine and improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the first structural schematic diagram of the utility model.

[0021] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0022] Figure 3 yes Figure 1 Top view of the fixed components.

[0023] Figure 4 It is a second structural schematic diagram of the utility model.

[0024] Figure 5 It is a structural schematic diagram of Example 2.

[0025] Figure 6 It is a structural schematic diagram of Example 3.

[0026] In the figure:

[0027] 1 main chamber body, 11 test chamber, 12 air flow chamber, 13 air network structure, 14 opening, 15 sealing cover plate, 151 magnetic iron plate, 152 magnetic stone seat;

[0028] 2 fixed assembly, 21 bidirectional screw, 22 movable clamping member, 221 movable rod, 222 rotary connecting shaft, 223 fixed clamping plate, 224 sliding member, 23 protective frame, 231 limiting member, 24 rotary driving mechanism;

[0029] 3 photovoltaic module body, 31 detection surface;

[0030] 4 air flow simulation unit, 41 heating plate, 42 wind control motor, 43 fan blade;

[0031] 5 simulation funnel, 51 sand and gravel funnel, 52 hail funnel, 53 control valve body, 54 warehouse inlet;

[0032] 6. Control panel;

[0033] 7Observation window. DETAILED DESCRIPTION

[0034] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] Embodiment 1:

[0036] like Figure 1 , 2 As shown in Figure 3, a terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine includes a main warehouse body 1, a fixing assembly 2 is arranged in the main warehouse body 1, the fixing assembly 2 includes a bidirectional screw 21, a plurality of movable clamping members 22 are movably connected to the bidirectional screw 21, a photovoltaic module body 3 is clamped between adjacent movable clamping members 22, the movable clamping member 22 includes a movable rod 221 connected to the bidirectional screw 21, the movable rod 221 is connected to a rotating connecting shaft 222 at one end away from the bidirectional screw 21, a fixing clamping plate 223 is connected to the rotating connecting shaft 222, the fixing clamping plate 223 abuts against the photovoltaic module body 3, the fixing assembly 2 includes a protective frame 23, the bidirectional screw 21 is arranged in the protective frame 23, a limiting member 231 is arranged on the protective frame 23, a sliding member 224 is arranged on the movable clamping member 22, the sliding member 224 is slidably connected to the limiting member 231, a rotating drive mechanism 24 is arranged in the protective frame 23, and the rotating drive mechanism 24 is connected to the bidirectional screw 21.

[0037] In the present application, a main warehouse body 1 is provided, and a cavity structure is provided inside the main warehouse body 1, and a simulated space is provided for the photovoltaic module body 3 through the cavity structure, wherein a fixing component 2 is provided on the main warehouse body 1, and the fixing component 2 is used to fix the photovoltaic module body 3, wherein the fixing component 2 realizes free opening and closing by providing a bidirectional screw 21, and a plurality of movable clamping members 22 are connected to the bidirectional screw 21. Due to the characteristics of the bidirectional screw 21, the movable clamping members 22 thereon can be controlled to move toward or away from each other during the rotation of the bidirectional screw 21, thereby controlling the opening and closing size to adapt to photovoltaic module bodies 3 of different sizes, thereby improving the adaptability of the device, and a movable rod 221 is provided on the movable clamping member 22, wherein the movable rod 221 is connected to the bidirectional screw 21, and a rotating connecting shaft 222 is provided on the other end of the movable rod 221 away from the bidirectional screw 21, and a fixed clamping plate 223 is connected to the rotating connecting shaft 222, through The photovoltaic module body 3 is connected through the fixed clamp 223. At the same time, due to the existence of the rotating connecting shaft 222, the fixed clamp 223 can rotate relative to the movable rod 221, thereby changing the inclination angle of the photovoltaic module body 3, and then expanding the simulation range. The bidirectional screw 21 is protected and fixed by the protective frame 23 to ensure the stability during the rotation process, and a limiting member 231 is provided on the protective frame 23, and a sliding member 224 is correspondingly provided on the movable clamp 22, wherein the limiting member 231 and the sliding member 224 are mutually engaged and connected and can slide relative to each other. The matching structure includes but is not limited to a slide groove and a slider structure, thereby realizing a guiding effect during the sliding process and ensuring the stability during the sliding process. A rotating drive mechanism 24 is provided in the protective frame 23, wherein the rotating drive mechanism 24 includes but is not limited to a driving motor, which can drive the bidirectional screw 21 to rotate, thereby converting it into a translational action of the movable clamp 22.

[0038] like Figure 1 As shown, the main chamber body 1 includes a test chamber 11 and an air flow chamber 12, the photovoltaic component body 3 is arranged in the test chamber, and an air network structure 13 is arranged on the test chamber.

[0039] The main warehouse body 1 includes a test warehouse 11 and an air flow warehouse 12. The test warehouse 11 is connected with the air flow warehouse 12 to realize the circulation of air, and can cooperate with the accelerated rotation of the fan blades 43 to make the air flow back and forth in the air flow warehouse 12 and the test warehouse 11. In addition, a control panel 6 and an observation window 7 are also provided on the main warehouse body 1. The observation window 7 is made of transparent material to ensure clear observation, and reinforced materials are used to avoid damage to the observation window 7 caused by the internal simulation experiment environment.

[0040] like Figure 1As shown, the main compartment body 1 is connected to the airflow simulation unit 4, the photovoltaic module body 3 includes a detection surface 31 arranged close to the airflow simulation unit 4, and a heating plate 41 is connected to the side of the airflow simulation unit 4 close to the detection surface 31.

[0041] An airflow simulation unit 4 is connected to the main warehouse body 1, wherein the airflow simulation unit 4 is capable of generating airflow to simulate windy weather in actual application, wherein the airflow simulation unit 4 can generate airflow by driving the fan blades 43 to rotate through a driving motor, or other ways of generating airflow are also possible. The airflow simulation unit 4 is connected to the main warehouse body 1 to convey airflow, and a heating plate 41 is provided between the airflow simulation unit 4 and the detected surface 31. The heating of the heating plate 41 is used to simulate the damage of the hot airflow to the photovoltaic module body 3, thereby improving the richness and variability of the simulated environment.

[0042] like Figure 1 As shown, the main bin body 1 is provided with an opening 14 , and a sealing cover plate 15 is detachably connected to the opening 14 .

[0043] An opening 14 is provided on the main warehouse body 1, and a sealing cover plate 15 is detachably connected to the opening 14, wherein the detachable connection includes but is not limited to a sliding connection, a hinge, a bolt connection, etc., so that the photovoltaic component body 3 in the test warehouse 11 can be quickly taken out to improve efficiency.

[0044] like Figure 1 , 2, 3, and 4, the assembly and working process of the ground crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine in this embodiment is as follows: In this embodiment, it mainly includes a main warehouse body 1, wherein the main warehouse body 1 includes a test warehouse and an air flow warehouse 12, wherein the test warehouse 11 is connected to the air flow warehouse 12, and an air network structure 13 is arranged on the boundary of the test warehouse 11, and the test warehouse 11 and the air flow warehouse 12 are connected through the air network structure 13, wherein the volume of the test warehouse 11 is larger than the volume of the air flow warehouse 12, and the photovoltaic module body 3 is fixed in the test warehouse 11 by a fixing component 2, wherein the fixing component 2 includes a protective frame 23, and a bidirectional screw 21 is arranged in the protective frame 23, and the protective frame 23 and the bidirectional screw 21 are arranged in the air In the air flow warehouse 12, a movable clamping member 22 is arranged on the bidirectional screw 21, and two movable clamping members 22 are arranged. The movable clamping member 22 and the bidirectional screw 21 are connected by bolts. When the bidirectional screw 21 rotates, the movable clamping member 22 can be driven to move. Since the bidirectional screw 21 is adopted, the two movable clamping members 22 move toward each other or move away from each other, so that the opening and closing distance between the two movable clamping members 22 can be controlled, and photovoltaic module bodies 3 of different sizes can be clamped, wherein the movable clamping member 22 includes a movable rod 221 connected to the bidirectional screw 21, wherein the end of the movable rod 221 away from the bidirectional screw 21 is provided with a rotating connecting shaft 222, and the rotating connecting shaft 222 is connected with a fixed clamping plate 223, wherein the two fixed The photovoltaic module body 3 can be clamped between the clamping plates 223, the fixed clamping plates 223 can rotate relative to the movable rod 221, and can be fixed by tightening after rotation, so as to keep the photovoltaic module body 3 at different simulation angles, and a rotating drive mechanism 24 is arranged on the protective frame 23, wherein the rotating drive mechanism 24 is connected to the bidirectional screw 21, and the bidirectional screw 21 rotates under the drive of the rotating drive mechanism 24, thereby driving the movable clamping member 22 on the bidirectional screw 21 to open and close, and an airflow simulation unit 4 is arranged on the side of the test chamber 11 away from the air flow chamber 12, wherein the airflow simulation unit 4 includes a wind control motor 42, wherein the wind control motor 42 is connected to a fan blade 43, and the fan blade 43 faces the side of the test chamber 11, and the wind control motor 42 and fan blades 43 are provided with two groups, and a heating plate 41 is further provided between the fan blades 43 and the test chamber 11. In this embodiment, the heating plate 41 is an electric furnace wire heating plate 41, and an air mesh structure 13 is also provided between the heating plate 41 and the test chamber 11. When the wind control motor 42 starts to rotate, an airflow is generated, wherein the airflow passes through the heating plate 41 for heating, and then passes through the air mesh structure 13 and enters the test chamber 11, and blows the photovoltaic component body 3 in the test chamber 11. Since the airflow passes through the heating plate 41, it can simulate the blowing of hot wind, and the fixed angle of the photovoltaic component body 3 can be adjusted by adjusting the fixing clamp 223, so as to simulate various actual application environments. An opening 14 is provided at the top of the test chamber 11,The opening 14 is movably connected with a sealing cover plate 15, one end of which is hinged above the air flow chamber 12, and the other end is provided with a connecting bolt, and the other end is also provided with a magnetic iron plate 151, and a magnetic stone seat 152 is provided at the corresponding position of the magnetic iron plate 151. The magnetic iron plate 151 and the magnetic stone seat 152 can be magnetically adsorbed and connected and fixed by connecting bolts. The sealing cover plate 15 includes a cover plate body and a sealing gasket sealed with the opening 14. During the working process, the photovoltaic module body 3 in the test chamber 11 can be replaced by opening the sealing cover plate 15, which is convenient for detection experiments.

[0045] Embodiment 2:

[0046] like Figure 5 As shown, in this embodiment, a simulation funnel 5 is arranged above the main warehouse body 1, a control valve body 53 is arranged on the simulation funnel 5, the simulation funnel 5 is connected to the main warehouse body 1, the simulation funnel 5 includes a warehouse entrance 54, and the warehouse entrance 54 is arranged between the airflow simulation unit 4 and the detected surface 31, wherein the simulation funnel 5 is arranged in this embodiment and can be detachably connected to the sealing cover plate 15, and different external environments can be simulated by replacing different simulation funnels 5, wherein the replaceable simulation funnel 5 includes a sand and gravel funnel 51 and a hail funnel 52, and different simulation funnels 5 are installed correspondingly when simulating different environments, so as to avoid the mixing of dumped objects in the same simulation funnel 5 and ensure the accuracy of time.

[0047] A simulation funnel 5 is provided on the main warehouse body 1, and the simulation funnel 5 is provided above the main warehouse body 1. During the experiment, different real environments are simulated by dumping different objects in the simulation funnel 5, such as rain, snow, hail, dust and other weather, and the airflow simulation unit 4 is cooperated to blow the airflow to make the simulation environment more realistic, so that sand, hail, rain and the like are tilted by the wind and impact on the photovoltaic component body 3, thereby improving the accuracy of detection, and a control valve body 53 is provided on the simulation funnel 5, and the on-off in the simulation funnel 5 is controlled by the control valve body 53, so as to ensure the sealing in the test warehouse 11, and the simulation funnel 5 includes a warehouse entrance 54 connected to the main warehouse body 1, wherein the warehouse entrance 54 is provided between the airflow simulation unit 4 and the detected surface 31, and by arranging the warehouse entrance 54 here, it can be ensured that the falling object in the simulation funnel 5 can be blown by the simulated airflow, thereby impacting the detected surface 31 of the photovoltaic component body 3, so that the test environment in the test warehouse 11 is closer to the real environment, thereby improving the accuracy of the test.

[0048] In addition to the above-mentioned distinguishing technical features, the present embodiment also includes the same technical features as those in the embodiment: it includes a main warehouse body 1, a fixing component 2 is arranged in the main warehouse body 1, the fixing component 2 includes a bidirectional screw 21, a plurality of movable clamping members 22 are movably connected to the bidirectional screw 21, a photovoltaic module body 3 is clamped between adjacent movable clamping members 22, the movable clamping member 22 includes a movable rod 221 connected to the bidirectional screw 21, the movable rod 221 is connected to a rotating connecting shaft 222 at one end away from the bidirectional screw 21, a fixing clamping plate 223 is connected to the rotating connecting shaft 222, the fixing clamping plate 223 abuts against the photovoltaic module body 3, the fixing component 2 includes a protective frame 23, the bidirectional screw 21 is arranged in the protective frame 23, a limiting member 231 is arranged on the protective frame 23, a sliding member 224 is arranged on the movable clamping member 22, the sliding member 224 is slidably connected to the limiting member 231, a rotating drive mechanism 24 is arranged in the protective frame 23, and the rotating drive mechanism 24 is connected to the bidirectional screw 21. The main warehouse body 1 includes a test warehouse 11 and an air flow warehouse 12. The photovoltaic module body 3 is arranged in the test warehouse, and the test warehouse is provided with an air network structure 13. The main warehouse body 1 is connected to the airflow simulation unit 4. The photovoltaic module body 3 includes a detection surface 31 arranged near the airflow simulation unit 4. The airflow simulation unit 4 is connected to a heating plate 41 on the side near the detection surface 31. The main warehouse body 1 is provided with an opening 14, and a sealing cover plate 15 is detachably connected to the opening 14.

[0049] Embodiment 3:

[0050] like Figure 6 As shown, different from Example 2, in this embodiment, two simulation funnels 5 are provided, namely, a hail funnel 52 and a sand and gravel funnel 51. The two simulation funnels 5 are arranged at close positions. One of the ways is shown in the figure, that is, two semicircular funnels are combined into a simulation funnel 5, and sand and gravel and hail are dumped separately on the left and right sides, thereby improving the efficiency of the simulation, and ensuring the sealing between the simulation funnel 5 and the sealing cover plate 15, while avoiding the mixing effect between sand and gravel and hail.

Claims

1. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine, characterized in that: The invention comprises a main warehouse body (1), wherein a fixing assembly (2) is arranged inside the main warehouse body (1), wherein the fixing assembly (2) comprises a bidirectional screw rod (21), wherein a plurality of movable clamping members (22) are movably connected to the bidirectional screw rod (21), and a photovoltaic assembly body (3) is clamped between adjacent movable clamping members (22).

2. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to claim 1, characterized in that: The movable clamping member (22) comprises a movable rod (221) connected to the bidirectional screw rod (21); one end of the movable rod (221) away from the bidirectional screw rod (21) is connected to a rotating connecting shaft (222); a fixed clamping plate (223) is connected to the rotating connecting shaft (222); and the fixed clamping plate (223) abuts against the photovoltaic module body (3).

3. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to claim 1, characterized in that: The fixing assembly (2) comprises a protection frame (23), the bidirectional screw (21) is arranged in the protection frame (23), a limiting member (231) is arranged on the protection frame (23), a sliding member (224) is arranged on the movable clamping member (22), and the sliding member (224) is slidably connected to the limiting member (231).

4. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to claim 3, characterized in that: A rotation drive mechanism (24) is arranged in the protection frame (23), and the rotation drive mechanism (24) is connected to the bidirectional screw rod (21).

5. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to claim 1, characterized in that: The main chamber body (1) comprises a test chamber (11) and an air flow chamber (12); the photovoltaic module body (3) is arranged in the test chamber (11); and an air flow network structure (13) is arranged on the test chamber (11).

6. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to any one of claims 1 to 5, characterized in that: The main compartment body (1) is connected to an airflow simulation unit (4), and the photovoltaic assembly body (3) includes a detection surface (31) arranged close to the airflow simulation unit (4).

7. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to claim 6, characterized in that: The airflow simulation unit (4) is connected to a heating plate (41) on a side close to the detected surface (31).

8. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to claim 6, characterized in that: A simulated funnel (5) is arranged above the main warehouse body (1), a control valve body (53) is arranged on the simulated funnel (5), and the simulated funnel (5) is connected to the main warehouse body (1).

9. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to claim 8, characterized in that: The simulation funnel (5) comprises an inlet (54), and the inlet (54) is arranged between the airflow simulation unit (4) and the detected surface (31).

10. A terrestrial crystalline silicon photovoltaic module cyclic dynamic mechanical load testing machine according to any one of claims 1 to 5, characterized in that: The main bin body (1) is provided with an opening (14), and a sealing cover plate (15) is detachably connected to the opening (14).

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