Photovoltaic module testing device

Abstract

The utility model discloses a photovoltaic module testing device which comprises a rotating structure, a supporting frame, a mounting frame and a testing module. The supporting frame is rotatably arranged on the rotating structure so that the supporting frame can rotate relative to the rotating structure. And the mounting frame is arranged at one end, far away from the rotating structure, of the supporting frame, and the mounting frame is configured to mount a photovoltaic module to be tested. The test module is arranged on the mounting rack and is configured to test performance parameters of the photovoltaic module. According to the photovoltaic assembly testing device disclosed by the utility model, angle adjustment can be realized, so that the front surface of the photovoltaic assembly always faces the sun, the photovoltaic assembly testing device can be suitable for outdoor use, and the use scene of the photovoltaic assembly testing device can be widened.

Description

Technical Field

[0001] This application relates to the field of photovoltaic module testing, and more particularly to a photovoltaic module testing device. Background Technology

[0002] As a core component of solar power generation systems, photovoltaic (PV) modules directly affect the power generation efficiency and operational stability of the entire system through their quality, performance, and reliability. Therefore, PV module testing equipment plays an indispensable role in the performance evaluation of PV modules. The precise data and evaluations provided by these devices help identify abnormal PV modules during operation, enabling timely repair or replacement.

[0003] Most related technologies involve testing the performance parameters of photovoltaic modules in a laboratory using fixed-structure testing equipment. This fixed-structure testing equipment typically consists of a fixed support frame holding the photovoltaic module under test, and a light source for irradiating the module. While the positions of the light source and the photovoltaic module are fixed in this type of testing equipment, since the angle of solar radiation changes in real time outdoors, a fixed testing equipment cannot guarantee that the photovoltaic module always faces the sun directly, making it unsuitable for outdoor use. Utility Model Content

[0004] This utility model discloses a photovoltaic module testing device that ensures that the photovoltaic module always faces the sun, making it suitable for outdoor use.

[0005] To achieve the above objectives, this utility model discloses a photovoltaic module testing device, comprising:

[0006] Rotational structure;

[0007] A support frame, rotatably mounted on the rotating structure, is rotatable relative to the rotating structure; and

[0008] A mounting bracket, disposed at the end of the support frame away from the rotating structure, is configured to mount the photovoltaic module to be tested; and

[0009] A test module is mounted on a mounting bracket and is configured to test the performance parameters of the photovoltaic module.

[0010] As an optional implementation, the photovoltaic module testing device further includes a drive mechanism configured to drive the support frame to rotate relative to the rotating structure, thereby causing the mounting frame to rotate.

[0011] As an optional implementation, the mounting frame includes diagonal braces, a first mounting rod, and a second mounting rod connected end to end in sequence. The diagonal braces are configured to mount the photovoltaic module to be tested, and at least one of the first mounting rod and the second mounting rod is connected to the support frame.

[0012] As an optional implementation, the diagonal brace is provided with a plurality of connectors, which are respectively located at different positions on the diagonal brace and are used to connect the photovoltaic module to be tested.

[0013] As an optional implementation, the mounting bracket further includes a support plate disposed on one of the first mounting rod and the second mounting rod, and the support plate is connected to the support frame.

[0014] As an optional implementation, the rotating assembly includes an annular slide rail and a slider, the slider being connected to the bottom of the support frame and slidably connected to the annular slide rail.

[0015] As an optional implementation, the sliding member is arranged in a ring shape, and the support frame includes multiple support rods connected at an angle. One end of each support rod is connected to the mounting frame, and the other end of each support rod is connected to the sliding member.

[0016] As an optional implementation, the test module includes at least one of a current-voltage characteristic curve tester, a radiometer, and a thermocouple.

[0017] As an optional implementation, the current-voltage characteristic curve tester is mounted on the mounting frame and is used to be electrically connected to the photovoltaic module to test the current and voltage of the photovoltaic module. The current-voltage characteristic curve tester is equipped with a display screen for displaying the current-voltage curve of the photovoltaic module.

[0018] As an optional implementation, the irradiance meter is disposed at one end of the mounting frame away from the support frame. The irradiance meter is electrically connected to the current-voltage characteristic curve tester and the display screen. The irradiance meter is used to test the irradiance intensity received by the photovoltaic module, and the display screen is also used to display the test data of the irradiance meter.

[0019] And / or,

[0020] The thermocouple is electrically connected to the current-voltage characteristic curve tester and the display screen. The thermocouple is used to electrically connect to the photovoltaic module to test the temperature of the photovoltaic module. The display screen is also used to display the test data of the thermocouple.

[0021] Compared with the prior art, the beneficial effects of this application are:

[0022] This utility model provides a photovoltaic module testing device, including a rotating structure, a support frame, a mounting frame, and a testing module. The support frame is rotatably mounted on the rotating structure, allowing it to rotate relative to the rotating structure. The mounting frame is located at the end of the support frame away from the rotating structure and is configured to mount the photovoltaic module to be tested. The testing module is located on the mounting frame and is configured to test the performance parameters of the photovoltaic module. This design ensures that the photovoltaic module always faces the sun, making the photovoltaic module testing device more suitable for outdoor use. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a first-view structural schematic diagram of the photovoltaic module testing device disclosed in the embodiments of this application;

[0025] Figure 2 This is a second-view structural schematic diagram of the photovoltaic module testing device disclosed in the embodiments of this application;

[0026] Figure 3 This is a schematic diagram of the current-voltage characteristic curve tester disclosed in the embodiments of this application.

[0027] Explanation of reference numerals in the attached figures:

[0028] 100-Photovoltaic module testing device; 200-Photovoltaic module; 1-Rotating structure; 11-Annular slide rail; 12-Sliding component; 2-Support frame; 21-Support rod; 3-Mounting frame; 31-Diagonal brace; 311-Connector; 32-First mounting rod; 33-Second mounting rod; 34-Support plate; 4-Test module; 41-Current-voltage characteristic curve tester; 411-Display screen; 42-Radiometer; 43-Thermocouple. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] In this application, the terms "upper," "lower," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0031] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0032] Furthermore, the terms "installation," "setting," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0033] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0034] A photovoltaic (PV) module is a small, indivisible assembly of solar cells that is encapsulated and internally connected, capable of providing direct current (DC) power independently. It is also known as a solar cell module. PV modules are the core component of a solar power generation system, primarily converting solar energy into electrical energy, which can be stored in batteries or used to directly power loads.

[0035] The performance of photovoltaic (PV) modules directly affects the power generation efficiency of the entire solar power system. Therefore, performance testing of PV modules is a crucial part of PV testing projects. PV module performance testing includes visual inspection, electrical performance parameter testing (including voltage and current parameters), and temperature characteristic testing. This allows for the assessment of various performance changes of the PV modules during operation, thereby determining the quality of the PV modules.

[0036] In related technologies, the method for testing the performance parameters of photovoltaic modules involves sending the modules to a professional testing laboratory and testing them using a fixed light source and a fixed support structure. However, this testing method is only suitable for indoor testing with a fixed light source. When applied to outdoor testing, the angle of sunlight changes in real time, and the fixed support structure has low flexibility, making it difficult to ensure that the photovoltaic modules always face the sun.

[0037] In view of this, this application discloses a photovoltaic module testing device, including a rotating structure, a support frame, a mounting frame, and a testing module. The support frame is rotatably mounted on the rotating structure, allowing it to rotate relative to the rotating structure. The mounting frame is located at the end of the support frame away from the rotating structure and is used to mount the photovoltaic module to be tested, enabling the module to rotate relative to the rotating structure. The mounting frame also houses the testing module for testing the performance parameters of the photovoltaic module. This arrangement helps ensure that the photovoltaic module under test always faces the sun. Furthermore, the mounting frame includes diagonal braces, a first mounting rod, and a second mounting rod, while the support frame includes multiple angled support rods. Using multiple rods as support and mounting components for the photovoltaic module testing device improves the overall portability of the device, making it more suitable for outdoor use.

[0038] The technical solution of this application will be further described below with reference to the embodiments and accompanying drawings.

[0039] Please see Figure 1 and Figure 2 , Figure 1 This is a first-view structural schematic diagram of the photovoltaic module testing device disclosed in the embodiments of this application. Figure 2 This is a second-view structural schematic diagram of the photovoltaic module testing apparatus disclosed in this application. The photovoltaic module testing apparatus 100 includes a rotating structure 1, a support frame 2, a mounting frame 3, and a testing module 4. The support frame 2 is rotatably mounted on the rotating structure 1 and can rotate relative to the rotating structure 1. The mounting frame 3 is located at the end of the support frame 2 away from the rotating structure 1, and is configured to mount the photovoltaic module 200 to be tested. The testing module 4 is located on the mounting frame 3 and is configured to test the performance parameters of the photovoltaic module 200.

[0040] The mounting bracket 3 is used to install the photovoltaic module 200 and the test module 4. The mounting bracket 3 is set on the support bracket 2, and the support bracket 2 is rotatably set on the rotating structure 1. When the support bracket 2 rotates relative to the rotating structure 1, it can drive the photovoltaic module 200 to rotate. This helps to keep the photovoltaic module 200 facing the sun at all times or as much as possible, thereby improving the flexibility of the photovoltaic module test device 100 and making it more suitable for outdoor use.

[0041] It is understood that the above performance parameters include, but are not limited to, the irradiance, operating temperature, real-time current and voltage of the photovoltaic module 200.

[0042] In some embodiments, please refer to Figure 2 The photovoltaic module testing device 100 also includes a drive mechanism (not shown in the figure). This drive mechanism is connected to the support frame 2 to drive the support frame 2 to rotate relative to the rotating structure 1. Using a drive mechanism to drive the support frame 2 to rotate, compared to manually controlling the rotation of the support frame 2, helps improve the accuracy of the rotation and also improves the convenience of controlling the rotation speed and angle of the support frame 2.

[0043] Understandably, since the intensity of sunlight changes constantly with the Earth's rotation, in order to ensure the efficiency of the photovoltaic module 200 in receiving solar radiation, it is necessary to control the photovoltaic module 200 to always face the sun. The specific method by which the aforementioned drive mechanism drives the support frame 2 to rotate can be achieved in various ways. For example, it can be achieved by time control to track the sun's position, or by light-sensing control.

[0044] In one example, tracking the sun's position is achieved through time control. The angle of the sun's rotation over a fixed period is calculated based on local latitude and longitude coordinates. For example, if the local sun rotates 0.25 degrees per minute, a drive mechanism can be set to drive the support frame 2 to rotate relative to the rotating structure 1 by 0.25 degrees per minute, ensuring that the photovoltaic module 200 always faces the sun.

[0045] In another example, tracking the sun's position is achieved through light-sensing control. A light sensor can be installed on the photovoltaic module 200 to determine the sun's position. Then, a signal is sent to the drive mechanism to cause the drive mechanism to rotate the support frame 2 by a certain angle, so that the photovoltaic module 200 always faces the sun.

[0046] It is understood that the aforementioned drive mechanism can be a hydraulic drive mechanism, a pneumatic drive mechanism, a motor drive mechanism, or a mechanical drive mechanism. Hydraulic drive mechanisms are compact, operate smoothly, and are resistant to impact and vibration. Using a hydraulic drive mechanism helps improve the stability of the drive mechanism, thereby contributing to the overall stability of the photovoltaic module testing device 100. Pneumatic drive mechanisms are simple in structure, easy to control and adjust, have lower costs, and are convenient to maintain. Using a pneumatic drive mechanism helps improve the ease of control and economy of the drive mechanism. Motor drive mechanisms have high precision and control performance, and high flexibility. Using a motor drive mechanism helps improve the control precision and flexibility of the drive mechanism. Mechanical drive mechanisms are low in cost, reliable in structure, and highly stable. Using a mechanical drive mechanism helps improve the economy and stability of the drive mechanism. This embodiment does not specifically limit the type of drive structure.

[0047] Optionally, please refer to Figure 2 The mounting frame 3 includes a diagonal brace 31, a first mounting rod 32, and a second mounting rod 33 connected end to end. The diagonal brace 31 is used to mount the photovoltaic module 200 to be tested, providing a certain degree of support for the photovoltaic module 200. At least one of the first mounting rod 32 and the second mounting rod 33 is connected to the support frame 2, so that the mounting frame 3 can be fixed on the support frame 2, which helps to improve the stability of the photovoltaic module testing device 100.

[0048] It is understandable that the mounting bracket 3 adopts the above-described structure, that is, the mounting bracket 3 is roughly a tripod, thus providing greater stability for supporting the photovoltaic module 200. For example, the angle formed between the first mounting rod 32 and the second mounting rod 33 can be a right angle, an acute angle, or an obtuse angle. Taking a right angle as an example, the first mounting rod 32 is connected to the support frame 2, and the second mounting rod 33 is vertically positioned at one end of the first mounting rod 32. Compared to an acute or obtuse angle between the first mounting rod 32 and the second mounting rod 33, this arrangement provides greater stability for the mounting bracket 3, contributing to improved overall stability of the photovoltaic module testing device 100, and consequently increasing the service life of the photovoltaic module testing device 100.

[0049] Optionally, the materials of the aforementioned diagonal brace 31, first mounting rod 32, and second mounting rod 33 can be steel, aluminum alloy, or fiberglass. Steel has high strength and durability, and is relatively inexpensive. Using steel for the diagonal brace 31, first mounting rod 32, and second mounting rod 33 helps improve the strength, service life, and economy of the mounting frame 3. Aluminum alloy is lightweight, easy to process, and corrosion-resistant. Using aluminum alloy for the diagonal brace 31, first mounting rod 32, and second mounting rod 33 helps improve the lightweight and corrosion resistance of the mounting frame 3. Fiberglass has high strength and is lightweight. Using fiberglass for the diagonal brace 31, first mounting rod 32, and second mounting rod 33 helps to maintain the high strength of the mounting frame 3 while reducing its weight. This embodiment does not specifically limit the materials of the diagonal brace 31, first mounting rod 32, and second mounting rod 33.

[0050] In some embodiments, one or more connectors 311 are provided on the diagonal brace 31. The connectors 311 are respectively located at different positions on the diagonal brace 31 and are used to connect the photovoltaic module 200 to be tested. By providing multiple connectors 311 to connect the photovoltaic module 200 to the diagonal brace 31, the connection stability between the photovoltaic module 200 and the diagonal brace 31 is improved, thereby helping to ensure that the photovoltaic module testing device 100 can work stably and continuously.

[0051] Optionally, the aforementioned connector 311 can be a clamp (such as a clip) or a threaded connector (such as a screw, bolt, etc.). Clamps offer advantages such as high strength, light weight, and ease of installation and adjustment. Using clamps as connectors 311 helps improve the ease of installation and connection stability between the photovoltaic module 200 and the diagonal brace 31, and also helps reduce the weight of the photovoltaic module testing device 100. Threaded connectors offer advantages such as high stability, easy assembly and disassembly, and lower cost. Using threaded connectors helps improve the connection stability between the photovoltaic module 200 and the diagonal brace 31, and also helps improve the economic efficiency of connector 311.

[0052] In some embodiments, please refer to Figure 2 The mounting frame 3 also includes a support plate 34, which is disposed on the first mounting rod 32 and connected to the support frame 2. By setting the support plate 34 on the first mounting rod 32, the support frame 2 is connected to the first mounting rod 32 through the support plate 34, which helps to improve the connection stability between the support frame 2 and the mounting frame 3, thereby helping to improve the overall stability of the photovoltaic module testing device 100 and keeping it stable during rotation.

[0053] It is understood that the material of the aforementioned support plate 34 can be aluminum alloy, stainless steel, galvanized steel, or carbon fiber. Aluminum alloy has good corrosion resistance and lightweight properties; using aluminum alloy for the support plate 34 helps improve its corrosion resistance and lightness. Stainless steel has excellent corrosion resistance and stability; using stainless steel for the support plate 34 helps improve its corrosion resistance, thereby improving its stability in use. Galvanized steel has excellent mechanical properties and corrosion resistance; using galvanized steel for the support plate 34 helps maintain its good mechanical properties while also providing good corrosion resistance. Carbon fiber has good rigidity, is lighter, and has a high temperature resistance of 0. Using carbon fiber for the support plate 34 helps maintain its good rigidity while also being lighter, and also helps improve its high temperature resistance, thus making it more suitable for outdoor use. This embodiment does not specifically limit the material of the support plate 34.

[0054] Optionally, please refer to Figure 2 The support frame 2 includes multiple support rods 21 connected at angles. One end of each support rod 21 is connected to the mounting frame 3, and the other end is connected to the aforementioned sliding member 12. The configuration of the support frame 2 with multiple angled support rods 21, compared to a frustum shape, helps improve the portability of the support frame 2, thereby improving the overall portability of the photovoltaic module testing device 100 and making it more suitable for outdoor use.

[0055] Since the support frame 2 consists of multiple support rods 21 connected at an angle, and these multiple support rods 21 are connected to the first mounting rod 32, by setting a support plate 34 on the first mounting rod 32, the multiple support rods 21 are connected to the first mounting rod 32 through the support plate 34. This helps to improve the connection stability between the multiple support rods 21 and the first mounting rod 32, thereby helping to improve the overall stability of the photovoltaic module testing device 100 and keeping it stable during rotation.

[0056] For example, the support frame 2 consists of three support rods 21 connected at an angle. One end of each support rod 21 is connected to the first mounting rod 32 via a support plate 34, and the other ends of each support rod 21 are connected to the sliding member 12 at intervals. By connecting the three support rods 21 at an angle to form the support frame 2, the number of support rods 21 is reduced while still providing support for the mounting frame 3. This helps to improve the portability and ease of assembly of the support frame 2, making it more suitable for outdoor use.

[0057] In some embodiments, the rotating structure 1 includes an annular slide rail 11 and a slider 12. The slider 12 is connected to the bottom of the support frame 2, and the slider 12 and the annular slide rail 11 are slidably connected. This arrangement allows the slider 12 to slide within the annular slide rail 11, causing the support frame 2 to rotate relative to the annular slide rail 11. This, in turn, causes the mounting frame 3 and the photovoltaic module 200 on the mounting frame 3 to move relative to the annular slide rail 11. This helps to flexibly adjust the angle of the photovoltaic module 200, ensuring it always faces the sun, thus making the photovoltaic module testing device 100 more suitable for outdoor use.

[0058] It is understood that the aforementioned slider 12 can have multiple embodiments. In one example, the slider 12 is annular, that is, the slider 12 is an annular slider, and the slider 12 as a whole can rotate in the annular slide rail 11 to drive the support frame 2 connected to the slider 12 to rotate, thereby driving the mounting frame 3 to move relative to the annular slide rail 11. The annular arrangement of the slider 12 helps to improve the stability of the slider 12 sliding in the annular slide rail 11, thereby helping to improve the rotational stability of the photovoltaic module testing device 100.

[0059] In another example, the aforementioned slider 12 consists of multiple sliders, each connected to the bottom end of a plurality of support rods 21. When the sliders slide within the annular slide rail 11, they rotate the support frame 2 connected to the slider 12, thereby causing the mounting frame 3 to move relative to the annular slide rail 11. The use of multiple sliders in the slider 12 helps improve the movement accuracy of the slider 12, which in turn helps improve the rotational accuracy of the photovoltaic module testing device 100.

[0060] In another example, the aforementioned sliding member 12 can also be multiple pulleys, which are connected to the bottom ends of multiple support rods 21. When the multiple pulleys slide in the annular slide rail 11, they can drive the support frame 2 connected to the sliding member 12 to rotate, thereby causing the mounting frame 3 to move relative to the annular slide rail 11. Having multiple pulleys for the sliding member 12 helps reduce friction and collisions between the sliding member 12 and the annular track, thus improving the stability of the photovoltaic module testing device 100 and extending its service life.

[0061] It is understood that the materials of the aforementioned annular slide rail 11 and sliding member 12 can be stainless steel, aluminum alloy, steel, plastic or cast iron, and can be set according to actual needs. This embodiment does not make specific limitations on this.

[0062] Optionally, the test module 4 includes at least one of a current-voltage characteristic curve tester 41, an irradiometer 42, and a thermocouple 43, so that the test module 4 can test the performance parameters of the photovoltaic module 200.

[0063] Please see Figure 2 and Figure 3 , Figure 3 This is a schematic diagram of the current-voltage characteristic curve tester disclosed in this application. The current-voltage characteristic curve tester 41 is mounted on a support plate 34 and is electrically connected to the photovoltaic module 200 under test, used to test the current and voltage of the photovoltaic module 200. The current-voltage characteristic curve tester 41 includes a display screen 411 for displaying the current-voltage curve of the photovoltaic module 200 tested by the current-voltage characteristic curve tester 41. The current-voltage characteristic curve tester 41 is mounted on the support plate 34, and the support plate 34 is located on the back of the photovoltaic module 200 under test. Compared to mounting the current-voltage characteristic curve tester 41 on the ground or on either side of the photovoltaic module 200 under test, this mounting method helps avoid damage caused by direct sunlight, foot traffic, or friction with the ground, thereby improving the service life of the current-voltage characteristic curve tester 41 and maintaining the stability of the test results.

[0064] In some embodiments, please refer to Figure 2 and Figure 3 The aforementioned radiometer 42 is mounted at the top of the diagonal support rod 31. The radiometer 42 is electrically connected to the current-voltage characteristic curve tester 41 and is used to test the irradiance received by the photovoltaic module 200. The aforementioned display screen 411 is also used to display the test data of the radiometer 42. Since the diagonal support rod 31 is connected to the back of the photovoltaic module 200, placing the radiometer 42 at the top of the diagonal support rod 31 allows the radiometer 42 to be located at the upper part of the photovoltaic module 200 rather than on the back, thereby detecting the solar irradiance intensity that can be received on the surface of the photovoltaic module 200. This arrangement helps to improve the rationality of the radiometer 42's placement, thus helping to ensure that the radiometer 42 can function normally.

[0065] Optionally, the test head of the thermocouple 43 is attached to the back of the photovoltaic module 200 with high-temperature adhesive tape, and the other end of the thermocouple 43 is electrically connected to the current-voltage characteristic curve tester 41 for testing the temperature of the photovoltaic module 200. The display screen 411 is also used to display the test data of the thermocouple 43.

[0066] Understandably, in one example, when the aforementioned test module 4 includes at least one of a radiometer 42 or a thermocouple 43 and a current-voltage characteristic curve tester 41, the display screen 411 of the current-voltage characteristic curve tester 41 serves as the overall data display device for the test module 4, displaying all test data. This configuration helps improve the integration of the test module 4, allowing multiple test data to be displayed through a single display screen 411, reducing the number of display devices required, and thus improving the portability of the test module 4, making it more suitable for outdoor use.

[0067] In another example, when the aforementioned test module 4 includes only one of the radiometer 42 or the thermocouple 43, the radiometer 42 or the thermocouple 43 may include a display screen and a test head. The test head is used to test the irradiance or temperature received by the photovoltaic module 200, and the display screen is used to display the test data.

[0068] In another example, when the test module 4 includes a radiometer 42 and a thermocouple 43, the radiometer 42 and the thermocouple 43 may each include a display screen and a test head. The test head is used to test the irradiance or temperature received by the photovoltaic module 200, and the display screen is used to display the test data. Alternatively, the radiometer 42 and the thermocouple 43 may each include a test head, and the radiometer 42 and the thermocouple 43 may be electrically connected to the same display screen, which can simultaneously display the test data of the radiometer 42 and the thermocouple 43. This configuration, compared to having the radiometer 42 and the thermocouple 43 each include a display screen, helps improve the integration of the test module 4. Multiple test data can be displayed through a single display screen, which helps reduce the number of display devices required, thereby improving the portability of the test module 4 and making it more suitable for outdoor use.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A photovoltaic module testing device, characterized in that, The photovoltaic module testing device includes: Rotational structure; A support frame is rotatably mounted on the rotating structure and is rotatable relative to the rotating structure. A mounting bracket is disposed at the end of the support frame away from the rotating structure. The mounting bracket is configured to mount a photovoltaic module to be tested, and when the photovoltaic module is mounted on the mounting bracket, the mounting bracket is located on the back of the photovoltaic module. The mounting bracket includes a diagonal brace, a first mounting rod, and a second mounting rod connected end-to-end in sequence. The diagonal brace is configured to be mounted on the back of the photovoltaic module to be tested. At least one of the first mounting rod and the second mounting rod is connected to the support frame, and the first mounting rod, the second mounting rod, and the diagonal brace are connected at angles to each other in pairs. A test module, which is mounted on a mounting frame, is configured to test the performance parameters of the photovoltaic module. The rotating structure includes an annular slide rail and a sliding member. The sliding member is connected to the bottom of the support frame and is slidably connected to the annular slide rail. The sliding member is annularly arranged. The support frame includes multiple support rods connected at an angle. One end of each support rod is connected to the mounting frame, and the other end of each support rod is connected to the sliding member.

2. The photovoltaic module testing device according to claim 1, characterized in that, The photovoltaic module testing device also includes: A drive mechanism configured to drive the support frame to rotate relative to the rotating structure, thereby causing the mounting frame to rotate.

3. The photovoltaic module testing device according to claim 1, characterized in that, The diagonal brace is provided with multiple connectors, which are respectively located at different positions on the diagonal brace and are used to connect the photovoltaic module to be tested.

4. The photovoltaic module testing device according to claim 1, characterized in that, The mounting frame further includes a support plate, which is disposed on one of the first mounting rod and the second mounting rod, and the support plate is connected to the support frame.

5. The photovoltaic module testing apparatus according to any one of claims 1-4, characterized in that, The test module includes at least one of a current-voltage characteristic curve tester, a radiometer, and a thermocouple.

6. The photovoltaic module testing apparatus according to claim 5, characterized in that, The current-voltage characteristic curve tester is mounted on the mounting frame and is used to be electrically connected to the photovoltaic module to test the current and voltage of the photovoltaic module. The current-voltage characteristic curve tester is equipped with a display screen for displaying the current-voltage curve of the photovoltaic module.

7. The photovoltaic module testing apparatus according to claim 6, characterized in that, The irradiance meter is disposed at one end of the mounting frame away from the support frame. The irradiance meter is electrically connected to the current-voltage characteristic curve tester and the display screen. The irradiance meter is used to test the irradiance intensity received by the photovoltaic module. The display screen is also used to display the test data of the irradiance meter. And / or, The thermocouple is electrically connected to the current-voltage characteristic curve tester and the display screen. The thermocouple is used to electrically connect to the photovoltaic module to test the temperature of the photovoltaic module. The display screen is also used to display the test data of the thermocouple.

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