Solar photovoltaic panel performance testing device

Abstract

The utility model discloses a solar photovoltaic panel performance testing device, which relates to the technical field of solar photovoltaic panel testing, and comprises a heat insulation box, a support frame is fixedly connected to the right end of the heat insulation box, a controller is arranged at the right end of the support frame, an electric heater is arranged at the top end in the heat insulation box, and the controller is connected with the electric heater. A refrigerator is arranged at the rear end of the interior of the heat preservation box, a temperature sensor is arranged at the right end of the interior of the heat preservation box, a solar photovoltaic panel is placed at the upper end of a supporting plate and connected with a measuring device, and then a controller controls an electric heater to generate heat in the heat preservation box and controls the refrigerator to cool the interior of the heat preservation box. The temperature range can be controlled in cooperation with the temperature sensor, the solar photovoltaic panel can operate in environments with different temperatures, data are transmitted to the controller through the measuring device, and then the performance and stability of the solar photovoltaic panel at different temperatures can be evaluated.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar photovoltaic panel testing technical field, concretely relates to a solar photovoltaic panel performance testing device. BACKGROUND

[0002] With the global energy structure transformation and the improvement of environmental protection consciousness, solar photovoltaic power generation gradually becomes the important component of clean energy, and the performance of solar photovoltaic panel as the core component in solar power generation system directly influences the efficiency of entire photovoltaic power generation system.

[0003] Most testing devices lack the measurement of external environmental factors, and environmental factors play an important role in the long-term stability of photovoltaic panel, wherein temperature has a significant influence on the electrical performance of photovoltaic panel, especially on its power output and efficiency, therefore, understanding the temperature performance of photovoltaic panel is crucial to ensure its stable operation under different environmental conditions, based on this, the present scheme provides a solar photovoltaic panel performance testing device to solve the above problems. SUMMARY

[0004] To solve the above technical problems, a solar photovoltaic panel performance testing device is provided, which solves the problem that most testing devices lack the measurement of external environmental factors in the above background technology, and environmental factors play an important role in the long-term stability of photovoltaic panel, wherein temperature has a significant influence on the electrical performance of photovoltaic panel, especially on its power output and efficiency, therefore, understanding the temperature performance of photovoltaic panel is crucial to ensure its stable operation under different environmental conditions.

[0005] To achieve the above purposes, the technical scheme adopted by the utility model is as follows: a solar photovoltaic panel performance testing device, comprising an insulation box, the right end of the insulation box is fixedly connected with a support frame, the right end of the support frame is provided with a controller, the inside top end of the insulation box is provided with an electric heater, the inside rear end of the insulation box is provided with a refrigerator, the inside right end of the insulation box is provided with a temperature sensor, the temperature sensor is provided below a measuring device, the right end of the measuring device is fixedly connected with the right side inner wall of the insulation box, the right end of the rear side wall of the insulation box is provided with a solar simulator, the upper end left side of the insulation box is provided with a rectangular opening, the right side of the rectangular opening is provided with a fixed block, the lower end of the fixed block is fixedly connected with the upper end of the insulation box, the left end of the fixed block is provided with a rectangular groove, and a threaded rod is rotatably installed in the rectangular groove.

[0006] Preferably, the outer surface of the threaded rod is threadedly connected with a moving block, the left end of the moving block is fixedly connected with a baffle, and the baffle is slidingly connected in the inside of the rectangular opening.

[0007] Preferably, the upper end of the fixed block is fixedly provided with a servo motor, and an output end of the servo motor extends into the interior of the rectangular opening and is fixedly connected with the upper end of the threaded rod.

[0008] Preferably, the left end of the heat preservation box is provided with a circular hole on the front and back sides, and the interior of the circular hole is provided with a cooling fan.

[0009] Preferably, the interior bottom end of the heat preservation box is fixedly provided with two electric telescopic rods, and the output ends of the two electric telescopic rods are fixedly connected with a support plate.

[0010] Preferably, the front end of the heat preservation box is rotatably provided with a box door through a hinge, and the front end left side of the box door is fixedly provided with a handle.

[0011] Compared with the prior art, the solar photovoltaic panel performance testing device has the following beneficial effects:

[0012] The solar photovoltaic panel is placed on the upper end of the support plate, is connected with the measuring device, then the controller controls the electric heater to generate heat in the interior of the heat preservation box and the refrigerator to reduce the temperature in the interior of the heat preservation box, and then the temperature range can be controlled through cooperation of the temperature sensor, so that the solar photovoltaic panel can operate in different temperature environments, and then the data is transmitted to the controller through the measuring device, and then the performance and stability of the solar photovoltaic panel under different temperatures can be evaluated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a three-dimensional structure schematic view of another view in the utility model;

[0015] Figure 3 It is an interior structure schematic view of the heat preservation box in the utility model;

[0016] Figure 4 It is a structure schematic view of the fixed block in the utility model.

[0017] Reference numerals in the drawing are:

[0018] 1, heat preservation box; 2, box door; 3, handle; 4, support frame; 5, controller; 6, electric heater; 7, temperature sensor; 8, measuring device; 9, circular hole; 10, cooling fan; 11, rectangular opening; 12, baffle; 13, moving block; 14, fixed block; 15, rectangular groove; 16, threaded rod; 17, servo motor; 18, electric telescopic rod; 19, support plate; 20, refrigerator; 21, solar simulator. DETAILED DESCRIPTION

[0019] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be conceived by those skilled in the art.

[0020] With reference to Figures 1-4 As shown in the figure, a solar photovoltaic panel performance testing device, including the heat preservation box 1, the right end of heat preservation box 1 is fixedly connected with support frame 4, the right end of support frame 4 is provided with controller 5, the model that controller 5 can adopt is: S7-1200CPU 1215C, controller 5 adopts the controller 5 that can realize this function in prior art can, not limited, controller 5 and electric heater 6, temperature sensor 7, measuring device 8, cooling fan 10, servo motor 17, electric telescopic rod 18, refrigerator 20 and solar simulator 21 electrically connected, the inside top of heat preservation box 1 is provided with electric heater 6, the inside rear end of heat preservation box 1 is provided with refrigerator 20, the inside right end of heat preservation box 1 is provided with temperature sensor 7, the model that temperature sensor 7 can adopt is: KQXL-125U, temperature sensor 7 adopts the temperature sensor 7 that can realize this function in prior art can, not limited, the lower portion of temperature sensor 7 is equipped with measuring device 8, measuring device 8 can measure the voltage, current and power of solar photovoltaic panel, then its signal is transferred to controller 5, and then the performance of photovoltaic panel is judged, the right end of measuring device 8 is fixedly connected with the right side inner wall of heat preservation box 1, the right end of the inside rear wall of heat preservation box 1 is provided with solar simulator 21, solar simulator 21 can simulate different intensity of sunlight, can adjust the light intensity according to the need, simulate different weather, season or time period of sunlight condition, the upper end left side of heat preservation box 1 is penetrated and is equipped with rectangular opening 11, the right side of rectangular opening 11 is equipped with fixed block 14, the lower end of fixed block 14 is fixedly connected with the upper end of heat preservation box 1, the left end of fixed block 14 is equipped with rectangular groove 15, the inside rotation of rectangular groove 15 is installed with threaded rod 16.

[0021] With reference to Figures 2-4As shown, the outer surface of the threaded rod 16 is threadedly connected with the moving block 13, the left end of the moving block 13 is fixedly connected with the baffle 12, the baffle 12 is slidingly connected in the inside of the rectangular opening 11, when the moving block 13 is at the bottom end of the rectangular groove 15, the baffle 12 blocks the two circular holes 9, preventing the temperature of the heat preservation box 1 from being reduced, when the moving block 13 is driven by the servo motor 17 to move upwards, the baffle 12 can be driven to move upwards, at this time, the baffle 12 is away from the circular hole 9, and then the refrigerating machine 20 and the cooling fan 10 can quickly reduce the temperature in the inside of the heat preservation box 1, the upper end of the fixed block 14 is fixedly installed with the servo motor 17, the output end of the servo motor 17 extends into the inside of the rectangular opening 11 and is fixedly connected with the upper end of the threaded rod 16, the left end of the heat preservation box 1 is provided with the circular hole 9 on the front and back sides, the inside of the circular hole 9 is provided with the cooling fan 10, the cooling fan 10 can quickly transport the heat in the inside of the heat preservation box 1 to the outside, so that the temperature can be quickly reduced, the inside bottom end of the heat preservation box 1 is fixedly installed with two electric telescopic rods 18, the output ends of the two electric telescopic rods 18 are fixedly connected with the supporting plate 19, the front end of the heat preservation box 1 is rotatably installed with the box door 2, the front end left side of the box door 2 is fixedly installed with the handle 3.

[0022] The working principle and use process of the utility model: when using, the box door 2 is opened through the handle 3, the solar photovoltaic panel is placed on the supporting plate 19 and connected with the measuring assembly, then the box door 2 is closed, first, the performance of the solar photovoltaic panel under high temperature is tested, the electric heater 6 generates heat in the inside of the heat preservation box 1 through the controller 5, and the temperature sensor 7 detects the temperature in the inside of the heat preservation box 1 in real time, when the temperature reaches the preset value, the electric heater 6 stops generating heat, so that the solar photovoltaic panel can be in the preset temperature environment, at this time, the measuring device 8 sends data to the controller 5, the voltage, current and power under the temperature can be seen on the display screen of the controller 5, so that the performance of the solar photovoltaic panel under the temperature can be judged, secondly, the performance of the solar photovoltaic panel under low temperature is tested, at this time, the servo motor 17 drives the threaded rod 16 to rotate, the threaded rod 16 drives the moving block 13 to move upwards, so as to drive the baffle 12 to move upwards in the inside of the rectangular opening 11, then the cooling fan 10 transports the heat in the inside of the heat preservation box 1 to the outside from the inside of the heat preservation box 1, when the temperature in the inside of the heat preservation box 1 drops to a certain range, the servo motor 17 drives the baffle 12 to block the circular hole 9, then the refrigerating machine 20 cools the inside of the heat preservation box 1, and then the measuring device 8 sends data to the controller 5, so that the performance of the solar photovoltaic panel under the temperature can be judged, through temperature evaluation, the potential defects of the solar photovoltaic panel can be found, the fault risk is reduced, and the stability and reliability of the system are improved.

[0023] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A solar photovoltaic panel performance testing apparatus, characterized by: The utility model provides a temperature control device, including the incubator (1), the right end fixedly connected with support frame (4) of incubator (1), the right end of support frame (4) is provided with controller (5), the inside top of incubator (1) is provided with electric heater (6), the inside rear end of incubator (1) is provided with refrigerator (20), the inside right end of incubator (1) is provided with temperature sensor (7), the below of temperature sensor (7) is equipped with measuring device (8), the right end of measuring device (8) is fixedly connected with the right side inner wall of incubator (1), the inside rear side wall right end of incubator (1) is provided with solar simulator (21), the upper end left side of incubator (1) is provided with rectangular opening (11) through, the right side of rectangular opening (11) is equipped with fixed block (14), the lower end of fixed block (14) is fixedly connected with the upper end of incubator (1), the left end of fixed block (14) is provided with rectangular groove (15), the inside rotation of rectangular groove (15) is installed with threaded rod (16).

2. The solar photovoltaic panel performance testing device of claim 1, wherein: The outer surface of the threaded rod (16) is threadedly connected with a moving block (13), the left end of the moving block (13) is fixedly connected with a baffle (12), and the baffle (12) is slidingly connected in the interior of the rectangular opening (11).

3. The solar photovoltaic panel performance testing apparatus of claim 1, wherein: The upper end of the fixed block (14) is fixedly installed with a servo motor (17), and the output end of the servo motor (17) extends into the interior of the rectangular opening (11) and is fixedly connected with the upper end of the threaded rod (16).

4. The solar photovoltaic panel performance testing apparatus of claim 1, wherein: The left end of the incubator (1) is provided with a circular hole (9) through the front and back sides, and the interior of the circular hole (9) is provided with a cooling fan (10).

5. The solar photovoltaic panel performance testing apparatus of claim 1, wherein: The interior bottom end of the incubator (1) is fixedly installed with two electric telescopic rods (18), and the output ends of the two electric telescopic rods (18) are fixedly connected with a support plate (19).

6. The solar photovoltaic panel performance testing apparatus of claim 1, wherein: The front end of the incubator (1) is rotatably installed with a box door (2) through a hinge, and the front end left side of the box door (2) is fixedly installed with a handle (3).

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