Photovoltaic pavement photovoltaic module service life test system

Abstract

The invention discloses a photovoltaic pavement photovoltaic module service life test system, which comprises a test room and a test background, and is characterized in that the test room is a glass wall surface; a photovoltaic pavement to be tested is placed in the test room, and a solar cell panel is laid in the photovoltaic pavement to be tested; the field console is used for controlling the environment adjusting equipment to adjust the test environment in the test room according to an adjusting instruction sent by the test background, and detecting the performance parameters of the solar cell panel through the solar cell panel performance detection equipment; and sending the detected performance parameters of the solar cell panel to a test background, and predicting the service life of the solar cell panel under different environmental conditions by the test background according to the performance parameters of the solar cell panel. The system is simple in structure and small in occupied area, the testing environment in the testing room can be flexibly adjusted, and testing is convenient.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic pavement testing, and in particular to a photovoltaic pavement photovoltaic component life testing system. Background Art

[0002] Photovoltaic pavement refers to a load-bearing high-speed photovoltaic pavement, where solar panels are laid on the pavement and the top layer is covered with a new type of translucent material similar to frosted glass. This not only meets the needs of vehicle driving, but also utilizes road resources to achieve photovoltaic power generation, making full use of various resources. Solar panels are laid on the pavement and have a special working environment. The external temperature and humidity will affect their service life. There is no simple and convenient test equipment for estimating the life of photovoltaic modules on photovoltaic pavements, especially solar panels. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a photovoltaic pavement photovoltaic component life test system, which can conveniently and efficiently test the life of solar panels.

[0004] The technical solution of the present invention is: a photovoltaic pavement photovoltaic module life test system, including a test room and a test background, the test room is a glass wall; The photovoltaic pavement to be tested is placed in the test room, and solar panels are laid in the photovoltaic pavement to be tested; The test room is also equipped with environmental adjustment equipment, solar panel performance testing equipment and a field control console: the environmental adjustment equipment and the solar panel performance testing equipment are electrically connected to the field control console respectively, and the field control console communicates wirelessly with the test background; the field control console controls the environmental adjustment equipment to adjust the test environment in the test room according to the adjustment instructions sent from the test background, and detects the performance parameters of the solar panel through the solar panel performance testing equipment, and sends the detected solar panel performance parameters to the test background, which predicts the life of the solar panel under different environmental conditions according to the solar panel performance parameters.

[0005] Furthermore, the environmental conditioning device includes: Heating and cooling device: used for heating and cooling the test room environment and the surface of the photovoltaic pavement to be tested; Humidifier: used to humidify the environment in the test room; Fan: used to exhaust air in the test room.

[0006] Furthermore, the environmental conditioning device also includes: Ambient temperature sensor: used to detect the ambient temperature in the test room; Pavement temperature sensor: used to detect the surface temperature of the photovoltaic pavement to be tested; Ambient humidity sensor: used to detect the ambient humidity in the test room.

[0007] Further, the heating and cooling device includes an air conditioner, a photovoltaic pavement heating element, and a photovoltaic pavement cooling element; The photovoltaic pavement heating element is used to heat the surface of the photovoltaic pavement to be tested, and the photovoltaic pavement cooling element is used to cool the surface of the photovoltaic pavement to be tested.

[0008] Further, the photovoltaic pavement heating element comprises a first mesh support plate and a heating resistance wire, and the heating resistance wire is arranged on the first mesh support plate; The photovoltaic pavement refrigeration component includes a second mesh support plate, a water-cooling pipe, a water-cooling box and a circulation pump; the water-cooling pipe is arranged on the second mesh support plate, the circulation pump is arranged on the water-cooling pipe, and the water-cooling pipe is connected to the water-cooling box.

[0009] Furthermore, the solar panel performance testing equipment includes: Light intensity sensor: used to detect the light intensity in the test room; Current sensor: used to detect the conversion current of the solar panel.

[0010] Furthermore, the system also includes a display screen, which is arranged on the wall of the test room and is electrically connected to the on-site control console.

[0011] Furthermore, the test background is configured with a test program, and the test program includes: Test environment setting module: used to set the test environment of the test room; Test parameter receiving module: used to receive test parameters sent by the on-site console; Lifetime estimation module: used to process the received test parameters and estimate the life of the solar panel.

[0012] The photovoltaic road photovoltaic assembly life test system provided by the present invention is to lay a section of photovoltaic road to be tested in a test room, the wall of the test room is a transparent glass wall, which can ensure light transmission for the photovoltaic road to receive light energy, and the environment adjustment equipment is set in the test room to flexibly adjust the environment in the test room, so that the photovoltaic road is in different temperature and humidity environments, and then the performance of the solar panel is tested by the solar panel performance detection equipment, and the test parameters are processed and analyzed by the test background to estimate the life of the solar panel. The system has a simple structure, a small footprint, and can flexibly adjust the test environment in the test room, which is convenient for testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of a specific embodiment of the present invention; Figure 2 It is a schematic block diagram of the circuit principle structure of a specific embodiment of the present invention. DETAILED DESCRIPTION

[0014] The present invention will be described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following implementation modes. like Figure 1-2 As shown, this embodiment provides a photovoltaic pavement photovoltaic module life test system, including a test room 1 and a test background 8. The wall of the test room 1 is a glass wall, which can ensure the entry of light and is conducive to maintaining the test environment in the test room 1.

[0015] The photovoltaic pavement 2 to be tested is placed in the test room 1, and the photovoltaic pavement 2 to be tested is provided with solar panels 3. It should be noted that the distance of the photovoltaic pavement 2 laid in the test room 1 is suitable for the size of the test room 1, which can meet the test requirements and reduce the test cost. In addition, the structure of the photovoltaic pavement 2 to be tested is the same as that of the photovoltaic pavement 2 actually used on the highway, so as to estimate a more accurate service life.

[0016] To implement the test, an environment adjustment device 4, a solar panel performance detection device 6 and a field control console 5 are provided in the test room 1. The environment adjustment device 4 is used to adjust the test environment in the test room 1, and the solar panel performance detection device 6 is used to detect the performance parameters of the solar panel 3.

[0017] The environment adjustment device 4 and the solar panel performance detection device 6 are electrically connected to the field control console 5 respectively, and the field control console 5 communicates wirelessly with the test background 8. When in use, the test background 8 sends an adjustment instruction to the field control console 5, and the field control console 5 controls the environment adjustment device 4 to adjust the test environment in the test room 1 according to the adjustment instruction sent by the test background 8, and then detects the performance parameters of the solar panel 3 through the solar panel performance detection device 6, and sends the detected performance parameters of the solar panel 3 to the test background 8, and the test background 8 predicts the life of the solar panel 3 under different environmental conditions according to the performance parameters of the solar panel 3.

[0018] In this embodiment, the environment adjustment device 4 can adjust the test environment in the test room 1, including temperature and humidity. Specifically, the environment adjustment device 4 includes: Heating and cooling device 41: used for heating and cooling the environment in the test room 1 and the photovoltaic pavement 2 to be tested; Humidifier 42: used to humidify the environment in the test room 1; Fan 43: used to exhaust air for the test room 1.

[0019] The heating and cooling device 41 adjusts the temperature of the environment in the test room 1 and the surface of the photovoltaic pavement 2 to be tested, the humidifier 42 adjusts the humidity of the environment in the test room 1, and the fan 43 cooperates to adjust the temperature and humidity in the test room 1.

[0020] The heating and cooling device 41 of this embodiment includes an air conditioner 411, a photovoltaic pavement 2 heating element, and a photovoltaic pavement 2 cooling element. The air conditioner 411 can adjust the temperature of the test room 1 environment, the photovoltaic pavement 2 heating element can heat the surface of the photovoltaic pavement 2 to be tested, and the photovoltaic pavement 2 cooling element can cool the surface of the photovoltaic pavement 2 to be tested, so as to adjust the temperature of the photovoltaic pavement 2 surface.

[0021] Specifically, the photovoltaic pavement 2 heating element includes a first mesh support plate and a heating resistor wire, and the heating resistor wire is arranged on the first mesh support plate. When in use, the first mesh support plate is placed on the photovoltaic pavement 2 to be tested, and the heating resistor wire is energized, and the heating resistor wire dissipates heat to heat the photovoltaic pavement 2 to be tested.

[0022] The photovoltaic pavement 2 cooling element includes a second mesh support plate, a water cooling pipe, a water cooling box and a circulation pump; the water cooling pipe is arranged on the second mesh support plate, the circulation pump is arranged on the water cooling pipe, and the water cooling pipe is connected to the water cooling box. When in use, the second mesh support plate is placed on the photovoltaic pavement 2 to be tested, and the circulation pump is turned on to circulate water to cool down the photovoltaic pavement 2 to be tested.

[0023] The first mesh support plate and the second mesh support plate can be made of wire mesh. The mesh structure does not block the photovoltaic pavement 2 from receiving light, and the wire mesh has a good thermal conductivity, which is conducive to adjusting the surface temperature of the photovoltaic pavement 2 to be tested.

[0024] In order to achieve accurate adjustment of temperature and humidity and real-time monitoring of actual temperature, the environmental condition device of this embodiment also includes: Ambient temperature sensor 44: used to detect the ambient temperature in the test room 1; Pavement temperature sensor 45: used to detect the surface temperature of the photovoltaic pavement 2 to be tested; Environmental humidity sensor 46: used to detect the environmental humidity in the test room 1.

[0025] The test backend 8 sends the adjustment instruction to the field control console 5, and the field control console 5 detects various environmental parameters according to various temperature and humidity sensors, and controls the operating status of the air conditioner 411, the heating resistor, the circulation pump, the humidifier 42, and the fan 43 according to the various environmental parameters and the adjustment instruction, so that the test environment in the test room 1 reaches the target test environment, and then starts the test. It should be noted that only one of the heating resistor and the circulation pump is operated in one test, and the tester sets the photovoltaic pavement 2 heating element and the photovoltaic pavement 2 cooling element as needed.

[0026] After reaching the test environment, the test begins. The field control console 5 controls the solar panel performance testing device 6 to perform performance testing on the solar panel 3, including: Light intensity sensor 61: used to detect the light intensity in the test room 1; Current sensor 62 : used to detect the conversion current of the solar cell panel 3 .

[0027] The on-site test console sends the detected light intensity and conversion current to the test background 8, and the test background 8 calculates the photoelectric conversion efficiency of the solar cell panel 3 based on the light intensity and the conversion current. A high photoelectric conversion efficiency indicates that the solar cell panel 3 is operating normally, and a low photoelectric conversion efficiency indicates that the life of the solar cell panel 3 is attenuated.

[0028] In order to facilitate monitoring, the present embodiment further provides a display screen 7 on the wall of the test room 1 . The display screen 7 is electrically connected to the on-site control console 5 to display the test environment parameters of the test room 1 in real time.

[0029] In this embodiment, the test background 8 configures a test program to control the test. The test program specifically includes the following functional modules: Test environment setting module: used to set the test environment of test room 1; Test parameter receiving module: used to receive the test parameters sent by the field control console 5; Lifetime estimation module: used for processing the received test parameters and estimating the lifespan of the solar cell panel 3 .

[0030] The test personnel set the test environment according to the needs through the test environment setting module, such as the ambient temperature and humidity of the test room 1, the temperature of the surface of the photovoltaic pavement 2 to be tested, etc. The test parameter receiving module receives the test parameters sent by the field control console 5, including light intensity and conversion current to calculate the photoelectric conversion efficiency. In addition, the field control console 5 also sends the real-time detected environmental temperature and humidity and other parameters to the test background 8 to more accurately estimate the life of the solar cell panel 3 under a specific environment. The life estimation module can select test parameters according to needs, detect the influence of one or several test parameters on the life of the solar cell panel 3, such as maintaining a certain temperature and humidity, and estimating the life of the solar cell panel 3 under the temperature and humidity environment. Specifically, the parameters at multiple time points can be collected, and the life of the solar cell panel 3 can be estimated by fitting the curve using the least squares method.

[0031] The above disclosure is only a preferred embodiment of the present invention, but the present invention is not limited thereto. Any non-creative changes that can be thought of by a person skilled in the art, as well as several improvements and modifications made without departing from the principle of the present invention, should fall within the protection scope of the present invention.

Claims

1. A photovoltaic pavement photovoltaic module life test system, characterized in that: It includes a test room and a test backstage. The test room has glass walls. The photovoltaic pavement to be tested is placed in the test room, and solar panels are laid in the photovoltaic pavement to be tested; The test room is also equipped with environmental adjustment equipment, solar panel performance testing equipment and a field control console: the environmental adjustment equipment and the solar panel performance testing equipment are electrically connected to the field control console respectively, and the field control console communicates wirelessly with the test background; the field control console controls the environmental adjustment equipment to adjust the test environment in the test room according to the adjustment instructions sent from the test background, and detects the performance parameters of the solar panel through the solar panel performance testing equipment, and sends the detected solar panel performance parameters to the test background, which predicts the life of the solar panel under different environmental conditions according to the solar panel performance parameters.

2. The photovoltaic pavement photovoltaic module life test system according to claim 1 is characterized in that: Environmental conditioning equipment includes: Heating and cooling device: used for heating and cooling the test room environment and the surface of the photovoltaic pavement to be tested; Humidifier: used to humidify the environment in the test room; Fan: used to exhaust air in the test room.

3. The photovoltaic pavement photovoltaic module life test system according to claim 2 is characterized in that: Environmental conditioning equipment also includes: Ambient temperature sensor: used to detect the ambient temperature in the test room; Pavement temperature sensor: used to detect the surface temperature of the photovoltaic pavement to be tested; Ambient humidity sensor: used to detect the ambient humidity in the test room.

4. The photovoltaic pavement photovoltaic module life test system according to claim 2 or 3, characterized in that: The heating and cooling devices include air conditioners, photovoltaic pavement heating elements and photovoltaic pavement cooling elements; The photovoltaic pavement heating element is used to heat the surface of the photovoltaic pavement to be tested, and the photovoltaic pavement cooling element is used to cool the surface of the photovoltaic pavement to be tested.

5. The photovoltaic pavement photovoltaic module life test system according to claim 4 is characterized in that: The photovoltaic pavement heating element comprises a first mesh support plate and a heating resistance wire, wherein the heating resistance wire is arranged on the first mesh support plate; The photovoltaic pavement refrigeration component includes a second mesh support plate, a water-cooling pipe, a water-cooling box and a circulation pump; the water-cooling pipe is arranged on the second mesh support plate, the circulation pump is arranged on the water-cooling pipe, and the water-cooling pipe is connected to the water-cooling box.

6. The photovoltaic pavement photovoltaic module life test system according to any one of claims 1 to 3, characterized in that: Solar panel performance testing equipment includes: Light intensity sensor: used to detect the light intensity in the test room; Current sensor: used to detect the conversion current of the solar panel.

7. The photovoltaic pavement photovoltaic module life test system according to claim 6, characterized in that: The system also includes a display screen, which is arranged on the wall of the test room and is electrically connected to the on-site control console.

8. The photovoltaic pavement photovoltaic module life test system according to any one of claims 1 to 3, characterized in that: The test background is configured with test programs, which include: Test environment setting module: used to set the test environment of the test room; Test parameter receiving module: used to receive test parameters sent by the on-site console; Lifetime estimation module: used to process the received test parameters and estimate the life of the solar panel.

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