Polar region photovoltaic module snow melting system, snow melting control method and polar region photovoltaic module

Abstract

The invention provides a polar region photovoltaic module snow melting system, a snow melting control method and a polar region photovoltaic module, and belongs to the technical field of photovoltaic equipment. Comprising a snow melting unit arranged on the back surface of the photovoltaic panel, and the snow melting unit is suitable for melting accumulated snow on the photovoltaic panel through heating; the sensing unit is arranged on the photovoltaic panel and is suitable for acquiring a pressure value and a light transmission value of the front surface of the photovoltaic panel; and the signal processing unit is suitable for acquiring the pressure value and the light transmission value, and controlling the snow melting operation of the snow melting unit based on the pressure value and the light transmission value. Efficient and automatic snow melting of the photovoltaic module under the extreme weather condition can be realized, and the stability and continuity of power supply are ensured.

Description

Technical Field

[0001] The present application belongs to the technical field of photovoltaic equipment, and specifically relates to a polar photovoltaic module snow melting system, a snow melting control method, and a polar photovoltaic module. Background Art

[0002] The Antarctic climate is harsh, characterized by freezing temperatures, high wind pressure, and year-round snow. Providing a safe, comfortable, and fully functional space environment for the expedition team, meeting their work and living needs, poses a major challenge in this harsh natural environment. The first and most pressing issue is power supply. Since it's impossible to lay cables from mainland China to Antarctica, the energy problem must be solved locally. Using fossil fuels for energy would cause irreversible damage to the Antarctic environment. Therefore, clean energy naturally became the preferred option. Photovoltaic power generation, as a key component of clean energy, combined with the high sunlight intensity of polar regions, was first used in Antarctica to address power supply issues.

[0003] However, while photovoltaic panels effectively convert solar energy into electricity, the variability of polar climates, particularly frequent strong winds and snow, severely impacts their ability to generate electricity. Current methods for managing snow accumulation on photovoltaic panels are limited, lacking precise, real-time snowmelt measures. This not only impacts the panels' efficiency but also increases maintenance costs and complexity. Summary of the Invention

[0004] In order to solve at least one technical problem existing in the background technology, the present application provides a polar photovoltaic module snow melting system, which can realize efficient and automatic snow melting of photovoltaic modules under extreme climatic conditions, ensuring the stability and continuity of power supply.

[0005] The technical solutions adopted in this application are: A first embodiment of the present application provides a polar photovoltaic assembly snow melting system, comprising: A snow melting unit is provided on the back of the photovoltaic panel, and the snow melting unit is suitable for melting snow on the photovoltaic panel by generating heat; A sensing unit provided on the photovoltaic panel, the sensing unit being adapted to collect pressure values ​​and light transmittance values ​​on the front side of the photovoltaic panel; A signal processing unit is configured to obtain the pressure value and the light transmittance value, and control the snow melting operation of the snow melting unit based on the pressure value and the light transmittance value.

[0006] According to the polar photovoltaic module snow melting system provided by the embodiment of the first aspect of the present application, the system includes a snow melting unit, a sensing unit and a signal processing unit arranged on the back of the photovoltaic panel. The snow melting unit melts the snow covering the photovoltaic panel by generating heat, ensuring that the surface of the photovoltaic module remains clean and maximizing the photoelectric conversion efficiency; the sensing unit is arranged on the photovoltaic panel and is responsible for collecting the pressure value and light transmittance value on the front of the photovoltaic panel, so as to accurately judge the snow accumulation situation. After the signal processing unit obtains these data, it intelligently controls the start and stop of the snow melting unit based on the changes in the pressure value and light transmittance value, thereby achieving accurate and efficient snow melting operations. This design not only solves the problem of the traditional snow melting method being single and ineffective, but also improves the reliability and response speed of the system through intelligent control means, so that the photovoltaic module can work stably even under extreme climatic conditions, providing a solid guarantee for the power supply in special environments such as polar scientific research stations, and significantly improving the application scope and reliability of clean energy under harsh natural conditions.

[0007] According to one embodiment of the present application, the snow melting unit includes a resistance wire, and the resistance wire is applied to the back side of the photovoltaic panel.

[0008] According to one embodiment of the present application, the sensing unit includes a pressure sensor and a light sensor; The pressure sensor is suitable for collecting the pressure value on the front side of the photovoltaic panel; The light sensor is suitable for collecting the light transmittance value of the front side of the photovoltaic panel.

[0009] According to one embodiment of the present application, it further includes: A power supply unit is adapted to store the electric energy converted by the photovoltaic panel and provide electric energy to the snow melting unit, the sensing unit and the signal processing unit.

[0010] According to one embodiment of the present application, the energy supply unit is electrically connected to a wind power generation system to store the electrical energy converted by the wind power generation system.

[0011] According to one embodiment of the present application, it further includes: Transparent glass and adhesive film covering the photovoltaic panel; The photovoltaic panel frame is suitable for supporting the photovoltaic panel.

[0012] A second embodiment of the present application provides a snow melting control method for the polar photovoltaic assembly snow melting system based on any one of the embodiments of the first aspect described above, comprising: Get the pressure and light transmittance values ​​on the front of the photovoltaic panel; determining whether snow is accumulated on a surface of the photovoltaic panel based on at least one of the pressure value and the transmittance value; When it is determined that there is snow accumulation, the snow melting unit is started to heat to perform a snow melting operation.

[0013] According to one embodiment of the present application, determining whether there is snow accumulation on the surface of the photovoltaic panel based on at least one of the pressure value and the transmittance value is specifically as follows: When the pressure value is greater than 10 Pa, it is determined that snow is accumulated on the photovoltaic panel.

[0014] According to one embodiment of the present application, determining whether there is snow accumulation on the surface of the photovoltaic panel based on at least one of the pressure value and the transmittance value is specifically as follows: When the transmittance value is lower than 50%, it is determined that snow is accumulated on the photovoltaic panel.

[0015] A third embodiment of the present application provides a polar photovoltaic module, including: The polar photovoltaic assembly snow melting system in any embodiment of the first aspect as described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings: Figure 1 A schematic diagram of the structure of the polar photovoltaic assembly snow melting system provided in an embodiment of the present application; Figure 2 A schematic flow chart of the snow melting control method provided in an embodiment of the present application.

[0017] in, 11. Photovoltaic panels; 12. Snow melting unit; 13. Sensing unit; 14. Energy supply unit. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0019] The following description sets forth many specific details to facilitate a thorough understanding of the present application. However, the present application may also be implemented in other ways than those described herein, and therefore, the scope of protection of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features of each embodiment may be combined with each other unless there is a conflict.

[0020] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present application.

[0021] In this application, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0022] In this application, unless otherwise expressly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0023] like Figure 1 As shown, the first embodiment of the present application provides a polar photovoltaic assembly snow melting system, comprising: A snow melting unit 12 is provided on the back of the photovoltaic panel 11, and the snow melting unit 12 is suitable for melting snow on the photovoltaic panel 11 by generating heat; A sensing unit 13 disposed on the photovoltaic panel 11, the sensing unit 13 is adapted to collect pressure and light transmittance values ​​on the front side of the photovoltaic panel 11; The signal processing unit is adapted to obtain a pressure value and a light transmittance value, and control the snow melting operation of the snow melting unit 12 based on the pressure value and the light transmittance value.

[0024] According to the first embodiment of the present application, a polar photovoltaic module snow melting system is provided. The system includes a snow melting unit 12, a sensing unit 13, and a signal processing unit, which are arranged on the back of the photovoltaic panel 11. The snow melting unit 12 generates heat to melt the snow covering the photovoltaic panel 11, ensuring that the surface of the photovoltaic panel remains clean and maximizing the photoelectric conversion efficiency. The sensing unit 13 is arranged on the photovoltaic panel 11 and is responsible for collecting the pressure value and light transmittance value on the front of the photovoltaic panel 11 to accurately determine the snow accumulation situation. After obtaining this data, the signal processing unit intelligently controls the start and stop of the snow melting unit 12 based on the changes in the pressure value and light transmittance value, thereby achieving precise and efficient snow melting operations. This design not only solves the problem of the traditional snow melting method being single and ineffective, but also improves the reliability and response speed of the system through intelligent control means, allowing the photovoltaic module to operate stably even under extreme climatic conditions, providing a solid guarantee for the power supply in special environments such as polar scientific research stations, and significantly improving the application scope and reliability of clean energy in harsh natural conditions.

[0025] In some embodiments of the present application, the snow melting unit 12 includes a resistance wire attached to the back of the photovoltaic panel 11. The resistance wire acts as a heating element, generating heat when current passes through it. Because it is tightly attached to the back of the photovoltaic panel 11, the heat is quickly and evenly transferred to the surface of the photovoltaic panel 11, effectively melting the snow covering it and ensuring that the photovoltaic module can operate efficiently without being affected by snow accumulation.

[0026] Installing the resistance wire on the back side of the photovoltaic panel 11 rather than the front side prevents direct physical damage or obstruction to the photovoltaic cells, ensuring maximum photoelectric conversion efficiency. It also reduces damage to the resistance wire itself from external environmental factors (such as wind, sand, ice, and snow), extending the system's service life.

[0027] The patch design makes the entire system more compact and does not require additional space to accommodate the heating element, which is especially important for polar research stations or other similar application scenarios with limited installation area.

[0028] Since the resistance wire is located on the back of the photovoltaic panel 11, it provides convenience for daily inspection and maintenance. Relevant operations can be performed without disassembling or moving the photovoltaic components, reducing maintenance costs and complexity.

[0029] In some embodiments of the present application, the sensing unit 13 includes a pressure sensor and a light sensor; The pressure sensor is suitable for collecting the pressure value on the front of the photovoltaic panel 11; The light sensor is suitable for collecting the light transmittance value of the front side of the photovoltaic panel 11 .

[0030] The pressure sensor is used to measure the pressure on the front of the photovoltaic panel 11. When snow accumulates on the photovoltaic panel 11, it exerts a certain amount of pressure. By monitoring this pressure change, the pressure sensor can effectively detect the presence and thickness of snow. Once the detected pressure exceeds a preset threshold (for example, greater than 10 Pa), it indicates that there is enough snow on the photovoltaic panel 11 that needs to be removed. At this time, the signal processing unit receives a corresponding signal and activates the snow melting unit 12.

[0031] The main function of the light sensor is to measure the light transmittance of the photovoltaic panel 11. Snow cover significantly reduces the light transmittance of the photovoltaic panel 11, thereby affecting its photoelectric conversion efficiency. The light sensor can monitor changes in this light transmittance in real time. If the light transmittance falls below a certain threshold (for example, below 50%), it indicates that the photovoltaic panel 11 may be covered by snow or other obstructions. This information is also transmitted to the signal processing unit, which serves as an important basis for determining whether to initiate snow melting.

[0032] By combining pressure and light transmittance, the system can more accurately distinguish between different types of cover (such as snow and dust) and take the most appropriate action based on the actual situation. This design also effectively reduces the possibility of misoperation and ensures that the energy-intensive snow melting process is only initiated when it is truly needed, thereby improving the energy efficiency of the entire system.

[0033] like Figure 1 As shown, in some embodiments of the present application, it also includes: The energy supply unit 14 is suitable for storing the electric energy converted by the photovoltaic panel 11 and providing electric energy to the snow melting unit 12, the sensing unit 13 and the signal processing unit.

[0034] The energy supply unit 14 is typically composed of high-performance batteries that can effectively store excess electricity generated by the photovoltaic panels 11 during periods of sufficient sunlight. This energy storage mechanism ensures that the system still has enough energy to maintain normal operation even at night or under continuous inclement weather conditions.

[0035] The energy supply unit 14 not only provides the necessary power to the snow melting unit 12 to initiate the heating process and melt the snow covering the photovoltaic panels 11, but also powers the sensing unit 13 and the signal processing unit. This ensures that the sensors can continuously monitor the status of the photovoltaic panels 11 and enables the signal processing unit to analyze the data and make decisions in a timely manner.

[0036] By rationally managing the storage and distribution of electrical energy, the energy supply unit 14 enhances the stability and reliability of the entire snowmelt system. A stable power supply is crucial to ensuring the normal operation of research stations, especially in extreme environments such as the polar regions.

[0037] In some embodiments of the present application, the energy supply unit 14 is electrically connected to a wind power generation system to store the electrical energy converted by the wind power generation system. By connecting the energy supply unit 14 to the wind power generation system, the system is able to utilize two different renewable energy sources - solar energy and wind energy. In polar environments, although the duration and intensity of sunshine may be affected by seasonal changes, strong winds are relatively common meteorological conditions. Therefore, integrating a wind power generation system can effectively supplement the insufficient power production of the photovoltaic system during certain periods or weather conditions, ensuring that the energy supply unit 14 always has sufficient energy reserves.

[0038] When the wind power generation system is operating, the electricity it generates is stored in the energy supply unit 14, providing an additional energy source for the snow melting unit 12, the sensing unit 13, and the signal processing unit. In severe weather conditions, such as during a snowstorm, the power generation efficiency of the photovoltaic panels 11 may drop significantly. The additional power provided by the wind power generation system is particularly important in ensuring the continued operation of the snow melting system and preventing snow accumulation from affecting the efficiency of the photovoltaic panels 11.

[0039] By combining multiple energy input methods, the reliability of the entire system is significantly improved. Even if the production of one type of energy (such as photovoltaic power generation) is limited due to environmental factors, another type of energy (such as wind power generation) can still maintain normal system operation. This complementary mechanism not only enhances the system's resilience to risks but also ensures continuous power supply support for critical facilities such as scientific research stations.

[0040] In some embodiments of the present application, further comprising: Transparent glass and film covering the photovoltaic panel 11; The frame of the photovoltaic panel 11 is suitable for supporting the photovoltaic panel 11 .

[0041] The transparent glass covering the photovoltaic panel 11 and the adhesive film underneath not only protect the photovoltaic cells from direct damage from the external environment (such as wind, sand, ice, and snow), but also ensure sufficient light transmission to maintain high photovoltaic conversion efficiency. High-quality transparent glass has excellent light transmission and weather resistance, allowing for long-term stable operation in extreme weather conditions without affecting the power generation efficiency of the photovoltaic panel 11. The adhesive film further strengthens the overall structural strength of the photovoltaic panel 11 and provides the necessary sealing to prevent the ingress of moisture and other contaminants, thereby extending the service life of the photovoltaic module.

[0042] The frame of the photovoltaic panel 11 is a critical component used to support the entire panel 11. It is typically made of a durable material, such as aluminum alloy, capable of withstanding strong winds, snow loads, and other possible mechanical stresses in extreme weather conditions. The frame's design must not only consider structural strength but also ease of installation and maintenance, ensuring that the photovoltaic panel 11 can be securely mounted in its intended location while being easily disassembled for cleaning or repair. Furthermore, the frame can be used in conjunction with other mounting systems to achieve more flexible installation solutions, adapting to different terrains and installation requirements.

[0043] like Figure 2 As shown, the second embodiment of the present application provides a snow melting control method of the polar photovoltaic assembly snow melting system based on any embodiment of the first aspect, including: Step 100: Obtain the pressure value and light transmittance value of the front side of the photovoltaic panel 11.

[0044] Step 200: Determine whether there is snow accumulation on the surface of the photovoltaic panel 11 based on at least one of the pressure value and the transmittance value.

[0045] Step 300: When it is determined that there is snow accumulation, the snow melting unit 12 is started to heat to perform snow melting operation.

[0046] In step 100, the system uses the pressure sensor and light sensor in the sensing unit 13 to collect pressure and light transmittance values ​​on the front of the photovoltaic panel 11. The pressure sensor detects changes in pressure caused by snow accumulation on the photovoltaic panel 11, while the light sensor monitors the decrease in light transmittance caused by snow cover. This data is then sent to the signal processing unit for further analysis.

[0047] In step 200, after receiving the data from the sensing unit 13, the signal processing unit will determine whether the surface of the photovoltaic panel 11 is covered with snow according to a preset standard. For example: If the pressure value is greater than a preset threshold, it can be determined that snow is accumulated on the photovoltaic panel 11 .

[0048] Alternatively, if the light transmittance falls below a preset threshold, this can be used as a proxy for the presence of snow accumulation. This step can also consider both parameters simultaneously to improve the accuracy of the judgment, ensuring that snow melting is initiated only when snow accumulation is indeed present, avoiding unnecessary energy consumption.

[0049] In step 300, once the signal processing unit confirms the presence of snow on the photovoltaic panel 11, it issues a command to activate the snow melting unit 12. The resistor in the snow melting unit 12 begins to heat up, and the heat is transferred to the surface of the photovoltaic panel 11, melting the snow. This process continues until the sensing unit 13 detects that the pressure value has returned to the normal range (i.e., no longer significant pressure) or the light transmittance has returned to a normal level, indicating that the snow has been cleared. At this point, the signal processing unit issues a stop command, and the snow melting unit 12 ceases operation.

[0050] The snowmelt control method provided in the second embodiment of this application intelligently combines pressure and light transmittance data to accurately determine whether snow is present on the surface of photovoltaic panels 11, and accordingly activates or deactivates the operation of snowmelt unit 12. This significantly improves the efficiency and accuracy of snow removal while effectively avoiding unnecessary energy consumption. This method ensures that photovoltaic panels can maintain efficient operation under any extreme climate conditions, greatly improving the stability and continuity of power supply.

[0051] In some embodiments of the present application, whether there is snow accumulation on the surface of the photovoltaic panel 11 is determined based on at least one of the pressure value and the light transmittance value, specifically: When the pressure value is greater than 10 Pa, it is determined that snow is accumulated on the photovoltaic panel 11 .

[0052] Precise pressure measurement accurately determines whether the photovoltaic panel 11 is covered with snow, avoiding unnecessary snow melting operations and energy waste due to misjudgment. Once the snow reaches a preset pressure threshold, the system reacts quickly and activates the snow melting unit 12, preventing excessive snow accumulation from affecting the power generation efficiency of the photovoltaic panel 11. The energy-intensive snow melting process is initiated only when the actual detected pressure exceeds the set threshold, effectively reducing energy consumption and improving the system's overall energy efficiency.

[0053] In some embodiments of the present application, whether there is snow accumulation on the surface of the photovoltaic panel 11 is determined based on at least one of the pressure value and the light transmittance value, specifically: When the transmittance value is lower than 50%, it is determined that there is snow accumulation on the photovoltaic panel 11.

[0054] Snow accumulation has a very direct and significant impact on the light transmission performance of photovoltaic panels 11. By monitoring changes in light transmission values, the system can quickly and accurately determine whether snow cover exists. In addition to pressure sensing, light transmission values ​​provide another independent verification method, enhancing the accuracy of the system's judgment. Even in the absence of a significant increase in pressure (such as a thin but extensive layer of snow), the presence of snow can be effectively detected. Promptly detecting and removing snow that affects light transmission ensures that photovoltaic panels 11 can maintain high photoelectric conversion efficiency and avoid energy loss caused by snow obstruction. The energy-consuming snow melting process is only initiated when the actual detected light transmission value falls below the set threshold. This ensures the effective operation of the photovoltaic panels, reduces unnecessary energy consumption, and improves the overall energy efficiency of the system.

[0055] A third embodiment of the present application provides a polar photovoltaic module, including: The polar photovoltaic assembly snow melting system in any embodiment of the first aspect above.

[0056] The polar photovoltaic module provided in the third embodiment of the present application integrates the polar photovoltaic module snow melting system in any of the embodiments of the first aspect mentioned above. This integrated design not only enables the photovoltaic module to automatically and efficiently remove snow under extreme climatic conditions, but also ensures the cleanliness and high transmittance of the surface of the photovoltaic panel 11, thereby maintaining high photoelectric conversion efficiency; at the same time, through the intelligent pressure value and transmittance value monitoring and response mechanism, the system can accurately determine whether it is necessary to start the snow melting operation, thereby avoiding unnecessary energy consumption and improving the overall energy efficiency ratio.

[0057] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0058] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on the differences from other embodiments.

[0059] The foregoing is merely an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included in the protection scope of the present application.

Claims

1. A polar photovoltaic module snow melting system, characterized in that: include: A snow melting unit is provided on the back of the photovoltaic panel, and the snow melting unit is suitable for melting snow on the photovoltaic panel by generating heat; A sensing unit provided on the photovoltaic panel, the sensing unit being adapted to collect pressure values ​​and light transmittance values ​​on the front side of the photovoltaic panel; A signal processing unit is configured to obtain the pressure value and the light transmittance value, and control the snow melting operation of the snow melting unit based on the pressure value and the light transmittance value.

2. The polar photovoltaic module snow melting system according to claim 1, characterized in that: The snow melting unit includes a resistance wire, and the resistance wire is attached to the back of the photovoltaic panel.

3. The polar photovoltaic module snow melting system according to claim 1, characterized in that: The sensing unit includes a pressure sensor and a light sensor; The pressure sensor is suitable for collecting the pressure value on the front side of the photovoltaic panel; The light sensor is suitable for collecting the light transmittance value of the front side of the photovoltaic panel.

4. The polar photovoltaic assembly snow melting system according to any one of claims 1 to 3, characterized in that: Also includes: A power supply unit is adapted to store the electric energy converted by the photovoltaic panel and provide electric energy to the snow melting unit, the sensing unit and the signal processing unit.

5. The polar photovoltaic module snow melting system according to claim 4, characterized in that: The energy supply unit is electrically connected to the wind power generation system to store the electric energy converted by the wind power generation system.

6. The polar photovoltaic assembly snow melting system according to any one of claims 1 to 3, characterized in that: Also includes: Transparent glass and adhesive film covering the photovoltaic panel; The photovoltaic panel frame is suitable for supporting the photovoltaic panel.

7. A snow melting control method based on the polar photovoltaic module snow melting system according to any one of claims 1 to 6, characterized in that: include: Get the pressure and light transmittance values ​​on the front of the photovoltaic panel; determining whether snow is accumulated on a surface of the photovoltaic panel based on at least one of the pressure value and the transmittance value; When it is determined that there is snow accumulation, the snow melting unit is started to heat to perform a snow melting operation.

8. The snow melting control method according to claim 7, characterized in that: The determining whether there is snow accumulation on the surface of the photovoltaic panel based on at least one of the pressure value and the light transmittance value is specifically as follows: When the pressure value is greater than 10 Pa, it is determined that snow is accumulated on the photovoltaic panel.

9. The snow melting control method according to claim 7, characterized in that: The determining whether there is snow accumulation on the surface of the photovoltaic panel based on at least one of the pressure value and the light transmittance value is specifically as follows: When the transmittance value is lower than 50%, it is determined that there is snow on the photovoltaic panel.

10. A polar photovoltaic module, characterized in that: include: The polar photovoltaic assembly snow melting system according to any one of claims 1 to 6.

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