CN106876512B - The aeration radiation system and method for solar panel - Google Patents
The aeration radiation system and method for solar panel Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005273 aeration Methods 0.000 title 1
- 230000005855 radiation Effects 0.000 title 1
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 238000010248 power generation Methods 0.000 claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 32
- 238000004146 energy storage Methods 0.000 claims abstract description 27
- 238000009423 ventilation Methods 0.000 claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/60—Arrangements for cooling, heating, ventilating or compensating for temperature fluctuations
- H10F77/63—Arrangements for cooling directly associated or integrated with photovoltaic cells, e.g. heat sinks directly associated with the photovoltaic cells or integrated Peltier elements for active cooling
- H10F77/68—Arrangements for cooling directly associated or integrated with photovoltaic cells, e.g. heat sinks directly associated with the photovoltaic cells or integrated Peltier elements for active cooling using gaseous or liquid coolants, e.g. air flow ventilation or water circulation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/40—Optical elements or arrangements
- H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
- H10F77/488—Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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Abstract
本发明涉及一种太阳能电池的通风散热系统及方法。所述系统包括：热能吸收模块，安装在太阳能电池板背面，用于吸收太阳能电池板背面的热能，并将热能传递到所述温差发电模块；温差发电模块，分别连接热能吸收模块和储能模块，用于将所述热能吸收模块传递过来的热能转换成电能，并输出到储存模块；储能模块，分别连接温差发电模块和散热装置，用于储存所述温差发电模块转换后的电能；散热装置，连接储能模块，用于利用所述储能模块中的电能在太阳能电池板表面加速空气对流。通过上述系统降低太阳能电池板的温度，提高太阳能电池的光电转换效率，减缓电池的衰减，延长太阳能电池的使用寿命。
The invention relates to a ventilation and heat dissipation system and method for solar cells. The system includes: a thermal energy absorption module installed on the back of the solar panel for absorbing heat energy on the back of the solar panel and transferring the thermal energy to the thermoelectric power generation module; a thermoelectric power generation module connected to the thermal energy absorption module and the energy storage module respectively , for converting the thermal energy transferred from the thermal energy absorbing module into electrical energy and outputting it to the storage module; the energy storage module is respectively connected to the thermoelectric power generation module and the cooling device, and is used to store the converted electric energy of the thermoelectric power generation module; heat dissipation The device is connected to the energy storage module, and is used to accelerate air convection on the surface of the solar panel by utilizing the electric energy in the energy storage module. The above system reduces the temperature of the solar battery panel, improves the photoelectric conversion efficiency of the solar battery, slows down the attenuation of the battery, and prolongs the service life of the solar battery.
Description
技术领域technical field
本发明涉及太阳能电池领域，特别是涉及太阳能电池板的通风散热系统及方法。The invention relates to the field of solar cells, in particular to a ventilation and cooling system and method for solar cell panels.
背景技术Background technique
随着全球能源危机、大气污染及生态破坏等问题日益突出，太阳能作为一种清洁的可再生能源备受科研工作者的重视。目前，太阳能发电技术的迅速发展，扩大了太阳能电池的应用规模。As the global energy crisis, air pollution and ecological damage become increasingly prominent, solar energy, as a clean and renewable energy, has attracted the attention of scientific researchers. At present, the rapid development of solar power generation technology has expanded the application scale of solar cells.
如今占据太阳能电池市场的主要是第一代太阳能电池，即单晶硅和多晶硅电池。同时，单晶硅太阳能电池也是目前太阳能电池中发电效率最高的，约为25.6％，但总体上这个发电效率仍然较低。影响发电效率的因素主要分为外因和内因，外因主要包括光照度、雨水、环境温度、雾霾、覆冰等天候条件；内因主要包括光伏板材料、厚度、安装角度等因素。Today, the solar cell market is dominated by first-generation solar cells, namely monocrystalline silicon and polycrystalline silicon cells. At the same time, monocrystalline silicon solar cells are currently the highest power generation efficiency among solar cells, about 25.6%, but overall the power generation efficiency is still low. Factors affecting power generation efficiency are mainly divided into external and internal factors. External factors mainly include weather conditions such as illuminance, rain, ambient temperature, smog, and ice coverage; internal factors mainly include photovoltaic panel materials, thickness, and installation angle.
经国内外众多科研工作者和研究机构表明，环境温度对太阳能电池发电效率有显著影响，晶体硅类太阳能电池对温度上升的耐受性较差，温度每上升约1K，输出功率就会下降0.45％。在夏季正常日照下，未采取措施的太阳能电池的表面温度会上升至342.3K(约69℃)，而室外型太阳能电池发电性能的额定值大部分都是在25℃的温度下测定的，温度较额定值的条件上升了约42K，会导致输出功率下降约19％。如果是转换效率额定值为20％的太阳能电池，在这一条件下实际能发挥出的转换效率仅为16％左右。Many scientific researchers and research institutions at home and abroad have shown that the ambient temperature has a significant impact on the power generation efficiency of solar cells. Crystalline silicon solar cells have poor tolerance to temperature rise. For every 1K increase in temperature, the output power will drop by 0.45. %. Under normal sunlight in summer, the surface temperature of solar cells without measures will rise to 342.3K (about 69°C), and most of the rated values of the power generation performance of outdoor solar cells are measured at a temperature of 25°C. An increase of about 42K from the rated value will cause the output power to drop by about 19%. If it is a solar cell with a conversion efficiency rating of 20%, the actual conversion efficiency under this condition is only about 16%.
目前市场上的太阳能电池板在安装后，经长时间阳光照射后，太阳能电池板温度较高，难以达到预设的光电转换效率。同时，太阳能电池板长时间的高温会加速太阳能电池的衰减。At present, after the solar panels on the market are installed and exposed to sunlight for a long time, the temperature of the solar panels is relatively high, and it is difficult to achieve the preset photoelectric conversion efficiency. At the same time, the high temperature of the solar panel for a long time will accelerate the decay of the solar cell.
发明内容Contents of the invention
基于此，有必要针对太阳能电池板在日照下工作时温度过高的问题，提供一种太阳能电池板的通风散热系统及方法。Based on this, it is necessary to provide a ventilation and cooling system and method for solar panels to solve the problem of excessive temperature when the solar panels work under sunlight.
本发明实施例采用以下的技术方案：The embodiment of the present invention adopts following technical scheme:
一种太阳能电池板的通风散热系统，包括：A ventilation and cooling system for solar panels, comprising:
热能吸收模块，安装在太阳能电池板背面，用于吸收太阳能电池板背面的热能，并将热能传递到所述温差发电模块；The thermal energy absorption module is installed on the back of the solar panel, and is used to absorb the heat energy on the back of the solar panel, and transfer the heat energy to the thermoelectric power generation module;
温差发电模块，分别连接热能吸收模块和储能模块，用于将所述热能吸收模块传递过来的热能转换成电能，并输出到储存模块；The thermoelectric power generation module is connected to the thermal energy absorption module and the energy storage module respectively, and is used to convert the thermal energy transferred from the thermal energy absorption module into electrical energy and output it to the storage module;
储能模块，还连接散热装置，用于储存所述温差发电模块转换后的电能，并为散热装置供电；The energy storage module is also connected to the heat dissipation device, and is used to store the electric energy converted by the thermoelectric power generation module and supply power to the heat dissipation device;
散热装置，用于驱动太阳能电池板表面空气加速对流；Heat dissipation device, used to drive the air on the surface of the solar panel to accelerate convection;
还包括温控开关模块，所述储能模块与所述散热装置通过所述温控开关模块连接；所述温控开关模块用于检测太阳能电池板表面的温度，根据太阳能电池板表面的温度接通或断开所述储能模块对所述散热装置的供电电路。It also includes a temperature control switch module, the energy storage module is connected to the heat dissipation device through the temperature control switch module; the temperature control switch module is used to detect the temperature of the surface of the solar cell panel, Turn on or off the power supply circuit of the energy storage module to the heat dissipation device.
一种太阳能电池板的通风散热方法，包括：A method for ventilation and heat dissipation of a solar panel, comprising:
吸收太阳能电池板背面的热能；Absorb heat energy from the back of the solar panel;
将吸收到的热能转换成电能；Convert absorbed heat energy into electrical energy;
储存经热能转换得到的电能；Store electrical energy obtained through thermal energy conversion;
利用所述的电能驱动对应的散热装置，在所述散热装置的作用下使太阳能电池板表面空气加速对流；Using the electric energy to drive the corresponding cooling device, under the action of the cooling device, the air on the surface of the solar cell panel is accelerated to convect;
检测太阳能电池板表面的温度；当太阳能电池板表面温度高于预设的温度阈值时，利用所述电能启动对应的散热装置，在散热装置的作用下使太阳能电池板表面加速空气对流；当太阳能电池板表面温度低于所述预设的温度阈值时，关闭对应的散热装置。Detect the temperature of the surface of the solar panel; when the surface temperature of the solar panel is higher than the preset temperature threshold, use the electric energy to start the corresponding cooling device, and accelerate the air convection on the surface of the solar panel under the action of the cooling device; when the solar panel When the surface temperature of the battery board is lower than the preset temperature threshold, the corresponding cooling device is turned off.
本发明实施例提供的技术方案带来的有益效果：Beneficial effects brought by the technical solutions provided by the embodiments of the present invention:
利用本发明提供的太阳能电池板的通风散热系统及方法，在太阳能电池板经日照温度上升后，将背面的热能转换成电能，降低太阳能电池板背面的温度，同时利用电能加速太阳能电池板表面的空气对流，以降低其表面的温度，提高太阳能电池的光电转换效率，减缓电池的衰减，延长太阳能电池的使用寿命。Utilize the ventilation and heat dissipation system and method of the solar cell panel provided by the present invention, after the temperature of the solar cell panel rises under sunlight, the heat energy on the back side is converted into electric energy, the temperature on the back side of the solar cell panel is reduced, and the electric energy is used to accelerate the heat dissipation on the surface of the solar cell panel Air convection reduces the temperature of the surface, improves the photoelectric conversion efficiency of the solar cell, slows down the attenuation of the cell, and prolongs the service life of the solar cell.
附图说明Description of drawings
图1为一实施例的太阳能电池板通风散热系统结构示意图；Fig. 1 is a schematic structural diagram of a solar panel ventilation and cooling system of an embodiment;
图2为一实施例的太阳能电池通风散热系统的实际安装示意图；Fig. 2 is a schematic diagram of the actual installation of the solar cell ventilation and heat dissipation system of an embodiment;
图3为一优选实施例的太阳能电池板通风散热系统结构示意图；Fig. 3 is a schematic structural diagram of a solar panel ventilation and heat dissipation system in a preferred embodiment;
图4为一实施例的太阳能电池板通风散热方法流程示意图；Fig. 4 is a schematic flow chart of a method for ventilating and dissipating solar panels according to an embodiment;
图5为一优选实施例的太阳能电池板通风散热方法流程示意图。Fig. 5 is a schematic flow chart of a method for ventilating and dissipating heat from a solar cell panel in a preferred embodiment.
具体实施方式Detailed ways
为了更好地理解本发明的目的、技术方案以及技术效果，以下结合附图和实施例对本发明进行进一步的讲解说明。同时声明，以下所描述的实施例仅用于解释本发明，并不用于限定本发明。In order to better understand the purpose, technical solution and technical effect of the present invention, the present invention will be further explained below in conjunction with the accompanying drawings and embodiments. At the same time, it is stated that the embodiments described below are only used to explain the present invention, and are not intended to limit the present invention.
在一实施例中，如图1所示，为一实施例的太阳能电池板的通风散热系统，包括：热能吸收模块、温差发电模块、储能模块和散热装置。各模块的配合关系如下：In one embodiment, as shown in FIG. 1 , it is a ventilation and heat dissipation system for a solar panel of an embodiment, including: a thermal energy absorption module, a thermoelectric power generation module, an energy storage module and a heat dissipation device. The coordination relationship of each module is as follows:
热能吸收模块，安装在太阳能电池板背面，用于吸收背面的温度并传递到温差发电模块。The thermal energy absorption module is installed on the back of the solar panel to absorb the temperature on the back and transmit it to the thermoelectric power generation module.
在一实施例中，热能吸收模块包括半导体散热片，本实施例选用无源半导体散热片，将半导体散热片的冷端对接太阳能电池板的背面，热端对接温差发电模块。半导体散热片冷端吸收电池板背面的热量，并将热量传递到热端，基于此过程降低太阳能电池板背面的温度。In one embodiment, the thermal energy absorption module includes a semiconductor heat sink. In this embodiment, a passive semiconductor heat sink is selected. The cold end of the semiconductor heat sink is connected to the back of the solar panel, and the hot end is connected to the thermoelectric power generation module. The cold end of the semiconductor heat sink absorbs the heat from the back of the solar panel and transfers the heat to the hot end, which reduces the temperature on the back of the solar panel based on this process.
温差发电模块，分别连接热能吸收模块和储能模块，用于将热能转换成电能，并输出到储存模块。The thermoelectric power generation module is connected to the heat energy absorption module and the energy storage module respectively, and is used to convert heat energy into electric energy and output it to the storage module.
在一实施例中，温差发电模块包括温差发电片，温差发电片连接上述半导体散热片的热端，利用热端的热量在温差发电片两端形成温度差，实现热能与电能的转换，实现温差发电。In one embodiment, the thermoelectric power generation module includes a thermoelectric power generation chip, the thermoelectric power generation chip is connected to the hot end of the above-mentioned semiconductor heat sink, and the heat of the hot end is used to form a temperature difference between the two ends of the thermoelectric power generation chip to realize the conversion of thermal energy and electric energy, and realize thermoelectric power generation .
储能模块，分别连接温差发电模块和散热装置，用于储存经热电转换得到的电能，并为散热装置供电。The energy storage module is respectively connected to the thermoelectric power generation module and the cooling device, and is used to store the electric energy obtained through thermoelectric conversion and supply power to the cooling device.
在一实施例中，储能模块包括蓄电池，蓄电池储存上述温差发电片所产生的电能，以提高温差发电片的热电转换效率。In one embodiment, the energy storage module includes a battery, and the battery stores the electric energy generated by the thermoelectric generation sheet, so as to improve the thermoelectric conversion efficiency of the thermoelectric generation sheet.
散热装置，用于驱动太阳能电池板表面空气加速对流。The cooling device is used to drive the air on the surface of the solar panel to accelerate convection.
在一实施例中，散热装置包括风扇，本实施例中的选用合适功率的风扇，通过蓄电池的供电，给太阳能电池板表面送风，加速空气对流，带走太阳能电池板表面的热量，降低表面的温度。In one embodiment, the heat dissipation device includes a fan. In this embodiment, a fan with a suitable power is selected to supply air to the surface of the solar cell panel through the power supply of the battery, accelerate air convection, take away the heat on the surface of the solar cell panel, and reduce the surface temperature of the solar cell panel. temperature.
上述太阳能电池的通风散热系统及方法，通过各模块的配合，实现对太阳能电池板的通风散热。需要说明的是，上述各硬件装置为本实施例出于实际应用的优选选择。在实际操作中，可出于实际应用考虑选择不同的硬件装置。图2为一实施例的太阳能电池通风散热系统的实际安装示意图，如图所示，热能吸收模块紧贴于太阳能电池板背面，吸收其热能并传递到温差发电模块，温差发电模块将热能转换成电能并传递到储能模块，储能模块储存电能，同时为风扇的运作供电，风扇给太阳能电池板送风，加速其表面的空气对流，帮助降温。The ventilation and heat dissipation system and method for the solar battery mentioned above realize the ventilation and heat dissipation of the solar battery panel through the cooperation of various modules. It should be noted that the above hardware devices are preferred choices for practical applications in this embodiment. In actual operation, different hardware devices can be selected for practical application considerations. Figure 2 is a schematic diagram of the actual installation of the ventilation and heat dissipation system for solar cells in one embodiment. As shown in the figure, the thermal energy absorption module is closely attached to the back of the solar cell panel, absorbs the thermal energy and transmits it to the thermoelectric power generation module, and the thermoelectric power generation module converts the thermal energy into The electric energy is then transmitted to the energy storage module, which stores the electric energy and at the same time provides power for the operation of the fan. The fan sends air to the solar panel, accelerates the air convection on its surface, and helps to cool down.
在一优选实施例中，如图3所示，为一优选实施例的太阳能电池板通风散热系统，还包括温控开关模块，所述储能模块与所述散热装置通过所述温控开关模块连接；所述温控开关模块用于检测太阳能电池板表面的温度，根据太阳能电池板表面的温度接通或断开所述储能模块对所述散热装置的供电电路。In a preferred embodiment, as shown in Figure 3, it is a solar panel ventilation and heat dissipation system of a preferred embodiment, which also includes a temperature control switch module, and the energy storage module and the heat dissipation device pass through the temperature control switch module Connection; the temperature control switch module is used to detect the temperature of the surface of the solar panel, and switch on or off the power supply circuit of the energy storage module to the heat sink according to the temperature of the surface of the solar panel.
上述温控开关模块的技术效果可通过温度传感器-比较器、温度传感器-单片机-继电器或者温控器等技术实现。出于成本及实际应用效果的考虑，温控开关模块优选使用双金属片温控器，双金属片温控器可根据实际条件选择不同的温度阈值。在此为了详细解释说明本实施方式，以45℃双金属片温控器为例。将45摄氏度双金属片温控器安装在太阳能电池板表面，当表面温度达到预设的温度阈值，即45℃时，双金属片温控器接通储能模块与散热装置间的电路，散热装置得到供电，进而为太阳能电池板表面送风，加速表面的空气对流；当太阳能电池板表面的温度低于45℃时，双金属片温控器断开储能模块与散热装置间的电路，散热装置停止工作。The technical effect of the above-mentioned temperature control switch module can be realized by technologies such as temperature sensor-comparator, temperature sensor-single chip microcomputer-relay or temperature controller. In consideration of cost and practical application effect, the temperature control switch module preferably uses a bimetal thermostat, and the bimetal thermostat can select different temperature thresholds according to actual conditions. In order to explain this embodiment in detail, a 45°C bimetal thermostat is taken as an example. Install the 45°C bimetal thermostat on the surface of the solar panel. When the surface temperature reaches the preset temperature threshold, that is, 45°C, the bimetal thermostat connects the circuit between the energy storage module and the heat sink to dissipate heat. The device is powered, and then sends air to the surface of the solar panel to accelerate the air convection on the surface; when the temperature on the surface of the solar panel is lower than 45°C, the bimetal thermostat disconnects the circuit between the energy storage module and the heat sink, Cooling unit stopped working.
本实施例的选择可针对不同的系统工作环境选择不同的温度阈值，使储能模块能够储存相应的电能，为功率较大的散热装置供电，有利于散热装置选择不同的功率，提高系统工作的效率。The selection of this embodiment can select different temperature thresholds for different system working environments, so that the energy storage module can store corresponding electric energy and supply power to the cooling device with larger power, which is beneficial to the selection of different powers for the cooling device and improves the working efficiency of the system. efficiency.
在一实施例中，如图4所示，为一种太阳能电池板的通风散热方法，包括步骤：In one embodiment, as shown in Figure 4, it is a method for ventilation and heat dissipation of a solar cell panel, comprising steps:
吸收太阳能电池板背面的热能；Absorb heat energy from the back of the solar panel;
在一实施例中，采用半导体散热片吸收太阳能电池板背面的热能，半导体散热片的冷端吸收热能并传递到热端，通过热传导的过程，将太阳能电池板背面的热量传递到温差发电模块上，以此减少热量，降低太阳能电池板背面的温度。In one embodiment, the semiconductor heat sink is used to absorb the heat energy on the back of the solar cell panel, the cold end of the semiconductor heat sink absorbs heat energy and transfers it to the hot end, and through the process of heat conduction, the heat on the back of the solar cell panel is transferred to the thermoelectric power generation module , thereby reducing heat and lowering the temperature on the back of the solar panel.
将吸收到的热能转换成电能；Convert absorbed heat energy into electrical energy;
在一实施例中，半导体散热片将热能传递到了温差发电模块，温差发电模块采用温差发电片，吸收到的热能在温差发电片两面形成温度差，进一步完成发电，实现热能与电能的转换。In one embodiment, the semiconductor heat sink transfers thermal energy to the thermoelectric power generation module, and the thermoelectric power generation module uses a thermoelectric power generation chip, and the absorbed heat energy forms a temperature difference on both sides of the thermoelectric power generation chip, further completing power generation, and realizing the conversion of heat energy and electric energy.
储存经热能转换得到的电能；Store electrical energy obtained through thermal energy conversion;
储能模块采用蓄电池，储存上述经热电转换后得到的电能。The energy storage module uses a storage battery to store the above-mentioned electric energy obtained through thermoelectric conversion.
利用所述的电能驱动对应的散热装置，在所述散热装置的作用下使太阳能电池板表面空气加速对流。The electric energy is used to drive the corresponding cooling device, and the air on the surface of the solar panel is accelerated to convect under the action of the cooling device.
上述散热装置选用合适功率的风扇，利用转换后得到的电能，为太阳能电池板表面送风，从而加速太阳能电池板表面的空气对流，带走电池板表面的热量，降低表面的温度。The above-mentioned heat dissipation device selects a fan with appropriate power, and uses the converted electric energy to supply air to the surface of the solar panel, thereby accelerating the air convection on the surface of the solar panel, taking away the heat on the surface of the panel, and reducing the temperature of the surface.
通过上述的实施例，当太阳能电池板在日照下温度升高时，将其背面的热能转换成电能，同时利用该电能加速太阳能电池板表面的空气对流，以此分别降低太阳能电池板背面和表面的温度，降低其整体的温度。Through the above-mentioned embodiment, when the temperature of the solar cell panel rises under sunlight, the thermal energy on the back of the solar cell panel is converted into electrical energy, and at the same time, the electric energy is used to accelerate the air convection on the surface of the solar cell panel, thereby reducing the temperature of the solar cell panel back and surface respectively. temperature, lowering its overall temperature.
在一优选实施例中，如图5所示，所述太阳能电池板的通风散热方法可包括步骤：In a preferred embodiment, as shown in Figure 5, the ventilation and heat dissipation method of the solar cell panel may include the steps:
吸收太阳能电池板背面的热能。Absorb heat energy from the back of the solar panel.
将吸收到的热能转换成电能。Convert the absorbed heat energy into electrical energy.
储存经热能转换得到的电能。Store electrical energy obtained through thermal energy conversion.
利用所述的电能驱动对应的散热装置，在所述散热装置的作用下使太阳能电池板表面空气加速对流。The electric energy is used to drive the corresponding cooling device, and the air on the surface of the solar panel is accelerated to convect under the action of the cooling device.
检测太阳能电池板表面的温度，当温度高于预设的温度阈值时，利用所述的电能启动对应的散热装置，在散热装置的作用下使太阳能电池板表面空气加速对流。当太阳能电池板表面温度低于所述预设的温度阈值时，关闭对应的散热装置。Detect the temperature of the surface of the solar panel, and when the temperature is higher than the preset temperature threshold, use the electric energy to start the corresponding cooling device, and accelerate the air convection on the surface of the solar panel under the action of the cooling device. When the surface temperature of the solar cell panel is lower than the preset temperature threshold, the corresponding cooling device is turned off.
本实施例通过上述系统的温控开关模块实现，温控开关模块选用双金属片温控器，将其安装在太阳能电池板表面上，检测表面的温度，当太阳能电池板表面温度高于预设的温度阈值时，接通散热装置与储能模块间的电路，散热装置工作；当太阳能电池板表面温度低于预设的温度阈值时，断开散热装置与储能模块间的电路，散热装置停止工作。本实施例的选择可针对不同的系统工作环境选择不同的温度阈值，使储能模块能够储存相应的电能，为功率较大的散热装置供电，有利于散热装置选择不同的功率，提高系统工作的效率。This embodiment is realized through the temperature control switch module of the above-mentioned system. The temperature control switch module selects a bimetal thermostat and installs it on the surface of the solar panel to detect the temperature of the surface. When the surface temperature of the solar panel is higher than the preset When the temperature threshold is lower than the preset temperature threshold, the circuit between the cooling device and the energy storage module is connected, and the cooling device works; when the surface temperature of the solar panel is lower than the preset temperature threshold, the circuit between the cooling device and the energy storage module is disconnected, and the cooling device stop working. The selection of this embodiment can select different temperature thresholds for different system working environments, so that the energy storage module can store corresponding electric energy and supply power to the cooling device with larger power, which is beneficial to the selection of different powers for the cooling device and improves the working efficiency of the system. efficiency.
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The various technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.
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