A PVT photovoltaic water-based thermal cycle system

Abstract

The present invention relates to the technical field of solar energy application, and in particular to a PVT photovoltaic water-based thermal circulation system, comprising a photovoltaic module for converting solar energy into electrical energy, a photothermal module for utilizing the thermal energy generated by the photovoltaic module, and a thermal circulation module for circulating heating indoors, wherein the photothermal module is fixedly connected to the back of the photovoltaic module, the thermal circulation module is connected to the photothermal module, a heat-conducting medium is arranged in the thermal circulation module and the photothermal module, the photovoltaic module and the photothermal module are integrally connected, the photovoltaic module and the photothermal module are placed outdoors, the thermal circulation module is placed indoors, the photovoltaic module converts solar energy into electrical energy, the photovoltaic module generates a large amount of heat, the photothermal module absorbs heat on the back of the photovoltaic module, the photothermal module conducts the heat to the thermal circulation module, the thermal circulation module heats and blows out the low-temperature air, can quickly heat up the room, and the circulation of the heat-conducting medium can also cool down the photovoltaic module.

Description

Technical Field

[0001] The invention relates to the technical field of solar energy application, and in particular to a PVT photovoltaic water-based thermal circulation system. Background Art

[0002] In winter, the indoor temperature is low, and air conditioning or heating is needed to maintain the indoor temperature in a warm state, which consumes a lot of electricity and fossil energy. Currently, there are solar collectors that can heat up the indoor air, but the heating is slow and cannot meet people's normal life needs.

[0003] As an emerging energy source, solar energy has advantages over traditional fossil fuels in that it is inexhaustible, clean and environmentally friendly. However, the existing utilization of solar energy has the disadvantage of being too single. Using solar cell modules to convert solar energy into electrical energy or thermal energy can only capture a single energy source. Generally, a large amount of thermal energy will be generated in the process of converting solar energy into electrical energy, and this part of wasted thermal energy will cause the solar cell modules to heat up. The solar cell modules have the highest power generation efficiency at 25 degrees Celsius. The temperature of the solar cell modules under the sun can reach more than 60 degrees Celsius, which seriously affects the power generation performance of the solar cell modules and cannot maximize the utilization of solar energy. Summary of the invention

[0004] In order to improve the utilization rate of solar energy and use solar energy to circulate and heat indoor air, the present invention provides a PVT photovoltaic water-based thermal circulation system.

[0005] The present invention provides a PVT photovoltaic water-based thermal cycle system, which adopts the following technical solution:

[0006] A PVT photovoltaic water-based thermal cycle system, comprising:

[0007] Photovoltaic modules are used to convert solar energy into electrical energy. Photovoltaic modules include solar cells;

[0008] A photothermal assembly, used for utilizing the heat energy generated by the photovoltaic assembly and cooling the photovoltaic assembly, the photothermal assembly comprising a full-channel plate core, a serpentine flow channel being arranged in the full-channel plate core, at least one first liquid inlet and at least one first liquid outlet being arranged on the full-channel plate core, the first liquid inlet and the first liquid outlet being both connected to the serpentine flow channel, the photothermal assembly being arranged on the back of the photovoltaic assembly, and the photovoltaic assembly and the photothermal assembly being fixedly connected;

[0009] A heat circulation component is used to circulate indoor air to quickly increase the indoor temperature. The heat circulation component includes a blower, a circulation pump and a heating structure. The heating structure includes at least one heating tube. The heating tube is a double-layer structure. A circulation channel is arranged between the double layers of the heating tube. A second liquid inlet and a second liquid outlet are arranged on the heating tube. The second liquid inlet and the second liquid outlet are both connected to the circulation channel. The first liquid outlet is connected to the second liquid inlet through a connecting tube, and the second liquid outlet is connected to the first liquid inlet through a connecting tube. The circulation pump is arranged on any one of the connecting tubes. An air duct is formed in the heating tube. The air outlet of the blower is fixedly connected to one end of the heating tube. A heat-conducting medium is arranged in the serpentine flow channel and the circulation channel.

[0010] By adopting the above technical scheme, after the photovoltaic components and the photothermal components are connected as a whole, the photovoltaic components and the photothermal components are placed outdoors at an angle to the south, and the heat circulation components are placed indoors. The sun irradiates the photovoltaic components, and the photovoltaic components convert solar energy into electrical energy. The photovoltaic components also generate a large amount of heat. The photothermal components absorb heat on the back of the photovoltaic components, and the temperature of the medium in the serpentine channel increases. The circulation pump works to drive the medium to circulate in the serpentine channel of the photothermal component and the circulation channel in the heating tube, so that the temperature of the heating tube increases. The blower works to draw low-temperature air in the room and blow it into the heating tube. The heating tube heats the low-temperature air and blows it out, realizing the circulation of indoor air, which can quickly heat up the room and cool down the medium in the circulation channel at the same time. The cooled medium returns to the serpentine channel again to cool down the photovoltaic components, thereby improving the power generation efficiency of the photovoltaic components and maximizing the utilization of solar energy.

[0011] Furthermore, the full-flow channel plate core includes a heat conduction plate and a thermal insulation plate, the heat conduction plate is fixedly connected to the thermal insulation plate, a raised portion is provided on the thermal insulation plate, the serpentine flow channel is provided in the raised portion, the serpentine flow channel is formed between the heat conduction plate and the thermal insulation plate, and the heat conduction plate is fixedly connected to the back side of the photovoltaic module.

[0012] By adopting the above technical solution, the heat conducting plate is in direct contact with the photovoltaic module. The temperature of the photovoltaic module is high under the irradiation of sunlight. The heat conducting plate can quickly transfer the heat to the serpentine channel through the heat conducting plate, heat the heat conducting medium, and increase the indoor temperature, thereby making full use of the heat energy generated by solar energy. The heat conducting medium circulates continuously to cool down the solar cell, thereby improving the power generation efficiency of the solar cell.

[0013] Furthermore, after the photovoltaic module and the photothermal module are fixedly connected, the structures from top to bottom are tempered glass, solar cell sheets, EVA gel, TPT insulating backboard, heat conduction board, heat preservation board and heat insulation board, and the above structures are laminated into one piece.

[0014] By adopting the above technical solution, the above structure is placed in order and placed in a laminator. In a vacuum chamber and high temperature environment, the EVA film melts from a solid film to a liquid glue to generate adhesion. In a vacuum environment, several layers of components are completely bonded and laminated together, perfectly combining the photothermal component with the photovoltaic component, achieving seamless lamination of PVT photovoltaic thermal components without hidden cracks, realizing dual utilization of solar energy, and saving energy.

[0015] Furthermore, a fixed frame is provided on the outside of the photovoltaic module and the photothermal module, a card slot is provided inside the fixed frame, the tempered glass, solar cell, EVA gel, TPT insulating backboard, heat conducting plate and insulation board are fixed in the card slot, a baffle is provided on the side of the fixed frame away from the card slot, the insulation board is fixed between the insulation board and the baffle, and the baffle is detachably connected to the fixed frame.

[0016] By adopting the above technical solution, the fixed frame limits and fixes the position of the photovoltaic module and the solar thermal module to ensure stability during use, and the baffle is detachable for easy replacement or maintenance at a later time.

[0017] Furthermore, the heating tubes are arranged in plurality, and the first ends and the second ends of the plurality of heating tubes are respectively fixedly connected with a first main pipe, the main pipe is connected to the air outlet of the blower, the first main pipe is connected to the air ducts of the plurality of heating tubes, connecting pieces are arranged between adjacent heating tubes, the connecting pieces connect the circulation channels of adjacent heating tubes, and the shape of the heating tubes is arranged to be serpentine.

[0018] By adopting the above technical solution, multiple heating tubes can increase the speed of indoor temperature rise, the serpentine heating tubes reduce the occupied space, and the air can stay in the heating tubes for a longer time after entering, so that the air is fully heated, thereby improving the efficiency of indoor air heating.

[0019] Furthermore, at least one heating net is arranged in the air duct of the heating pipe, and a plurality of heating holes are arranged on the heating net. The interior of the heating net is hollow, and the heating net is connected to the circulation channel, while the heating holes are not connected to the circulation channel.

[0020] By adopting the above technical solution, low-temperature air enters the heating tube and passes through the heating net, which further heats the air, so that the air is heated evenly and completely, further improving the heating rate of the air.

[0021] Furthermore, a second main pipe is provided at the air inlet of the blower, the air inlet of the blower is connected to the second main pipe, the second main pipe is connected to a plurality of air inlet pipes, an adsorption layer is provided in the air inlet pipe, the adsorption layer is fixedly connected to the air inlet pipe, and activated carbon is provided in the adsorption layer.

[0022] By adopting the above technical solution, when the blower is working, air can be sucked in at the air inlet. After the air passes through the adsorption layer, the adsorption layer can adsorb pollutants in the air, such as formaldehyde, odor, etc., to achieve the effect of purifying the air.

[0023] Furthermore, the end of the air inlet pipe extends toward a side away from the blower, and the end of the heating pipe extends toward a direction away from the end of the air inlet pipe.

[0024] By adopting the above technical solution, the end of the air inlet pipe and the end of the heating pipe are arranged in opposite directions and at a long distance. Air with a lower temperature enters at the end of the air inlet pipe and flows out at the end of the heating pipe after being heated, which can promote the flow of air in the room. The air circulation can make the heated air quickly fill the room and quickly increase the indoor temperature.

[0025] Furthermore, the heat circulation component also includes a fixed shell, the interior of the fixed shell is hollow, and a plurality of ventilation holes are arranged on both sides of the fixed shell. A mounting plate, a support plate and a limit plate are arranged in the fixed shell, the blower is installed on the mounting plate, the support plate and the limit plate fix the position of the heating tube, a plurality of first openings and a plurality of second openings are arranged on the fixed shell, the end of the air inlet pipe is fixedly connected to the first opening, the end of the heating tube is fixedly connected to the second opening, and a filter is arranged at the first opening.

[0026] By adopting the above technical solution, the fixed shell can be fixed indoors by bolts, the mounting plate in the fixed shell fixes the blower, the support plate is located at the lower part of the heating tube cross bar, and supports the heating tube. The limit plate is located at the arc bend of the heating tube, and limits the position of the heating tube, thereby reducing the probability of the heating tube loosening during use. The filter can prevent foreign matter in the air from entering the blower, thereby avoiding damage to the blower.

[0027] Furthermore, the photovoltaic assembly also includes a micro-inverter and an energy storage box. The micro-inverter is electrically connected to the solar cell, the micro-inverter is electrically connected to the household appliance, the micro-inverter is also electrically connected to the energy storage box, and the energy storage box is electrically connected to the blower and the circulation pump.

[0028] By adopting the above technical solution, solar cells convert solar energy into electrical energy under the irradiation of sunlight, the micro inverter increases the voltage of the solar cells to 220V, and converts direct current into alternating current, which is connected to the household circuit for use by household appliances. The excess electricity is input into the energy storage box for storage and standby. The energy storage box can provide power for the blower and circulation pump, reducing the power consumption of the power grid, which is beneficial to energy conservation and emission reduction and conforms to the trend of sustainable development.

[0029] In summary, the present invention includes at least one of the following beneficial technical effects:

[0030] 1. Through the integrated setting of photovoltaic modules and solar thermal modules, the sun irradiates the photovoltaic modules, which convert solar energy into electrical energy and generate a large amount of heat. The solar thermal modules absorb heat on the back of the photovoltaic modules, which can be used for indoor heating and can quickly raise the indoor temperature. The solar thermal modules can also cool down the photovoltaic modules, thereby improving the power generation efficiency of the photovoltaic modules and maximizing the utilization of solar energy.

[0031] 2. Through the setting of the heat circulation component, the photovoltaic component generates a large amount of heat, and the solar thermal component absorbs heat on the back of the photovoltaic component. The temperature of the heat-conducting medium in the serpentine channel of the solar thermal component increases, and the circulation pump works to force the heat-conducting medium to circulate in the serpentine channel of the solar thermal component and the circulation channel in the heating tube, so that the temperature of the heating tube increases, and the blower works to draw the low-temperature air in the room and blow it into the heating tube. The heating tube heats the low-temperature air and blows it out, realizing the circulation of indoor air, which can quickly heat up the room and achieve the heating effect.

[0032] 3. By setting the end of the air inlet pipe in opposite directions to the end of the heating pipe, air with lower temperature enters at the end of the air inlet pipe and flows out at the end of the heating pipe after being heated, which can promote the flow of air in the room. The air circulation can make the heated air quickly fill the room and quickly increase the indoor temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural diagram of the entire first-view of this application;

[0034] Figure 2 It is a schematic diagram of the structure of the second perspective of the entire application;

[0035] Figure 3 It is a schematic diagram of the cross-sectional structure of the photovoltaic module, the photothermal module and the fixed frame of the present application;

[0036] Figure 4 It is a cross-sectional structural diagram of the cooperation between the photovoltaic module and the photothermal module of the present application;

[0037] Figure 5 It is a structural schematic diagram of the full-channel plate core of the present application;

[0038] Figure 6 This is a schematic diagram of the structure of the heating pipe in the present application in combination with the blower and the circulating pump;

[0039] Figure 7 It is a schematic diagram of the structure inside the thermal cycle component of the present application;

[0040] Figure 8 It is a schematic cross-sectional view of the thermal cycle assembly of the present application;

[0041] Fig. 9 It is a schematic diagram of the cross-sectional structure of the heating network of the present application in the first direction;

[0042] Fig.10 It is a schematic diagram of the cross-sectional structure of the heating network of the present application in the second direction;

[0043] Fig.11 It is a structural schematic diagram of the fixed housing of the present application;

[0044] Reference numerals: 100, photovoltaic module; 110, solar cell; 120, tempered glass; 130, EVA gel; 140, TPT insulating backboard; 150, micro inverter; 160, energy storage box; 170, fixed frame; 180, slot; 190, baffle; 200, photothermal module; 210, heat conduction plate; 220, insulation board; 230, insulation board; 240, serpentine flow channel; 260, ridge; 270, first liquid inlet; 280, first liquid outlet; 300 , heat circulation component; 310, heating pipe; 311, circulation channel; 312, connecting piece; 313, heating net; 314, adsorption layer; 315, filter screen; 316, heating hole; 320, blower; 330, circulation pump; 331, expansion tank; 340, first main pipe; 350, second main pipe; 360, fixed shell; 361, vent; 362, mounting plate; 363, support plate; 364, limit plate; 365, fixed ring; 370, connecting pipe; 380, air inlet pipe. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present invention are described clearly and completely below through specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation methods. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] The following combination Figure 1-Figure 11 The present invention is further described in detail.

[0047] This embodiment discloses a PVT photovoltaic water-based thermal cycle system. Figure 1-Figure 11, including a photovoltaic module 100 for converting solar energy into electrical energy, a photothermal module 200 for utilizing the heat energy generated by the photovoltaic module 100, a thermal cycle module 300 for indoor circulation heating, a micro inverter 150 for converting the electrical energy generated by the photovoltaic module 100 into commercial electricity, and an energy storage box 160 for storing excess electrical energy, the photothermal module 200 is fixedly connected to the back of the photovoltaic module 100, the thermal cycle module 300 is connected to the photothermal module 200, and a heat conducting medium is arranged in the thermal cycle module 300 and the photothermal module 200. After the photovoltaic module 100 and the photothermal module 200 are integrally connected, the photovoltaic module 100 and the photothermal module 200 are connected. Component 200 is placed outdoors and tilted toward the south, and heat circulation component 300 is placed indoors. The sun irradiates photovoltaic component 100, and photovoltaic component 100 converts solar energy into electrical energy. Photothermal component 100 also generates a large amount of heat. Photothermal component 200 absorbs heat on the back of photovoltaic component 100, and photothermal component 200 transfers heat to heat circulation component 300. Heat circulation component 300 heats and blows out low-temperature air to realize indoor air circulation, which can quickly heat up the room. The circulation of heat-conducting medium can also cool down photovoltaic component 100, thereby improving the power generation efficiency of photovoltaic component 100 and maximizing the utilization of solar energy.

[0048] Reference Figure 2-Figure 5 , the present embodiment adds the following technical features (the structure of the photothermal assembly 200 is specifically set as follows): the photothermal assembly 200 includes a full-channel plate core, a serpentine flow channel 240 is arranged in the full-channel plate core, a first liquid inlet 270 and a first liquid outlet 280 are arranged on the full-channel plate core, the first liquid inlet 270 and the first liquid outlet 280 are both connected to the serpentine flow channel 240, the photothermal assembly 200 is arranged on the back of the photovoltaic assembly 100, and the photovoltaic assembly 100 and the photothermal assembly 200 are fixedly connected;

[0049] The full-flow channel plate core includes a heat conducting plate 210 and a heat insulating plate 220, the heat conducting plate 210 is fixedly connected to the heat insulating plate 220, a ridge 260 is provided on the heat insulating plate 220, a serpentine flow channel is provided in the ridge 260, the serpentine flow channel is formed between the heat conducting plate 210 and the heat insulating plate 220, the heat conducting plate 210 is fixedly connected to the back of the photovoltaic module 100, the full-flow channel plate core is made of stainless steel, and is welded together by a stainless steel full-flow channel plate core welding process, a 1600T press is used, and a special mold is used to press the stainless steel sheet into shape, and the heat conducting plate 210 and the heat insulating plate 220 are welded together to form a dense flow channel of the whole plate, the whole plate circulates, the flow channel is in the same course, and the flow is balanced.

[0050] In this way, the heat-conducting medium can absorb the heat generated by the photovoltaic module 100 in the serpentine flow channel 240. The heat-conducting plate 210 is in direct contact with the photovoltaic module 100. The temperature of the photovoltaic module 100 is high under the irradiation of sunlight. The heat-conducting plate 210 can quickly transfer the heat to the serpentine flow channel 240 through the heat-conducting plate 210, heat the heat-conducting medium, and increase the indoor temperature, thereby making full use of the heat energy generated by solar energy. The heat-conducting medium circulates continuously to cool down the solar cell 110, thereby improving the power generation efficiency of the solar cell 110.

[0051] Reference Figure 1-Figure 4 , this embodiment adds the following technical features (the structure of the photovoltaic module 100 is specifically set as follows): the photovoltaic module 100 includes a solar cell 110 and an insulating backboard, and the insulating backboard is arranged on the back of the solar cell 110; after the photovoltaic module 100 and the photothermal module 200 are fixedly connected, the structure from top to bottom is tempered glass 120, solar cell 110, EVA gel 130, TPT insulating backboard 140, heat conduction plate 210, insulation plate 220 and heat insulation plate 230, and the above structure is laminated and integrated.

[0052] A fixed frame 170 is arranged on the outside of the photovoltaic component 100 and the photothermal component 200, a card slot 180 is arranged inside the fixed frame 170, the tempered glass 120, the solar cell 110, the EVA gel 130, the TPT insulating back plate 140, the heat conducting plate 210 and the insulation plate 220 are fixed in the card slot 180, a baffle 190 is arranged on the side of the fixed frame 170 away from the card slot 180, the insulation plate 230 is fixed between the insulation plate 220 and the baffle 190, and the baffle 190 is detachably connected to the fixed frame 170.

[0053] In this way, after the above structures are arranged in order, they are placed in a laminator. In a vacuum chamber and high temperature environment, the EVA film melts from a solid film to a liquid glue to generate adhesion. In a vacuum environment, several layers of components are completely bonded and laminated together, perfectly combining the photothermal component 200 and the photovoltaic component 100, achieving seamless lamination of the PVT photovoltaic thermal component without hidden cracks, realizing the dual utilization of solar energy and saving energy. The insulation board 230 prevents the heat loss inside the photothermal component 200 and improves the utilization rate of solar energy. The fixed frame 170 limits and fixes the position of the photovoltaic component 100 and the photothermal component 200 to ensure stability during use. The baffle 190 is detachable for easy replacement or maintenance at a later time.

[0054] The photovoltaic assembly 100 also includes a micro-inverter 150 and an energy storage box 160. The micro-inverter 150 is electrically connected to the solar cell 110, and the micro-inverter 150 is electrically connected to the household appliance. The output voltage of the photovoltaic assembly 100 cannot reach 220V. The micro-inverter 150 is also electrically connected to the energy storage box 160. A DC / DC boost converter and a DC / AC converter are arranged inside the micro-inverter 150. The DC / DC boost converter increases the voltage to 220V. After the DC boost, the DC power is converted into AC power through the DC / AC converter.

[0055] In this way, the solar cell 110 converts solar energy into electrical energy under the irradiation of sunlight, the micro inverter 150 increases the voltage of the solar cell 110 to 220V, and converts direct current into alternating current, which is connected to the household circuit for use by household appliances. The excess electricity is input into the energy storage box 160 for storage for backup. The energy storage box 160 can provide power for the circulation pump 330, reducing the power consumption of the power grid, which is beneficial to energy conservation and emission reduction and conforms to sustainable development.

[0056] Reference Figure 6-Figure 11 , this embodiment adds the following technical features (the structure of the heat circulation component 300 is specifically set as follows): the heat circulation component 300 includes a blower 320, a circulation pump 330, a fixed shell 360 and a heating structure, the heating structure and the blower 320 are arranged inside the fixed shell 360, the heating structure includes at least one heating tube 310, the heating tube 310 is a double-layer structure, a circulation channel 311 is arranged between the double layers of the heating tube 310, the heating tube 310 is provided with a second liquid inlet and a second liquid outlet, the second liquid inlet and the second liquid outlet are both connected to the circulation channel 311, and the first liquid outlet 280 is connected to the second liquid inlet through The connecting pipe 370 is connected, the second liquid outlet is connected to the first liquid inlet 270 through the connecting pipe 370, the circulating pump 330 is arranged on any one of the connecting pipes 370, an air duct is formed in the heating pipe 310, the air outlet of the blower 320 is fixedly connected to one end of the heating pipe 310, a heat-conducting medium is arranged in the serpentine flow channel 240 and the circulation channel 311, the blower 320 is electrically connected to the energy storage box 160, the circulating pump 330 is electrically connected to the energy storage box 160, and the circulating pump 330 is connected to the expansion tank 331. Preferably, the heat-conducting medium is an antifreeze liquid, the main component of which is ethylene glycol, and it has the characteristics of anti-corrosion, antifreeze and good thermal conductivity.

[0057] In this embodiment, a plurality of heating tubes 310 are provided, preferably, a plurality of heating tubes 310 are provided, and the first and second ends of the plurality of heating tubes 310 are respectively fixedly connected with a first main pipe 340, the main pipe is connected to an air outlet of the blower 320, the first main pipe 340 is connected with the air ducts of the plurality of heating tubes 310, connecting pieces 312 are provided between adjacent heating tubes 310, the connecting pieces are connected with the circulation channels 311 of adjacent heating tubes 310, the shape of the heating tube 310 is set to be serpentine, at least one heating net 313 is provided in the air duct of the heating tube 310, a plurality of heating holes 316 are provided on the heating net 313, the interior of the heating net 313 is hollow, the heating net 313 is connected with the circulation channel 311, and the heating holes 316 are not connected with the circulation channel 311.

[0058] The second liquid inlet of the heating tube 310 is set at the lower part of the heating tube 310, and the second liquid outlet is set at the top of the heating tube 310. When adding antifreeze, the antifreeze is injected into the first liquid inlet 270 of the full-channel plate core. After the antifreeze fills the serpentine channel in the full-channel plate core, it flows out at the first liquid outlet 280, and flows into the circulation channel 311 at the second liquid inlet of the heating tube 310 through the connecting tube 370. After the circulation channel 311 is filled, the antifreeze will flow out at the second liquid outlet. At this time, the circulation channel 311 and the serpentine channel are both filled with antifreeze. Then, the connecting tube 370 is used to connect the second liquid outlet and the first liquid inlet 270 to complete the filling of the antifreeze. The circulating pump 330 controls the reverse circulation of the antifreeze, and the antifreeze enters at the second liquid outlet and flows out at the second liquid inlet.

[0059] In this way, the solar thermal component 200 absorbs heat on the back of the photovoltaic component 100, the temperature of the medium in the serpentine channel increases, the energy storage box 160 provides power to the circulation pump 330 and the blower 320, the circulation pump 330 works, and drives the heat-conducting medium to circulate in the serpentine flow channel of the solar thermal component 200 and the circulation channel 311 in the heating tube 310, so that the temperature of the heating tube 310 increases, the heated antifreeze liquid is collected in the upper part of the circulation channel 311 of the heating tube 310, and the low-temperature antifreeze liquid flows out at the lower part of the heating tube 310, ensuring the circulation. The circulating antifreeze can cool the photovoltaic module 100, and the temperature in the heating tube 310 rises quickly, which improves the speed of indoor heating. The blower 320 works to draw the low-temperature air in the room and blow it into the heating tube 310. The heating tube 310 heats the low-temperature air and blows it out to realize the circulation of indoor air, which can quickly heat up the room and cool the medium in the circulation channel 311 at the same time. The cooled medium returns to the serpentine flow channel again to cool the photovoltaic module 100, thereby improving the power generation efficiency of the photovoltaic module 100.

[0060] Multiple heating tubes 310 can increase the speed of indoor temperature rise, and the serpentine heating tube 310 reduces the occupied space. After the air enters, it can stay in the heating tube 310 for a longer time, so that the air is fully heated, thereby improving the efficiency of indoor air heating. After the low-temperature air enters the heating tube 310, it passes through the heating network 313, and the heating network 313 further heats the air, so that the air is heated evenly and completely, thereby further improving the heating rate of the air; when the antifreeze in the circulation channel 311 and the serpentine flow channel is insufficient, the expansion tank 331 can add antifreeze to the inside to ensure the normal circulation of the antifreeze.

[0061] In this embodiment, a second main pipe 350 is provided at the air inlet of the blower 320, and the air inlet of the blower 320 is connected to the second main pipe 350. The second main pipe 350 is connected to a plurality of air inlet pipes 380. An adsorption layer 314 is provided in the air inlet pipe 380. The adsorption layer 314 is fixedly connected to the air inlet pipe 380. Activated carbon is provided in the adsorption layer 314. Electric heating wires are fixedly connected in the first main pipe 340 and the second main pipe 350.

[0062] The end of the air inlet pipe 380 extends to a side away from the blower 320, and the end of the heating pipe 310 extends in a direction away from the end of the air inlet pipe 380. The end of the air inlet pipe 380 is located at the bottom of the blower 320, and the end of the air inlet pipe 380 is directed downward or toward the side. The end of the heating pipe 310 is located at the top of the blower 320, and the end of the heating pipe 310 is directed upward or toward the side.

[0063] In this way, when the blower 320 is working, air can be sucked in at the air inlet. After the air passes through the adsorption layer 314, the adsorption layer 314 can adsorb pollutants in the air, such as formaldehyde, odor, etc., to achieve the effect of purifying the air. The heating tube 310 can also be heated by the electric heating wire for heating.

[0064] In this embodiment, the end of the air inlet pipe 380 and the end of the heating pipe 310 are arranged in opposite directions and at a long distance. Air with a lower temperature enters at the end of the air inlet pipe 380, and flows out at the end of the heating pipe 310 after being heated, which can promote the flow of air in the room. The air circulation can make the heated air quickly fill the entire room and quickly increase the indoor temperature.

[0065] In this way, the fixed frame 170 limits and fixes the positions of the photovoltaic component 100 and the solar thermal component 200 to ensure stability during use, and the baffle 190 is detachable for later replacement or maintenance.

[0066] In this embodiment, the fixed shell 360 is a rectangular structure, and a fixing part is provided on the outside of the fixed shell 360. Bolts are provided on the fixing part, which can fix the fixed shell 360 on a wall or the ground. The interior of the fixed shell 360 is hollow, and multiple vents 361 are provided on both sides of the fixed shell 360. A mounting plate 362, a support plate 363, a fixing ring 365 and a limiting plate 364 are provided in the fixed shell 360. The blower 320 is installed on the mounting plate 362, and the support plate 363 and the limiting plate 364 fix the position of the heating pipe 310. The two ends of the first main pipe 340 and the second main pipe 350 extend into the fixing ring 365. The fixed shell 360 is provided with multiple first openings and multiple second openings. The end of the air inlet pipe 380 is fixedly connected to the first opening, and the end of the heating pipe 310 is fixedly connected to the second opening. A filter 315 is provided at the first opening.

[0067] In this way, the fixed shell 360 can be fixed indoors by bolts, the mounting plate 362 in the fixed shell 360 fixes the blower 320, the support plate 363 is located at the lower part of the cross bar of the heating tube 310, and supports the heating tube 310. The limiting plate 364 is located at the arc bend of the heating tube 310, and limits the position of the heating tube 310. The fixing ring 365 fixes the position of the first main pipe 340 and the second main pipe 350, thereby reducing the probability of the heating tube 310 loosening during use. The filter 315 can prevent foreign matter in the air from entering the blower 320, thereby avoiding damage to the blower 320.

[0068] The implementation principle of this embodiment is:

[0069] After the photovoltaic assembly 100 and the photothermal assembly 200 are connected as a whole, the photovoltaic assembly 100 and the photothermal assembly 200 are placed outdoors and tilted to the south. The photovoltaic assembly 100 is directly exposed to sunlight, and the photothermal assembly 200 is at the bottom of the photovoltaic assembly 100. The thermal circulation assembly 300 is placed indoors. The sun irradiates the photovoltaic assembly 100, and the photovoltaic assembly 100 converts solar energy into electrical energy. The micro inverter 150 is connected to the photovoltaic assembly 100. The micro inverter 150 increases the voltage of the solar cell 110 to 220V and converts direct current into alternating current, which is connected to the household circuit for use by household appliances. Excess electricity is input into the energy storage box 160 for storage and standby. The energy storage box 160 can provide power for the circulation pump 330 and the blower 320, thereby reducing the power consumption of the power grid, being beneficial to energy conservation and emission reduction, and conforming to sustainable development.

[0070] The photovoltaic module 100 generates a large amount of heat while generating electricity. The solar thermal module 200 absorbs heat on the back of the photovoltaic module 100, and the temperature of the medium in the serpentine flow channel increases. The circulation pump 330 works to drive the medium to circulate in the serpentine flow channel of the solar thermal module 200 and the circulation channel 311 in the heating tube 310, so that the temperature of the heating tube 310 increases. The blower 320 works to draw low-temperature air in the room and blow it into the heating tube 310. The heating tube 310 heats the low-temperature air and blows it out to realize the circulation of indoor air, which can quickly heat up the room and cool down the medium in the circulation channel 311. The cooled medium returns to the serpentine flow channel again to cool down the photovoltaic module 100, thereby improving the power generation efficiency of the photovoltaic module 100 and maximizing the utilization of solar energy.

[0071] Multiple heating tubes 310 can increase the speed of indoor temperature rise, and the serpentine heating tube 310 reduces the occupied space. After the air enters, it can stay in the heating tube 310 for a longer time, so that the air is fully heated, thereby improving the efficiency of indoor air heating. After the low-temperature air enters the heating tube 310, it passes through the heating network 313, and the heating network 313 further heats the air, so that the air is heated evenly and completely, thereby further improving the heating rate of the air; when the antifreeze in the circulation channel 311 and the serpentine flow channel is insufficient, the expansion tank 331 can add antifreeze to the inside to ensure the normal circulation of the antifreeze.

[0072] When the blower 320 is working, air can be sucked in at the air inlet. After the air passes through the adsorption layer 314, the adsorption layer 314 can adsorb pollutants in the air, such as formaldehyde, odor, etc., to achieve the effect of purifying the air; the end of the air inlet pipe 380 and the end of the heating pipe 310 are arranged in opposite directions, and the distance is far. Air with a lower temperature enters at the end of the air inlet pipe 380, and flows out at the end of the heating pipe 310 after being heated, which can promote the flow of air in the room. The air circulation can make the heated air quickly fill the entire room and quickly increase the indoor temperature.

[0073] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A PVT photovoltaic water-based thermal cycle system, characterized in that: include: Photovoltaic modules are used to convert solar energy into electrical energy. Photovoltaic modules include solar cells; A photothermal assembly, used for utilizing the heat energy generated by the photovoltaic assembly and cooling the photovoltaic assembly, the photothermal assembly comprising a full-channel plate core, a serpentine flow channel being arranged in the full-channel plate core, at least one first liquid inlet and at least one first liquid outlet being arranged on the full-channel plate core, the first liquid inlet and the first liquid outlet being both connected to the serpentine flow channel, the photothermal assembly being arranged on the back of the photovoltaic assembly, and the photovoltaic assembly and the photothermal assembly being fixedly connected; A heat circulation component is used to circulate indoor air to quickly increase the indoor temperature. The heat circulation component includes a blower, a circulation pump and a heating structure. The heating structure includes at least one heating tube. The heating tube is a double-layer structure. A circulation channel is arranged between the double layers of the heating tube. The heating tube is provided with a second liquid inlet and a second liquid outlet. The second liquid inlet and the second liquid outlet are both connected to the circulation channel. The first liquid outlet is connected to the second liquid inlet through a connecting tube, and the second liquid outlet is connected to the first liquid inlet through a connecting tube. The circulation pump is arranged on any one of the connecting tubes. An air duct is formed in the heating tube. The air outlet of the blower is fixedly connected to one end of the heating tube. A heat-conducting medium is arranged in the serpentine flow channel and the circulation channel. The shape of the heating tube is set to be serpentine. A second main pipe is arranged at the air inlet of the blower. The air inlet of the blower is connected to the second main pipe. The second main pipe is connected to multiple air inlet pipes. The end of the air inlet pipe extends to the side away from the blower, and the end of the heating tube extends in a direction away from the end of the air inlet pipe. The second liquid inlet of the heating tube is arranged at the lower part of the heating tube, and the second liquid outlet is arranged at the top of the heating tube. At least one heating net is arranged in the air duct of the heating tube, and a plurality of heating holes are arranged on the heating net. The interior of the heating net is hollow, and the heating net is connected to the circulation channel, and the heating holes are not connected to the circulation channel.

2. The PVT photovoltaic water-based thermal cycle system according to claim 1, characterized in that: The full-flow channel plate core includes a heat conduction plate and a heat insulation plate, the heat conduction plate is fixedly connected to the heat insulation plate, a raised portion is provided on the heat insulation plate, the serpentine flow channel is provided in the raised portion, the serpentine flow channel is formed between the heat conduction plate and the heat insulation plate, and the heat conduction plate is fixedly connected to the back side of the photovoltaic module.

3. The PVT photovoltaic water-based thermal cycle system according to claim 1, characterized in that: After the photovoltaic module and the photothermal module are fixedly connected, the structures from top to bottom are tempered glass, solar cell sheets, EVA gel, TPT insulating backboard, heat conduction board, heat preservation board and heat insulation board, and the above structures are laminated into one piece.

4. The PVT photovoltaic water-based thermal cycle system according to claim 3, characterized in that: A fixed frame is arranged on the outside of the photovoltaic module and the photothermal module, a card slot is arranged inside the fixed frame, the tempered glass, solar cell sheet, EVA gel, TPT insulating back plate, heat conducting plate and thermal insulation plate are fixed in the card slot, a baffle is arranged on the side of the fixed frame away from the card slot, the thermal insulation plate is fixed between the thermal insulation plate and the baffle, and the baffle is detachably connected to the fixed frame.

5. The PVT photovoltaic water-based thermal cycle system according to claim 1, characterized in that: The heating tubes are arranged in plurality, and the first ends and the second ends of the plurality of heating tubes are respectively fixedly connected with a first main pipe, an electric heating wire is arranged in the first main pipe, the first main pipe is connected to the air outlet of the blower, the first main pipe is connected to the air ducts of the plurality of heating tubes, connecting pieces are arranged between adjacent heating tubes, and the connecting pieces connect the circulation channels in the adjacent heating tubes.

6. The PVT photovoltaic water-based thermal cycle system according to claim 1, characterized in that: An adsorption layer is arranged in the air inlet pipe, the adsorption layer is fixedly connected to the air inlet pipe, and activated carbon is arranged in the adsorption layer.

7. The PVT photovoltaic water-based thermal cycle system according to claim 1 is characterized in that The heat circulation component also includes a fixed shell, the interior of the fixed shell is hollow, and a plurality of vents are arranged on both sides of the fixed shell. A mounting plate, a support plate and a limit plate are arranged in the fixed shell. The blower is mounted on the mounting plate. The support plate and the limit plate fix the position of the heating tube. A plurality of first openings and a plurality of second openings are arranged on the fixed shell. The end of the air inlet pipe is fixedly connected to the first opening, and the end of the heating tube is fixedly connected to the second opening. A filter is arranged at the first opening.

8. The PVT photovoltaic water-based thermal cycle system according to any one of claims 1 to 7, characterized in that: The photovoltaic assembly also includes a micro-inverter and an energy storage box. The micro-inverter is electrically connected to the solar cell, the micro-inverter is electrically connected to the household appliance, and the micro-inverter is also electrically connected to the energy storage box. The energy storage box is electrically connected to the blower and the circulation pump respectively.

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