CN115325859A - A photovoltaic power generation thermal energy utilization mechanism - Google Patents

Abstract

The present application discloses a photovoltaic power generation thermal energy utilization mechanism, which comprises: a solar back plate, a solar photovoltaic panel, a main cooling plate, a heat exchange pipe, a liquid inlet pipe, a liquid outlet pipe, a groove, a flow channel, an auxiliary cooling plate, Water inlet pipe, transverse diaphragm, baffle plate, sealing plate, semiconductor power generation plate, guide pipe, vertical diaphragm, first water pump, second water pump, conveying pipe, first valve, second valve, collecting tank, connecting pipe, Return pipe, controller, return pump, outlet pipe, branch pipe, filter screen and heat pipe. The benefit of the present application lies in that it adopts the main radiating plate and the auxiliary radiating plate for the recovery and utilization of thermal energy during solar photovoltaic power generation. In the process of heat transfer medium transmission, it can be collected through the collection tank, and it can ensure that the medium is supplemented during the circulating flow of the medium, and the service life of the heat energy utilization mechanism can be improved.

Description

A photovoltaic power generation thermal energy utilization mechanism

technical field

The invention relates to a thermal energy utilization mechanism for photovoltaic power generation, in particular to a thermal energy utilization mechanism for photovoltaic power generation, and belongs to the technical field of photovoltaic power generation applications.

Background technique

Photovoltaic power generation refers to the process of converting solar energy into electrical energy through a photovoltaic power generation system. Usually, the system is mainly composed of solar photovoltaic modules, combiner boxes, inverters, transformers and power distribution equipment, plus monitoring systems, active and reactive power control systems, Auxiliary systems such as power prediction system, five-proof system and reactive power compensation device form a complete photovoltaic power generation system. Usually, the system is mainly composed of solar photovoltaic modules, combiner boxes, inverters, transformers and power distribution equipment. Auxiliary systems such as monitoring system, active and reactive power control system, power prediction system, five-proof system and reactive power compensation device form a complete photovoltaic power generation system. The following shows the structure of an independent photovoltaic power generation system, mainly including the sun automatic tracking system, single-chip controller, inverter, DC boost system, solar panels, chargers, batteries, etc. When the sunlight is strong, the solar cells directly Provide low-voltage DC to the DC boost circuit, and use the charger to store electrical energy in the battery; when the sunlight is weak, the solar battery is difficult to meet the power generation requirements, and the battery will provide low-voltage DC to the DC boost circuit. In this way, power generation can be guaranteed The system is stable and continuous. The booster circuit will upgrade the low-voltage direct current to a high-voltage direct current of 330V, convert it into a 50/220V alternating current through the function of the inverter, and then return it to the controller through the detection circuit, and use it to control the closed loop.

In the patent document "CN201410408554.5 Solar Photovoltaic and Thermal Energy Efficient Integrated Power Generation System", the photovoltaic power generation of solar panels and the reuse of thermal energy on the back of the panels generate electricity, so that the total power generation and power generation efficiency of the panels are improved, and at the same time It ensures that the temperature of the back plate of the battery board does not rise, prevents the power generation efficiency of the battery board from decreasing, and prolongs the life of the battery board, but the heat energy utilization efficiency is low, and it is difficult to realize the effective recovery and utilization of heat at high temperatures. At the same time, it is used as a medium supplement for heat absorption and transmission It is inconvenient and brings difficulties to follow-up maintenance work. At present, there is no photovoltaic power generation heat energy utilization mechanism with reasonable and reliable structure, high efficiency utilization of heat energy and supplementary function of heat exchange medium.

Contents of the invention

In order to solve the deficiencies in the prior art, this application adopts the main cooling plate and the auxiliary cooling plate to recycle the heat energy during solar photovoltaic power generation, by setting the main cooling plate at the bottom of the main solar backplane, and realizing the heat transmission medium through the heat exchange tube At the same time, the flow channel between the heat exchange tube and the main heat dissipation plate is used to realize the counterflow of the heat exchange medium, which can improve the heat exchange efficiency and ensure that the solar backplane and solar photovoltaic panel work at normal temperature, and at the same time can improve thermal energy utilization efficiency.

In order to solve the problems in the prior art: by arranging heat pipes around the solar photovoltaic panel, the heat can be fully absorbed to ensure the full absorption of heat energy, and at the same time, heat exchange can be realized in the auxiliary cooling plate, and at the same time, the semiconductor power generation plate can be used The realization of electrothermal conversion is conducive to improving the multifunctional utilization rate of thermal energy and improving the utilization effect.

Further, in order to solve the problems in the prior art: during the transmission of the heat transfer medium, it can be collected through the collection tank, and can ensure that the medium is replenished during the medium circulation process, which is conducive to the sufficient circulation of the heat exchange medium and reduces the later maintenance risk and increase the service life of the thermal energy utilization mechanism.

In order to solve the deficiencies in the prior art, the application provides a photovoltaic power generation thermal energy utilization mechanism, including: a solar backboard, a main heat dissipation plate, a heat dissipation pipe, an auxiliary heat dissipation plate and a collection tank; wherein, the top of the solar backboard A solar photovoltaic panel is fixedly installed, a main heat dissipation plate is fixedly installed on the bottom of the solar backboard, and heat exchange tubes are fitted inside the main heat dissipation plate, flow channels are formed between the heat exchange tubes, and the heat exchange tubes The two ends of the pipe are respectively fixedly connected with the liquid inlet pipe and the liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are respectively connected with the two ends of the heat pipe, and the heat pipe is located at the edge of the solar photovoltaic panel, and the heat pipe is connected with the solar photovoltaic The plate is fixedly connected, and the heat conduction pipe is respectively connected with the liquid inlet pipe and the liquid outlet pipe through an external circulating pump; the bottom of the main heat dissipation plate is fixedly installed with an auxiliary heat dissipation plate and a collection tank, and the auxiliary heat dissipation plate is connected with the water inlet pipe through the water inlet pipe. The flow channel of the main heat dissipation plate is connected, and the interior of the auxiliary heat dissipation plate is fixedly installed with a horizontal partition, a vertical partition and a baffle, and the top of the baffle is provided with a sealing plate, and a semiconductor As for the power generation board, a backflow pump is fixedly installed on the side wall of the auxiliary heat dissipation plate, and the backflow pump is fixedly connected to the water outlet pipe, and the water outlet pipe communicates with the flow channel inside the main heat dissipation plate.

Further, the bottom of the solar panel is provided with a main cooling plate with the same shape, and inside the main cooling plate are heat exchange tubes distributed in an S-shaped structure, the heat exchange tubes are fixedly installed inside the main cooling plate, and the main cooling plate A plurality of grooves are evenly formed on the bottom of the cooling plate, and each of the grooves is located under the heat exchange tubes so that the flow channels separated by the heat exchange tubes communicate with each other.

Further, the two ends of the main cooling plate are connected through the liquid inlet pipe and the liquid outlet pipe respectively, and the two ends of the liquid inlet pipe and the liquid outlet pipe are connected with the heat exchange pipe and the heat conduction pipe respectively.

Further, the two sides of the bottom of the main heat dissipation plate are respectively provided with auxiliary heat dissipation plates and collection grooves, the number of the collection grooves is two, and the two collection grooves are symmetrically distributed to both sides of the auxiliary heat dissipation plate, and the collection grooves The groove extends to the outside of the main heat dissipation plate, and a filter screen is fixedly installed on the top of the collection tank for filtering impurities, and the filter screen is located outside the bottom end of the main heat radiation plate.

Further, the inside of the auxiliary cooling plate is provided with vertically distributed horizontal partitions and vertical partitions, and several baffles are evenly distributed on one side of the horizontal partition, and the length of the baffles is shorter than the length of the auxiliary cooling plate. And the adjacent baffles are distributed alternately, the top of the auxiliary cooling plate is fixedly installed with a sealing plate, the sealing plate is fixedly connected with the top of the baffle, and the inside of the sealing plate is sealed and installed with a semiconductor power generation board, and the semiconductor power generation The inside of the board is provided with a semiconductor power generation chip.

Further, the middle part of the horizontal partition is fixedly connected with the guide pipe, the guide pipe is located on one side of the vertical partition, and the first water pump and the second water pump are respectively provided on one side of the vertical partition, and the first Both the water pump and the second water pump are fixedly connected to the delivery pipes, the delivery pipes are respectively fixedly connected to the first valve and the second valve, and both the delivery pipes are connected through the vertical partition.

Further, a second water pump is fixedly installed inside the auxiliary cooling plate, and the second water pump is fixedly connected to a connecting pipe, one end of the connecting pipe is connected through the auxiliary cooling plate, and the other end of the connecting pipe is connected through the collecting tank , the collection tanks are communicated through return pipes.

Further, a first water pump is fixedly installed inside the auxiliary cooling plate, and the first water pump is fixedly connected to a branch pipe, the branch pipe is connected through the auxiliary cooling plate, and the branch pipe communicates with the water outlet pipe.

Further, a controller is fixedly installed on the side wall of the auxiliary cooling plate, the controller is located under the solar backboard, and the controller is electrically connected to the first water pump, the second water pump, the return pump and the semiconductor power generation board respectively.

Further, the backflow pump communicates with the inside of the auxiliary heat sink, the connection between the backflow pump and the auxiliary heat sink is located between the baffle plate and the transverse partition, and a water inlet pipe is provided on the other side of the baffle plate.

The benefit of this application is that it provides a thermal energy utilization mechanism for photovoltaic power generation with a reasonable and reliable structure, high-efficiency utilization of heat energy and a supplementary function of heat exchange medium, which uses a main cooling plate and an auxiliary cooling plate for solar photovoltaic power generation The recovery of heat energy is achieved by setting the main cooling plate at the bottom of the main solar backplane, and realizing the circulation of the heat transfer medium through the heat exchange tube, and at the same time using the flow channel between the heat exchange tube and the main cooling plate to realize the heat exchange medium. The opposite circulation can improve the heat exchange efficiency, ensure that the solar backplane and the solar photovoltaic panel work at normal temperature, and at the same time improve the utilization efficiency of thermal energy. By setting the heat pipe around the solar photovoltaic panel, the heat can be fully absorbed. Ensuring the full absorption of heat energy, while realizing heat exchange in the auxiliary cooling plate, and using the semiconductor power generation board to realize electrothermal conversion, is conducive to improving the multifunctional utilization rate of heat energy and improving the utilization effect. In the process of heat transfer medium transmission, it can It is collected through the collection tank and can ensure that the medium is replenished during the medium circulation process, which is conducive to the full circulation of the heat exchange medium, reduces the risk of later maintenance, and improves the service life of the thermal energy utilization mechanism.

Description of drawings

The accompanying drawings, which constitute a part of this application, are included to provide a further understanding of the application and make other features, objects and advantages of the application apparent. The drawings and descriptions of the schematic embodiments of the application are used to explain the application, and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is a schematic structural diagram of a photovoltaic power generation thermal energy utilization mechanism according to an embodiment of the present application;

Fig. 2 is a schematic structural diagram of a first viewing angle in the embodiment shown in Fig. 1;

Fig. 3 is a schematic diagram of structure viewed from above in the embodiment shown in Fig. 2;

Fig. 4 is a schematic diagram of the internal top view structure of the main heat dissipation plate in the embodiment shown in Fig. 2;

Fig. 5 is a schematic diagram of the internal frontal view of the main heat dissipation plate in the embodiment shown in Fig. 2;

Fig. 6 is a side view structural schematic diagram of the embodiment shown in Fig. 2;

Fig. 7 is a schematic diagram of the three-dimensional structure at the collection tank in the embodiment shown in Fig. 2;

Fig. 8 is a schematic diagram of the internal three-dimensional structure at the auxiliary cooling plate in the embodiment shown in Fig. 2;

Fig. 9 is a schematic diagram of the three-dimensional structure at the auxiliary cooling plate in the embodiment shown in Fig. 2;

FIG. 10 is a schematic top view of the auxiliary cooling plate in the embodiment shown in FIG. 2 .

Meanings of reference signs in the figure:

1. Solar backplane, 2. Solar photovoltaic panel, 3. Main cooling plate, 4. Heat exchange tube, 5. Liquid inlet pipe, 6. Liquid outlet pipe, 7. Groove, 8. Runner, 9. Auxiliary heat dissipation Plate, 10, water inlet pipe, 11, transverse partition, 12, baffle plate, 13, sealing plate, 14, semiconductor power generation board, 15, diversion pipe, 16, vertical partition, 17, the first water pump, 18, the first Two water pumps, 19, delivery pipe, 20, first valve, 21, second valve, 22, collection tank, 23, connecting pipe, 24, return pipe, 25, controller, 26, return pump, 27, water outlet pipe, 28, branch pipe, 29, filter screen, 30, heat pipe.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for the embodiments of the application described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", The orientations or positional relationships indicated by "vertical", "horizontal", "horizontal", and "longitudinal" are based on the orientations or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

Moreover, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. Those skilled in the art can understand the specific meanings of these terms in this application according to specific situations.

Furthermore, the terms "installed", "disposed", "provided", "connected", "connected", "socketed" are to be interpreted broadly. For example, it may be a fixed connection, a detachable connection, or an integral structure; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary; internal connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIGS. 1 to 10 , the thermal energy utilization mechanism for photovoltaic power generation includes: a solar backplane 1 , a main heat dissipation plate 3 , a heat dissipation pipe, an auxiliary heat dissipation plate 9 and a collection tank 22 .

Referring to Figures 1 to 10, as a preferred solution, a solar photovoltaic panel 2 is fixedly installed on the top of the solar backplane 1, and the solar photovoltaic panel 2 performs photoelectric conversion, so that the solar photovoltaic panel 2 and the solar backplane 1 are heated up. The heat of the solar backplane 1 is absorbed through the main heat dissipation plate 3, and the heat at the solar photovoltaic panel 2 is absorbed and conducted through the medium circulating in the heat pipe 30, which is conducive to improving the utilization rate of heat energy. The solar backplane The bottom of the plate 1 is fixedly installed with the main heat dissipation plate 3, and the inside of the main heat dissipation plate 3 is fitted with a heat exchange tube 4, and a flow channel 8 is formed between the heat exchange tubes 4, and the two ends of the heat exchange tube 4 are respectively It is fixedly connected with the liquid inlet pipe 5 and the liquid outlet pipe 6, and the liquid inlet pipe 5 and the liquid outlet pipe 6 communicate with the two ends of the heat conduction pipe 30 respectively, and the heat conduction pipe 30 is located at the edge of the solar photovoltaic panel 2, and the heat conduction pipe 30 is fixedly connected with the solar photovoltaic panel 2, and the heat pipe 30 communicates with the liquid inlet pipe 5 and the liquid outlet pipe 6 respectively through an external circulating pump, and the flow channel 8 formed by the heat exchange pipe 4 in the main cooling plate 3 is used for cooling The water source is transported, and the heat is fully absorbed through the counterflow with the medium in the heat exchange tube 4, and the heat is transferred through the heat exchange tube 4 after absorbing heat to realize utilization. problem, which is conducive to improving the utilization rate of thermal energy.

Referring to Figures 1 to 10, as a specific solution, the bottom of the main heat dissipation plate 3 is fixedly installed with an auxiliary heat dissipation plate 9 and a collection tank 22, and the auxiliary heat dissipation plate 9 passes through the water inlet pipe 10 and the flow channel 8 of the main heat dissipation plate 3 Connected, the inside of the auxiliary cooling plate 9 is respectively fixed with a horizontal partition 11, a vertical partition 16 and a baffle 12, the top of the baffle 12 is provided with a sealing plate 13, and the middle part of the sealing plate 13 is fitted with a The semiconductor power generation board 14, the side wall of the auxiliary cooling plate 9 is fixedly equipped with a backflow pump 26, the backflow pump 26 is fixedly connected to the water outlet pipe 27, and the water outlet pipe 27 communicates with the flow channel 8 inside the main heat dissipation plate 3, The auxiliary cooling plate 9 is used for further heat exchange treatment of the cooling water source that absorbs heat. After the cooling water source in the main cooling plate 3 is heated, it enters the auxiliary cooling plate 9 through the water inlet pipe 10 . Realize the circulation of the cooling water source, and increase the heat exchange area, install the sealing plate 13 above the baffle plate 12, make the sealing plate 13 fix the semiconductor power generation board 14, make it receive heat and perform electrothermal conversion, which is conducive to the full utilization of heat , and arranging the horizontal partition 11 and the vertical partition 16 in the auxiliary cooling plate 9 can realize the replenishment of the cooling water source, which is convenient to replenish water after the cooling water source is consumed, and can ensure the sufficient circulation of the cooling water source.

Referring to Fig. 1 to Fig. 6, as a specific solution, the bottom of the solar panel is provided with a main cooling plate 3 with the same shape, and inside the main cooling plate 3 there are heat exchange tubes 4 distributed in an S-shaped structure, and the heat exchange tubes 4 and the inside of the main heat dissipation plate 3 are fixedly installed, and the bottom of the main heat dissipation plate 3 is uniformly provided with several grooves 7, and each of the grooves 7 is located under the heat exchange tube 4 so that the flow separated by the heat exchange tube 4 The channels 8 communicate with each other, and the heat exchange tubes 4 are used to realize medium circulation in the main heat dissipation plate 3. Grooves 7 are provided at intervals on the side to make each flow channel 8 communicate with each other, so that the flow direction of the medium in the heat exchange tube 4 is always opposite to the flow direction of the cooling water source in the flow channel 8, thereby improving the heat exchange efficiency.

Referring to Fig. 1 to Fig. 5, such a scheme is adopted, the two ends of the main cooling plate 3 are connected through the liquid inlet pipe 5 and the liquid outlet pipe 6 respectively, and the two ends of the liquid inlet pipe 5 and the liquid outlet pipe 6 are respectively connected to the The heat exchange tube 4 communicates with the heat conduction tube 30, and the liquid inlet pipe 5 and the liquid outlet pipe 6 are used to connect the heat exchange tube 4 and the heat conduction tube 30 to realize the circulation of the medium in the heat exchange tube 4 and the heat conduction tube 30, and the heat conduction tube 30 The external circulation pump realizes the circulation of the medium, and after absorbing the heat in the heat transfer tube 30, the heat energy generated by the photovoltaic power generation is transferred to the heat transfer tube 30 when the medium with a lower temperature enters the heat transfer tube 4, so as to realize the control of the temperature at 2 places of the solar photovoltaic panel. reduce.

Referring to Fig. 1 to Fig. 3 and Fig. 5 to Fig. 10, as a specific scheme, the two sides of the bottom of the main heat dissipation plate 3 are respectively provided with auxiliary heat dissipation plates 9 and collecting grooves 22, and the number of the collecting grooves 22 is two, two The collection grooves 22 are symmetrically distributed to both sides of the auxiliary heat dissipation plate 9, and the collection grooves 22 extend to the outside of the main heat dissipation plate 3, and a filter screen 29 is fixedly installed on the top of the collection grooves 22 for filtering impurities. The filter screen 29 is located outside the bottom of the main cooling plate 3, and the collection tank 22 is used to collect rainwater on both sides of the solar photovoltaic panel 2, and the water source is stored after the impurities are filtered through the filter screen 29, in the flow channel 8 and the outlet pipe 27 When the water source is consumed, the cooling water source can be replenished by starting the second water pump 18 and the second valve 21. At the same time, the collection tank 22 can absorb the heat of the solar backplane 1, which is beneficial to the normal temperature state of each component during photovoltaic power generation. , which is conducive to improving the service life of photovoltaic power generation equipment.

Referring to Fig. 3 and Fig. 8 to Fig. 10, as an extension scheme, the interior of the auxiliary cooling plate 9 is provided with vertically distributed horizontal partitions 11 and vertical partitions 16, and several baffles are evenly distributed on one side of the horizontal partition 11. plate 12, the length of the baffle plate 12 is less than the length of the auxiliary heat dissipation plate 9, and the adjacent baffle plates 12 are alternately distributed, the top of the auxiliary heat dissipation plate 9 is fixedly equipped with a sealing plate 13, and the sealing plate 13 and The top of the baffle plate 12 is fixedly connected, the inside of the sealing plate 13 is sealed and installed with a semiconductor power generation board 14, and the inside of the semiconductor power generation board 14 is provided with a semiconductor power generation chip, which can realize electrothermal conversion and realize the conversion of heat energy absorbed by the cooling water source , which is conducive to improving the utilization rate of thermal energy.

Referring to Fig. 3, such a scheme is adopted, the middle part of the transverse partition 11 is fixedly connected with the guide pipe 15, the guide pipe 15 is located on one side of the vertical partition 16, and the side of the vertical partition 16 is respectively provided with a second A water pump 17 and a second water pump 18, the first water pump 17 and the second water pump 18 are fixedly connected with the delivery pipe 19, and the delivery pipe 19 is fixedly connected with the first valve 20 and the second valve 21 respectively, and the two The delivery pipes 19 are all connected through the vertical partitions 16 .

Referring to FIG. 3 , such a solution is adopted, the second water pump 18 is fixedly installed inside the auxiliary cooling plate 9 , the second water pump 18 is fixedly connected to the connecting pipe 23 , and one end of the connecting pipe 23 is connected through the auxiliary cooling plate 9 The other end of the connecting pipe 23 is connected through the collecting tank 22, and the collecting tank 22 is connected through the return pipe 24. The second water pump 18 is used to transport the water source in the collecting tank 22 to the auxiliary cooling plate 9 to realize cooling. Don't worry about the water source.

Referring to Fig. 3, such a solution is adopted, the first water pump 17 is fixedly installed inside the auxiliary cooling plate 9, the first water pump 17 is fixedly connected to the branch pipe 28, and the branch pipe 28 is connected through the auxiliary cooling plate 9, and the The branch pipe 28 communicates with the water outlet pipe 27. When the pressure of the water flow in the water outlet pipe 27 decreases, the water source can be pressurized and delivered to the water outlet pipe 27 by the operation of the first water pump 17, so that the stable transmission of the cooling water source can be realized.

Referring to Figures 1 to 3 and Figures 5 to 6, as an extension, a controller 25 is fixedly installed on the side wall of the auxiliary cooling plate 9, and the controller 25 is located below the solar back panel 1, and the controllers 25 are respectively It is electrically connected with the first water pump 17, the second water pump 18, the return pump 26 and the semiconductor power generation board 14. The controller 25 is used to control the work of the first water pump 17 and the second water pump 18. When in use, it can pass through the first valve 20 and the closing of the second valve 21 enable the water source to circulate through the outlet pipe 27.

Referring to Figures 2 to 3 and Figures 5 to 6, such a solution is adopted, the return pump 26 communicates with the auxiliary heat sink 9, and the connection between the return pump 26 and the auxiliary heat sink 9 is located between the baffle plate 12 and the transverse partition Between the plates 11, the other side of the baffle plate 12 is provided with a water inlet pipe 10, and a return pump 26 is used for the circulation of the cooling water source in the water outlet pipe 27, the main cooling plate 3 and the auxiliary cooling plate 9, so as to realize the absorption and transfer of heat. It is beneficial to the utilization of heat during photovoltaic power generation.

In the technical scheme of the present application, the entire photovoltaic power generation thermal energy utilization mechanism adopts the main cooling plate 3 and the auxiliary cooling plate 9 to recycle thermal energy during solar photovoltaic power generation. The heat is absorbed through the heat pipe 30, and the medium is transmitted through the heat pipe 30 of the external circulation pump. After the medium absorbs the heat, it is transported to the main heat dissipation plate 3 through the liquid inlet pipe 5, and is arranged in the main heat dissipation plate 3 in an S-shaped structure. , and discharge through the liquid outlet pipe 6 to achieve circulation. At the same time, the work of the return pump 26 transports the cooling water from the outlet pipe 27 to the flow channel 8 inside the main cooling plate 3, and the flow channel 8 formed by the heat exchange tube 4 is formed by A plurality of grooves 7 are communicated so that the cooling water circulates in the flow channel 8 and then is discharged from the water inlet pipe 10 and enters the interior of the auxiliary cooling plate 9. A plurality of baffles 12 are arranged at intervals to realize the water source transportation for absorbing heat energy, and through The return pump 26 realizes the circulation of cooling water. At this time, the semiconductor power generation board 14 on the auxiliary cooling plate 9 receives heat to realize thermoelectric conversion to improve the installation of the semiconductor power generation board 14 through the sealing plate 13, so that the semiconductor power generation board 14 can be fully contacted. The water source that absorbs heat in the auxiliary cooling plate 9.

The cooling water source after passing through the auxiliary cooling plate 9 and carrying out heat transfer is re-transported to the main cooling plate 3 through the return pipe 24 to realize the circulation of the cooling water source. After the recovery treatment, the recycling process is realized, so that the thermal energy generated by the photovoltaic panel can realize the absorption of heat energy and the realization of electrothermal conversion, which is conducive to improving the utilization efficiency. By starting the second water pump 18 and opening the second valve 21, the second water pump 18 will transfer the water source in the collection tank 22 to the gap between the horizontal partition 11 and the vertical partition 16 through the connecting pipe 23 to supplement the water source, and the main cooling plate 3 and when the delivery pressure of the cooling water source in the auxiliary cooling plate 9 decreases, the cooling water between the horizontal partition 11 and the vertical partition 16 can be sent to the outlet through the branch pipe 28 by operating the first water pump 17 and opening the first valve 20. The pressurized transportation in the water pipe 27 is beneficial to the efficient circulation of the cooling water source and improves the utilization efficiency of heat energy.

The above are only specific embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (10)

1. The utility model provides a photovoltaic power generation heat energy utilizes mechanism which characterized in that:

the photovoltaic power generation heat energy utilization mechanism comprises: the solar energy heat dissipation device comprises a solar energy backboard (1), a main heat dissipation plate (3), a heat dissipation pipe, an auxiliary heat dissipation plate (9) and a collecting tank (22);

the solar photovoltaic heat-exchange plate comprises a solar backboard (1), a solar photovoltaic plate (2) and a main heat-radiating plate (3), wherein the solar photovoltaic plate (2) is fixedly mounted at the top of the solar backboard (1), the main heat-radiating plate (3) is fixedly mounted at the bottom of the solar backboard (1), heat-exchange tubes (4) are embedded in the main heat-radiating plate (3), a flow channel (8) is formed between the heat-exchange tubes (4), two ends of each heat-exchange tube (4) are respectively and fixedly connected with a liquid inlet tube (5) and a liquid outlet tube (6), the liquid inlet tube (5) and the liquid outlet tube (6) are respectively communicated with two ends of a heat-conducting tube (30), the heat-conducting tube (30) is positioned at the edge of the solar photovoltaic plate (2), the heat-conducting tube (30) is fixedly connected with the solar photovoltaic plate (2), and the heat-conducting tube (30) is respectively communicated with the liquid inlet tube (5) and the liquid outlet tube (6) through an external circulating pump;

main heat dissipation board (3) bottom is fixed mounting respectively has assistance heating panel (9) and collecting vat (22), assist heating panel (9) through inlet tube (10) and runner (8) the intercommunication of main heat dissipation board (3), assist inside respectively fixed mounting of heating panel (9) have cross slab (11), erect baffle (16) and baffle (12), baffle (12) top is equipped with shrouding (13), just semiconductor power generation board (14) are installed to shrouding (13) middle part gomphosis, assist heating panel (9) lateral wall fixed mounting have backwash pump (26), backwash pump (26) and outlet pipe (27) fixed connection, just outlet pipe (27) and inside runner (8) the intercommunication of main heat dissipation board (3).

2. The photovoltaic thermal energy utilization mechanism according to claim 1, wherein: the solar panel bottom is equipped with main heat dissipation board (3) that the shape is the same, there are heat exchange tube (4) that the S-shaped structure distributes inside heat dissipation board (3) respectively, heat exchange tube (4) and the inside fixed mounting of main heat dissipation board (3), a plurality of recess (7) have evenly been seted up to main heat dissipation board (3) bottom, every circulation each other between runner (8) that recess (7) all are located heat exchange tube (4) below so that heat exchange tube (4) separate.

3. The photovoltaic power generation heat energy utilization mechanism according to claim 1, characterized in that: the heat exchanger is characterized in that two ends of the main heat dissipation plate (3) are respectively in through connection with the liquid inlet pipe (5) and the liquid outlet pipe (6), and two ends of the liquid inlet pipe (5) and the liquid outlet pipe (6) are respectively communicated with the heat exchange pipe (4) and the heat conduction pipe (30).

4. The photovoltaic thermal energy utilization mechanism according to claim 1, wherein: main heat dissipation board (3) bottom both sides are equipped with respectively and assist heating panel (9) and collecting vat (22), the quantity of collecting vat (22) is two, two collecting vat (22) symmetric distribution is to assisting heating panel (9) both sides, just collecting vat (22) extend to the main heat dissipation board (3) outside, collecting vat (22) top fixed mounting has filter screen (29) in order to be used for impurity filtering, filter screen (29) are located the main heat dissipation board (3) bottom outside.

5. The photovoltaic thermal energy utilization mechanism according to claim 1, wherein: auxiliary heating panel (9) inside transverse partition board (11) and the vertical partition board (16) that are equipped with the vertical distribution, transverse partition board (11) one side evenly distributed has a plurality of baffle (12), the length of baffle (12) is less than the length of auxiliary heating panel (9), and is adjacent baffle (12) crisscross distribution each other, auxiliary heating panel (9) top fixed mounting has shrouding (13), shrouding (13) and baffle (12) top fixed connection, semiconductor power generation board (14) are installed to shrouding (13) inside seal, semiconductor power generation piece is equipped with to semiconductor power generation board (14) inside.

6. The photovoltaic thermal energy utilization mechanism according to claim 5, wherein: transverse partition board (11) middle part and honeycomb duct (15) fixed connection, honeycomb duct (15) are located erects baffle (16) one side, erect baffle (16) one side and be equipped with first water pump (17) and second water pump (18) respectively, first water pump (17) and second water pump (18) all with conveyer pipe (19) fixed connection, conveyer pipe (19) respectively with first valve (20) and second valve (21) fixed connection, and two conveyer pipe (19) all with erect baffle (16) through connection.

7. The photovoltaic power generation heat energy utilization mechanism according to claim 1, characterized in that: the inside fixed mounting of supplementary heating panel (9) has second water pump (18), second water pump (18) and connecting pipe (23) fixed connection, connecting pipe (23) one end and supplementary heating panel (9) through connection, connecting pipe (23) other end and collecting vat (22) through connection, communicate through back flow (24) between collecting vat (22).

8. The photovoltaic thermal energy utilization mechanism according to claim 1, wherein: the auxiliary heat dissipation plate (9) is internally and fixedly provided with a first water pump (17), the first water pump (17) is fixedly connected with a branch pipe (28), the branch pipe (28) is in through connection with the auxiliary heat dissipation plate (9), and the branch pipe (28) is communicated with a water outlet pipe (27).

9. The photovoltaic thermal energy utilization mechanism according to claim 1, wherein: auxiliary heat dissipation board (9) lateral wall fixed mounting has controller (25), controller (25) are located solar energy backplate (1) below, controller (25) respectively with first water pump (17), second water pump (18), backwash pump (26) and semiconductor power generation board (14) electric connection.

10. The photovoltaic thermal energy utilization mechanism according to claim 1, wherein: reflux pump (26) and supplementary heating panel (9) inside intercommunication, reflux pump (26) and supplementary heating panel (9) junction are located between baffle (12) and cross slab (11), baffle (12) opposite side is equipped with inlet tube (10).

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