CN218915463U - Photovoltaic module waste heat recovery system - Google Patents
Photovoltaic module waste heat recovery system Download PDFInfo
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- CN218915463U CN218915463U CN202223138319.XU CN202223138319U CN218915463U CN 218915463 U CN218915463 U CN 218915463U CN 202223138319 U CN202223138319 U CN 202223138319U CN 218915463 U CN218915463 U CN 218915463U
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- exchange medium
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Abstract
The utility model discloses a photovoltaic module waste heat recovery system, which comprises a photovoltaic module, a first pipeline for circulating a first heat exchange medium, and a second pipeline, wherein the first pipeline is fixed with the back surface of the photovoltaic module to acquire heat collected by the photovoltaic module; one end of the first pipeline is connected with a first heat exchange medium output end of the heat pump host, and the other end of the first pipeline is connected with a first heat exchange medium input end of the heat pump host; the energy storage box body is internally provided with a second heat exchange medium; one end of the second pipeline is connected with the second heat exchange medium output end of the heat pump host, and the other end of the second pipeline is connected with the energy storage box body; and one end of the third pipeline is connected with the second heat exchange medium input end of the heat pump host, and the other end of the third pipeline is connected with the energy storage box body. The utility model converts and stores the waste heat on the photovoltaic module, so that the photovoltaic power generation not only realizes power generation, but also plays a role in heat energy conversion.
Description
Technical Field
The utility model relates to the technical field of heat recovery, in particular to a photovoltaic module waste heat recovery system.
Background
Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. Mainly comprises three parts of a photovoltaic power generation plate, a controller and an inverter. For the photovoltaic power generation panel, the photovoltaic power generation panel is usually fixed on a roof or the ground through a support frame, and the support frame is arranged on the bottom surface of the photovoltaic power generation panel to form a photovoltaic power generation assembly.
In general, a photovoltaic power generation area is often composed of a plurality of photovoltaic power generation modules, and the area of each photovoltaic power generation module is 2.2 square meters, so that the area occupied by the photovoltaic power generation area is large.
According to statistics, the power generation efficiency of the photovoltaic module is about 20%, a large amount of heat is concentrated on the photovoltaic power generation plate when sunlight irradiates the photovoltaic power generation plate, the heat is not utilized, the occupied area of the photovoltaic power generation area is large, and the heat concentrated on the photovoltaic power generation plate in the prior art is usually emitted to the atmosphere in a natural emission mode, so that resource waste is formed. It follows that how to use the heat accumulated on the photovoltaic panel is a current problem.
Disclosure of Invention
The utility model provides a waste heat recovery system of a photovoltaic module, which converts and stores waste heat on the photovoltaic module, so that photovoltaic power generation not only realizes power generation, but also plays a role in heat energy conversion.
The technical scheme for achieving the purpose is as follows:
photovoltaic module waste heat recovery system, including photovoltaic module, still include:
the first pipeline is used for circulating a first heat exchange medium, and is fixed on the back surface of the photovoltaic module to acquire heat collected by the photovoltaic module;
one end of the first pipeline is connected with a first heat exchange medium output end of the heat pump host, and the other end of the first pipeline is connected with a first heat exchange medium input end of the heat pump host;
the energy storage box body is internally provided with a second heat exchange medium;
one end of the second pipeline is connected with the second heat exchange medium output end of the heat pump host, and the other end of the second pipeline is connected with the energy storage box body;
and one end of the third pipeline is connected with the second heat exchange medium input end of the heat pump host, and the other end of the third pipeline is connected with the energy storage box body.
Further, the system also comprises a photovoltaic grid-connected cabinet for providing working power for the heat pump host, wherein the input end of the photovoltaic grid-connected cabinet is electrically connected with the photovoltaic module, and the output end of the photovoltaic grid-connected cabinet is electrically connected with the heat pump host.
Further, the first pipe includes:
the coil is fixed on the back of the photovoltaic module;
one end of the first conveying pipe is connected with one end of the coil pipe, and the other end of the first conveying pipe is connected with a first heat exchange medium output end of the heat pump host;
and one end of the second conveying pipe is connected with one end of the coil pipe, and the other end of the second conveying pipe is connected with the first heat exchange medium input end of the heat pump host.
Further, be equipped with on the first pipeline and supply power for the flow of first heat transfer medium first conveying component, first conveying component includes:
the heat pump comprises a first butterfly valve, a first filter, a first pump, a first check valve and a second butterfly valve, wherein one end of the first butterfly valve is connected with a first pipeline, the other end of the first butterfly valve is connected with one end of the first filter, the other end of the first filter is connected with one end of the first pump, the other end of the first pump is connected with one end of the first check valve, the other end of the first check valve is connected with one end of the second butterfly valve, and the other end of the second butterfly valve is connected with a first heat exchange medium input end of a heat pump host.
Further, a second delivery assembly is provided on the third conduit for powering the flow of the second heat exchange medium, the second delivery assembly comprising:
the device comprises a third butterfly valve, a second filter, a second pump, a second check valve and a fourth butterfly valve, wherein one end of the third butterfly valve is connected with an energy storage box body, the other end of the third butterfly valve is connected with one end of the second filter, the other end of the second filter is connected with one end of the second pump, the other end of the second pump is connected with one end of the second check valve, the other end of the second check valve is connected with one end of the fourth butterfly valve, and the other end of the fourth butterfly valve is connected with a second heat exchange medium input end of a heat pump host.
By adopting the scheme, the heat on the photovoltaic module is obtained through the first pipeline and the first heat exchange medium, the heat of the first heat exchange medium is further lifted by the heat pump host and then released to exchange heat with the second heat exchange medium, the first heat exchange medium circulates back and forth between the first pipeline and the heat pump host, and the first heat exchange medium circulates back and forth between the energy storage box body and the heat pump host, so that the temperature of the second heat exchange medium is lifted, and waste heat on the photovoltaic module is stored by the second heat exchange medium in the energy storage box body through the conversion. Therefore, the utility model realizes the recovery and storage of the waste heat on the photovoltaic module.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic module waste heat recovery system.
Fig. 2 is a front view of the photovoltaic module after it is connected to the first conduit.
Fig. 3 is a rear view of the photovoltaic module after it is connected to the first conduit.
Fig. 4 is an enlarged view of the first conveyor assembly of fig. 1.
Fig. 5 is an enlarged view of the second conveyor assembly of fig. 1.
The reference symbols in the drawings: the photovoltaic module 1, the first pipeline 2, the coil pipe 2a, the first conveying pipe 2B, the second conveying pipe 2C, the heat pump host 3, the energy storage box 4, the second pipeline 5, the third pipeline 6, the photovoltaic grid-connected cabinet 7, the first butterfly valve 8, the first filter 9, the first pump 10, the first check valve 11, the second butterfly valve 12, the third butterfly valve 13, the second filter 14, the second pump 15, the second check valve 16, the fourth butterfly valve 17, the air conditioner 18, the fourth pipeline 19, the first conveying component A, the second conveying component B and the third conveying component C.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, the waste heat recovery system for a photovoltaic module of the present utility model includes a photovoltaic module 1, a first pipeline 2, a heat pump host 3, an energy storage tank 4, a second pipeline 5, and a third pipeline 6, and the following details are given for each part and the relationship between each part:
as shown in fig. 1, a first heat exchange medium is disposed in the first pipe 2, the first pipe 2 provides guidance for circulation of the first heat exchange medium, and the first heat exchange medium may be water or freon. The back of first pipeline 2 is fixed with photovoltaic module 1 is in order to obtain the heat that photovoltaic module 1 collected, and waste heat on the photovoltaic module 1 is mainly obtained through the effect of heat transfer to first pipeline 2, and simultaneously, photovoltaic module 1 does not provide heat with first pipeline 2 through the form of heat radiation with the position of first pipeline 2 laminating.
As shown in fig. 1 to 3, in order to make the first pipe 2 obtain more heat on the photovoltaic module 1, in this embodiment, at least a portion of the first pipe 2 has a flat structure, and the flat structure and the photovoltaic module 1 have a large bonding area, so that the larger the bonding area is, the larger the heating surface of the first pipe 2 is, and thus the more heat is obtained. In addition, the first pipeline 2 and the first heat exchange medium form a heat dissipation effect on the photovoltaic module 1, so that the power generation efficiency of the photovoltaic module 1 is further improved.
As shown in fig. 1 to 3, one end of a first pipeline 2 is connected with a first heat exchange medium output end of a heat pump host 3, and the other end of the first pipeline 2 is connected with a first heat exchange medium input end of the heat pump host 3; in order to make the first duct 2 obtain more heat on the photovoltaic module 1, the first duct 2 has, in addition to the above-described at least a part of being provided in a flat structure, the following structure in the present embodiment:
as shown in fig. 1 to 3, the first pipe 2 includes a coil pipe 2a, a first conveying pipe 2b, and a second conveying pipe 2c, where the coil pipe 2a is fixed on the back surface of the photovoltaic module 1, in this embodiment, the coil pipe 2a is preferably configured in a flat structure, one end of the first conveying pipe 2b is connected with one end of the coil pipe 2a, and the other end of the first conveying pipe 2b is connected with a first heat exchange medium output end of the heat pump host 3; one end of the second conveying pipe 2c is connected with one end of the coil pipe 2a, and the other end of the second conveying pipe 2c is connected with the first heat exchange medium input end of the heat pump host 3. As can be seen from the above construction, the first heat exchange medium can circulate between the first conduit 2 and the heat pump main unit 3.
As shown in fig. 1 and fig. 4, the first pipeline 2 is provided with a first conveying component a for providing power for the flow of the first heat exchange medium, in this embodiment, the first conveying component a preferably includes a first butterfly valve 8, a first filter 9, a first pump 10, a first check valve 11 and a second butterfly valve 12, one end of the first butterfly valve 8 is connected with the first pipeline 2, the other end of the first butterfly valve 8 is connected with one end of the first filter 9, the other end of the first filter 9 is connected with one end of the first pump 10, the other end of the first pump 10 is connected with one end of the first check valve 11, the other end of the first check valve 11 is connected with one end of the second butterfly valve 12, and the other end of the second butterfly valve 12 is connected with the first heat exchange medium input end of the heat pump host 3.
As shown in fig. 1 and 4, the first delivery assembly a not only provides power for the flow of the second heat exchange medium, but also protects the heat pump host 3 through the first butterfly valve 8, the first filter 9, the first check valve 11, and the second butterfly valve 12.
As shown in fig. 1, the energy storage box 4 is internally provided with a second heat exchange medium, one end of the second pipeline 5 is connected with the output end of the second heat exchange medium of the heat pump host 3, and the other end of the second pipeline 5 is connected with the energy storage box 4. The second heat exchange medium is a fluid medium, which may be water, or oil or gas, etc. In this embodiment, the second heat exchange medium preferably uses water.
As shown in fig. 1, the heat on the photovoltaic module 1 is obtained through the first pipeline 2 and the first heat exchange medium, the heat of the first heat exchange medium is released after being further lifted by the heat pump host 3, and is subjected to heat exchange with the second heat exchange medium, the first heat exchange medium circulates back and forth between the first pipeline 2 and the heat pump host 3, and the first heat exchange medium circulates back and forth between the energy storage box 4 and the heat pump host 3, so that the temperature of the second heat exchange medium is lifted, and therefore, the waste heat on the photovoltaic module 1 is stored by the second heat exchange medium in the energy storage box 4 through the conversion. Therefore, the utility model realizes the recovery and storage of the waste heat on the photovoltaic module 1.
As shown in fig. 1 and 5, one end of the third pipeline 6 is connected with the second heat exchange medium input end of the heat pump host 3, and the other end of the third pipeline 6 is connected with the energy storage box 4. The third pipeline 6 is provided with a second conveying component B for providing power for the flow of a second heat exchange medium, the second conveying component B comprises a third butterfly valve 13, a second filter 14, a second pump 15, a second check valve 16 and a fourth butterfly valve 17, one end of the third butterfly valve 13 is connected with the energy storage box 4, the other end of the third butterfly valve 13 is connected with one end of the second filter 14, the other end of the second filter 14 is connected with one end of the second pump 15, the other end of the second pump 15 is connected with one end of the second check valve 16, the other end of the second check valve 16 is connected with one end of the fourth butterfly valve 17, and the other end of the fourth butterfly valve 17 is connected with the second heat exchange medium input end of the heat pump host 3.
As shown in fig. 1 and 5, the second delivery assembly B not only provides power for the flow of the second heat exchange medium, but also protects the heat pump host 3 through the third butterfly valve 13, the second filter 14, the second check valve 16, and the fourth butterfly valve 17.
As shown in fig. 1, the utility model further comprises a photovoltaic grid-connected cabinet 7 for providing working power to the heat pump host 3, wherein the input end of the photovoltaic grid-connected cabinet 7 is electrically connected with the photovoltaic module 1, and the output end of the photovoltaic grid-connected cabinet 7 is electrically connected with the heat pump host 3.
As shown in fig. 1, the direct current generated by the photovoltaic module 1 is converted into alternating current by the photovoltaic grid-connected cabinet 7, the alternating current can be provided for users, for example, the photovoltaic module is installed on a roof, the generated alternating current is directly provided for indoor lighting fixtures, household appliances and the like, meanwhile, the redundant alternating current can be distributed to a grid to form benefits, and the application is common in the prior art.
In addition, as shown in fig. 1, since the heat pump host 3 for use in the present utility model needs to supply power during operation, after the output end of the photovoltaic grid-connected cabinet 7 is electrically connected to the heat pump host 3, the photovoltaic grid-connected cabinet 7 provides the heat pump host 3 with power required for operation. In addition, the first pump 10 and the second pump 15 also need to use electricity when working, and preferably, the output end of the photovoltaic grid-connected cabinet 7 is also electrically connected with the first pump 10 and the second pump 15, so that the heat recovery system of the utility model realizes that the electricity sent out by the photovoltaic module 1 is applied to the system, and has the advantage of reducing the use cost of users.
As shown in fig. 1, for the use of heat stored in the energy storage tank 4, in this embodiment, an air conditioner 18 for adjusting the indoor temperature of the user is connected to the energy storage tank 4 through a fourth pipe 19, so that the second heat exchange medium circulates between the air conditioner 18 and the fourth pipe 19, and the air conditioner 18 consumes the heat in the second heat exchange medium.
In a further optimized scheme, as shown in fig. 1, a third conveying component C for providing power for the circulation of the second heat exchange medium between the air conditioner 18 and the fourth pipeline 19 is arranged on the fourth pipeline 19, and the structure of the third conveying component C is the same as that of the second conveying component B, which is not described herein.
In the above-described structure, the first conveying assembly a, the second conveying assembly B, and the third conveying assembly C are two paths, and one path is used and the other path is used as a standby.
Based on the structure, the photovoltaic module 1 is cooled, the photoelectric conversion efficiency is improved, the waste heat of the photovoltaic module 1 is utilized to supply heat, and the solar heat energy is utilized more efficiently. The power generation efficiency of the photovoltaic module is calculated according to 20%, the utilization efficiency of the rest 80% of waste heat through the heat pump system is calculated according to 60%, and the overall solar energy utilization efficiency is 80%, so that the utility model realizes the optimal utilization of renewable energy sources.
Under the heating condition, COP (energy efficiency grade) of the heat pump system formed by the first pipeline 2, the heat pump host 3, the energy storage box 4, the second pipeline 5 and the third pipeline 6 can reach 6, and the economical efficiency is greatly improved in comparison with the common heat pump system and heating system. Under the working condition that the heat pump system is started, the working condition that the heat pump system is not started is compared, the power generation efficiency of the photovoltaic module is also improved to a certain extent, and the electricity cost of a user is reduced.
Finally, it should be noted that: the above embodiments are merely preferred embodiments of the present utility model, for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions; in addition, the technical scheme of the utility model is directly or indirectly applied to other related technical fields, and the technical scheme is included in the scope of the utility model.
Claims (6)
1. Photovoltaic module waste heat recovery system, including photovoltaic module (1), its characterized in that still includes:
the first pipeline (2) is used for circulating a first heat exchange medium, and the first pipeline (2) is fixed on the back surface of the photovoltaic module (1) to acquire heat collected by the photovoltaic module (1);
one end of a first pipeline (2) is connected with a first heat exchange medium output end of the heat pump host (3), and the other end of the first pipeline (2) is connected with a first heat exchange medium input end of the heat pump host (3);
the energy storage box body (4) is internally provided with a second heat exchange medium;
one end of the second pipeline (5) is connected with the second heat exchange medium output end of the heat pump host (3), and the other end of the second pipeline (5) is connected with the energy storage box body (4);
and one end of the third pipeline (6) is connected with the second heat exchange medium input end of the heat pump host (3), and the other end of the third pipeline (6) is connected with the energy storage box body (4).
2. The photovoltaic module waste heat recovery system according to claim 1, further comprising a photovoltaic grid-connected cabinet (7) for providing a working power supply to the heat pump host (3), wherein an input end of the photovoltaic grid-connected cabinet (7) is electrically connected with the photovoltaic module (1), and an output end of the photovoltaic grid-connected cabinet (7) is electrically connected with the heat pump host (3).
3. The photovoltaic module waste heat recovery system according to claim 1, wherein the first pipe (2) comprises:
the coil (2 a) is fixed on the back of the photovoltaic module (1);
one end of the first conveying pipe (2 b) is connected with one end of the coil pipe (2 a), and the other end of the first conveying pipe (2 b) is connected with a first heat exchange medium output end of the heat pump host (3);
and one end of the second conveying pipe (2 c) is connected with one end of the coil pipe (2 a), and the other end of the second conveying pipe (2 c) is connected with the first heat exchange medium input end of the heat pump host (3).
4. A photovoltaic module waste heat recovery system according to any one of claims 1 to 3, characterized in that at least a portion of the first conduit (2) is of flat construction.
5. A photovoltaic module waste heat recovery system according to any one of claims 1 to 3, wherein the first conduit (2) is provided with a first delivery module (a) for powering the flow of the first heat exchange medium, the first delivery module (a) comprising:
the heat pump comprises a first butterfly valve (8), a first filter (9), a first pump (10), a first check valve (11) and a second butterfly valve (12), wherein one end of the first butterfly valve (8) is connected with a first pipeline (2), the other end of the first butterfly valve (8) is connected with one end of the first filter (9), the other end of the first filter (9) is connected with one end of the first pump (10), the other end of the first pump (10) is connected with one end of the first check valve (11), the other end of the first check valve (11) is connected with one end of the second butterfly valve (12), and the other end of the second butterfly valve (12) is connected with a first heat exchange medium input end of a heat pump host machine (3).
6. A photovoltaic module waste heat recovery system according to any one of claims 1 to 3, characterized in that the third duct (6) is provided with a second delivery module (B) for powering the flow of the second heat exchange medium, the second delivery module (B) comprising:
the device comprises a third butterfly valve (13), a second filter (14), a second pump (15), a second check valve (16) and a fourth butterfly valve (17), wherein one end of the third butterfly valve (13) is connected with an energy storage box body (4), the other end of the third butterfly valve (13) is connected with one end of the second filter (14), the other end of the second filter (14) is connected with one end of the second pump (15), the other end of the second pump (15) is connected with one end of the second check valve (16), the other end of the second check valve (16) is connected with one end of the fourth butterfly valve (17), and the other end of the fourth butterfly valve (17) is connected with a second heat exchange medium input end of a heat pump host machine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223138319.XU CN218915463U (en) | 2022-11-25 | 2022-11-25 | Photovoltaic module waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223138319.XU CN218915463U (en) | 2022-11-25 | 2022-11-25 | Photovoltaic module waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
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| CN218915463U true CN218915463U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223138319.XU Active CN218915463U (en) | 2022-11-25 | 2022-11-25 | Photovoltaic module waste heat recovery system |
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| CN (1) | CN218915463U (en) |
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- 2022-11-25 CN CN202223138319.XU patent/CN218915463U/en active Active
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