CN220750424U - Solar roof energy collecting system - Google Patents
Solar roof energy collecting system Download PDFInfo
- Publication number
- CN220750424U CN220750424U CN202321613014.1U CN202321613014U CN220750424U CN 220750424 U CN220750424 U CN 220750424U CN 202321613014 U CN202321613014 U CN 202321613014U CN 220750424 U CN220750424 U CN 220750424U
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- Prior art keywords
- heat
- heat medium
- pipe
- heat collection
- heat exchange
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 32
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 238000010248 power generation Methods 0.000 abstract description 15
- 239000002918 waste heat Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar roof energy collection system, and aims to solve the problem that in the prior art, the photovoltaic power generation efficiency is affected due to the fact that the working temperature of a photovoltaic panel is too high. The solar heat collection device comprises at least one photovoltaic plate, an inverter connected with the photovoltaic plate, a heat collection coil arranged on the back of the photovoltaic plate, a heat collection water tank and at least one heat exchange circulating pump, wherein the heat collection coil, the heat collection water tank and the heat exchange circulating pump are communicated through a heat medium circulating pipe, the heat collection coil is used for realizing the cooling of the photovoltaic plate and the heating of the heat medium in the heat medium circulating pipe through heat exchange by heat generated by the photovoltaic plate and the heat medium circulating in the heat medium circulating pipe, and the heat collection water tank is used for realizing cold water heating and outputting the heat medium flowing through heat exchange. The utility model can heat water in the building while reducing the working temperature of the photovoltaic panel, improves the power generation efficiency of the photovoltaic panel and fully utilizes energy.
Description
Technical Field
The utility model relates to a solar roof energy collecting system, and belongs to the technical field of energy-saving buildings.
Background
The photovoltaic power generation efficiency is related to the working temperature during power generation, the high temperature can greatly reduce the power generation efficiency of the photovoltaic panel, and the working temperature of the photovoltaic panel is increased during high-temperature seasons or season power generation peak periods, so that a lower power generation temperature environment is required to be provided to improve the power generation efficiency, and the photovoltaic panel adopted in the market at present does not have a cooling function, so that the power generation efficiency of the photovoltaic panel is reduced at high temperature.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a solar roof energy collection system which collects the waste heat of a photovoltaic panel through heat exchange circulation, and uses the waste heat for heating cold water through heat exchange, so that the working temperature of the photovoltaic panel is reduced, and meanwhile, the waste heat is used for heating the cold water in a heat collection water tank to supply hot water for a building, so that the temperature interval during photovoltaic battery photoelectric conversion is ensured, the power generation efficiency of the photovoltaic panel is improved, and the energy is fully utilized; the problem that the photovoltaic power generation efficiency is affected due to the fact that the working temperature of the photovoltaic panel is too high is solved.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model discloses a solar roof energy collection system, which comprises: the solar heat collection device comprises at least one photovoltaic plate, an inverter connected with the photovoltaic plate, a heat collection coil arranged on the back of the photovoltaic plate, a heat collection water tank and at least one heat exchange circulating pump, wherein the heat collection coil, the heat collection water tank and the heat exchange circulating pump are communicated through a heat medium circulating pipe, the heat collection coil is used for realizing the cooling of the photovoltaic plate and the heating of the heat medium in the heat medium circulating pipe through heat exchange by heat generated by the photovoltaic plate and the heat medium circulating in the heat medium circulating pipe, and the heat collection water tank is used for realizing cold water heating and outputting the heat medium flowing through heat exchange.
In some embodiments, a heat collecting tank liquid inlet and a heat collecting tank liquid outlet are formed in the heat collecting tank, the heat collecting tank liquid inlet is connected with the heat medium circulating pipe through a heat medium circulating liquid outlet pipe, the heat collecting tank liquid outlet is connected with the heat medium circulating pipe through a heat medium circulating liquid return pipe, a heat exchange coil is arranged in the heat collecting tank, two ends of the heat exchange coil are respectively connected with the heat collecting tank liquid inlet and the heat collecting tank liquid outlet, and a hot water outlet pipe for outputting hot water outwards and a cold water supplementing pipe for supplementing water in the heat collecting tank are further connected on the heat collecting tank.
In some embodiments, the photovoltaic panels have a plurality of pieces, and the heat collecting coils arranged at the back of each photovoltaic panel are connected to the heat medium circulation pipe in series or in parallel.
In some embodiments, the heat exchange circulation pump has two, two connected in parallel to the heat medium circulation pipe.
In some embodiments, the system further comprises a heat medium supplementing interface, wherein the heat medium supplementing interface is externally connected with the heat medium circulating pipe.
In some embodiments, the inverter and the heat exchange circulating pump are in operation-stop linkage through electric connection.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the solar roof energy collection system provided by the utility model, a heat dissipation flow channel of the heat of the photovoltaic panel is designed, a heat medium is introduced, the waste heat of the photovoltaic panel is collected through heat exchange circulation, and the waste heat is used for heating cold water through heat exchange, so that the working temperature of the photovoltaic panel is reduced, meanwhile, the waste heat is used for heating the cold water in the heat collection water tank to supply hot water for a building, the temperature interval during photovoltaic battery photoelectric conversion is ensured, the power generation efficiency of the photovoltaic panel is improved, and the energy is fully utilized.
2. The solar roof energy collection system provided by the utility model realizes comprehensive utilization of photoelectricity and photo-thermal, ensures the temperature interval during photoelectric conversion of the photovoltaic panel, provides hot water for the building, and further improves the power generation efficiency and the energy utilization rate.
3. The solar roof energy collection system is suitable for energy saving reconstruction of new buildings and existing buildings, can provide clean high-grade electric energy for the buildings through efficient photovoltaic power generation, simultaneously realizes hot water supply in the buildings, and has high use cost performance and wide application range.
Drawings
Fig. 1 is a schematic system structure diagram of an embodiment of a solar roof energy collection system provided by the utility model.
FIG. 2 is a schematic diagram of a local system structure of a heat collection water tank of an embodiment of a solar roof energy collection system provided by the utility model;
fig. 3 is a schematic view of a heat collection tray of an embodiment of a solar roof concentrating system provided by the present utility model disposed on a photovoltaic panel.
In the figure:
1. a photovoltaic panel; 2. an inverter; 3. a heat collecting coil; 31. a heat medium inlet and outlet 4 and a heat collection water tank; 41. a liquid inlet of the heat collection box; 42. a liquid outlet of the heat collection box; 43. a heat exchange coil; 44. a cold water supplementing pipe; 45. a hot water outlet pipe; 46. a blow-down valve; 5. a heat exchange circulation pump; 6. a heating medium circulation pipe; 61. a heating medium circulation liquid outlet pipe; 62. a heating medium circulating liquid return pipe; 7. and the heat medium is supplemented with an interface.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Referring to fig. 1-3, the utility model discloses a solar roof energy collecting system, which comprises a photovoltaic panel 1, an inverter 2, a heat collecting coil 3, a heat collecting water tank 4, a heat exchange circulating pump 5 and a heat medium circulating pipe 6. The photovoltaic panel 1 is connected with the inverter 2, the inverter 2 is connected with the distribution box to realize photovoltaic power generation, meanwhile, the heat collecting coil 3 is arranged on the back of the photovoltaic panel 1, the heat medium inlets and outlets 31 at two ends of the heat collecting coil 3 are connected with the heat medium circulating pipe 6, and the heat collecting water tank and the heat exchange circulating pump 5 are connected with the heat medium circulating pipe 6; under the action of a heat exchange circulating pump 5, heat medium in a heat medium circulating pipe 6 flows through a heat collecting coil 3 on a photovoltaic panel 1 to perform heat exchange, so that the photovoltaic panel 1 is cooled and the heat medium is heated, the heated heat medium flows into a heat collecting water tank 4 through the heat medium circulating pipe 6 and performs heat exchange in the heat collecting water tank 4, so that the heat medium in the heat medium circulating pipe 6 is cooled, cold water in the heat collecting water tank 4 is heated to heat up, hot water is provided for a building, and meanwhile, the heat medium cooled by heat exchange in the heat collecting water tank 4 flows into the heat medium circulating pipe 6 under the action of the heat exchange circulating pump 5 and flows to the heat collecting coil 6 on the back of the photovoltaic panel 4 again to continue heat exchange, so that the cooling of the photovoltaic panel 4 and the supply of hot water in the building are realized through the heat exchange circulating process; the system ensures that the temperature of the photovoltaic panel 4 is reduced when generating electricity, and ensures the temperature interval of the photovoltaic cell when in photoelectric conversion, thereby further improving the generating efficiency of the photovoltaic panel.
In some embodiments, the operation of the heat exchange circulation pump 5 is linked with the working state of the photovoltaic panel 1; the heat exchange circulating pump 5 is electrically connected with the inverter 2, when the photovoltaic panel 1 starts to generate electricity, the current output end of the photovoltaic panel 1 sends out a signal to trigger the heat exchange circulating pump 5 to start running, and when the photovoltaic panel 1 stops generating electricity, the current output end of the photovoltaic panel 1 sends out a signal again to trigger the heat exchange circulating pump 5 to stop running, so that the operation and stop working linkage of the heat exchange circulating pump 5 and the photovoltaic panel 1 is realized.
In some embodiments, a heat collecting tank liquid inlet 41 and a heat collecting tank liquid outlet 42 are arranged on the heat collecting tank 4, the heat collecting tank liquid inlet 41 is communicated with the heat medium circulation pipe 6 through a heat medium circulation liquid outlet pipe 61, the heat collecting tank liquid outlet 42 is communicated with the heat medium circulation pipe 6 through a heat medium circulation liquid return pipe 62, a heat exchange coil 43 is arranged in the inner container of the heat collecting tank 4, a medium liquid inlet pipe is led out from the top end of the heat exchange coil 43, a medium liquid outlet pipe is led out from the bottom end, and a middle pipe section is spirally arranged along the axial direction of the inner container, the medium liquid inlet pipe and the medium liquid outlet pipe at the two ends of the heat exchange coil 43 are respectively communicated with the heat collecting tank liquid inlet 41 and the heat collecting tank liquid outlet 42, a cold water supplementing pipe 44 and a hot water outlet pipe 45 are also connected to the inner container of the heat collecting tank 4, the hot water outlet pipe 45 is communicated with the hot water pipe in a building to realize hot water supply, and the cold water supplementing pipe 44 is used for continuously supplementing cold water into the heat collecting tank 4 for heat exchange heating after hot water is reduced, so that hot water is continuously provided in a building room; in addition, a sealing cover is sealed at the bottom end of the inner container of the heat collection water tank 4, and a drain valve 46 is arranged on the sealing cover.
In some embodiments, the heat medium inlets and outlets 31 at two ends of the heat collecting coils 3 at the back of the photovoltaic panel 1 can be directly connected with the heat medium circulation pipe 6 or the photovoltaic panel 1 is connected with the heat medium circulation pipe 6 after being operated in parallel, namely, a plurality of photovoltaic panels 1 on the roof of a building are arranged, the heat collecting coils 3 are arranged at the back of each photovoltaic panel 1, and each heat collecting coil 3 can be communicated in series or in parallel and then connected with the heat medium circulation pipe 6.
In some embodiments, two heat exchange circulation pumps 5 are provided, one for each, and the two heat exchange circulation pumps are connected in parallel to the heat medium circulation pipe 6.
In some embodiments, a heat medium supplementing interface 7 is provided on the heat medium circulating pipe 6 for supplementing the heat medium.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. A solar roof energy concentrating system, comprising: the solar heat collection device comprises at least one photovoltaic plate, an inverter connected with the photovoltaic plate, a heat collection coil arranged on the back of the photovoltaic plate, a heat collection water tank and at least one heat exchange circulating pump, wherein the heat collection coil, the heat collection water tank and the heat exchange circulating pump are communicated through a heat medium circulating pipe, the heat collection coil is used for realizing the cooling of the photovoltaic plate and the heating of the heat medium in the heat medium circulating pipe through heat exchange by heat generated by the photovoltaic plate and the heat medium circulating in the heat medium circulating pipe, and the heat collection water tank is used for realizing cold water heating and outputting the heat medium flowing through heat exchange.
2. The solar roof energy collection system according to claim 1, wherein a heat collection tank liquid inlet and a heat collection tank liquid outlet are formed in the heat collection tank, the heat collection tank liquid inlet is connected with the heat medium circulation pipe through a heat medium circulation liquid outlet pipe, the heat collection tank liquid outlet is connected with the heat medium circulation pipe through a heat medium circulation liquid return pipe, a heat exchange coil is arranged in the heat collection tank, two ends of the heat exchange coil are respectively connected with the heat collection tank liquid inlet and the heat collection tank liquid outlet, and a hot water outlet pipe for outputting hot water outwards and a cold water supplementing pipe for supplementing water in the heat collection tank are also connected to the heat collection tank.
3. The solar roof energy concentrating system of claim 1 wherein the photovoltaic panels have a plurality of blocks, the heat collection coils disposed behind each photovoltaic panel being connected in series or parallel to the heat medium circulation tube.
4. The solar roof energy concentrating system of claim 1 wherein there are two heat exchange circulation pumps connected in parallel to the heat medium circulation pipe.
5. The solar roof energy collection system of claim 1, further comprising a heat medium replenishment interface externally connected to the heat medium circulation pipe.
6. The solar roof energy concentrating system of any one of claims 1-5 wherein operation-stop linkage is achieved between the inverter and the heat exchange circulation pump by an electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613014.1U CN220750424U (en) | 2023-06-25 | 2023-06-25 | Solar roof energy collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613014.1U CN220750424U (en) | 2023-06-25 | 2023-06-25 | Solar roof energy collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220750424U true CN220750424U (en) | 2024-04-09 |
Family
ID=90570514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321613014.1U Active CN220750424U (en) | 2023-06-25 | 2023-06-25 | Solar roof energy collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220750424U (en) |
-
2023
- 2023-06-25 CN CN202321613014.1U patent/CN220750424U/en active Active
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