CN112611113B - Photovoltaic solar hot water heating system - Google Patents
Photovoltaic solar hot water heating system Download PDFInfo
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- CN112611113B CN112611113B CN202011503767.8A CN202011503767A CN112611113B CN 112611113 B CN112611113 B CN 112611113B CN 202011503767 A CN202011503767 A CN 202011503767A CN 112611113 B CN112611113 B CN 112611113B
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- Prior art keywords
- heat collecting
- pipe
- photovoltaic solar
- heat
- hot water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/60—Thermal insulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the field of new energy application, and particularly discloses a photovoltaic solar hot water heating system, which comprises: the hot water tank comprises a heating inner container and a shell; the first vacuum heat collecting pipes are respectively and uniformly arranged in the containing cavity at intervals, and the heat collecting ends of the first vacuum heat collecting pipes are connected with the outer surface of the heating inner container; the plurality of second vacuum heat collecting pipes are respectively arranged on the first heat collecting plate, and the heat collecting ends of the plurality of second vacuum heat collecting pipes penetrate through the shell and extend into the heating liner; the solar energy collector comprises a photovoltaic solar cell panel and a heat collecting plate, wherein the heat collecting plate is attached and fixed at the bottom of the photovoltaic solar cell panel, and a plurality of hollow branch pipes are arranged on the heat collecting plate; one end of the first heat collecting pipe is an air inlet, and the pipe wall of the first heat collecting pipe is communicated with one ends of the hollow branch pipes; and one end of the second heat collecting pipe is provided with an air outlet, and the pipe wall of the second heat collecting pipe is communicated with the other ends of the plurality of hollow branch pipes. The heating system can reduce heat loss, so that the internal heat dissipation capacity of the water tank is extremely low, and the heat preservation performance is excellent.
Description
Technical Field
The invention belongs to the field of new energy application, and particularly relates to a photovoltaic solar hot water heating system.
Background
The existing solar heat collector converts light energy into heat energy through a vacuum heat collecting tube, and then transmits the heat energy into cold water of a water tank to be heated, so that the cold water is heated. However, in particularly cold regions in winter, the environment is relatively cold, and even if the outer surface of the water tank is attached with the insulating layer, the heat dissipation of the water in the water tank is relatively fast. If the weather of weak sunlight is met, the defect of low water temperature in the water tank can be caused.
Disclosure of Invention
The invention aims to provide a photovoltaic solar hot water heating system, so as to overcome the defect of poor heat preservation effect of a water tank in cold weather.
To achieve the above object, the present invention provides a photovoltaic solar hot water heating system, comprising:
the hot water tank comprises a heating inner container and an outer shell, the heating inner container is arranged in the outer shell, an accommodating cavity is formed between the outer shell and the heating inner container, the outer wall of the heating inner container and the inner wall of the outer shell are both light reflecting layers, and the outer shell is uniformly provided with a plurality of light transmitting window bodies at intervals;
the first vacuum heat collecting pipes are uniformly arranged in the accommodating cavity at intervals, and the heat collecting ends of the first vacuum heat collecting pipes are connected with the outer surface of the heating inner container;
the second vacuum heat collecting pipes are arranged on the first heat collecting plate, and the heat collecting ends of the second vacuum heat collecting pipes penetrate through the shell and extend into the heating liner;
the solar panel comprises a photovoltaic solar panel and a second heat collecting plate, wherein the second heat collecting plate is attached to and fixed at the bottom of the photovoltaic solar panel, and a plurality of hollow branch pipes are arranged on the second heat collecting plate;
one end of the first heat collecting pipe is an air inlet, the other end of the first heat collecting pipe is in a sealed state, and the pipe wall of the first heat collecting pipe is communicated with one end of the hollow branch pipes;
one end of the second heat collecting pipe is provided with an air outlet, the other end of the second heat collecting pipe is in a sealed state, and the pipe wall of the second heat collecting pipe is communicated with the other ends of the plurality of hollow branch pipes; and
and the heat preservation pipe is wound on the outer wall of the shell, one end of the heat preservation pipe is connected with the air outlet hole, and the other end of the heat preservation pipe is connected with the first heat collection pipe.
Preferably, in the above technical solution, the solar heating device further includes a heat insulation layer, and the heat insulation layer is disposed between the outer wall of the heating inner container and the light reflection layer.
Preferably, in the above technical scheme, the thermal heating liner is cylindrical, and the plurality of first vacuum heat collecting tubes are uniformly arranged along the periphery of the cylindrical heating liner.
Preferably, in the above technical scheme, the heat pump system further comprises a temperature sensor, a heat pump and a controller, the heat pump is arranged in the heat preservation pipe, the temperature sensor is arranged in the hollow branch pipe, and the controller is respectively connected with the heat pump and the temperature sensor.
Preferably, in the above technical solution, the device further includes a pressure relief valve, and the pressure relief valve is disposed on the housing.
Preferably, in the above technical solution, the solar photovoltaic module further includes a storage battery, and the storage battery is connected to the controller and the photovoltaic solar panel.
Preferably, in the above technical scheme, the photovoltaic solar panel is sequentially formed by laminating a transparent cover plate, a first EVA glue layer, a solar panel, a second EVA glue layer and a TPT back plate in an up-down sequence.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the photovoltaic solar hot water heating system, the accommodating cavity is formed in the hot water tank, the vacuum heat collecting tube layer is arranged in the accommodating cavity, illumination can be absorbed into the accommodating cavity through the light transmitting window body, and the upper surface and the lower surface of the accommodating cavity are the light reflecting layers, so that light is reflected to the vacuum heat collecting tube to be converted into heat energy, the outer wall of the heating inner container forms the heating layer, heat loss can be reduced, the internal heat dissipation capacity of the water tank is extremely low, and water in the water tank is enabled to be heated and insulated more easily.
2. The solar water heater also collects heat generated by the photovoltaic cell panel, and the heat is wound outside the hot water tank through the pipeline to form an external heat insulation layer, so that the heat dissipation capacity of the hot water tank is smaller, and the hot water tank can resist a colder weather environment.
3. The invention is provided with the pressure release valve on the shell, and can prevent safety accidents caused by overlarge air pressure in the shell.
Drawings
Fig. 1 is a first structural diagram of a photovoltaic solar hot water heating system of the present invention.
Fig. 2 is a second structural diagram of the photovoltaic solar hot water heating system of the present invention.
The solar heat collecting device comprises a photovoltaic solar panel, a second heat collecting plate, a hollow branch pipe, a first heat collecting pipe, a second heat collecting pipe, a temperature sensor, a heat pump, a heat preservation pipe, a shell, a heating inner container, a first vacuum heat collecting pipe, a second vacuum heat collecting pipe, a first heat collecting plate, a heat collecting end, a containing cavity, a light transmitting window body, a heat collecting end, a pressure release valve, a heat preservation layer and a light reflecting layer, wherein the photovoltaic solar panel is 1, the second heat collecting plate is 2, the hollow branch pipe is 3, the first heat collecting pipe is 4, the second heat collecting pipe is 5, the temperature sensor is 6, the heat pump is 7, the heat preservation pipe is 8, the shell is 10, the heating inner container is 11, the first vacuum heat collecting pipe, the second vacuum heat collecting pipe is 12, the first heat collecting plate is 13, the heat collecting end is 14, the containing cavity is 15, the light transmitting window body is 16, the heat collecting end is 17, the heat collecting end is 18, the pressure release valve, the heat preservation layer is 19 and the light reflecting layer is 20.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
As shown in fig. 1-2, a photovoltaic solar hot water heating system in this embodiment includes: the solar water heater comprises a hot water tank, a plurality of first vacuum heat collecting tubes 11, a plurality of second vacuum heat collecting tubes 12, a photovoltaic solar panel 1, a heat insulating layer 19, a second heat collecting plate 2, a first heat collecting tube 4, a second heat collecting tube 5, a heat insulating tube 8, a temperature sensor 6, a heat pump 7, a controller, a pressure release valve 18 and a storage battery.
With continued reference to fig. 2, the hot water tank includes a heating inner container 10 and a housing 9, the heating inner container 10 is disposed in the housing 9, an accommodating cavity 15 is formed between the housing 9 and the heating inner container 10, the outer wall of the heating inner container 10 and the inner wall of the housing 9 are both light reflecting layers, the housing 9 is uniformly provided with a plurality of light-transmitting window bodies 16 at intervals, and the light-transmitting window bodies 16 are preferably made of heat-insulating materials or have a double-layer glass structure, so as to meet the requirement of heat insulation. Heating inner bag 10 is cylindricly, and shell 9 also prefers to be cylindricly, like this, and light is taken into behind the printing opacity window form 16, can form good refraction for the illumination is refracted in the periphery homoenergetic of heating inner bag 10, thereby makes first evacuated collector tube 11 can obtain abundant illumination.
It can be understood that, because the accommodating chamber 15 is in a sealing state, the housing 9 is provided with a relief valve, which can prevent safety accidents caused by excessive air pressure in the housing 9.
In the chamber 15 is held to locating of a plurality of first evacuated collector tubes 11 evenly spaced, a plurality of first evacuated collector tubes 11 are preferred evenly to be arranged along cylindric heating inner bag 10's periphery, and the surface of heating inner bag 10 is connected to the thermal-arrest end 17 of a plurality of first evacuated collector tubes 11 for the heat that first evacuated collector tube 11 produced can keep warm to the outer wall of heating inner bag 10.
It can be understood that the insulation layer 19 is disposed between the outer wall of the heating inner container 10 and the light reflection layer of the heating inner container 10, and the heat collecting end 17 of the first evacuated heat collecting tube 11 can be connected to the insulation layer 19, so as to add the insulation layer 19, and make the insulation effect better.
A plurality of second evacuated heat collecting tubes 12 are disposed on the first heat collecting plate 13, and heat collecting ends 14 of the plurality of second evacuated heat collecting tubes 12 extend into the heating inner container 10 through the outer shell 9. The second heat collecting plate 13 is attached to and fixed at the bottom of the photovoltaic solar panel 1, the second heat collecting plate 2 is provided with a plurality of hollow branch pipes 3, one end of the first heat collecting pipe 4 is an air inlet, the other end of the first heat collecting pipe is in a sealed state, and the pipe wall of the first heat collecting pipe 4 is communicated with one ends of the plurality of hollow branch pipes 3. One end of the second heat collecting pipe 5 is an air outlet, the other end is in a sealed state, and the pipe wall of the second heat collecting pipe 5 is communicated with the other ends of the plurality of hollow branch pipes 3. The insulating tube 8 is wound on the outer wall of the shell 9 and is wound with multiple layers so that the insulating effect is better, one end of the insulating tube 8 is connected with the air outlet hole, and the other end of the insulating tube is connected with the first heat collecting tube 4. The second heat collecting plate 2 collects heat generated by the photovoltaic solar panel 1, and the heat passes through the heat preservation pipe 8 and then is transmitted to the heat preservation pipe 8 on the surface of the hot water tank, so that heat preservation is performed on the hot water tank.
It can be understood that the photovoltaic solar cell panel 1 is sequentially formed by the transparent cover plate, the first EVA adhesive layer, the solar cell panel, the second EVA adhesive layer and the TPT back plate in a downward sequence.
Further, heat pump 7 is located in insulating tube 8, and temperature sensor 6 is located in hollow branch 3, and the controller is connected with heat pump 7 and temperature sensor 6 respectively, and the battery connection controller and photovoltaic solar cell panel. When the temperature sensor detects that the temperature is too high, the controller opens the heat pump to accelerate the circulating air flow, so that the heat is fully utilized, the temperature of the photovoltaic solar panel can be reduced more, and the working efficiency of the photovoltaic solar panel is improved.
To sum up, photovoltaic solar hot water heating system sets up the one deck in the hot-water tank and holds the chamber, set up the vacuum collector tube layer holding the intracavity, illumination accessible printing opacity window form is ingested and is held the intracavity, and the upper and lower face because of holding the chamber is the light reflex layer, consequently light takes place to shine after the refraction and carries out the phototransformation on the vacuum collector tube and become heat energy, consequently makes the outer wall of heating inner bag form the zone of heating, can reduce thermal loss, thereby makes the interior heat dissipation capacity of water tank minimum, thereby guarantees that the water in the water tank heats and keeps warm more easily.
The foregoing description of specific exemplary embodiments of the invention has been presented for the purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. A photovoltaic solar hot water heating system, comprising:
the hot water tank comprises a heating inner container and an outer shell, the heating inner container is arranged in the outer shell, an accommodating cavity is formed between the outer shell and the heating inner container, the outer wall of the heating inner container and the inner wall of the outer shell are both light reflecting layers, and the outer shell is uniformly provided with a plurality of light transmitting window bodies at intervals;
the first vacuum heat collecting pipes are uniformly arranged in the accommodating cavity at intervals, and the heat collecting ends of the first vacuum heat collecting pipes are connected with the outer surface of the heating inner container;
the plurality of second vacuum heat collecting pipes are arranged on the first heat collecting plate, and heat collecting ends of the plurality of second vacuum heat collecting pipes penetrate through the shell and extend into the heating liner;
the solar panel comprises a photovoltaic solar panel and a second heat collecting plate, wherein the second heat collecting plate is attached to and fixed at the bottom of the photovoltaic solar panel, and a plurality of hollow branch pipes are arranged on the second heat collecting plate;
one end of the first heat collecting pipe is an air inlet, the other end of the first heat collecting pipe is in a sealed state, and the pipe wall of the first heat collecting pipe is communicated with one ends of the hollow branch pipes;
one end of the second heat collecting pipe is provided with an air outlet, the other end of the second heat collecting pipe is in a sealed state, and the pipe wall of the second heat collecting pipe is communicated with the other ends of the plurality of hollow branch pipes; and
the heat preservation pipe is wound on the outer wall of the shell, one end of the heat preservation pipe is connected with the air outlet hole, and the other end of the heat preservation pipe is connected with the first heat collecting pipe.
2. The photovoltaic solar hot water heating system of claim 1, further comprising an insulating layer disposed between the outer wall of the heating inner container and the light reflecting layer.
3. The photovoltaic solar hot water heating system of claim 1, wherein the heating inner container is cylindrical, and the plurality of first vacuum heat collecting tubes are uniformly arranged along the periphery of the cylindrical heating inner container.
4. The photovoltaic solar hot water heating system of claim 1, further comprising a temperature sensor, a heat pump and a controller, wherein the heat pump is arranged in the heat preservation pipe, the temperature sensor is arranged in the hollow branch pipe, and the controller is connected with the heat pump and the temperature sensor respectively.
5. The photovoltaic solar hot water heating system of claim 1, further comprising a pressure relief valve disposed on the housing.
6. The photovoltaic solar hot water heating system of claim 4, further comprising a storage battery connecting the controller and the photovoltaic solar panel.
7. The photovoltaic solar hot water heating system of claim 1, wherein the photovoltaic solar panel is formed by sequentially laminating a transparent cover plate, a first EVA adhesive layer, a solar panel, a second EVA adhesive layer and a TPT back plate in an up-down order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503767.8A CN112611113B (en) | 2020-12-18 | 2020-12-18 | Photovoltaic solar hot water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503767.8A CN112611113B (en) | 2020-12-18 | 2020-12-18 | Photovoltaic solar hot water heating system |
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| Publication Number | Publication Date |
|---|---|
| CN112611113A CN112611113A (en) | 2021-04-06 |
| CN112611113B true CN112611113B (en) | 2022-07-22 |
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| CN202011503767.8A Active CN112611113B (en) | 2020-12-18 | 2020-12-18 | Photovoltaic solar hot water heating system |
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| CN112611113A (en) | 2021-04-06 |
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