CN218302493U - Zero-energy greenhouse based on PVT (photovoltaic thermal transfer) - Google Patents
Zero-energy greenhouse based on PVT (photovoltaic thermal transfer) Download PDFInfo
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- CN218302493U CN218302493U CN202122419422.0U CN202122419422U CN218302493U CN 218302493 U CN218302493 U CN 218302493U CN 202122419422 U CN202122419422 U CN 202122419422U CN 218302493 U CN218302493 U CN 218302493U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The utility model relates to a zero-energy greenhouse based on PVT, including the agricultural greenhouse, PVT photoelectric hot plate and printing opacity dual glass solar energy component are arranged at the top surface interval of agricultural greenhouse, the PVT photoelectric hot plate and printing opacity dual glass solar energy component transmit electricity to ground source heat pump set, canopy interior consumer, energy storage battery group through photovoltaic inverter, the energy storage battery group supplies power to ground source heat pump set, canopy interior consumer through energy storage bidirectional inverter; the heat storage medium of the PVT photoelectric hot plate is conducted to a phase-change energy storage water tank, and the heat storage medium of the phase-change energy storage water tank is conducted to the ground source heat pump unit; the ground source heat pump unit is communicated with a buried pipe in the deep part of the ground surface. The beneficial effects of the utility model are that make full use of solar energy and geothermal energy resource realize the cyclic utilization of the energy, can effectively improve land utilization, thermoelectric self-sufficiency, energy comprehensive utilization efficiency height and stable in structure.
Description
Technical Field
The utility model relates to an agricultural field specifically is an utilize agricultural greenhouse big-arch shelter of PVT photoelectricity light and heat board energy supply.
Background
In traditional farming in China, agricultural greenhouses are applied on a large scale, and good economic benefits are obtained. Energy utilization mode of the agricultural greenhouse: the first is electric energy of a power grid, and the second is a traditional heating mode (comprising flue heating, hot blast stove heating, steam heating, electric heater heating and the like). However, the energy utilization of the two modes has adverse effects, and the utilization of non-renewable fossil energy is used to the end, so that the economic burden of farmers is increased, and even environmental pollution is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, solve green house temperature control environment problem with high costs.
In order to achieve the purpose of the utility model, the PVT-based zero-energy greenhouse comprises an agricultural greenhouse, PVT photoelectric hot plates and light-transmitting double-glass solar components are arranged on the top surface of the agricultural greenhouse at intervals, the PVT photoelectric hot plates and the light-transmitting double-glass solar components transmit electricity to a ground source heat pump unit, electrical equipment in the greenhouse and an energy storage battery pack through a photovoltaic inverter, and the energy storage battery pack supplies electricity to the ground source heat pump unit and the electrical equipment in the greenhouse through an energy storage bidirectional inverter; the heat storage medium of the PVT photoelectric hot plate is conducted to a phase-change energy storage water tank, and the heat storage medium of the phase-change energy storage water tank is conducted to the ground source heat pump unit; the ground source heat pump unit is communicated with a buried pipe in the deep underground of the ground surface.
The necessary equipment such as the ground source heat pump unit, the water pump, the illumination and the like can adopt the form of an independent switch to control the operation. The electric equipment in the shed comprises equipment such as a water pump and lighting.
Preferably, the ground source heat pump unit is also communicated with an air conditioner pipe arranged in the greenhouse.
If the ground source heat pump unit is not communicated with the air conditioning pipe, the ground source heat pump unit can be operated in a mode of directly arranging the functional end of the ground source heat pump unit in the greenhouse.
Preferably, a circulating pump is arranged on a pipeline communicated with the ground source heat pump unit and the air conditioner pipe.
Preferably, the other end of the air conditioning pipe is communicated to an air conditioning tail end device used for adjusting the parameters of the air conditioner in the greenhouse.
Preferably, the ground source heat pump unit conveys heat storage media to the multiple buried pipes through the water segregator, and the ground source heat pump unit receives the heat storage media from the multiple buried pipes through the water collector.
Preferably, a circulating pump is arranged on a pipeline for communicating the PVT photoelectric hot plate with the phase-change energy storage water tank.
Preferably, a circulating pump is arranged on a pipeline for communicating the ground source heat pump unit and the buried pipe.
Preferably, a control valve is arranged on a pipeline which is communicated with the ground source heat pump unit, the buried pipe and the phase change energy storage water tank.
Preferably, a first opening and closing valve is arranged on a pipeline for conveying the ground source heat pump unit to the phase-change energy storage water tank; and a second opening and closing valve is arranged on a pipeline for conveying the ground source heat pump unit to the buried pipe.
The special cooperation of PVT photoelectricity hot plate and printing opacity dual glass solar energy component had both guaranteed the required even sunshine of crop growth, can play certain thermal-insulated effect again summer. Meanwhile, the solar structure not only replaces the original roofing material, but also is a power generation and heating unit. In sunny days, the energy storage battery pack is charged when photovoltaic power generation is remained, and in rainy days and at night, the energy storage battery pack discharges to meet the power supply of equipment in the greenhouse.
The ground source heat pump unit is matched with the PVT photoelectric photo-thermal plate, so that heating (taking out heat energy collected by the buried pipe and heated by solar energy) and heat dissipation (burying the buried pipe into the ground in shading matching) in the greenhouse can be realized, the temperature and the humidity of the greenhouse are adjusted to keep the optimal level, and the growth requirements of crops are met. In addition, the temperature is adjusted, so that the conversion efficiency of the PVT photoelectric hot plate is kept in a better state, and the service life of the PVT photoelectric hot plate is prolonged.
The solar radiation heat entering the greenhouse in summer is very large, the greenhouse is in a temperature rising state even if the temperature is too high, the first on-off valve is closed, the second on-off valve is opened, and then a part of heat can be circularly dissipated to underground soil through the ground source heat pump unit and the ground buried pipe matched with the ground source heat pump unit, so that the greenhouse is in a temperature reducing state to meet the requirement of plant growth; meanwhile, the heat of the PVT photoelectric hot plate is stored through the phase-change energy storage water tank. The greenhouse is at night, when no solar radiation exists, the first opening and closing valve is opened, the second opening and closing valve is closed, and the ground source heat pump unit and the phase-change energy storage water tank are matched and circulated at night to release heat stored in the day so as to ensure the lowest humidity temperature of the greenhouse at night.
In non-summer, the solar radiation heat entering the greenhouse in the daytime is insufficient, at the moment, the first opening and closing valve is opened, the second opening and closing valve is closed, and the heat can be transferred into the greenhouse through circulation of the ground source heat pump unit, the PVT photoelectric hot plate and the phase change energy storage water tank, so that the greenhouse is in a temperature rising state to meet the requirement of plant growth; when the greenhouse is at night and has no solar radiation, the first opening and closing valve is closed, the second opening and closing valve is opened, and the ground source heat pump unit and the buried pipe recycle the heat of the underground soil so as to ensure the lowest humidity and temperature of the greenhouse at night.
Through the communication of ground source heat pump unit and air conditioner pipe, promoted the big-arch shelter to the managerial ability of inside temperature, promote cooling, intensification speed.
The beneficial effects of the utility model are that make full use of solar energy and geothermal energy resource realize the cyclic utilization of the energy, can effectively improve land utilization rate, thermoelectric self-sufficiency, energy comprehensive utilization efficiency height and stable in structure.
Drawings
Fig. 1 is a schematic diagram of a network of zero-energy greenhouse devices based on PVT of the present invention;
fig. 2 is a schematic view of the external part of the zero-energy greenhouse based on PVT of the present invention;
wherein:
1-agricultural greenhouse 11-PVT photoelectric photo-thermal plate 12-light-transmitting double-glass solar assembly
2-ground source heat pump unit 21-water separator 22-water collector
3-energy storage battery pack 4-energy storage bidirectional inverter 5-phase change energy storage water tank
6-buried pipe 71-first open-close valve 72-second open-close valve
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
The PVT-based zero-energy greenhouse shown in the figures 1-2 is characterized by comprising an agricultural greenhouse 1, wherein PVT photoelectric photo-thermal plates 11 and light-transmitting double-glass solar assemblies 12 are arranged on the top surface of the agricultural greenhouse 1 at intervals, the PVT photoelectric photo-thermal plates 11 and the light-transmitting double-glass solar assemblies 12 transmit electricity to a ground source heat pump unit 2, electrical equipment in the greenhouse and an energy storage battery pack 3 through a photovoltaic inverter 13, and the energy storage battery pack 3 supplies electricity to the ground source heat pump unit 2 and the electrical equipment in the greenhouse through an energy storage bidirectional inverter 4; the heat storage medium of the PVT photoelectric hot plate 11 is conducted to a phase-change energy storage water tank 5, and the heat storage medium of the phase-change energy storage water tank 5 is conducted to the ground source heat pump unit 2; the ground source heat pump unit 2 is communicated with a buried pipe 6 in the deep underground of the ground surface. The ground source heat pump unit 2 and the water pump, the lighting and other electrical equipment in the shed are powered by adopting an independent switch mode to control the operation.
The ground source heat pump unit 2 is also communicated with an air conditioner pipe arranged in the greenhouse. And a circulating pump is arranged on a pipeline communicated with the air conditioning pipe by the ground source heat pump unit 2. And the other end of the air-conditioning pipe is communicated to air-conditioning terminal equipment for adjusting the air-conditioning parameters in the greenhouse.
The ground source heat pump unit 2 is used for conveying heat storage media to the plurality of buried pipes 6 through the water separator 21, and the ground source heat pump unit 2 is used for receiving the heat storage media from the plurality of buried pipes 6 through the water collector 22.
And a circulating pump is arranged on a pipeline for communicating the PVT photoelectric photo-thermal plate 11 with the phase-change energy storage water tank 5.
And a circulating pump is arranged on a pipeline for communicating the ground source heat pump unit 2 with the buried pipe 6.
A first opening and closing valve 71 is arranged on a pipeline for conveying the ground source heat pump unit 2 to the phase change energy storage water tank 5; and a second opening and closing valve 72 is arranged on a pipeline for conveying the ground source heat pump unit 2 to the buried pipe 6.
The solar radiation heat entering the greenhouse in summer is very large, the greenhouse is in a temperature rising state even if the temperature is too high, the first opening-closing valve 71 is closed, the second opening-closing valve 72 is opened, and then a part of heat can be circularly dissipated to underground soil through the ground source heat pump unit 2 and the ground pipe 6 matched with the ground source heat pump unit, so that the greenhouse is in a temperature reducing state to meet the requirement of plant growth; meanwhile, the heat of the PVT photoelectric hot plate 11 is stored through the phase-change energy storage water tank 5. At night, when no solar radiation exists in the greenhouse, the first opening and closing valve 71 is opened, the second opening and closing valve 72 is closed, and the ground source heat pump unit 2 and the phase-change energy storage water tank 5 are matched for circulation at night to release heat stored in the daytime so as to ensure the lowest humidity temperature of the greenhouse at night.
In non-summer, the solar radiation heat entering the greenhouse in the daytime is insufficient, at the moment, the first opening and closing valve 71 is opened, the second opening and closing valve 72 is closed, and then the heat can be circularly transferred into the greenhouse through the ground source heat pump unit 2, the PVT photoelectric photo-thermal plate 11 and the phase-change energy storage water tank 5, so that the greenhouse is in a temperature rising state to meet the requirement of plant growth; when the greenhouse is at night and no solar radiation exists, the first opening and closing valve 71 is closed, the second opening and closing valve 72 is opened, and the ground source heat pump unit 2 and the buried pipe 6 recycle the heat of the underground soil to ensure the lowest humidity temperature of the greenhouse at night.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, and that various changes and modifications may be made, which are within the scope of the appended claims.
Claims (9)
1. The PVT-based zero-energy greenhouse is characterized by comprising an agricultural greenhouse (1), PVT photoelectric photo-thermal plates (11) and light-transmitting double-glass solar components (12) are arranged on the top surface of the agricultural greenhouse (1) at intervals, the PVT photoelectric photo-thermal plates (11) and the light-transmitting double-glass solar components (12) transmit electricity to a ground source heat pump unit (2), electrical equipment in the greenhouse and an energy storage battery pack (3) through photovoltaic inverters (13), and the energy storage battery pack (3) supplies electricity to the ground source heat pump unit (2) and the electrical equipment in the greenhouse through an energy storage bidirectional inverter (4); the heat storage medium of the PVT photoelectric photo-thermal plate (11) is conducted to a phase-change energy storage water tank (5), and the heat storage medium of the phase-change energy storage water tank (5) is conducted to the ground source heat pump unit (2); the ground source heat pump unit (2) is communicated with a buried pipe (6) in the deep underground of the ground surface.
2. The PVT-based zero-energy greenhouse of claim 1, wherein the ground source heat pump unit (2) is further communicated with an air-conditioning pipe arranged in the greenhouse.
3. The PVT-based zero-energy greenhouse of claim 2, wherein a circulating pump is arranged on a pipeline through which the ground source heat pump unit (2) is communicated with the air conditioning pipe.
4. The PVT-based zero-energy greenhouse of claim 2, wherein the air-conditioning duct is connected at another end to an air-conditioning terminal for adjusting air-conditioning parameters within the greenhouse.
5. The PVT-based zero-energy greenhouse of claim 1, wherein the ground source heat pump unit (2) delivers heat storage medium to the buried pipes (6) through a water separator (21), and the ground source heat pump unit (2) receives heat storage medium from the buried pipes (6) through a water collector (22).
6. The PVT-based zero-energy greenhouse of claim 1, wherein a circulating pump is arranged on a pipeline for communicating the PVT photoelectric photo-thermal plate (11) with the phase-change energy storage water tank (5).
7. The PVT-based zero-energy greenhouse of claim 1, wherein a circulating pump is arranged on a pipeline through which the ground source heat pump unit (2) is communicated with the buried pipe (6).
8. The PVT-based zero-energy greenhouse of claim 1, wherein a control valve is arranged on a pipeline through which the ground source heat pump unit (2) is communicated with the buried pipe (6) and the phase-change energy storage water tank (5).
9. The PVT-based zero-energy greenhouse of claim 8, wherein a first opening and closing valve (71) is arranged on a pipeline for conveying the ground source heat pump unit (2) to the phase-change energy storage water tank (5); and a second opening and closing valve (72) is arranged on a pipeline for conveying the ground source heat pump unit (2) to the buried pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122419422.0U CN218302493U (en) | 2021-10-08 | 2021-10-08 | Zero-energy greenhouse based on PVT (photovoltaic thermal transfer) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122419422.0U CN218302493U (en) | 2021-10-08 | 2021-10-08 | Zero-energy greenhouse based on PVT (photovoltaic thermal transfer) |
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| Publication Number | Publication Date |
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| CN218302493U true CN218302493U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122419422.0U Active CN218302493U (en) | 2021-10-08 | 2021-10-08 | Zero-energy greenhouse based on PVT (photovoltaic thermal transfer) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116058215A (en) * | 2023-03-28 | 2023-05-05 | 潍坊科技学院 | PVT heat pump composite energy supply system for facility agriculture greenhouse |
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2021
- 2021-10-08 CN CN202122419422.0U patent/CN218302493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116058215A (en) * | 2023-03-28 | 2023-05-05 | 潍坊科技学院 | PVT heat pump composite energy supply system for facility agriculture greenhouse |
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