CN212013820U - Water circulation heat release device for sunlight greenhouse - Google Patents
Water circulation heat release device for sunlight greenhouse Download PDFInfo
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- CN212013820U CN212013820U CN202020201061.5U CN202020201061U CN212013820U CN 212013820 U CN212013820 U CN 212013820U CN 202020201061 U CN202020201061 U CN 202020201061U CN 212013820 U CN212013820 U CN 212013820U
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The utility model discloses a solar greenhouse water circulation heat release device which belongs to the technical field of heat collection and release of agricultural solar greenhouses. The device is a closed water circulation system consisting of a radiator, a water supply pipeline and a water return pipeline and is connected with a water pump in a reservoir; the automatic control of the device is realized through a temperature sensor and an automatic control system. The device separates the water circulation heat release device from the heat storage device and is arranged at the lower part of the sunlight greenhouse. The developed heat releasing device can be combined with various solar energy utilization systems with water circulation heat storage. Wherein the water supply pipeline, the radiator and the water return pipeline are all arranged at the south side in the greenhouse; when sunlight exists, the solar heat collector is used, and when sunlight does not exist, the solar heat collector is used as a heat radiator. The device can effectively play a role in releasing heat at night, improve the night temperature of the sunlight greenhouse, improve the thermal environment of the whole greenhouse and improve the utilization efficiency of solar energy of the sunlight greenhouse.
Description
Technical Field
The utility model belongs to the technical field of heat collection and release of agricultural sunlight greenhouse. In particular to a water circulation heat release device for a sunlight greenhouse.
Background
In a solar greenhouse, a water circulation heat storage and release system is generally used to collect and utilize surplus solar radiation energy to cope with severe weather such as severe cold. Among the heat storage and release systems, the solar heat storage and release system additionally arranged in the greenhouse is simple, effective and economical, and can effectively improve the heat storage and release capacity of the greenhouse. However, in order to receive solar radiation to the maximum, improve the heat storage efficiency, and reduce the cost, such a solar energy utilization system is generally installed in the upper part of the greenhouse, in which the heat storage device also serves as a heat release device. As a result, although maximum heat storage is ensured, the space to be heated at night of the greenhouse is usually the crop growth area at the lower part of the greenhouse, and the heating effect is affected by the heat release mode at the upper part under the action of the floating of indoor hot air; meanwhile, as the heat release position is close to the light transmission surface, a part of heat is easily dissipated outdoors, and the utilization efficiency of the accumulated heat is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water circulation heat releasing device for a sunlight greenhouse for improving the utilization efficiency of the accumulated solar energy aiming at the defects of the prior art; the solar greenhouse separates the water circulation heat release device from the heat storage device by using the water circulation heat release device, and is arranged at the lower part of the solar greenhouse; the heat release device is combined with various solar energy utilization systems with water circulation heat storage; the water circulation heat release device for the sunlight greenhouse is characterized by comprising a water storage tank 1, a water circulation pump 2, a water temperature sensor 3, a room temperature sensor 4, an automatic control system 5, a water supply pipeline 6, an adjusting valve 7, a radiator 8, an automatic exhaust valve 9, a water return pipeline 10, a water separator 11 and a water collector 12. Wherein, the circulating water pump 2 is arranged in the reservoir 1; a water inlet of the circulating water pump 2 is submerged in the water storage tank 1, and a water outlet of the circulating water pump is communicated with the water supply pipeline 6; the water supply pipeline 6 is communicated with a water separator 11, and the water separator 11 is communicated with a water supply end of a radiator 8; the return water end of the radiator 8 is communicated with the water collector 12; an automatic exhaust valve 9 is arranged at the upper end of the water collector 12 and used for exhausting air in the device to ensure that a water path is smooth; the reservoir 1 is communicated with a water return pipeline 10, and the water return pipeline 10 is connected with a water collector 12; a water temperature sensor 3 is arranged in the reservoir 1; and the automatic control system 5 is respectively connected with the circulating water pump 2, the water temperature sensor 3 and the room temperature sensor 4.
The circulating water pump 2 is a submersible pump, and a proper water pump is selected according to actual needs.
The water supply pipeline 6, the radiator 8, the water return pipeline 10, the water separator 11 and the water collector 12 are made of U-PVC or PPR plastic or galvanized iron pipes; and selecting a proper pipe diameter according to the heat release amount.
The water supply pipeline 6 is provided with an adjusting valve 7 for adjusting water pressure and flow.
The radiator 8 is formed by connecting a plurality of water pipes in parallel and is arranged up and down along the length direction of the greenhouse, the water supply end of the radiator 8 is connected with the water distributor 11, and the water return end is connected with the water collector 12.
The water supply pipeline 6, the radiator 8 and the water return pipeline 10 are all arranged on the south side in the greenhouse; when sunlight exists, the solar heat collector is used, and when sunlight does not exist, the solar heat collector is used as a heat radiator.
The beneficial effects of the utility model reside in that:
1) the device is arranged at the bottom of the south wall, water is used as a heat release medium, and heat accumulated in the daytime is released at night, so that the requirement of sunlight greenhouse crops is met.
2) The radiators of the device are arranged in parallel, the water flow resistance is low, and the hydraulic loss can be greatly reduced.
3) The device is easy to install, low in cost, high in universality, simple and convenient to operate, economical and practical.
4) The device can set different critical temperatures at different periods to meet the actual production requirements. Ordered heat release is achieved.
5) The device can improve the indoor temperature at night, is favorable for plant growth, reduces the occurrence of diseases and improves the quality of products.
6) The device is arranged at the bottom of the south wall, does not occupy the planting area, and can heat the greenhouse without influencing the normal planting of the greenhouse.
7) The device acts on the crop canopy area, and improves the utilization rate of solar energy.
Drawings
FIG. 1 is a schematic structural diagram of a water circulation heat release device of a sunlight greenhouse.
Detailed Description
The utility model provides a water circulation heat release device for a sunlight greenhouse; the water circulation heat release device and the heat storage device are separated and are arranged at the lower part of the sunlight greenhouse. The developed heat releasing device can be combined with various solar energy utilization systems with water circulation heat storage. When releasing heat at night, the heat release mode is started, when the heat release is carried out in the lower space, the hot air can be diffused to the crop canopy area quickly, and meanwhile, the purpose of heating the whole planting area can be achieved by utilizing the principle of floating of the hot air. The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of a water circulation heat release device of a sunlight greenhouse. The water circulation heat release device comprises a reservoir 1, a circulating water pump 2, a water temperature sensor 3, a room temperature sensor 4, an automatic control system 5, a water supply pipeline 6, an adjusting valve 7, a radiator 8, an automatic exhaust valve 9, a water return pipeline 10, a water separator 11 and a water collector 12. Wherein, the circulating water pump 2 is arranged in the reservoir 1; a water inlet of the circulating water pump 2 is submerged in the water storage tank 1, and a water outlet of the circulating water pump is communicated with the water supply pipeline 6; the water supply pipeline 6 is communicated with a water separator 11, and the water separator 11 is communicated with a water supply end of a radiator 8; the return water end of the radiator 8 is communicated with the water collector 12; an automatic exhaust valve 9 is arranged at the upper end of the water collector 12 and used for exhausting air in the device to ensure that a water path is smooth; the reservoir 1 is communicated with a water return pipeline 10, and the water return pipeline 10 is connected with a water collector 12; a water temperature sensor 3 is arranged in the reservoir 1; and the automatic control system 5 is respectively connected with the circulating water pump 2, the water temperature sensor 3 and the room temperature sensor 4.
The circulating water pump 2 is a submersible pump, and a proper water pump is selected according to actual needs.
The water supply pipeline 6, the radiator 8, the water return pipeline 10, the water separator 11 and the water collector 12 are made of U-PVC or PPR plastic or galvanized iron pipes; and selecting a proper pipe diameter according to the heat release amount.
The water supply pipeline 6 is provided with an adjusting valve 7 for adjusting water pressure and flow.
The radiator 8 is formed by connecting a plurality of water pipes in parallel and is arranged up and down along the length direction of the greenhouse, the water supply end of the radiator 8 is connected with the water distributor 11, and the water return end is connected with the water collector 12.
The water supply pipeline 6, the radiator 8 and the water return pipeline 10 are all arranged on the south side in the greenhouse; when sunlight exists, the solar heat collector is used, and when sunlight does not exist, the solar heat collector is used as a heat radiator.
The utility model discloses the working process does:
the automatic control system 5 is activated to set the maximum and minimum temperatures of the water temperature sensor 3 and the minimum temperature of the room temperature sensor 4. The water temperature sensor 3 and the room temperature sensor 4 detect the water temperature and the room temperature at regular time.
In the evening: when the room temperature detected by the room temperature sensor 4 is lower than the lowest room temperature and the water temperature detected by the water temperature sensor 3 is higher than the lowest temperature, the automatic control system 5 starts the circulating water pump 2 to enable water in the water storage tank 1 to circularly flow through the water supply pipeline 6, the water distributor 11, the radiator 9, the water collector 12 and the water return pipeline 10 in sequence. When water flows through the radiator 8, heat in the water is continuously transferred to indoor air through the radiator 8, and the water after heat release flows back to the reservoir 1 through the water return pipeline 10. The temperature in the hot room is raised by releasing the heat in the water into the room; while the temperature of the water in the reservoir 1 is constantly decreasing.
When the room temperature detected by the room temperature sensor 4 is greater than the lowest room temperature or the water temperature detected by the water temperature sensor 3 is less than the lowest water temperature, the automatic control device 5 closes the circulating water pump 2, and the heat release operation is stopped.
To sum up, the utility model is used for sunlight greenhouse's heat release device releases night through the heat with solar heat energy storage daytime in the pond, improves the temperature in greenhouse, and under automatic control's condition, can realize thermal orderly release.
Claims (6)
1. A water circulation heat release device for a sunlight greenhouse; the solar greenhouse separates the water circulation heat release device from the heat storage device by using the water circulation heat release device, and is arranged at the lower part of the solar greenhouse; the heat release device is combined with various solar energy utilization systems with water circulation heat storage; the solar greenhouse water circulation heat release device is characterized by comprising a water storage tank (1), a water circulation pump (2), a water temperature sensor (3), a room temperature sensor (4), an automatic control system (5), a water supply pipeline (6), an adjusting valve (7), a radiator (8), an automatic exhaust valve (9), a water return pipeline (10), a water distributor (11) and a water collector (12); wherein the circulating water pump (2) is arranged in the reservoir (1); a water inlet of the circulating water pump (2) is submerged in the water storage tank (1), and a water outlet of the circulating water pump is communicated with the water supply pipeline (6); the water supply pipeline (6) is communicated with the water distributor (11), and the water distributor (11) is communicated with the water supply end of the radiator (8); the return water end of the radiator (8) is communicated with the water collector (12); an automatic exhaust valve (9) is arranged at the upper end of the water collector (12) and is used for exhausting air in the device to ensure that the water way is smooth; the reservoir (1) is communicated with a water return pipeline (10), and the water return pipeline (10) is connected with a water collector (12); a water temperature sensor (3) is arranged in the reservoir (1); and the automatic control system (5) is respectively connected with the circulating water pump (2), the water temperature sensor (3) and the room temperature sensor (4).
2. The water circulation heat release device for the solar greenhouse according to claim 1; the device is characterized in that the circulating water pump (2) is a submersible pump, and a proper water pump is selected according to actual needs.
3. The water circulation heat release device for the solar greenhouse according to claim 1; the water supply system is characterized in that the water supply pipeline (6), the radiator (8), the water return pipeline (10), the water distributor (11) and the water collector (12) are made of U-PVC or PPR plastic or galvanized iron pipes; and selecting a proper pipe diameter according to the heat release amount.
4. The water circulation heat release device for the solar greenhouse according to claim 1; the water supply pipeline (6) is provided with an adjusting valve (7) for adjusting water pressure and flow.
5. The water circulation heat release device for the solar greenhouse according to claim 1; the greenhouse is characterized in that the radiator (8) is formed by connecting a plurality of water pipes in parallel and is arranged up and down along the length direction of the greenhouse, the water supply end of the radiator (8) is connected with the water distributor (11), and the water return end is connected with the water collector (12).
6. The water circulation heat release device for the solar greenhouse according to claim 1; the greenhouse is characterized in that the water supply pipeline (6), the radiator (8) and the water return pipeline (10) are all arranged on the south side in the greenhouse; when sunlight exists, the solar heat collector is used, and when sunlight does not exist, the solar heat collector is used as a heat radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201061.5U CN212013820U (en) | 2020-02-24 | 2020-02-24 | Water circulation heat release device for sunlight greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201061.5U CN212013820U (en) | 2020-02-24 | 2020-02-24 | Water circulation heat release device for sunlight greenhouse |
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| Publication Number | Publication Date |
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| CN212013820U true CN212013820U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020201061.5U Active CN212013820U (en) | 2020-02-24 | 2020-02-24 | Water circulation heat release device for sunlight greenhouse |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342712A (en) * | 2021-12-03 | 2022-04-15 | 济南佰福康物联网技术有限公司 | System for comprehensively utilizing solar dehumidification and heating of greenhouse and working method thereof |
-
2020
- 2020-02-24 CN CN202020201061.5U patent/CN212013820U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342712A (en) * | 2021-12-03 | 2022-04-15 | 济南佰福康物联网技术有限公司 | System for comprehensively utilizing solar dehumidification and heating of greenhouse and working method thereof |
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