CN215223431U - Accurate temperature control system of greenhouse - Google Patents
Accurate temperature control system of greenhouse Download PDFInfo
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- CN215223431U CN215223431U CN202120894681.6U CN202120894681U CN215223431U CN 215223431 U CN215223431 U CN 215223431U CN 202120894681 U CN202120894681 U CN 202120894681U CN 215223431 U CN215223431 U CN 215223431U
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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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Abstract
The utility model discloses an accurate temperature control system in greenhouse, including the greenhouse, the branch has the multiunit wind gap in the greenhouse, and every group wind gap corresponds a heat sink and a rising temperature device. Temperature evenly distributed in the greenhouse can be realized, and accurate temperature control is realized. When needing the cooling, the fan, the cold air valve, compressor and humidifier are opened, gas in the greenhouse is from first wind gap through first main tuber pipe, first cold air pipe to heat sink, reduce the temperature in the heat sink, the moisture liquefaction that contains in the gas, the water content has been reduced, in the water tank is gone into through the heat sink to the liquefied water, the resource has been practiced thrift, at the in-process of cooling, humidifier in the water tank is also working simultaneously, with the moisture of loss in the make-up gas, make the gas humidity who returns the greenhouse from the heat sink unchangeable, avoid causing the influence to greenhouse humidity because of the cooling. The gas cooled by the cooling device passes through the second cold air pipe and the second main air pipe to the second air port and returns to the greenhouse from the second air port, so that the temperature in the greenhouse can be reduced.
Description
Technical Field
The utility model relates to a greenhouse technical field especially relates to an accurate temperature control system in greenhouse.
Background
The greenhouse is also called a greenhouse, is a facility for cultivating plants, can cultivate different plants through the greenhouse in seasons unsuitable for plant growth, and can be used for people to eat fruits and vegetables which are wanted to eat at any time at present and is obtained through greenhouse cultivation. The existing greenhouse has certain disadvantages when in use, for example, when the area of the greenhouse is large, the phenomenon of uneven temperature distribution can occur in the greenhouse, and the temperature of some positions is higher and the temperature of some positions is lower. In addition, moisture in the air can be condensed out during temperature reduction, and the humidity of the air can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an accurate temperature control system in greenhouse to the not enough of above-mentioned prior art.
In order to solve the above problems, the utility model adopts the following technical proposal:
the utility model provides an accurate temperature control system in greenhouse, includes the greenhouse, the branch has the multiunit wind gap in the greenhouse, and every group wind gap corresponds a heat sink and a rising temperature device, heat sink and rising temperature device set up in the greenhouse outside, heat sink includes water tank, humidifier and refrigeration subassembly, water tank one side is equipped with the cooling pipe, and the opposite side is equipped with the cold wind outlet pipe, cooling pipe and cold wind outlet pipe all set up in the upper portion of water tank side. The humidifier is arranged at the bottom of the water tank, the refrigeration assembly comprises an evaporator, a condenser and a compressor, the evaporator is arranged in the cooling pipe, the condenser and the compressor are arranged outside the water tank, the evaporator, the condenser and the compressor are connected into a circulation loop through a refrigerant circulation pipe, the heating device comprises a heating box body, an electric heating device is arranged in the heating box body, a hot air inlet pipe is arranged at one side of the heating box body, a hot air outlet pipe is arranged at the other side of the heating box body, each group of air ports comprises a first air port and a second air port, the first air port is connected with a first main air pipe, a fan is arranged on the first main air pipe, the second air port is connected with a second main air pipe, the cooling pipe is communicated with the first main air pipe through a first cold air pipe, a cold air valve is arranged on the first cold air pipe, and the cold air outlet pipe is communicated with the second main air pipe through a second cold air pipe, the hot air inlet pipe is communicated with the first main air pipe through a first hot air pipe, a hot air valve is arranged on the first hot air pipe, and the hot air outlet pipe is communicated with the second main air pipe through a second hot air pipe.
A further technical scheme is that the cooling pipe is obliquely arranged, and one end connected with the water tank is lower than the other end.
The technical scheme is that a water storage tank is arranged above the water tank, a water adding pipe is arranged inside the water tank, the lower end of the water adding pipe extends to the bottom of the water tank and is located above the humidifier, and the upper end of the water adding pipe is communicated with the water storage tank.
According to a further technical scheme, a temperature sensor and a controller are arranged in the area where each group of air ports is located, and the humidifier, the compressor, the electric heating device, the fan, the cold air valve, the hot air valve and the temperature sensor are connected with the controller.
The further technical proposal is that the first main air pipe is provided with a filter. The filter is used for filtering the gas and filtering out dust, impurities and the like in the gas.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the multiple groups of air ports are uniformly arranged inside the greenhouse, each air port corresponds to one cooling device and one heating device, the temperature in the greenhouse can be uniformly distributed, and accurate temperature control is realized. The utility model discloses a mode of inner loop, the gas temperature in the greenhouse is compared and is more close to required temperature in the air of external world, consequently compares in the extrinsic cycle (use the outside air), more energy-conserving. When the temperature needs to be raised, the fan, the hot air valve and the electric heating device are opened, the gas in the greenhouse flows from the first air port to the temperature raising device through the first main air pipe and the first hot air pipe, the gas in the greenhouse flows from the second hot air pipe and the second main air pipe to the second air port after the temperature in the temperature raising device is raised, and the gas returns to the greenhouse from the second air port, so that the temperature in the greenhouse can be raised. When needing the cooling, the fan, the cold air valve, compressor and humidifier are opened, gas in the greenhouse is from first wind gap through first main tuber pipe, first cold air pipe to heat sink, the effect through the evaporimeter in the heat sink, the lowering temperature, the moisture liquefaction that contains in the gas simultaneously, the water content has been reduced, in the cooling pipe inflow water tank of liquefied water through the slope, the resource has been practiced thrift, at the in-process of cooling, humidifier in the water tank is also working simultaneously, with the moisture of loss in the make-up gas, make the gas humidity who returns the greenhouse from the heat sink unchangeable, avoid causing the influence to greenhouse humidity because of the cooling. The gas cooled by the cooling device passes through the second cold air pipe and the second main air pipe to the second air port and returns to the greenhouse from the second air port, so that the temperature in the greenhouse can be reduced. The filter on the pipeline can filter the gas and filter out dust, magazines and the like in the gas. The water adding pipe is matched with the water storage tank, so that water can be supplemented when the liquid level in the water tank is lower than the lower end of the water adding pipe, and the water in the water tank is always higher than the humidifier.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a cooling device;
fig. 3 is a schematic structural view of the temperature increasing device.
In the figure: 1. a greenhouse; 2. a cooling device; 2-1, a water tank; 2-2, a humidifier; 2-3, cooling pipes; 2-4, a cold air outlet pipe; 2-5, an evaporator; 2-6, a condenser; 2-7, a compressor; 2-8, a water storage tank; 2-9 parts of a water adding pipe; 3. a temperature raising device; 3-1, heating a box body; 3-2, an electric heating device; 3-3, a hot air inlet pipe; 3-4, a hot air outlet pipe; 4. a first tuyere; 5. a second tuyere; 6. a first main air duct; 7. a second main air duct; 8. a first cold air duct; 9. a cold air valve; 10. a second cold air pipe; 11. a first hot air duct; 12. a second hot air duct; 13. a fan; 14. a temperature sensor; 15. a controller; 16. a hot air valve; 17. and (3) a filter.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, an accurate temperature control system of a greenhouse comprises a greenhouse 1, a plurality of groups of air ports are distributed in the greenhouse 1, each group of air ports corresponds to one cooling device 2 and one heating device 3, the cooling devices 2 and the heating devices 3 are arranged outside the greenhouse 1, each cooling device 2 comprises a water tank 2-1, a humidifier 2-2 and a refrigeration assembly, a cooling pipe 2-3 is arranged on one side of the water tank 2-1, a cold air outlet pipe 2-4 is arranged on the other side of the water tank 2-1, and the cooling pipe 2-3 and the cold air outlet pipe 2-4 are both arranged on the upper portion of the side edge of the water tank 2-1. The humidifier 2-2 is arranged at the bottom of the water tank 2-1, the refrigeration assembly comprises an evaporator 2-5, a condenser 2-6 and a compressor 2-7, the evaporator 2-5 is arranged in the cooling pipe 2-3, the condenser 2-6 and the compressor 2-7 are arranged outside the water tank 2-1, the evaporator 2-5, the condenser 2-6 and the compressor 2-7 are connected into a circulation loop through a refrigerant circulation pipe, the heating device 3 comprises a heating tank body 3-1, an electric heating device 3-2 is arranged in the heating tank body 3-1, a hot air inlet pipe 3-3 is arranged on one side of the heating tank body 3-1, a hot air outlet pipe 3-4 is arranged on the other side of the heating tank body 3-1, and each group of air ports comprises a first air port 4 and a second air port 5, the first air port 4 is connected with a first main air pipe 6, a fan 13 is arranged on the first main air pipe 6, the second air port 5 is connected with a second main air pipe 7, the cooling pipes 2-3 are communicated with the first main air pipe 6 through a first cold air pipe 8, a cold air valve 9 is arranged on the first cold air pipe 8, the cold air outlet pipes 2-4 are communicated with the second main air pipe 7 through a second cold air pipe 10, the hot air inlet pipes 3-3 are communicated with the first main air pipe 6 through a first hot air pipe 11, a hot air valve 16 is arranged on the first hot air pipe 11, and the hot air outlet pipes 3-4 are communicated with the second main air pipe 7 through a second hot air pipe 12.
Wherein, the cooling pipe 2-3 is obliquely arranged, and one end connected with the water tank 2-1 is lower than the other end. The electric heating device 3-2 is an electric heating plate or a PTC thermistor.
And a filter 17 is arranged on the first main air pipe 6. The filter is used for filtering the gas and filtering out dust, impurities and the like in the gas.
When the temperature needs to be raised, the fan 13, the hot air valve 16 and the electric heating device 3-2 are opened, the gas in the greenhouse 1 passes through the first main air pipe 6 and the first hot air pipe 11 from the first air port 4 to the temperature raising device 3, rises the temperature in the temperature raising device 3, then passes through the second hot air pipe 12 and the second main air pipe 7 to the second air port 5, and returns to the greenhouse 1 from the second air port 5, so that the temperature in the greenhouse can be raised. When the temperature needs to be reduced, the fan 1, the cold air valve 9, the compressor 2-7 and the humidifier 2-2 are opened, the air in the greenhouse 1 flows from the first air port 4 to the cooling device 2 through the first main air pipe 6 and the first cold air pipe 8, the temperature is reduced in the cooling pipe 2-3 under the action of the evaporator 2-5, meanwhile, moisture contained in the air is liquefied, the water content is reduced, the liquefied water flows into the water tank 2-1 through the inclined cooling pipe 2-3, resources are saved, and in the process of cooling, the humidifier 2-2 in the water tank also works at the same time to supplement the moisture lost in the air, so that the humidity of the air returning to the greenhouse from the cooling device 2 is unchanged, and the influence on the humidity of the greenhouse due to cooling is avoided. The gas cooled by the cooling device 2 passes through the second cold air pipe 10 and the second main air pipe 7 to the second air port 5 and returns to the greenhouse 1 from the second air port 5, so that the temperature in the greenhouse can be reduced.
Preferably, a water storage tank 2-8 is arranged above the water tank 2-1, a water adding pipe 2-9 is arranged inside the water tank 2-1, the lower end of the water adding pipe 2-9 extends to the bottom of the water tank 2-1 and is positioned above the humidifier 2-2, and the upper end of the water adding pipe 2-9 is communicated with the water storage tank 2-8. The water adding pipe 2-9 is matched with the water storage tank 2-8, and water can be supplemented when the liquid level in the water tank 2-1 is lower than the lower end of the water adding pipe 2-9, so that the water in the water tank 2-1 is always higher than the humidifier 2-2.
The cold air valve 9 and the hot air valve 16 are both solenoid valves.
The area where each group of air ports is located is provided with a temperature sensor 14 and a controller 15, and the humidifier 2-2, the compressor 2-7, the electric heating device 3-2, the fan 13, the cold air valve 9, the hot air valve 16 and the temperature sensor 14 are all connected with the controller 15. The temperature sensor 14 is used for detecting the temperature of the greenhouse; the controller 15 is configured to receive the greenhouse temperature value sent by the temperature sensor 14, and send a control instruction to the cooling device 2, the heating device 3, the cold air valve 9, the hot air valve 16, and the fan 13 that are located in the same group as the temperature sensor 14 according to the greenhouse temperature value. The temperature sensor 14 is used for detecting the temperature of the greenhouse, and the controller 15 sends control instructions to the cooling device 2, the heating device 3, the cold air valve 9, the hot air valve 16 and the fan 13 which are in the same group with the temperature sensor 14 according to the greenhouse temperature value, which belongs to the conventional technology in the field and will not be described in detail herein.
The using method comprises the following steps: assuming that the required temperature of the greenhouse is 18-30 deg.c, a first threshold value of 18 deg.c, a second threshold value of 25 deg.c and a third threshold value of 30 deg.c are set.
When the temperature sensor 14 detects that the temperature is lower than the first threshold value, the controller 15 controls the fan 13, the hot air valve 16 and the electric heating device 3-2 to be opened, the gas in the greenhouse 1 passes through the first air inlet 4, the first hot air pipe 6 and the first hot air pipe 11 to reach the temperature raising device 3, the gas in the temperature raising device 3 raises the temperature and then passes through the second hot air pipe 12, the second main air pipe 7 to reach the second air inlet 5 to return to the greenhouse 1 from the second air inlet 5, the temperature in the greenhouse can be raised, and when the temperature sensor 14 detects that the temperature reaches the second threshold value, the controller 15 controls the fan 13, the hot air valve 16 and the electric heating device 3-2 to be closed.
When the temperature sensor 14 detects that the temperature is higher than the third threshold value, the controller 15 controls the fan 13, the cold air valve 9, the humidifier 2-2 and the compressor 2-7 to be opened, the gas in the greenhouse 1 flows from the first air port 4 to the cooling device 2 through the first main air pipe 6 and the first cold air pipe 8, the temperature is reduced in the cooling pipe 2-3 under the action of the evaporator 2-5, meanwhile, moisture contained in the gas is liquefied, the moisture content is reduced, the liquefied water flows into the water tank 2-1 through the inclined cooling pipe 2-3, resources are saved, and in the cooling process, the humidifier 2-2 in the water tank also works at the same time to supplement the moisture lost in the gas, so that the humidity of the gas returned from the cooling device 2 to the greenhouse is unchanged, and the influence on the humidity of the greenhouse due to cooling is avoided. The gas cooled by the cooling device 2 passes through the second cold air pipe 10 and the second main air pipe 7 to the second air port 5 and returns to the greenhouse 1 from the second air port 5, so that the temperature in the greenhouse can be reduced. When the temperature sensor 14 detects that the temperature reaches a second threshold value, the controller 15 controls the fan 13, the cold air valve 9, the humidifier 2-2 and the compressor 2-7 to be closed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (5)
1. The utility model provides an accurate temperature control system in greenhouse, includes greenhouse (1), its characterized in that: the greenhouse is characterized in that a plurality of groups of air ports are distributed in the greenhouse (1), each group of air ports corresponds to one cooling device (2) and one heating device (3), the cooling devices (2) and the heating devices (3) are arranged outside the greenhouse (1), each cooling device (2) comprises a water tank (2-1), a humidifier (2-2) and a refrigerating assembly, one side of each water tank (2-1) is provided with a cooling pipe (2-3), the other side of each water tank is provided with a cold air outlet pipe (2-4), the humidifier (2-2) is arranged at the bottom of the water tank (2-1), each refrigerating assembly comprises an evaporator (2-5), a condenser (2-6) and a compressor (2-7), the evaporator (2-5) is arranged in the cooling pipe (2-3), and the condenser (2-6) and the compressor (2-7) are arranged outside the water tank (2-1), the evaporator (2-5), the condenser (2-6) and the compressor (2-7) are connected into a circulation loop through a refrigerant circulation pipe, the heating device (3) comprises a heating box body (3-1), an electric heating device (3-2) is arranged in the heating box body (3-1), a hot air inlet pipe (3-3) is arranged on one side of the heating box body (3-1), a hot air outlet pipe (3-4) is arranged on the other side of the heating box body, each group of air ports comprises a first air port (4) and a second air port (5), the first air port (4) is connected with a first main air pipe (6), a fan (13) is arranged on the first main air pipe (6), the second air port (5) is connected with a second main air pipe (7), and the cooling pipe (2-3) is communicated with the first main air pipe (6) through a first cold air pipe (8), the hot air cooling device is characterized in that a cold air valve (9) is arranged on the first cold air pipe (8), the cold air outlet pipe (2-4) is communicated with the second main air pipe (7) through a second cold air pipe (10), the hot air inlet pipe (3-3) is communicated with the first main air pipe (6) through a first hot air pipe (11), a hot air valve (16) is arranged on the first hot air pipe (11), and the hot air outlet pipe (3-4) is communicated with the second main air pipe (7) through a second hot air pipe (12).
2. The accurate temperature control system of the greenhouse according to claim 1, wherein: the cooling pipe (2-3) is obliquely arranged, and one end connected with the water tank (2-1) is lower than the other end.
3. The accurate temperature control system of the greenhouse according to claim 1, wherein: a water storage tank (2-8) is arranged above the water tank (2-1), a water adding pipe (2-9) is arranged inside the water tank (2-1), the lower end of the water adding pipe (2-9) extends to the bottom of the water tank (2-1) and is located above the humidifier (2-2), and the upper end of the water adding pipe (2-9) is communicated with the water storage tank (2-8).
4. The accurate temperature control system of the greenhouse according to claim 1, wherein: the area where each group of air ports is located is provided with a temperature sensor (14) and a controller (15), and the humidifier (2-2), the compressor (2-7), the electric heating device (3-2), the fan (13), the cold air valve (9), the hot air valve (16) and the temperature sensor (14) are all connected with the controller (15).
5. The accurate temperature control system of the greenhouse according to claim 1, wherein: and a filter (17) is arranged on the first main air pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120894681.6U CN215223431U (en) | 2021-04-28 | 2021-04-28 | Accurate temperature control system of greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120894681.6U CN215223431U (en) | 2021-04-28 | 2021-04-28 | Accurate temperature control system of greenhouse |
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| Publication Number | Publication Date |
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| CN215223431U true CN215223431U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120894681.6U Active CN215223431U (en) | 2021-04-28 | 2021-04-28 | Accurate temperature control system of greenhouse |
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| CN (1) | CN215223431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505996A (en) * | 2022-02-12 | 2022-05-17 | 高文强 | Water-soluble polyethylene film heat setting equipment |
-
2021
- 2021-04-28 CN CN202120894681.6U patent/CN215223431U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505996A (en) * | 2022-02-12 | 2022-05-17 | 高文强 | Water-soluble polyethylene film heat setting equipment |
| CN114505996B (en) * | 2022-02-12 | 2023-09-19 | 汕头市精塑包装材料有限公司 | Water-soluble polyvinyl alcohol film heat setting equipment |
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