CN106718358A - A kind of temperature canopy and its environmental control system - Google Patents
A kind of temperature canopy and its environmental control system Download PDFInfo
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- CN106718358A CN106718358A CN201611207997.3A CN201611207997A CN106718358A CN 106718358 A CN106718358 A CN 106718358A CN 201611207997 A CN201611207997 A CN 201611207997A CN 106718358 A CN106718358 A CN 106718358A
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- heat exchanger
- temperature
- canopy
- pond
- refrigerant
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/246—Air-conditioning systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/20—Sunlight
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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
-
- 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
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention discloses a kind of temperature canopy environmental control system, the parts such as including pond heat exchanger, main heat exchanger, supplementary heat exchanger, compressor, pond heat exchanger is arranged in the pond in warm canopy, in pond, heat exchanger is connected with supplementary heat exchanger, main heat exchanger is arranged at outside warm canopy, pond heat exchanger, between main heat exchanger, supplementary heat exchanger and compressor by refrigerant pipeline connect, control assembly is provided with refrigerant pipeline, control assembly is connected with master control set.A set of air source heat pump heat-exchange system is constituted in warm canopy environment by compressor, main heat exchanger, supplementary heat exchanger and pond heat exchanger jointly, to carrying out heat exchange between the surrounding enviroment outside Wen Peng and warm canopy, the carrying out of this heat exchanging process is aided in by the pond in warm canopy, can specific aim effectively adjust the temperature of warm canopy, while realize heating up and cooling work；Homogeneous system unitary function is solved, specific aim is poor, it is difficult to create the problem most beneficial for crop growth environment.
Description
Technical field
The present invention relates to warm canopy equipment technical field, more specifically to a kind of temperature canopy environmental control system, further relate to
A kind of temperature canopy.
Background technology
China's greenhouse cultivation quickly grows in recent years, it has also become the opera involving much singing and action of agricultural production exploitation, is that vast farmerses are shaken off poverty
One of effective way got rich.
And the method for existing temperature canopy temperature adjustment is a lot, somewhat by electric heat temp.-adjusting, specific embodiment is：When temperature in warm canopy
When degree is less than certain value, start electrical heating to adjust warm canopy environment temperature；More also by underground heat temperature adjustment, by warm canopy itself
Film thermal insulating design, the heat that underground heat is discharged is stored in warm canopy, make warm canopy temperature close in surface temperature, come with this
Keep the constant of warm temperature of shed；Also some warm canopy systems by solar energy temperature-regulating, using solar panels energy absorption as
The thermal source of the warm canopy temperature of regulation；And when canopy temperature is higher, it is general in terms of refrigeration to come real only with fan assisted evaporative
Existing, effect is limited, and other effects of the lifting of refrigeration simultaneous humidity, ventilation reinforcement etc., specific aim is not strong.
It can be seen that, above-mentioned method for regulating temperature unitary function, a whole set of EGR intelligently carries out class ambient parameter regulation control,
It is embodied in, same set of temperature environment control system can only be heated and can not freezed, it is impossible to the actual demand regulation according to long-term cropping
Warm canopy temperature, it is difficult to make plant reach best growth conditions.
In sum, how to efficiently solve in existing temperature canopy that environment environment control system function is single, specific aim is poor, it is difficult
It is current those skilled in the art's urgent problem to create the technical problem of the environment most beneficial for plant growth etc..
The content of the invention
In view of this, first purpose of the invention is to provide a kind of temperature canopy environmental control system, the warm canopy environment control
The design of system processed can efficiently solve in existing temperature canopy that environment environment control system function is single, and specific aim is poor, it is difficult to create
Make the technical problem of environment most beneficial for plant growth etc., second object of the present invention is to provide and a kind of includes above-mentioned temperature canopy
The warm canopy of environmental control system.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme：
A kind of temperature canopy environmental control system, zero including pond heat exchanger, main heat exchanger, supplementary heat exchanger, compressor etc.
Part, the pond heat exchanger is arranged in the pond in warm canopy, and in pond, heat exchanger is connected with supplementary heat exchanger, the main heat exchange
Device is arranged at outside warm canopy, the pond heat exchanger, between main heat exchanger, supplementary heat exchanger and compressor pass through refrigerant pipeline
Connection, is provided with control assembly on the refrigerant pipeline, the control assembly is connected with master control set.
Preferably, in above-mentioned temperature canopy environmental control system, the supplementary heat exchanger include first supplementary heat exchanger and
Second supplementary heat exchanger, is provided with two coolant paths of mutual heat conduction in the supplementary heat exchanger, make heat exchanging process
In refrigerant pass sequentially through in the supplementary heat exchanger two coolant paths heat exchange.
Preferably, in above-mentioned temperature canopy environmental control system, along the circulating direction of refrigerant, second supplementary heat exchanger is set
After the pond heat exchanger, two refrigerants of coolant path passed sequentially through in second supplementary heat exchanger are flowing back to pressure
Before contracting machine, absorb through the waste heat of the refrigerant after the heat exchanger heat release of pond, for improving while system heating capacity, realize to flowing into
The supercooling of outdoor main heat exchanger refrigerant.
Preferably, in above-mentioned temperature canopy environmental control system, along the circulating direction of refrigerant, first supplementary heat exchanger is set
Before the outdoor main heat exchanger, for being by one point of the refrigerant after second supplementary heat exchanger is subcooled first
Two, the refrigerant flow in first supplementary heat exchanger after shunting includes low-temperature enthalpy-increasing branch road and main refrigeration system stream, flows through
The waste heat that the refrigerant absorption of the low-temperature enthalpy-increasing branch road flows through main refrigeration circuit refrigerant realizes low-temperature enthalpy-increasing, and to main refrigeration circuit
The secondary supercooling of interior refrigerant.
Preferably, in above-mentioned temperature canopy environmental control system, set between the pond heat exchanger and the second supplementary heat exchanger
There are check valve and choke valve, control refrigerant to flow to by the check valve, by the flow of the throttle valve control refrigerant.
Preferably, in above-mentioned temperature canopy environmental control system, the control assembly includes being arranged at the refrigerant pipeline in institute
The four-way valve of compressor delivery outlet one end is stated, stop valve and throttling are provided between the four-way valve and the second supplementary heat exchanger
Valve, refrigeration control is realized by the stop valve and the throttle valve control cold medium flux.
Preferably, in above-mentioned temperature canopy environmental control system, it is provided between the reservoir and the first supplementary heat exchanger and is cut
Only valve and choke valve, refrigeration control is realized by the stop valve and the throttle valve control cold medium flux.
Preferably, in above-mentioned temperature canopy environmental control system, it is provided between the main heat exchanger and the first supplementary heat exchanger
Check valve and choke valve, refrigeration control is realized by the check valve and the throttle valve control cold medium flux.
Preferably, in above-mentioned temperature canopy environmental control system, the master control set is connected with for detecting warm temperature of shed
Temperature sensor, and for detecting the optical sensor of intensity of illumination in warm canopy, the master control set can be according to the temperature passed back
Degree signal and luminance signal targetedly control the work of the compressor and control assembly, targetedly to control temperature in warm canopy
Degree；Within the specific limits, with the raising of intensity of illumination, the temperature in the warm canopy of lifting of adaptability, with the drop of intensity of illumination
It is low, the temperature in the warm canopy of reduction of adaptability.
Preferably, in above-mentioned temperature canopy environmental control system, also including spray system and humidity sensor, the spray system
Including spray drive device, the spray drive device is connected with the pond in warm canopy；The humidity sensor and the spray
System is connected with the master control set, and the master control set targetedly controls the spray by moisture signal and luminance signal
Pouring system job control temperature canopy humidity；Within the specific limits, it is wet in the warm canopy of lifting of adaptability with the raising of intensity of illumination
Degree, with the reduction of intensity of illumination, the humidity in the warm canopy of reduction of adaptability.
Preferably, in above-mentioned temperature canopy environmental control system, also including being connected compound ventilation air-changing device with the master control set, institute
Master control set is stated according to the luminance signal, the compound ventilation air-changing device is targetedly controlled；Within the specific limits, with illumination
The raising of intensity, the working strength of the lifting compound ventilation air-changing device of adaptability, with the reduction of intensity of illumination, the reduction of adaptability
The working strength of compound ventilation air-changing device.
Preferably, in above-mentioned temperature canopy environmental control system, the pond in warm canopy is provided with water-level control apparatus, including
Water pipe and discharge pipe line, and the altitude valve on the water pipe and discharge pipe line is respectively arranged at, the water level
Control valve is respectively connected with the water level switch for being arranged at the pond.
Preferably, in above-mentioned temperature canopy environmental control system, the altitude valve is connected with the master control set, the master
Control device includes timing module, and single voiding operation is carried out to the pond at interval of Preset Time.
The warm canopy environmental control system that the present invention is provided, pond heat exchanger, main heat exchanger, compressor, the pond heat exchange
Device is arranged in the pond in warm canopy, and the main heat exchanger is arranged at outside warm canopy, the pond heat exchanger, main heat exchanger and pressure
Connected by refrigerant pipeline between contracting machine, control assembly is provided with the refrigerant pipeline, the control assembly is filled with master control
Put connection.This temperature canopy environmental control system provided using the present invention, by compressor, main heat exchanger and pond heat exchanger
A set of air source heat pump heat-exchange system is constituted in warm canopy environment jointly, to being carried out between the surrounding enviroment outside Wen Peng and warm canopy
Heat exchange, the carrying out of this heat exchanging process is aided in by the pond in warm canopy, can specific aim effectively adjust the temperature of warm canopy
Degree, set of system can realize the work for heating up and lowering the temperature simultaneously, and introduce water source changing as auxiliary heat exchange in warm canopy
Thermal medium, the effect with low-energy-consumption high-efficiency；The temperature in warm canopy can be made to be maintained at the temperature most useful for plant growth in canopy
In the range of degree, efficiently solve in existing temperature canopy that environment environment control system function is single, specific aim is poor, it is difficult to which creation most has
The technical problem of the environment beneficial to plant growth etc..
In order to reach above-mentioned second purpose, present invention also offers a kind of temperature canopy, the warm canopy includes any of the above-described kind of temperature
Canopy environmental control system.Because above-mentioned warm canopy environmental control system has above-mentioned technique effect, with the warm canopy environmental Kuznets Curves
The warm canopy of system should also have corresponding technique effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of temperature canopy environmental control system provided in an embodiment of the present invention.
Marked in accompanying drawing as follows：
Four-way valve 1, compressor 2, choke valve 3, the first supplementary heat exchanger 4, stop valve 6, reservoir 7, check valve 8, master change
Hot device 9, altitude valve 10, the second supplementary heat exchanger 14, spray drive device 19, pond heat exchanger 22.
Specific embodiment
The embodiment of the invention discloses a kind of temperature canopy environmental control system, to solve environment environmental Kuznets Curves system in existing temperature canopy
System unitary function, specific aim is poor, it is difficult to technical problem of the creation most beneficial for the environment etc. of plant growth.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, Fig. 1 is the schematic diagram of temperature canopy environmental control system provided in an embodiment of the present invention.
The warm canopy environmental control system that the present invention is provided, pond heat exchanger 22, main heat exchanger 9, compressor 2, the pond
Heat exchanger 22 is arranged in the pond in warm canopy, and the main heat exchanger 9 is arranged at outside warm canopy, and the pond heat exchanger 22, master change
Connected by refrigerant pipeline between hot device 9 and compressor 2, control assembly, the control are provided with the refrigerant pipeline
Component is connected with master control set.
Wherein it should be noted that the pond in warm canopy is mainly used as the intermediary of heat exchange in the present embodiment, lead to
Cross the heat exchange between air and outside air, certain water in the warm canopy of good realization that exchanges heat of refrigerant pipeline and pond reclaimed water
Pond also can in systems play other effects and such as supply spray irrigation water.Control assembly includes various switches, control valve
Deng, it is electrically connected with master control set, by master control set unify regulated and controled, accurately to realize the temperature control of system.
This temperature canopy environmental control system provided using the present invention, is exchanged heat by compressor, main heat exchanger and pond
Device constitutes a set of air source heat pump heat-exchange system in warm canopy environment jointly, to entering between the surrounding enviroment outside Wen Peng and warm canopy
The heat exchange of row air, the carrying out of this heat exchanging process is aided in by the pond in warm canopy, can specific aim effectively adjust
The temperature of warm canopy, set of system can realize the work for heating up and lowering the temperature simultaneously, and it is hot as auxiliary to introduce water source in warm canopy
The heat exchange medium of exchange, the effect with low-energy-consumption high-efficiency；The temperature in warm canopy can be made to be maintained at most useful for crop in canopy
Within the temperature range of growth, efficiently solve in existing temperature canopy that environment environment control system function is single, specific aim is poor, it is difficult to
Create the technical problem of the environment etc. most beneficial for plant growth.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, the supplementary heat exchanger includes first supplementary heat exchanger and second supplementary heat exchanger, the auxiliary heat-exchanging
Two coolant paths of mutual heat conduction are provided with device, make the refrigerant in heat exchanging process pass sequentially through in the supplementary heat exchanger
Two coolant paths heat exchange.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, along the circulating direction of refrigerant, second supplementary heat exchanger is arranged at after the pond heat exchanger, passes sequentially through institute
Two refrigerants of coolant path in the second supplementary heat exchanger are stated before compressor is flowed back to, is absorbed after the heat exchanger heat release of pond
The waste heat of refrigerant, for improving while system heating capacity, realizes that convection current enters the supercooling of the main heat exchanger refrigerant of outdoor.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, along the circulating direction of refrigerant, before first supplementary heat exchanger is arranged at the main heat exchanger of the outdoor, for inciting somebody to action
Refrigerant after second supplementary heat exchanger is subcooled first is divided into two, cold after shunting in first supplementary heat exchanger
Matchmaker's stream includes low-temperature enthalpy-increasing branch road and main refrigeration system stream, and the refrigerant absorption for flowing through the low-temperature enthalpy-increasing branch road flows through main system
The waste heat of cold flow road refrigerant realizes low-temperature enthalpy-increasing, and to the secondary supercooling of the refrigerant in main refrigeration circuit.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, check valve and choke valve are provided between the pond heat exchanger and the second supplementary heat exchanger, by the check valve
Control refrigerant flow direction, by the flow of the throttle valve control refrigerant.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, the control assembly includes being arranged at four-way valve of the refrigerant pipeline in described compressor delivery outlet one end, in institute
State and stop valve and choke valve are provided between four-way valve and the second supplementary heat exchanger, by the stop valve and the throttle valve control
Cold medium flux realizes refrigeration control.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, stop valve and choke valve are provided between the reservoir and the first supplementary heat exchanger, by the stop valve and institute
State throttle valve control cold medium flux and realize refrigeration control.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, check valve and choke valve are provided between the main heat exchanger and the first supplementary heat exchanger, by the check valve and
The throttle valve control cold medium flux realizes refrigeration control.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, also including supplementary heat exchanger, the refrigerant that two mutual heat conduction but line isolation are provided with the supplementary heat exchanger leads to
Road, makes the refrigerant in same alternating temperature heat transfer process successively pass twice through the supplementary heat exchanger and exchanges heat.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
Being connected in system, on the refrigerant pipeline has the supplementary heat exchanger 4 of reservoir 7 and first and the second supplementary heat exchanger 14, and described the
The wherein one coolant path connection reservoir 7 of one supplementary heat exchanger 4, the other end of the reservoir 7 is respectively communicated with described the
Be provided with pipeline between two coolant paths of two supplementary heat exchangers 14, with wherein one coolant path controllable opening and closing and
The control valve of flow.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, the control assembly includes being arranged at four-way valve 1 of the refrigerant pipeline in the delivery outlet one end of the compressor 2, and
It is arranged at the automatically controlled section on the refrigerant pipeline near first supplementary heat exchanger 4, the second supplementary heat exchanger 14, main heat exchanger 9
Stream valve 3 and stop valve 6.
The technical scheme provided in above example realizes system increasing enthalpy, and its principle is mainly side pressure during by mesolow
Cissing jet combination cooling, then normally compresses during high pressure, improves compressor air-discharging amount, and lifting heats energy under reaching low temperature environment
The purpose of power.
Wherein be located at figure in the upper end pipeline of reservoir 7 between the pipeline of compressor lower end, include stop valve 6 and throttling
Valve, and it is increasing enthalpy branch road to connect the pipeline portions of the first supplementary heat exchanger 4, during its work, stop valve 6 is opened on increasing enthalpy branch road
When, refrigerant is divided into two after reservoir 7, and the refrigerant on increasing enthalpy branch road flows to choke valve 3 by stop valve 6, through cold after throttling
Matchmaker then flows to First Heat Exchanger interface by choke valve 3, and the refrigerant on increasing enthalpy branch road absorbs through mistake first in First Heat Exchanger
The waste heat of the refrigerant after cold, the refrigerant after heat absorption evaporation flows back to compressor by First Heat Exchanger interface.By following for above-mentioned stream
Ring, system completes enthalpy-increasing function, and the warm canopy of order can still carry out effective heat exchange in the case where ambient temperature is relatively low
Improve the temperature in warm canopy.
In general, the heating operations of the warm canopy environmental control system are as follows：System starts heating operation, and high temperature is high
The refrigerant of pressure flows into the interface D of four-way valve 1 by compressor 2, then flows to the pond heat exchanger 22 in warm canopy by the interface C of four-way valve 1,
Refrigerant carries out heat exchange with the water in pond in pond heat exchanger 22, and the refrigerant after heat release cooling is flowed to by pond heat exchanger 22
Check valve 8, refrigerant then flows to the interface e of the second supplementary heat exchanger 14 by check valve 8, and refrigerant enters in the second supplementary heat exchanger 14
Row heat exchange continues heat release cooling, and the refrigerant after being subcooled first flows to reservoir 7 by the interface f of the second supplementary heat exchanger 14,
Refrigerant then flows to the interface d of the first supplementary heat exchanger 4 by reservoir 7, and refrigerant continues in the first supplementary heat exchanger 4 under worst cold case
Heat release is lowered the temperature, and choke valve 3 is flowed to by the interface c of the first supplementary heat exchanger 4 by the refrigerant after secondary supercooling, is throttled through choke valve 3
Refrigerant afterwards flows to the heat absorption evaporation of main heat exchanger 9, and flowing to four-way valve 1 by main heat exchanger 9 through the refrigerant after evaporation of absorbing heat first connects
Mouth E, then flows to choke valve 3 by the interface S of four-way valve 1, and refrigerant connects by after the throttling of choke valve 3 into the second supplementary heat exchanger 14
Mouth h, refrigerant absorbs the outlet refrigerant waste heat of pond heat exchanger 22 in the second supplementary heat exchanger 14, through cold after evaporation of absorbing heat again
Matchmaker flows back to compressor 2 by the interface g of pond heat exchanger 22.By the circulation of above-mentioned primary flow path, system completes the heating work(to warm canopy
Energy.
In general, the process of refrigerastion of the warm canopy environmental control system is as follows：The refrigerant of HTHP is by compressor 2
The interface D of four-way valve 1 is flowed into, main heat exchanger 9 is then flowed to by the interface E of four-way valve 1, the refrigerant after to the heat release of main heat exchanger 9
The interface c of first supplementary heat exchanger 4 is flowed to by check valve 8, reservoir 7 is then flowed to by the interface d of the first supplementary heat exchanger 4, it is cold
Matchmaker then flows to the interface f of the second supplementary heat exchanger 14 by reservoir 7, is then flowed to by the interface e of the second supplementary heat exchanger 14 and throttled
Valve 3, heat absorption evaporation in pond heat exchanger 22 is flowed to through the refrigerant after throttling, and the refrigerant after heat absorption evaporation flows to the interface of four-way valve 1
C, then flows to stop valve 6 by the interface S of four-way valve 1, and refrigerant then flows to the interface h of the second supplementary heat exchanger 14, connects by stop valve 6
And compressor 2 is flowed back to by the interface g of the second supplementary heat exchanger 14.By the circulation of above-mentioned stream, air source heat pump system completes system
Cold function；The process of refrigerastion can be equally used for completing the defrosting to outside main heat exchanger.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, the master control set is connected with the temperature sensor for detecting warm temperature of shed, and for detecting illumination in warm canopy
The optical sensor of intensity, the master control set can be according to the temperature signal and luminance signal passed back be targetedly controlled
The work of compressor 2 and control assembly, targetedly to control warm temperature of shed；Within the specific limits, with intensity of illumination
Improve, the temperature in the warm canopy of lifting of adaptability, with the reduction of intensity of illumination, the temperature in the warm canopy of reduction of adaptability.
In the technical scheme that the present embodiment is provided, studied through inventor：Plant passes through photosynthesis under conditions of having light
Manufacture organic matter, in certain temperature range, temperature is higher, and plant metabolism is faster, and photosynthetic efficiency is improved, by light
Cooperation manufacture organic matter.Plant consumes organic matter by respiration under not having optical condition, and in certain temperature range, temperature is got over
Low, plant metabolism is slower, and the organic matter of respiration consumption is fewer.
Therefore, the air-source temperature canopy system aids in control compressor by the signal that optical sensor and temperature sensor are passed back
And the operation of each control assembly, so as to the temperature in the warm canopy of the regulation of adaptability.When light reaches some strength requirement, it is
System is according to default high light mode operation：Warm canopy hot operation, compressor and control assembly are run in the range of uniform temperature value,
It is out of service after warm canopy is heated to uniform temperature；When light intensity is less than certain value, system presses dim light mode operation, compression
Machine and control assembly are run within the scope of another relatively low temperature, out of service after warm canopy is heated to peak；And when temperature
When canopy temperature is higher than high light pattern or dim light pattern peak, system switchs to refrigeration mode, when warm canopy temperature is less than certain value
Compressor and control assembly are out of service, are no longer freezed.Designed by above-mentioned functions, system realizes that light sensation controls temperature work(
Energy.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, also including spray system and humidity sensor, the spray system includes spray drive device 19, and the spray drives
Device 19 is connected with the pond in warm canopy；The humidity sensor and the spray system are connected with the master control set, described
Master control set targetedly controls the spray system job control temperature canopy humidity by moisture signal and luminance signal；One
Determine in scope, with the raising of intensity of illumination, the humidity in the warm canopy of lifting of adaptability, with the reduction of intensity of illumination, is adapted to
Property the warm canopy of reduction in humidity.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, also including being connected compound ventilation air-changing device with the master control set, the master control set according to the luminance signal, for
The control compound ventilation air-changing device of property；Within the specific limits, with the raising of intensity of illumination, the lifting ventilation of adaptability
The working strength of device, with the reduction of intensity of illumination, the working strength of the reduction compound ventilation air-changing device of adaptability.
Influence of the technical scheme that the present embodiment is provided mainly for water for plant growth, water is photosynthesis of plant
Raw material, in the case where there is optical condition, suitably increases air humidity, contributes to photosynthesis of plant to manufacture organic matter；Water is also plant battalion
The carrier of matter transportation is supported, the appropriate ambient humidity that reduces helps to suppress plant respiration, reduces energy consumption.
Therefore, under light sensation control, increasing when having light control valve to open number of times on water route, is by spraying for the warm canopy system
System injection steam, realization is watered to warm canopy implants, increases warm canopy humidity, promotes plant manufacture organic matter；By subtracting when not having light
Lack spray system injecting times to reduce warm canopy humidity, suppress plant respiration, reduce organic loss；Additionally, by wet
Degree sensor obtains moisture signal in warm canopy in real time, such as too high for current light situation humidity in warm canopy.At the same time,
System is taken in air the vapor in pond to when heating, it is also possible to increase warm canopy humidity.
Further, water and carbon dioxide are the raw materials of photosynthesis of plant, by photosynthesis by water and carbon dioxide
Synthesis of organic substance and oxygen；Plant respiration consumes organic matter and oxygen, discharges carbon dioxide.Therefore, the warm canopy system exists
Under light sensation control, warm canopy throughput is accelerated when having light, by the air exhauster being arranged in compound ventilation air-changing device on warm canopy and air inlet
Oral replacement temperature canopy air, it is ensured that photosynthesis raw material is continuously provided to plant, improves the generation of photosynthesis organic matter；Subtract when not having light
Few temperature canopy throughput, plant respiration is suppressed with this, and reduction has an opportunity to consume.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, the pond in warm canopy is provided with water-level control apparatus, including water pipe and discharge pipe line, and is respectively arranged at
Altitude valve 10 on the water pipe and discharge pipe line, the altitude valve 10 is respectively connected with and is arranged at the pond
Water level switch.
It is preferred on the basis of above-described embodiment further to optimize above-mentioned technical proposal, above-mentioned temperature canopy environmental Kuznets Curves
In system, the altitude valve 10 is connected with the master control set, and the master control set includes timing module, at interval of default
Time carries out single voiding operation to the pond.
In the technical scheme that above example is provided, system is provided with water level switch in the pond of warm canopy, works as water level in water pool
During higher than certain value, system opens the draining of altitude valve 10 of discharge pipe line；When water level in water pool drops to certain value, system is closed
Close the control valve and stop draining.
After system continuously runs certain hour, the pond acid-base value in warm canopy is changed, and acid-base property vapor is instilled
Seed in warm canopy will cause seed decay.Therefore, by the automatic water changed in pond, the row of opening after system operation certain hour
The draining of altitude valve 10 of water lines, closes altitude valve 10 after pond drains, and then opens the water level of water pipe
Control valve 10 stops moisturizing to pond water filling after water level in water pool reaches certain value
Based on the warm canopy environmental control system provided in above-described embodiment, present invention also offers a kind of temperature canopy, the warm canopy
Including any one warm canopy environmental control system in above-described embodiment.The warm canopy in above-described embodiment is employed due to the warm canopy system
Environmental control system, so the beneficial effect of the warm canopy refer to above-described embodiment.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (14)
1. a kind of temperature canopy environmental control system, it is characterised in that including pond heat exchanger, main heat exchanger, supplementary heat exchanger, compression
The parts such as machine, the pond heat exchanger is arranged in the pond in warm canopy, and pond heat exchanger is connected with supplementary heat exchanger, described
Main heat exchanger is arranged at outside warm canopy, the pond heat exchanger, between main heat exchanger, supplementary heat exchanger and compressor by cold
Matchmaker's pipeline is connected, and control assembly is provided with the refrigerant pipeline, and the control assembly is connected with master control set.
2. temperature canopy environmental control system according to claim 1, it is characterised in that the supplementary heat exchanger includes described the
One supplementary heat exchanger and second supplementary heat exchanger, are provided with two refrigerants of mutual heat conduction in each described supplementary heat exchanger
Path, makes the refrigerant in heat exchanging process pass sequentially through two coolant paths in the supplementary heat exchanger and exchanges heat.
3. temperature canopy environmental control system according to claim 2, it is characterised in that along the circulating direction of refrigerant, described
Two supplementary heat exchangers are arranged at after the pond heat exchanger, and two refrigerants passed sequentially through in second supplementary heat exchanger lead to
The refrigerant on road is absorbed through the waste heat of the refrigerant after the heat exchanger heat release of pond, for improving system heating capacity before compressor is flowed back to
While, realize that convection current enters the supercooling of the main heat exchanger refrigerant of outdoor.
4. temperature canopy environmental control system according to claim 2, it is characterised in that along the circulating direction of refrigerant, described
Before one supplementary heat exchanger is arranged at the main heat exchanger of the outdoor, for will be first subcooled by second supplementary heat exchanger
Refrigerant afterwards is divided into two, and the refrigerant flow in first supplementary heat exchanger after shunting includes low-temperature enthalpy-increasing branch road and main refrigeration
System stream, the refrigerant for flowing through the low-temperature enthalpy-increasing branch road absorbs and flows through the waste heat of main refrigeration circuit refrigerant and realize low-temperature enthalpy-increasing,
And to the secondary supercooling of the refrigerant in main refrigeration circuit.
5. temperature canopy environmental control system according to claim 4, it is characterised in that auxiliary in the pond heat exchanger and second
Help between heat exchanger and be provided with check valve and choke valve, control refrigerant to flow to by the check valve, by the throttle valve control
The flow of refrigerant.
6. temperature canopy environmental control system according to claim 5, it is characterised in that the control assembly includes being arranged at institute
Four-way valve of the refrigerant pipeline in described compressor delivery outlet one end is stated, is provided between the four-way valve and the second supplementary heat exchanger
Stop valve and choke valve, refrigeration control is realized by the stop valve and the throttle valve control cold medium flux.
7. temperature canopy environmental control system according to claim 6, it is characterised in that changed in the reservoir and the first auxiliary
Stop valve and choke valve are provided between hot device, refrigeration control is realized by the stop valve and the throttle valve control cold medium flux
System.
8. temperature canopy environmental control system according to claim 7, it is characterised in that aided in the main heat exchanger and first
Check valve and choke valve are provided between heat exchanger, refrigeration control is realized by the check valve and the throttle valve control cold medium flux
System.
9. the warm canopy environmental control system according to any one of claim 1 to 8, it is characterised in that the master control set connects
The temperature sensor for detecting warm temperature of shed is connected to, and for detecting the optical sensor of intensity of illumination in warm canopy, it is described
Master control set can targetedly control the work of the compressor and control assembly according to the temperature signal and luminance signal passed back
Make, targetedly to control warm temperature of shed；Within the specific limits, with the raising of intensity of illumination, the lifting temperature canopy of adaptability
Interior temperature, with the reduction of intensity of illumination, the temperature in the warm canopy of reduction of adaptability.
10. temperature canopy environmental control system according to claim 9, it is characterised in that also passed including spray system and humidity
Sensor, the spray system includes spray drive device, and the spray drive device is connected with the pond in warm canopy；The humidity
Sensor and the spray system are connected with the master control set, and the master control set is by moisture signal and luminance signal, pin
To the control spray system job control temperature canopy humidity of property；Within the specific limits, with the raising of intensity of illumination, adaptability
The warm canopy of lifting in humidity, with the reduction of intensity of illumination, the humidity in the warm canopy of reduction of adaptability.
11. temperature canopy environmental control systems according to claim 9, it is characterised in that also including connecting with the master control set
Compound ventilation air-changing device is connect, the master control set targetedly controls the compound ventilation air-changing device according to the luminance signal；One
Determine in scope, with the raising of intensity of illumination, the working strength of the lifting compound ventilation air-changing device of adaptability, with intensity of illumination
Reduce, the working strength of the reduction compound ventilation air-changing device of adaptability.
12. temperature canopy environmental control systems according to claim 9, it is characterised in that the pond in warm canopy is provided with
Water-level control apparatus, including water pipe and discharge pipe line, and it is respectively arranged at the water on the water pipe and discharge pipe line
Level control valve, the altitude valve is respectively connected with the water level switch for being arranged at the pond.
13. temperature canopy environmental control systems according to claim 12, it is characterised in that the altitude valve and the master
Control device connection, the master control set includes timing module, single voiding operation is carried out to the pond at interval of Preset Time.
14. a kind of temperature canopies, it is characterised in that including the warm canopy environmental control system as described in claim any one of 1-13.
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| CN110367001A (en) * | 2019-07-03 | 2019-10-25 | 江苏盐西高新科技园投资有限公司 | Cooling device is used in a kind of plantation of polyhouse-based agriculture |
| CN110895035A (en) * | 2019-11-16 | 2020-03-20 | 深圳市正杰智能工程有限公司 | Indoor environment detection control method and system |
| CN113068546A (en) * | 2021-03-31 | 2021-07-06 | 广东积微科技有限公司 | Air conditioner control method for greenhouse low-temperature refrigeration |
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Application publication date: 20170531 |