CN206728734U - A kind of seasonal comprehensive temperature control system of agricultural greenhouse plant - Google Patents
A kind of seasonal comprehensive temperature control system of agricultural greenhouse plant Download PDFInfo
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- CN206728734U CN206728734U CN201720283460.9U CN201720283460U CN206728734U CN 206728734 U CN206728734 U CN 206728734U CN 201720283460 U CN201720283460 U CN 201720283460U CN 206728734 U CN206728734 U CN 206728734U
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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
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model discloses a kind of seasonal comprehensive temperature control system of agricultural greenhouse plant, including net for air-source heat pump units, the condensator outlet end of net for air-source heat pump units connects with main-supply, main-supply, main water return tube is respectively equipped with the first regulating valve and the second regulating valve, main-supply is connected with the water inlet end and water knockout drum of warm-air drier respectively, water knockout drum is connected with the water inlet end of floor heating pipe, warm-air drier air outlet connects with wind-distributing pipe, water collecting and diversifying device water inlet end is provided with the first magnetic valve, warm-air drier water inlet end is provided with second solenoid valve, warm-air drier backwater end and water collector are connected with main water return tube, main water return tube is provided with hot water storage tank, second regulating valve connects with the entrance point of water circulating pump, the port of export of water circulating pump connects with the condenser inlet end of net for air-source heat pump units.The utility model winter operation can be the big temperature rise heating of 15 DEG C of implemented below in environment temperature, summer, which can be realized in canopy, to cool reliably, stably.The fuel such as coal are not needed directly to utilize the energy of air, the temperature of shed of construction suitable for crop growth is energy-efficient, pollution-free as driving.
Description
Technical field
The utility model belongs to agricultural engineering technology field, is related to that a kind of for agricultural greenhouse plant to provide seasonality comprehensive
Temperature control system.
Background technology
The function of greenhouse or green house of vegetables (hereinafter referred to as " greenhouse ") is under the conditions of the anti-season of natural environment, is built suitable
The environmental condition developed for fruits and vegetables, flower growth, is efficiently produced.For production estimation, temperature is most important
One of environmental key-element.Cold district winter outdoor temperature is less than -10 DEG C, in order to ensure the normal growth and development of crop, greenhouse
It is interior to configure heating facility.The some areas in China northeast, the extremely frigid zones of northwest and North China, legacy system heating expense is about
Account for the 50%~60% of operating cost.In order to reduce system energy consumption, productivity effect is improved, reduces pollution, energy-efficient greenhouse
Heating system is imperative.
At present cold district greenhouse pass the winter conventional method have it is following several.First, central heating (establishes boiler, geothermal well
Deng), heating system is set in greenhouse, and because greenhouse heat loss is serious, heating operation is costly, can not lift ground temperature, temperature in canopy
Spend skewness.Second, hot blast furnace heating, by the different fuel that burns (such as coal, fuel oil and stalk), discharges heat.Its heat
Efficiency is low, and temperature of shed fluctuation is big.Flue gas after burning contains pernicious gas (such as sulphur and nitrogen oxides, tar), and pollution is tight
Weight.Third, heating wire is embedded in underground by electricity heating system, for improving ground temperature.The method is mainly use of nursing young plants in hothouses, can only
Used as interim short-term heating measure, it is impossible to be used in agricultural greenhouse is passed the winter.Three of the above method summer can not produce cooling
Effect.
The main target of greenhouse heating has two：One is keeping ground temperature, plant root is set to be in appropriate warm area, in favor of
It grows；Secondly being to maintain canopy temperature, make the aerial part of plant from frostbite.Traditional greenhouse heating system mode is in canopy
Interior ground sets heating, for improving canopy temperature, can not ensure root temperature, it is difficult to realizes the comprehensive temperature control that plant needs
System；Single heat-supplying mode can not also realize the cooling-down effect of summer in addition.
Existing conventional heat pump form one is heated using soil source heat pump system, but because the summer in winter picks and places heat injustice
Weighing apparatus, causes the soil moisture to reduce, service life is short；Second, using groundwater heat pumps heat, if longtime running draining without
Method whole recharge, level of ground water decline, and break ring belowground ecosystem.Due to being arranged only with ground installation, it is impossible to effectively solution
The certainly comprehensive temperature requirements of plant.
Utility model content
In order to solve problems of the prior art, the utility model provides a kind of agricultural greenhouse plant seasonal full side
The temperature control system of position, overcomes in the prior art that winter greenhouse heating operation is costly, energy utilization rate is low, above and below ground temperature difference
The problem of different big, seriously polluted and summer can not cool.
Technical scheme comprises the following steps used by the utility model：A kind of agricultural greenhouse plant is seasonal comprehensive
Temperature control system, including net for air-source heat pump units, the condensator outlet end of net for air-source heat pump units connect with main-supply, main water supply
Pipe, main water return tube are respectively equipped with the first regulating valve and the second regulating valve, the main-supply water inlet end and Fen Shui with warm-air drier respectively
Device is connected, and water knockout drum is connected with the water inlet end of floor heating pipe, and warm-air drier air outlet connects with wind-distributing pipe, water collecting and diversifying device water inlet end
The first magnetic valve is provided with, warm-air drier water inlet end is provided with second solenoid valve, warm-air drier backwater end and water collector and main water return tube
It is connected, main water return tube is provided with hot water storage tank, and the second regulating valve connects with the entrance point of water circulating pump, the port of export of water circulating pump
Connected with the condenser inlet end of net for air-source heat pump units.
The seasonal comprehensive temperature control method of a kind of agricultural greenhouse plant, using above-mentioned temperature control system, during winter：Work as greenhouse
Interior temperature at or below in the canopy of setting heat lower limit temperature when, net for air-source heat pump units, water circulating pump, warm-air drier start,
First regulating valve, the second regulating valve, the first magnetic valve, water collecting and diversifying device, second solenoid valve are opened；
During summer：When the temperature in greenhouse or greenhouse meets or exceeds the upper limit, net for air-source heat pump units refrigeration mode opens
Dynamic, water circulating pump and warm-air drier start, and the first regulating valve, the second regulating valve and second solenoid valve are opened, the first magnetic valve, diversity
Hydrophone is closed, and recirculated water enters warm-air drier by hot water storage tank, water circulating pump, air-source handpiece Water Chilling Units, main-supply.
When air themperature is higher than crop suitable growth temperature less than temperature of shed or temperature of shed outside night summer canopy, fit
Ventilation equipment in Shi Kaiqi greenhouses is cooled.
The beneficial effects of the utility model are：The utility model winter can lead to the heat of air outside cold district canopy
The floor heating pipe and hot-air system for crossing air source heat pump and its connection are transferred in greenhouse, and heat is then discharged greenhouse by summer, are realized
Winter heat supply summer cooling.Heat pump winter operation can be less than -15 DEG C real in environment temperature reliably, stably to Cryogenic air in a steady stream
Now big temperature rise heating.And the fuel such as coal are not needed directly to utilize the energy of air as driving, build suitable for crop growth
Temperature of shed, it is energy-efficient, pollution-free.End solves traditional greenhouse using the form of floor heating pipe radiating and wind-distributing pipe air-supply
Heating system temperature of shed skewness, the problem of soil moisture is low.
Brief description of the drawings
The seasonal comprehensive temperature control system structural representation of Fig. 1 agricultural greenhouses plant；
Wherein：1-air source heat pump；2-water circulating pump；3-the first regulating valve；4-the second regulating valve；5-main water supply
Pipe；6-main water return tube；7-the first magnetic valve；8-water collecting and diversifying device；9-floor heating pipe；10-second solenoid valve；11-warm-air drier；
12-wind-distributing pipe；13-hot water storage tank.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The principle of Tthe utility model system is：Winter takes heat using air source heat pump from air, and passes through hot-air system
With floor heating guard system, transfer heat in greenhouse, so as to build the temperature conditionss of suitable crop growth.In system end
In terms of arrangement, floor heating pipe radiating is connected by water collecting and diversifying device wind-distributing pipe air-supply is connected with warm-air drier, to ensure the soil moisture and canopy
Interior temperature reaches the requirement of plant growth；Summer utilizes same unit, and heat in canopy is transferred to outside canopy by hot-air system
In air, comfortable temperature and humidity condition is provided for the growth of plant.The thermal power plant unit is the machine of low-temperature air source heat pump 1
Group, unit can realize -15 DEG C of environment temperature and following, big temperature rise heating.End carries out heat exchange using floor heating pipe 9 and soil,
With reference to warm-air drier 11 and wind-distributing pipe 12 and air heat-exchange in canopy.
The utility model is applied to cold district agricultural greenhouse, illustrated with reference to Fig. 1 system flow charts.The system
Including air source heat pump (cold water) unit 1, water circulating pump 2, the first regulating valve 3, the second regulating valve 4, main-supply 5, main water supply
Pipe 6, the first magnetic valve 7, second solenoid valve 10, water collecting and diversifying device 8, floor heating pipe 9, warm-air drier 11 and wind-distributing pipe 12.Air source heat pump
The condensator outlet end of (cold water) unit 1 connects with main-supply 5.Main-supply, main water return tube are respectively equipped with the first regulating valve 3
With the second regulating valve 4.Main-supply 5 is connected with the water inlet end and water knockout drum 8 of warm-air drier 11 respectively, water knockout drum 8 and floor heating pipe 9
Water inlet end be connected, warm-air drier air outlet connects with wind-distributing pipe 12, and the water inlet end of water collecting and diversifying device 8 is provided with the first magnetic valve 7, warm up
The water inlet end of blower fan 11 is provided with second solenoid valve 10.The backwater end of warm-air drier 11 and water collector 8 are connected with main water return tube 6, lead back
Water pipe 6 is provided with hot water storage tank 13, and the second regulating valve 4 connects with the entrance point of water circulating pump 2, the port of export and the sky of water circulating pump 2
The condenser inlet end connection of air supply heat pump (cold water) unit 1.
Winter, when heating lower limit temperature in canopy of the canopy temperature at or below setting, net for air-source heat pump units 1,
Water circulating pump 2, warm-air drier 11 start, the first regulating valve 3, the second regulating valve 4, the first magnetic valve 7, water collecting and diversifying device 8, the second electromagnetism
Valve 10 is opened.In the air side of net for air-source heat pump units 1, under the driving of heat pump inner fan, air flows through source pump 1
Air is discharged into by absorbing and cooling temperature, the air of cooling again during evaporator, the air of heating enters back into the evaporator of source pump 1
With refrigerant heat exchanger, cool while imparting heat to refrigerant, again return in air.Go round and begin again, air side is as low
Temperature-heat-source, constantly provide heat to source pump 1.At the same time, in the water side of net for air-source heat pump units 1, in water circulating pump 2
Driving under, recirculated water enters source pump 1 from hot water storage tank 13, while by the heat that comes of evaporator transfer of source pump 1
Amount and the energy of the power consumption of net for air-source heat pump units 1 conversion, heat high temperature side recirculated water, heated water passes through master by condenser
Feed pipe 5 is flowed into water collecting and diversifying device 8 and warm-air drier 11.Floor heating pipe 9 is fed the water into by water collecting and diversifying device 8, and with the soil in canopy
Exchange heat, hot water heating air in warm-air drier 11, and the air of heating is sent in canopy by wind-distributing pipe 12 and mixed with other air,
Temperature of shed rises.Water reduces with temperature after soil and air heat-exchange in pipe, passes through main water return tube 6, hot water storage tank 13, second
Regulating valve 4 and water circulating pump 2, then it flow back into the condenser heat temperature raising of net for air-source heat pump units 1.Move in circles, major cycle water
The heat that net for air-source heat pump units 1 is extracted from air is constantly conveyed to floor heating pipe 9 and warm-air drier 11 by pump 2, is made in greenhouse
Portion's temperature constantly rises.Hot-air system (i.e. warm-air drier 11 and wind-distributing pipe 12) and floor heating guard system (i.e. water collecting and diversifying device 8 and floor heating pipe
9) use can be allocated according to the actual requirements.The heat to heat as can be seen here is all taken from the heat of greenhouse extraneous air and lacked
The heat that calorimetric pump power consumption is transformed.
Summer, when the temperature in greenhouse or greenhouse meets or exceeds the upper limit, handpiece Water Chilling Units 1, major cycle water pump 2 and warm wind
Machine 11 starts, and the first regulating valve 3, the second regulating valve 4 and second solenoid valve 10 are opened, and the first magnetic valve 7, water collecting and diversifying device 8 are closed,
Recirculated water enters warm-air drier 11 by hot water storage tank 13, water circulating pump 2, air-source handpiece Water Chilling Units 1, main-supply 5.Outside due to canopy
Air themperature is higher than the temperature in canopy, and in 1 low temperature side of handpiece Water Chilling Units, by the driving of major cycle water pump 2, water is by flowing through cold water
Warm-air drier is entered by main-supply 5 by absorbing and cooling temperature, the water of cooling during evaporator (i.e. the condenser of heat pump cycle) of unit 1
11, while cooling air, and the air of cooling is sent in canopy by wind-distributing pipe 12 and mixed with other air, temperature of shed drop
It is low.Meanwhile in the high temperature side of handpiece Water Chilling Units 1, under the driving of unit inner fan, shifted by the evaporator of handpiece Water Chilling Units 1
Come heat by condenser (i.e. the evaporator of heat pump cycle) heat canopy outside air, unit internal working medium because with air heat-exchange and
Own temperature reduces, then flows back to the evaporator heat absorption heating of handpiece Water Chilling Units 1.Move in circles, constantly the heat in greenhouse is turned
Move the Wen Duxiajiang to air outside canopy, made in greenhouse.It is less than temperature of shed or canopy simultaneously for air themperature outside night summer canopy
When interior temperature is higher than crop suitable growth temperature, the ventilation equipment that can be opened in good time in greenhouse is cooled.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (1)
1. the seasonal comprehensive temperature control system of a kind of agricultural greenhouse plant, it is characterised in that including net for air-source heat pump units
(1), the condensator outlet end of net for air-source heat pump units (1) connects with main-supply (5), main-supply (5), main water return tube (6)
Be respectively equipped with the first regulating valve (3) and the second regulating valve (4), main-supply (5) respectively with the water inlet end of warm-air drier (11) and point
Hydrophone (8) is connected, and water knockout drum (8) is connected with the water inlet end of floor heating pipe (9), warm-air drier (11) air outlet and wind-distributing pipe (12)
Connection, water collecting and diversifying device (8) water inlet end are provided with the first magnetic valve (7), and warm-air drier (11) water inlet end is provided with second solenoid valve
(10), warm-air drier (11) backwater end and water collector (8) are connected with main water return tube (6), and main water return tube (6) is provided with hot water storage tank
(13), the second regulating valve (4) connects with the entrance point of water circulating pump (2), the port of export and the air source heat pump machine of water circulating pump (2)
The condenser inlet end connection of group (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720283460.9U CN206728734U (en) | 2017-03-22 | 2017-03-22 | A kind of seasonal comprehensive temperature control system of agricultural greenhouse plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720283460.9U CN206728734U (en) | 2017-03-22 | 2017-03-22 | A kind of seasonal comprehensive temperature control system of agricultural greenhouse plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206728734U true CN206728734U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720283460.9U Expired - Fee Related CN206728734U (en) | 2017-03-22 | 2017-03-22 | A kind of seasonal comprehensive temperature control system of agricultural greenhouse plant |
Country Status (1)
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| CN (1) | CN206728734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857110A (en) * | 2017-03-22 | 2017-06-20 | 天津大学 | A kind of agricultural greenhouse plant seasonal comprehensive temperature control system and temperature control method |
| CN108738943A (en) * | 2018-05-02 | 2018-11-06 | 上海孙桥溢佳农业技术股份有限公司 | A kind of greenhouse active storage heating system |
-
2017
- 2017-03-22 CN CN201720283460.9U patent/CN206728734U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857110A (en) * | 2017-03-22 | 2017-06-20 | 天津大学 | A kind of agricultural greenhouse plant seasonal comprehensive temperature control system and temperature control method |
| CN108738943A (en) * | 2018-05-02 | 2018-11-06 | 上海孙桥溢佳农业技术股份有限公司 | A kind of greenhouse active storage heating system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20180322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |