CN112032816A - Water heating type temperature-increasing constant-temperature and humidity system - Google Patents

Water heating type temperature-increasing constant-temperature and humidity system Download PDF

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Publication number
CN112032816A
CN112032816A CN202010797022.0A CN202010797022A CN112032816A CN 112032816 A CN112032816 A CN 112032816A CN 202010797022 A CN202010797022 A CN 202010797022A CN 112032816 A CN112032816 A CN 112032816A
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CN
China
Prior art keywords
temperature
indoor
heat exchanger
greenhouse
evaporator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010797022.0A
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Chinese (zh)
Inventor
侯春来
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Zhengyang Xingsheng Green Energy Technology Co ltd
Original Assignee
Beijing Zhengyang Xingsheng Green Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Zhengyang Xingsheng Green Energy Technology Co ltd filed Critical Beijing Zhengyang Xingsheng Green Energy Technology Co ltd
Priority to CN202010797022.0A priority Critical patent/CN112032816A/en
Publication of CN112032816A publication Critical patent/CN112032816A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00Other domestic- or space-heating systems
    • F24D15/04Other domestic- or space-heating systems using heat pumps
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/245Conduits for heating by means of liquids, e.g. used as frame members or for soil heating
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/246Air-conditioning systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/02Arrangement of mountings or supports for radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1405Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

Abstract

The utility model belongs to the technical field of the temperature and humidity control technique and specifically relates to a warm-up formula constant temperature and humidity system that increases temperature is related to, the setting is inside and can be to the inside temperature of warmhouse booth, humidity is adjusted, including the indoor set, the indoor set includes the casing, inside by having set gradually indoor evaporimeter and heat exchanger from bottom to top of casing, indoor evaporimeter and heat exchanger intercommunication are and there is heat transfer working medium in the heat pump circuit in same heat pump circuit, install the cooling tube with the inside intercommunication of heat exchanger on warmhouse booth's the lateral wall, outdoor being provided with carries out the indoor off-premises station that heaies up to indoor, this application has dehumidifies to warmhouse booth inside, makes things convenient for the crop to carry out photosynthesis, guarantee the advantage of.

Description

Water heating type temperature-increasing constant-temperature and humidity system
Technical Field
The application relates to the technical field of temperature and humidity control, in particular to a water heating type temperature-increasing constant-temperature and constant-humidity system.
Background
At present, in order to meet the living needs of people, people often plant crops in a greenhouse, and the crops are planted when the outdoor temperature is low in winter.
In winter, the temperature outside the greenhouse is low, the crop growth inside the greenhouse needs high temperature, the greenhouse needs to be heated, the humidity of air in the greenhouse can be increased while the temperature is increased, in winter, in order to prevent outdoor cold air from entering the greenhouse, moisture cannot be discharged outdoors, the humidity in the air can be kept too high for a long time, the photosynthesis of the crop can be directly influenced, and the development of the crop is finally influenced.
Disclosure of Invention
In order to dehumidify the inside of the greenhouse, make things convenient for the crop to carry out photosynthesis, guarantee the development of crop, this application provides a water heating formula temperature increase constant temperature and humidity system.
The application provides a hot-water heating formula adds temperature constant temperature and humidity system adopts following technical scheme:
the utility model provides a warm-water type heats constant temperature and humidity system, sets up inside warmhouse booth and can adjust the inside temperature of warmhouse booth, humidity, including the indoor set, the indoor set includes the casing, and inside by having set gradually indoor evaporimeter and heat exchanger from bottom to top of casing, indoor evaporimeter and heat exchanger intercommunication have heat transfer working medium in same heat pump circuit and the heat pump circuit, install the cooling tube with the inside intercommunication of heat exchanger on warmhouse booth's the lateral wall, outdoor being provided with carries out indoor off-premises station that heaies up.
By adopting the technical scheme, when the interior of the greenhouse needs to be dehumidified, the water solution is introduced into the radiating pipe, and after the heat pump loop is started, the radiating pipe can exchange heat with the heat exchanger, so that the temperature of the water solution in the radiating pipe rises, the heat of the water solution in the radiating pipe can be radiated into the greenhouse, and the purpose of heating or keeping the temperature of the interior of the greenhouse is achieved; and the higher cooling tube of temperature also can play the humidity that reduces the inside air of warmhouse booth, it is further, in the heat pump circuit working process at indoor evaporimeter and heat exchanger place, the inside air of warmhouse booth can enter into the casing inside and with the heat transfer of indoor evaporimeter contact, lead to the temperature of air to reduce, just so can realize carrying out the process of dehumidification to the inside air of warmhouse booth, just so reached and made things convenient for the crop to carry out photosynthesis, promote the effect that the crop was grown.
Preferably, an axial flow fan is installed inside the greenhouse.
Through adopting above-mentioned technical scheme, open axial fan, axial fan can promote the inside air flow of warmhouse booth like this towards the inside blast air of warmhouse booth, makes the inside temperature of warmhouse booth more even stable, has reduced the possibility that the inside local high temperature of warmhouse booth appears.
Preferably, the indoor unit is arranged at a position close to the center of the greenhouse, the number of the axial flow fans is two, and the two axial flow fans are positioned on the side walls of the greenhouse at two sides of the indoor unit.
Through adopting above-mentioned technical scheme, after starting axial fan, two axial fan can be towards the blast air of opposite direction, can further promote the inside air flow of warmhouse booth like this.
Preferably, the outdoor unit comprises an outdoor unit evaporator, the outdoor unit evaporator is connected with the heat exchanger in series, and a switching piece for switching the heat exchanger between the outdoor unit evaporator and the indoor evaporator is arranged in the heat pump loop.
Through adopting above-mentioned technical scheme, when need not dehumidify greenhouse big-arch shelter inside, people can carry out the extrinsic cycle process with heat exchanger and outer quick-witted evaporimeter intercommunication through the converting part this moment, and inside outdoor air entered into the greenhouse after the heating, realized the inside homothermal process that heats of greenhouse.
Preferably, a four-way valve is installed in a loop of the series connection of the outdoor evaporator and the indoor evaporator.
By adopting the technical scheme, people can make the outer machine evaporator be matched with the heat exchanger to realize the processes of temperature rise and refrigeration in the greenhouse by changing the flowing direction of the working medium in the four-way valve.
Preferably, a water tank is arranged at the lowest part of the machine shell.
Through adopting above-mentioned technical scheme, when indoor evaporimeter and gas carried out the heat transfer, air temperature reduced, can condense out the water pearl on indoor evaporimeter's the fin, then inside falling the basin, can realize the process of collecting the vapor in the air like this.
Preferably, the fins inside the heat exchanger are arranged obliquely.
Through adopting above-mentioned technical scheme, can make things convenient for warmhouse booth's gas and indoor evaporimeter and the inside fin of second grade evaporimeter to carry out the heat transfer.
Preferably, air flows between the upper end surface and the lower end surface of the casing, and a centrifugal fan is arranged below the indoor evaporator or above the heat exchanger.
Through adopting above-mentioned technical scheme, after starting centrifugal fan, inside centrifugal fan can promote the inside gas of warmhouse booth to enter into the casing by the below of casing, and the casing outside is flowed from the position that is close to the casing up end to the indoor evaporator completion heat transfer after, can promote the speed of carrying out the dehumidification inside the warmhouse booth like this.
Drawings
Fig. 1 is an overall structural view of a temperature-increasing, constant-temperature and constant-humidity system applied to a greenhouse in an embodiment of the present application (in the figure, the top surface of the greenhouse is hidden);
FIG. 2 is a partial sectional view showing the structure of the indoor unit in the embodiment of the present invention;
FIG. 3 is a first state of the heat pump circuit schematic of the temperature-increasing, constant temperature and humidity system in the embodiment of the present application;
fig. 4 is a second state of the heat pump circuit schematic diagram of the temperature-increasing constant temperature and humidity system in the embodiment of the present application.
In the figure, 1, an indoor unit; 11. a housing; 12. an indoor evaporator; 15. a heat exchanger; 2. an outdoor unit; 3. a radiating pipe; 4. a greenhouse; 5. an axial flow fan; 6. a water tank; 7. a four-way valve; 8. a heat pump circuit; 81. an expansion valve; 82. a compressor; 83. a filter; 84. a reservoir; 9. a centrifugal fan.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, the present application provides a water heating type temperature-increasing constant-temperature and humidity system, which includes an indoor unit 1, an outdoor unit 2 and a heat dissipation pipe 3, wherein the indoor unit 1 is disposed inside a greenhouse 4, the outdoor unit 2 is disposed outside the greenhouse 4 and connected to the indoor unit 1, and the heat dissipation pipe 3 is disposed on one of the side surfaces inside the greenhouse 4 and extends to the inside of the indoor unit 1 near the indoor unit 1 to exchange heat with the indoor unit 1.
When the interior of the greenhouse 4 needs to be maintained in a constant temperature and humidity state, one end of the radiating pipe 3, which is far away from the indoor unit 1, needs to be communicated with a water supply device, so that the interior of the radiating pipe 3 is filled with a water solution; then, the indoor unit 1 is started, air in the greenhouse 4 can enter the indoor unit 1, the dehumidification process can be completed in the indoor unit 1, after the air humidity near the indoor unit 1 is reduced, water vapor in the air in the greenhouse 4 can diffuse towards the direction close to the indoor unit 1, so that the air humidity in the greenhouse 4 can be reduced after a period of time, and the effect of promoting crop photosynthesis is achieved; the water solution in the radiating pipe 3 completes heat exchange in the indoor unit 1 to raise the temperature of the water solution, and the heat in the water solution can be radiated into the greenhouse 4 through the radiating pipe 3, so that the temperature in the greenhouse 4 can be raised; after the humidity inside the greenhouse 4 reaches the requirement, the outdoor unit 2 is started, and the outdoor unit 2 can maintain a constant temperature inside the greenhouse 4.
Referring to fig. 2 and 3, the indoor unit 1 includes a casing 11, and an indoor evaporator 12 and a heat exchanger 15 sequentially disposed inside the casing 11 from bottom to top, the indoor evaporator 12 and the heat exchanger 15 are serially connected and communicated in the heat pump loop 8 with a heat transfer working medium, a heat exchange fin inside the indoor evaporator 12 is inclined along a direction from bottom to top away from a wall of the greenhouse 4, and one end of the heat dissipation pipe 3 close to the indoor unit 1 penetrates through the casing 11 and is communicated with the heat exchanger 15. The indoor evaporator 12 of the heat pump circuit 8 can reduce the humidity of the air inside the greenhouse 4, and the aqueous solution inside the radiating pipe 3 exchanges heat inside the heat exchanger 15.
Referring to fig. 2, in order to increase the speed of the air inside the greenhouse 4 entering the interior of the housing 11, the housing 11 is configured to have an air flow structure between the upper end surface and the lower end surface, that is, the side surface of the housing 11 close to the lower end surface is configured to be a mesh structure, and the side surface of the housing 11 far away from the wall of the greenhouse 4 close to the upper end surface is provided with a centrifugal fan 9. After the centrifugal fan 9 is started, air inside the greenhouse 4 can enter the inside of the machine shell 11 from the lower part of the machine shell 11 under the action of the centrifugal fan 9, and after heat exchange between the air and the indoor evaporator 12 is completed, the air flows back to the inside of the greenhouse 4 under the action of the centrifugal fan 9.
Referring to fig. 2, in the present embodiment, the heat exchanger 15 is a shell-and-tube heat exchanger, and other heat exchangers 15 having the same effect are still applicable.
Referring to fig. 3, in the present embodiment, the heat pump circuit 8 includes, in addition to the indoor evaporator 12 and the heat exchanger 15, a compressor 82, an expansion valve 81, a filter 83, and a receiver 84, an outlet of the compressor 82 is communicated with an inlet of the heat exchanger 15, an outlet of the heat exchanger 15 is communicated with the expansion valve 81, the filter 83, and the receiver 84 in this order, an outlet of the receiver 84 is communicated with an inlet of the indoor evaporator 1, and an outlet of the indoor evaporator 12 is communicated with an inlet of the compressor 82.
Referring to fig. 1, in order to reduce the local over-high or over-low temperature inside the greenhouse 4, the indoor unit 1 is installed at a position close to the center of the greenhouse 4, axial fans 5 are respectively arranged on two opposite end faces inside the greenhouse 4, and the two axial fans 5 blow air towards the direction of the indoor unit 1, so that the air flow inside the greenhouse 4 can be promoted, and the air temperature inside the greenhouse 4 is more uniform.
Referring to fig. 2, when the indoor evaporator 12 exchanges heat with air, some water droplets are generated on the outer surfaces of the fins, and a water tank 6 is provided at the lowermost portion inside the cabinet 11 so as to collect the generated water droplets.
Referring to fig. 3 and 4, the outdoor unit 2 includes an outdoor unit evaporator connected in series with the heat exchanger 15, and a switching member provided in the heat pump circuit 8 and allowing the heat exchanger 15 to be switched between the outdoor unit evaporator and the indoor evaporator 12. When the temperature rise and dehumidification are needed to be carried out inside the greenhouse, the heat exchanger 15 can be communicated with the indoor evaporator 1 through the conversion piece; the humidity inside the greenhouse 4 reaches the required range, and after the heat preservation is carried out inside the greenhouse 4, the heat exchanger 15 can be communicated with the outer machine evaporator through the conversion piece, so that the situation that the humidity inside the greenhouse is continuously reduced can be avoided.
Referring to fig. 3 and 4, the changeover member includes a three-way valve installed at a connection of the accumulator 84 and the indoor evaporator 12 and in which one of outlets of the three-way valve communicates with an inlet of the outer unit evaporator, which communicates with an inlet of the compressor 82.
Referring to fig. 3 and 4, in order to increase the function of the temperature-increasing constant temperature and humidity system, a four-way valve 7 is connected to a circuit in which the indoor evaporator 12 and the outdoor evaporator are communicated, and the heat pump circuit 8 can reduce the temperature of the interior of the greenhouse by the four-way valve 7.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (8)

1. The utility model provides a warm formula of water heats constant temperature and humidity system, sets up in warmhouse booth (4) inside and can adjust warmhouse booth (4) inside temperature, humidity, its characterized in that: the indoor unit (1) comprises an indoor unit (1), the indoor unit (1) comprises a casing (11), an indoor evaporator (12) and a heat exchanger (15) are sequentially arranged inside the casing (11) from bottom to top, the indoor evaporator (12) and the heat exchanger (15) are communicated in the same heat pump loop (8) and heat transfer working media are arranged in the heat pump loop (8), a radiating pipe (3) communicated with the inside of the heat exchanger (15) is installed on the side wall of a greenhouse (4), and an outdoor unit (2) for heating the indoor is arranged outdoors.
2. The water heating type temperature-increasing constant-temperature and humidity system according to claim 1, characterized in that: an axial flow fan (5) is arranged in the greenhouse (4).
3. The water heating type temperature-increasing constant-temperature and humidity system according to claim 2, characterized in that: the indoor unit (1) is arranged at a position close to the center of the greenhouse (4), the axial flow fans (5) are arranged in two numbers, and the two axial flow fans (5) are positioned on the side walls of the greenhouse (1) at the two sides of the indoor unit (1).
4. A water-heating-type temperature-increasing, constant-temperature and constant-humidity system according to any one of claims 1 to 3, characterized in that: the outdoor unit (2) comprises an outdoor unit evaporator, the outdoor unit evaporator is connected with the heat exchanger (15) in series, and a conversion piece for switching the heat exchanger (15) between the outdoor unit evaporator and the indoor evaporator (12) is arranged in the heat pump loop (8).
5. The water heating type temperature-increasing constant-temperature and humidity system according to claim 4, characterized in that: a four-way valve (7) is arranged in a loop formed by connecting the outdoor evaporator and the indoor evaporator (12) in series.
6. The water heating type temperature-increasing constant-temperature and humidity system according to claim 1, characterized in that: a water tank (6) is arranged at the lowest part of the machine shell (11).
7. The water heating type temperature-increasing constant-temperature and humidity system according to claim 4, characterized in that: the fins inside the heat exchanger (15) are obliquely arranged.
8. The water heating type temperature-increasing constant-temperature and humidity system according to claim 1, characterized in that: air flows between the upper end surface and the lower end surface of the casing (11), and a centrifugal fan (9) is arranged below the indoor evaporator (12) or above the heat exchanger (15).
CN202010797022.0A 2020-08-10 2020-08-10 Water heating type temperature-increasing constant-temperature and humidity system Pending CN112032816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010797022.0A CN112032816A (en) 2020-08-10 2020-08-10 Water heating type temperature-increasing constant-temperature and humidity system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010797022.0A CN112032816A (en) 2020-08-10 2020-08-10 Water heating type temperature-increasing constant-temperature and humidity system

Publications (1)

Publication Number Publication Date
CN112032816A true CN112032816A (en) 2020-12-04

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CN202010797022.0A Pending CN112032816A (en) 2020-08-10 2020-08-10 Water heating type temperature-increasing constant-temperature and humidity system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114521432A (en) * 2022-02-22 2022-05-24 湖南化工职业技术学院(湖南工业高级技工学校) PLC automatic control temperature adjusting device for greenhouse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235725A (en) * 2010-04-28 2011-11-09 侯春来 Air-conditioning system of multi-connected solar air source heat pump
CN103477916A (en) * 2007-11-08 2014-01-01 以色列国家农业和农村发展农业研究组织沃尔坎尼中心 Method and system for heating and dehumidifying
KR200475073Y1 (en) * 2013-10-01 2014-11-07 (주)덕산코트랜 Thermo-hygristat for Mushroom Culture
CN105075729A (en) * 2015-08-07 2015-11-25 安徽欧瑞达电器科技有限公司 Constant-temperature greenhouse
CN108592439A (en) * 2018-04-09 2018-09-28 浙江欧伦电气有限公司 Multifunction constant temperature dehumidification system and constant temperature dehumidification control method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103477916A (en) * 2007-11-08 2014-01-01 以色列国家农业和农村发展农业研究组织沃尔坎尼中心 Method and system for heating and dehumidifying
CN102235725A (en) * 2010-04-28 2011-11-09 侯春来 Air-conditioning system of multi-connected solar air source heat pump
KR200475073Y1 (en) * 2013-10-01 2014-11-07 (주)덕산코트랜 Thermo-hygristat for Mushroom Culture
CN105075729A (en) * 2015-08-07 2015-11-25 安徽欧瑞达电器科技有限公司 Constant-temperature greenhouse
CN108592439A (en) * 2018-04-09 2018-09-28 浙江欧伦电气有限公司 Multifunction constant temperature dehumidification system and constant temperature dehumidification control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114521432A (en) * 2022-02-22 2022-05-24 湖南化工职业技术学院(湖南工业高级技工学校) PLC automatic control temperature adjusting device for greenhouse
CN114521432B (en) * 2022-02-22 2024-03-29 湖南化工职业技术学院(湖南工业高级技工学校) PLC automatic control attemperator for greenhouse

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Application publication date: 20201204