CN105746250A - Greenhouse vapor pressure difference automatic regulating system and method - Google Patents
Greenhouse vapor pressure difference automatic regulating system and method Download PDFInfo
- Publication number
- CN105746250A CN105746250A CN201610312023.5A CN201610312023A CN105746250A CN 105746250 A CN105746250 A CN 105746250A CN 201610312023 A CN201610312023 A CN 201610312023A CN 105746250 A CN105746250 A CN 105746250A
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- China
- Prior art keywords
- greenhouse
- vapor pressure
- aqueous vapor
- temperature
- pressure reduction
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Classifications
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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
-
- 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
Abstract
The invention discloses a greenhouse vapor pressure difference automatic regulating system and method. The system comprises a temperature and humidity sensor, a single-chip microcomputer controller, a solenoid valve, spraying pipes and spraying heads. The temperature and humidity sensor is used for collecting temperature and humidity data in a greenhouse in real time. The single-chip microcomputer controller is connected with the temperature and humidity sensor through a data line and used for calculating vapor pressure difference numerical values in real time according to temperature and humidity numerical values and giving out a control signal. The solenoid valve is connected with the single-chip microcomputer controller through a data line and used for receiving the signal of the single-chip microcomputer controller to control a water source to be switched on or switched off. The spraying pipes are used for conveying water. The spraying heads are connected with the solenoid valve through the spraying pipes and used for spraying water to regulate the vapor pressure difference in the greenhouse. The greenhouse vapor pressure difference automatic regulating system and method are high in measuring precision and accurate in calculation base, and reliable technical support can be provided for environment regulation, disease prevention and water stress of the greenhouse.
Description
Technical field
The invention belongs to greenhouse monitoring management technical field, particularly relate to a kind of greenhouse aqueous vapor pressure reduction automatic regulating system and method.
Background technology
Greenhouse aqueous vapor pressure reduction is one of important parameter of greenhouse management, and its numerical value directly affects the growth promoter of crop.
At present, greenhouse aqueous vapor pressure reduction relies primarily on labor management, empirically carries out spraying moisture, wastes time and energy and easily causes the inaccurate consequence of adjustment.
Summary of the invention
It is an object of the invention to provide a kind of greenhouse aqueous vapor pressure reduction automatic regulating system and method, it is intended to solve current greenhouse aqueous vapor pressure reduction and rely primarily on labor management and exist and waste time and energy and easily cause the inaccurate problem of adjustment.
The present invention is achieved in that a kind of greenhouse aqueous vapor pressure reduction automatic regulating system, and described greenhouse aqueous vapor pressure reduction automatic regulating system includes:
Temperature Humidity Sensor, for the temperature in Real-time Collection greenhouse, humidity data;
Singlechip controller, is connected with Temperature Humidity Sensor by data wire, receives sensor signal, for foundation humiture numerical value real-time operation aqueous vapor pressure drop, and sends control signal;
Electromagnetic valve, is connected control by single-chip microcomputer by relay, and the output signal for receiving single-chip microcomputer controls the opening and closing at water source;
Shower, the transport for water is transmitted;
Shower nozzle, is connected with electromagnetic valve by shower, is used for implementing water spray to regulate aqueous vapor pressure reduction in greenhouse.
Further, the formula of described singlechip controller calculating aqueous vapor pressure drop is as follows:
Wherein e is natural Exponents, and RH/100 is relative humidity %, T is temperature.
Another object of the present invention is to provide the greenhouse aqueous vapor pressure reduction Automatic adjustment method of a kind of described greenhouse aqueous vapor pressure reduction automatic regulating system, described greenhouse aqueous vapor pressure reduction Automatic adjustment method includes:
Temperature in Real-time Collection greenhouse, humidity data;
According to humiture numerical value real-time operation aqueous vapor pressure drop, the humiture sampling time may be provided at 1~999s, (being adjusted according to practical situation), and computing formula is as follows:Wherein e is natural Exponents, and RH/100 is relative humidity %, T is temperature, degree Celsius, it is the numerical value that detects in real time of sensor.
It is as follows that water injection system controls logic: VPD reaches 1.5 and starts to output signal to electromagnetic valve, and spray system starts water spray, and VPD stops when being down to 0.5.
Receive signal and control the opening and closing at water source;
Implement water spray and regulate aqueous vapor pressure reduction in greenhouse.
Greenhouse provided by the invention aqueous vapor pressure reduction automatic regulating system and method, be control on demand, automatically adjusts according to the temperature-humidity monitoring result in real-time greenhouse, is adjusted within the scope of optimum plant growth by aqueous vapor pressure drop all the time.Wherein temperature sensor accurate temperature measures scope-21~50 DEG C, certainty of measurement ± 0.1 DEG C, moisture measurement precision ± 3%, resolution 1%.Reliable technical support is provided for environmental control of greenhouse, prevention of damage by disease and water stress.
Accompanying drawing explanation
Fig. 1 is the greenhouse aqueous vapor pressure reduction automatic regulating system structural representation that the embodiment of the present invention provides;
In figure: 1, Temperature Humidity Sensor;2, singlechip controller;3, electromagnetic valve;4, shower;5, shower nozzle.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with accompanying drawing, the application principle of the present invention is explained in detail.
As it is shown in figure 1, the greenhouse aqueous vapor pressure reduction automatic regulating system of the embodiment of the present invention specifically includes that Temperature Humidity Sensor 1, singlechip controller 2, electromagnetic valve 3, shower 4, shower nozzle 5.
Temperature Humidity Sensor 1, for the temperature in Real-time Collection greenhouse, humidity data.
Singlechip controller 2, is connected with Temperature Humidity Sensor 1 by data wire, for foundation humiture numerical value real-time operation aqueous vapor pressure reduction (VPD) numerical value, and sends control signal.
Electromagnetic valve 3, is connected with singlechip controller 2 by data wire, and the signal for receiving singlechip controller 2 controls the opening and closing at water source.
Shower 4, the transport for water is transmitted.
Shower nozzle 5, is connected with electromagnetic valve 3 by shower 4, is used for implementing water spray, regulates aqueous vapor pressure reduction in greenhouse.
Described singlechip controller 2 is used for calculating VPD numerical value, and basis is as follows:
Wherein e is natural Exponents, and RH/100 is relative humidity %, T is temperature, degree Celsius, it is the numerical value that detects in real time of sensor.It is as follows that water injection system controls logic: VPD reaches 1.5 and starts to output signal to electromagnetic valve, and spray system starts water spray, and VPD stops when being down to 0.5.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (3)
1. a greenhouse aqueous vapor pressure reduction automatic regulating system, it is characterised in that described greenhouse aqueous vapor pressure reduction automatic regulating system includes:
Temperature Humidity Sensor, for the temperature in Real-time Collection greenhouse, humidity data;
Singlechip controller, is connected with Temperature Humidity Sensor by data wire, receives sensor signal, for foundation humiture numerical value real-time operation aqueous vapor pressure drop, and sends control signal;
Electromagnetic valve, is connected control by single-chip microcomputer by relay, and the output signal for receiving single-chip microcomputer controls the opening and closing at water source;
Shower, the transport for water is transmitted;
Shower nozzle, is connected with electromagnetic valve by shower, is used for implementing water spray to regulate aqueous vapor pressure reduction in greenhouse.
2. greenhouse as claimed in claim 1 aqueous vapor pressure reduction automatic regulating system, it is characterised in that described singlechip controller calculates aqueous vapor pressure drop according to real time humiture, and formula is as follows:
Wherein e is natural Exponents, and RH/100 is relative humidity %, T is temperature.
Controlling logic as follows: VPD reaches 1.5 beginning electromagnetic valves and opens, and spray system starts water spray, VPD stops when being down to 0.5.
3. the greenhouse aqueous vapor pressure reduction Automatic adjustment method of a greenhouse as claimed in claim 1 aqueous vapor pressure reduction automatic regulating system, it is characterised in that described greenhouse aqueous vapor pressure reduction Automatic adjustment method includes:
Temperature in Real-time Collection greenhouse, humidity data;
According to humiture numerical value real-time operation aqueous vapor pressure drop, and send control signal;
Receive signal and control the opening and closing at water source;
Implement water spray and regulate aqueous vapor pressure reduction in greenhouse.
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CN201610312023.5A CN105746250A (en) | 2016-05-12 | 2016-05-12 | Greenhouse vapor pressure difference automatic regulating system and method |
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CN201610312023.5A CN105746250A (en) | 2016-05-12 | 2016-05-12 | Greenhouse vapor pressure difference automatic regulating system and method |
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CN201610312023.5A Pending CN105746250A (en) | 2016-05-12 | 2016-05-12 | Greenhouse vapor pressure difference automatic regulating system and method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106168822A (en) * | 2016-09-30 | 2016-11-30 | 深圳前海弘稼科技有限公司 | A kind of environmental control of greenhouse method, device and intelligent greenhouse |
CN112603164A (en) * | 2020-12-14 | 2021-04-06 | 银都餐饮设备股份有限公司 | Steaming and baking oven |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN106168822A (en) * | 2016-09-30 | 2016-11-30 | 深圳前海弘稼科技有限公司 | A kind of environmental control of greenhouse method, device and intelligent greenhouse |
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CN112603164A (en) * | 2020-12-14 | 2021-04-06 | 银都餐饮设备股份有限公司 | Steaming and baking oven |
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Application publication date: 20160713 |