CN104407652A - Automatic control system for greenhouse - Google Patents
Automatic control system for greenhouse Download PDFInfo
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- CN104407652A CN104407652A CN201410618213.0A CN201410618213A CN104407652A CN 104407652 A CN104407652 A CN 104407652A CN 201410618213 A CN201410618213 A CN 201410618213A CN 104407652 A CN104407652 A CN 104407652A
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Abstract
The invention relates to an automatic control system for a greenhouse. With the automatic control system adopted, manpower and material resources can be saved. The automatic control system for the greenhouse includes an upper computer and a lower computer; the upper computer includes an equipment control management module, a data real-time display module and a data management module; the lower computer is a system front-end controller and includes a sensing part, a data acquisition control part and an execution part, wherein the sensing part and the execution part are connected with the data acquisition control part through input modules, and the data acquisition control part is connected with the upper computer. With the automatic control system for the greenhouse of the invention adopted, fully-automatic control can be performed on equipment of an execution mechanism according to preset conditions based on parameters of an environment in the greenhouse.
Description
Technical field
The present invention relates to a kind of Greenhouse automatic control system.
Background technology
Greenhouse utilizes greenhouse effect principle, provides controllable suitable growth environment, make full use of soil, weather and biotic potential, limited soil obtains a kind of efficient, the intensive agricultural facility of high yield, quality and benefit for animals and plants produce.The restriction of natural conditions and weather conditions can be broken away from greenhouse, extends the production time, realizes the round-the-clock production of crops.
Traditional greenhouse flower hangs thermometer and hygrometer at inside greenhouse, actual humiture is understood by reading temperature value and humidity value, then compare according to existing humiture and specified humiture, see that whether humiture is too high or too low, then ventilate accordingly or sprinkle water.These operations are carried out all in the manual case, consume a large amount of manpower and materials.Now, along with the fast development of national economy, improving constantly of agricultural industry scale, the kind that agricultural product are cultivated in greenhouse gets more and more, and for a fairly large number of greenhouse, traditional Temperature Control Measures just shows significant limitation.The construction in greenhouse it is also proposed more and more higher requirement to Temperature and Humidity and control technology.
Summary of the invention
Goal of the invention: for the problems referred to above, the invention provides a kind of Greenhouse automatic control system used manpower and material resources sparingly.
Technical scheme: this Greenhouse automatic control system comprises host computer and slave computer, described slave computer is system front end controller, comprise transducing part, data acquisition control part and execution part, described data acquisition control part is connected with data acquisition control part by load module with execution part; Data acquisition control part is connected with host computer.Described host computer comprises editing equipment management module, data implement display module and data management module.
Described enforcement division is divided and is comprised light source, temperature raising device, cooling system, ventilation equipment, pour water equipment and carbon dioxide ancillary equipment.
Described light source comprises incandescent lamp, fluorescent light or iodine-tungsten lamp.
Described temperature raising device is made up of hot-water boiler, heat supply pipeline and heat dissipation equipment.
Described cooling system is made up of wet curtain case, circulation, axial flow blower and control system; Described wet curtain case is made up of casing, wet curtain, water distributor and water collector.
Described equipment of pouring water is made up of water source, head pivot, water-supply pipeline and douche.
Described transducing part comprises soil moisture sensor, soil temperature sensor, aerial temperature and humidity sensor, optical sensor, rain sensor, evaporation gauge and wind speed and direction compound sensor.
Described part of data acquisition is 16 single-chip microcomputers, adopts MODBUS stipulations, has PR485 interface and RS232 interface.
Beneficial effect: system provided by the present invention according to the change of greenhouse environment parameter, can carry out Automatic Control according to the condition preset to the equipment of topworks,
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention.
Embodiment:
System of the present invention adopts upper and lower machine control program, and slave computer is system front end controller, implements the control of detection to warmhouse booth environmental parameter and Environmental adjustments mechanism; Host computer is system monitoring computing machine, adopts environmental monitoring and the management system of Measurement index design interface close friend, realizes operating the monitoring and management in greenhouse.Its basic framework as shown in Figure 1.
Slave computer is positioned at green house control scene, primarily of sensor, data acquisition controller and topworks's composition.Slave computer mainly realizes greenhouse real time data acquisition, process and display, and the adjustment to greenhouse, by bus network or wireless communication module, the environmental parameter of monitoring is transferred to upper PC, and accept the control of host computer and produce control decision, control topworks and regulate; Have offline operation function, can work alone under host computer power down condition, user or expert preset the environmental parameter of environmental parameter and Real-time Collection by keyboard, and autonomous operation slave computer decision-making process, realizes greenhouse automatic control.
Data acquisition and control module can the signal of output of pick-up transducers, and can export control signal and carry out Based Intelligent Control.We adopt DMG-1 data acquisition and control module, this module adopts 16 super low power consuming single chip processors, and single-chip microcomputer inside is integrated with all peripheral circuits, and does not carry out any expansion when designing this product, have higher by property and antijamming capability, reduce the volume of product.DMG-1 data acquisition and control module adopts MODBUS stipulations, and these stipulations have the advantages such as open, text is easy to get, agreement is simple.DMG-1 data acquisition and control module possesses RS485 interface and RS232 interface, has higher traffic rate and farther communication distance when using RS485 interface.
Sensor section: sensor is used for carrying out real-time data acquisition to the temperature in greenhouse, humidity, intensity of illumination.According to chamber crop growth characteristic and environmental requirement, choice accuracy is higher, stable, and the sensor that cost performance is higher is extremely necessary.Sensor of the present invention is as follows:
Soil moisture sensor is made up of stainless steel probe and watertight transducer, can be embedded in for a long time in soil and dykes and dams and use, top layer and deep soil be carried out to fixed point monitoring and the on-line measurement of soil moisture content.
Soil temperature sensor is for detecting the soil moisture, the effective temperature scope of general use is 10 ~ 40 DEG C, and (Soil Thermal volume is larger, temperature variation is not clearly), be arranged in greenhouse in soil, to measure the growth of crop, the soil moisture of growth and soil moisture change conditions after watering.According to the laying mode of the specification in greenhouse, the different choice sensor of long-term cropping.
Aerial temperature and humidity sensor is that the speciality changed with relative humidity according to the dielectric Constant with humidity sensing characteristic designs, be used for detecting the ambient temperature and humidity in greenhouse, general effective temperature range is at-40 ~ 100 DEG C, and effective humidity range is 0 ~ 100%.
Optical sensor is the light radiation intensity for detecting crop growth environment, thus determines, the need of taking sunshade or light filling operation, to regulate the intensity of illumination in greenhouse, to meet the demand of plant growth to illumination.
Rain sensor measures nature rainfall amount, rainfall amount is converted to numerical information and exports, to meet the needs of information transmission, process, record and reality etc.Can be used for weather station, hydrometric station, agricultural, national defence, field observe and predict Zhan Deng relevant department, coordinate ombrograph to measure quantity of precipitation, precipitation intensity, precipitation time etc., can be scheduling of supplying water, irrigation management provides raw data.
Evaporation gauge is used to the instrument measuring liquid surface evaporation amount, through being everlasting, weather station combines with other sensors, for relevant departments such as agricultural, forestry, meteorology, water conservancy, scientific researches to scientific research observation experiments such as moisture transpiration amount, evaporation from water surface, water resource assessments.
Wind speed and direction compound sensor is used to the instrument measuring wind-force direction, wind intensity, is mainly used in weather station, hydrometric station, agricultural, national defence, field observe and predict in the meteorological system that station etc. arranges, can provide raw data for farmland sysrem, irrigation management.
Topworks's part: comprise light source, temperature raising device, cooling system, ventilation equipment, pour water equipment and carbon dioxide ancillary equipment.
The major function of light source is illumination and artificially feed, artificially feed is an important technique measure of greenhouse high-yield culturing, adopt artificially feed can make up the deficiency of greenhouse illumination under certain condition, the normal growth effectively maintaining chamber crop is grown, and improves the yield and quality of crop.Conventional incandescent lamp, fluorescent light or iodine-tungsten lamp.Incandescent lamp uses reliable, cheap, and circuit structure is also simple, but luminescence efficiency is low, and the life-span is shorter.Only do secondary light source application at present.Fluorescent light luminescence efficiency is high, is about 4 times of incandescent lamp, reaches 51 ~ 84%.Reach more than 3000 hours serviceable life, and low price, be use the most general a kind of light source at present.Iodine-tungsten lamp volume is little, and finishing is convenient, and fault is few.Also be one of greenhouse Ordinary Light Sources Have.
Growing of crop requires to carry out under certain temperature conditions, and in the northern area of China, from late autumn to spring, in order to make the temperature in greenhouse, ground temperature remains in the optimum range of crop growth, just must carry out supplementary heating---heating.The present invention adopts hot-water type heating equipment, is made up of hot-water boiler, heat supply pipeline and heat dissipation equipment three essential parts.Stable and reliable operation is heating system the most frequently used at present.Its advantage is temperature stabilization in greenhouse, even, system thermal inertia is large, energy-conservation; Greenhouse heating system generation emergency, during interim stopping heating, can not cause large impact to crop.
When warm indoor temperature is more than 35 DEG C, just can not normally produce in greenhouse.In order to maintain warm indoor air temperature, ground temperature in crop growth suitable temperature range, the heat flowed in greenhouse need be forced to get rid of, to reach the object of cooling.The present invention adopts wet curtain cooling system, and this system is made up of wet curtain case, circulation, axial flow blower and control system; Described wet curtain case is made up of casing, wet curtain, water distributor and water collector.
Ventilated by ventilation equipment.Ventilate and mainly foul indoor air directly or after purification is drained into outdoor, reach the object got rid of waste heat in greenhouse, get rid of air composition in remaining wet and adjustment greenhouse.
Being irrigated by the equipment of pouring water, in order to improve greenhouse water application efficiency, reducing greenhouse air humidity, in greenhouse, the normal method of localized irrigation that adopts carries out hothouse plants water supply.General irrigation throughput ratio is irrigated much smaller comprehensively, therefore irrigates also known as trace, is called for short slight irrigation.The soil of slight irrigation only moistening surrounding plants when irrigating, away from plant root in the ranks or between soil still keep dry.
By carbon dioxide by the equipment of giving, solve warm indoor carbon dioxide not enough, and supply the optimum carbon dioxide content of crop, to obtain the plant product of high yield and high quality.
Master system: mainly comprise the functions such as data display, editing equipment management, data management.
The real-time display module of data: mainly by various sensor Real-time Collection to environmental parameter, video data, equipment running status show, to meet the demand that people monitor greenhouse.
Editing equipment management module: this module is the core of whole system, by this module, user can control all devices in whole Greenhouse System, and can check the real-time behavior in any one greenhouse, can carry out real time remote control and process the abnormal conditions in greenhouse.And switch greenhouse by manual/auto controlling functions key can only the mode that controls of Monitor Equipment.
Data management module: user by access system server, any historical data of telereference play back center end.System provides the function of intelligent quick-searching playback history data, and can on time ask, abnormal conditions etc. is retrieved, and greatly reduces retrieval time and complexity, makes user promptly can find the historical summary of needs.
Native system can gather the every data in greenhouse, utilizes sensor by the change of warmhouse booth environment, is transformed into digital quantity, and its value, by single-chip microcomputer process, is finally gone to control liquid crystal display by single-chip microcomputer, the actual environment situation in display warmhouse booth.Control system can according to warm indoor temperature, humidity, gas concentration lwevel, the isoparametric change of intensity of illumination simultaneously, according to the condition preset, equipment is supplemented etc. to light source, hot-water type heating equipment, Wet-curtain temperature reducing equipment, ventilation equipment, pour water equipment and carbon dioxide and carry out Automatic Control, also can realize Non-follow control as required.System has powerful, superior performance, flexible configuration, the advantage such as safe and reliable.
Claims (7)
1. a Greenhouse automatic control system, is characterized in that comprising host computer and slave computer, and described host computer comprises editing equipment management module, data implement display module and data management module; Described slave computer is system front end controller, comprises transducing part, data acquisition control part and execution part;
Described data acquisition control part is connected with data acquisition control part by load module with execution part; Data acquisition control part is connected with host computer;
Described enforcement division is divided and is comprised light source, hot-water type heating equipment, Wet-curtain temperature reducing equipment, ventilation equipment, pour water equipment and carbon dioxide ancillary equipment.
2. Greenhouse automatic control system as claimed in claim 1, is characterized in that described transducing part comprises soil moisture sensor, soil temperature sensor, aerial temperature and humidity sensor, optical sensor, rain sensor, evaporation gauge and wind speed and direction compound sensor.
3. Greenhouse automatic control system as claimed in claim 1, is characterized in that described part of data acquisition is 16 single-chip microcomputers, adopts MODBUS stipulations, has PR485 interface and RS232 interface.
4. Greenhouse automatic control system as claimed in claim 1, is characterized in that described light source comprises incandescent lamp, fluorescent light or iodine-tungsten lamp.
5. Greenhouse automatic control system as claimed in claim 1, is characterized in that described temperature raising device is made up of hot-water boiler, heat supply pipeline and heat dissipation equipment.
6. Greenhouse automatic control system as claimed in claim 1, is characterized in that described cooling system is made up of wet curtain case, circulation, axial flow blower and control system; Described wet curtain case is made up of casing, wet curtain, water distributor and water collector.
7. Greenhouse automatic control system as claimed in claim 1, is characterized in that described equipment of pouring water is made up of water source, head pivot, water-supply pipeline and douche.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410618213.0A CN104407652A (en) | 2014-11-05 | 2014-11-05 | Automatic control system for greenhouse |
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| CN201410618213.0A CN104407652A (en) | 2014-11-05 | 2014-11-05 | Automatic control system for greenhouse |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932593A (en) * | 2015-06-30 | 2015-09-23 | 成都点石创想科技有限公司 | Environment coefficient monitoring management system applied to greenhouse |
| CN105334897A (en) * | 2015-11-20 | 2016-02-17 | 福建师范大学福清分校 | ARM-based wireless vegetable greenhouse intelligent system and implementation method thereof |
| CN105404335A (en) * | 2015-11-11 | 2016-03-16 | 无锡港湾网络科技有限公司 | Greenhouse automatic management system |
| CN105549664A (en) * | 2016-01-26 | 2016-05-04 | 东莞辰达电器有限公司 | Plant environment control system |
| CN105608870A (en) * | 2015-12-31 | 2016-05-25 | 天津澳盛能源科技服务有限公司 | Leakage management system for underground pipeline |
| CN106227277A (en) * | 2016-08-31 | 2016-12-14 | 苏州市职业大学 | A kind of SCM Based control system for small greenhouse |
| CN114442706A (en) * | 2022-01-10 | 2022-05-06 | 广东博力威科技股份有限公司 | Control method, system, equipment and storage medium of intelligent atomizer |
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| CN101430112A (en) * | 2008-12-08 | 2009-05-13 | 昆明理工大学 | Automatic control device for greenhouse hot-water heating |
| CN202842011U (en) * | 2012-10-26 | 2013-04-03 | 石家庄维拓科技有限公司 | Automatic control system for greenhouse |
| CN203658882U (en) * | 2013-12-15 | 2014-06-18 | 杨学柱 | Automatic control system for solar greenhouse |
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2014
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Patent Citations (4)
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| WO2008002686A2 (en) * | 2006-06-29 | 2008-01-03 | Houweling Nurseries Oxnard, Inc. | Greenhouse and forced greenhouse climate control system and method |
| CN101430112A (en) * | 2008-12-08 | 2009-05-13 | 昆明理工大学 | Automatic control device for greenhouse hot-water heating |
| CN202842011U (en) * | 2012-10-26 | 2013-04-03 | 石家庄维拓科技有限公司 | Automatic control system for greenhouse |
| CN203658882U (en) * | 2013-12-15 | 2014-06-18 | 杨学柱 | Automatic control system for solar greenhouse |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932593A (en) * | 2015-06-30 | 2015-09-23 | 成都点石创想科技有限公司 | Environment coefficient monitoring management system applied to greenhouse |
| CN105404335A (en) * | 2015-11-11 | 2016-03-16 | 无锡港湾网络科技有限公司 | Greenhouse automatic management system |
| CN105334897A (en) * | 2015-11-20 | 2016-02-17 | 福建师范大学福清分校 | ARM-based wireless vegetable greenhouse intelligent system and implementation method thereof |
| CN105608870A (en) * | 2015-12-31 | 2016-05-25 | 天津澳盛能源科技服务有限公司 | Leakage management system for underground pipeline |
| CN105549664A (en) * | 2016-01-26 | 2016-05-04 | 东莞辰达电器有限公司 | Plant environment control system |
| CN106227277A (en) * | 2016-08-31 | 2016-12-14 | 苏州市职业大学 | A kind of SCM Based control system for small greenhouse |
| CN114442706A (en) * | 2022-01-10 | 2022-05-06 | 广东博力威科技股份有限公司 | Control method, system, equipment and storage medium of intelligent atomizer |
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Application publication date: 20150311 |
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