CN104571225A - Intelligent greenhouse monitoring system - Google Patents
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- CN104571225A CN104571225A CN201310499693.9A CN201310499693A CN104571225A CN 104571225 A CN104571225 A CN 104571225A CN 201310499693 A CN201310499693 A CN 201310499693A CN 104571225 A CN104571225 A CN 104571225A
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Abstract
The invention discloses an intelligent greenhouse monitoring system which comprises a sensor, a single-chip microcomputer control device and a host computer control device. The intelligent greenhouse monitoring system has the advantages that signals can be monitored in a diversification manner, that is, monitoring signals comprise multiple different types of signals of temperature, humidity, illuminance, carbon dioxide concentration and the like; signals in the same type further have multiple detection points; signals can be continuously monitored, that is, the detection on information of multiple environment parameters inside a greenhouse is a dynamic and continuous process; data can be acquired and processed in real time, so that real-time evaluation can be made, corresponding control measures can be taken, and attack of natural disaster can be prevented; functions can be easily expanded, that is, the system adopts object targeted mechanisms and modulation structure design, and under the condition that the system structure is not changed, new modules can be easily added, and the functions of the system can be easily and conveniently expanded.
Description
Technical field
The present invention relates to agriculture production technology monitoring aspect, field, specifically a kind of warmhouse booth intelligent monitor system.
Background technology
The development of agricultural must walk this road of agricultural modernization, and along with increasing rapidly of national economy, the investigation and application technology of agricultural more and more comes into one's own, and particularly warmhouse booth has become an important component part of high-efficiency agriculture.An important ring in agricultural modernization production is exactly carry out detection and control to some important parameters of agriculture production environment.Such as: the water cut etc. of the temperature of air, humidity, carbon dioxide content, soil.In agricultural planting problem, greenhouse and biological growth, growth, energy exchange are closely related, carrying out condition test-control is realize hothouse production management automation, scientific basic guarantee, by the analysis to Monitoring Data, in conjunction with crop growth rule, control environment condition, makes crop reach high-quality, highly efficient and productive cultivation object.With green house of vegetables be representative modern agriculture facility agricultural modernization produce in play huge effect.The parameters such as the temperature in booth, humidity and carbon dioxide content, are directly connected to the growth of vegetables and fruit.External chamber facility is own through developing into more complete degree, and defines certain standard, but price is very expensive, lacks the TT&C software adapted with China's climatic characteristic.And current great majority all adopt labor management to the Detection & Controling of greenhouse temperature, humidity, carbon dioxide content, inevitably like this have that Measure Precision is low, labour intensity is large and due to the observing and controlling drawback such as not in time, easily cause irretrievable loss, result not only considerably increases cost, waste human resources, and be difficult to get a desired effect.Therefore, improve the accuracy of agricultural research in order to realize that high-efficiency agriculture produces scientific, promote the development of China's agricultural, agricultural facility and corresponding agricultural engineering must be greatly developed, regulate the content of canopy temperature, humidity and carbon dioxide scientifically and rationally, making to be formed with in booth the environment being beneficial to veterinary antibiotics growth, is that booth vegetable and fruit are precocious, the important step of high-quality and efficient benefit.At present, along with increasing rapidly of green house of vegetables, people are also more and more higher to its performance requirement, particularly in order to enhance productivity, require also more and more higher to the automaticity of booth.Due to the rapid raising of single-chip microcomputer and various electron device cost performance, this requirement is made to become possibility.Current agricultural warmhouse booth be mostly in, on a small scale, will induce one automation control system in booth, changes the mode of whole labor management, the cost of system will be considered, therefore, for this situation, in conjunction with the needs of suburb peasant household, devise the temperature and humidity regimes of a set of low cost.This system adopts sensor technology and single-chip microcomputer to combine, and is made up of, adopts 485 interfaces to carry out communication, realize warmhouse booth Automated condtrol host computer and slave computer (all using chip microcontroller).
At present, along with increasing rapidly of green house of vegetables, people are also more and more higher to its performance requirement, particularly in order to enhance productivity, require also more and more higher to the automaticity of booth.Due to the rapid raising of single-chip microcomputer and various electron device cost performance, this requirement is made to become possibility.
Greenhouse a kind ofly can change plant growth environment, creates top condition, the place of avoiding extraneous Four seasons change and weather extremes to affect it for plant growth.It is using daylighting cladding material as all or part of structured material, can in the winter time or other be not suitable for the cultivated plant in season of open country plant growth.Hothouse production regulates term, enhancing development to reach, prevention and elimination of disease and pests and improving for the purpose of quality, output etc.And the gordian technique of chamber facility is environmental Kuznets Curves, the final goal of this technology improves to control and homework precision.
Abroad to Status quo of Greenhouse Environment Control Technology research comparatively early, 20 century 70s are started from.Adopted analog combination instrument before this, collection site information also carries out indicating, record and controlling.There is dcs the end of the eighties.The multiple-factor complex control system of positive development computer data acquiring control system at present.The green house control technical development of present countries in the world is very fast, some countries on the basis realizing robotization just towards full automation, unmanned future development.
From the state of development of domestic and international green house control technology, Status quo of Greenhouse Environment Control Technology roughly experiences three developing stage:
(1) Non-follow control; This is the control device taked in the greenhouse technology early stage of development, does not have control system truly and topworks at that time.The grower of production line is the sensor of greenhouse, is again the topworks managed chamber crop, and they are cores of greenhouse flower.By to the climate condition inside and outside greenhouse and the observation to crop growth conditions, infer by means of the experience of long term accumulation and intuition and judge, manual adjustments greenhouse environment.Grower adopts manual control mode, and the reaction for crop growth conditions is that it meets the production law of traditional agriculture the most directly, the most rapidly and be the most effective.But the labour productivity of this control mode is lower, be not suitable for the needs of process of Industrial Agriculture production, and higher to the competency profiling of grower.
(2) automatically control; This control system needs grower to input the target component of the required environment of chamber crop growth, computing machine compares according to the actual measured value of sensor and the desired value set in advance, to determine the control procedure of greenhouse environment factor, control corresponding mechanism and carry out heating, lower the temperature and the action such as ventilation.The green house control technology of computer controlled automatic achieves the production automation, and be applicable to large-scale production, labour productivity is improved.By changing greenhouse target setting value, can automatically carry out greenhouse environment climate regulation, but the change of this control mode to crop growth conditions being difficult to make a response in time, being difficult to the inherent law getting involved plant growth.The current China overwhelming majority large-scale modern greenhouse of independent development and the overseas equipment of introduction all belong to this control mode.
(3) intelligentized control method; This is on the basis of greenhouse automatic control technology and production practices, expert system is built by summing up, collecting agriculture knowledge, technology and various test figure, to set up the mathematical model of plant growth for theoretical foundation, the greenhouse expert control system technology of a kind of applicable Different Crop growth of researching and developing.Green house control technology along manually, automatically, the development process of intelligentized control method, towards the future development more and more advanced, function is more and more complete.As can be seen here, greenhouse flower is towards based on the greenhouse automatic information collecting of crop growth model, greenhouse integrated environment Factor Analysis Model and agriculture specialist system and Based Intelligent Control trend development.
Greenhouse is one of requisite facility during ornamental plant cultivation is produced, the requirement of variety classes ornamental flower to the required condition of the growth such as temperature and humidity is also not quite similar, for they provide closed, the good living environment of its growth preferably, to do sth. in advance or to postpone the florescence, finally huge economic benefit will be brought to us.Along with the development of modern science and technology, robot calculator is for controlling greenhouse.This system automatically can control heating, cooling, ventilate.As required, by button, temperature information is inputted MCU, according to circumstances can adjusting ambient at any time.Greenhouse automation control system, in the utilization of large-scale modern greenhouse, is the embodiment of facility cultivation new and high technology.
At present, the simple and easy heliogreenhouse overwhelming majority that China rural area uses adopts Non-follow control, and production efficiency is low, and the production cost of unit product is higher.Along with the development of greenhouse industry, chamber crop trends towards variation, also improves the control overflow in greenhouse thereupon, and Non-follow control has started the demand that can not meet hothouse production because its control accuracy is low, needs to design a kind of controller and reduces Non-follow control.And the common intelligent greenhouse system of Now Domestic is all adopt industrial computer or PLC scheme, expensive, major part user economic capability is held and is dared not accept.Therefore, will take into full account the ability to shoulder economically of user in the design process of system, reduce the various costs in Design of Greenhouse, raise labour productivity, this has comparatively profound significance on greenhouse.
Summary of the invention
For the defect of prior art, exploitation one utilizes low-cost general electron device, and parameters precision is high, and control operation is convenient, what cost performance was high be applied to warmhouse booth intelligent monitor system that agricultural planting produces, realizes reasonably controlling the growth of plant.
For achieving the above object, the technical solution used in the present invention is: warmhouse booth intelligent monitor system comprises sensor, monolithic processor control device and PC control device.
Further, described sensor comprises temperature sensor, humidity sensor, optical sensor, soil analysis sensor and CO2 sensor.
Further, described monolithic processor control device comprises ADC0809 digital-to-analog conversion, single chip computer89C51, relay and waits upon and takes motor.
Further, described single-chip microcomputer comprises acquisition module, control module and communication module;
Further, described acquisition module completes the reading of control to the passage of ADC0809 and transformation result, and result is kept in personal data district.
Further, described control module comprises temperature control, air humidity control, illumination control, soil moisture control.According to different control overflow, send different control signals, by relay, travel switch, motor, gauge tap window, roof spray, sunshade net, drip irrigation, reach the requirement controlled in real time.
Further, the parameter collected is passed to host computer by described communication module, and receives the control information that host computer sends; Realize the communication between host computer and single-chip microcomputer, be convenient to user's telemanagement, the data of collection and the current status information of control device are delivered to host computer by RS-485 by single-chip microcomputer, realize uploading of information.
Wherein, the principle of work of single-chip computer control system and microsystem is that it mainly comprises: ADC0809 digital-to-analog conversion, single chip computer89C51, relay, wait upon take motor, SCB-51-IU single chip application plate that native system adopts startup three ring computing machine factory to produce, adopt sheet select method be equipped with 89C51,2764, ADC0809, the chips such as 8155, there is stronger antijamming capability microsystem and adopt common microcomputer.
1.A/D changes; This design is selected ADC0809 that each detected voltage signal is converted to digital signal and is delivered to master controller, and it is high that its advantage is to change precision, and antijamming capability is strong, and the linearity is high, and by directly realizing temperature, the isoparametric switching of soil moisture content under software journey.
2. system controller; This design selects the single chip computer AT 89C55 of 20K byte of memory storer and inner 256 byte RAM as primary controller.This system carries out tour inspection by single-chip microcomputer to parameters such as temperature humidity, and is optimized compensation to the result measured, and regulates and controls, and in addition, master controller can also completion system parameter measurement simultaneously, and data store, and with the function such as host computer communicates.Primary controller controlling functions mainly comprises the controls such as damping, temperature adjustment and outdoor insulation.Damping, controls heating furnace by AT89C55 and blower fan completes intensification, and room temperature lowering completes mainly through vent fan and completes with blower fan.Soil damping realizes mainly through the fertilizer that waters, adds, and can automatically complete or adopt additional alarm, by manually completing.Outdoor heat preservation ventilating light modulation mainly adopts automatic or semi-automatic that external unit completes.Keyboard and display are completed by HD7279A.
From the above technical solution of the present invention shows that, the present invention is compared with traditional monitoring system, and it has following advantage and useful effect:
1. the diversification of signal monitoring; Pilot signal has the signal of the number of different types such as temperature, humidity, illuminance, gas concentration lwevel, and the signal of same type has again some multiple check points.
2. the serialization of signal monitoring; A dynamic continuous process to the detection of various environmental parameters information in greenhouse.Change due to outside climatic environment has very large randomness, will keep the relatively stable of greenhouse environment in real time, must monitor continuously it.
3. the real time implementation of data acquisition and procession; In order to ensure the change detecting greenhouse environment in real time, data acquisition and procession will meet regular hour restriction, can make evaluation in real time, takes corresponding control measure, the attack of withstanding natural calamities, and the accident that prevents an accident occurs.
4. the easy extendibility of function; Design employing Object-oriented Mechanism and Modular Structure Design, when not needing to change system architecture, easily increase new module, the function of system expanded easy, convenient.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of warmhouse booth intelligent monitor system embodiment 1 of the present invention;
Fig. 2 is the main hardware composition diagram of warmhouse booth intelligent monitor system embodiment 1 of the present invention;
Fig. 3 is the main hardware composition diagram of warmhouse booth intelligent monitor system embodiment 2 of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further; As Fig. 1 shows, whole system adopts STC89C58RD+ single-chip microcomputer for process core, the environmental factor such as temperature, humidity, illuminance in greenhouse is detected by the existing various sensor in greenhouse, be transferred in CPU via 8 tunnel analog quantitys of control system, digital-quantity input interface, and compare with default value, judge, process and the storage of related data.Then various control result after CPU process is sent in the topworks such as motor and solenoid valve by 16 way switch amount delivery outlets, thus realizes the control to greenhouse.In greenhouse autonomous control system, also bag expands various man-machine interface and data transmission interface, achieves the setting of human-computer exchange mode and real-time parameter.This control system adopts macrocrystalline scientific & technical corporation to produce STC51 series monolithic controller (STC89C58RD+).This single-chip microcomputer has strong encryption, cannot decipher, and have superpower interference free performance, and chip internal carries house dog.STC89C58RD+ single-chip microcomputer maximum clock frequency is the flash storage of 0 ~ 80MHz, 32k, the RAM of 1280 bytes, have that P4 mouth is applicable to the system of the many I/O of needs, the E2PROM of 16k byte can provide storage space more more than other single-chip microcomputer.It does not need to rely on any cd-rom recorder, directly carries out burning by the serial ports on computer in ISP mode.The burning mode of this single-chip microcomputer is easily simple to operate, and the debugging of program is flexible, and amendment is convenient, and by impact and the restriction of region, time and environment, and after can be, the improvement of product and upgrading are provided convenience.
As shown in Figure 2, the main hardware composition diagram of embodiments of the invention 1, whole system adopts modular design, hardware configuration is by sensor and single-chip microcomputer, control device forms, physical parameter is converted to voltage and the conditioning of settling signal by sensor, make a gift to someone analog to digital converter ADC0809 again, read by the next chip processor AT89S51, data are given host computer by 485 buses by single-chip microcomputer, host computer is provided with Presentation Function, the measure that will take is determined according to the parameter pre-set, and information is passed to slave computer, controlled to ventilate and rainer by slave computer, also can force to control by keyboard.The composition of Intelligent Greenhouse control system is based on two aspects: single-ridgepole glasshouse greenhouse control system and intensive manufacture multispan greenhouse control system.The latter is based upon on the former basis, and the former is suitable for the self-employed present situation in China rural area.For single-ridgepole glasshouse greenhouse control system, be provided with and independently control and the function such as display, and be provided with RS-232 and RS-485 communication interface, be convenient to communicate with host computer, realize Distributed Control System (DCS); In addition, consider the feature that agriculture is produced in the design process, each several part interface of each system has done modular design, and increase spare interface and function, be convenient to the change that booth produces reconstruction and production site, too increase the versatility of system, expand the scope of application.
Fig. 3 is the main hardware composition diagram of warmhouse booth intelligent monitor system embodiment 2 of the present invention; System is made up of 3 parts: (1) signal conversion part divides.Its function is by temperature, humidity, illuminance and the gas concentration lwevel signal in sensor pickup warmhouse booth, to meet the requirement of data collecting card to signal; (2) signal processing and analysis process and control section.Its function, for realizing data acquisition, is carried out analysis processing process to image data, is exported corresponding control signal; (3) servo control mechanism part.Its function performs corresponding control command.
Scm software designs, and its main functional modules has: acquisition module, control module, communication module.
1. acquisition module; Acquisition module mainly completes the reading of control to the passage of ADC0809 and transformation result, and result is kept in personal data district.By realizing timing to the counting of AT89S51 timer T0, every 15min gathers 1 time, uses timer T, and the acquisition time interval of three parameters is determined in timing, is decided to be 0.50s.Be furnished with the input end that the signal of collection is delivered to the timer T0 in 89C51 by temperature, humidity, soil moisture, optical sensor, temperature sensor in greenhouse, by the counting to timer T0, realize the collection of temperature; The magnitude of voltage that degree, soil moisture, optical sensor gather, respectively by correction, is converted to 0 V-5 V voltage of standard, delivers to the input end of ADC0809, then through digital-to-analog conversion, be transformed to digital signal, deliver to 89C51.Because the collection of sensor, ADC0809, slewing rate are fast, can gather thousands of bar data in one minute, greenhouse environment factor variations is so not fast, in actual applications, there is no need all to process these data, so will be controlled the cycle gathered.This experiment gathers temperature, humidity, soil moisture, an optical sensor in every five minutes, and collection value is delivered to 89C51.
2. control module; Control module divides temperature control, air humidity control, illumination control, soil moisture to control.According to different control overflow, send different control signals, by relay, travel switch, motor, gauge tap window, roof spray, sunshade net, drip irrigation, reaching the requirement control module controlled in real time realizes ventilating and the control of rainer, when receiving the control signal of host computer, corresponding pin zero setting can be opened ventilation and rainer.Control module divides temperature control, humid control, illumination to control, when the temperature in greenhouse is higher than the upper temperature limit set, to be windowed ventilation by windowing facility, spray equipment sprays on roof, reach the object of greenhouse cooling, when the temperature in greenhouse is lower than the lowest temperature set, realize being incubated object by closing window.The control of humidity is realize illumination by spray in window and greenhouse to control to be realized by sunshade net equally, when the intensity of illumination of the sun is higher than the illumination value set, close sunshade net, lower than the value of setting, open sunshade net, drip irrigation controls to be when the value of soil moisture sensor is lower than the value set, and opens drip irrigation appliance and irrigates.
3. communication module; The parameter collected can be passed to host computer by communication module, and receives the control information that host computer sends.Realize the communication between host computer and single-chip microcomputer, be convenient to user's telemanagement, the data of collection and the current status information of control device are delivered to host computer by RS-485 by single-chip microcomputer, realize uploading of information.First communication module needs Initialize installation, arranges the working method of the working method of serial ports, baud rate, timer, arranges serial ports interrupt bit and global interrupt position.Next arranges the frame format of transmission data, and the data to host computer transmission have the state etc. of temperature, humidity, illumination, current device, need diacritics between different data, adds contact mark and end mark at the head of data field; The data receiving host computer have various control signal, between each control signal, have diacritics, have marking signal end to end equally in data field, and object is that to distinguish be valid data or error code.If error code, then do not process, do not perform control treatment program, directly exit interruption; If valid data, then receive, and operate according to control signal, send order to control assembly, the parts such as gauge tap window, sunshade net, reach the object controlled in real time.Last in master routine, use sequential system to send data to microcomputer; Use interrupt mode accepts the data that microcomputer is sent.
Warmhouse booth automatic control system is the resource-intensive approach high-efficiency agriculture mode of production being equipped with greenhouse environment control system, it in controllable greenhouse microclimate environment with while adapting to crop growth requirement, not only achieve the counter-seas on production of crop, also improve the quality of crop and the efficiency of crop production.In recent years along with the develop rapidly of the new and high technologies such as sensor technology, computer technology, network technology, intelligent control technology and biotechnology and means, bring a revolution of greenhouse flower aspect.Greenhouse environment control system constantly absorbs the new Theories and methods of association area, in conjunction with the feature of chamber crop plantation, constantly brings forth new ideas, gradual perfection.
In sum, above instructions word and accompanying drawing are only explanation of the invention and explanation, in any form the present invention be not construed as limiting and limit, scope of the present invention is as the criterion with claims, and all do not exceed the apparent amendment of present inventive concept, conversion and replacement scheme all within the scope of the present invention.
Claims (7)
1. a warmhouse booth intelligent monitor system, is characterized in that, comprises sensor, monolithic processor control device and PC control device.
2. warmhouse booth intelligent monitor system according to claim 1, is characterized in that, described sensor comprises temperature sensor, humidity sensor, optical sensor, soil analysis sensor and CO2 sensor.
3. warmhouse booth intelligent monitor system according to claim 1, is characterized in that, described monolithic processor control device comprises ADC0809 digital-to-analog conversion, single chip computer89C51, relay and waits upon and takes motor.
4. warmhouse booth intelligent monitor system according to claim 1, is characterized in that, described single-chip microcomputer comprises acquisition module, control module and communication module;
5. warmhouse booth intelligent monitor system according to claim 4, is characterized in that, acquisition module completes the reading of control to the passage of ADC0809 and transformation result, and result is kept in personal data district.
6. warmhouse booth intelligent monitor system according to claim 4, is characterized in that, control module comprises temperature control, air humidity control, illumination control, soil moisture control.According to different control overflow, send different control signals, by relay, travel switch, motor, gauge tap window, roof spray, sunshade net, drip irrigation, reach the requirement controlled in real time.
7. warmhouse booth intelligent monitor system according to claim 4, is characterized in that, the parameter collected is passed to host computer by communication module, and receives the control information that host computer sends; Realize the communication between host computer and single-chip microcomputer, be convenient to user's telemanagement, the data of collection and the current status information of control device are delivered to host computer by RS-485 by single-chip microcomputer, realize uploading of information.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807824A (en) * | 2016-04-29 | 2016-07-27 | 无锡中科智能农业发展有限责任公司 | Kinect-based intelligent farmland monitoring method and system |
| CN105815201A (en) * | 2016-04-03 | 2016-08-03 | 合肥博雷电子信息技术有限公司 | Greenhouse soilless culture intelligent monitoring system based on Internet of Things |
| CN105867327A (en) * | 2016-04-13 | 2016-08-17 | 郑州职业技术学院 | Agricultural greenhouse based on Internet-of-things |
| CN106200725A (en) * | 2016-08-16 | 2016-12-07 | 黑龙江工业学院 | One utilizes computer to the test of hothouse plants cultivation condition and regulation and control method |
| CN106483982A (en) * | 2016-10-25 | 2017-03-08 | 华南师范大学 | A kind of multichannel intelligent sunshade control system |
| CN106774535A (en) * | 2015-11-23 | 2017-05-31 | 安徽皓天智能环境设备科技有限公司 | A kind of intelligent greenhouse environmental control system |
| CN106768082A (en) * | 2017-03-01 | 2017-05-31 | 杭州意能科技有限公司 | Intelligent ring main unit condition monitoring system |
| CN108925310A (en) * | 2018-09-14 | 2018-12-04 | 苏州格瑞格登新材料科技有限公司 | A kind of greenhouse gardening lifecycle management system of agricultural |
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2013
- 2013-10-22 CN CN201310499693.9A patent/CN104571225A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774535A (en) * | 2015-11-23 | 2017-05-31 | 安徽皓天智能环境设备科技有限公司 | A kind of intelligent greenhouse environmental control system |
| CN105815201A (en) * | 2016-04-03 | 2016-08-03 | 合肥博雷电子信息技术有限公司 | Greenhouse soilless culture intelligent monitoring system based on Internet of Things |
| CN105867327A (en) * | 2016-04-13 | 2016-08-17 | 郑州职业技术学院 | Agricultural greenhouse based on Internet-of-things |
| CN105807824A (en) * | 2016-04-29 | 2016-07-27 | 无锡中科智能农业发展有限责任公司 | Kinect-based intelligent farmland monitoring method and system |
| CN105807824B (en) * | 2016-04-29 | 2017-11-07 | 无锡中科智能农业发展有限责任公司 | A kind of intelligent farm monitoring method and system based on Kinect |
| CN106200725A (en) * | 2016-08-16 | 2016-12-07 | 黑龙江工业学院 | One utilizes computer to the test of hothouse plants cultivation condition and regulation and control method |
| CN106483982A (en) * | 2016-10-25 | 2017-03-08 | 华南师范大学 | A kind of multichannel intelligent sunshade control system |
| CN106768082A (en) * | 2017-03-01 | 2017-05-31 | 杭州意能科技有限公司 | Intelligent ring main unit condition monitoring system |
| CN108925310A (en) * | 2018-09-14 | 2018-12-04 | 苏州格瑞格登新材料科技有限公司 | A kind of greenhouse gardening lifecycle management system of agricultural |
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