CN105867496A - Intelligent greenhouse control device and control method based on PLC (Programmable Logic Controller) - Google Patents
Intelligent greenhouse control device and control method based on PLC (Programmable Logic Controller) Download PDFInfo
- Publication number
- CN105867496A CN105867496A CN201610456155.5A CN201610456155A CN105867496A CN 105867496 A CN105867496 A CN 105867496A CN 201610456155 A CN201610456155 A CN 201610456155A CN 105867496 A CN105867496 A CN 105867496A
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- carry out
- greenhouse
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 41
- 239000002689 soil Substances 0.000 claims description 38
- 238000004364 calculation method Methods 0.000 claims description 37
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 31
- 238000005457 optimization Methods 0.000 claims description 30
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- 238000005286 illumination Methods 0.000 claims description 14
- 210000003608 fece Anatomy 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000010871 livestock manure Substances 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000013480 data collection Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 239000003337 fertilizer Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 230000008635 plant growth Effects 0.000 abstract description 3
- 230000004720 fertilization Effects 0.000 abstract 1
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012271 agricultural production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The invention discloses an intelligent greenhouse control device and control method based on a PLC (Programmable Logic Controller). How to regulate and control a greenhouse environment, control irrigation and fertilization and acquire the optimal conditions for plant growth are problems to be solved urgently. The intelligent greenhouse control device based on the PLC consists of a shell (17), wherein a central control device (12) is mounted inside the shell; the central control device is connected with a keyboard (9) and a display (11) mounted on the shell; the central control device is connected with a main control PLC (15); the central control device is further connected with a communication terminal (6) of mobile equipment based on internet; the main control PLC is connected with a ZigBee wireless terminal (13), an execution control equipment module circuit (8) and a data acquisition and transmission equipment module circuit (16) respectively; and the ZigBee wireless terminal is wirelessly connected with a mobile phone (14). The invention discloses the intelligent greenhouse control device and control method based on the PLC.
Description
Technical field:
The present invention relates to a kind of automatic control field, particularly relate to a kind of based on
PLC
The intelligent greenhouse of controller controls device and control method.
Background technology:
Greenhouse is daylighting building, and light transmittance is the basic index evaluating greenhouse light transmission, and light transmittance refers to the percentage ratio of the quantity of illumination and the outdoor quantity of illumination penetrating in greenhouse；Tradition greenhouse light transmittance is affected by greenhouse glazing material light transmission and Keelof green house shadow factor, and along with the difference of Various Seasonal solar radiation angle, the light transmittance in greenhouse also changes at any time；The height of greenhouse light transmittance just becomes plant growth and selects the direct acting factor of long-term cropping kind；The heat-insulating property of tradition warmhouse booth is to improving productivity effect, reduce energy consumption, also it is critical that, application network technology and artificial intelligence are polymerized with automatic technology and integrated application the most effectively, under greenhouse experiment, single-ridgepole glasshouse be may utilize technology of Internet of things, become wireless sensor network one and measure control zone, use different sensor nodes and there is the node of simple actuator, actuator as on the low side in operating currents such as blower fan, low voltage motor, valves, constitute wireless network, measure soil humidity in greenhouse, composition,
pH
Value, temperature and air humidity, air pressure, intensity of illumination, gas concentration lwevel etc., then by model analysis, auto-control greenhouse, control are irrigated and fertilising operation, thus obtain the optimum condition of plant growing, are one of people's problem demanding prompt solutions.
Summary of the invention:
It is an object of the invention to provide a kind of based on
PLC
The intelligent greenhouse of controller controls device and control method.
Above-mentioned purpose is realized by following technical scheme:
A kind of based on
PLC
The intelligent greenhouse of controller controls device, and its composition includes: housing, is provided with control device in described housing, and described control device connects the keyboard and display being arranged on housing respectively, and described control device connects master control
PLC
, described control device be also connected with based on
internet
The communicating terminal of mobile device, described master control
PLC
On respectively connected
ZigBee
Wireless terminal, execution control EM equipment module circuit and data acquisition transmission equipment modular circuit, described
ZigBee
Wireless terminal wireless connections are in mobile phone.
Described
PLC
The intelligent greenhouse of controller controls device, described execution control EM equipment module circuit control respectively sun-shading equipment, humidification apparatus, air regenerating device, heat-preserving equipment,
CO2
Generating means, light filling equipment and liquid manure equipment；Described data acquisition transmission equipment modular circuit is connected to
PH
Value sensor, soil humidity sensor, soil temperature sensor, air humidity sensor, air temperature sensor,
CO2
Concentration sensor and illuminance sensor.
Described
PLC
The intelligent greenhouse of controller controls device, described
ZigBee
Wireless terminal is connected with the communication interface being arranged on apparatus surface, described
PLC
Controller is Siemens's series
PLC
Or Schneider series
PLC
Or Mitsubishi Electric's series
PLC
Or Panasonic's series
PLC
Or
ABB
Series
PLC
Or the grandest series
PLC
Or Delta series
PLC
Or Hollysys's series
PLC
, described
PH
Value sensor is polytetrafluoro electric pole type
PH
Value sensor, described soil humidity sensor and air humidity sensor are electrolyte humidity sensors or semiconductive ceramic humidity sensor or organic high molecular polymer humidity sensor, described soil temperature sensor and air temperature sensor are the temperature sensor researched and developed based on day resistance or thermocouple or integrated form temperature sensor or digital temperature sensor, described
CO2
Concentration sensor is semiconductor-type gas concentration lwevel sensor or catalyst-type gas concentration lwevel sensor or thermal conductance pool gas concentration lwevel sensor or infrared-type gas concentration lwevel sensor or electric chemical formula gas concentration lwevel sensor, and described illuminance sensor is light-sensitive element formula illuminance sensor.
Described
PLC
The intelligent greenhouse of controller controls device, it is water-fertilizer integral spray, atomising device that described sun-shading equipment includes shutter, shade net, described humidification apparatus and liquid manure equipment, and described air regenerating device is ventilation fan, described heat-preserving equipment includes underground heat pipeline and cotton-wadded quilt, described
CO2
Generating means is
CO2
Generator, described light filling equipment is light compensating lamp.
Described
PLC
The intelligent greenhouse of controller controls the control method of device, and described system is made up of following two parts: automatic control mode, MANUAL CONTROL mode, and described control method is: (one) automatic control mode: (
1
) and transmitted data acquisition extremely by data collecting system
PLC
, pass through
PLC
Calculation process verification model carries out order to executive component, and executive component carries out action to be affected temperature indoor environment；(
2
) and transmitted inside greenhouse air, the soil moisture and outside air temperature collection extremely by temperature sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component heat-preserving equipment, air regenerating device carry out action to be affected temperature indoor environment, temperature sensor continue temperature room air, the soil moisture and outside air temperature collection and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient temperature needed for plant growing；(
3
) and transmitted inside greenhouse air, soil moisture collection extremely by humidity sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component liquid manure device, humidification apparatus and ventilation installation carry out action to be affected temperature indoor environment, temperature sensor continue temperature room air, soil moisture collection and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient humidity needed for plant growing；(
4
) and transmitted carbon dioxide data collection in greenhouse extremely by carbon dioxide biography concentration sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component carbon-dioxide generator, ventilation installation carry out action to be affected temperature indoor environment, gas concentration lwevel sensor continue carbon dioxide data collection in greenhouse and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient carbon dioxide concentration needed for plant growing；(
5
) and transmitted temperature indoor illumination intensity data acquisition extremely by illuminance sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component light filling equipment, sun-shading equipment carry out action to be affected temperature indoor environment, illuminance sensor continue temperature indoor illumination intensity data acquisition and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component are carried out order, until inside greenhouse fast and stable reaches environment illumination intensity needed for plant growing；(
6
) by soil
PH
Value sensor is by soil in greenhouse
PH
Value Data gather and transmit to
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component liquid manure device carries out action to be affected temperature indoor environment, illuminance sensor continue soil in greenhouse
PH
Value Data gather and transmit to
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient soil needed for plant growing
PH
Value；(2) MANUAL CONTROL mode: by data acquisition and transmitted extremely by data collecting system
PLC
, pass through
PLC
Calculation process is shown to user after sending data to control device man machine interface and storing, user operate control device man machine interface either manually or by keyboard, and user is issued an order transmission extremely by control device man machine interface
PLC
By
PLC
Executive component is controlled.
Beneficial effects of the present invention:
1.
The control device of the present invention, based on automatic technology and technology of Internet of things, it is acquired by the sensor needed for growing environment, in real time to the condition information in the parameters such as the on-the-spot temperature of agricultural production, humidity, illumination and plant growth, effectively controls and manage.
The control device of the present invention, after parameter collection gone out and information are converted into digital signal, it is transferred to the network platform by network transmission means carry out data and show, Web Publishing is utilized to arrive agricultural experts' intelligence system, agricultural experts are timed by data analysis, quantitatively, location Calculation processes, the most accurately remote control specifies agricultural equipment to automatically turn on or close (as remotely controlled energy-conservation oxygen supplement, water saving irrigating, roller shutter switch etc.), it is achieved automatization, intelligentized agricultural production process.
The control device of the present invention, with
PLC
For control centre, by temperature sensor, optical sensor, gas concentration lwevel sensor acquisition greenhouse envirment factor have related parameter, through pick-up be converted to standard current signal (
4
~
20mA
After), via
PLC
Analog input mModule
EM235
Send into
PLC
Controller,
PLC
Pass through again
PID
The parameter of collection and the value set are analyzed processing by control algolithm, and actuator is controlled by output switch amount；In such a system can also by the form of serial ports with
PC
Machine is connected, thus realizes management and the storage of real time data.
The control device of the present invention, with
PLC
For control centre, use sensor that the environmental factorss such as greenhouse temperature, illumination, gas concentration lwevel are measured, and result is delivered to
PLC
In；By
PLC
Result is processed, then regulates and controls each equipment and envirment factor is compensated.
The control device of the present invention, it is contemplated that the safety and reliability in actual production life, apparatus system is provided with two kinds of mode of operations manual, automatic, and automated manner refers to periodically carry out
PLC
The mode controlled；Manual mode then refers to when there are some accidents such as case of emergency, is manually operated the work controlling performer.
The control device of the present invention, user can by device window interface to the start and stop of equipment, switch, regulate and be controlled, showing different execution animations according to different operational motions, such user can directly understand the duty of equipment, reaches the effect of control equipment.
The control device of the present invention, user window is the subwindow selected under the main window page after user's entrance system, user can see in user window that complete booth page animation shows, can show according to the needs of oneself and operate field apparatus, it is also possible in current page, enter other subpage frames.
The control device of the present invention, its real-time data base is primarily directed to analog quantity and shows, as aerial temperature and humidity, soil temperature and humidity,
CO2
Concentration, illuminance etc..User is it is clear that the parameter that controlled, and when parameter is higher than alarming value, the page has warning function.
The control device of the present invention, described various kinds of sensors all uses: transmission current signal
4-20ma
, support
RS485
Communication mode and communication
,
Support
Modbus
The control sensor of communications protocol.
Accompanying drawing illustrates:
Accompanying drawing
1
It it is the structural representation of the present invention.
Accompanying drawing
2
It is the present invention
PLC
Schematic circuit schematic diagram.
Accompanying drawing
3
It is the present invention
485
Schematic circuit schematic diagram.
Accompanying drawing
4
It it is the signal filter circuit schematic diagram of the present invention.
Accompanying drawing
5
It it is the data acquisition circuit schematic diagram of the present invention.
In figure:
1
Sun-shading equipment；
2
Humidification apparatus；
3
Air regenerating device；
4
Communication interface；
5
Heat-preserving equipment；
6
Mobile device；
7
—
CO2
Generating means；
8
Perform control equipment；
9
Keyboard；
10
Light filling equipment；
11
Display；
12
Control device；
13
—
ZigBee
Wireless terminal；
14
Mobile phone；
15
Master control
PLC
；
16
Data acquisition transmission equipment；
17
Housing；
18
Sun-shading equipment；
19
Sun-shading equipment；
20
Sun-shading equipment；
21
Sun-shading equipment；
22
Sun-shading equipment；
23
Sun-shading equipment；
24
Sun-shading equipment；
25
Sun-shading equipment；
Detailed description of the invention:
Embodiment
1
:
A kind of based on
PLC
The intelligent greenhouse of controller controls device, and its composition includes: housing
17
, in described housing, control device is installed
12
, described control device connects the keyboard being arranged on housing respectively
9
And display
11
, described control device connects master control
PLC15
, described control device be also connected with based on
internet
The communicating terminal of mobile device
6
, described master control
PLC
On respectively connected
ZigBee
Wireless terminal
13
, perform control EM equipment module circuit
8
With data acquisition transmission equipment modular circuit
16
, described
ZigBee
Wireless terminal wireless connections are in mobile phone
14
。
Embodiment
2
:
According to embodiment
1
Described
PLC
The intelligent greenhouse of controller controls device, and described execution controls EM equipment module circuit and controls sun-shading equipment respectively
1
, humidification apparatus
2
, air regenerating device
3
, heat-preserving equipment
5
、
CO2
Generating means
7
, light filling equipment
10
With liquid manure equipment
25
；Described data acquisition transmission equipment modular circuit is connected to
PH
Value sensor
18
, soil humidity sensor
19
, soil temperature sensor
20
, air humidity sensor
21
, air temperature sensor
22
、
CO2
Concentration sensor
23
And illuminance sensor
24
。
Embodiment
3
:
According to embodiment
2
Described
PLC
The intelligent greenhouse of controller controls device, described based on
internet
The communicating terminal of mobile device and the communication interface being arranged on apparatus surface
4
Connect, described
PLC
Controller is Siemens's series
PLC
Or Schneider series
PLC
Or Mitsubishi Electric's series
PLC
Or Panasonic's series
PLC
Or
ABB
Series
PLC
Or the grandest series
PLC
Or Delta series
PLC
Or Hollysys's series
PLC
, described
PH
Value sensor is polytetrafluoro electric pole type
PH
Value sensor, described soil humidity sensor and air humidity sensor are electrolyte humidity sensors or semiconductive ceramic humidity sensor or organic high molecular polymer humidity sensor, described soil temperature sensor and air temperature sensor are the temperature sensor researched and developed based on day resistance or thermocouple or integrated form temperature sensor or digital temperature sensor, described
CO2
Concentration sensor is semiconductor-type gas concentration lwevel sensor or catalyst-type gas concentration lwevel sensor or thermal conductance pool gas concentration lwevel sensor or infrared-type gas concentration lwevel sensor or electric chemical formula gas concentration lwevel sensor, and described illuminance sensor is light-sensitive element formula illuminance sensor.
Embodiment
4
:
According to embodiment
2
Described
PLC
The intelligent greenhouse of controller controls device, it is water-fertilizer integral spray, atomising device that described sun-shading equipment includes shutter, shade net, described humidification apparatus and liquid manure equipment, and described air regenerating device is ventilation fan, described heat-preserving equipment includes underground heat pipeline and cotton-wadded quilt, described
CO2
Generating means is
CO2
Generator, described light filling equipment is light compensating lamp.
Embodiment
5
:
One utilizes embodiment
1
Extremely
4
Described
PLC
The intelligent greenhouse of controller controls the control method of device, and described system is made up of following two parts: automatic control mode, MANUAL CONTROL mode, and described control method is: (one) automatic control mode: (
1
) and transmitted data acquisition extremely by data collecting system
PLC
, pass through
PLC
Calculation process verification model carries out order to executive component, and executive component carries out action to be affected temperature indoor environment；(
2
) and transmitted inside greenhouse air, the soil moisture and outside air temperature collection extremely by temperature sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component heat-preserving equipment, air regenerating device carry out action to be affected temperature indoor environment, temperature sensor continue temperature room air, the soil moisture and outside air temperature collection and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient temperature needed for plant growing；(
3
) and transmitted inside greenhouse air, soil moisture collection extremely by humidity sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component liquid manure device, humidification apparatus and ventilation installation carry out action to be affected temperature indoor environment, temperature sensor continue temperature room air, soil moisture collection and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient humidity needed for plant growing；(
4
) and transmitted carbon dioxide data collection in greenhouse extremely by carbon dioxide biography concentration sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component carbon-dioxide generator, ventilation installation carry out action to be affected temperature indoor environment, gas concentration lwevel sensor continue carbon dioxide data collection in greenhouse and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient carbon dioxide concentration needed for plant growing；(
5
) and transmitted temperature indoor illumination intensity data acquisition extremely by illuminance sensor
PLC,
Warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component light filling equipment, sun-shading equipment carry out action to be affected temperature indoor environment, illuminance sensor continue temperature indoor illumination intensity data acquisition and transmit extremely
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component are carried out order, until inside greenhouse fast and stable reaches environment illumination intensity needed for plant growing；(
6
) by soil
PH
Value sensor is by soil in greenhouse
PH
Value Data gather and transmit to
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, executive component is carried out order, executive component liquid manure device carries out action to be affected temperature indoor environment, illuminance sensor continue soil in greenhouse
PH
Value Data gather and transmit to
PLC
, warp
PLC
Data are carried out digital modeling by calculation process and given expert's simulated environment carries out analogy optimization and draws the optimum control scheme to part, and executive component is carried out order.Until inside greenhouse fast and stable reaches ambient soil needed for plant growing
PH
Value；(2) MANUAL CONTROL mode: by data acquisition and transmitted extremely by data collecting system
PLC
, pass through
PLC
Calculation process is shown to user after sending data to control device man machine interface and storing, user operate control device man machine interface either manually or by keyboard, and user is issued an order transmission extremely by control device man machine interface
PLC
By
PLC
Executive component is controlled.
Claims (5)
1. an intelligent greenhouse based on PLC controls device, its composition includes: housing, it is characterized in that: in described housing, control device is installed, described control device connects the keyboard and display being arranged on housing respectively, described control device connects main control PLC, described control device is also connected with the communicating terminal of mobile device based on internet, ZigBee wireless terminal is respectively connected in described main control PLC, perform to control EM equipment module circuit and data acquisition transmission equipment modular circuit, described ZigBee wireless terminal wireless connections are in mobile phone.
The intelligent greenhouse of PLC the most according to claim 1 controls device, it is characterized in that: described execution controls EM equipment module circuit and controls sun-shading equipment, humidification apparatus, air regenerating device, heat-preserving equipment, CO respectively2Generating means, light filling equipment and liquid manure equipment；Described data acquisition transmission equipment modular circuit is connected to pH value sensor, soil humidity sensor, soil temperature sensor, air humidity sensor, air temperature sensor, CO2Concentration sensor and illuminance sensor.
nullThe intelligent greenhouse of PLC the most according to claim 2 controls device，It is characterized in that: described ZigBee wireless terminal is connected with the communication interface being arranged on apparatus surface，Described PLC is Siemens's series of PLC or Schneider series of PLC or Mitsubishi Electric's series of PLC or Panasonic's series of PLC or ABB series of PLC or the grandest series of PLC or Delta series of PLC or Hollysys's series of PLC，Described pH value sensor is polytetrafluoro electric pole type pH value sensor，Described soil humidity sensor and air humidity sensor are electrolyte humidity sensors or semiconductive ceramic humidity sensor or organic high molecular polymer humidity sensor，Described soil temperature sensor and air temperature sensor are the temperature sensor researched and developed based on day resistance or thermocouple or integrated form temperature sensor or digital temperature sensor，Described CO2Concentration sensor is semiconductor-type gas concentration lwevel sensor or catalyst-type gas concentration lwevel sensor or thermal conductance pool gas concentration lwevel sensor or infrared-type gas concentration lwevel sensor or electric chemical formula gas concentration lwevel sensor, and described illuminance sensor is light-sensitive element formula illuminance sensor.
The intelligent greenhouse of PLC the most according to claim 2 controls device, it is characterized in that: described sun-shading equipment includes shutter, shade net, described humidification apparatus and liquid manure equipment are water-fertilizer integral spray, atomising device, described air regenerating device is ventilation fan, described heat-preserving equipment includes underground heat pipeline and cotton-wadded quilt, described CO2Generating means is CO2Generator, described light filling equipment is light compensating lamp.
5. the intelligent greenhouse of the PLC utilized described in claim 1 to 4 controls the control method of device, it is characterized in that: described system is made up of following two parts: automatic control mode, MANUAL CONTROL mode, described control method is: (one) automatic control mode: (1) and is transmitted data acquisition to PLC by data collecting system, through PLC calculation process verification model, executive component being carried out order, executive component carries out action to be affected temperature indoor environment；(2) by temperature sensor by inside greenhouse air, the soil moisture and outside air temperature collection are also transmitted to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order, executive component heat-preserving equipment, air regenerating device carries out action to be affected temperature indoor environment, continued temperature room air by temperature sensor, the soil moisture and outside air temperature collection are also transmitted to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order;Until inside greenhouse fast and stable reaches ambient temperature needed for plant growing；(3) by humidity sensor by inside greenhouse air, soil moisture collection is also transmitted to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order, executive component liquid manure device, humidification apparatus, and ventilation installation carries out action and affects temperature indoor environment, continued temperature room air by temperature sensor, soil moisture collection is also transmitted to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order;Until inside greenhouse fast and stable reaches ambient humidity needed for plant growing；(4) passed concentration sensor by carbon dioxide by carbon dioxide data collection in greenhouse and to transmit to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order, executive component carbon-dioxide generator, ventilation installation carries out action to be affected temperature indoor environment, continued carbon dioxide data collection in greenhouse by gas concentration lwevel sensor and transmit to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order;Until inside greenhouse fast and stable reaches ambient carbon dioxide concentration needed for plant growing；(5) and transmitted temperature indoor illumination intensity data acquisition to PLC by illuminance sensor, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order, executive component light filling equipment, sun-shading equipment carries out action to be affected temperature indoor environment, continued temperature indoor illumination intensity data acquisition by illuminance sensor and transmit to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order, until inside greenhouse fast and stable reaches environment illumination intensity needed for plant growing；(6) and transmitted P in soil H-number data acquisition in greenhouse to PLC by P in soil H-number sensor, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order, executive component liquid manure device carries out action to be affected temperature indoor environment, continued P in soil H-number data acquisition in greenhouse by illuminance sensor and transmit to PLC, through PLC calculation process, data carry out digital modeling to carry out analogy optimization with given expert's simulated environment and draw the optimum control scheme to part, executive component is carried out order;Until inside greenhouse fast and stable reaches ambient soil pH value needed for plant growing；(2) MANUAL CONTROL mode: by data acquisition and transmitted to PLC by data collecting system, it is shown to user after PLC calculation process sends data to control device man machine interface and stores, being operated control device man machine interface either manually or by keyboard by user, executive component is controlled to PLC by control device man machine interface transmission of user being issued an order by PLC.
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