WO2012003754A1 - Intelligent control system for micro vegetable producing system - Google Patents

Intelligent control system for micro vegetable producing system Download PDF

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Publication number
WO2012003754A1
WO2012003754A1 PCT/CN2011/075153 CN2011075153W WO2012003754A1 WO 2012003754 A1 WO2012003754 A1 WO 2012003754A1 CN 2011075153 W CN2011075153 W CN 2011075153W WO 2012003754 A1 WO2012003754 A1 WO 2012003754A1
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WO
WIPO (PCT)
Prior art keywords
control system
sensor
intelligent control
system
production system
Prior art date
Application number
PCT/CN2011/075153
Other languages
French (fr)
Chinese (zh)
Inventor
李群
葛一峰
段发民
王利斌
杨其长
魏灵玲
Original Assignee
北京中环易达设施园艺科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201020256839.9 priority Critical
Priority to CN2010202568399U priority patent/CN201765494U/en
Application filed by 北京中环易达设施园艺科技有限公司 filed Critical 北京中环易达设施园艺科技有限公司
Publication of WO2012003754A1 publication Critical patent/WO2012003754A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00Soilless cultivation, e.g. hydroponics
    • A01G31/02Special apparatus therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture
    • Y02P60/21N2O
    • Y02P60/212Reducing the use of fertilizers
    • Y02P60/216Aquaponics or hydroponics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy
    • Y02P80/11Efficient use of energy of electric energy

Abstract

An intelligent control system for a micro vegetable producing system includes sensors (3-9), a PLC (Programmable Logic Controller) (11), a human-computer interaction interface (2) and an executing mechanism (12-14). The sensors (3-9), the human-computer interaction interface (2) and the executing mechanism (12-14) are connected with said PLC (11) respectively. Said intelligent control system can regulate and control a light supplement device (12), a liquid supply-reclaim and water supply-drain device (13) and an environment control device (14), so as to make each environmental parameter satisfy the plant growth and development demand. Said intelligent control system adopts a LED light source control system and controls the vegetable photosynthesis by controlling the opening time of said LED light source control system.

Description

 Intelligent control system for micro vegetable production system The present application claims priority to Chinese patent application filed on July 5, 2010, Chinese Patent Office, application number 201020256839.9, and the invention titled "Intelligent Control System for a Micro Vegetable Factory" The entire contents of which are incorporated herein by reference. Technical field

 The utility model relates to an intelligent control system of a micro vegetable production system, in particular to an intelligent environment control system device of a micro vegetable production system, belonging to the field of agricultural intelligent control technology.

Background technique

 China's facility agriculture has developed rapidly. The facility cultivation area has grown from 108,000 mu in 1981 to more than 50 million mu. The facility cultivation area in China has reached more than 80% of the world's total facilities, ranking first in the world. However, China's facility agriculture structure is simple, plastic arch sheds account for 66%, solar greenhouses account for 33.9%, large-scale multi-span greenhouses only account for 0.1%, automation and intelligent control are low, and it is urgent to improve the level of intelligent control technology for facility cultivation and promote modernity. Rapid development of agriculture.

 Micro vegetable production systems are a typical type of plant production system. The plant production system is an efficient agricultural system that realizes the continuous production of crops through high-precision environmental control in the facility. It is automatically controlled by computer to the environmental conditions such as temperature, humidity, illumination, C02 concentration and nutrient solution. A new production method that is not or rarely restricted by natural conditions is the highest stage of facility cultivation. Currently, plant production system technology has been applied in agricultural parks in Europe, America, Japan and China. The intelligent control system is the core technology part of the micro vegetable production system. Summary of the invention

 The purpose of the utility model is to provide an intelligent control system for a miniature vegetable production system. The intelligent control system can meet the production performance requirements of the micro vegetable production system, ensure the smooth realization of the functions of the micro vegetable production system, and is beneficial to the rapid development and large-scale promotion of the family vegetable production system.

The purpose of the utility model is achieved by the following technical solutions: An intelligent control system for a miniature vegetable production system, comprising: a sensor, a PLC (programmable logic controller), an actuator, and a human-computer interaction interface; the sensor, the actuator, and the human-computer interaction interface are respectively connected to the PLC.

 A preferred technical solution is characterized in that: the sensor comprises a pH sensor, an EC (conductivity) sensor, a liquid level sensor, a humidity sensor, a temperature sensor, a carbon dioxide sensor, an illumination sensor, and the like.

 A preferred technical solution is characterized in that: the human-computer interaction interface is an HMI (Human Machine Interface) display.

 A preferred technical solution is characterized in that: the actuator comprises a light filling device, a liquid supply and drainage device, an environmental control device, and the like.

 A preferred technical solution is characterized in that: a camera and a monitor are further included, and the camera is connected to the monitor through a network. The camera is installed in the cultivation room of the micro vegetable production system and remotely monitored by a monitor.

 The intelligent control system intelligently controls various environmental factors in the micro vegetable production system. The sensors of various environmental factors can monitor the pH, EC, liquid level, humidity, temperature, carbon dioxide, illumination, etc. in the micro vegetable production system in real time, and the collected data is converted into analog signals read by PLC, and then displayed in real time. Go to the human-computer interface. The HMI display is a touch screen that displays real-time data and historical data on the touch screen. The system parameters suitable for plant growth and development can be set on the touch screen; the PLC can reasonably process the collected data according to the set system parameters, and adjust the light filling device, the supply and return liquid, the water supply and drainage device and the environmental control device, etc. Control, so that various environmental parameters meet the requirements of plant growth and development, to achieve the flexibility and adjustability of the system.

 In addition, the 360-degree camera probe is installed in the top corner of the plant cultivation room to monitor plant growth and remotely monitor plant growth through network transmission; this allows real-time monitoring of plant growth.

 The system uses LED light source control system, and the power saving effect is obvious. Through the control of the light-on time of the light source system, the control of plant photosynthesis can be realized. Combined with the system's air circulation system, the micro-vegetable production system can form an artificial oxygen bar suitable for the home environment, which plays a role in oxygen supply for human life.

The present invention is further described with reference to the accompanying drawings and specific embodiments, but is not intended to limit the scope of the invention. DRAWINGS

 Figure 1 is a schematic diagram of the principle of the intelligent control system for the micro vegetable production system. detailed description

 As shown in Figure 1, it is a schematic diagram of the intelligent control system of the micro vegetable production system, where 1 is the camera. The intelligent control system of the micro vegetable production system includes a sensor, a PLC (programmable logic controller), a human-machine interface and an actuator; the sensor, the human-machine interface and the actuator are respectively connected to the PLC. The sensor includes a pH sensor, an EC (conductivity) sensor, a level sensor, a humidity sensor, a temperature sensor, a carbon dioxide sensor, a light sensor, and the like. Actuators include light-filling devices, supply and return water and water supply and drainage devices, and environmental control devices.

 The top of the micro-vegetable production system is equipped with PLC. According to the suitable growth and development parameters of the plant, the data of the collection will be treated reasonably, so that the environmental parameters meet the requirements of plant growth and development, and the flexibility and adjustability of the system can be realized. Man-machine interface - HMIL display, which can control the internal parameters of the micro-vegetable production system through the touch screen, remote monitoring and remote data collection and manipulation through Ethernet.

 Data collection

The system collects data of various environmental factors in the micro-vegetable production system through various high-precision sensors, including temperature, humidity, C0 2 , illumination, EC, pH, liquid level and other parameter values. The sensor converts the actual measured parameter into an analog signal of 4-20 mA, and then transmits it to the analog set module of the PLC through the twisted pair shielded cable; then converts the analog quantity into a digital quantity through analog-to-digital conversion for processing; Adjust the data cycle and average processing of the dataset; display it to the human-computer interaction interface in real time to realize real-time monitoring.

 System control

 The intelligent control system intelligently controls various environmental factors in the micro-vegetable production system, including: pH, EC, liquid level, humidity, temperature, carbon dioxide, and light environmental factors in the vegetable production system, which can Detection and control of environmental parameters.

The human-computer interaction interface is an HMI (Human Machine Interface) display, which is a touch screen; displays real-time data and historical data on the touch screen. The staff sets the system parameters suitable for plant growth and development on the touch screen, and the PLC processes the collected data according to the set system parameters, and the light filling device, the supply and return liquid and the water supply and drainage device and the environmental control device (including temperature) , humidity and carbon dioxide control The system is adjusted and controlled to achieve various plant environmental development requirements and to achieve flexible and adjustable system.

In the temperature control aspect of the system, the combination of the compressor, the heater and the air duct satisfies the temperature for controlling the growth environment of the plant, and reaches the temperature set by the user through the touch screen; when the temperature is lower than a certain temperature, the system starts to heat up. When heated to -0.5 °C lower than the temperature to be set, the heater stops working. Then, according to the principle of inertia, the ambient temperature reaches the desired value. When the temperature reaches the desired value, the cooling function is turned on, and the cooling is continued until the temperature is higher than the desired temperature +0.5 °C. The effect of the ambient temperature to be set is also achieved according to the principle of inertia. At the same time, according to the C0 2 concentration, light and humidity sensors, the C0 2 concentration, illumination and humidity indicators are collected, and the parameters in the environment are displayed in real time through the screen. The system setting of the light-on time from 0: 0-24: 0 is arbitrarily set to meet the artificially regulated plant light and action time. Monitor the conductivity, pH value and liquid level value of plant nutrient solution, which makes the user more convenient to operate, adjust the cultivation of nutrient solution according to the index parameters at any time, and maximize the satisfaction of plant growth.

 System control specifically includes the following:

 1. Temperature control system, through data collection and touch screen monitoring, the temperature is automatically adjusted by the air conditioning system to meet the requirements of the plant for temperature environment control.

 2. Humidity control system, through data collection, according to the parameters of the appropriate parameters, automatically adjust the wind speed of the fan to achieve the dehumidification or humidification control to meet the plant's requirements for humidity.

3, C0 2 control system, through the data collection, when the concentration of C0 2 is lower than a certain amount, through the air circulation, the automatic compensation of C0 2 concentration.

 4. Nutrient solution control system, set the liquid supply time and liquid stop time of the liquid return and water supply and drainage device, realize the periodic automatic liquid supply in 24 hours, and realize the culture liquid through the control of 2 solenoid valves. The operation of the new fluid and the old liquid.

 5. The light control system sets the light source on and off time for the fill light device to realize the automatic control of the plant's photoperiod; and adjusts the plant light intensity by adjusting the duty ratio of the LED plant growth light source.

 6. Nutrient solution The regulation of EC and pH value, through the data collection, real-time monitoring of nutrient solution parameters, through the supply of nutrient solution metering pump to achieve the regulation of nutrient solution parameters.

7. Controlling the liquid level of the nutrient solution, setting the highest and lowest liquid level of the nutrient solution. When the liquid level is higher than the highest liquid level or lower than the lowest liquid level, the system automatically stops the supply of nutrient solution or automatically supplies the nutrient solution. Remote monitoring

 The intelligent control system also includes a camera and a monitor. The monitor can also be a PC, enabling remote PC monitoring and changing control parameters. A 360-degree camera probe is installed at the top corner of each layer of the mini vegetable production system. The captured images are transmitted to the PC via the network, enabling remote image transmission. Real-time monitoring of vegetables in the micro vegetable production system through a remote PC. Growth situation, grasp the growth progress of plants in real time.

Claims

Rights request
 1. An intelligent control system for a miniature vegetable production system, comprising: a sensor, a PLC, a human-computer interaction interface and an actuator; the sensor, the human-machine interaction interface and the actuator are respectively connected to the PLC.
 2. The intelligent control system for a miniature vegetable production system according to claim 1, wherein: said sensor comprises a pH sensor, an EC (conductivity) sensor, a liquid level sensor, a humidity sensor, a temperature sensor, a carbon dioxide sensor, Light sensor.
 3. The intelligent control system of the micro vegetable production system according to claim 1, wherein: the human-machine interaction interface is an HMI display screen.
 4. The intelligent control system for a miniature vegetable production system according to claim 1, wherein: said actuator comprises a fill light device, a liquid supply and discharge device, and an environmental control device.
 5. The intelligent control system for a miniature vegetable production system according to claim 1, further comprising: a camera and a monitor, wherein the camera is connected to the monitor via a network.
PCT/CN2011/075153 2010-07-05 2011-06-02 Intelligent control system for micro vegetable producing system WO2012003754A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201020256839.9 2010-07-05
CN2010202568399U CN201765494U (en) 2010-07-05 2010-07-05 Intelligent control system of mini vegetable plant

Publications (1)

Publication Number Publication Date
WO2012003754A1 true WO2012003754A1 (en) 2012-01-12

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WO (1) WO2012003754A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102640695A (en) * 2012-04-28 2012-08-22 常熟小农人农业科技发展有限公司 Distributed plant cultivation system and plant cultivation method utilizing same
CN104067924A (en) * 2014-06-16 2014-10-01 兰伟 Intelligent and artificial regulation hardening device
CN104472335A (en) * 2014-11-25 2015-04-01 弥勒品元园艺有限公司 Greenhouse type plant factory system for flower production
CN104996018A (en) * 2015-07-29 2015-10-28 王驰 Multi-purpose unmanned agricultural operation robot platform

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CN201765494U (en) * 2010-07-05 2011-03-16 北京中环易达设施园艺科技有限公司 Intelligent control system of mini vegetable plant
CN102283052B (en) * 2011-06-16 2013-09-04 成都诚欣特自动化系统有限公司 Intelligent plant cultivation supplementary lighting method and system
CN102487797A (en) * 2011-12-15 2012-06-13 徐毓艺 Pumpkin tender bud seedling of nutrient vegetables
CN102669579A (en) * 2012-05-14 2012-09-19 南京珵儒机械科技有限公司 Device based on biological germination process technology and electrical control system
CN103039237A (en) * 2012-12-26 2013-04-17 欧燕 Vanilla sprout vegetable cultivation method
CN103299845A (en) * 2013-05-17 2013-09-18 济南安信农业科技有限公司 Intelligent seedling raising system
CN103262766A (en) * 2013-05-23 2013-08-28 无锡市崇安区科技创业服务中心 Vegetable cultivating machine
CN103918540B (en) * 2014-04-01 2015-12-02 黑龙江省爱普照明电器有限公司 Domestic intelligent plant growing box
CN105259958B (en) * 2015-10-28 2017-10-10 盐城工学院 Warmhouse booth envirment factor intelligent monitor system
CN108782219A (en) * 2018-07-06 2018-11-13 苏州千层茧农业科技有限公司 A kind of space type soilless planting set

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GB2424353A (en) * 2005-03-21 2006-09-27 Adam John Clarke Hydroponic system
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Publication number Priority date Publication date Assignee Title
CN102640695A (en) * 2012-04-28 2012-08-22 常熟小农人农业科技发展有限公司 Distributed plant cultivation system and plant cultivation method utilizing same
CN104067924A (en) * 2014-06-16 2014-10-01 兰伟 Intelligent and artificial regulation hardening device
CN104472335A (en) * 2014-11-25 2015-04-01 弥勒品元园艺有限公司 Greenhouse type plant factory system for flower production
CN104996018A (en) * 2015-07-29 2015-10-28 王驰 Multi-purpose unmanned agricultural operation robot platform

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