Environmental Intelligent Monitoring System Solution for Facility Agriculture (Greenhouse)
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1. Introduction to the system
The system uses the Internet of Things technology to remotely obtain the air temperature and humidity, soil moisture temperature, carbon dioxide concentration, light intensity and video images inside the greenhouse in real time. Through model analysis, remote or automatic control of wet curtain fans, spray drip irrigation, internal and external shading , Top windows, side windows, heating and supplementary lighting, etc., to ensure that the environment in the greenhouse is the most suitable for crop growth, creating conditions for high yield, high quality, high efficiency, ecology and safety of crops. At the same time, the system can also push real-time monitoring information, early warning information, agricultural technology knowledge, etc. to farmers through information terminals such as mobile phones, PDAs, computers, etc., to achieve intensive and networked remote management of greenhouses, and make full use of the Internet of Things technology in facility agricultural production. In the role. This system is suitable for various types of solar greenhouses, multi-span greenhouses, and smart greenhouses.
2. System composition
The system includes: sensor terminal, communication terminal, wireless sensor network, control terminal, monitoring center and application software platform.
(1) Sensing terminal
The environmental information perception unit of the greenhouse is composed of a wireless collection terminal and various environmental information sensors. The environmental information sensor monitors multiple environmental parameters such as air temperature and humidity, soil moisture temperature, light intensity, carbon dioxide concentration, etc., and transmits the collected data to the monitoring center through the wireless collection terminal in GPRS mode to guide production.
(2) Construction of communication terminals and sensor networks
The greenhouse wireless sensor communication network is mainly composed of the following two parts: the self-organizing network construction between the sensing nodes in the greenhouse; the communication network construction between the greenhouse and the greenhouse and the farm monitoring center. The former mainly realizes the collection of sensor data and the data interaction between the sensor and the execution controller. After the greenhouse environmental information is gathered at the relay node through the internal self-organizing network, the monitoring center will monitor the environmental information of each greenhouse through the communication network between the greenhouse and the greenhouse and the farm monitoring center.
(3) Control terminal
The intelligent control unit of the greenhouse environment is composed of the measurement and control module, solenoid valve, power distribution control cabinet and installation accessories, and is connected to the management and monitoring center through the GPRS module. According to the parameters such as air temperature and humidity in the greenhouse, soil temperature and moisture, light intensity and carbon dioxide concentration, the environmental regulation equipment is controlled, including internal shading, external shading, fans, wet curtain water pumps, top ventilation, solenoid valves and other equipment.
(4) Video surveillance system
As an effective supplement to data information, based on network technology and video signal transmission technology, all-weather video monitoring of the growth of crops in the greenhouse is carried out. The system is composed of a network-type video server and a high-resolution camera. The network-type video server is mainly used to provide conversion and transmission of video signals and realize remote network video services. On the existing Internet, as long as you can access the Internet, you can perform remote image access according to the user’s authority, and realize a multi-point, online, and convenient monitoring method.
(5) Monitoring Center
The monitoring center is composed of servers, multi-service integrated optical transceivers, large-screen display systems, UPS and supporting network equipment, and is the core of the entire system. The purpose of constructing the management monitoring center is to carry out information management and display the results of the entire demonstration park.
(6) Application software platform
Through the application software platform, the basic data of various sensing devices such as soil information sensing equipment, air environment monitoring and sensing equipment, external weather sensing equipment, and video information sensing equipment can be uniformly stored, processed and mined. Through the intelligent decision-making of the central control software, Form effective instructions, and adjust the microclimate environment in the facility by means of sound and light alarms to guide managers or directly control the actuators to provide an excellent growth environment for crop growth.
3. Features and innovation
Advancement: The sensors, communication technology and software platform used are all at the leading level in China.
Reliability: The software and hardware of the system have undergone a large number of practical applications and rigorous tests, and have good reliability.
Ease of use: The hardware equipment is easy to install and maintain, the software platform has a friendly interface, is easy to operate, and is easy to learn and use.
Scalability: The software and hardware adopt modular design, expandable structure and standardized modular structure, which is convenient for the system to adapt to the monitoring system of different specifications and functional requirements.
4. Typical case
Shouguang Smart Greenhouse Demonstration Project
Smart Greenhouse Project in Dongying High-efficiency Agriculture Demonstration Zone
Remote Monitoring System for Vegetable Greenhouse in Yantai
Yixing Flower Gardening Smart Greenhouse Demonstration Project
Yunnan Jinyuan Flower Greenhouse Internet of Things Project
5. Introduction to the Center
The China-Europe Agricultural Information Technology Research Center of China Agricultural University and the Beijing Engineering Research Center of Advanced Agricultural Sensing Technology is an international scientific and technological cooperation base listed by the Ministry of Science and Technology. It is mainly dedicated to the research and development of agricultural Internet of Things technology and products, with a focus on advanced agriculture Sensing technology, wireless sensor network, communication technology, intelligent processing technology, agricultural system integration technology and Internet of Things-oriented information service technology, formulate agricultural Internet of Things standards, and develop agricultural Internet of Things products and platforms.
The research center has 2 professors, 22 associate professors, 15 doctoral students, 35 master students, and more than 40 product development and promotion personnel. They are engaged in intensive aquatic and livestock breeding, facility greenhouses, field planting, special breeding, There is a long-term research foundation in agricultural information technology application fields such as agricultural product storage, agricultural situation monitoring, agricultural pests and weed control, agricultural product quality and safety traceability, and rural informatization strategies.
Beijing Zhongnong Xinlian Technology Co., Ltd. is a school-owned high-tech enterprise incubated by China Agricultural University. It is a leading provider of agricultural Internet of Things system solutions in China. Relying on the talent team and scientific research results of the China-EU Agricultural Information Technology Research Center of China Agricultural University and the Beijing Engineering Research Center of Advanced Agricultural Sensing Technology, China Agricultural Credit Union focuses on the transformation of agricultural Internet of Things technology and product development. At present, China Agricultural Credit Union has established application demonstration bases for aquaculture, farmland irrigation, facility greenhouses, and soil moisture monitoring in Jiangsu, Shandong, Tianjin, Xinjiang, Hebei, Shanghai, Beijing, Hubei, Jiangxi, Zhejiang and other places.
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