Shanghai Aolin Greenhouse Monitoring and Intelligent Control Management System
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Overview
The greenhouse monitoring and intelligent control management solution developed by Shanghai Aolin Information Technology Co., Ltd. uses wireless sensors such as light, temperature, and humidity to monitor the temperature, humidity signals, light, soil temperature, soil moisture, and CO concentration in the crop greenhouse. Real-time collection of environmental parameters and automatic opening or closing of designated equipment (such as remote control of irrigation, opening and closing of roller shutters, etc.). At the same time, monitoring equipment such as cameras are arranged on the greenhouse site to collect video signals in real time. Through a computer or 3G mobile phone, users can observe on-site conditions, view data such as on-site temperature and humidity, and control intelligent adjustment of designated equipment anytime and anywhere.
System architecture design
1. Overall structure
The overall architecture of the system is divided into four parts: sensor information collection, video monitoring, intelligent analysis and remote control.
2. Technical architecture
3. System composition
◎Data acquisition system: Mainly responsible for the acquisition and control of the light, temperature, humidity, soil moisture content and video in the greenhouse. The upload of the data sensor adopts ZigBee mode. The ZigBee sending module transmits the value of the sensor to the ZigBee node, and then transmits it to the control center through the network. The wireless version has the advantages of flexible deployment and convenient expansion.
◎Video capture system: The system adopts high-precision network cameras, and the system’s definition and stability parameters are in line with relevant domestic standards.
◎Control system: This system is mainly composed of control equipment and corresponding relay control circuit. Through the relay, various agricultural production equipment can be controlled freely, including: spraying, drip irrigation and other sprinkler systems and roller blinds, fans and other air conditioning systems.
◎Data processing system: This system is responsible for storing and processing the collected data, providing users with analysis and decision-making basis. Users can make inquiries through computers and mobile phones anytime and anywhere.
4. Network topology
The system adopts multiple standards in terms of network. The long-distance communication adopts 3G and GPRS wireless networks, and the short-distance transmission adopts the ZigBee mode. ZigBee’s independent network technology ensures the good operation of the network system.
5. System function introduction
◎Data collection
The temperature, humidity, illuminance, soil moisture content and other data in the greenhouse are transmitted to the data processing system through the combination of zigbee and 3G and GPRS wireless networks. If the parameters reported by the sensor exceed the standard, the system will give an alarm and can automatically control the related equipment for intelligence adjust.
◎Data collection equipment list
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