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The Design of Smart Wireless Carbon Dioxide Measuring Instrument Used in Greenhouse

文献类型： 会议论文

第一作者： Wengang Zheng

作者： Wengang Zheng 1 ; Xin Zhang 2 ; Xiaojun Qiao 1 ; Hua Yan 3 ; Wenbiao Wu 3 ;

作者机构： 1.National Engineering Research Center for Information Technology in Agriculture, 100097, Beijing, China

2.National Engineering Research Center for Information Technology in Agriculture, 100097, Beijing, China Beijing Research Center for Intelligent Agricultural Equipment, 100097, Beijing, China

3.Beijing Research Center for Intelligent Agricultural Equipment, 100097, Beijing, China

关键词： greenhouse;carbon dioxide sensor;measuring instruction;Zigbee;low power consumption

会议名称： IFIP TC 12 conference on computer and computing technologies in agriculture

主办单位：

页码： 75-83

摘要： Different crops, seasons, greenhouse's structures and planting area need different concentration of carbon dioxide which fertilized in greenhouse. Measuring the concentration of carbon dioxide accurately in greenhouse is very important to fertilize carbon economically and reasonably Concentration of carbon dioxide measuring equipments were often used in chemical industry and environment fields, these equipments are not suitable for greenhouse's environment and had many disadvantages such as high price, high power consumption and low anti-interference ability. Based on the research of carbon dioxide measuring equipment, this design took part of Non Dispersive Infrared (NDIR) carbon dioxide sensor produced by GSS, embedded Zigbee module provided by Jennic, smart calibration program and solar panel charge system. The results showed that the accuracy was±30ppm, average power consumption was 2mW, high consistency, response fast. This design can change the present of carbon dioxide measuring instrument hard to popularize, and make carbon dioxide fertilization accurately.

分类号： S126

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