Yang W.,Beijing Kingpeng International Hi Technology Corporation |
Lv K.,Beijing Kingpeng International Hi Technology Corporation |
Li M.,China Agricultural University |
Zhang D.,Beijing Kingpeng International Hi Technology Corporation
Sensor Letters | Year: 2013
In order to achieve the informatization and automatic control need of Greenhouse, an intelligent wireless controller was developed based on ZigBee. The hardware and software of network were introduced. JN5139 modules produced by Jennic Company were used as microcontroller. The system is in star topology with one coordinator and several End Devices. End Devices are responsible for data collecting, preprocessing and wireless transmission. Wireless intelligent controller's function is collecting, processing and managing environmental factors and Eco-physiological characteristic values of plant in Greenhouse (soil temperature, leave temperature, light content, growth speed of plant, and water content of soil). Intelligence voice module provides real-time production advice according to data collected from all wireless nodes. The test results show that the coordinator received all 60 groups of data of each sensor in one hour test, and all data are quite correct without lost, so it proves that both software and hardware of the system can work stable and reliable. The system can fulfill the need for monitoring and controlling of environmental factors and Eco-physiological characteristic values of plant of Greenhouse.© 2013 American Scientific Publishers. Copyright © 2013 American Scientific Publishers.
Dong W.,Beijing Kingpeng International Hi Technology Corporation |
Zhou Z.C.,Beijing Kingpeng International Hi Technology Corporation |
Bu Y.L.,Beijing Kingpeng International Hi Technology Corporation |
Zhuo J.Q.,Beijing Kingpeng International Hi Technology Corporation |
And 2 more authors.
Acta Horticulturae | Year: 2015
The healing of grafted seedlings is to complete the process of callus induction, differentiation and union of stock and scion. This stage is important to ensure the survival of grafted seedlings, especially for scion since the roots of scion will be removed in the vast majority grafting. The scion does not form the same type of organization with the rootstock. The two conducting tissues are not uniformly connected; thus, the scion and rootstock do not transport water and nutrients through the roots. To prevent this problem, suitable relative humidity and temperature must be provided to ensure the scion will not wilt and the healing process of grafted seedlings is properly completed. Beijing Jingpeng International Hi-Tech Corporation developed a healing room for grafted seedlings, which features an intelligent environment control system, cycle ventilation equipment, spray humidification system, CO2 fertilization equipment, lighting system, temperature control system, seedling frame, and perimeter protection. The healing room can provide a suitable artificial environment for newly grafted vegetable seedlings. The environment can be controlled based on the healing requirements of grafted seedlings through automatic control of artificial climate, including relative humidity, temperature, light, wind speed, and other environmental factors. Providing such an environment can promote callus growth, improve the survival rate of grafted seedlings, and increase the mass production of seedlings.