Guangdong Institute of Modern Agricultural Equipment

Guangzhou, China

Guangdong Institute of Modern Agricultural Equipment

Guangzhou, China
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Meng X.,Guangdong Institute of Modern Agricultural Equipment | Huang J.,Guangdong Institute of Modern Agricultural Equipment | Xie Q.,Guangdong Institute of Modern Agricultural Equipment | Chen W.,Guangzhou Jiankun Network Technology Development Co.
Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery | Year: 2015

An equipment for aquaculture was developed which consisted of unmanned automatic cruise boat, environmental and ecological monitoring devices and remote service platform. It achieved a real-time online monitoring and precise control of field devices with high efficiency and low cost. By using the technology of automatic heading speed control, navigation and anti-collision, the unmanned boat realized the function of automatic cruise. Then, the boat carried a self-made multi-functional device (one controller with different probes) to obtain ecological characteristics and various environmental parameters at each specified location, including water temperature, pH value, dissolved oxygen (DO), and oxidation-reduction potential (ORP). Detection parameters could be expanded according to the actual needs. The boat could obviously reduce the number of monitoring device and effectively improve its detection accuracy. Furthermore, information fusion, statistical analysis and configuration control were used to analyze the obtained data and precisely manage field aquaculture equipment. The result showed that the integrated monitoring equipment could meet the needs of large-scale and factory-style aquaculture, and promoted the wider application of precision agriculture equipment in ordinary farmers. ©, 2015, Chinese Society of Agricultural Machinery. All right reserved.


Luo Q.,South China Agricultural University | Luo Q.,Guangdong Institute of Modern Agricultural Equipment | Zhang J.,Guangdong Institute of Modern Agricultural Equipment | Wu Y.,Guangdong Institute of Modern Agricultural Equipment | Liu Q.,Guangdong Institute of Modern Agricultural Equipment
Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery | Year: 2014

The ambient air dehumidification needs cooling down the air temperature in conventional heat pump dehumidification system. However, it decreased the temperature of hot air to the grain dryer, which reduced rice drying rate and increased energy consumption at the same time. A heat pipe heat exchanger was installed on the two sides of evaporator of heat pump dehumidification system, which was used for pre-cooling and pre-heating of ambient air respectively, so that dehumidifying capacity can be enhanced and the hot air temperature can be increased. Experiential results showed that with heat pipe in the system, the energy consumption of dehumidification were reduced by 9.6%~28.4% when air relative humidity was 60%~78% at 27℃. Meanwhile, the results demonstrated that dehydrating 1 kg water from rice consumed 1560 kJ energy when inlet air with relative humidity of 80.2% at 26.2 ℃, and saved 18.2% of energy compared with traditional heat pump dehumidification system. ©, 2014, Chinese Society of Agricultural Machinery. All right reserved.

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