Shandong University

Qingdao Hisense Hitachi Air-conditioning Systems Co., Ltd.

Shandong Academy Agricultural Machinery Sciences

Peng Yan

Gang Chen

Yongjia Sun

Jingxin Shen

Yang Sun

Yitian Sun

Fei Han

Qing Long Li

Min Zhou

Xian Ying Feng

Jun Zhou

An air conditioning system includes an outdoor unit and an indoor unit. The outdoor unit includes a compressor, an outdoor heat exchanger, a first expansion valve, a third expansion valve, and a subcooling heat exchanger. The indoor unit includes an indoor heat exchanger and a second expansion valve. In a cooling mode, the outdoor unit is configured to adjust an opening degree of the first expansion valve according to a relationship between a first difference and a first preset value; adjust an opening degree of the second expansion valve according to a relationship between a second difference and a second preset value; and adjust an opening degree of the third expansion valve according to a relationship between a third difference and a third preset value.

Air conditioning system and control method thereof

A directional garlic seed throwing mechanism includes a base, a rotating device, a vision sensor, a seed throwing guide plate, a seed guide pipe and a plurality of bulbil adjusting devices. The rotating device includes a rotating motor detachably connected to the base and a turntable connected to an output end of the rotating motor. The seed throwing guide plate is arranged on the turntable to enable garlic seeds of seed containing bowls to fall into the seed guide pipe. The seed guide pipe has an upper port right below the bulbil adjusting devices and arranged on the base. An even number of the bulbil adjusting devices are fixed on the turntable uniformly and symmetrically and include the seed containing bowls and bulbil direction control devices for driving the bowls to rotate 180 degrees.

Directional garlic seed throwing mechanism and control method of the same

Growing community of inventors

Shandong, China

Peng Yan