福州喷灌机厂于1979～1982年为完成机械部农机局下达的“固定喷灌机组自动控制装置”的课题,先后在福州红星农场和福州郊区安装了20余套自控装置。该装置为时间程序自动控制,由控制阀门和控制电路两大部分组成。该装置的控制阀门是利用普通截止阀作为开通和关闭执行元件,并装有开闸和关闸的二块电磁铁和作为开关阀门动力的活塞,以及一个以青铜为材料的二位四通阀。当开阀磁铁得到一个电脉冲时,二 Fuzhou irrigation machinery factory in 1979 ~ 1982 to complete the Ministry of Agriculture Bureau issued “fixed sprinkler automatic control device,” the subject, has Fuzhou Red Star Farm and Fuzhou suburbs installed more than 20 sets of self-controlled devices. The device is automatic control of the time program, the control valve and control circuit consists of two parts. The device’s control valve is the use of ordinary shut-off valve as the opening and closing of the executive components, and with the opening and closing of the two electromagnets and the valve as a power switch piston, and a two-way four-way valve bronze . When opening the magnet to get an electric pulse, two