Builds a suit of HVAC DAQ and control system which could take precise data acquisition and control water valve, air valve, VAV box, electrical heater, humidifier and other control elements.
暖通空调(HVAC)系统中建立一套对各种水阀、风阀、变风量箱、电加热器、加湿器以及其他控制元件进行准确测量及时控制的数据采集控制系统。
Main equipment: pre-heater, evaporator, condenser, sugar meter, vacuum system, temperature control, liquid level control, valve fittings, automatic electrical control system;
主要设备：预热器、蒸发器、冷凝器、糖度仪、真空系统、温度控制、液位控制、阀门管件、自动电气控制系统；
A new developed electrical control VVT system is presented which USES a tensioner with variable working position to change the intake valve-closing Angle.
本文介绍了一种基于可变位置液压张紧器机构实现控制进气门关闭相位角的电控可变配气相位系统。
The paper is mainly to advance a new type of electrical valve which has many kinds of function. It also has explored in detail the mechanical structure and the principle of control.
提出了一种多功能的新型电控阀，并探讨了其机械结构和控制原理。
The brake valve is simple in structure, can realize wire control of the brake pipe fluid pressure, and has the capacity of mechanical backup brake under the condition of the electrical fault.
本发明结构简单，能实现制动管路液压力的线控制，并具备电气故障下的机械备份制动能力。
Alarm output: frequent on or off signal, control exhaust fan, electrical magnetic valve signal.
报警输出：常开常闭信号，控制排风扇，电磁阀信号。
Alarm output: frequent on or off signal, control exhaust fan, electrical magnetic valve signal.
报警输出：常开常闭信号，控制排风扇，电磁阀信号。
应用推荐