电动阀门工作原理电动阀门由两部份组成，一部份是电动执行机构，一部份是阀门，阀门的开关动力来源于电动执行机构，因电动阀门使用比较方便,接通电源就可以使用，相比其它驱动方式的自控阀门来说用量较多。
Operating principle of electric valve The electric valve is composed of two parts, one is the electric actuator, the other is the valve. The opening and closing power of the valve comes from the electric actuator. Because the electric valve is convenient to use, it can be used when the power is turned on. Compared with the automatic control valve driven by other methods, it uses more.
电动阀门工作原理：
Operating principle of electric valve:
电动阀门的工作原理是由电动机带动减速装置，在电信号的作用下，产生直线运动和角度旋转运动。它可以现场操作，也可以远距离操作，可以单台控制，也可以多台集中控制。当现场操作时，可以手动，也可以电动。手电动相反联锁。电动执行器控制原理
The working principle of the electric valve is that the motor drives the reducer to generate linear motion and angular rotation under the action of electrical signals. It can be operated on site or remotely. It can be controlled by a single unit or by multiple units. During field operation, it can be manual or electric. Manual electric reverse interlocking. Control principle of electric actuator
电动阀门根据所配执行机构主要有开关型和调节型两种，开关型电动阀门是用于工况管道中做启闭用，主要作用是截断或接通管道介质。调节型电动阀门可接受控制系统发出的信号，调节阀门的开度达到调节管道介质的流量、压力等参数的目的。
According to the actuator provided, the electric valve mainly has two types: switch type and regulating type. The switch type electric valve is used for opening and closing in the pipeline under working conditions, and its main function is to cut off or connect the pipeline medium. The regulating electric valve can accept the signal sent by the control system, and adjust the opening of the valve to adjust the flow, pressure and other parameters of the pipeline medium.

电动阀门选用：
Selection of electric valve:
有些工况空间有限，或阀门的安装位置较高，阀门安装环境有毒或者其它原因，如果安装手动阀门工作人员不方便操作的场合、一般都建议选择电动阀门。施工现场要求远程操作或者自动控制的场合，手动阀门无法满足工况要求，现场没有气源无法使用气动阀门的工况，也可以选择电动阀门。工况要求调节、远程操作或频繁启闭场合，手动阀门无法达到要求，可以选择电动阀门使用。
Some operating conditions are limited, or the installation position of the valve is high, the valve installation environment is toxic, or for other reasons, if the installation of manual valves is inconvenient for operators, it is generally recommended to select electric valves. Where remote operation or automatic control is required at the construction site, the manual valve cannot meet the working condition requirements, and the pneumatic valve cannot be used without air supply at the site, the electric valve can also be selected. When the operating conditions require adjustment, remote operation or frequent opening and closing, the manual valve cannot meet the requirements, so the electric valve can be used.
电动阀工作原理
Operating principle of electric valve
电动阀是工业自动领域体控制系统中的一种执行单元，它是由电执行器与阀门组合而成的，然后通过电机运转来驱动执行器，从而控制阀门运作，本章节主要讲述的是常用的角行程开关式电动阀。电动阀的构成主要由电动执行器，阀门两大主要部分组成。
The electric valve is an execution unit in the body control system of the industrial automation field. It is composed of an electric actuator and a valve, and then drives the actuator through the operation of the motor to control the operation of the valve. This chapter mainly describes the commonly used angle travel switch electric valve. The electric valve is mainly composed of electric actuator and valve.    
电动执行器分类 从转动方式分为：直行程、角行程两种；按结构原理分为：多回转型、部分回转型。
The classification of electric actuators can be divided into two types: straight stroke and angular stroke; According to the structural principle, it can be divided into multi turn transformation and partial turn type.
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