電動閥門工作原理電動閥門由兩部份組成，一部份是電動執行機構，一部份是閥門，閥門的開關動力來源于電動執行機構，因電動閥門使用比較方便,接通電源就可以使用，相比其它驅動方式的自控閥門來說用量較多。
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.
電動閥門工作原理：
Operating principle of electric valve:
電動閥門的工作原理是由電動機帶動減速裝置，在電信號的作用下，產生直線運動和角度旋轉運動。它可以現場操作，也可以遠距離操作，可以單臺控制，也可以多臺集中控制。當現場操作時，可以手動，也可以電動。手電動相反聯鎖。電動執行器控制原理
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
電動閥門根據所配執行機構主要有開關型和調節型兩種，開關型電動閥門是用于工況管道中做啟閉用，主要作用是截斷或接通管道介質。調節型電動閥門可接受控制系統發出的信號，調節閥門的開度達到調節管道介質的流量、壓力等參數的目的。
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.

電動閥門選用：
Selection of electric valve:
有些工況空間有限，或閥門的安裝位置較高，閥門安裝環境有毒或者其它原因，如果安裝手動閥門工作人員不方便操作的場合、一般都建議選擇電動閥門。施工現場要求遠程操作或者自動控制的場合，手動閥門無法滿足工況要求，現場沒有氣源無法使用氣動閥門的工況，也可以選擇電動閥門。工況要求調節、遠程操作或頻繁啟閉場合，手動閥門無法達到要求，可以選擇電動閥門使用。
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.
電動閥工作原理
Operating principle of electric valve
電動閥是工業自動領域體控制系統中的一種執行單元，它是由電執行器與閥門組合而成的，然后通過電機運轉來驅動執行器，從而控制閥門運作，本章節主要講述的是常用的角行程開關式電動閥。電動閥的構成主要由電動執行器，閥門兩大主要部分組成。
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.    
電動執行器分類 從轉動方式分為：直行程、角行程兩種；按結構原理分為：多回轉型、部分回轉型。
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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