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                                                                                                                                歡迎來到美國YLOK閥門一級代理商官方網站

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                                                                                                                                電磁閥工作原理

                                                                                                                                  詳細說明

                                                                                                                                  電磁閥是用電磁控制的工業設備,是用來控制流體的自動化基礎元件,屬于執行器,并不限于液壓、氣動。用在工業控制系統中調整介質的方向、流量、速度和其他的參數。電磁閥可以配合不同的電路來實現預期的控制,而控制的精度和靈活性都能夠保證。電磁閥有很多種,不同的電磁閥在控制系統的不同位置發揮作用

                                                                                                                                  電磁閥工作原理圖


                                                                                                                                  下面有YLOK進口電磁閥事業部為大家帶來不同電磁閥的工作原理來圖。

                                                                                                                                  一、直動式電磁閥

                                                                                                                                  直動式電磁閥結構圖(圖1)

                                                                                                                                  直動式電磁閥工作原理:通電時,電磁線圈產生電磁力把關閉件從閥座上提起,閥門打開;斷電時,電磁力消失,彈簧把關閉件壓在閥座上,閥門關閉。

                                                                                                                                  特點:在真空、負壓、零壓時能正常工作,但通徑一般不超過25mm。

                                                                                                                                  二、分步直動式電磁閥

                                                                                                                                  分步直動式電磁閥結構圖(圖2)

                                                                                                                                  分步直動式電磁閥工作原理:它是一種直動和先導式相結合的原理,當入口與出口沒有壓差時,通電后,電磁力直接把先導小閥和主閥關閉件依次向上提起,閥門打開。當入口與出口達到啟動壓差時,通電后,電磁力先導小閥,主閥下腔壓力上升,上腔壓力下降,從而利用壓差把主閥向上推開;斷電時,先導閥利用彈簧力或介質壓力推動關閉件,向下移動,使閥門關閉。

                                                                                                                                  特點:在零壓差或真空、高壓時亦能可*動作,但功率較大,要求必須水平安裝。

                                                                                                                                  三、先導式電磁閥

                                                                                                                                  先導式電磁閥結構圖(圖3)

                                                                                                                                  先導式電磁閥工作原理:通電時,電磁力把先導孔打開,上腔室壓力迅速下降,在關 閉件周圍形成上低下高的壓差,流體壓力推動關閉件向上移動,閥門打開;斷電時,彈簧力把先導孔關閉,入口壓力通過旁通孔迅速腔室在關閥件周圍形成下低上高的壓差,流體壓力推動關閉件向下移動,關閉閥門。

                                                                                                                                  特點:流體壓力范圍上限較高,可任意安裝(需定制)但必須滿足流體壓差條件。

                                                                                                                                  二位二通電磁閥工作原理圖

                                                                                                                                  二位三通電磁閥工作原理圖

                                                                                                                                  二位四通電磁閥工作原理圖

                                                                                                                                  三位三通電磁閥工作原理圖

                                                                                                                                  三位四通電磁閥工作原理圖




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