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              您所在的位置:首頁-新聞中心-新聞動態-中間繼電器在實際應用中的2個基本作用

              中間繼電器在實際應用中的2個基本作用

              來源:http://www.cekidots.com/ 日期:2021-07-29 發布人:tongjid

              中間繼電器在實際應用中的2個基本作用:

              Two basic functions of intermediate relay in practical application:
              1、中間繼電器觸點擴展,一般用在主回路居多:
              1. The contact extension of intermediate relay is generally used in the main circuit:
              例如:中間繼電器用在主回路中,和交流接觸器并聯,用來擴展交流接觸器的觸點,彌補觸點使用情況不足的缺點。
              For example, the intermediate relay is used in the main circuit in parallel with the AC contactor to expand the contact of the AC contactor and make up for the shortage of contact use.
              2、進行電氣隔離一般多應用于控制電路中:
              2. Electrical isolation is generally used in control circuits:
              就是我們平常使用的原理:小電流來控制大電流,小電壓來控制大電壓,對于主回路中大電流和大電壓進行隔離。
              It is the principle we usually use: small current to control large current, small voltage to control large voltage, and isolate large current and large voltage in the main circuit.
              中間繼電器實物運用:如何用微型繼電器控制負載,圖中我們用繼電器控制一盞燈,13---14接入電源,零線直接進燈,火線進繼電器常開點9,經過常開點出來就是5,接到燈上面,當繼電器通電的時候常開觸點閉合,燈得電亮起來。
              Physical application of intermediate relay: how to use micro relay to control the load. In the figure, we use relay to control a lamp. 13-14 are connected to the power supply, the zero line directly enters the lamp, the live line enters the relay normally open point 9, and comes out through the normally open point is 5. It is connected to the lamp. When the relay is powered on, the normally open contact is closed and the lamp is powered on.
              繼電器常開---常閉運用=13---14接繼電器電源,零線分別進兩個燈,火線進繼電器公共端9,然后5出來進燈,1號端子出來進燈,微型繼電器初始狀態1號端子上面的燈會亮起來,因為1---9是常閉點,繼電器得電吸合5號接線端子燈會亮起來。因為繼電器得電,常開觸點閉合,所以燈會亮起來。
              Relay normally open --- normally closed application = 13 --- 14 connect the relay power supply, the zero line enters two lamps respectively, the live line enters the relay common terminal 9, then 5 comes out and enters the lamp, and terminal 1 comes out and enters the lamp. In the initial state of the micro relay, the lamp on terminal 1 will light up, because 1 --- 9 is the normally closed point, the relay is powered on and pulled in, and the lamp on terminal 5 will light up. Because the relay is energized and the normally open contact is closed, the light will come on.
              中間繼電器實際運用圖2.jpg
              Actual application of intermediate relay Fig. 2.jpg
              光電開關控制微型繼電器:首先我們用繼電器控制報警器,合上電源報警器就響起來,所以我們用光電開關控制繼電器,既然控制繼電器我們就要控制繼電器的線圈,如圖中所示,當我們觸碰到光電開關,繼電器得電,報警器才會響。
              Photoelectric switch controls micro relay: first, we use the relay to control the alarm. When the power supply is turned on, the alarm will sound, so we use the photoelectric switch to control the relay. Since we control the relay, we need to control the coil of the relay, as shown in the figure. When we touch the photoelectric switch, the relay will power on and the alarm will sound.
              光電開關220V加中間繼電器報警工作原理:首先我們圖中所用的電器元件都是220V,所以電源接零線,火線分別進到繼電器的常開觸點上面,觸點進報警器的電源。光電開關接線,零線進光電開關。
              Working principle of photoelectric switch 220V plus intermediate relay alarm: firstly, the electrical components used in our drawing are 220V, so the power supply is connected to the zero line, the live line is respectively connected to the normally open contact of the relay, and the contact is connected to the power supply of the alarm. Photoelectric switch wiring, zero line into photoelectric switch.
              經過光電開關常開進繼電器線圈13,火線進繼電器的線圈14,當我們觸碰到光電開關的時候,光電開關常開點閉合,這時候繼電器線圈得電,常開觸點閉合,報警器得電響起來,當我們離開 光電開關,常開點斷開,繼電器失電,報警器失電停止響聲。這就是光電開關如何控制繼電器。以及繼電器如何用到實際電路中,起到傳遞信號的作用。
              When we touch the photoelectric switch, the normally open point of the photoelectric switch is closed. At this time, the relay coil is powered on, the normally open contact is closed, and the alarm is powered on and sounds. When we leave the photoelectric switch, the normally open point is disconnected, the relay is powered off, and the alarm stops sounding. This is how the photoelectric switch controls the relay. And how the relay is used in the actual circuit to transmit signals.


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