微動(dòng)開(kāi)關(guān)介紹及應(yīng)用（中英文）
什么是微動(dòng)開(kāi)關(guān) / WHAT ARE MICRO-SWITCHES
微動(dòng)開(kāi)關(guān)是需要非常小的力（推/壓）以快速操作的開(kāi)關(guān)。它們非?？煽?、快速且使用效率高。微動(dòng)開(kāi)關(guān)也稱為微型速動(dòng)開(kāi)關(guān)。微動(dòng)開(kāi)關(guān)用于許多現(xiàn)代智能應(yīng)用，沒(méi)有它們智能設(shè)備無(wú)法運(yùn)行。
Micro-switches are switches that need a very little amount of force (push/pressure) to operate at a rapid speed. They are very reliable, fast and efficient to use. A micro-switch is also known as a miniature snap-action switch. The micro-switches are used in many modern-day smart applications without them smart appliances are not possible.
微動(dòng)開(kāi)關(guān)的類(lèi)型 / THE TYPE OF MICRO SWITCH
微動(dòng)開(kāi)關(guān)通常用于許多電氣和機(jī)械設(shè)備中，因?yàn)樗鼈兲峁┝艘环N檢測(cè)物理運(yùn)動(dòng)或位置變化的可靠方法。有幾種具有不同電路配置的微動(dòng)開(kāi)關(guān)，包括 SPDT、SPST NC、SPST NO、DPDT、DPST NO 和 DPST NC 電路。
Micro switches are commonly used in many electrical and mechanical devices as they provide a reliable way to detect physical movements or position changes. There are several types of microswitches with different circuit configurations, including SPDT, SPST NC, SPST NO, DPDT, DPST NO, and DPST NC circuits.
SPDT（單刀雙擲）
SPDT 微動(dòng)開(kāi)關(guān)具有三個(gè)端子，一個(gè)是公共端子 (C)，兩個(gè)是開(kāi)關(guān)端子（NO 和 NC）。當(dāng)開(kāi)關(guān)未激活時(shí)，公共（C）端連接到常閉（NC）端，當(dāng)開(kāi)關(guān)激活時(shí)，公共（C）端連接到常開(kāi)（NO）端。
SPDT (Single Pole Double Throw)
A SPDT micro switch has three terminals, one common (C) and two switched (NO and NC). When the switch is not activated, the common (C) terminal is connected to the normally closed (NC) terminal, and when the switch is activated, the common (C) terminal is connected to the normally open (NO) terminal.
SPST NC（單刀單擲常閉）
SPST NC 微動(dòng)開(kāi)關(guān)有兩個(gè)端子，一個(gè)是公共端子 (C)，一個(gè)是常閉端子 (NC)。當(dāng)開(kāi)關(guān)未激活時(shí)，公共 (C) 端子連接到常閉 (NC) 端子，當(dāng)開(kāi)關(guān)激活時(shí)，連接斷開(kāi)。
SPST NC (Single Pole Single Throw Normally Closed)
A SPST NC micro switch has two terminals, one common (C) and one normally closed (NC). When the switch is not activated, the common (C) terminal is connected to the normally closed (NC) terminal, and when the switch is activated, the connection is broken.
SPST NO（單刀單擲常開(kāi)）
SPST NO 微動(dòng)開(kāi)關(guān)有兩個(gè)端子，一個(gè)是公共端子 (C)，一個(gè)是常開(kāi)端子 (NO)。當(dāng)開(kāi)關(guān)未激活時(shí)，公共端（C）和常開(kāi)（NO）端子之間沒(méi)有連接，當(dāng)開(kāi)關(guān)激活時(shí)，連接建立。
SPST NO (Single Pole Single Throw Normally Open)
A SPST NO micro switch has two terminals, one common (C) and one normally open (NO). When the switch is not activated, there is no connection between the common (C) and normally open (NO) terminals, and when the switch is activated, the connection is established.
DPDT（雙刀雙擲）
雙刀雙擲微動(dòng)開(kāi)關(guān)有六個(gè)端子、兩個(gè)公共端子（C1 和 C2）和四個(gè)開(kāi)關(guān)端子（NO1、NO2、NC1 和 NC2）。兩極相互獨(dú)立，同時(shí)運(yùn)行。當(dāng)開(kāi)關(guān)未被激活時(shí)，公共端（C1）連接到常閉（NC1）端，公共端（C2）連接到常閉（NC2）端。
開(kāi)關(guān)動(dòng)作時(shí)接反，公共端（C1）接常開(kāi)（NO1）端，公共端（C2）接常開(kāi)（NO2）端。
DPDT (Double Pole Double Throw)
A DPDT micro switch has six terminals, two commons (C1 and C2) and four switched (NO1, NO2, NC1, and NC2). The two poles are independent of each other and operate simultaneously. When the switch is not activated, the common (C1) terminal is connected to the normally closed (NC1) terminal, and the common (C2) terminal is connected to the normally closed (NC2) terminal.
When the switch is activated, the connection is reversed, and the common (C1) terminal is connected to the normally open (NO1) terminal, and the common (C2) terminal is connected to the normally open (NO2) terminal.
DPST NC（雙刀單擲常閉）
DPST NC 微動(dòng)開(kāi)關(guān)有四個(gè)端子，兩個(gè)公共端（C1 和 C2）和兩個(gè)常閉（NC1 和 NC2）。當(dāng)開(kāi)關(guān)未激活時(shí)，兩個(gè)公共端（C1 和 C2）都連接到它們各自的常閉（NC1 和 NC2）端子，當(dāng)開(kāi)關(guān)被激活時(shí)，連接斷開(kāi)。
DPST NC (Double Pole Single Throw Normally Closed)
A DPST NC micro switch has four terminals, two commons (C1 and C2) and two normally closed (NC1 and NC2). When the switch is not activated, both commons (C1 and C2) are connected to their respective normally closed (NC1 and NC2) terminals, and when the switch is activated, the connection is broken.
DPST NO（雙刀單擲常開(kāi)）
DPST NO 微動(dòng)開(kāi)關(guān)有四個(gè)端子，兩個(gè)公共端（C1 和 C2）和兩個(gè)常開(kāi)（NO1 和 NO2）。當(dāng)開(kāi)關(guān)未激活時(shí)，公共端（C1 和 C2）和常開(kāi)（NO1 和 NO2）端子之間沒(méi)有連接，當(dāng)開(kāi)關(guān)激活時(shí)，連接建立。
DPST NO (Double Pole Single Throw Normally Open)
A DPST NO micro switch has four terminals, two commons (C1 and C2) and two normally open (NO1 and NO2). When the switch is not activated, there is no connection between the commons (C1 and C2) and normally open (NO1 and NO2) terminals, and when the switch is activated, the connection is established.
可以根據(jù)應(yīng)用選擇使用的微動(dòng)開(kāi)關(guān)類(lèi)型。各種類(lèi)型的桿端子可用于微動(dòng)開(kāi)關(guān)，如銷(xiāo)柱塞、短直桿、標(biāo)準(zhǔn)直桿、長(zhǎng)直桿、加長(zhǎng)直桿、小型模擬滾輪桿、標(biāo)準(zhǔn)模擬滾輪桿、滾輪桿、L 形桿。
Depending on the application we can select the type of micro switch using. Various types of lever terminals are available in microswitch like Pin Plunger, Short Straight lever, Standard Straight Lever, Long Straight Lever, Extended Straight Lever, Small Simulated Roller Lever, Standard Simulated Roller Lever, Roller Lever, L-Shaped Lever.
微動(dòng)開(kāi)關(guān)的接線步驟 / THE STEP TO WIRE MICRO SWITCH
確定微動(dòng)開(kāi)關(guān)類(lèi)型：微動(dòng)開(kāi)關(guān)有幾種類(lèi)型，包括 SPDT（單刀雙擲）、SPST（單刀單擲）和 DPDT（雙刀雙擲）等。在接線之前，請(qǐng)確保知道使用的是什么類(lèi)型。
Determine the type of micro switch you have: There are several types of micro switches, including SPDT (Single-Pole Double-Throw), SPST (Single-Pole Single-Throw), and DPDT (Double-Pole Double-Throw). Make sure you know what type you have before wiring.
準(zhǔn)備電線：切斷并剝?nèi)ビ糜谶B接開(kāi)關(guān)的電線。請(qǐng)務(wù)必留出足夠的電線長(zhǎng)度以連接開(kāi)關(guān)和要連接的設(shè)備。
Prepare the wires: Cut and strip the wires you’ll use to connect the switch. Be sure to leave enough wire length to reach the switch and the device you’re connecting it to.
識(shí)別端子：SPDT 微動(dòng)開(kāi)關(guān)通常具有三個(gè)端子：公共 (C)、常閉 (NC) 和常開(kāi) (NO)。公共端子通常是中心端子，NC 和 NO 端子在兩側(cè)。
Identify the terminals: The SPDT micro switches typically have three terminals: common (C), normally closed (NC), and normally open (NO). The common terminal is usually the center terminal, and the NC and NO terminals are on either side.
連接電線：將一根電線連接到公共端子，將另一根電線連接到 NC 或 NO 端子，具體取決于應(yīng)用。如果需要同時(shí)使用 NC 和 NO 端子，則需要使用 DPDT 開(kāi)關(guān)。
Connect the wires: Connect one wire to the common terminal and another wire to either the NC or NO terminal, depending on your application. If you need to use both NC and NO terminals, you’ll need to use a DPDT switch.
絕緣連接：連接電線后，應(yīng)使用電工膠帶或熱縮管絕緣連接，以防止意外短路。
Insulate the connections: Once you’ve connected the wires, you should insulate the connections with electrical tape or heat shrink tubing to prevent accidental shorts.
測(cè)試開(kāi)關(guān)：最后，測(cè)試開(kāi)關(guān)以確保其正常工作。根據(jù)應(yīng)用，可能需要調(diào)整開(kāi)關(guān)位置或其他設(shè)置以獲得所需的結(jié)果。
Test the switch: Finally, test the switch to make sure it’s working properly. Depending on your application, you may need to adjust the switch position or other settings to get the desired results.
微動(dòng)開(kāi)關(guān)的應(yīng)用 / APPLICATION OF MICRO SWITCH
多年來(lái)，微動(dòng)開(kāi)關(guān)已融入日常生活電器的設(shè)計(jì)中。從冰箱的燈到自動(dòng)門(mén)，都會(huì)有微動(dòng)開(kāi)關(guān)。今天，微型開(kāi)關(guān)用于 3D 打印機(jī)、微波爐、空氣炸鍋、電動(dòng)工具等智能電器。沒(méi)有微動(dòng)開(kāi)關(guān)，就沒(méi)有系統(tǒng)的反饋，也就沒(méi)有智能電器。
3D打印機(jī)
感應(yīng)門(mén)打開(kāi)或關(guān)閉
機(jī)器人項(xiàng)目
冰箱
HVAC
Over the year, the microswitch has been integrated into the design of our everyday life appliances. From the refrigerator light to the automatic door, the microswitch had been there however hidden. Today, microswitches are in 3D printers, smart appliances such as microwaves, air fryers, power tools. Without the microswitches, there will be no feedback from the system and there will be no smart appliances.
3D printer
Senses door open or closed
Robotic projects
Refrigerators
HVAC
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