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What are the structural components of the waterproof metal button switch?
作者:Steven 发布于:2017-07-05 17:59:52 点击量:

Waterproof Metal button Switch We are not unfamiliar with it, mainly in our lives widely used in, then what about the product you know? And how does the product relate to the structure of the site combination? However, the structure of the product is grouped as follows:
1. Often open contact Head (dynamic Contact): refers to the original state (the electrical device is not affected by external force or coil), fixed contact and movable contact point in the separate state of the contact;
2. Normally closed contact (dynamic break Contact): refers to the original state (the electrical device is not affected by external force or coil), fixed contact and movable contact point in the closed state of the contact;
3. Often open (dynamic) button switch, the contact is disconnected when not pressed, the contact is closed when pressed; when loosened, the button switch is reset and disconnected under the action of the reset spring. In the control circuit, often open the button commonly used to start the motor, also known as the Start button;
4. Normally closed (break) button switch and often open button switch, at the end of the press, the contact is closed, when the contact is broken; When the hand is released, the button switch is reset and closed under the action of the reset spring. Often closed button is used to control the motor parking, also known as the reset button;
5. Compound button switch: The button switch which combines often open and normally closed button switch, which has constant close contact and often open contact head. When not pressed, the normally closed contact is closed, and the open contact head is disconnected. Press the button, often closed contact first disconnect, often open contact after the closure, can be considered a self-locking button; When released, the button switch, under the action of the reset spring, will often open the contact head disconnect, and then closed contact closed. The compound button is used in the interlock control circuit.





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