Infrared travel switch is a safety device commonly used on single-beam cranes, which can control the travel range of single-beam cranes. The editor introduces the working principle and adjustment method of the infrared travel switch of the single-beam crane.
Infrared travel switch is to use the detected object to shield or reverse the infrared beam, and detect the presence or absence of the object by the synchronization circuit. The detection object is not limited to metal, and can detect all non-metal objects. The product has small size, high precision, Long detection distance, anti-corrosion, anti-light, anti-electromagnetic interference, safety can be applied to driving operation detection and electric hoist lifting limit, which can completely replace old-fashioned mechanical switches.
When adjusting the distance, if there is no obstacle in the front, the indicator is off, and the indicator is off (no response). When the switch reaches the limit, when the indicator of the callback knob is on, it is the farthest distance.
Precautions:
1. The front reflector must be kept clean.
2. Do not use uneven objects as reflectors.
3. The temperature of the surrounding medium is not higher than +70°C and not lower than -15°C.
4. Move the designated knob on the front to fix the distance according to the site requirements before use.
The principle of the infrared travel switch is very simple, and the adjustment is also relatively convenient.
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