elevator Leveling sensor Kone 61N 61U 30 Cigarette rod proximity magnetic switch

1. Functions

The primary function of 61N, 61U, and 30 is to detect the position of the elevator car, ensuring that the elevator can stop accurately at each floor. They work through the principles of magnetic induction or proximity switching. When the elevator car reaches the predetermined position, it triggers the corresponding signal, which controls the elevator's stopping and door-opening actions.

2.Applications

These sensors or switches are widely used in various brands and models of elevators, serving as essential components of the elevator system. They not only improve the operational efficiency and safety of elevators but also reduce the risk of elevator failures and accidents.

3.Working Principles

Magnetic Induction: Many leveling sensors operate based on the principle of magnetic induction. Magnets and sensors are installed between the elevator car and the hoistway wall. When the car reaches the predetermined position, the magnet triggers the sensor, sending a signal to the elevator control system.

Proximity Switch: Another common working principle is the proximity switch. This switch sends a signal by detecting the proximity of an object (such as the elevator car). When the car reaches the predetermined position and approaches the switch, the switch is triggered and sends a signal to the control system.

4.Maintenance and Upkeep

Regular Inspections: To ensure the proper functioning of leveling sensors like 61N, 61U, and 30, regular inspections and maintenance should be conducted. Inspection contents include, but are not limited to, the sensor's sensitivity, the stability of the connecting wires, and the integrity of the magnets.

Cleaning and Maintenance: Regularly clean the sensor surface and surrounding dust and debris to ensure its proper functioning. Additionally, avoid placing magnetic items near the sensor to prevent interference with its sensing effectiveness.

Timely Replacement: If any sensors or switches are found to be faulty or damaged, they should be replaced with new components promptly to ensure the normal operation and safety of the elevator system.

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