Floor Selector Elevator

This is a mechanical device to simulate the lift car s position in the shaft without having to run cables down the.

Floor selector elevator. The low voltage power supply is for the controlling component and the fixtures to control the elevator except the items mentioned above they use the single phase power. Mechanical selectors were common in relay driven elevators installed before around 1985. This selector turns at a reduced ratio like a screw. As the car moves up and down the selector box sends signals back to the controller identifying the car location in the hoistway.

Having a selector on each of the floors makes it possible to go to whatever floor you want regardless of what floor you are currently on. Additionally some older traction elevators use a cable that travels the length of the shaft with the car. It is tied through a system of gears to a selector. The site preparation work is very minimal keeping the costs low.

These devices are found in the elevator machine room and are only found in traction elevators. It uses item frames for floor selection making it very easy and quick to pick the floor you want to go to. Each lift company made their own version of what is know as a floor selector. When the elevator arrives at a floor the technician has set switches on the screw to make contact to slow then stop the elevator.

The selector box runs up and down on this metal tape and is mounted on top of the car. The controller usually tune down the voltage between 12v to 24v to the controlling system only the motor needs 3 phase power supply. 100 people or less 101 200 201 600 601 800 800 people or more. Elevator selector determine which elevator meets your building s needs in three easy steps.

For instance car location is especially important as the elevator levels to the floor. Number of occupants above the first floor i. Estimate the number of occupants and visitors above the ground level in the building. The small footprint and shaft less design allows it to easily fit in typical floorplans.

When you travel in an old elevator the floor selector is the device that keeps track of where the elevator car is before microprocessors were around. A selector sometimes referred to as a floor selector or an elevator leveling cam is a mechanical device that shows the position of the elevator car in the shaft using electric circuit and without memory.