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PUBLISH TIME: 2021-04-19
According to elevator control methods, elevators can be divided into the following categories.
The handle switch is operated. The elevator driver controls the handle switch of the control panel in the car to realize the operation state of starting, rising, falling, leveling and stopping of the elevator.
Button control elevator is a simple automatic control elevator with automatic leveling function. There are two common control modes: button control outside the car and button control inside the car.
Signal control elevator, this is a kind of elevator with a high degree of automatic control. In addition to the functions of automatic leveling and automatic door opening, it also has the functions of car order registration, landing call registration, automatic landing, forward stop and automatic reversing.
Collective control elevator is a fully automatic control elevator developed on the basis of signal control. The main difference from signal control is that it can be operated without a driver.
Parallel control elevators, the control lines of 2 to 3 elevators are connected in parallel for logic control, sharing the call button outside the landing, and the elevator itself has a collective selection function.
Group control elevators are controlled by a microcomputer and dispatched multiple elevators in parallel. Group control has the form of ladder group program control and ladder group intelligent control.
19 Apr, 2021
According to whether the elevator has a driver or not, the elevator can be divided into the following categories. There is an elevator with a driver, and the operation of the elevator is controlled by a full-time driver.
16 Apr, 2021
The primary problem of MRL elevators is how to arrange key components such as the car, counterweight, main engine, control cabinet, and speed limiter in the general elevator shaft without a machine room. If the machine room is cancelled and the cross-sectional area of ?
16 Apr, 2021
According to the driving mode of the elevator, the elevator can be divided into the following categories. AC elevator, an elevator that uses an AC induction motor as the driving force.
16 Apr, 2021
According to the purpose of elevators, elevators can be divided into the following categories. Passenger elevators, elevators designed to transport passengers, require complete safety facilities and certain interior decorations.