Function of Elevator

Standard Function 

  1. Travel function 


VVVF drive
Motor rotating speed can be precisely adjusted to get smooth speed curve in elevator start travel and stop and gain the sound comfort
VVVF door operator
Motor rotating speed can be precisely adjusted to get the more gentle and sensitive door machine start/stop.
Independent running
The elevator can not respond to outer calling, but only respond to the command inside the car through the action switch.
Automatic pass without stop
When the car is crowded with the passengers or the load is close to preset value, the car will automatically pass the calling landing in order to keep maximum travel efficiency.
Automatically adjust door opening time
Door-open time can be automatically adjust according to the difference between landing calling or car calling .
Reopen with hall call
In the door shutting process, press reopen with hall call button can restart the door.
Express door closing
When the elevator stops and opens the door, press door- shut button, the door will be closed immediately.
Car stops and door open
The elevator decelerates and levels, the door only opens after the elevator comes to complete stop.
Car arrival gong
Arrival gong in the car top announces that the passengers arrive.
Direct Parking
It completely accords with distance principle with no crawling in the leveling, It greatly enhances the travel efficiency.


2. Safety Function  


Photocell protection
In the door open and shut period ,infrared light that covers the whole door height is used to probe the door protection device of both the passengers and objects.
Designated stop
If the elevator can not open the door in the destination floor out of some reason, the elevator will close the door and travel to the next designated floor.
Overload holding stop
When the car is overload, the buzzer rings and stops the elevator in the same floor.
Anti-stall timer protection
The elevator stops operation due to slippery traction wire rope.
Start protection control
When the elevator enters into inspection operation, the car travels at inching running.
Fault self-diagnosis
The controller can record 62 latest troubles so as to quickly remove the trouble and restore the elevator operation.
Repeated door closing
If the elevator can not close the door due to certain obstacle or interference, the elevator will reopen or re-shut the door until sundries are eliminated.
Up/down over-run and final limit protection
The device can effectively prevent from the elevator's surging to the top or knocking the bottom when it is out of control .It results in more safe and reliable elevator travel.
Down over-speed protection device
When the elevator down 1.3 times higher than the rated speed, this device will automatically cut off control mains, stop the motor running .safety tongs act to force the elevator stop in order to ensure safety .
Upward over-speed protection device
When the elevator up speed is 1.3 times higher than rated speed, the device will automatically decelerate or brake the elevator .


 3. Man-machine interface


Micro-touch button for car call and hall call
Novel micro-touch button is used for operation panel command button in the car and landing calling button.
Floor and direction indicator inside car
The car shows the elevator floor location and current travel direction.
Floor and direction indicator in hall
The landing shows the elevator floor location and current travel direction.


4. Emergency Function  


Emergency car lighting
Emergency car lighting automatically activated once power failure.
Inching running
When the elevator enters into emergency electric operation, the car travels at low speed inching running.
Five way inter com
Communication amid car, car top elevator machine room well pit and rescue duty room through walkie-talkie.
In emergency conditions, if bell button above car operation panel is continuously pressed, electric bell rings on top of in the car.
Fire emergency return
If you start key switch in main landing or monitor screen, all the callings will be cancelled ,the elevator directly and immediately drives to the designated rescue landing and automatically opens the door.


5. Energy-saving function 


Car ventilation, Light automatic shut off
If there is no calling or command signal within the stipulated time, the car fan and lighting will be automatically closed in order to save the energy.
Remote Shut-off
The elevator can be called to main landing (after finishing the service) through the key switch and automatically exists the service.


Optional Function 
1. Emergency Function


Uninterrupted power supply(OPS)
In normal power failure, the chargeable battery supplies the elevator power. The elevator drives to the nearest landing.


 2. Travel function


In the light elevator load, when three more commands appear, in order to avoid the unnecessary parking , all the registered callings in the car will be cancelled.
Open the door in advance
When the elevator decelerates and enters into door open zone, it automatically opens the door to enhance the travel efficiency.
Command register cancel
If you press the wrong floor command button in the car, twice continuous pressing of the same button can cancel the registered command.
Duplex control
Two sets of same model elevators can unanimously respond the calling signal through the computer dispatch. In this way, it reduces the passengers' waiting time to the greatest extent and enhance the travel efficiency as well.


 3. Man-machine interface


Voice system
When the elevator normally arrives, voice announcer informs the passengers about the relevant information.
Car assistant operation box
It is used in the large loading weight lifts or the elevators with crowded passengers so that more and more passengers.
Operation box for the handicapped
It is convenient for the wheelchair passengers and those who have vision problems.
Intelligent calling service
The car command or hoist-way calling can be locked or connected through special intelligent input.


 4. Monitor function


Remote monitor
The elevator long-distance monitor and control can be fulfilled through modern and telephone .It is convenient for the factories and service units to timely know the travel conditions of every elevator and promptly take the corresponding measures.
Camera function in the car5
The camera is installed in the car to monitor the car conditions.