CN2211438Y

CN2211438Y - Automatic load controller for moving staircase

Info

Publication number: CN2211438Y
Application number: CN 94239229
Authority: CN
Inventors: 陈翌飞
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-08-16
Filing date: 1994-08-16
Publication date: 1995-11-01
Anticipated expiration: 2004-08-16

Abstract

The utility model relates to an automatic load controller for a moving staircase, which belongs to the technology of automatic control for electricians. An upper layer of pedal iron plate and a lower layer of pedal iron plate are arranged at an entrance of a moving staircase; a normally closed button switch and a spring are arranged between the upper layer of pedal iron plate and the lower layer of pedal iron plate, and the button switch and a time relay are connected with an original circuit. When passengers stand on the moving staircase, the moving staircase works; when no passengers stand on the moving staircase, the moving staircase stops working, which can save electricity and can provide service with high quality. The utility model has the advantages of simple structure and reliable performance. The utility model can be installed and used for not only a new moving staircase but also an old moving staircase.

Description

Automatic load controller for moving staircase

A kind of loading automatic control device of handrail elevator belongs to electrician's automatic control technology.

Growing along with market economy, many markets, common facilities, unit all are equipped with handrail elevator.Existing handrail elevator just is in running state after starting, until just out of service after shutdown operation.In the use of handrail elevator discountinuity appears through regular meeting because of a variety of causes and nobody take advantage of the idle running situation of carrying, as in the market during client for a long time less, the time idle running that causes handrail elevator such as few for a long time of common facilities passenger flow volume, wasted many electric energy.Sometimes indivedual units are under the few situation of client, and the method for negatively taking to close handrail elevator is saved electric energy, and tending to so again makes troubles to the client that indivedual needs take a lift, thereby produce dislike.

The purpose of this utility model is: an automatic control device is installed on handrail elevator, making handrail elevator have the people to take the opportunity turns round automatically, nobody takes the opportunity and shuts down automatically, both satisfy taking conveniently of each client thereby reach, again can be when nobody takes save the purpose of electric energy because of shutting down automatically.

The utility model is to realize by following scheme, adds the control circuit that a cover loads automatically in the circuit of handrail elevator.It comprises source switch, the electromagnetic switch in original circuit and makes the electrical motor of elevator running that its structural feature is to add a time relay and a normally closed button switch in circuit again.Having that this normally closed button switch is installed in that the elevator entrance place specially is provided with is spring controlled up and down between the two-layer step iron plate.When the people will take elevator, effect because of body weight when the passenger sets foot on elevator entrance place iron plate disconnects normally closed button switch, thereby promote a time relay from being disconnected to closed action, the holding time of this time relay can be regulated, at the time relay period of contact, the electromagnetic switch adhesive, electrical motor is rotated, thereby drive the elevator running, nobody sets foot on the iron plate at ad hoc elevator entrance place again if in this section regulated the time of setting, electromagnetic switch can automatic cutout, and the electrical motor stall realizes that nobody takes the purpose that shuts down under the situation of elevator and economize on electricity.

Advantage of the present utility model is:

1. guarantee that each client that need take elevator takes elevator at any time, can prevent simultaneously the idle running of the handrail elevator under the situation that nobody takes effectively, save electric energy;

2. the utility model is simple in structure, dependable performance, and used electric partss etc. are commercially available.

Accompanying drawing is embodiment of the present utility model, wherein:

Fig. 1. the installation site figure of the loading automatic control device of handrail elevator.

Fig. 2. the schematic circuit diagram of the loading automatic control device of handrail elevator.

Now in conjunction with the accompanying drawings the utility model is further described.

The utility model is by normally closed button switch 1, upper strata step iron plate 2, and spring 3, lower floor's step iron plate 4, time relay 5, source switch 6, electromagnetic switch 7, electrical motor 8 is formed.

(escalator up is in the entrance, lower end in upper and lower two entrance of handrail elevator, descending elevator is in the entrance, upper end) upper strata step iron plate 2 and lower floor's step iron plate 4 respectively are installed respectively, in the middle of upper and lower two-layer step iron plate, normally closed button switch 1 and spring 3 are housed.When nobody used elevator, although source switch 6 has closed, elevator had been in starting state at any time, and normally closed button switch 1 does not disconnect, and elevator is in halted state.To take a lift as the people, come the elevator entrance place, set foot on upper strata step iron plate 2, under the effect of people's body weight, holddown spring 3, normally closed button switch 1 is disconnected, cause time relay 5 outages that are under the "on" position, make time relay 5 contact closure (after normally closed switch 1 recovered to connect, time relay 5 was because time-lag action, through just disconnection behind the certain hour), connected the winding of electromagnetic switch 7, make electromagnetic switch three-phase contact closure, electrical motor 8 energising runnings drive the elevator running.The holding time of time relay 5 can be by the actual conditions adjustment, generally by be enough to can each passenger safety serve the required time of flooring and set and regulate.When at time relay in the holding time, the someone will take a lift again, last flooring, normally closed button switch 1 is disconnected once by passenger's body weight effect again, the holding time of time relay 5 is readjusted once again, elevator can be in running state always, so serve flooring with guaranteeing last passenger safety.Equally, for descending elevator, in the middle of the upper strata of entrance, upper end step iron plate 2 and lower floor's step iron plate 4, normally closed button switch 1 is arranged also, thereby played the passenger downstairs, the elevator running, no passenger goes downstairs, the effect that elevator just stops.

The utility model can be used on the new elevator of installing, and also can in the old elevator that has moved application be installed.

Claims

A kind of loading automatic control device of handrail elevator, comprise source switch (6), electromagnetic switch (7) and electrical motor (8), it is characterized in that respectively being equipped with respectively upper strata step iron plate (2) and lower floor's step iron plate (4) in the upper and lower entrance of elevator, between the upper and lower layer step iron plate normally closed button switch (1) and spring (3) are housed, normally closed button switch (1) and time relay (5) insert in the middle of source switch (6) and the electromagnetic switch (7), form a loading automatic control device.