CN201245398Y

CN201245398Y - Anti-reverse control device of escalator

Info

Publication number: CN201245398Y
Application number: CNU2008200871642U
Authority: CN
Inventors: 宗妍芳; 李慧勋
Original assignee: HANGZHOU XIZI TRUST TECH Co Ltd
Current assignee: Hangzhou Optimax Technology Co., Ltd.
Priority date: 2008-05-30
Filing date: 2008-05-30
Publication date: 2009-05-27
Anticipated expiration: 2018-05-30

Abstract

The utility model relates to an escalator anti-reverse control device which belongs to the category of escalator. The device comprises two independent detection circuits. The detection circuit 1 and the detection circuit 2 are respectively connected with a motor, a main controller and a safety circuit, thus realizing simultaneous or independent detection. The detection circuit 1 and the detection circuit 2 respectively comprise a DC power supply, a sensor, a comparator circuit and a relay. The sensor in any detection circuit measures the rotational speed signal of the motor and sends the signal to the comparator, when the comparator recognizes that the speed of the motor is a certain range lower than the rated speed, i.e. when the motor trends to reverse, the control device can break the safety circuit and force the escalator to stop immediately. The utility model is characterized in simple structure, small volume, high response speed, low energy consumption and high reliability, which effectively guarantees personnel safety. The utility model is applicable to various types of escalators.

Description

The anti-reverse rotation control apparatus of escalator

Technical field

The utility model relates to the anti-reverse dress control setup of a kind of escalator, specifically is to prevent motor reverse causing staircase inverted running safety device, belongs to the escalator class.

Background technology

Known escalator generally is installed in the public place, as the concentrated place of passenger flow volume such as megastore, supermarket, airport and subway station.For this reason, whether the safe operation of escalator is directly connected to people's quality of life and even relates to the safety of life.The reality escalator generally drives the continuous circulating conveying people that step is done upstream or downstream by the direct motor drive chain, just changeing or reversing of electrical motor determines the direction of staircase operation, so can escalator guarantee that normally up or descending is very important.Staircase maker has realized that the importance of staircase safety a bit, they have also has been equipped with the safety control loop, to prevent that the staircase operation from occurring can disconnecting safety return circuit automatically in time when unexpected, realize the effect of stop staircase, guarantee that the passenger is not subjected to unexpected injury.

Even to this day, also can possess and prevent to make the used safety control of staircase flip-flop operation because of motor reverses without any the escalator of manufacturer production.That is to say: make staircase move the invention of employed safety control suddenly in the opposite direction owing to lacking necessary taking a turn for the worse suddenly at motor.

Chinese patent by retrieval, the patent of relevant staircase control invention has, but the identical invention of technology contents that does not provide with the utility model.

Summary of the invention

The purpose of this utility model is for solving the problem that prior art exists, specifically be that real escalator safety device technology is plugged a gap, provide a kind of escalator anti-reverse dress control setup, have and when motor reverses suddenly, can make the timely stop function of staircase, avoid effectively because of the unexpected backward going of staircase causes passenger's unexpected injury, this device has compact conformation, fast, the high reliability features of speed of response.

The concrete technical scheme that the utility model is adopted for achieving the above object is: the anti-reverse rotation control apparatus of a kind of escalator, comprise motor, master controller and vital circuit, it is characterized in that: also include two the tunnel and detect loop 1 and 2, detect loop 1 and 2 and be connected the realization while respectively with motor, master controller and vital circuit or independently finish detection; Wherein: detect loop 1 and 2 and comprise: direct supply, sensor, comparator circuit and relay.

Two sensor dresses in the described detection loop 1 and 2 are solid in the both sides of motor, and remaining detection loop 1 and 2 is arranged in the control box of staircase bottom.

The rotating speed of motor abnormal signal is detected on described detection loop 1 and 2 whiles or arbitrary road, sends running and stop signal to master controller and vital circuit.

Sensor in the described detection loop 1 and 2 is sent to comparator circuit relatively with the motor speed signal that records, when comparator identifies motor speed and is lower than a certain command speed scope, this signal is delivered to vital circuit, thereby cut-out vital circuit, make staircase out of service, send signal to master controller simultaneously.

Be motor when reverse trend is arranged, this control setup can both cut off vital circuit, forces staircase out of service immediately.

The utility model compared with prior art has following beneficial effect:

1, this device simply detects the loop by setting up two the tunnel, comprise vital circuit, master control board and motor, form the safety device of a full automaticity hardware detection, hardware disconnection safety return circuit, prevented from effectively to cause the operation of staircase flip-flop, guaranteed the safe reliability of staircase operation because of the reverse of motor.

2, this device is provided with two tunnel detection loop, and they can use simultaneously, also can use separately, that is to say that when one the road goes wrong, work in another road in the same old way, do not influence detection, the design plan of this dual-use function has been guaranteed reliability of operation more.

3, the utlity model has simple in structure, volume is little, speed of response is fast, energy consumption is low, high reliability features, the contingency when avoiding the passenger to take advantage of staircase effectively guarantees personal safety.

4, this device is applicable to various types of escalators.

Description of drawings

Fig. 1 is the structured flowchart of utility model.

The specific embodiment

Below in conjunction with accompanying drawing technology contents of the present utility model and embodiment are described in further detail.

Referring to accompanying drawing 1, present embodiment comprises that two are independently detected loop 1 and 2, detects loop 1 and 2 and is connected the realization while respectively with motor, master controller and vital circuit or independently finishes detection; Detection loop 1 and 2 wherein includes respectively: direct supply, sensor, comparator circuit and relay.Escalator is when normal operation or inspecting state; after the escalator upstream or downstream start; detect loop 1 and 2 and begin to detect rotating speed of motor; sensor when arbitrary detection loop records motor speed signal and delivers to comparator, when comparator identifies motor speed and is lower than a certain scope of command speed; be that motor is when having reverse trend; this safety device cuts off safety return circuit automatically, forces staircase in time out of service, reaches the purpose of protection passenger personal safety.

Direct supply in this device, sensor, comparator and relay are installed in the control box of escalator bottom, and two sensors are loaded on the motor both sides.

This device detects the loop by simply setting up two the tunnel, comprise vital circuit, master control board and motor, form the safety device of a full automaticity hardware detection, hardware disconnection safety return circuit, prevented from effectively to cause the operation of staircase flip-flop, guaranteed the safe reliability of staircase operation because of the reverse of motor.

Two tunnel the detection loop of this device, can use simultaneously, also can use separately, that is to say when one the road goes wrong, working in another road in the same old way, does not influence normal detection, the design plan of this dual-use function, not only have design-calculated and go flexibly, also further guaranteed reliability of operation.

This device can be applicable in various types of escalators and install and use, the functional character that has the utility model equally and had.

The utlity model has simple in structure, volume is little, speed of response is fast, energy consumption is low, high reliability features, the contingency when avoiding the passenger to take advantage of staircase effectively guarantees personal safety.

The utility model only is described in detail with regard to a most preferred embodiment of the present invention; but can not be interpreted as restriction to other modes of the invention process; everyly further improve and similar or identical scheme on basis of the present invention, all being considered as is the scope that the utility model is asked for protection.

Claims

1, the anti-reverse rotation control apparatus of a kind of escalator, comprise motor, master controller and vital circuit, it is characterized in that: also include two the tunnel and detect loop (1) and (2), detect loop (1) and be connected the realization while respectively with motor, master controller and vital circuit or independently finish detection with (2); Wherein:

Detecting loop (1) and (2) includes respectively: direct supply, sensor, comparator circuit and relay.

2, the anti-reverse rotation control apparatus of escalator according to claim 1 is characterized in that: two sensor dresses in described detection loop (1) and (2) are solid in the both sides of motor, and remaining detection loop (1) and (2) is arranged in the control box of staircase bottom.