CN101460384B

CN101460384B - Elevator controller

Info

Publication number: CN101460384B
Application number: CN2006800549188A
Authority: CN
Inventors: 天野雅章; 毛利一成
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2006-11-21
Filing date: 2006-11-21
Publication date: 2012-01-11
Anticipated expiration: 2026-11-21
Also published as: CN101460384A; KR20090014190A; EP2085348A4; EP2085348A1; KR100928118B1; WO2008062509A1; JP5015169B2; EP2085348B1; JPWO2008062509A1

Abstract

An elevator controller in which the controller body controls operation of a cage and monitors for abnormality of brake torque in a brake system which brakes running of the cage. When abnormality of brake torque is detected during cage stoppage, the controller body judges whether the elevator is operating in a disaster control mode or not. If the elevator is operating in the disaster control mode, door-open is permitted, and if the elevator is operating in a normal mode, door-open is blocked.

Description

Elevator control gear

Technical field

The present invention relates to have the elevator control gear that the supervision lock torque has N/R function.

Background technology

In elevator control gear in the past, when detecting braking instruction, when utilizing speed detector to detect the electrical motor rotation; Being judged to be brake gear produces unusual; Utilize electrical motor to replenish lock torque, make car terminad floor running (for example, with reference to patent documentation 1) simultaneously.

Patent documentation 1: japanese kokai publication hei 1-247383 communique

But, in above-mentioned elevator control gear in the past, when brake gear is unusual, do not have fully to consider whether can carry out the judgement of elevator door opening-closing.And, do not have to consider when disasters such as fire and earthquake, to detect under the unusual situation of brake gear to carry out which kind of control yet.

Summary of the invention

The present invention proposes in order to address the above problem, and its purpose is, a kind of elevator control gear is provided, and what it can be to lock torque is unusual, when distinguishing when common with disaster, controls and carry out more suitable elevator.

Elevator control gear of the present invention has the control setup main body, the running of this control setup main body control car, and the lock torque of keeping watch on the brake gear be used for advancing of car braked simultaneously has no abnormal; When the control setup main body detected lock torque unusual when car stops, if controlled operation when judging whether to carry out disaster was controlled operation when carrying out disaster; Then allow to open the door; If turn round usually, then stop and open the door, when above-mentioned car stops, detecting the unusual of lock torque and be under the situation about turning round usually; Above-mentioned control setup main body moves above-mentioned car terminad floor; After above-mentioned car was moved to terminal floor, it is no abnormal that above-mentioned control setup main body reaffirms that lock torque has, and judges whether to allow shutter door.

Description of drawings

Fig. 1 is the constructional drawing of the lift appliance of expression embodiment 1 of the present invention.

Fig. 2 is the diagram of circuit of the action of car when stopping of expression lift appliance shown in Figure 1.

The specific embodiment

Below, with reference to description of drawings preferred implementation of the present invention.

Embodiment 1.

Fig. 1 is the constructional drawing of the lift appliance of expression embodiment 1 of the present invention.In the drawings, car 1 utilizes main rope 3 to be suspended in the hoistway with counterweight 2, goes up and down by the propulsive effort of towing machine 4.Towing machine 4 has: the driving rope sheave that is wound with main rope 3; Make the electrical motor that drives the rope sheave rotation; With the brake gear that the rotation that drives rope sheave is braked.

Control the running of car 1 by the elevator control gear that comprises control setup main body 5.That is, control the electrical motor and the brake gear of towing machine 4 by elevator control gear.Control setup main body 5 is connected with the central monitoring position 8 that is arranged on the distant place with common public line network 7 through aviso device 6.Just in case in lift appliance, taken place when unusual, unusual to central monitoring position 8 circulars from control setup main body 5 through aviso device 6 and common public line network 7.

Controlled operation unit 11, door opened and closed identifying unit 12, terminal floor the advance unit 13 and the unit 14 of transmitting messages when control setup main body 5 had operation control unit 9, lock torque inspection unit 10, disaster.

The operation of operation control unit 9 whole control lift appliances.Lock torque inspection unit 10 is through keeping watch on for example motor current value, and the lock torque of keeping watch on the brake gear of towing machine 4 has no abnormal.Controlled operation unit 11 detection signals during disaster according to disasters such as earthquake and fire, controlled operation when selecting to carry out disaster.When disaster in the controlled operation, car 1 moves and stops at this to nearest floor or the predefined floor of taking refuge.

Door opens and closes identifying unit 12 and stops at when stopping floor at car 1, judges whether allow to open the door.The terminal floor unit 13 of advancing makes car 1 advance to terminal floor and stops at this.Transmit messages unit 14 generates anomaly detection signals, exports to aviso device 6.

Controlled operation unit 11, door open and close identifying unit 12, terminal floor the advance unit 13 and the unit 14 of transmitting messages when wherein, realizing operation control unit 9, lock torque inspection unit 10, disaster through software.That is, control setup main body 5 utilizes the computing machine with arithmetic processing section (CPU), storage part (ROM, RAM and hard disk etc.) and signal input and output portion to constitute.That is, the function of control setup main body 5 is by computer realization.In storage part, store controlled operation unit 11 when being used to realize moving control unit 9, lock torque inspection unit 10, disaster, door and opening and closing the advance functional programs of the unit 13 and the unit 14 of transmitting messages of identifying unit 12, terminal floor.

Below, the action of control setup main body 5 is described.Fig. 2 is the diagram of circuit of the action of expression control setup main body 5 shown in Figure 1 when car stops., car 1 begins action shown in Figure 2 when reducing speed now.When car 1 slowed down, control setup main body 5 was kept watch on car 1 and whether has been got into the zone of can opening the door (door zone) (step S1).If car 1 has got into the zone of can opening the door, then forbid the action (step S2) of opening the door for the time being, keep watch on car 1 and whether stop (step S3).

If car 1 stops, then confirming lock torque have no abnormal, be that torque has or not decline (step S4).If lock torque is normal, then open car door and stop door (step S5), end process.And, when detecting lock torque unusual, controlled operation (step S6) when confirming whether to have selected disaster.And, when having selected disaster, during controlled operation, open car door and stop door (step S5), end process.

On the other hand, controlled operation when not selecting disaster, but when turning round usually makes car 1 terminad floor advance (step S7).At this moment, during greater than the load of counterweight 2 sides, be fit to make car 1 to move in the load of car 1 side to the lower end floor.In addition, during greater than the load of car 1 side, be fit to make car 1 to move in the load of counterweight 2 sides to the upper end floor.

When car 1 beginning terminad floor is advanced, keep watch on car 1 and whether got into the zone (step S8) of to open the door.If car 1 has got into the zone of can opening the door, then forbid the action (step S9) of opening the door for the time being, keep watch on car 1 and whether stop (step S10).

If car 1 stops, reaffirming that then lock torque has no abnormal (step S11).And, when continuing to detect lock torque unusual, reaffirm controlled operation when whether having selected disaster (step S12).

At this; Though recover under the normal situation and detect the unusual of lock torque once more at lock torque; But car 1 terminad floor advance during in when having selected disaster under the situation of controlled operation; Open car door and stop door, close car door and stop door after at the fixed time, close the illuminating lamp (step S13) in the car 1.Then, in the back (step S14) that gives the alarm to central monitoring position 8,, the maintainer continues to make car 1 fail to start (step S15) till removing, afterwards end process.But, be in the zone and having operated under the situation of the door open button in the car 1 of can opening the door at car 1, car door and stop door are opened the schedule time.

Relative therewith; Continuing to detect the unusual of lock torque and being under the situation of common running, continue to stop the action (step S16) of opening the door, to central monitoring position 8 give the alarm (step S17); Continuation is closed (step S18), end process afterwards in car 1 with the passenger.Under this state, do not respond the operation of the door open button in the car 1, till the maintainer overhauls and confirms safety.

In this elevator control gear, when when car 1 stops, detecting lock torque unusual, controlled operation when judging whether to carry out disaster; If controlled operation when carrying out disaster then allows to open the door, if turn round usually; Then stop and open the door; So evacuation is preferentially closed the passenger in car 1 preventing, and usually the time, keep the state of closing the door, can prevent that the passenger is at the unusual state of lock torque discrepancy car 1 down.That is, can be to lock torque unusual, when distinguishing when common, carry out more suitable elevator and control with disaster.

In addition, when car 1 stops, detecting the unusual of lock torque and be under the situation of common running, car 1 terminad floor is moved, thus the car 1 after can preventing to stop because lock torque move long distance unusually and optionally.

In addition, after car 1 terminad floor is moved, recover under the normal situation at lock torque; Allow to open the door; And give the alarm to central monitoring position 8, make the car fail to start simultaneously, so even only detecting under the unusual situation of a lock torque; The running of lift appliance is stopped, can implementing maintenance fast.

In addition, after car 1 terminad floor is moved, under the situation of lock torque persistent anomaly; Controlled operation when judging whether once more to carry out disaster; If controlled operation when carrying out disaster then allows to open the door, and gives the alarm to central monitoring position 8; Make car 1 fail to start simultaneously, thus also can tackle car 1 terminad floor move during in the situation of disaster takes place.

In addition; After car 1 terminad floor is moved, under the situation of lock torque persistent anomaly, controlled operation when judging whether once more to carry out disaster; If turn round usually; Then continue to stop and open the door, and give the alarm, so can prevent that the passenger is at the unusual state of lock torque discrepancy car 1 down to central monitoring position 8.

In addition; In above-mentioned example; Controlled operation unit 11, door open and close judging unit 12, the terminal floor function of the unit 13 and the unit 14 of transmitting messages of advancing when utilizing computing machine to carry out operation control unit 9, lock torque inspection unit 10, disaster, carry out but also can be divided into multiple devices.

In addition, the whole bag of tricks that the inspection method of lock torque can application of known, not special the qualification.

In addition, the present invention also can be applied to the lift appliance of the type in the machine room that towing machine and control panel be arranged on hoistway top, can also be applied to the lift appliance of inorganic house type.

Claims

1. elevator control gear; It has the control setup main body, the running of this control setup main body control car, and the lock torque of keeping watch on the brake gear be used for advancing of above-mentioned car braked simultaneously has no abnormal; Said elevator control gear is characterised in that

When above-mentioned control setup main body detects lock torque unusual when above-mentioned car stops, judging controlled operation when whether carrying out disaster,,, then stop and open the door if turn round usually if controlled operation when carrying out disaster then allows to open the door,

When above-mentioned car stops, detecting the unusual of lock torque and be under the situation about turning round usually, above-mentioned control setup main body moves above-mentioned car terminad floor,

After above-mentioned car was moved to terminal floor, it is no abnormal that above-mentioned control setup main body reaffirms that lock torque has, and judges whether to allow shutter door.

2. elevator control gear according to claim 1; It is characterized in that, after above-mentioned car terminad floor is moved, when lock torque reverts under the normal situation; Above-mentioned control setup main body allows to open the door and give the alarm to central monitoring position, makes above-mentioned car fail to start simultaneously.

3. elevator control gear according to claim 1 is characterized in that, after above-mentioned car terminad floor is moved; Under the unusual lasting situation of lock torque; Controlled operation when above-mentioned control setup main body judges whether to carry out disaster once more is if controlled operation when carrying out disaster then allows to open the door; And give the alarm to central monitoring position, make above-mentioned car fail to start simultaneously.

4. elevator control gear according to claim 1; It is characterized in that above-mentioned control setup main body is after moving above-mentioned car terminad floor, under the unusual lasting situation of lock torque; Controlled operation when judging whether once more to carry out disaster; If turn round usually, then continue to stop to open the door, and give the alarm to central monitoring position.