CN106241535B - A kind of control system and method for safe towed elevator - Google Patents
A kind of control system and method for safe towed elevator Download PDFInfo
- Publication number
- CN106241535B CN106241535B CN201610629327.4A CN201610629327A CN106241535B CN 106241535 B CN106241535 B CN 106241535B CN 201610629327 A CN201610629327 A CN 201610629327A CN 106241535 B CN106241535 B CN 106241535B
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- motor
- module
- main control
- safe
- outlet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0415—Driving gear ; Details thereof, e.g. seals actuated manually, e.g. additional safety system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
Abstract
The present invention relates to elevator technology fields more particularly to a kind of control system and method for safe towed elevator, the control system to include mainly：Absolute encoder, sensor assembly, motion monitoring module, electric life controller, main control motor control module, main control motor module, retarder, cog-wheel coupling, traction sheave, traction motor control module, traction motor module.Solve existing elevator controlling and use single signal, elevator faults occur frequently, and it is stuck on an elevator when the problem of can only waiting for rescue personnel.The present invention can realize running process of elevator monitoring in real time, elevator operation how and riding quality be system precognition, master control system breaks down, and passenger can save oneself, and no matter elevator runs or stop, and can ensure passenger safety.
Description
Technical field
The present invention relates to elevator technology field more particularly to a kind of control systems and method of safe towed elevator.
Background technology
With the development of economy, elevator has become indispensable convenient tool in people's life, at present the fortune of elevator
Row is mainly controlled using the single signal of electric life controller.There is no motion monitoring module in running process of elevator, if electric
Terraced control system breaks down, it may appear that elevator pendant ladder is rushed to summit and the accidents such as car slipping.After there is situation stuck on an elevator, trapped person is only
Personnel can be waited for rescue to overcome difficulties.Therefore it needs to design a kind of control system and method for safe towed elevator.
Invention content
Technical problem to be solved by the invention is to provide a kind of control systems and control method of safe towed elevator, deposit
Single in elevator control signals, no monitoring and controlling, trapped person can only wait for rescue overcoming difficulties for personnel, and towed elevator safely cannot
The problems such as guarantee.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of control system of safe towed elevator, it is described
System includes：
Absolute encoder, sensor assembly, calling set, motion monitoring module, electric life controller, main control motor control mould
Block, main control motor module, retarder, cog-wheel coupling, traction sheave, traction motor control module, traction motor module, car；
The absolute encoder, sensor assembly, calling set outlet respectively with the motion monitoring module and described
Electric life controller enters end and is connected, the motion monitoring module outlet couple successively main control motor control module, main control motor module,
The outlet of retarder, cog-wheel coupling and traction sheave, the retarder also couples traction motor control module, traction motor successively
Module and traction sheave, the motion monitoring module and electric life controller are connected with each other, the outlet of the electric life controller with it is described
The end that enters of main control motor control module is connected, and the traction sheave couples with car.
The beneficial effects of the invention are as follows：The present invention realizes how monitoring, elevator run and transport in real time in running process of elevator
Row quality is system precognition, is detected by sensor assembly and absolute coding, and motion monitoring module carries out motion monitoring,
Electric life controller carries out it master control, main control motor control module, main control motor module, retarder, cog-wheel coupling, traction
Wheel, traction motor control module, traction motor module provide possibility for car movement, and then the elevator normal operation realized is simultaneously
Monitoring in real time.
Further, further include safe operation module, safe motor module, electric control clutch, main control motor brake, drag
Draw electromotor brake and electric brake releasing device；
The safe motor module includes safe motor overcurrent protector, safe motor relay, safe motor and safety
Electromotor brake；
The electric life controller outlet couples safe operation module, safe motor module, electric control clutch and deceleration successively
Device, the main control motor brake enter end respectively with the outlet of main control motor module, the outlet of electric life controller, electric brake releasing
The outlet of device couples, and the outlet of the main control motor brake couples with the end that enters of the retarder, the traction motor system
The end that enters of dynamic device couples with the outlet of electric life controller, the outlet of electric brake releasing device respectively, the traction motor brake
The end that enters of outlet and the traction motor module couples, and the safe operation module outlet also enters end and electricity with electric control clutch
Dynamic brake-releasing gear enters end connection, and the outlet of the electric brake releasing device enters end and master control electricity with traction motor brake respectively
Brake enters end connection, and the end that enters of the safe motor brake couples with the outlet of safe operation module, safe motor
The outlet of brake and the end that enters of safe motor connect.
Safe operation module rear end couples safe motor overcurrent protector, safe motor relay, safety electricity successively
Machine.
Advantageous effect using above-mentioned further scheme is：When there is situation stuck on an elevator, trapped person does not have to decoct waiting
Rescue personnel can just be rescued, and trapped person can voluntarily start security operating mode, and a kind of mode is using electrodynamic type, electronic pine
Brake gear unclamps traction motor brake and main control motor brake, while electric control clutch and retarder unicom, safe motor
Module is run, and trapped person is saved, and a kind of mode is hand, and when elevator loses power supply, rescue personnel can be manual outside car
Operation, unclamps all brakes manually, then connects the manual actuation interface of safe motor, it can be achieved that manual actuation makes under car
It puts to nearest stop, and then rescues trapped person.No matter this further scheme elevator power-off or having electricity, can quickly rescue by
Oppressive member, reduces the occurrence probability of second accident, and when especially having electricity, trapped person saves oneself, and is more the reduction of second accident
Occurrence probability.
Further, the retarder is self-locking type speed reducer, including worm and worm wheel, the main control motor brake
Outlet, the outlet of the electric control clutch are to enter end with the worm screw in the self-locking type speed reducer to couple, and the worm screw goes out
Connection worm gear in end enters end, the cog-wheel coupling enter end connection is worm gear outlet in the self-locking type speed reducer.
Advantageous effect using above-mentioned further scheme is：The retarder of traction sheave front end connection carries worm gear, worm screw, by
In it with self-locking function, thus traction sheave inverse cannot pass work(, and car will not be moved by the negative direction of former traffic direction, be reduced
Trapped person panic mood, safety higher of elevator because of the movement repeatedly of car when stranded.
Further, further include signal generator, the signal generator enter end connection is that the self-locking type slows down
Worm screw in device enters end, and the entering to hold of the outlet of the signal generator and the traction motor control module couples.
Advantageous effect using above-mentioned further scheme is：Signal is generated by signal generator, traction motor controls mould
Block handles above-mentioned signal, and then controls traction motor, to realize the normal operation of towed elevator and may subsequently go out
The possibility solved the problems, such as is provided when existing elevator accident.
Further, further include power braking resistor, the retarder is non-self-locking type speed reducer, the main control motor mould
Block includes main control motor, and the main control motor is switched reluctance machines or servo motor；
The outlet of the switched reluctance machines or servo motor couple the power braking resistor enter end.
Advantageous effect using above-mentioned further scheme is：Switched reluctance machines or servo motor as main control motor from
It is utilized by characteristic, there is real-time braking function, be the dual fail-safe to main control motor brake, reduced possible car and shake
It is dynamic；Power braking resistor makes speed be reduced to safe speed for consuming the electricity that switched reluctance machines or servo motor are sent out
Degree ensures passenger survival safety.
Further, further include signal generator, the end that enters of the signal generator joins with the non-self-lock-ing type speed reducer
It connects, the outlet of the signal generator couples with the end that enters of the traction motor control module.
Advantageous effect using above-mentioned further scheme is：Signal is generated by signal generator, traction motor controls mould
Block handles above-mentioned signal, and then controls traction motor, to realize the normal operation of towed elevator and may subsequently go out
The possibility solved the problems, such as is provided when existing elevator accident.
Further, further include manual brake release and manual actuation interface, the manual brake release and electric brake releasing
Device couples, and the outlet of the manual actuation interface couples with the end that enters of safe motor module.
Advantageous effect using above-mentioned further scheme is：When elevator out of power still can by manual brake release and
Manual actuation interface connects, and controls elevator, saves trapped person.
Further, the sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor,
And it is installed on each stop.
Advantageous effect using above-mentioned further scheme is：Sensor be mounted on each layer, to each layer of state all into
Row detection, monitoring car slows down and whether when flat bed runs according to correct procedure, the fortuitous event that each is likely to occur from
Source is monitored, and then realizes that monitoring provides comprehensive, real-time information in real time for motion monitoring module.
Further, the main control motor module includes main control motor overcurrent protector, main control motor relay and master control
Motor；The traction motor module includes traction motor overcurrent protector, traction motor relay and traction motor.
Main control motor overcurrent protector front end is main control motor control module, and its rear end is sequentially connected main control motor relay
Device, main control motor, main control motor brake；Traction motor overcurrent protector front end connects traction motor control module, its rear end
It is sequentially connected traction motor relay, traction motor, traction sheave.
Advantageous effect using above-mentioned further scheme is：When main control motor brake, traction motor brake, safety electricity
When the equal failure locking of brake, if electric life controller continues to control elevator operation, traction motor, main control motor, safety electricity
Chance, since each motor has overcurrent protector, can make elevator out of service, and open elevator because overload causes electric current excessive,
The safety that ensure that passenger provides guarantee for the safe operation of traction motor.
Further, the input terminal of the cog-wheel coupling has fixed sideshake with output end, keeps contactless state, sideshake
Angle is α, and the cog-wheel coupling includes tooth form, and tooth form is in position in side clearance α.
Advantageous effect using above-mentioned further scheme is：When worm gear and asynchronous traction sheave generation phase, gap detection
The phase of timely adjustment signal generator is made worm gear keep correct position with traction sheave by system.Since cog-wheel coupling is normal
It is not engaged when work, and is held in position in tooth form, therefore, main control motor, worm gear, worm reducer are light condition.Therefore
And it realizes the normal operation of towed elevator and provides the possibility solved the problems, such as when being subsequently likely to occur elevator accident.
The present invention also provides a kind of method, a kind of method of the control system of safe towed elevator includes the following steps：
Calling set generates call signal, and is sent respectively to electric life controller and motion monitoring module；
Electric life controller generates motion control program according to call signal, and the motion control program is sent respectively to
Motion monitoring module and main control motor control module；
Motion monitoring module judges whether the motion control program matches with the movement of calling；
If matching, then electric life controller sends execution signal and gives main control motor control module, main control motor control mould
Block controls main control motor module and executes the motion control program；
If not matching that, then calling is invalid and removes the motion control program of generation.
The beneficial effects of the invention are as follows：The present invention realizes how monitoring, elevator run and transport in real time in running process of elevator
Row quality is system precognition, carries out motion monitoring by motion monitoring module, electric life controller carries out master control, master control to it
Motor control module receives the signal that electric life controller is sent out and main control motor module is notified to execute, to which the elevator realized is normal
Operation monitoring in real time simultaneously.
Step further includes speed and the position of absolute encoder detection car, and detection information is sent respectively to elevator control
Device and motion monitoring module processed；
Motion monitoring module judge car movement and position whether in the allowable range of the motion control program；
If it is, electric life controller does not send a signal to main control motor control module, main control motor control module continues
It controls main control motor module and executes the motion control program；
Otherwise electric life controller sends a signal to main control motor control module, and main control motor control module adjusts main control motor
Speed.
Advantageous effect using above-mentioned further scheme is：Absolute encoder detect always car speed and position whether
Within its program limit, if incorrect, control information is sent out to electric life controller, electric life controller, main control motor control
Module, main control motor module correct it.This further scheme provides the monitoring of a towed elevator and adjusts in due course
Method.
Whether step runs when further including sensor assembly monitoring car deceleration and flat bed according to the motion control program,
And the information of generation is sent respectively to electric life controller and motion monitoring module；
If car normal operation is sent to the monitoring information of motion monitoring module and electric life controller normal operation；
If operation is abnormal, it is sent to the monitoring information of motion monitoring module and electric life controller operation exception, electricity
Terraced controller takes measures.
Advantageous effect using above-mentioned further scheme is：Sensor assembly detects car deceleration always and whether flat bed is pressed
Correct procedure executes, if incorrect, sends a message to electric life controller, electric life controller, main control motor control module, master control
Motor module corrects it.This further scheme provides the monitoring of a towed elevator and in due course method of adjustment.
Description of the drawings
Fig. 1 is that the present invention is a kind of schematic diagram of the first embodiment of the control system of safe towed elevator；
Fig. 2 is that the present invention is a kind of schematic diagram of the second embodiment of the control system of safe towed elevator；
The operation that Fig. 3 is the present invention when being elevator accident in a kind of second embodiment of the control system of safe towed elevator
Schematic diagram；
Fig. 4 is a kind of method schematic diagram of the control system of safe towed elevator of the present invention；
Fig. 5 is a kind of detects schematic diagram of the method for the control system of safe towed elevator of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1, upper deceleration sensor, 2, level position sensor, 3, lower deceleration sensor, 4 absolute encoders, 5, calling set,
6, motion monitoring module, 7, main control motor control module, 8, main control motor relay, 9, main control motor overcurrent protector, 10, main
Control motor, 11, main control motor brake, 12, worm screw, 13, worm gear, 14, electric control clutch, 15, manual actuation interface, 16, peace
Full motor, 17, safe motor relay, 18, safe motor overcurrent protector, 19, signal generator, 20, cog-wheel coupling,
21, traction sheave, 22, car, 23, electric life controller, 24, safe operation module, 25, electric brake releasing device, 26, declutch dress manually
It sets, 27, traction motor brake, 28, traction motor control module, 29, traction motor relay, 30, traction motor overcurrent protects
Protect device, 31, traction motor, 32, safe motor brake, 33, power braking resistor, 34, non-self-lock-ing type speed reducer.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Electric life controller is mounted on computer room, and main control motor is fixed on well headroom, and traction sheave is mounted on the machine of well headroom
On frame, traction motor is fixed on well headroom.
As shown in Figure 1, 2：A kind of control system of safe towed elevator, including absolute encoder, sensor assembly, calling
Device, electric life controller, main control motor control module, main control motor module, retarder, cog-wheel coupling, drags at motion monitoring module
Running wheel, traction motor control module, traction motor module, car.
The absolute encoder, sensor assembly, calling set outlet respectively with the motion monitoring module and described
Electric life controller enters end and is connected, the motion monitoring module outlet couple successively main control motor control module, main control motor module,
The outlet of retarder, cog-wheel coupling and traction sheave, the retarder also couples traction motor control module, traction motor successively
Module and traction sheave, the motion monitoring module and electric life controller are connected with each other, the outlet of the electric life controller with it is described
The end that enters of main control motor control module is connected, and the traction sheave couples with car.
Further include safe operation module, safe motor module, electric control clutch, main control motor brake, traction motor system
Dynamic device and electric brake releasing device, the safe motor module include safe motor overcurrent protector, safe motor relay, safety
Motor and safe motor brake.
The electric life controller outlet couples safe operation module, safe motor module, electric control clutch and deceleration successively
Device, the main control motor brake enter end respectively with the outlet of main control motor module, the outlet of electric life controller, electric brake releasing
The outlet of device couples, and the outlet of the main control motor brake couples with the end that enters of the retarder, the traction motor system
The end that enters of dynamic device couples with the outlet of electric life controller, the outlet of electric brake releasing device respectively, the traction motor brake
The end that enters of outlet and the traction motor module couples, and the safe operation module outlet also enters end and electricity with electric control clutch
Dynamic brake-releasing gear enters end connection, and the outlet of the electric brake releasing device enters end and master control electricity with traction motor brake respectively
Brake enters end connection, and the end that enters of the safe motor brake couples with the outlet of safe operation module, safe motor
The outlet of brake and the end that enters of safe motor connect.
The effect of said program is：Running process of elevator realizes monitoring in real time, and how elevator runs and riding quality is to be
System precognition, when there is situation stuck on an elevator, trapped person can just be rescued without decocting the personnel of waiting for rescue, and trapped person can be certainly
Row starts security operating mode, and a kind of mode is using electrodynamic type, and a kind of mode is hand, no matter said program elevator powers off
Still there is electricity, can quickly rescue trapped person, reduce the occurrence probability of second accident, when especially having electricity, trapped person
It saves oneself, is more the reduction of the occurrence probability of second accident.
Further include manual brake release and manual actuation interface, the manual brake release couples with electric brake releasing device,
The outlet of the manual actuation interface couples with the end that enters of safe motor module.
The outer rescue personnel of car is manually operable when elevator loses power supply, and the rescue personnel outside car unclamps the ownership manually
Dynamic device (including main control motor brake, traction motor brake, safe motor brake), connects the manual actuation of safe motor
For interface, it can be achieved that manual actuation makes car transfer to nearest stop, control elevator saves trapped person.
Main control motor module includes main control motor overcurrent protector, main control motor relay and main control motor；Traction motor
Module includes traction motor overcurrent protector, traction motor relay and traction motor；Safe motor module includes safe motor
Overcurrent protector, safe motor relay, safe motor and safe motor brake.When main control motor brake, traction motor
When the equal failure locking of brake, safe motor brake, if electric life controller continues to control elevator operation, traction motor, master
Motor, safe motor are controlled because overload causes electric current excessive, since each motor has overcurrent protector, keeps elevator out of service, and
Elevator door is opened, the safety of passenger is ensure that, guarantee is provided for the safe operation of elevator.
Embodiment one is illustrated in conjunction with attached drawing 1, attached drawing 4, attached drawing 5：
As described in figures 1 and 5, when calling elevator, calling set generates call signal and is sent respectively to electric life controller and fortune
Dynamic monitoring modular.Electric life controller generates motion control program according to call demand, which is separately sent to transport
Dynamic monitoring modular and main control motor control module, when motion monitoring module judges the motion control program and calling motion match
When, electric life controller sends execution signal can execute the program to main control motor control module.Main control motor control module will
The program is executed, and directly drives main control motor after amplifying, main control motor drives worm screw, worm drive worm gear, worm-gear driven
Traction sheave.
When motion monitoring module judges that the program is mismatched with calling movement, this calling is invalid and removes the program,
Waiting for Call.
As shown in Figure 1, the retarder is self-locking type speed reducer, including worm and worm wheel, the main control motor brake
Outlet, the outlet of the electric control clutch be with the worm screw in the self-locking type speed reducer enter end couple, the worm screw
Outlet couples the end that enters of worm gear, the cog-wheel coupling enter end connection is worm gear outlet in the self-locking type speed reducer.
The retarder of traction sheave front end connection is with worm gear, worm screw, and since it is with self-locking function, thus traction sheave cannot
Inverse to pass work(, car will not be moved by the negative direction of former traffic direction, reduce trapped person when stranded because of the anti-of car
The panic mood of multiple movement and generation, the safety higher of elevator.
Safety towed elevator control system further include signal generator, the signal generator enter end connection be institute
The end that enters of the worm screw in self-locking type speed reducer is stated, the outlet of the signal generator enters end with the traction motor control module
Connection.
Main control motor control module generates the AC frequency conversion with self-locking type speed reducer (with worm gear, worm screw) reduction ratio multiple
Signal, the signal is by processing control main control motor.Main control motor movement drives signal generator to generate traction and controls signal, drags
Draw control signal and control traction motor by traction motor control module, to realize the normal operation of towed elevator and subsequently may be used
The possibility solved the problems, such as is provided when elevator accident can occur.
As shown in Figure 1, main control motor movement, which drives signal generator to generate traction, controls signal, the signal is using traction
Traction motor is controlled after motor control module operation amplifier, traction motor is rigidly connected with traction sheave.Worm gear passes through tooth form shaft coupling
Device does not directly drive traction sheave, and input terminal and the output end of cog-wheel coupling keep contactless state, tooth form to be in side clearance α
Middle position, i.e. worm gear keep contactless state with traction sheave, and when worm gear and asynchronous traction sheave generation phase, clearance detecting system will
The phase of adjustment signal generator in time, makes worm gear keep correct position with traction sheave.When being worked normally due to cog-wheel coupling
It does not engage, and is held in position in tooth form, therefore, main control motor, worm gear, worm reducer are light condition.So realizing
The normal operation of towed elevator and follow-up the possibility solved the problems, such as is provided when being likely to occur elevator accident.
As shown in figure 4, car and hoistway position absolute encoder are set in system, and in car operational process, absolute coding
Device detects movement and the position of car always, and detection information is sent respectively to electric life controller and motion monitoring module；Fortune
Dynamic monitoring modular judge car movement and position whether in the allowable range of the motion control program；If it is, electric
Terraced controller does not send a signal to main control motor control module, and main control motor control module continues to control the execution of main control motor module
The motion control program；Otherwise electric life controller sends a signal to main control motor control module, main control motor control module tune
Whole main control motor speed.The method that this scheme provides a kind of monitoring of safe towed elevator control system and adjusts in due course.
Sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor, and is installed on each
Stop.Whether sensor assembly monitors car and slows down and run according to the motion control program when flat bed, and by the letter of generation
Breath is sent respectively to electric life controller and motion monitoring module；If car normal operation, be sent to motion monitoring module and
The monitoring information of electric life controller normal operation；If operation is abnormal, it is sent to motion monitoring module and electric life controller
The monitoring information of operation exception, electric life controller take measures.This scheme provides a kind of safe towed elevator control system
The method for monitoring and adjusting in due course.
If any deceleration sensor, level position sensor break down, when absolute encoder can be by lift car leveling
Movement and location information feed back to motion monitoring module and electric life controller；If absolute encoder breaks down, any deceleration passes
Movement and location information when sensor, level position sensor also can be by lift car levelings feed back to motion monitoring module and elevator control
Device processed.The present invention realizes monitoring in real time in running process of elevator, and how elevator runs and riding quality is system precognition, passes through
Sensor assembly and absolute coding are detected, and motion monitoring module carries out motion monitoring, and electric life controller carries out master control to it
System, main control motor control module, retarder, cog-wheel coupling, traction sheave, traction motor control module, are draged at main control motor module
Draw motor module and provides possibility, and then the elevator normal operation realized monitoring in real time simultaneously for car movement.
Electric control clutch disconnects when normal operation, and safe motor does not work, and controls below the safe towed elevator of the present invention
Several situations when system breaks down are analyzed：
1, when master control system breaks down, main control motor, traction motor does not work.Due to self-locking type speed reducer (band
Have worm gear, worm screw) there is self-locking function, car is by stop in hoistway.At this point, passenger can pacify in car operational case panel operation
Full operational mode, electric life controller send out instruction and start safe operation formula.System can start electric brake releasing device and unclamp master control electricity
Brake, traction motor brake, safe motor brake.Electric control clutch is set to work, safe motor is started to work, driving
Self-locking type speed reducer (with worm gear, worm screw), self-locking type speed reducer drives traction sheave, and car is made to transfer to nearest stop.
2, when normal operation, if traction motor can not be braked.The worm gear of main control motor driving at this time can stop traction sheave
It is dynamic, and traction sheave is made to rotate therewith, car rests in respective storey, and main control motor is out of service, at this time self-locking type speed reducer (band
Have worm gear, worm screw) it is in self-locking state, traction sheave is braked.Passenger walks out elevator, and elevator door is closed, and master control system can make electricity
Ladder is out of service, and calling set shows elevator faults.
3, when normal operation, main control motor presses signal normal operation, if abnormal, master control at this time occurs in traction motor control
Traction sheave stop, electric life controller can in time be cut off the control of traction motor, self-locking type speed reducer by motor-driven worm gear
(with worm gear, worm screw) driving traction sheave rotation, car rest in respective storey, and main control motor is out of service, and self-locking type slows down
Device is in self-locking state (with worm gear, worm screw), and traction sheave is braked.Passenger walks out elevator, and elevator door is closed, master control system meeting
Keep elevator out of service, calling set shows elevator faults.
4, when normal operation, if main control motor, traction motor are run by normal procedure, but brake can not be braked,
Absolute encoder can move car and position feedback is to motion monitoring module and electric life controller, and motion monitoring module is by contrast
After feed back to electric life controller, electric life controller keeps main control motor out of service, due to self-locking type speed reducer (with worm gear, snail
Bar) there are self-locking function, car to be locked in hoistway.Passenger need to only operate the security operating mode of car manipulation case panel, electricity
Terraced controller sends out instruction and starts safe operation formula.System can start electric brake releasing device and unclamp main control motor brake, traction
Electromotor brake, safe motor brake.Electric control clutch is set to work, safe motor is started to work, and self-locking type speed reducer is driven
(with worm gear, worm screw), self-locking type speed reducer drives traction sheave, and car is made to transfer to nearest stop.Elevator door is opened, and passenger walks
Go out elevator, elevator door is closed, and master control system can make elevator out of service, and calling set shows elevator faults.
5, when stop is stopped, traction motor brake breaks down, at this time self-locking type speed reducer (with worm gear, worm screw)
In self-locking state, traction sheave is braked, and car is by firm lock in stop.Master control system can be such that elevator door opens, and inform
Passenger walks out elevator.Passenger walks out car, and elevator door is closed, and master control system can make elevator out of service, and calling set shows elevator
Failure.
6, falling ladder in elevator stall or rush to summit has 2 kinds of situations：
6.1, for elevator by safety tongs stop, electric life controller can control traction motor power-off, traction machine brake after stall
Braking；Main control motor powers off, main control motor brake；Due to there is self-locking type speed reducer to have certainly (with worm gear, worm screw)
Lock function, elevator is even more safe is locked on guide rail at this time.Passenger need to only operate the safe operation mould of car manipulation case panel
Formula, electric life controller send out instruction and start safe operation formula.System can start electric brake releasing device unclamp main control motor brake,
Traction motor brake, safe motor brake.Electric control clutch is set to work, safe motor is started to work, and driving self-locking type subtracts
Fast device (with worm gear, worm screw), self-locking type speed reducer drives traction sheave, and car is made to transfer to nearest stop.Elevator door is opened, and is multiplied
Visitor walks out elevator, and elevator door is closed, and master control system can make elevator out of service, and calling set shows elevator faults.
If 6.2 main control motor control modules break down, since the signal of traction motor control module processing is by master control
The operation of motor generates, therefore car in the drive of main control motor may go down to rush to summit or fall bottom.Due to having in system absolutely
Encoder and motion monitoring module.In this case, absolute encoder monitors that the riding quality of elevator is abnormal, can feed back to
Motion monitoring module, motion monitoring module can feed back to electric life controller after being compared with plug-in, and electric life controller can be sent out
Go out the instruction of stop car, main control motor can stop.Elevator is by stop in hoistway.Passenger need to only operate car manipulation case panel
Security operating mode, electric life controller send out instruction start safe operation formula.System can start electric brake releasing device and unclamp master
Control electromotor brake, traction motor brake, safe motor brake.Electric control clutch is set to work, safe motor is started to work,
Self-locking type speed reducer, self-locking type speed reducer is driven to drive traction sheave, car is made to transfer to nearest stop.Elevator door is opened, passenger
Elevator is walked out, elevator door is closed, and master control system can make elevator out of service, and calling set shows elevator faults.
Embodiment two is illustrated in conjunction with attached drawing 2, attached drawing 3, attached drawing 4, attached drawing 5：
As shown in figures 2 and 5, when calling elevator, calling set generates call signal and is sent respectively to electric life controller and fortune
Dynamic monitoring modular.Electric life controller generates motion control program according to call demand, which is separately sent to transport
Dynamic monitoring modular and main control motor control module, when motion monitoring module judges the motion control program and calling motion match
When, electric life controller sends execution signal can execute the program to main control motor control module.Main control motor control module will
The program is executed, and directly drives main control motor after amplifying, main control motor drives worm screw, worm drive worm gear, worm-gear driven
Traction sheave.
When motion monitoring module judges that the program is mismatched with calling movement, this calling is invalid and removes the program,
Waiting for Call.
As shown in Fig. 2, a kind of safe towed elevator control system further includes power braking resistor, the retarder right and wrong
Self-locking type speed reducer, the main control motor module includes main control motor, and the main control motor is switched reluctance machines or servo
Motor；The outlet of the switched reluctance machines or servo motor couple the power braking resistor enter end.
The application advantage of main control motor (i.e. switched reluctance machines or servo motor) here：Switched reluctance machines or servo
Electric motor starting torque is big (150~200 nominal torques), and starting current is small (30% rated current)；It is easy to control, master control electricity
Function stop at any time has real-time braking function.Switched reluctance machines or servo motor are obtained as the free characteristic of main control motor
To utilize, there is real-time braking function, be the dual fail-safe to main control motor brake, reduce possible rock of car；Power system
Dynamic resistance makes speed be reduced to safe speed, ensures to multiply for consuming the electricity that switched reluctance machines or servo motor are sent out
Objective life security.
Safety towed elevator control system further include signal generator, the signal generator enter end with it is described it is non-from
Lock retarder enters end connection, and the outlet of the signal generator couples with the end that enters of the traction motor control module.
Main control motor control module generates the AC frequency conversion signal with non-self-lock-ing type speed reducer reduction ratio multiple, signal warp
Cross processing control main control motor.Main control motor movement drives signal generator to generate traction and controls signal, and traction controls signal warp
Traction motor control module control traction motor is crossed, to realize the normal operation of towed elevator and subsequently be likely to occur elevator thing
Therefore when the possibility that solves the problems, such as is provided.
As shown in Fig. 2, main control motor movement, which drives signal generator to generate traction, controls signal, the signal is using traction
Traction motor is controlled after motor control module operation amplifier, traction motor is rigidly connected with traction sheave.Non-self-lock-ing type speed reducer is defeated
Shaft does not directly drive traction sheave by cog-wheel coupling, and input terminal and the output end of cog-wheel coupling have fixed sideshake, protect
Contactless state is held, tooth form is in position in side clearance α, i.e. non-self-lock-ing type speed reducer keeps contactless state with traction sheave, when non-
When self-locking type speed reducer output shaft and asynchronous traction sheave generation phase, clearance detecting system will the timely phase for adjusting signal generator
Position makes non-self-lock-ing type speed reducer keep correct position with traction sheave.It is not engaged when being worked normally due to cog-wheel coupling, but
It is maintained at position in tooth form, therefore, main control motor, non-self-lock-ing type speed reducer are light condition.So realizing the normal of towed elevator
It runs and provides the possibility solved the problems, such as when being subsequently likely to occur elevator accident.
As shown in figure 4, car and hoistway position absolute encoder are set in system, and in car operational process, absolute coding
Device detects movement and the position of car always, and detection information is sent respectively to electric life controller and motion monitoring module；Fortune
Dynamic monitoring modular judge car movement and position whether in the allowable range of the motion control program；If it is, electric
Terraced controller does not send a signal to main control motor control module, and main control motor control module continues to control the execution of main control motor module
The motion control program；Otherwise electric life controller sends a signal to main control motor control module, main control motor control module tune
Whole main control motor speed.The method that this scheme provides a kind of monitoring of safe towed elevator control system and adjusts in due course.
Sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor, and is installed on each
Stop.Whether sensor assembly monitors car and slows down and run according to the motion control program when flat bed, and by the letter of generation
Breath is sent respectively to electric life controller and motion monitoring module；If car normal operation, be sent to motion monitoring module and
The monitoring information of electric life controller normal operation；If operation is abnormal, it is sent to motion monitoring module and electric life controller
The monitoring information of operation exception, electric life controller take measures.This scheme provides a kind of safe towed elevator control system
The method for monitoring and adjusting in due course.
If any deceleration sensor, level position sensor break down, when absolute encoder can be by lift car leveling
Movement and location information feed back to motion monitoring module and electric life controller；If absolute encoder breaks down, any deceleration passes
Movement and location information when sensor, level position sensor also can be by lift car levelings feed back to motion monitoring module and elevator control
Device processed.The present invention realizes monitoring in real time in running process of elevator, and how elevator runs and riding quality is system precognition, passes through
Sensor assembly and absolute coding are detected, and motion monitoring module carries out motion monitoring, and electric life controller carries out master control to it
System, main control motor control module, retarder, cog-wheel coupling, traction sheave, traction motor control module, are draged at main control motor module
Draw motor module and provides possibility, and then the elevator normal operation realized monitoring in real time simultaneously for car movement.
Electric control clutch disconnects when normal operation, and safe motor does not work, and breaks down below to elevator structure of the present invention
When several situation analysis：
1, when master control system breaks down, main control motor (switched reluctance machines or servo motor) can exist car stop
In hoistway.At this point, passenger can send out instruction in car operational case panel operation security operating mode, electric life controller starts safety
Operation type.System can start electric brake releasing device and unclamp main control motor brake, traction motor brake, safe motor braking
Device.Electric control clutch is set to work, safe motor is started to work, and non-self-lock-ing type speed reducer, the driving of non-self-lock-ing type speed reducer is driven to drag
Running wheel makes car transfer to nearest stop.
2, when normal operation, if traction motor can not be braked.Main control motor (switched reluctance machines or servo electricity at this time
Machine) the non-self-lock-ing type speed reducer of driving can be by traction sheave stop, and traction sheave is made to rotate therewith, and car rests in respective storey,
Main control motor (switched reluctance machines or servo motor) is out of service, and main control motor brake, traction sheave is also braked.Multiply
Visitor walks out elevator, and elevator door is closed, and master control system can make elevator out of service, and calling set shows elevator faults.
3, when normal operation, main control motor (switched reluctance machines or servo motor) presses signal normal operation, if traction
Motor control occurs abnormal, and the non-self-lock-ing type speed reducer of main control motor (switched reluctance machines or servo motor) driving at this time can will
Traction sheave stop, electric life controller can cut off the control of traction motor in time, and non-self-lock-ing type speed reducer drives traction sheave rotation, sedan-chair
Compartment rests in respective storey, and main control motor (switched reluctance machines or servo motor) is out of service, due to switched reluctance machines or
Servo motor has real-time braking function, therefore traction sheave is braked, and car is by stop.Passenger walks out elevator, and elevator door is closed,
Master control system can make elevator out of service, and calling set shows elevator faults.
4, when normal operation, if main control motor (switched reluctance machines or servo motor), traction motor press normal procedure
Operation, but brake can not be braked, and absolute encoder can move car and position feedback is to motion monitoring module and elevator
Controller, motion monitoring module feed back to electric life controller afterwards by contrast, and electric life controller makes main control motor (switched reluctance machines
Or servo motor) out of service, since there is real-time braking function, car to be locked in well for switched reluctance machines or servo motor
In road.At this point, passenger need to only press the security operating mode on car-operation panel, electric life controller sends out instruction and starts safety
Operation type.System can make electric control clutch work, and safe motor drives non-self-lock-ing type speed reducer, the driving of non-self-lock-ing type speed reducer to drag
Running wheel makes car transfer to nearest stop.Passenger walks out elevator, and elevator door is closed, and master control system can make elevator out of service, exhale
Calling organ shows elevator faults.
5, when stop is stopped, traction motor brake breaks down, switched reluctance machines or servo motor braking, traction
Wheel is braked, and car is by firm lock in stop.Master control system can be such that elevator door opens, and inform that passenger walks out elevator.Passenger
Car is walked out, elevator door is closed, and master control system can make elevator out of service, and calling set shows elevator faults.
6, when elevator overspeed falls ladder or rushes to summit, there are 3 kinds of situations：
6.1, after elevator safety gear locking, electric life controller can control traction motor power-off, traction motor brake；
Main control motor (switched reluctance machines or servo motor) does not work, main control motor brake；Elevator is even more safety at this time
It is locked on guide rail.Passenger need to only operate the security operating mode of car manipulation case panel, and electric life controller sends out instruction and starts
Safe operation formula.System can start electric brake releasing device and unclamp main control motor brake, traction motor brake, safe motor system
Dynamic device.Electric control clutch is set to work, safe motor is started to work, and non-self-lock-ing type speed reducer, the driving of non-self-lock-ing type speed reducer are driven
Traction sheave makes car transfer to nearest stop.Elevator door is opened, and passenger walks out elevator, and elevator door is closed, and master control system can make electricity
Ladder is out of service, and calling set shows elevator faults.
6.2, when elevator stall pendant is terraced or rushes to summit, safety tongs is simultaneously not operating, and traction sheave inverse can be driven at this time, as shown in figure 3,
Traction sheave drives cog-wheel coupling, cog-wheel coupling that non-self-lock-ing type speed reducer, non-self-lock-ing type speed reducer is driven to drive main control motor
(switched reluctance machines or servo motor) is terminated with power braking electricity after main control motor (switched reluctance machines or servo motor)
Resistance, it (is electricity by kinetic energy, potential energy that in inverse transmission, main control motor (switched reluctance machines or servo motor), which is generating state,
Can), the electricity that power braking resistor consumption main control motor (switched reluctance machines or servo motor) is sent out makes speed be reduced to peace
Full speed degree ensures passenger survival safety.When car being waited for drop to the bottom, elevator door is opened, and passenger walks out elevator, elevator door
It closes, master control system can make elevator out of service, and calling set shows elevator faults.
6.3, during the motion, if main control motor control module breaks down, at traction motor control module
The signal of reason is generated by the operation of main control motor (switched reluctance machines or servo motor), therefore car may be in main control motor
The drive of (switched reluctance machines or servo motor) goes down to rush to summit or falls bottom.Due to having absolute encoder and motion monitoring in system
Module.In this case, absolute encoder monitors that the riding quality of elevator is abnormal, can feed back to motion monitoring module, transport
Dynamic monitoring modular can feed back to electric life controller after being compared with plug-in, and electric life controller can send out the finger of stop car
It enables, main control motor (switched reluctance machines or servo motor) can stop.Elevator is by stop in hoistway.Passenger need to only operate car
The security operating mode of case panel is manipulated, electric life controller sends out instruction and starts safe operation formula.System can start electric brake releasing
Device unclamps main control motor brake, traction motor brake, safe motor brake.Electric control clutch is set to work, safety electricity
Machine is started to work, and non-self-lock-ing type speed reducer, non-self-lock-ing type speed reducer is driven to drive traction sheave, car is made to transfer to nearest stop.
Elevator door is opened, and passenger walks out elevator, and elevator door is closed, and master control system can make elevator out of service, and calling set shows elevator event
Barrier.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control system of safe towed elevator, which is characterized in that the system comprises：
Absolute encoder, sensor assembly, calling set, motion monitoring module, electric life controller, main control motor control module, master
Control motor module, retarder, cog-wheel coupling, traction sheave, traction motor control module, traction motor module, car；
The absolute encoder, sensor assembly, calling set outlet respectively with the motion monitoring module and the elevator
Controller enters end and is connected, and the motion monitoring module outlet couples main control motor control module, main control motor module, slows down successively
The outlet of device, cog-wheel coupling and traction sheave, the retarder also couples traction motor control module, traction motor module successively
And traction sheave, the motion monitoring module are connected with each other with electric life controller, the outlet of the electric life controller and the master control
The end that enters of motor control module is connected, and the traction sheave couples with car.
2. a kind of control system of safe towed elevator according to claim 1, which is characterized in that further include safe operation
Module, safe motor module, electric control clutch, main control motor brake, traction motor brake and electric brake releasing device；
The safe motor module includes safe motor overcurrent protector, safe motor relay, safe motor and safe motor
Brake；
The electric life controller outlet couples safe operation module, safe motor module, electric control clutch and retarder, institute successively
State main control motor brake enter end respectively with the outlet of main control motor module, the outlet of electric life controller, electric brake releasing device
Outlet connection, the entering to hold of the outlet of the main control motor brake and the retarder couple, the traction motor brake
Enter end couple respectively with the outlet of electric life controller, the outlet of electric brake releasing device, the outlet of the traction motor brake
With the traction motor module enter end couple, the safe operation module outlet also with electric control clutch enter hold and electronic pine
Brake gear enters end connection, and the outlet of the electric brake releasing device enters end and main control motor system with traction motor brake respectively
Dynamic device enters end connection, and the end that enters of the safe motor brake couples with the outlet of safe operation module, safe motor braking
The outlet of device and the end that enters of safe motor connect.
3. a kind of control system of safe towed elevator according to claim 2, which is characterized in that the retarder is certainly
Lock retarder, including worm and worm wheel, the outlet of the main control motor brake, the outlet of the electric control clutch be with
Worm screw in the self-locking type speed reducer enters end connection, and the outlet connection worm gear of the worm screw enters end, the cog-wheel coupling
Enter end connection is worm gear outlet in the self-locking type speed reducer.
4. a kind of control system of safe towed elevator according to claim 3, which is characterized in that further include signal
Device, the signal generator enter end connection is that worm screw in the self-locking type speed reducer enters end, the signal generator
The end that enters of outlet and the traction motor control module couple.
5. a kind of control system of safe towed elevator according to claim 2, which is characterized in that further include power braking
Resistance, the retarder are non-self-locking type speed reducers, and the main control motor module includes main control motor, and the main control motor is
Switched reluctance machines or servo motor；
The outlet of the switched reluctance machines or servo motor couple the power braking resistor enter end.
6. a kind of control system of safe towed elevator according to claim 5, which is characterized in that further include signal
The end that enters of device, the signal generator couples with the non-self-lock-ing type speed reducer, and the outlet of the signal generator is draged with described
That draws motor control module enters end connection.
7. a kind of control system of safe towed elevator according to claim 2, which is characterized in that further include declutching manually
Device and manual actuation interface, the manual brake release couple with electric brake releasing device, the outlet of the manual actuation interface
Couple with the end that enters of safe motor module.
8. a kind of control system of safe towed elevator according to claim 1-7 any one, which is characterized in that described
Sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor, and is installed on each stop；
The main control motor module includes main control motor overcurrent protector, main control motor relay and main control motor, the traction
Motor module includes traction motor overcurrent protector, traction motor relay and traction motor；
The input terminal of the cog-wheel coupling has fixed sideshake with output end, keeps contactless state, sideshake angle is α, described
Cog-wheel coupling includes tooth form, and tooth form is in position in side clearance α.
9. a kind of using a kind of method of the control system of safe towed elevator described in claim 1, which is characterized in that including
Following steps：
Calling set generates call signal, and is sent respectively to electric life controller and motion monitoring module；
Electric life controller generates motion control program according to call signal, and the motion control program is sent respectively to move
Monitoring modular and main control motor control module；
Motion monitoring module judges whether the motion control program matches with the movement of calling；
If matching, then electric life controller sends execution signal and gives main control motor control module, main control motor control module control
Main control motor module processed executes the motion control program；
If not matching that, then calling is invalid and removes the motion control program of generation.
10. according to claim 9 a kind of using a kind of control system of safe towed elevator described in claim 1
Method, which is characterized in that further include speed and the position of absolute encoder detection car, and detection information is sent respectively to electricity
Terraced controller and motion monitoring module；
Motion monitoring module judge car movement and position whether in the allowable range of the motion control program；
If it is, electric life controller does not send a signal to main control motor control module, main control motor control module continues to control
Main control motor module executes the motion control program；
Otherwise electric life controller sends a signal to main control motor control module, and main control motor control module adjusts main control motor speed
Degree,
Whether run, and will be generated according to the motion control program when further including sensor assembly monitoring car deceleration and flat bed
Information be sent respectively to electric life controller and motion monitoring module；
If car normal operation is sent to the monitoring information of motion monitoring module and electric life controller normal operation；
If operation is abnormal, it is sent to the monitoring information of motion monitoring module and electric life controller operation exception, elevator control
Device processed takes measures.
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| CN207792432U (en) * | 2017-10-17 | 2018-08-31 | 陕西小溪机电科技有限公司 | A kind of drag device with manual rescue device |
| CN109896376A (en) * | 2017-12-08 | 2019-06-18 | 陕西小溪机电科技有限公司 | A kind of elevator device facilitating passenger self-rescue |
| CN108249246A (en) * | 2018-03-26 | 2018-07-06 | 上海亨克电梯有限公司 | A kind of elevator rescue system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1953926A (en) * | 2005-03-31 | 2007-04-25 | 三菱电机株式会社 | Elevator device |
| CN101765557A (en) * | 2007-07-25 | 2010-06-30 | 三菱电机株式会社 | elevator |
| CN205953236U (en) * | 2016-08-03 | 2017-02-15 | 陕西小溪机电科技有限公司 | Safe traction elevator's control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011195270A (en) * | 2010-03-19 | 2011-10-06 | Toshiba Elevator Co Ltd | Brake release device of elevator |
| JP2013199348A (en) * | 2012-03-26 | 2013-10-03 | Mitsubishi Hitachi Home Elevator Corp | Emergency operation device for winding drum type elevator |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1953926A (en) * | 2005-03-31 | 2007-04-25 | 三菱电机株式会社 | Elevator device |
| CN101765557A (en) * | 2007-07-25 | 2010-06-30 | 三菱电机株式会社 | elevator |
| CN205953236U (en) * | 2016-08-03 | 2017-02-15 | 陕西小溪机电科技有限公司 | Safe traction elevator's control system |
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