CN205953236U - Safe traction elevator's control system - Google Patents
Safe traction elevator's control system Download PDFInfo
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- CN205953236U CN205953236U CN201620834083.9U CN201620834083U CN205953236U CN 205953236 U CN205953236 U CN 205953236U CN 201620834083 U CN201620834083 U CN 201620834083U CN 205953236 U CN205953236 U CN 205953236U
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Abstract
The utility model relates to an elevator technical field especially relates to a safe traction elevator's control system, control system mainly includes: absolute encoder, sensor module, movement monitor module, elevator controller, master control motor control module, master control motor module, reduction gear, cog -wheel coupling, driving sheave, traction motor control module, traction motor module. The problem of current lift control adopts single signal, and the elevator goes wrong frequently, can only wait for first -aid staff when just being stranded the ladder is solved. The utility model discloses can realize real -time supervision to the elevator operation process, how elevator operation reaches the operation quality is that the system is prescient, and major control system breaks down, and the passenger can save oneself, and no matter the elevator moves is still berthhed, all can ensure passenger's safety.
Description
Technical field
The utility model is related to elevator technology field, the control system of more particularly, to a kind of safe towed elevator.
Background technology
With expanding economy, elevator has become as indispensable convenient tool in people's life, the fortune of current elevator
Row mainly to be 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, rushing to summit and the accident such as car slipping.After situation stuck on an elevator, trapped personnel is only
Personnel can be waited for rescue to overcome difficulties.It is thus desirable to designing a kind of control system of safe towed elevator and method.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of control system of safe towed elevator and controlling party
Method, it is single to there are elevator control signals, no Monitoring and Controlling, and trapped personnel can only wait for rescue overcoming difficulties of personnel, and towed elevator is pacified
Complete it cannot be guaranteed that the problems such as.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of control system of safe towed elevator,
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, decelerator, cog-wheel coupling, traction sheave, traction motor control module, traction motor module, car；
Described absolute encoder, sensor assembly, calling set go out end respectively with described motion monitoring module and described
Electric life controller enters end and is connected, described motion monitoring module go out end successively couple main control motor control module, main control motor module,
Decelerator, cog-wheel coupling and traction sheave, the end that goes out of described decelerator also couples traction motor control module, traction motor successively
Module and traction sheave, described motion monitoring module is connected with each other with electric life controller, described electric life controller go out end with described
The end that enters of main control motor control module is connected, and described traction sheave is coupled with car.
The beneficial effects of the utility model are：The utility model realizes real-time monitoring in running process of elevator, and elevator how
Run and riding quality is system precognition, detected by sensor assembly and absolute coding, motion monitoring module is carried out
Motion monitoring, electric life controller carries out master control, main control motor control module, main control motor module, decelerator, tooth-shaped linkage to it
Axial organ, traction sheave, traction motor control module, traction motor module are possible for car motion offer, and then the elevator realized is just
Often run real-time monitoring simultaneously.
Further, also include safe operation module, safe motor module, electric control clutch, main control motor brake, drag
Draw electromotor brake and electric brake releasing device；
Described safe motor module includes safe motor overcurrent protector, safe motor relay, safe motor and safety
Electromotor brake；
Described electric life controller goes out end and couples safe operation module, safe motor module, electric control clutch and deceleration successively
Device, described main control motor brake enter end respectively with main control motor module go out end, electric life controller go out end, electric brake releasing
The end that goes out of device couples, and the end that goes out of described main control motor brake is coupled with the end that enters of described decelerator, described traction motor system
Dynamic device enter end respectively with electric life controller go out end, electric brake releasing device go out end couple, described traction motor brake
Go out end to couple with the end that enters of described traction motor module, described safe operation module is gone out end and also held and electricity with entering of electric control clutch
The end that enters of dynamic brake-releasing gear connects, described electric brake releasing device go out end respectively with traction motor brake enter end and master control is electric
The end that enters of brake couples, and the end that enters of described safe motor brake is coupled with the end that goes out of safe operation module, safe motor
The end that goes out of brake is connected with the end that enters of safe motor.
Described safe operation module rear end couples safe motor overcurrent protector, safe motor relay, safety electricity successively
Machine.
Beneficial effect using above-mentioned further scheme is：When situation stuck on an elevator, trapped personnel is without decocting wait
Rescue personnel just can be rescued, and trapped personnel voluntarily can start security operating mode, and a kind of mode is to adopt electrodynamic type, electronic pine
Brake gear unclamps traction motor brake and main control motor brake, simultaneously electric control clutch and decelerator UNICOM, safe motor
Module is run, and trapped personnel is saved, and a kind of mode is hand, and when elevator loses power supply, the outer rescue personnel of car can be manual
Operation, unclamps all brakes manually, then connects the manual actuation interface of safe motor, and achievable manual actuation makes under car
Put to nearest stop, and then rescue trapped personnel.No matter this further scheme elevator power-off or have electricity, all can quickly rescue by
Oppressive member, decreases the occurrence probability of second accident, and when particularly having electricity, trapped personnel is saved oneself, and is more the reduction of second accident
Occurrence probability.
Further, described decelerator module is self-locking type speed reducer, including worm and worm wheel, described main control motor braking
Device go out end, described electric control clutch go out end be all with the worm screw in described self-locking type speed reducer enter end couple, described worm screw
The end that enters going out end connection worm gear, described cog-wheel coupling enter end connection is that worm gear in described self-locking type speed reducer goes out
End.
Beneficial effect using above-mentioned further scheme is：The decelerator that traction sheave front end connects carries worm gear, worm screw, by
In it, there is auto-lock function, thus traction sheave can not inverse be passed on Gong, car will not move by the opposite direction of former traffic direction, decreases
Trapped personnel panic mood because of the motion repeatedly of car when stranded, the security of elevator is higher.
Further, also include signal generator, described signal generator enter end connection is that described self-locking type slows down
Worm screw in device enter end, described signal generator go out end with described traction motor control module enter hold couple.
Beneficial effect using above-mentioned further scheme is：Signal is generated by signal generator, traction motor controls mould
Block is processed to above-mentioned signal, and then controls traction motor, thus realizing the normal operation of towed elevator and subsequently may going out
The possibility of solve problem is provided during existing elevator accident.
Further, also include power braking resistor, described decelerator module is non-self-locking type speed reducer, described master control electricity
Machine module includes main control motor, and described main control motor is switched reluctance machines or servomotor；
Described switched reluctance machines or servomotor go out that end couples described power braking resistor enter end.
Beneficial effect using above-mentioned further scheme is：Switched reluctance machines or servomotor as main control motor from
Utilized by characteristic, be there is real-time braking function, be the dual fail-safe to main control motor brake, reduce possible car and shake
Dynamic；Power braking resistor is used for consuming the electricity that switched reluctance machines or servomotor are sent, and makes speed be reduced to safe speed
Degree is it is ensured that passenger survival safety.
Further, also include signal generator, the end that enters of described signal generator is joined with described non-self-lock-ing type speed reducer
Connect, the end that goes out of described signal generator is coupled with the end that enters of described traction motor control module.
Beneficial effect using above-mentioned further scheme is：Signal is generated by signal generator, traction motor controls mould
Block is processed to above-mentioned signal, and then controls traction motor, thus realizing the normal operation of towed elevator and subsequently may going out
The possibility of solve problem is provided during existing elevator accident.
Further, manual brake release and manual actuation interface, described manual brake release and electric brake releasing are also included
Device couples, and the end that goes out of described manual actuation interface is coupled with the end that enters of safe motor module.
Beneficial effect using above-mentioned further scheme is：When elevator does not have electricity still can manually brake-releasing gear and
Manual actuation interface connects, and controls elevator, saves trapped personnel.
Further, described sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor,
And it is installed on each stop.
Beneficial effect using above-mentioned further scheme is：Sensor is arranged on each layer, and each layer of state is all entered
Row detection, whether monitoring car slows down and runs according to correct procedure during flat bed, the fortuitous event that each is likely to occur from
Source is monitored, and then realizes real-time monitoring for motion monitoring module and provide comprehensive, real-time information.
Further, described main control motor module includes main control motor overcurrent protector, main control motor relay and master control
Motor；Described 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.
Beneficial effect using above-mentioned further scheme is：When main control motor brake, traction motor brake, safety electricity
During brake equal fault locking, if electric life controller continues to control elevator to run, traction motor, main control motor, safety electricity
Chance leads to electric current excessive because of overload, because each motor has overcurrent protector, elevator can be made out of service, and open elevator,
Ensure that the safety of passenger, be that the safe operation of traction motor provides guarantee.
Further, the input of described gear coupling and output end have fixing sideshake, keep contactless state, sideshake
Angle is α, and described cog-wheel coupling includes profile of tooth, and profile of tooth is in side clearance α middle position.
Beneficial effect using above-mentioned further scheme is：When worm gear and traction sheave occur phase place asynchronous, gap detection
System, by the timely phase place adjusting signal generator, makes worm gear keep correct position with traction sheave.Because cog-wheel coupling is normal
Do not engage during work, and be held in profile of tooth middle position, therefore, main control motor, worm gear, worm reducer are Light Condition.Therefore
And realize the normal operation of towed elevator and be subsequently likely to occur the possibility that solve problem is provided during elevator accident.
Brief description
Fig. 1 is a kind of schematic diagram of the first embodiment of the control system of safe towed elevator for the utility model；
Fig. 2 is a kind of schematic diagram of the second embodiment of the control system of safe towed elevator for the utility model；
Fig. 3 is during elevator accident in a kind of second embodiment of the control system of safe towed elevator for the utility model
Operation schematic diagram；
Fig. 4 is a kind of method schematic diagram of the control system of safe towed elevator of the utility model；
Fig. 5 is a kind of detects schematic diagram of the method for control system of safe towed elevator of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, upper deceleration sensor, 2, level position sensor, 3, lower deceleration sensor, 4 absolute encoders, 5, calling set,
6th, 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,
21st, traction sheave, 22, car, 23, electric life controller, 24, safe operation module, 25, electric brake releasing device, 26, declutch dress manually
Put, 27, traction motor brake, 28, traction motor control module, 29, traction motor relay, 30, traction motor excessively stream protects
Shield device, 31, traction motor, 32, safe motor brake, 33, power braking resistor, 34, non-self-lock-ing type speed reducer.
Specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is served only for explaining this practicality
New, it is not intended to limit scope of the present utility model.
Electric life controller is arranged on machine room, and main control motor is fixed on well headroom, and traction sheave is arranged 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, motion monitoring module, electric life controller, main control motor control module, main control motor module, decelerator, cog-wheel coupling, drag
Running wheel, traction motor control module, traction motor module, car.
Described absolute encoder, sensor assembly, calling set go out end respectively with described motion monitoring module and described
Electric life controller enters end and is connected, described motion monitoring module go out end successively couple main control motor control module, main control motor module,
Decelerator, cog-wheel coupling and traction sheave, the end that goes out of described decelerator also couples traction motor control module, traction motor successively
Module and traction sheave, described motion monitoring module is connected with each other with electric life controller, described electric life controller go out end with described
The end that enters of main control motor control module is connected, and described traction sheave is coupled with car.
Also include safe operation module, safe motor module, electric control clutch, main control motor brake, traction motor system
Dynamic device and electric brake releasing device, described safe motor module includes safe motor overcurrent protector, safe motor relay, safety
Motor and safe motor brake.
Described electric life controller goes out end and couples safe operation module, safe motor module, electric control clutch and deceleration successively
Device, described main control motor brake enter end respectively with main control motor module go out end, electric life controller go out end, electric brake releasing
The end that goes out of device couples, and the end that goes out of described main control motor brake is coupled with the end that enters of described decelerator, described traction motor system
Dynamic device enter end respectively with electric life controller go out end, electric brake releasing device go out end couple, described traction motor brake
Go out end to couple with the end that enters of described traction motor module, described safe operation module is gone out end and also held and electricity with entering of electric control clutch
The end that enters of dynamic brake-releasing gear connects, described electric brake releasing device go out end respectively with traction motor brake enter end and master control is electric
The end that enters of brake couples, and the end that enters of described safe motor brake is coupled with the end that goes out of safe operation module, safe motor
The end that goes out of brake is connected with the end that enters of safe motor.
The effect of such scheme is：Running process of elevator realizes real-time monitoring, and how elevator runs and riding quality is to be
System precognition, when situation stuck on an elevator, trapped personnel just can be rescued without decocting the personnel of waiting for rescue, and trapped personnel can be certainly
Row starts security operating mode, and a kind of mode is to adopt electrodynamic type, and a kind of mode is hand, no matter such scheme elevator power-off
Still there is electricity, all can quickly rescue trapped personnel, decrease the occurrence probability of second accident, when particularly having electricity, trapped personnel
Save oneself, be more the reduction of the occurrence probability of second accident.
Also include manual brake release and manual actuation interface, described manual brake release is coupled with electric brake releasing device,
The end that goes out of described manual actuation interface is coupled with the end that enters of safe motor module.
Elevator loses the outer rescue personnel of car during power supply and is manually operable, 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
Interface, achievable manual actuation makes car transfer to nearest stop, controls elevator, saves trapped personnel.
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 brake, the equal fault locking of safe motor brake, if electric life controller continues to control elevator to run, traction motor, master
Control motor, safe motor lead to electric current excessive because of overload, because each motor has overcurrent protector, make elevator out of service, and
Open elevator door it is ensured that the safety of passenger, be that the safe operation of elevator provides guarantee.
In conjunction with accompanying drawing 1, accompanying drawing 4, accompanying drawing 5, embodiment one is illustrated：
As described in figures 1 and 5, when calling elevator, calling set produces call signal and is sent respectively to electric life controller and fortune
Dynamic monitoring modular.Electric life controller produces motion control program according to call demand, and this motion control program is separately sent to transport
Dynamic monitoring modular and main control motor control module, when motion monitoring module judges described motion control program and calling motion match
When, electric life controller sends execution signal and can execute this program to main control motor control module.Main control motor control module will
Execute this program, and directly drive 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 this program is mismatched with calling motion, this calling is invalid and removes this program,
Waiting for Call.
As shown in figure 1, described decelerator module is self-locking type speed reducer, including worm and worm wheel, described main control motor system
Dynamic device go out end, described electric control clutch go out end be all with the worm screw in described self-locking type speed reducer enter end couple, described snail
The end that enters going out end connection worm gear of bar, described cog-wheel coupling enter end connection is that worm gear in described self-locking type speed reducer goes out
End.
The decelerator that traction sheave front end connects carries worm gear, worm screw, and because it has auto-lock function, thus traction sheave can not
Against passing on Gong, car will not move by the opposite direction of former traffic direction, decrease trapped personnel anti-because of car when stranded
The panic mood moved again and produce, the security of elevator is higher.
The towed elevator control system of safety also includes signal generator, described signal generator enter end connection is institute
State the end that enters of worm screw in self-locking type speed reducer, described signal generator go out end and described traction motor control module enter end
Connection.
Main control motor control module produces the AC frequency conversion with self-locking type speed reducer (with worm gear, worm screw) speed reducing ratio multiple
Signal, this signal controls main control motor through processing.Main control motor motion drives signal generator to generate traction control signal, drags
Draw control signal and control traction motor through traction motor control module, thus realizing the normal operation of towed elevator and subsequently may be used
The possibility providing solve problem during elevator accident can occur.
As shown in figure 1, main control motor motion drives signal generator to generate traction control signal, this signal is again through traction
Control traction motor, traction motor is rigidly connected with traction sheave after motor control module operation amplifier.Worm gear passes through profile of tooth shaft coupling
Device does not directly drive traction sheave, and the input of cog-wheel coupling keeps contactless state with output end, and profile of tooth is in side clearance α
Middle position, i.e. worm gear and traction sheave holding contactless state, when worm gear and traction sheave occur phase place asynchronous, clearance detecting system will
Adjust the phase place of signal generator in time, make worm gear keep correct position with traction sheave.During due to cog-wheel coupling normal work
Do not engage, and be held in profile of tooth middle position, therefore, main control motor, worm gear, worm reducer are Light Condition.So realizing
The normal operation of towed elevator and the possibility that offer solve problem during elevator accident is subsequently provided.
As shown in figure 4, arranging car and hoistway position absolute encoder, during cage operation, absolute coding in system
Device detects motion and the position of car all the time, and detection information is sent respectively to electric life controller and motion monitoring module；Fortune
Whether dynamic monitoring modular judges the motion of car and position in the allowed band of described motion control program；If it is, 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
Described motion control program；Otherwise electric life controller sends a signal to main control motor control module, and main control motor control module is adjusted
Whole main control motor speed.This scheme provides a kind of monitoring of safe towed elevator control system the method in good time adjusting.
Sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor, and is installed on each
Stop.Whether run according to described motion control program when sensor assembly monitoring car deceleration and flat bed, and the letter that will produce
Breath is sent respectively to electric life controller and motion monitoring module；If cage operation is normal, be sent to motion monitoring module and
The monitoring information of electric life controller normal operation；If running abnormal, it is sent to motion monitoring module and electric life controller
The monitoring information of operation exception, electric life controller takes measures.This scheme provides a kind of safe towed elevator control system
Monitoring the method in good time adjusting.
If arbitrary deceleration sensor, level position sensor experiences failure, absolute encoder can by lift car leveling when
Motion and positional information feed back to motion monitoring module and electric life controller；As absolute encoder breaks down, arbitrary deceleration passes
Motion during lift car leveling and positional information also can be fed back to motion monitoring module and elevator control by sensor, level position sensor
Device processed.The utility model realizes real-time monitoring in running process of elevator, and how elevator runs and riding quality is system precognition,
Detected by sensor assembly and absolute coding, motion monitoring module carries out motion monitoring, electric life controller is carried out to it
Master control, main control motor control module, main control motor module, decelerator, cog-wheel coupling, traction sheave, traction motor control mould
Block, traction motor module are possible for car motion offer, and then the elevator realized normally runs real-time monitoring simultaneously.
During normal operation, electric control clutch disconnects, and safe motor does not work, the safe towed elevator to the utility model below
Several situations when control system breaks down are analyzed：
1st, when master control system breaks down, main control motor, traction motor does not all work.Due to self-locking type speed reducer (band
Have worm gear, worm screw) there is auto-lock function, car is by stop in hoistway.Now, passenger can pacify in car operational case panel operation
Row mode for the national games, electric life controller sends instruction and starts safe operation formula.System can start electric brake releasing device and unclamp master control electricity
Brake, traction motor brake, safe motor brake.So that electric control clutch is worked, safe motor is started working, drive
Self-locking type speed reducer (with worm gear, worm screw), self-locking type speed reducer drives traction sheave, so that car is transferred to nearest stop.
When the 2nd, normally running, if traction motor cannot be braked.Traction sheave can be stopped by the worm gear that now main control motor drives
Dynamic, and make traction sheave concomitant rotation, car rests in respective storey, and main control motor is out of service, now 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 cuts out, and master control system can make electricity
Ladder is out of service, and calling set shows elevator faults.
When the 3rd, normally running, main control motor is normally run by signal, if traction motor controls abnormal, now master control
Motor-driven worm gear can be by traction sheave stop, and electric life controller can cut off the control of traction motor, self-locking type speed reducer in time
(with worm gear, worm screw) drives traction sheave to rotate, and car rests in respective storey, and main control motor is out of service, and self-locking type slows down
Device (with worm gear, worm screw) is in self-locking state, and traction sheave is braked.Passenger walks out elevator, and elevator door cuts out, master control system meeting
Make elevator out of service, calling set shows elevator faults.
When the 4th, normally running, if main control motor, traction motor are pressed normal procedure and run, but brake all cannot be braked,
Car motion and position can be fed back to motion monitoring module and electric life controller by absolute encoder, and motion monitoring module is by contrast
After feed back to electric life controller, electric life controller makes main control motor out of service, because self-locking type speed reducer is (with worm gear, snail
Bar) there is auto-lock function, car is locked in hoistway.Passenger only need to operate car to manipulate the security operating mode of case panel, electricity
Terraced controller sends 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.So that electric control clutch is worked, safe motor is started working, drive self-locking type speed reducer
(with worm gear, worm screw), self-locking type speed reducer drives traction sheave, so that car is transferred to nearest stop.Elevator door is opened, and passenger walks
Go out elevator, elevator door cuts out, master control system can make elevator out of service, calling set shows elevator faults.
5th, when stop is stopped, traction motor brake breaks down, now self-locking type speed reducer (with worm gear, worm screw)
It is in self-locking state, traction sheave is braked, car is locked in stop by firm.Master control system can make elevator door open, and informs
Passenger walks out elevator.Passenger walks out car, and elevator door cuts out, and master control system can make elevator out of service, and calling set shows elevator
Fault.
6th, fall ladder in elevator stall or rush to summit and have 2 kinds of situations：
6.1st, after stall elevator by safety tongs stop, electric life controller can control traction motor power-off, traction machine brake
Braking；Main control motor power-off, main control motor brake；Due to there being self-locking type speed reducer (with worm gear, worm screw) to have certainly
Lock function, now even more safe being locked on guide rail of elevator.Passenger only need to operate car to manipulate the safe operation mould of case panel
Formula, electric life controller sends instruction and starts safe operation formula.System can start electric brake releasing device unclamp main control motor brake,
Traction motor brake, safe motor brake.So that electric control clutch is worked, safe motor is started working, drive self-locking type to subtract
Fast device (with worm gear, worm screw), self-locking type speed reducer drives traction sheave, so that car is transferred to nearest stop.Elevator door is opened, and takes advantage of
Visitor walks out elevator, and elevator door cuts out, 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, because the signal of traction motor control module process is by master control
The operation of motor produces, and therefore car may go down to rush to summit in the drive of main control motor or fall bottom.Due to having in system definitely
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 contrasting 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 only need to operate car manipulation case panel
Security operating mode, electric life controller send 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 made to work, safe motor is started working,
Drive self-locking type speed reducer, self-locking type speed reducer drives traction sheave, so that car is transferred to nearest stop.Elevator door is opened, passenger
Walk out elevator, elevator door cuts out, master control system can make elevator out of service, calling set shows elevator faults.
In conjunction with accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, embodiment two is illustrated：
As shown in figures 2 and 5, when calling elevator, calling set produces call signal and is sent respectively to electric life controller and fortune
Dynamic monitoring modular.Electric life controller produces motion control program according to call demand, and this motion control program is separately sent to transport
Dynamic monitoring modular and main control motor control module, when motion monitoring module judges described motion control program and calling motion match
When, electric life controller sends execution signal and can execute this program to main control motor control module.Main control motor control module will
Execute this program, and directly drive 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 this program is mismatched with calling motion, this calling is invalid and removes this program,
Waiting for Call.
As shown in Fig. 2 a kind of safe towed elevator control system also includes power braking resistor, described decelerator module
Non- self-locking type speed reducer, described main control motor module includes main control motor, described main control motor be switched reluctance machines or
Servomotor；Described switched reluctance machines or servomotor go out that end couples described power braking resistor enter end.
Main control motor (i.e. switched reluctance machines or servomotor) is in application advantage herein：Switched reluctance machines or servo
Electric motor starting torque is big (150～200 nominal torques), starting current little (30% rated current)；Easy to control, master control electricity
Function stop at any time, has real-time braking function.Switched reluctance machines or servomotor obtain 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 is used for consuming the electricity that switched reluctance machines or servomotor are sent, and makes speed be reduced to safe speed it is ensured that taking advantage of
Objective life security.
The towed elevator control system of safety also includes signal generator, described signal generator enter end with described non-from
The end that enters of lock decelerator couples, and the end that goes out of described signal generator is coupled with the end that enters of described traction motor control module.
Main control motor control module produces the AC frequency conversion signal with non-self-lock-ing type speed reducer speed reducing ratio multiple, this signal warp
Cross process and control main control motor.Main control motor motion drives signal generator to generate traction control signal, traction control signal warp
Cross traction motor control module and control traction motor, thus realizing the normal operation of towed elevator and being subsequently likely to occur elevator thing
Therefore when provide solve problem possibility.
As shown in Fig. 2 main control motor motion drives signal generator to generate traction control signal, this signal is again through traction
Control traction motor, traction motor is rigidly connected with traction sheave after motor control module operation amplifier.Non-self-lock-ing type speed reducer is defeated
Shaft does not directly drive traction sheave by cog-wheel coupling, and the input of cog-wheel coupling and output end have fixing sideshake, protect
Hold contactless state, profile of tooth is in side clearance α middle position, that is, non-self-lock-ing type speed reducer and traction sheave keep contactless state, when non-
When self-locking type speed reducer output shaft and traction sheave occur phase place asynchronous, clearance detecting system is adjusted the phase of signal generator in time
Position, makes non-self-lock-ing type speed reducer keep correct position with traction sheave.Do not engage during due to cog-wheel coupling normal work, but
It is maintained at profile of tooth middle position, therefore, main control motor, non-self-lock-ing type speed reducer are Light Condition.So realizing the normal of towed elevator
Run and be subsequently likely to occur the possibility that solve problem is provided during elevator accident.
As shown in figure 4, arranging car and hoistway position absolute encoder, during cage operation, absolute coding in system
Device detects motion and the position of car all the time, and detection information is sent respectively to electric life controller and motion monitoring module；Fortune
Whether dynamic monitoring modular judges the motion of car and position in the allowed band of described motion control program；If it is, 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
Described motion control program；Otherwise electric life controller sends a signal to main control motor control module, and main control motor control module is adjusted
Whole main control motor speed.This scheme provides a kind of monitoring of safe towed elevator control system the method in good time adjusting.
Sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor, and is installed on each
Stop.Whether run according to described motion control program when sensor assembly monitoring car deceleration and flat bed, and the letter that will produce
Breath is sent respectively to electric life controller and motion monitoring module；If cage operation is normal, be sent to motion monitoring module and
The monitoring information of electric life controller normal operation；If running abnormal, it is sent to motion monitoring module and electric life controller
The monitoring information of operation exception, electric life controller takes measures.This scheme provides a kind of safe towed elevator control system
Monitoring the method in good time adjusting.
If arbitrary deceleration sensor, level position sensor experiences failure, absolute encoder can by lift car leveling when
Motion and positional information feed back to motion monitoring module and electric life controller；As absolute encoder breaks down, arbitrary deceleration passes
Motion during lift car leveling and positional information also can be fed back to motion monitoring module and elevator control by sensor, level position sensor
Device processed.The utility model realizes real-time monitoring in running process of elevator, and how elevator runs and riding quality is system precognition,
Detected by sensor assembly and absolute coding, motion monitoring module carries out motion monitoring, electric life controller is carried out to it
Master control, main control motor control module, main control motor module, decelerator, cog-wheel coupling, traction sheave, traction motor control mould
Block, traction motor module are possible for car motion offer, and then the elevator realized normally runs real-time monitoring simultaneously.
During normal operation, electric control clutch disconnects, and safe motor does not work, and below the utility model elevator structure is occurred
Several situation analysis during fault：
1st, when master control system breaks down, car stop can be existed by main control motor (switched reluctance machines or servomotor)
In hoistway.Now, passenger can be in car operational case panel operation security operating mode, and electric life controller sends instruction and starts safety
Operation type.System can start electric brake releasing device and unclamp main control motor brake, traction motor brake, safe motor braking
Device.So that electric control clutch is worked, safe motor is started working, drive non-self-lock-ing type speed reducer, non-self-lock-ing type speed reducer drives and drags
Running wheel, makes car transfer to nearest stop.
When the 2nd, normally running, if traction motor cannot be braked.Now main control motor (switched reluctance machines or servo electricity
Machine) the non-self-lock-ing type speed reducer that drives by traction sheave stop, and can make traction sheave concomitant rotation, and car rests in respective storey,
Main control motor (switched reluctance machines or servomotor) is out of service, main control motor brake, and traction sheave is also braked.Take advantage of
Visitor walks out elevator, and elevator door cuts out, and master control system can make elevator out of service, and calling set shows elevator faults.
When the 3rd, normally running, main control motor (switched reluctance machines or servomotor) is normally run by signal, if traction
Motor control occurs abnormal, and the non-self-lock-ing type speed reducer that now main control motor (switched reluctance machines or servomotor) drives can be by
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 to rotate, sedan-chair
Railway carriage or compartment rests in respective storey, and main control motor (switched reluctance machines or servomotor) is out of service, due to switched reluctance machines or
Servomotor has real-time braking function, and therefore traction sheave is braked, and car is by stop.Passenger walks out elevator, and elevator door cuts out,
Master control system can make elevator out of service, and calling set shows elevator faults.
When the 4th, normally running, if main control motor (switched reluctance machines or servomotor), traction motor press normal procedure
Run, but brake all cannot be braked, car motion and position can be fed back to motion monitoring module and elevator by absolute encoder
Controller, motion monitoring module feeds back to electric life controller by contrast afterwards, and electric life controller makes main control motor (switched reluctance machines
Or servomotor) out of service, because switched reluctance machines or servomotor have real-time braking function, car is locked in well
In road.Now, passenger only need to press the security operating mode on car-operation panel, and electric life controller sends instruction and starts safety
Operation type.System can make electric control clutch work, and safe motor drives non-self-lock-ing type speed reducer, and non-self-lock-ing type speed reducer drives and drags
Running wheel, makes car transfer to nearest stop.Passenger walks out elevator, and elevator door cuts out, and master control system can make elevator out of service, exhale
Calling organ shows elevator faults.
5th, when stop is stopped, traction motor brake breaks down, and switched reluctance machines or servomotor are braked, traction
Wheel is braked, and car is locked in stop by firm.Master control system can make elevator door open, and signal passengers walk out elevator.Passenger
Walk out car, elevator door cuts out, master control system can make elevator out of service, calling set shows elevator faults.
6th, when elevator overspeed falls ladder or rushes to summit, there are 3 kinds of situations：
6.1st, after elevator safety gear locking, electric life controller can control traction motor power-off, traction motor brake；
Main control motor (switched reluctance machines or servomotor) does not work, main control motor brake；Now elevator is even more safety
It is locked on guide rail.Passenger only need to operate car to manipulate the security operating mode of case panel, and electric life controller sends 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.So that electric control clutch is worked, safe motor is started working, drive non-self-lock-ing type speed reducer, non-self-lock-ing type speed reducer drives
Traction sheave, makes car transfer to nearest stop.Elevator door is opened, and passenger walks out elevator, and elevator door cuts out, and master control system can make electricity
Ladder is out of service, and calling set shows elevator faults.
6.2nd, when elevator stall pendant is terraced or rushes to summit, safety tongs is simultaneously not operating, and now traction sheave can inverse be driven, as shown in figure 3,
Traction sheave drives cog-wheel coupling, and cog-wheel coupling drives non-self-lock-ing type speed reducer, and non-self-lock-ing type speed reducer drives main control motor
(switched reluctance machines or servomotor), is terminated with power braking electricity after main control motor (switched reluctance machines or servomotor)
Resistance, in inverse transmission, kinetic energy, potential energy (are electricity for generating state by main control motor (switched reluctance machines or servomotor)
Can), power braking resistor consumes the electricity that main control motor (switched reluctance machines or servomotor) is sent, and makes speed be reduced to peace
Full speed degree, ensures passenger survival safety.When waiting car to drop to the bottom, elevator door is opened, and passenger walks out elevator, elevator door
Close, master control system can make elevator out of service, calling set shows elevator faults.
6.3rd, in motion process, if main control motor control module breaks down, at traction motor control module
The signal of reason is produced by the operation of main control motor (switched reluctance machines or servomotor), and therefore car may be in main control motor
The drive of (switched reluctance machines or servomotor) is gone down to rush to summit or is fallen 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, fortune
Dynamic monitoring modular can feed back to electric life controller after contrasting with plug-in, and electric life controller can send the finger of stop car
Order, main control motor (switched reluctance machines or servomotor) can stop.Elevator is by stop in hoistway.Passenger only need to operate car
The security operating mode of manipulation case panel, electric life controller sends 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 made to work, safety electricity
Machine is started working, and drives non-self-lock-ing type speed reducer, and non-self-lock-ing type speed reducer drives traction sheave, so that car is transferred to nearest stop.
Elevator door is opened, and passenger walks out elevator, and elevator door cuts out, and master control system can make elevator out of service, calling set display elevator event
Barrier.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of control system of safe towed elevator is it is characterised in that described system includes：
Absolute encoder, sensor assembly, calling set, motion monitoring module, electric life controller, main control motor control module, master
Control motor module, decelerator, cog-wheel coupling, traction sheave, traction motor control module, traction motor module, car；
Described absolute encoder, sensor assembly, calling set go out end respectively with described motion monitoring module and described elevator
Controller enters end and is connected, and described motion monitoring module goes out end and couples main control motor control module, main control motor module, deceleration successively
Device, cog-wheel coupling and traction sheave, the end that goes out of described decelerator also couples traction motor control module, traction motor module successively
And traction sheave, described motion monitoring module is connected with each other with electric life controller, described electric life controller go out end and described master control
The end that enters of motor control module is connected, and described traction sheave is coupled with car.
2. a kind of control system of safe towed elevator according to claim 1 is it is characterised in that also include safe operation
Module, safe motor module, electric control clutch, main control motor brake, traction motor brake and electric brake releasing device；
Described safe motor module includes safe motor overcurrent protector, safe motor relay, safe motor and safe motor
Brake；
Described electric life controller goes out end and couples safe operation module, safe motor module, electric control clutch and decelerator, institute successively
State main control motor brake enter end respectively with main control motor module go out end, electric life controller go out end, electric brake releasing device
Go out end connection, described main control motor brake go out end with described decelerator enter hold couple, described traction motor brake
Enter end respectively with electric life controller go out end, electric brake releasing device go out end couple, described traction motor brake go out hold
With described traction motor module enter end couple, described safe operation module go out end also with electric control clutch enter hold and electronic pine
Brake gear enter end connect, described electric brake releasing device go out end respectively with traction motor brake enter end and main control motor system
The end that enters of dynamic device couples, and the end that enters of described safe motor brake is coupled with the end that goes out of safe operation module, and safe motor is braked
The end that goes out of device is connected with the end that enters of safe motor.
3. a kind of control system of safe towed elevator according to claim 2 is it is characterised in that described decelerator module
For self-locking type speed reducer, including worm and worm wheel, described main control motor brake go out end, described electric control clutch go out end all
Be with the worm screw in described self-locking type speed reducer enter end couple, described worm screw go out end connection worm gear enter hold, described tooth-shaped linkage
Axial organ enter end connection is that worm gear in described self-locking type speed reducer goes out end.
4. a kind of control system of safe towed elevator according to claim 3 occurs it is characterised in that also including signal
Device, described signal generator enter end connection be worm screw in described self-locking type speed reducer enter end, described signal generator
Go out end with described traction motor control module enter hold couple.
5. a kind of control system of safe towed elevator according to claim 2 is it is characterised in that also include power braking
Resistance, described decelerator module is non-self-locking type speed reducer, and described main control motor module includes main control motor, described master control electricity
Machine is switched reluctance machines or servomotor；
Described switched reluctance machines or servomotor go out that end couples described power braking resistor enter end.
6. a kind of control system of safe towed elevator according to claim 5 occurs it is characterised in that also including signal
Device, the end that enters of described signal generator is coupled with described non-self-lock-ing type speed reducer, and the end that goes out of described 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 is it is characterised in that also include declutching manually
Device and manual actuation interface, described manual brake release is coupled with electric brake releasing device, described manual actuation interface go out end
Couple with the end that enters of safe motor module.
8. the control system of a kind of safe towed elevator according to claim 1-7 any one is it is characterised in that described
Sensor assembly includes lower deceleration sensor, level position sensor and upper deceleration sensor, and is installed on each stop.
9. the control system of a kind of safe towed elevator according to claim 1-7 any one is it is characterised in that described
Main control motor module includes main control motor overcurrent protector, main control motor relay and main control motor；Described traction motor module
Including traction motor overcurrent protector, traction motor relay and traction motor.
10. the control system of a kind of safe towed elevator according to claim 1-7 any one is it is characterised in that institute
State the input of cog-wheel coupling and output end has fixing sideshake, keep contactless state, sideshake angle is α, described tooth-shaped linkage
Axial organ includes profile of tooth, and profile of tooth is in side clearance α middle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620834083.9U CN205953236U (en) | 2016-08-03 | 2016-08-03 | Safe traction elevator's control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620834083.9U CN205953236U (en) | 2016-08-03 | 2016-08-03 | Safe traction elevator's control system |
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| CN205953236U true CN205953236U (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620834083.9U Withdrawn - After Issue CN205953236U (en) | 2016-08-03 | 2016-08-03 | Safe traction elevator's control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241535A (en) * | 2016-08-03 | 2016-12-21 | 陕西小溪机电科技有限公司 | The control system of a kind of safe towed elevator and method |
-
2016
- 2016-08-03 CN CN201620834083.9U patent/CN205953236U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241535A (en) * | 2016-08-03 | 2016-12-21 | 陕西小溪机电科技有限公司 | The control system of a kind of safe towed elevator and method |
| CN106241535B (en) * | 2016-08-03 | 2018-10-23 | 陕西小溪机电科技有限公司 | A kind of control system and method for safe towed elevator |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20181023 |