CN106144852B - More Lift car type elevators - Google Patents
More Lift car type elevators Download PDFInfo
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- CN106144852B CN106144852B CN201610701049.9A CN201610701049A CN106144852B CN 106144852 B CN106144852 B CN 106144852B CN 201610701049 A CN201610701049 A CN 201610701049A CN 106144852 B CN106144852 B CN 106144852B
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- car
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Classifications
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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
- B66B11/02—Cages, i.e. cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/2408—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration where the allocation of a call to an elevator car is of importance, i.e. by means of a supervisory or group controller
- B66B1/2433—For elevator systems with a single shaft and multiple cars
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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
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
A kind of more Lift car type elevators are provided, 2 neighbouring cars in setting multiple cars is the 1st cars and the 2nd car (2, 4) when, to have can be with the abnormal exclusive region (302B) for accordingly making the region for not allowing at a distance from the stopping of the 2nd car (4) and the 1st car (2) to enter be set as the 2nd car, it will be set as the stopping extreme position (301A) of the 1st car towards the direction of the 1st car (2) absolute position obtained from distance more than exclusive region (302B) of having advanced from the absolute position of the front end on the direction of the 1st car (2) of the 2nd car (4), setting periodically detects extremely close multiple threshold values, it enables to that the 1st car (2) is made to slow down and stops at before the stopping extreme position (301A) of the 1st car.
Description
The application is that application No. is the 201280072399.3 application for a patent for invention (applyings date for original bill：April 16 in 2012
Day, denomination of invention：More Lift car type elevators) divisional application.
Technical field
The present invention relates to more Lift car type elevators that multiple cars are provided in public hoistway.
Background technology
In existing more Lift car type elevators, calculate the speed of the 1st car, from the distance of the 1st car to the 2nd car and
The risk distance and minimum range of speed depending on the 1st car.Also, the distance away from the 2nd car be risk distance with
When lower, the 1st car emergent stopping is made by safety device.In addition, when the distance away from the 2nd car is minimum range or less, make
The emergency braking device of 1st car works.In addition, risk distance is set according to emergent stopping working curve, minimum range
It is (for example, referring to the patent document 1) set according to the working curve of emergency braking device.
In addition, in existing other more Lift car type elevators, according to the relative position of the 2nd car and the 1st car, to determine
With the relevant 1st hypervelocity benchmark of the 1st car and the 2nd hypervelocity benchmark.In addition, the 1st car of detection is relative to the opposite of the 2nd car
Speed is compared relative velocity with the 1st hypervelocity benchmark and the 2nd hypervelocity benchmark.Also, it is more than the 1st hypervelocity in relative velocity
When benchmark, traction machine brake is made to work, when relative velocity is more than the 2nd hypervelocity benchmark, makes emergency braking device work (example
Such as, with reference to patent document 2).
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Application Publication 2008-531436 bulletins
Patent document 2：Japanese Unexamined Patent Publication 2009-256109 bulletins
Invention content
Problems to be solved by the invention
In the elevator shown in patent document 1, according to operating deceleration curve and in the case of select stopping, needing compared with
Exception is detected under big inter-car distance, car is made to slow down, is declined so as to cause service.
In addition, in the elevator shown in patent document 2, relative position between the 1st car and the 2nd car and relatively fast is used
It spends to construct algorithm.Therefore, in the 1st car and close the 2nd car, this method can be used, but advancing in the same direction
When, need to make the car of side to stop, there are problems on being serviced.
The present invention completes to solve the problems, such as described above, it is intended that obtaining a kind of more car type electricity
Ladder can not only prevent service decline but also be prevented more reliably the mutual conflict of car by simple structure.
The means used to solve the problem
In a kind of more Lift car type elevators of the present invention, have：Multiple cars, they are arranged in public hoistway；It is more
A control unit, they control the operation of the corresponding car；And the safety device that conflicts between car is prevented, with the control
Portion connects, and monitors the car each other and have without exception close, and 2 neighbouring cars in setting the car is the 1st sedan-chairs
When compartment and 2 car, exception can be directed to by having, and accordingly stop the 2nd car with the absolute velocity of the 2nd car
Distance and the region that does not allow the 1st car to enter be set to the exclusive region of the 2nd car, from the 2nd sedan-chair
The absolute position of the front end in the 1st car direction in compartment is risen, advanced the 2nd car towards the 1st car direction
Exclusive region more than distance obtained from absolute position be set to the stopping extreme position of the 1st car, be set with
Extremely close multiple threshold values are periodically detected, enable to that the 1st car is made to slow down and stop at the 1st car
Stopping extreme position before, having can be directed to abnormal, accordingly make the 1st sedan-chair with the absolute velocity of the 1st car
Distance that compartment stops and the region for not allowing the 2nd car to enter are set to the exclusive region of the 1st car, from described
The absolute position of the front end in the 2nd car direction of 1st car rises, has advanced the described 1st towards the 2nd car direction
Absolute position obtained from the distance more than exclusive region of car is set to the stopping extreme position of the 2nd car, if
Surely have and periodically detect extremely close multiple threshold values, enable to that the 2nd car is made to slow down and stop at the described 2nd
Before the stopping extreme position of car.
In the more Lift car type elevators of another kind of the present invention, have：Multiple cars, they are arranged in public hoistway；
Multiple control units, they control the operation of the corresponding car；And the safety device that conflicts between car is prevented, with the control
Portion processed connection, monitors the car each other and has without exception close, and 2 neighbouring cars in setting the car is the 1
When car and 2 car, exception can be directed to by having, and accordingly stop the 2nd car with the absolute velocity of the 2nd car
Distance only and the region for not allowing the 1st car to enter are set to the exclusive region of the 2nd car, from the described 2nd
The absolute position of the front end in the 1st car direction of car is risen, advanced the 2nd sedan-chair towards the 1st car direction
Absolute position obtained from the distance more than exclusive region in compartment is set to the stopping extreme position of the 1st car, setting
Have and periodically detect extremely close multiple threshold values, enable to that the 1st car is made to slow down and stops at the 1st sedan-chair
Before the stopping extreme position in compartment, in the case where detecting the 1st car close 2 car extremely, to the described 1st
Car and the 2nd car take identical reply.
Invention effect
More Lift car type elevators according to the present invention, can by simple structure, not only prevented it is service decline but also more
It is reliably prevented the mutual conflict of car.
Description of the drawings
Fig. 1 is the structure chart for the more Lift car type elevators for showing embodiments of the present invention 1.
Fig. 2 is the block diagram of the control system for the elevator for showing Fig. 1.
Fig. 3 is the definition graph in the exclusive region for stopping extreme position and the 2nd car for the 1st car for showing Fig. 1.
Fig. 4 is the curve graph of an example of the determining method in the exclusive region for showing Fig. 3.
Fig. 5 is to show to make the 1st car of Fig. 3 stop before stopping extreme position, and in the 1st control unit, the 2nd control
Portion and the curve graph for preventing the velocity mode set in conflict safety device between car.
Fig. 6 be when 2 cars shown in hoistway are close from normal condition become abnormality in the case of the 1st
Timing variations of the stopping extreme position for stopping extreme position and the 2nd car of car and with the continuous threshold value for deceleration
The curve graph of the timing variations of 1st velocity mode and the 2nd velocity mode.
Fig. 7 is to show in the case of the 1st car and extremely close the 2nd car, passes through the 1st control unit and the 2nd control unit
Make the curve graph of the action of car stopping.
Fig. 8 is the song for showing the action of the 1st car and the 2nd car from the state of Fig. 7 in the case of further extremely close
Line chart.
Fig. 9 is the song for showing the action of the 1st car and the 2nd car from the state of Fig. 8 in the case of further extremely close
Line chart.
Figure 10 is to show that the car in the 1 management/drive control circuit portion and 2 management/drive control circuit portion of Fig. 2 connects
The flow chart of nearly monitoring action.
Figure 11 is the flow chart for preventing the car of conflict safety device between car from being acted close to monitoring for showing Fig. 2.
Figure 12 is shown in the case where the 1st car stops or in the case where advancing towards the direction far from the 2nd car
The curve graph of the determining method of the stopping extreme position of 2nd car.
Figure 13 is another curve graph of the determining method for showing exclusive region.
Figure 14 is the curve graph of the another example for the determining method for showing exclusive region.
Specific implementation mode
Hereinafter, with reference to attached drawing, mode for carrying out the present invention is illustrated.
Embodiment 1.
Fig. 1 is the structure chart for the more Lift car type elevators for showing embodiments of the present invention 1.In the figure in public hoistway 1
It is interior, it is provided with the 1st car (upper car) 2, the 1st counterweight 3 corresponding with the 1st car 2, the 2nd car (lower car) 4 and with the 2nd
4 corresponding 2nd counterweight 5 of car.1st car 2 is arranged in the top (surface) of the 2nd car 4.
On the top of hoistway 1, it is provided with computer room 6.In computer room 6, being provided with makes the 1st car 2 and the 1st counterweight 3 lift
1st traction machine 7 and the 2nd traction machine 8 for making the 2nd car 4 and the 2nd counterweight 5 lift.1st car 2 and the 2nd car 4 respectively by
Traction machine 7,8 and the independently lifting in the hoistway 1.
In hoistway 1, it is provided with a pair of of car guide rail (not shown) of the lifting of the 1st car 2 of guiding and the 2nd car 4, draws
It leads the 1st counter weight guide track (not shown) of a pair of the lifting of the 1st counterweight 3 and guides the 2nd counterweight of a pair of the lifting of the 2nd counterweight 5
Guide rail (not shown).
The 1st motor (not shown) and the 1st that 1st traction machine 7 has the 1st driving rope sheave 9, the 1st driving rope sheave 9 is made to rotate
Traction machine brake 10, wherein the 1st traction machine brake 10 is the braking dress braked to the rotation of the 1st driving rope sheave 9
It sets.
2nd traction machine 8 have the 2nd driving rope sheave 11, make the 2nd driving rope sheave 11 rotate the 2nd motor (not shown) and
2nd traction machine brake 12, wherein the 2nd traction machine brake 12 is the system braked to the rotation of the 2nd driving rope sheave 11
Dynamic device.
On the 1st driving rope sheave 9 and the 1st deflector sheave 13, around hanging with the 1st suspension unit 14.1st car 2 and the 1st counterweight 3
By means of the hanging of the 1st suspension unit 14 in hoistway 1.On the 2nd driving rope sheave 11 and the 2nd deflector sheave 15, around hanging with the 2nd suspension
Unit 16.2nd car 4 and the 2nd counterweight 5 are hung by means of the 2nd suspension unit 16 in hoistway 1.
As the 1st suspension unit 14, such as more ropes or multi-ribbon are used.In addition, in this example embodiment, with 1：1 around
Rope hangs the 1st car 2 and the 1st counterweight 3 than mode.
As the 2nd suspension unit 16, such as more ropes or multi-ribbon are used.In addition, in this example embodiment, with 2：1 around
Rope hangs the 2nd car 4 and the 2nd counterweight 5 than mode.
On the 1st car 2, it is equipped with and is mechanically engaged with car guide rail to make the 1st sedan-chair of 2 emergent stopping of the 1st car
Compartment emergency braking device 17.On the 2nd car 4, it is equipped with and is mechanically engaged with car guide rail to keep the 2nd car 4 urgent
The 2nd car emergency braking device 18 stopped.
In computer room 6, it is provided with the super of the 2nd car 4 of the 1st car limiter of speed 19 and detection of the hypervelocity of the 1st car 2 of detection
2nd car limiter of speed 20 of speed.
1st car limiter of speed 19 has the 1st governor sheave 21.On the 1st governor sheave 21, around hang with it is cyclic annular for no reason
The 1st overspeed governor 22.In the lower part of hoistway 1, it is provided with the 1st tensioning wheel 23 for applying tension to the 1st overspeed governor 22.
A part for 1st overspeed governor 22 is connect with the 1st car 2.The 1st overspeed governor 22 is with the 1st car as a result,
2 lifting and loopy moving, make the 1st governor sheave 21 be rotated with speed corresponding with the speed of the 1st car 2.
2nd car limiter of speed 20 has the 2nd governor sheave 24.On the 2nd governor sheave 24, around hang with it is cyclic annular for no reason
The 2nd overspeed governor 25.In the lower part of hoistway 1, it is provided with the 2nd tensioning wheel 26 for applying tension to the 2nd overspeed governor 25.
A part for 2nd overspeed governor 25 is connect with the 2nd car 4.The 2nd overspeed governor 25 is with the 2nd car as a result,
4 lifting and loopy moving, make the 2nd governor sheave 24 be rotated with speed corresponding with the speed of the 2nd car 4.
On the 1st car limiter of speed 19, it is provided with the 1st encoder 27 as the 1st speed detector, is generated and the 1st
The corresponding signal of rotation of governor sheave 21.On the 2nd car limiter of speed 20, it is provided with the 2nd as the 2nd speed detector
Encoder 28 generates signal corresponding with the rotation of the 2nd governor sheave 24.Incremental rotary encoder has been used to be used as
1st encoder 27 and the 2nd encoder 28.
When the rotary speed of the 1st governor sheave 21 is more than preset speed, the 1st car limiter of speed 19 is with machinery
The 1st overspeed governor 22 is clamped in mode.In addition, the 1st car limiter of speed 19 is provided with car overspeed governor clamping device 29, it should
The 1st overspeed governor 22 is clamped according to the electric command signal from outside in car overspeed governor clamping device 29.
When declining the 1st car 2 in the state that the 1st overspeed governor 22 are clamped, 17 work of the 1st car emergency braking device
Make, makes 2 emergent stopping of the 1st car.The traveling of excessive speeds of the 1st car 2 when declining is prevented as a result,.In addition, by right
Car overspeed governor clamping device 29 assigns electric command signal, so that the decline of the 1st car 2 is advanced and stop.
When the rotary speed of the 2nd governor sheave 24 is more than preset speed, the 2nd car limiter of speed 20 is with machinery
The 2nd overspeed governor 25 is clamped in mode.
When declining the 2nd car 4 in the state that the 2nd overspeed governor 25 are clamped, 18 work of the 2nd car emergency braking device
Make, makes 4 emergent stopping of the 2nd car.The traveling of excessive speeds of the 2nd car 4 when declining is prevented as a result,.
In addition, in computer room 6, it is provided with counterweight limiter of speed 30.Counterweight limiter of speed 30 has counterweight governor sheave 31.
On counterweight governor sheave 31, around hanging with cyclic annular counterweight overspeed governor 32 for no reason.In the lower part of hoistway 1, it is provided with to right
Weight overspeed governor 32 applies the counterweight overspeed governor tensioning wheel 33 of tension.
A part for counterweight overspeed governor 32 is connect with the 2nd counterweight 5.Counterweight overspeed governor 32 is with the 2nd pair as a result,
It weighs 5 lifting and loopy moving, counterweight governor sheave 31 is made to be rotated with speed corresponding with the speed of the 2nd counterweight 5.
When the rotary speed of counterweight governor sheave 31 is more than preset speed, counterweight limiter of speed 30 is with machinery side
Counterweight overspeed governor 32 is clamped in formula.In addition, in counterweight limiter of speed 30, be provided with according to from external electric command signal come
The counterweight overspeed governor clamping device 34 of counterweight overspeed governor 32 is clamped.
On the 2nd counterweight 5, it is equipped with and mechanically engages to make 5 emergent stopping of the 2nd counterweight with the 2nd counter weight guide track
Counterweight emergency braking device 35.
When declining the 2nd counterweight 5 in the state that counterweight overspeed governor 32 is clamped, 35 work of counterweight emergency braking device
Make, makes 5 emergent stopping of the 2nd counterweight.The traveling of excessive speeds of the 2nd counterweight 5 when declining is prevented as a result,.In addition, pass through to
Counterweight overspeed governor clamping device 34 assigns electric command signal, so that the decline of the 2nd counterweight 5 is advanced and stop.
That is, preventing the traveling of excessive speeds of the 2nd car 4 corresponding with the 2nd counterweight 5 when rising.Furthermore it is possible to appoint
Meaning ground makes the rising traveling of the 2nd car 4 stop.
In addition it is also possible to counterweight limiter of speed 30 and counterweight emergency braking device 35 are substituted, and being applied in combination can prevent
The car limiter of speed for the structure that excessive speeds of the car when rising are advanced and when rising also effective structure emergent stopping
Device.
In the lower part (pit ground) of hoistway 1, it is provided with car buffer 36, the 1st counterweight buffer 37 and the 2nd counterweight
Buffer 38.Car buffer 36 is prevented in the case where the 2nd car 4 passes by bottom because certain abnormal, and the 2nd car 4 collides
Pit ground and generate serious impact.
In the case where the 1st car 2 passes by top layer, the 1st counterweight buffer 37 prevents the top of the 1st car 2 collision hoistway 1
Portion.The height at the top of hoistway 1 be consider the 1st counterweight 3 collide 1 counterweight buffer 37 when the 1st car 2 upper momentum and
Design.
In the case of the uppermost storey during the 2nd car 4 has passed by the floor that the 2nd car 4 is serviced, the 2nd counterweight buffering
Device 38 prevent the 2nd car 4 collide hoistway equipment or with 2 relevant equipment of the 1st car.
Near upper end floor in hoistway 1, it is provided with the 1st top hoistway switch 39 and the 2nd top hoistway switch
40.In the hoistway 1 near lowest floor in the floor that the 1st car 2 is serviced, it is provided with lower part service floor switch 41.
1st car 2, which is provided with, switchs the 1st top hoistway switch 39, the 2nd top hoistway switch 40 and lower part service floor
41 the 1st operating members (switch drive track) 42 operated.Top hoistway switch 39,40 and lower part service floor switch
41 be normally closed switch, is operated by the 1st operating member 42 to open circuit.
When the 1st car 2 rests against top layer, top hoistway switch 39,40 is operated and become and open by the 1st operating member 42
State.When the 1st car 2 rests against the lowest floor in the floor that the 1st car 2 is serviced, 41 quilt of lower part service floor switch
The operation of 1st operating member 42, which forms, to be in an open state.
Near lower end floor in hoistway 1, it is provided with the 1st lower part hoistway switch 43 and the 2nd lower part hoistway switch
44.In the hoistway 1 near uppermost storey in the floor that the 2nd car 4 is serviced, it is provided with top service floor switch 45.
2nd car 4, which is provided with, switchs the 1st lower part hoistway switch 43, the 2nd lower part hoistway switch 44 and top service floor
45 the 2nd operating members (switch drive track) 46 operated.Lower part hoistway switch 43,44 and top service floor switch
45 be normally closed switch, is operated by the 2nd operating member 46 to open circuit.
When the 2nd car 4 rests against bottom, lower part hoistway switch 43,44 is operated and become and open by the 2nd operating member 46
State.When the 2nd car 4 rests against the uppermost storey in the floor that the 2nd car 4 is serviced, 45 quilt of top service floor switch
The operation of 2nd operating member 46, which forms, to be in an open state.
In addition, at position corresponding with multiple dock floors in hoistway 1, it is respectively arranged with stop layers plate 47.1st car
2 are equipped with the 1st stop layer sensor 48 of detection stop layers plate 47.1st stop layer sensor 48 detects the energy that the 1st car 2 is located at safety
Situation in the door region of enough shutter doors.
2nd car 4 is equipped with the 2nd stop layer sensor 49 of detection stop layers plate 47.2nd stop layer sensor 49 detects the 2nd sedan-chair
Compartment 4 is located at the situation about capableing of in the door region of shutter door of safety.
Fig. 2 is the block diagram of the control system for the elevator for showing Fig. 1.1st control unit 51 has 1 management/drive control electricity
Road portion 52 and the 1st brake drive circuit 53.1 management/drive control circuit portion 52 carries out and 2 relevant fortune of the 1st car
Row management, speed control and door open and close control etc..1st brake drive circuit 53 drives the 1st traction machine brake 10.
2nd control unit 54 has 2 management/drive control circuit portion 55 and the 2nd brake drive circuit 56.2nd pipe
Reason/drive control circuit portion 55 carries out the open and close control etc. with the 4 relevant operational management of the 2nd car, speed control and door.2nd
Brake drive circuit 56 drives the 2nd traction machine brake 12.
1st control unit 51 and the 2nd control unit 54 are connected with the safety device 57 that prevents from conflicting between car.It prevents from conflicting between car
Safety device 57 has Security monitoring circuits portion 58, brake driving instruction output circuit portion 59 and emergent stopping driving circuit
Portion 60.Whether there is or not the 1st car 2 that can cause the 4 mutual conflict of the 1st car 2 and the 2nd car and for the monitoring of Security monitoring circuits portion 58
The exception of 2 cars 4 is close.
When detecting that the exception of the 1st car 2 and the 2nd car 4 is close, brake driving instruction output circuit portion 59 is to
1 control unit 51 and the 2nd control unit 54 export the instruction for making brake operation.Emergent stopping drive circuit 60 is limited to car
The instruction of fast device rope clamping device 29 and the output clamping overspeed governor 22,32 of counterweight overspeed governor clamping device 34.
1 management/drive control circuit portion 52 and 2 management/drive control circuit portion 55 are entered from the 1st encoder
The detection signal of 27 and the 2nd encoder 28 indicates that the signal of the state of hoistway switch 39,40,41,43,44,45 and stop layers pass
The detection signal of sensor 48,49.
Management/drive control circuit portion 52,55 uses these input signals, detects the 1st car 2 and the 2nd sedan-chair in hoistway 1
The absolute position in compartment 4.Although in addition, not being shown in FIG. 1, management/drive control circuit portion 52,55, which is also input into, to be come from
The calling signal of passenger and requirement from upkeep operation personnel are switched to the switching request signal etc. for safeguarding operating.
It is directed to the 1st speed command signal of traction machine 7 and beating for door from 1 management/output of drive control circuit portion 52
Open command signal etc..Equally, from 2 management/output of drive control circuit portion 55 for the speed command signal of the 2nd traction machine 8
And the open instructions signal etc. of door.
1st brake drive circuit 53 and the 2nd brake drive circuit 56 are entered to come from and prevent from conflicting between car
The anomaly detection signal of safety device 57 and other safety devices (not shown).1st brake drive circuit 53 is receiving
When anomaly detection signal, make the command signal that the 1st traction machine brake 10 works to the output of the 1st traction machine 7.Equally, the 2nd braking
Device drive circuit 56 makes the 2nd traction machine brake 12 work when receiving anomaly detection signal, to the output of the 2nd traction machine 8
Command signal.
Security monitoring circuits portion 58 is entered detection signal, expression hoistway from the 1st encoder 27 and the 2nd encoder 28
The signal of the state of switch 39,40,41,43,44,45 and the detection signal of stop layer sensor 48,49.It is switched using hoistway
39,40,41,43,44,45 and stop layer sensor 48,49 detect the discrete absolute position of car, and utilize the 1st coding
Device 27 and the 2nd encoder 28 carry out interpolation arithmetic to discrete car location information, detect the absolute position of continuous car as a result,
It sets.
Security monitoring circuits portion 58 uses these input signals, detects the speed and hoistway of the 1st car 2 and the 2nd car 4
The absolute position of the 1st car 2 and the 2nd car 4 in 1.
In addition, the 1st control unit 51 and the 2nd control unit 54 and preventing between car that conflict safety device 57 can be respectively by only
Vertical computer is constituted.
In addition, in this example, in order to utilize management/drive control circuit portion 52,55 and Security monitoring circuits portion 58
It detects the absolute position of the 1st car 2 and the 2nd car 4, incremental rotary encoder, hoistway switch and stop layers has been used to pass
The combination of sensor, but absolute type encoder can also be used.
The processing of the safety device 57 described below that prevents from conflicting between car.Fig. 3 is the stopping pole for the 1st car 2 for showing Fig. 1
The definition graph in the exclusive region of extreme position and the 2nd car 4.Stop extreme position being defined as needing to make car 2,4 in the position
The position stopped before.In addition, exclusive region is defined as not allowing the region that other cars enter, be decided to be even if car 2,
4 distances that is abnormal, can also be stopped by certain correspondences respectively.
In figure 3, the stopping extreme position of the 1st car 2 is decided to be 301A.In addition, according to the absolute position of the 2nd car 4
And absolute velocity, the exclusive region 302B and offset 306B of the 2nd car 4 are calculated, determines the stopping pole of the 1st car 2
Extreme position 301A.Since the 2nd car 4 moves, stopping extreme position 301A is the amount changed as time goes by and continuously, row
The sum of his region 302B and offset 306B is also the amount continuously changed.
But, offset 306B can also be fixed value.
In addition, the stopping extreme position 301B of the 2nd car 4 is exclusive region 302A and offset according to the 1st car 2
306A is determined, wherein the exclusive region 302A of the 1st car 2 is absolute position and absolute velocity according to the 1st car 2
It finds out.
Next, being illustrated to the details of the determining method in exclusive region.Fig. 4 is the exclusive region for showing Fig. 3
Determining method an example curve graph.The exclusive region of 2nd car 4, which has used, is directed to " certain position shown in the 303B of Fig. 4
And speed " when the emergent stopping trigger signal that exports and the calculated distance until it can correspond to and stop.
In " certain position and speed " 303B, as " certain position ", use the 2nd car 4 in the front end of 2 side of the 1st car
Absolute position.In addition, " certain speed " is the absolute velocity with the 2nd car 4 on 2 direction of closing of the 1st car.
Equally, in " certain position and speed " 303A when determining the exclusive region of the 1st car 2, as " certain position ", make
With the 1st car 2 the front end of 4 side of the 2nd car absolute position.In addition, " certain speed " be on 4 direction of closing of the 2nd car
The 1st car 2 absolute velocity.
The curve 304B of Fig. 4 shows the case where outputing emergent stopping trigger signal at " certain position and speed " 303B
Under the velocity variations of the 2nd car 4 caused by counterweight emergency braking device 35.In addition, curve 305B is shown from " certain position
And speed " 303B play curve 304B until state change an example.Also, the state of " certain position and speed " 303B will be arrived
Under the 2nd car 4 stopped according to velocity variations shown in curve 304B until distance be set as exclusive region 302B.
In addition, exclusive region is set as the temporal action delay comprising counterweight emergency braking device 35 and/or slows down
The value of the difference of degree.Moreover, will advance from the front position on the direction of travel of the 2nd car 4 exclusive region 302B with partially
Position after amount obtained from shifting amount 306B is added is set as the stopping extreme position 301A of the 1st car 2.Offset 306B be in order to
It avoids 2 cars 2,4 from stopping the value being set for the exactly in contact with state to adjoin one another, is the numerical value bigger than 0.In addition, making the 1st
The trigger signal that car emergency braking device 17 works is exported from the 1st car limiter of speed 19.
The 1st control unit 51, the 2nd control unit 54 are determined in the way of Fig. 5 and prevent conflict safety device 57 between car
Coping style, so that the 1st car 2, which can slow down, stops at the stopping extreme position of above-mentioned the 1st car 2 determined like that
Before 301A.
Herein, in management/drive control circuit portion 52,55, the speed that is set with shown in curve 307A in usually slowing down
Degree variation and forced deceleration/exception proximity test threshold value shown in curve 308A.In addition, abnormal in the 1st car 2 and the 2nd car 4
Conflict safety device 57 is going out exception according to abnormal proximity test threshold test shown in curve 309A between approaching and preventing car
And in the case of making brake operation, become velocity variations when brake operation shown in curve 310A, according to curve
In the case that emergent stopping operation threshold shown in 311A detects exception and carries out emergent stopping work, it is set as curve 312A institutes
Velocity variations when the emergent stopping work shown.
In these curves, first, determine the speed when emergent stopping work as the velocity variations under the conditions of worst
Degree variation 312A, enables to the stopping extreme position for slowing down and stopping at the 1st car 2 by emergency braking device 17
301A.Next, in order to realize the velocity variations, consideration act delay time, overspeed governor clamping device 29 amount of slip
The deceleration of size and emergency braking device 17 determines emergent stopping operation threshold 311A, and being used as to export makes promptly
The threshold value for the trigger signal that arresting stop 17 works.
In addition, so that with the Uncrossed modes of emergent stopping operation threshold 311A, determine speed when brake operation
Degree variation 310A.Also, in order to form such velocity variations, consideration acts delay time, distance and traction machine brake
10 deceleration determines abnormal proximity test threshold value 309A.
In addition, so that with the Uncrossed modes of abnormal proximity test threshold value 309A, determine management/drive control circuit
Forced deceleration/exception proximity test threshold value 308A in portion 52.Finally, determine the velocity variations 307A in usually slowing down, with
As such forced deceleration/exception proximity test threshold value 308A.
By such the 1st velocity mode 313A is referred to as with 2 relevant 307A~312A of the 1st car.In addition, it is same, it will
It is referred to as the 2nd velocity mode 313B with 4 relevant 307B~312B of the 2nd car.Also, prevent the safety device that conflicts between car
57, the 1st control unit 51 and the 2nd control unit 54 respectively calculate velocity mode 313A and velocity mode 313B.
Fig. 6 is shown：From in the case that normal condition becomes abnormality when 2 cars 2,4 in hoistway 1 are close
The 1st car 2 stopping extreme position 301A and the 2nd car 4 stopping extreme position 301B timing variations and with being used for
The timing variations of 1st velocity mode 313A and the 2nd velocity mode 313B of the continuous threshold value slowed down.In addition, in figure 6, the longitudinal axis
Show that the position of car 2,4, horizontal axis show the speed of the 1st car 2 and the 2nd car 4 on direction of closing.
Two cars 2,4 as time goes by and it is abnormal close in the case of, with the absolute position of car 2,4 and absolute speed
Accordingly, close to the 1st car 2, the stopping extreme position 301B of the 2nd car 4 connects the stopping extreme position 301A of the 1st car 2 degree
Nearly 2nd car 4.Also, as it stops the movement of extreme position, the 1st velocity mode 313A is close to the 1st car 2, the 2nd speed
Pattern 313B is close to the 2nd car 4.
The forced deceleration for including in " certain position and speed " 303A of the 1st car 2 is more than the 1st velocity mode 313A/different
When very close to detection threshold value 308A, exception proximity test threshold value 309A or emergent stopping operation threshold 311A, the 1st car 2 is made to subtract
Speed simultaneously stops.In addition, the pressure for including in " certain position and speed " 303B of the 2nd car 4 is more than the 2nd velocity mode 313B subtracts
When speed/abnormal proximity test threshold value 308B, exception proximity test threshold value 309B or emergent stopping operation threshold 311B, make the 2nd sedan-chair
Slow down and stop in compartment 4.
At this point, the 1st control unit 51 and the 2nd control unit 54 use the 1st velocity mode 313A and the 2nd velocity mode 313B respectively
Result of calculation coped with.As shown in fig. 7, respectively according to respective exception proximity test threshold value 308A and abnormal proximity test
Threshold value 308B is judged as exception close to 4 side of the 2nd car, the 1st 2 side of car, passes through management/drive control circuit portion
52,55 forcibly make car 2,4 slow down, and car 2,4 is made to stop before clashing.
In addition it is also possible to substitute through the 1st control unit 51 and the 2nd control unit 54 come calculating speed pattern 313A, 313B, and
The instruction of deceleration is sent out the case where detection more than threshold value and to control unit 51,54 by preventing between car conflict safety device 57.
In addition it is also possible to substitute through the 1st control unit 51 and the 2nd control unit 54 come calculating speed pattern 313A, 313B, and
Take following reply.First, in the 1st control unit 51, the velocity variations 307A and forced deceleration/different in usually slowing down are calculated
The 1st car 2 is set to slow down when abnormal close very close to detection threshold value 308A.In addition, in the 2nd control unit 54, calculate logical
Velocity variations 307B in often slowing down and forced deceleration/exception proximity test threshold value 308B makes the when detecting extremely close
2 cars 4 slow down.In the case of further abnormal close, in the safety device 57 that conflicts between preventing car, abnormal connect is calculated
Nearly detection threshold value 309A, 309B makes brake operation more than these threshold values.In further extremely close feelings
Under condition, conflicts between preventing car in safety device 57, emergent stopping operation threshold 311A, 311B are calculated, more than these
In the case of threshold value, emergent stopping is made to work.
Car 2,4 each other further in the case of, prevent the 57 operating speed pattern of safety device that conflicts between car
The result of calculation of 313A, 313B is coped with.As shown in figure 8, more than abnormal proximity test threshold value 309A, 309B the case where
Under, it is judged as exception, velocity variations 310A, 310B when according to brake operation make car 2,4 slow down.
As shown in figure 9, when even if reply in this way is abnormal, there are still, cars 2,4 each other further to and more than promptly stopping
Only when operation threshold 311A, 311B, be further judged as existing it is abnormal, velocity variations 312A when being worked according to emergent stopping,
312B and make car 2,4 slow down.
If to deposit in an exceptional case should be to arranging, Figure 10 is management/drive control circuit portion 52,55
In reply flow, Figure 11 be even if such reply still it is abnormal it is close in the case of reply flow.
Figure 10 is the sedan-chair in the 1 management/drive control circuit portion 52 and 2 management/drive control circuit portion 55 for showing Fig. 2
The flow chart that compartment is acted close to monitoring.Management/drive control circuit portion 52,55 executes the processing of Figure 10 with specified period repeatedly.
In the car in management/drive control circuit portion 52,55 is acted close to monitoring, the stopping limit of two cars 2,4 is calculated first
Position (step S1).Next, it is determined whether being the speed (step S2) close with other side's car.If not with other side's car
Close speed then terminates this processing.
In the case where being the speed close with other side's car, determine forced deceleration/exception under usual control system
Proximity test threshold value (step S3).In turn, whether judgement current location is bordering on forced deceleration/exception proximity test away from other side's car
Threshold value (step S4).If not being bordering on forced deceleration/exception proximity test threshold value away from other side's car, terminate this processing.
In the case where being bordering on forced deceleration/exception proximity test threshold value away from other side's car, output forced deceleration instruction (step
Rapid S5), whether judgement car 2,4 stops (step S6).Then, output low speed automatically go to by nearest floor row
Into instruction (step S7).That is, make car 2,4 towards car 2,4 away from each other side nearest floor movement, thus prevent from passenger being stranded
In car 2,4.Also, it after the stopping of car 2,4 (step S8), ends processing.
Figure 11 is to show the flow shown in Fig. 2 for preventing the car of conflict safety device 57 between car from being acted close to monitoring
Figure.Prevent conflict safety device 57 between car from executing the processing of Figure 11 repeatedly with specified period.Conflict safety between preventing car
During the car of device 57 is acted close to monitoring, first, the stopping extreme position (step S11) of two cars 2,4 is calculated.It connects down
Come, determines abnormal proximity test threshold value (step S12).
Then, it is determined that whether being bordering on abnormal proximity test threshold value (step S13) away from other side's car.If simultaneously away from other side's car
It is not bordering on abnormal proximity test threshold value, then terminates this processing.The case where being bordering on abnormal proximity test threshold value away from other side's car
Under, output brake work order (step S14).Then, it is determined that whether being bordering on emergent stopping activation threshold value (step away from other side's car
Rapid S15).Also, when being bordering on emergent stopping activation threshold value away from other side's car, emergent stopping work order (step S16) is exported.
In addition, the reply of Figure 10 and the reply of Figure 11 are independent of one another, the action of conflict safety device 57 between car is prevented not
The influence in managed/drive control circuit portion 52,55.
By method as described above, the 1st car 2 and the 2nd car 4 because occur certain it is abnormal due to close in the case of,
The exception can be detected according to absolute position and the absolute velocity of the 1st car 2 and the 2nd car 4, and pass through management/driving control
Circuit portion 52,55 processed and prevent conflict safety device 57 between car from car being made to slow down and stop.
It is subsequently assumed that in the case where the 1st car 2 stops or in the case where advancing towards the direction far from the 2nd car 4
It is abnormal, when the 1st car 2 and the 2nd car 4 become abnormal close, the 1st car 2 is after direction of travel temporarily ceases, towards negative side
To movement.Therefore, as shown in figure 12, it is assumed that the speed with the direction of travel opposite direction of the 1st car 2 is 0, determines " certain position
Set and speed " 303A.Herein, curve 314A is shown outputs emergent stopping trigger signal at " certain position and speed " 303A
In the case of the velocity variations caused by emergency braking device 17.In addition, curve 315A is indicated from " certain position and speed "
303A play curve 314A until state change an example.
In addition, when the 2nd car 4 advanced to direction downward determines the stopping extreme position 301A of the 1st car 2, also lead to
Same method is crossed to carry out.
After determining the stopping extreme position 301B of the 2nd car 4, carry out extremely close detection, so that car is slowed down with
And the method stopped is identical as embodiment 1.In addition, after the stopping extreme position for determining the 1st car 2, abnormal connect is carried out
Close detection, the method for making car slow down and stop are also identical as embodiment 1.
The moving direction of 1st car 2 has upper direction, stopping, this 3 kinds of lower direction.In addition, the moving direction of the 2nd car 4
There are upper direction, stopping, this 3 kinds of lower direction.Therefore, the combination of the moving direction of two cars 2,4 has 3 × 3 totally 9 kinds.This 9 kinds of wholes
It can be coped with by any one method among the above, can realize management/drive control circuit by identical algorithm
Reply in portion 52,55 prevents reply between car in conflict safety device 57.
Here, using absolute velocity and/or absolute position of the incremental rotary encoder to measure car 2,4 the case where
Under, it needs to determine initial position when mounted and/or when powering on.Therefore, it is necessary to carry out for determining initial position
Practise operating.
In the case of there are 2 cars 2,4 to lift in hoistway 1, used using the 1st car 2 on the top being arranged in hoistway 1
Top hoistway switch 39,40 and the lower part being arranged in hoistway 1 the 2nd car 4 lower part hoistway switch 43,44, carry out
The study of initial position.When learning operating as progress, in the feelings for detecting that the 1st car advances towards the direction of the 2nd car
Under condition, conflict safety device 57 is judged as exception and car 2,4 is made to stop between preventing car, equally, is detecting the 2nd car court
In the case that the direction of 1st car is advanced, conflict safety device 57 is judged as exception and car 2,4 is made to stop between preventing car.
In addition can also be most to start to make the 2nd car 4 to decline, using lower part hoistway switch 43,44 into line home position
Then study rises the 1st car 2, using top hoistway switch 39,40, into the study of line home position.At this point, in the 2nd sedan-chair
In the study operating in compartment 4, in the case where detecting that the 1st car advances towards the direction of the 2nd car, conflict safety between car is prevented
Device 57 is judged as exception and car 2,4 is made to stop, and equally, in the study operating of the 1st car 2, is detecting the 2nd car court
In the case that the direction of 1st car is advanced, conflict safety device 57 is judged as exception and car 2,4 is made to stop between preventing car.
In addition it is also possible to be most to start to make the 2nd car 4 to decline, using lower part hoistway switch 43,44 into line home position
Study, then decline the 1st car 2, using lower part service floor switch 41 into the study of line home position.In addition, also may be used
To be, most starts that the 1st car 2 is made to increase, using top hoistway switch 39,40 into the study of line home position, then make the 2nd sedan-chair
Compartment 4 rises, using top service floor switch 45 into the study of line home position.In this way, the method about study operating, it can be with
Various methods are selected according to the configuration of hoistway switch.
In addition, in the case of having 3 or more car liftings in hoistway 1, it is under that each car, which can be determined in advance,
Just rise which, from the car of bottom, it is made to decline successively, after the study for the car for finishing bottom, from
The car of next lower section, which rises, to be learnt, and the study of whole cars is thus carried out.
Learnt from bottom in addition it is also possible to substitute, and make successively from the car of the top its rise come into
Row study.
In addition it is also possible to be, in order to shorten learning time, top car from the half of car sum is from the top sedan-chair
Compartment proceeds by study, and the lower section car from the half of car sum proceeds by study from bottom car.
According to such more Lift car type elevators, when the 1st car 2 and the 2nd car 4 are advanced in the same direction, even if forward
The car of Fang Hangjin carries out emergent stopping, can also realize and can avoid the such deceleration of conflict and stop.
In addition, when being abnormal under shorter inter-car distance, the coping style for preventing conflict can be automatically determined,
Therefore, the generation that the car that service deteriorates slows down can either be prevented to the maximum extent, and can be prevented between car 2,4
Conflict.
Expensive absolute position transducer is used in addition, substituting, by combining incremental rotary encoder and connection
Study operating when power supply, becomes the system structure of less expensive.
Embodiment 2.
Next, being illustrated to embodiments of the present invention 2.In the embodiment 1, conflict safety fills between preventing car
It sets the 57, the 1st control unit 51 and the 2nd control unit 54 calculates separately velocity mode 313A, 313B.In contrast, in embodiment 2
In, a control unit is that the 2nd control unit 54 does not calculate velocity mode herein.Moreover, by another control unit, here it is
In the case that 1st control unit 51 detects that exception is close, simultaneously with the reply in the 1st control unit 51, the 2nd control unit 54 is also adopted
Take identical reply.In addition, the reply in the safety device 57 that conflicts also carrying out preventing car between 2 cars simultaneously.As a result, can
Enough prevent the conflict between the 1st car 2 and the 2nd car 4.
In addition, only making conflict safety device 57 between preventing car that there is velocity mode 313A, 313B, in extremely close feelings
Under condition, by executing management/drive control circuit portion 52,55 and preventing the finger of the reply between car in conflict safety device 57
It enables, can also prevent from conflicting.
In this way, only by preventing one between car in conflict safety device 57, the 1st control unit 51 and the 2nd control unit 54
Divide and to carry out operation to velocity mode 313A, 313B, i.e., carries out the device of the calculating of velocity mode 313A, 313B by reduction,
Thereby, it is possible to mitigate the load of the rewriting of software and hardware.
Embodiment 3.
Next, being illustrated to embodiments of the present invention 3.In embodiment 3, by by the terminal part of hoistway 1
It is regarded as stopped other side's car, the method prevented that can also will conflict between embodiment 1,2 cars is forced as end floor
Deceleration device is used.That is, by the method that prevents of conflicting between car sensor structure and program expand to for well
The conflict of road terminal part prevents security system.
In this way, being used as end floor forced reduction apparatus by the method prevented that will conflict between car to utilize, can make
For preventing the sensor structure to conflict between car and program and being used to prevent the sensor structure to conflict to hoistway terminal part
It is common with program, to simplify structure.
In addition, in such end floor forced reduction apparatus, it can set with car position and change excessive
Velocity measuring grade, that is, can be set in the car deceleration interval of hoistway terminal part, be continuously reduced towards hoistway terminal part
Excessive speeds detection level.Furthermore it is possible to using the existing program in order to be developed for end floor forced reduction apparatus, hold
It changes places and generates program for preventing from conflicting between car.
In addition, smaller exclusive region can avoid conflict and car need not be made to slow down because abnormal close, so as to
Prevent service from declining.But, it is also considered that it needs such as the case where lower structure：Stop in car in the case where a side is extremely close
Structure with allowance before.Herein, for example, as shown in figure 13, exclusive region+offset can be set as following distance：Root
Slowed down using brake according to the absolute position of other side's car and the state of absolute velocity, but later there are still exception, from
And export emergent stopping trigger signal, enabling the distance stopped by counterweight emergency braking device.
In addition, as shown in figure 14, exclusive region+offset can also be set as following distance：According to the exhausted of other side's car
Slow down at once to the state of position and absolute velocity, there are still exceptions later, and then are slowed down by brake, but
Exception is still remained later, to export emergent stopping trigger signal, enabling stop by counterweight emergency braking device
Distance.
In fig. 13 it is shown that velocity variations when curve 317B plays brake operation from " certain position and speed " 303B
An example until 316B.In addition, curve 318B shows following an example：In this state there are still exception, output promptly stops
The trigger signal of locking apparatus, as the velocity variations of the 2nd car 4 caused by counterweight emergency braking device 35 to curve 304B
Until.
In fig. 14, there is the deceleration curve 319B, curve 320B of the control system from " certain position and speed " 303B
Velocity variations when showing the exception that the deceleration curve 319B there are the control system cannot be coped with, and reaching brake operation
An example of 316B.In addition, curve 321B shows following an example：There are still exception, output emergent stopping dresses in this state
The trigger signal set, the arrival curve 304B as the velocity variations of the 2nd car 4 caused by counterweight emergency braking device 35.
In addition, exclusive region can be determined, but also may be used as the methods of Fig. 4, Figure 13, Figure 14 by gradually calculating
To be used with reference to pre-determined memory table.In addition it is also possible to which the specified value of desirable maximum value will have been used to be used as row
His region.
In addition, in the above example, 2 cars 2,4 are provided in public hoistway 1 but it is also possible to be being provided with 3
The elevator of above car.
In addition, more unlimited than the layout of mode and equipment (traction machine, counterweight, sensor class etc.) with the relevant wiring of each car
In structure shown in FIG. 1.
In addition, brake gear is not limited to traction machine brake 10,12, for example, it can be on car 2,4
Car brake or the wire stopper etc. that suspension unit 14,16 is clamped.
Claims (2)
1. a kind of more Lift car type elevators, wherein more Lift car type elevators have：
Multiple cars, they are arranged in public hoistway；
Multiple control units, they control the operation of the corresponding car；And
Prevent the safety device that conflicts between car, connect with the control unit, monitor the car each other and have it is without exception close,
When 2 neighbouring cars in setting the car is the 1st car and 2 cars,
With exception can be directed to, with the absolute velocity of the 2nd car accordingly make the 2nd car stop at a distance from and not
The region that the 1st car enters is allowed to be set to the exclusive region of the 2nd car,
From the absolute position of the front end of the 2nd car in the 1st car direction, towards before the 1st car direction
Absolute position obtained from distance more than into the exclusive region of the 2nd car is set to the stopping of the 1st car
Extreme position,
It is set with and periodically detects extremely close multiple threshold values, enable to that the 1st car is made to slow down and stop at
Before the stopping extreme position of 1st car,
With exception can be directed to, with the absolute velocity of the 1st car accordingly make the 1st car stop at a distance from and not
The region that the 2nd car enters is allowed to be set to the exclusive region of the 1st car,
From the absolute position of the front end of the 1st car in the 2nd car direction, towards before the 2nd car direction
Absolute position obtained from distance more than into the exclusive region of the 1st car is set to the stopping of the 2nd car
Extreme position,
It is set with and periodically detects extremely close multiple threshold values, enable to that the 2nd car is made to slow down and stop at
Before the stopping extreme position of 2nd car.
2. a kind of more Lift car type elevators, wherein more Lift car type elevators have：
Multiple cars, they are arranged in public hoistway；
Multiple control units, they control the operation of the corresponding car；And
Prevent the safety device that conflicts between car, connect with the control unit, monitor the car each other and have it is without exception close,
When 2 neighbouring cars in setting the car is the 1st car and 2 cars,
With exception can be directed to, with the absolute velocity of the 2nd car accordingly make the 2nd car stop at a distance from and not
The region that the 1st car enters is allowed to be set to the exclusive region of the 2nd car,
From the absolute position of the front end of the 2nd car in the 1st car direction, towards before the 1st car direction
Absolute position obtained from distance more than into the exclusive region of the 2nd car is set to the stopping of the 1st car
Extreme position,
It is set with and periodically detects extremely close multiple threshold values, enable to that the 1st car is made to slow down and stop at
Before the stopping extreme position of 1st car,
In the case where detecting the 1st car close 2 car extremely, to the 1st car and the 2nd car
Take identical reply.
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| CN201610701049.9A CN106144852B (en) | 2012-04-16 | 2012-04-16 | More Lift car type elevators |
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| CN201280072399.3A CN104245557B (en) | 2012-04-16 | 2012-04-16 | Many Lift car type elevator |
| CN201610701049.9A CN106144852B (en) | 2012-04-16 | 2012-04-16 | More Lift car type elevators |
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| CN201280072399.3A Division CN104245557B (en) | 2012-04-16 | 2012-04-16 | Many Lift car type elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065639A (en) * | 1991-04-12 | 1992-10-28 | 三菱电机株式会社 | The method of control elevator |
| EP0769469A1 (en) * | 1995-10-17 | 1997-04-23 | Inventio Ag | Safety device for multi-mobile elevator groups |
| CN101137570A (en) * | 2005-03-05 | 2008-03-05 | 蒂森克虏伯电梯股份有限公司 | Elevator installation |
| JP4086565B2 (en) * | 2001-07-06 | 2008-05-14 | 三菱電機株式会社 | Operation control system for single-shaft multi-car elevator system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006290575A (en) * | 2005-04-13 | 2006-10-26 | Otis Elevator Co | Elevator device |
| EP2197744A2 (en) * | 2007-09-18 | 2010-06-23 | Otis Elevator Company | Multiple car hoistway including car separation control |
-
2012
- 2012-04-16 CN CN201610701049.9A patent/CN106144852B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065639A (en) * | 1991-04-12 | 1992-10-28 | 三菱电机株式会社 | The method of control elevator |
| EP0769469A1 (en) * | 1995-10-17 | 1997-04-23 | Inventio Ag | Safety device for multi-mobile elevator groups |
| JP4086565B2 (en) * | 2001-07-06 | 2008-05-14 | 三菱電機株式会社 | Operation control system for single-shaft multi-car elevator system |
| CN101137570A (en) * | 2005-03-05 | 2008-03-05 | 蒂森克虏伯电梯股份有限公司 | Elevator installation |
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