CN106144852A - Many Lift car type elevator - Google Patents
Many Lift car type elevator Download PDFInfo
- Publication number
- CN106144852A CN106144852A CN201610701049.9A CN201610701049A CN106144852A CN 106144852 A CN106144852 A CN 106144852A CN 201610701049 A CN201610701049 A CN 201610701049A CN 106144852 A CN106144852 A CN 106144852A
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- Prior art keywords
- car
- stopping
- make
- speed
- exception
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Classifications
-
- 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 many Lift car type elevator are provided, neighbouring 2 car in setting multiple car is as the 1st car and the 2nd car (2, 4) time, the exclusive region (302B) of the 2nd car can be set as with the abnormal distance that make the 2nd car (4) stop accordingly and the region not allowing the 1st car (2) to enter by having, distance more than exclusive region (302B) of having been advanced in direction towards the 1st car (2) from the absolute position of the front end on the direction by the 1st car (2) of the 2nd car (4) and the absolute position that obtains are set as the stopping extreme position (301A) of the 1st car, set the abnormal close multiple threshold values of periodically detection, before enabling to make the 1st car (2) slow down and stop at the stopping extreme position (301A) of the 1st car.
Description
The application is the application for a patent for invention (applying date: April 16 in 2012 of original bill Application No. 201280072399.3
Day, denomination of invention: many Lift car type elevator) divisional application.
Technical field
The present invention relates to be provided with many Lift car type elevator of multiple car in public hoistway.
Background technology
In existing many Lift car type elevator, calculate the 1st car speed, from the distance of the 1st car to the 2nd car and
Depend on risk distance and the minimum range of the speed of the 1st car.Further, the distance away from the 2nd car be risk distance with
Time lower, make the 1st car emergent stopping by safety device.Additionally, when the distance away from the 2nd car is below minimum range, make
The emergency braking device work of the 1st car.Additionally, risk distance sets according to emergent stopping working curve, minimum range
It is working curve according to emergency braking device (for example, referring to the patent documentation 1) that set.
Additionally, in other many Lift car type elevator existing, according to the 2nd car and the relative position of the 1st car, determine
The 1st hypervelocity benchmark relevant to the 1st car and the 2nd hypervelocity benchmark.Additionally, detection relative relative to the 2nd car of the 1st car
Speed, the benchmark that exceeds the speed limit relative velocity and the 1st hypervelocity benchmark and the 2nd compares.Further, at relative velocity more than the 1st hypervelocity
During benchmark, make traction machine brake work, when relative velocity is more than the 2nd hypervelocity benchmark, make emergency braking device work (example
As, with reference to patent documentation 2).
Citation
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Application Publication 2008-531436 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2009-256109 publication
Summary of the invention
The problem that invention is to be solved
In the elevator shown in patent documentation 1, in the case of selecting according to operating deceleration curve to stop, needing relatively
Under big inter-car distance, detection is abnormal, makes car slow down, thus causes service to decline.
Additionally, in the elevator shown in patent documentation 2, use the relative position between the 1st car and the 2nd car and relative speed
Degree constructs algorithm.Therefore, the 1st car and the 2nd car close to time, it is possible to use this method, but advancing in the same direction
Time, need the car making side to stop, having problems on servicing.
The present invention completes to solve problem as described above, it is intended that obtain a kind of many car types electricity
Ladder, it not only can prevent service decline but also more reliably prevent car conflict each other by simple structure.
Means for solving the above
In the many Lift car type elevator of one of the present invention, having: multiple cars, they are arranged in public hoistway；Many
Individual control portion, they control the operation of corresponding described car；And the safety device that prevents from conflicting between car, itself and described control
Portion connects, and monitors that described car has each other without exception close, and neighbouring 2 car in setting described car is as the 1st sedan-chair
When railway carriage or compartment and 2 car, have and described 2nd car can be made for exception accordingly to stop with the absolute velocity of described 2nd car
Distance and the region that do not allows described 1st car to enter be set to the exclusive region of described 2nd car, from described 2nd sedan-chair
The absolute position by the front end in described 1st car direction in railway carriage or compartment is risen, advanced described 2nd car towards described 1st car direction
Exclusive region more than distance and the absolute position that obtains is set to the stopping extreme position of described 1st car, be set with
Periodically the abnormal close multiple threshold values of detection, enable to make described 1st car slow down and stop at described 1st car
Stopping extreme position before, have and can make described 1st sedan-chair for exception accordingly with the absolute velocity of described 1st car
Distance that railway carriage or compartment stops and the region not allowing described 2nd car to enter are set to the exclusive region of described 1st car, from described
The absolute position by the front end in described 2nd car direction of the 1st car rises, advanced the described 1st towards described 2nd car direction
More than the exclusive region of car distance and the absolute position that obtains are set to the stopping extreme position of described 2nd car, if
Surely there are the abnormal close multiple threshold values of periodically detection, enable to make described 2nd car slow down and stop at the described 2nd
Before the stopping extreme position of car.
In the many Lift car type elevator of another kind of the present invention, having: multiple cars, they are arranged in public hoistway；
Multiple control portions, they control the operation of corresponding described car；And the safety device that prevents from conflicting between car, itself and described control
Portion processed connects, and monitors that described car has each other without exception close, and neighbouring 2 car in setting described car is as the 1st
When car and 2 car, have and described 2nd car can be made for exception accordingly to stop with the absolute velocity of described 2nd car
Distance only and the region not allowing described 1st car to enter are set to the exclusive region of described 2nd car, from the described 2nd
The absolute position by the front end in described 1st car direction of car is risen, advanced described 2nd sedan-chair towards described 1st car direction
More than the exclusive region in railway carriage or compartment distance and the absolute position that obtains are set to the stopping extreme position of described 1st car, set
There are the abnormal close multiple threshold values of periodically detection, enable to make described 1st car slow down and stop at described 1st sedan-chair
Before the stopping extreme position in railway carriage or compartment, detecting that described 1st car is abnormal in the case of described 2nd car, to the described 1st
Car and described 2nd car take identical reply.
Invention effect
Many Lift car type elevator according to the present invention, it is possible to by simple structure, had not only prevented service decline but also more
It is reliably prevented car conflict each other.
Accompanying drawing explanation
Fig. 1 is the structure chart of the many Lift car type elevator illustrating embodiments of the present invention 1.
Fig. 2 is the block diagram of the control system of the elevator illustrating Fig. 1.
Fig. 3 is the explanatory diagram in the exclusive region stopping extreme position and the 2nd car of the 1st car illustrating Fig. 1.
Fig. 4 is the curve chart of an example of the determining method in the exclusive region illustrating Fig. 3.
Fig. 5 is to illustrate to make the 1st car of Fig. 3 stop before stopping extreme position, and in the 1st control portion, the 2nd control
Conflict between car the curve chart of the velocity mode set in safety device for portion and preventing.
Fig. 6 be 2 cars being shown in hoistway close to time, the 1st in the case of normal condition becomes abnormality
The timing variations stopping extreme position stopping extreme position and the 2nd car and the continuous threshold value having for slowing down of car
The curve chart of the timing variations of the 1st velocity mode and the 2nd velocity mode.
Fig. 7 be shown in the 1st car and the 2nd car abnormal the most close in the case of, by the 1st control portion and the 2nd control portion
Make the curve chart of the action that car stops.
Fig. 8 is the song of the action illustrating the 1st car and the 2nd car in the case of the state of Fig. 7 is the most close further
Line chart.
Fig. 9 is the song of the action illustrating the 1st car and the 2nd car in the case of the state of Fig. 8 is the most close further
Line chart.
Figure 10 is to illustrate that the 1st management/driving control circuit portion of Fig. 2 and the car in the 2nd management/driving control circuit portion connect
The flow chart of nearly supervision action.
Figure 11 be illustrate Fig. 2 prevent conflict the car of safety device between car close to the flow chart of supervision action.
Figure 12 is to be shown in the case of the 1st car stops or in the case of advancing towards the direction away from the 2nd car
The curve chart of the determining method stopping extreme position of the 2nd car.
Figure 13 is the curve chart of another example of the determining method illustrating exclusive region.
Figure 14 is the curve chart of the another example of the determining method illustrating exclusive region.
Detailed description of the invention
Hereinafter, referring to the drawings, the mode being used for implementing the present invention is illustrated.
Embodiment 1.
Fig. 1 is the structure chart of the many Lift car type elevator illustrating embodiments of the present invention 1.In the drawings, at public hoistway 1
In, it is provided with the 1st car (upper car) 2 1st counterweights 3,2nd car (lower car) 4 corresponding with the 1st car 2 and with the 2nd
2nd counterweight 5 of car 4 correspondence.1st car 2 is arranged on the top (surface) of the 2nd car 4.
On the top of hoistway 1, it is provided with machine room 6.In machine room 6, it is provided with and makes the 1st car the 2 and the 1st counterweight 3 lifting
1st traction machine 7 and make the 2nd car the 4 and the 2nd counterweight 5 lifting the 2nd traction machine 8.1st car the 2 and the 2nd car 4 respectively by
Traction machine 7,8 and independently in hoistway 1 lift.
In hoistway 1, it is provided with a pair car guide rail (not shown) of the lifting guiding the 1st car the 2 and the 2nd car 4, draws
A pair the 1st counter weight guide tracks (not shown) leading the lifting of the 1st counterweight 3 and a pair the 2nd counterweights of the lifting guiding the 2nd counterweight 5
Guide rail (not shown).
1st traction machine 7 has the 1st driving rope sheave 9, the 1st motor (not shown) and the 1st making the 1st driving rope sheave 9 rotate
Traction machine brake 10, wherein, the 1st traction machine brake 10 is the braking dress driving the rotation of rope sheave 9 to be braked to the 1st
Put.
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 driving the rotation of rope sheave 11 to be braked to the 2nd
Dynamic device.
Drive on rope sheave the 9 and the 1st deflector sheave 13 the 1st, around hanging with the 1st suspension unit 14.1st car the 2 and the 1st counterweight 3
Hang in hoistway 1 by means of the 1st suspension unit 14.Drive on rope sheave the 11 and the 2nd deflector sheave 15 the 2nd, around hanging with the 2nd suspension
Unit 16.2nd car the 4 and the 2nd counterweight 5 is hung in hoistway 1 by means of the 2nd suspension unit 16.
As the 1st suspension unit 14, such as, employ many ropes or multi-ribbon.Additionally, in this example embodiment, with 1:1 around
Rope hangs the 1st car the 2 and the 1st counterweight 3 than mode.
As the 2nd suspension unit 16, such as, employ many ropes or multi-ribbon.Additionally, in this example embodiment, with 2:1 around
Rope hangs the 2nd car the 4 and the 2nd counterweight 5 than mode.
On the 1st car 2, it is provided with mechanically to block with car guide rail and incompatible makes the 1st car 2 emergent stopping the 1st sedan-chair
Railway carriage or compartment emergency braking device 17.On the 2nd car 4, it is provided with mechanically to block with car guide rail and incompatible makes the 2nd car 4 urgent
The 2nd car emergency braking device 18 stopped.
In machine room 6, it is provided with the 1st car limiter of speed 19 of the hypervelocity of detection the 1st car 2 and the super of detection the 2nd car 4
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 ring-type for no reason
The 1st overspeed governor 22.In the bottom of hoistway 1, it is provided with the 1st regulating wheel 23 that the 1st overspeed governor 22 is applied tension force.
A part for 1st overspeed governor 22 is connected with the 1st car 2.Thus, the 1st overspeed governor 22 is along with the 1st car
The lifting of 2 and loopy moving, make the 1st governor sheave 21 rotate with the 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 ring-type for no reason
The 2nd overspeed governor 25.In the bottom of hoistway 1, it is provided with the 2nd regulating wheel 26 that the 2nd overspeed governor 25 is applied tension force.
A part for 2nd overspeed governor 25 is connected with the 2nd car 4.Thus, the 2nd overspeed governor 25 is along with the 2nd car
The lifting of 4 and loopy moving, make the 2nd governor sheave 24 rotate with the speed corresponding with the speed of the 2nd car 4.
On the 1st car limiter of speed 19, being provided with the 1st encoder 27 as the 1st speed detector, it produces and the 1st
The signal rotating correspondence 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, it produces the signal corresponding with the rotation of the 2nd governor sheave 24.Employ incremental rotary encoder to be used as
1st encoder the 27 and the 2nd encoder 28.
When the rotary speed of the 1st governor sheave 21 exceedes speed set in advance, the 1st car limiter of speed 19 is with machinery
Mode clamps the 1st overspeed governor 22.Additionally, the 1st car limiter of speed 19 is provided with car overspeed governor clamping device 29, should
Car overspeed governor clamping device 29 clamps the 1st overspeed governor 22 according to from outside electric command signal.
When making the 1st car 2 decline when clamping the 1st overspeed governor 22, the 1st car emergency braking device 17 work
Make, make the 1st car 2 emergent stopping.Thus, the traveling of the 1st car 2 excessive speeds when declining is prevented.Additionally, by right
Car overspeed governor clamping device 29 gives electricity command signal, it is possible at random makes the decline of the 1st car 2 advance and stops.
When the rotary speed of the 2nd governor sheave 24 exceedes speed set in advance, the 2nd car limiter of speed 20 is with machinery
Mode clamps the 2nd overspeed governor 25.
When making the 2nd car 4 decline when clamping the 2nd overspeed governor 25, the 2nd car emergency braking device 18 work
Make, make the 2nd car 4 emergent stopping.Thus, the traveling of the 2nd car 4 excessive speeds when declining is prevented.
Additionally, in machine room 6, be 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 ring-type counterweight overspeed governor 32 for no reason.In the bottom of hoistway 1, it is oriented right to arrange
Weight overspeed governor 32 applies the counterweight overspeed governor regulating wheel 33 of tension force.
A part for counterweight overspeed governor 32 is connected with the 2nd counterweight 5.Thus, counterweight overspeed governor 32 is along with the 2nd right
Weigh 5 lifting and loopy moving, make counterweight governor sheave 31 rotate with the speed corresponding with the speed of the 2nd counterweight 5.
When the rotary speed of counterweight governor sheave 31 exceedes speed set in advance, counterweight limiter of speed 30 is with machinery side
Formula clamping counterweight overspeed governor 32.Additionally, in counterweight limiter of speed 30, be provided with and come according to from outside electric command signal
The counterweight overspeed governor clamping device 34 of clamping counterweight overspeed governor 32.
On the 2nd counterweight 5, it is provided with and mechanically blocks incompatible the 2nd counterweight 5 emergent stopping made from the 2nd counter weight guide track
Counterweight emergency braking device 35.
When making the 2nd counterweight 5 decline when clamping counterweight overspeed governor 32, counterweight emergency braking device 35 work
Make, make the 2nd counterweight 5 emergent stopping.Thus, the traveling of the 2nd counterweight 5 excessive speeds when declining is prevented.Additionally, by
Counterweight overspeed governor clamping device 34 gives electricity command signal, it is possible at random makes the decline of the 2nd counterweight 5 advance and stops.
That is, the traveling of 2nd car 4 corresponding with the 2nd counterweight 5 excessive speeds when rising is prevented.Furthermore it is possible to appoint
The rising making to meaning the 2nd car 4 is advanced and is stopped.
In addition it is also possible to substitute counterweight limiter of speed 30 and counterweight emergency braking device 35, and it is applied in combination and can stop
The car limiter of speed of the structure that the car excessive speeds when rising is advanced and when rising the emergent stopping of also effective structure
Device.
In the bottom (pit ground) of hoistway 1, it is provided with car buffer the 36, the 1st counterweight buffer the 37 and the 2nd counterweight
Buffer 38.Car buffer 36 prevents at the 2nd car 4 because some is abnormal in the case of bottom of passing by, and the 2nd car 4 collides
Pit ground and produce serious impact.
In the case of the 1st car 2 passes by top layer, the 1st counterweight buffer 37 prevents the 1st car 2 from colliding the top of hoistway 1
Portion.The height at the top of hoistway 1 be consider the 1st car 2 when the 1st counterweight 3 collides 1 counterweight buffer 37 upper momentum and
Design.
In the case of the 2nd car 4 has passed by the uppermost storey in the floor that the 2nd car 4 serviced, the 2nd counterweight buffering
Device 38 prevents the 2nd car 4 from colliding hoistway equipment or the equipment relevant to the 1st car 2.
Near upper end floor in hoistway 1, it is provided with the 1st hoistway switch the 39 and the 2nd top, 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 bottom service floor switch 41.
1st car 2 is provided with the 1st hoistway switch the 39, the 2nd top, top hoistway switch 40 and bottom service floor switch
41 carry out the 1st functional unit (switch drive track) 42 operated.Top hoistway switch 39,40 and bottom service floor switch
41 is closed type switch, and it is opened circuit by the 1st functional unit 42 operation.
When the 1st car 2 rests against top layer, top hoistway switch 39,40 is operated by the 1st functional unit 42 and becomes and open
State.When the 1st car 2 rests against the lowest floor in the floor that the 1st car 2 is serviced, bottom service floor switchs 41 quilts
1st functional unit 42 operates and becomes open mode.
Near lower end floor in hoistway 1, it is provided with the 1st hoistway switch the 43 and the 2nd bottom, bottom 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 is provided with the 1st hoistway switch the 43, the 2nd bottom, bottom hoistway switch 44 and top service floor switch
45 carry out the 2nd functional unit (switch drive track) 46 operated.Bottom hoistway switch 43,44 and top service floor switch
45 is closed type switch, and it is opened circuit by the 2nd functional unit 46 operation.
When the 2nd car 4 rests against bottom, bottom hoistway switch 43,44 is operated by the 2nd functional unit 46 and becomes and open
State.When the 2nd car 4 rests against the uppermost storey in the floor that the 2nd car 4 is serviced, top service floor switchs 45 quilts
2nd functional unit 46 operates and becomes open mode.
Additionally, in the position corresponding with the multiple dock floors in hoistway 1, be respectively arranged with stop layers plate 47.1st car
2 the 1st stop layer sensors 48 being provided with detection stop layers plate 47.1st stop layer sensor 48 detects the 1st car 2 and is positioned at safe energy
Situation in the door region of enough shutter door.
2nd car 4 is provided with the 2nd stop layer sensor 49 of detection stop layers plate 47.2nd stop layer sensor 49 detects the 2nd sedan-chair
Railway carriage or compartment 4 be positioned at safe can the situation in door region of shutter door.
Fig. 2 is the block diagram of the control system of the elevator illustrating Fig. 1.1st control portion 51 has the 1st management/driving and controls electricity
Brake drive circuit portion 53 of road portion the 52 and the 1st.1st management/drive control circuit portion 52 to carry out the fortune relevant to the 1st car 2
Line pipe reason, speed controlling and the open and close controlling etc. of door.1st brake drive circuit portion 53 drives the 1st traction machine brake 10.
2nd control portion 54 has the 2nd management/driving brake drive circuit portion 56 of control circuit portion the 55 and the 2nd.2nd pipe
Reason/drive control circuit portion 55 to carry out the open and close controlling etc. of operational management, speed controlling and the door relevant to the 2nd car 4.2nd
Brake drive circuit portion 56 drives the 2nd traction machine brake 12.
1st control portion 54 of control portion the 51 and the 2nd is connected with preventing conflict safety device 57 between car.Prevent from conflicting between car
Safety device 57 has Security monitoring circuits portion 58, brake driving instruction output circuit portion 59 and emergent stopping drive circuit
Portion 60.Security monitoring circuits portion 58 monitors with or without causing the 1st car 2 and the 1st car 2 of the 2nd car 4 conflict each other and
The exception of 2 cars 4 is close.
Detect the 1st car the 2 and the 2nd car 4 abnormal close to time, brake driving instruction output circuit portion 59 is to the
The output of 1 control portion 54 of control portion the 51 and the 2nd is for making the instruction of brake operation.Emergent stopping drive circuit portion 60 limits to car
Speed device rope clamping device 29 and the instruction of counterweight overspeed governor clamping device 34 output clamping overspeed governor 22,32.
1st management/drive control circuit portion the 52 and the 2nd management/driving control circuit portion 55 to be enter to from the 1st encoder
The detection signal of the 27 and the 2nd encoder 28, represents 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 to use these input signals, the 1st car the 2 and the 2nd sedan-chair in detection hoistway 1
The absolute position in railway carriage or compartment 4.Though additionally, not figure 1 illustrates, management/drive control circuit portion 52,55 be also input into from
The calling signal of passenger and the requirement from upkeep operation personnel are switched to safeguard the switching request signal etc. of operating.
Export for the 1st speed command signal of traction machine 7 and beating of door from the 1st management/driving control circuit portion 52
Open command signal etc..Equally, the speed command signal for the 2nd traction machine 8 is exported from the 2nd management/driving control circuit portion 55
And the OPEN signal etc. of door.
1st brake drive circuit portion 56 of brake drive circuit portion the 53 and the 2nd is enter to from preventing conflict between car
Safety device 57 and the anomaly detection signal of other safety device (not shown).1st brake drive circuit portion 53 is receiving
During anomaly detection signal, make the command signal of the 1st traction machine brake 10 work to the 1st traction machine 7 output.Equally, the 2nd braking
Device drive circuit portion 56, when receiving anomaly detection signal, makes the 2nd traction machine brake 12 work to the 2nd traction machine 8 output
Command signal.
Security monitoring circuits portion 58 is enter to the detection signal from the 1st encoder the 27 and the 2nd encoder 28, represents hoistway
The signal of the state of switch 39,40,41,43,44,45 and the detection signal of stop layer sensor 48,49.Hoistway is utilized to switch
39,40,41,43,44,45 and stop layer sensor 48,49 detect the discrete absolute position of car, and utilize the 1st to encode
Device the 27 and the 2nd encoder 28 carries out interpolation arithmetic to discrete car location information, thus, detects the absolute position of continuous print car
Put.
Security monitoring circuits portion 58 uses these input signals, the speed of detection the 1st car the 2 and the 2nd car 4 and hoistway
The absolute position of the 1st car the 2 and the 2nd car 4 in 1.
Additionally, the 1st control portion 54 of control portion the 51 and the 2nd and prevent between car conflict safety device 57 can be respectively by solely
Vertical computer is constituted.
Additionally, in this example, in order to utilize management/driving control circuit portion 52,55 and Security monitoring circuits portion 58
Detect the absolute position of the 1st car the 2 and the 2nd car 4, employ incremental rotary encoder, hoistway switch and stop layers and pass
The combination of sensor but it also may use absolute type encoder.
Described below prevent between car conflict safety device 57 process.Fig. 3 is the stopping pole of the 1st car 2 illustrating Fig. 1
The explanatory diagram 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 this position
The position before stopped.Additionally, exclusive region is defined as the region not allowing other car to enter, though be decided to be car 2,
4 there is distance abnormal, also be able to stopping by some correspondence respectively.
In figure 3, the stopping extreme position of the 1st car 2 is decided to be 301A.Additionally, according to the absolute position of the 2nd car 4
And absolute velocity, calculate exclusive region 302B and side-play amount 306B of the 2nd car 4, determine the stopping pole of the 1st car 2
Extreme position 301A.Owing to the 2nd car 4 moves, the amount that this stopping extreme position 301A is as time process and changes continuously, row
He region 302B is also the amount changed continuously with side-play amount 306B sum.
But, side-play amount 306B can also be fixed value.
Additionally, the stopping extreme position 301B of the 2nd car 4 is the exclusive region 302A according to the 1st car 2 and side-play amount
306A determines, wherein, the exclusive region 302A of the 1st car 2 is the absolute position according to the 1st car 2 and absolute velocity
Obtain.
It follows that the details of the determining method in exclusive region is illustrated.Fig. 4 is the exclusive region illustrating Fig. 3
The curve chart of an example of determining method.The exclusive region of the 2nd car 4 employs in " certain position shown in the 303B of Fig. 4
And speed " time output emergent stopping trigger signal and calculate to can distance corresponding stopping.
In " certain position and speed " 303B, as " certain position ", employ the 2nd car 4 front end in the 1st car 2 side
Absolute position.Additionally, " certain speed " is and the absolute velocity of the 2nd car 4 on the 1st car 2 direction of closing.
Equally, in " certain position and the speed " 303A when determining the exclusive region of the 1st car 2, as " certain position ", make
With the 1st car 2 in the absolute position of the front end of the 2nd car 4 side.Additionally, " certain speed " be with on the 2nd car 4 direction of closing
The absolute velocity of the 1st car 2.
The curve 304B of Fig. 4 shows that outputing emergent stopping at " certain position and speed " 303B triggers the situation of signal
Under the velocity variations of the 2nd car 4 caused by counterweight emergency braking device 35.Additionally, curve 305B shows from " certain position
And speed " 303B play till curve 304B state change an example.Further, will be to the state of " certain position and speed " 303B
Under the 2nd car 4 stop according to the velocity variations shown in curve 304B till distance be set to exclusive region 302B.
Additionally, the temporal action that exclusive region is set as comprising counterweight emergency braking device 35 postpones and/or slows down
The value of the difference of degree.And, by the exclusive region 302B that advanced from the front position on the direct of travel of the 2nd car 4 with inclined
Position after the amount that shifting amount 306B is added and obtains is set to the stopping extreme position 301A of the 1st car 2.Side-play amount 306B be in order to
The value avoiding 2 cars 2,4 to stop the lucky contact condition for adjoining one another and to set, is the numerical value bigger than 0.Additionally, make the 1st
The triggering signal of car emergency braking device 17 work exports from the 1st car limiter of speed 19.
The 1st control portion 54 of control portion the 51, the 2nd and the safety device 57 that prevents from conflicting between car is determined by the mode of Fig. 5
Coping style, so that the 1st car 2 can slow down stops at the stopping extreme position of above-mentioned the 1st car 2 determined
Before 301A.
Herein, in management/driving control circuit portion 52,55, it is set with the speed in the generally deceleration shown in curve 307A
Degree change and the forced deceleration shown in curve 308A/exception proximity test threshold value.Additionally, it is abnormal at the 1st car the 2 and the 2nd car 4
Close and prevent between car conflict safety device 57 going out exception according to the abnormal proximity test threshold test shown in curve 309A
And in the case of making brake operation, become the velocity variations during brake operation shown in curve 310A, according to curve
In the case of emergent stopping operation threshold shown in 311A detects that exception carries out emergent stopping work, it is set to curve 312A institute
Velocity variations during the emergent stopping work shown.
In these curves, first, the speed during emergent stopping work as the velocity variations under the conditions of worst is determined
Degree change 312A, enables to be slowed down by emergency braking device 17 and stop at the stopping extreme position of the 1st car 2
301A.It follows that in order to realize this velocity variations, it is considered to action time delay, the amount of slip of overspeed governor clamping device 29
Size and the deceleration of emergency braking device 17, determine emergent stopping operation threshold 311A, be used as exporting make urgent
The threshold value triggering signal of arresting stop 17 work.
Additionally, so that with the emergent stopping Uncrossed mode of operation threshold 311A, determine speed during brake operation
Degree change 310A.Further, in order to form such velocity variations, it is considered to action time delay, distance and traction machine brake
The deceleration of 10, determines abnormal proximity test threshold value 309A.
Additionally, so that with the abnormal Uncrossed mode of proximity test threshold value 309A, determine management/drive control circuit
Forced deceleration in portion 52/exception proximity test threshold value 308A.Finally, determine velocity variations 307A in generally slowing down, with
Become such forced deceleration/exception proximity test threshold value 308A.
Such 307A～312A relevant to the 1st car 2 is referred to as the 1st velocity mode 313A.Additionally, same, will
307B～312B relevant to the 2nd car 4 is referred to as the 2nd velocity mode 313B.Further, prevent from conflicting between car safety device
57, the 1st control portion 54 of control portion the 51 and the 2nd each calculates velocity mode 313A and velocity mode 313B.
Fig. 6 shows: 2 cars 2,4 in hoistway 1 close to time, in the case of normal condition becomes abnormality
The stopping extreme position 301A of the 1st car 2 and the timing variations of stopping extreme position 301B of the 2nd car 4 and have for
1st velocity mode 313A of the continuous threshold value slowed down and the timing variations of the 2nd velocity mode 313B.Additionally, in figure 6, the longitudinal axis
Illustrating the position of car 2,4, transverse axis shows the 1st car the 2 and the 2nd car 4 speed on direction of closing.
Two cars 2,4 over time through and abnormal the most close in the case of, with the absolute position of car 2,4 and absolute speed
Accordingly, the stopping extreme position 301A of the 1st car 2 connects degree close to the 1st car 2, the stopping extreme position 301B of the 2nd car 4
Nearly 2nd car 4.Further, along with its stop extreme position movement, the 1st velocity mode 313A close to the 1st car 2, the 2nd speed
Pattern 313B is close to the 2nd car 4.
The forced deceleration comprised in " certain position and speed " 303A of the 1st car 2 is more than the 1st velocity mode 313A/different
During very close to detection threshold value 308A, abnormal proximity test threshold value 309A or emergent stopping operation threshold 311A, the 1st car 2 is made to subtract
Speed also stops.Additionally, the pressure comprised 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, abnormal proximity test threshold value 309B or emergent stopping operation threshold 311B, make the 2nd sedan-chair
Slow down and stop in railway carriage or compartment 4.
Now, the 1st control portion 54 of control portion the 51 and the 2nd uses the 1st velocity mode 313A and the 2nd velocity mode 313B respectively
Result of calculation tackle.As it is shown in fig. 7, respectively according to respective abnormal proximity test threshold value 308A and abnormal proximity test
Threshold value 308B is being judged as exception in the case of the 2nd car 4 side, the 1st car 2 side, by management/driving control circuit portion
52,55 make car 2,4 slow down forcibly, make car 2,4 stop before clashing.
Velocity mode 313A, 313B is calculated by the 1st control portion 54 of control portion the 51 and the 2nd in addition it is also possible to substitute, and
The situation exceeding threshold value the instruction that control portion 51,54 is sent deceleration is detected by preventing conflict safety device 57 between car.
Velocity mode 313A, 313B is calculated by the 1st control portion 54 of control portion the 51 and the 2nd in addition it is also possible to substitute, and
Take to tackle as follows.First, in the 1st control portion 51, calculate velocity variations 307A in generally slowing down and forced deceleration/different
Very close to detection threshold value 308A, abnormal close to time, make the 1st car 2 slow down.Additionally, in the 2nd control portion 54, calculate logical
Velocity variations 307B in often slowing down and forced deceleration/exception proximity test threshold value 308B, detect exception close to time, make the
2 cars 4 slow down.Further abnormal the most close in the case of, conflict in safety device 57 between car preventing, calculate abnormal connecing
Nearly detection threshold value 309A, 309B, in the case of exceeding these threshold values, make brake operation.In the most abnormal close feelings
Under condition, conflict in safety device 57 between car preventing, calculate emergent stopping operation threshold 311A, 311B, exceeding these
In the case of threshold value, emergent stopping is made to work.
Car 2,4 each other further in the case of, prevent between car conflict safety device 57 operating speed pattern
The result of calculation of 313A, 313B is tackled.As shown in Figure 8, abnormal proximity test threshold value 309A, the situation of 309B are being exceeded
Under, it is judged that for exception, make car 2,4 slow down according to velocity variations 310A during brake operation, 310B.
As it is shown in figure 9, still suffer from when even if such reply is abnormal, car 2,4 each other further to and exceed and promptly stop
Only during operation threshold 311A, 311B, determine whether as existing abnormal, velocity variations 312A when working according to emergent stopping,
312B and make car 2,4 slow down.
If the reply to depositing in an exceptional case arranges, then Figure 10 is management/driving control circuit portion 52,55
In reply flow process, even if Figure 11 is the reply flow process in the case of so reply is the most close.
Figure 10 is the sedan-chair in the 1st management/driving control circuit portion the 52 and the 2nd management/driving control circuit portion 55 illustrating Fig. 2
Railway carriage or compartment is close to the flow chart of supervision action.Management/drive control circuit portion 52,55 repeatedly to perform the process of Figure 10 with specified period.
In management/drive the car in control circuit portion 52,55 close in supervision action, first calculate the stopping limit of two cars 2,4
Position (step S1).Next, it is determined whether be the speed (step S2) close with the other side's car.If not with the other side's car
Close speed, then terminate this and process.
In the case of being the speed close with the other side's car, determine the forced deceleration/exception under usual control system
Proximity test threshold value (step S3).And then, it is determined that whether current location is bordering on forced deceleration/exception proximity test away from the other side's car
Threshold value (step S4).If not being bordering on forced deceleration/exception proximity test threshold value away from the other side's car, then terminate this and process.
In the case of being bordering on forced deceleration/exception proximity test threshold value away from the other side's car, output forced deceleration instruction (step
Rapid S5), it is determined that whether car 2,4 stops (step S6).Then, output low speed automatically goes to the row of the nearest floor passed through
Enter instruction (step S7).That is, make car 2,4 move towards the nearest floor of car 2,4 side away from each other, be therefore prevented from being stranded passenger
In car 2,4.Further, after car 2,4 stops (step S8), end processes.
Figure 11 is to illustrate that preventing shown in Fig. 2 conflicts the car of safety device 57 close to the flow process of supervision action between car
Figure.Prevent conflict safety device 57 between car from repeatedly performing the process of Figure 11 with specified period.Preventing from conflicting between car safety
The car of device 57, close in supervision action, first, calculates the stopping extreme position (step S11) of two cars 2,4.Connect down
Come, determine abnormal proximity test threshold value (step S12).
Then, it is determined that whether be bordering on abnormal proximity test threshold value (step S13) away from the other side's car.If away from the other side's car also
It is not bordering on abnormal proximity test threshold value, then terminates this and process.In the situation being bordering on abnormal proximity test threshold value away from the other side's car
Under, output brake work order (step S14).Then, it is determined that whether be bordering on emergent stopping activation threshold value (step away from the other side's car
Rapid S15).Further, when being bordering on emergent stopping activation threshold value away from the other side's car, output emergent stopping work order (step S16).
Additionally, the reply of the reply of Figure 10 and Figure 11 is independent of one another, the action of the safety device 57 that prevents from conflicting between car is not
The impact in managed/driving control circuit portion 52,55.
By method as described above, the 1st car 2 and the 2nd car 4 because occur certain abnormal and close in the case of,
This exception can be detected according to the absolute position of the 1st car the 2 and the 2nd car 4 and absolute velocity, and by management/driving control
Circuit part 52,55 processed and prevent between car conflict safety device 57 make car slow down and stop.
It is subsequently assumed that in the case of the 1st car 2 stops or in the case of advancing towards the direction away from the 2nd car 4
Occur abnormal, the 1st car the 2 and the 2nd car 4 become exception close to time, the 1st car 2 is after direct of travel temporarily ceases, towards negative side
To movement.Therefore, as shown in figure 12, it is assumed that be 0 with the rightabout speed of direct of travel of the 1st car 2, " certain position is determined
Put and speed " 303A.Herein, curve 314A shows that outputing emergent stopping at " certain position and speed " 303A triggers signal
In the case of the velocity variations caused by emergency braking device 17.Additionally, curve 315B represents from " certain position and speed "
303B plays an example of the state change till curve 314B.
Additionally, when the 2nd car 4 advancing direction down determines the stopping extreme position 301A of the 1st car 2, also lead to
Cross equal method to carry out.
After determining the stopping extreme position 301B of the 2nd car 4, carry out the most close abnormal detection, make car slow down with
And the method for stopping is identical with embodiment 1.Additionally, after the stopping extreme position determining the 1st car 2, carry out abnormal connecing
Near detection, car is made to slow down and the method that stops is also identical with embodiment 1.
The moving direction of the 1st car 2 has upper direction, stopping, these 3 kinds of lower direction.Additionally, the moving direction of the 2nd car 4 is also
There are upper direction, stopping, these 3 kinds of lower direction.Therefore, the combination of the moving direction of two cars 2,4 has 3 × 3 totally 9 kinds.These 9 kinds all
Can be tackled by any one method in above-mentioned, it is possible to realize management/drive control circuit by identical algorithm
Reply in portion 52,55 or the reply in safety device 57 that prevents from conflicting between car.
Here, in the absolute velocity and/or the situation of absolute position that use incremental rotary encoder to measure car 2,4
Under, and/or need when switching on power to determine initial position when mounted.Accordingly, it would be desirable to carry out for determining initial position
Practise operating.
In the case of having 2 cars 2,4 lifting in hoistway 1, the 1st car 2 on the top being arranged in hoistway 1 is used to use
Top hoistway switch 39,40 and the bottom hoistway switch 43,44 of the 2nd car 4 of bottom that is arranged in hoistway 1, carry out
The study of initial position.When carrying out such study operating, detecting the 1st car progressive feelings in side towards the 2nd car
Under condition, prevent conflict safety device 57 between car to be judged as that exception makes car 2,4 stop, equally, detecting the 2nd car court
In the case of advancing in the direction of the 1st car, conflict safety device 57 between car is prevented to be judged as that exception makes car 2,4 stop.
In addition can also be most to start to make the 2nd car 4 decline, use bottom hoistway switch 43,44 to carry out initial position
Study, then makes the 1st car 2 rise, and uses top hoistway switch 39,40, carries out the study of initial position.Now, at the 2nd sedan-chair
In the study operating in railway carriage or compartment 4, in the case of detecting to advance in the 1st car direction towards the 2nd car, prevent from conflicting between car safety
Device 57 is judged as that exception makes car 2,4 stop, and equally, in the study of the 1st car 2 operates, is detecting the 2nd car court
In the case of advancing in the direction of the 1st car, conflict safety device 57 between car is prevented to be judged as that exception makes car 2,4 stop.
In addition it is also possible to be, most start to make the 2nd car 4 decline, use bottom hoistway switch 43,44 to carry out initial position
Study, then make the 1st car 2 decline, use bottom service floor switch 41 to carry out the study of initial position.In addition, it is possible to
To be, most start to make the 1st car 2 increase, use top hoistway switch 39,40 to carry out the study of initial position, then make the 2nd sedan-chair
Railway carriage or compartment 4 rises, and uses top service floor switch 45 to carry out the study of initial position.So, about the method for study operating, permissible
The various method of selection of configuration according to hoistway switch.
Additionally, have in hoistway 1 more than 3 car lifting in the case of, can be determined in advance each car under
Side rise which, from the car of bottom so that it is decline successively, after finishing the study of car of bottom, from
Car below next rises and learns, and thus carries out the study of whole car.
In addition it is also possible to substitute learn from bottom, and make successively from the car of the top its rise into
Row study.
In addition it is also possible to be, in order to shorten learning time, the top car from the half of car sum is from the top sedan-chair
Railway carriage or compartment proceeds by study, and the lower section car from the half of car sum proceeds by study from bottom car.
According to such many Lift car type elevator, when the 1st car the 2 and the 2nd car 4 is advanced in the same direction, even if forward
The car of Fang Hangjin carries out emergent stopping, it is also possible to realize avoiding such deceleration and stopping of conflicting.
Additionally, when occurring abnormal under shorter inter-car distance, it is possible to automatically determine the coping style preventing conflict,
Therefore, the generation that the car that can either prevent service from deteriorating to greatest extent slows down, it is prevented from again car 2,4 each other
Conflict.
Expensive absolute position transducer is used, by combining incremental rotary encoder and connecting additionally, substitute
Study operating during power supply, becomes the system structure of less expensive.
Embodiment 2.
It follows that embodiments of the present invention 2 are illustrated.In embodiment 1, prevent conflict safety dress between car
The 57, the 1st control portion 54 of control portion the 51 and the 2nd of putting calculates velocity mode 313A, 313B respectively.On the other hand, at embodiment 2
In, control portion, it is that the 2nd control portion 54 does not calculate velocity mode at this.And, by another control portion, be herein
In the case of 1st control portion 51 detects that exception is the most close, with the reply in the 1st control portion 51 simultaneously, the 2nd control portion 54 also adopts
Take identical reply.The reply in safety device 57 additionally, prevent from 2 cars conflicting between car the most simultaneously.Thus, energy
Enough prevent the conflict each other of the 1st car the 2 and the 2nd car 4.
Additionally, only make to prevent conflict safety device 57 between car to have velocity mode 313A, 313B, in the most close abnormal feelings
Under condition, by performing management/driving control circuit portion 52,55 and preventing the finger of the reply conflicted in safety device 57 between car
Order, it is also possible to prevent conflict.
So, only by preventing from conflicting between car one in safety device the 57, the 1st control portion 54 of control portion the 51 and the 2nd
Divide and velocity mode 313A, 313B carried out computing, i.e. carried out the device of the calculating of velocity mode 313A, 313B by minimizing,
Thereby, it is possible to alleviate the rewriting of software and the load of hardware.
Embodiment 3.
It follows that embodiments of the present invention 3 are illustrated.In embodiment 3, by the terminal part by hoistway 1
Regard as the other side's car stopped, it is also possible to the method prevented conflicting between embodiment 1,2 car is forced as end floor
Deceleration device is used.That is, by the sensor construction conflicted between car in the method prevented and extension to for well
The conflict of road terminal part prevents security system.
So, the method by preventing conflicting between car utilizes as end floor forced reduction apparatus, it is possible to make
For prevent between car the sensor construction of conflict and program with for preventing the sensor construction that hoistway terminal part is conflicted
Common with program, thus simplify structure.
Additionally, in such end floor forced reduction apparatus, it is possible to it is excessive that setting changes along with car position
Velocity measuring grade, i.e. can be set in the car of hoistway terminal part slow down interval in, be continuously reduced towards hoistway terminal part
Excessive speeds detection level.Furthermore it is possible to use for the existing program developed for end floor forced reduction apparatus, hold
Change places and generate for preventing the program of conflict between car.
Additionally, less exclusive region is it can be avoided that conflict and need not make car slow down because of abnormal the most close such that it is able to
Prevent service from declining.But, it is also considered that need the situation of following structure: stop at car in the case of a side is the most close
There is the structure of allowance before.Herein, such as, as shown in figure 13, exclusive region+side-play amount can be set as following distance: root
Utilize brake to slow down according to the absolute position of the other side's car and the state of absolute velocity, but still suffer from exception afterwards, from
And export emergent stopping and trigger signal, enabling the distance stopped by counterweight emergency braking device.
Additionally, as shown in figure 14, exclusive region+side-play amount can also be set as following distance: exhausted according to the other side's car
Slowed down at once in position and the state of absolute velocity, still suffer from exception afterwards, and then slowed down by brake, but
The most still there is exception, thus export emergent stopping and trigger signal, enabling stop by counterweight emergency braking device
Distance.
In fig. 13 it is shown that the velocity variations that curve 317B is when " certain position and speed " 303B plays brake operation
An example till 316B.Additionally, curve 318B shows a following example: still suffering from exception in this condition, output promptly stops
The triggering signal of locking apparatus, as the 2nd car 4 caused by counterweight emergency braking device 35 velocity variations and to curve 304B
Till.
In fig. 14, there is the deceleration curve 319B, curve 320B of control system from " certain position and speed " 303B
Show the exception that can not tackle of deceleration curve 319B that there is this control system, and velocity variations when arriving brake operation
One example of 316B.Additionally, curve 321B shows a following example: still suffer from exception, output emergent stopping dress in this condition
The triggering signal put, as the velocity variations of the 2nd car 4 caused by counterweight emergency braking device 35 and arrival curve 304B.
Additionally, exclusive region can determine by gradually calculating, but also may be used as the methods such as Fig. 4, Figure 13, Figure 14
To use with reference to pre-determined memory table.In addition it is also possible to the setting employing desirable maximum to be used as row
His region.
Additionally, in the above example, in public hoistway 1,2 cars 2,4 it are provided with but it also may be provided with 3
The elevator of above car.
Additionally, the wiring relevant to each car does not limits than the layout of mode and equipment (traction machine, counterweight, sensor class etc.)
In the structure shown in Fig. 1.
Additionally, brake gear is not limited to traction machine brake 10,12, for example, it is also possible to be mounted on car 2,4
Car brake or the wire stopper etc. of clamping suspension unit 14,16.
Claims (2)
1. a Lift car type elevator more than, wherein, these many Lift car type elevator have:
Multiple cars, they are arranged in public hoistway；
Multiple control portions, they control the operation of corresponding described car；And
Prevent from conflicting between car safety device, and it is connected with described control portion, monitors that described car has each other without exception close,
When neighbouring 2 car in setting described car is as the 1st car and 2 car,
Have and can make distance that described 2nd car stops and not accordingly with the absolute velocity of described 2nd car for exception
The region allowing described 1st car to enter is set to the exclusive region of described 2nd car,
From the absolute position by the front end in described 1st car direction of described 2nd car, towards before described 1st car direction
The absolute position having entered the distance in more than the exclusive region of described 2nd car and obtain is set to the stopping of described 1st car
Extreme position,
It is set with the abnormal close multiple threshold values of periodically detection, enables to make described 1st car slow down and stop at
Before the stopping extreme position of described 1st car,
Have and can make distance that described 1st car stops and not accordingly with the absolute velocity of described 1st car for exception
The region allowing described 2nd car to enter is set to the exclusive region of described 1st car,
From the absolute position by the front end in described 2nd car direction of described 1st car, towards before described 2nd car direction
The absolute position having entered the distance in more than the exclusive region of described 1st car and obtain is set to the stopping of described 2nd car
Extreme position,
It is set with the abnormal close multiple threshold values of periodically detection, enables to make described 2nd car slow down and stop at
Before the stopping extreme position of described 2nd car.
2. a Lift car type elevator more than, wherein, these many Lift car type elevator have:
Multiple cars, they are arranged in public hoistway；
Multiple control portions, they control the operation of corresponding described car；And
Prevent from conflicting between car safety device, and it is connected with described control portion, monitors that described car has each other without exception close,
When neighbouring 2 car in setting described car is as the 1st car and 2 car,
Have and can make distance that described 2nd car stops and not accordingly with the absolute velocity of described 2nd car for exception
The region allowing described 1st car to enter is set to the exclusive region of described 2nd car,
From the absolute position by the front end in described 1st car direction of described 2nd car, towards before described 1st car direction
The absolute position having entered the distance in more than the exclusive region of described 2nd car and obtain is set to the stopping of described 1st car
Extreme position,
It is set with the abnormal close multiple threshold values of periodically detection, enables to make described 1st car slow down and stop at
Before the stopping extreme position of described 1st car,
Detecting that described 1st car is abnormal in the case of described 2nd car, to described 1st car and described 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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| EP0769469A1 (en) * | 1995-10-17 | 1997-04-23 | Inventio Ag | Safety device for multi-mobile elevator groups |
| JP2003081542A (en) * | 2001-07-06 | 2003-03-19 | Mitsubishi Electric Corp | Operation control system for single shaft multi-car elevator |
| JP2006290575A (en) * | 2005-04-13 | 2006-10-26 | Otis Elevator Co | Elevator device |
| CN101137570A (en) * | 2005-03-05 | 2008-03-05 | 蒂森克虏伯电梯股份有限公司 | Elevator installation |
| JP2010538948A (en) * | 2007-09-18 | 2010-12-16 | オーチス エレベータ カンパニー | Multi-car hoistway including car separation control |
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| 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 |
| JP2003081542A (en) * | 2001-07-06 | 2003-03-19 | Mitsubishi Electric Corp | Operation control system for single shaft multi-car elevator |
| 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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