WO2022224389A1 - 乗場戸スイッチ回路 - Google Patents
乗場戸スイッチ回路 Download PDFInfo
- Publication number
- WO2022224389A1 WO2022224389A1 PCT/JP2021/016240 JP2021016240W WO2022224389A1 WO 2022224389 A1 WO2022224389 A1 WO 2022224389A1 JP 2021016240 W JP2021016240 W JP 2021016240W WO 2022224389 A1 WO2022224389 A1 WO 2022224389A1
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- WO
- WIPO (PCT)
- Prior art keywords
- car
- circuit
- landing
- upper car
- landing door
- Prior art date
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- 230000005284 excitation Effects 0.000 claims abstract description 24
- 238000010586 diagram Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/22—Operation of door or gate contacts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
- B66B1/18—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of several cars or cages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
Definitions
- This disclosure relates to a landing door switch circuit applied to a one-shaft double car elevator.
- a one-shaft double car elevator has been proposed in which multiple cars are installed vertically in one hoistway.
- the lower car due to its configuration, the lower car cannot move to floors above the floor on which the upper car exists, and the upper car cannot move to floors below the floor on which the lower car exists. cannot move.
- the switch circuit that has been used conventionally, even if the landing door of the floor on which one of the cars cannot move is opened, the car cannot run.
- Patent Document 1 discloses a double-car elevator that bypasses a switch provided on a landing door of a landing by using a landing detection switch when a landing door opens on a floor on which one of the cars has landed. is disclosed.
- this double-car elevator even if the door of the landing is opened on the floor where one of the cars has landed, the switch of the door of the landing is bypassed, and as a result, the motor of the hoist is operated. will be supplied with power so that the other car can run.
- the present disclosure has been made in view of the above problems, and in a landing door switch circuit of a double car elevator that disables running of the car when the door of the landing is opened, the presence of one car causes the other car to stop running.
- a landing door switch circuit that enables the other car to travel even when the door of the landing of a floor on which the car cannot move is opened.
- a landing door switch circuit has an upper car and a lower car in one hoistway, and a plurality of elevators for moving between the upper car or the lower car and landings set for each of a plurality of floors.
- an upper car coil which is an excitation coil provided in a switch for an upper car power supply that drives the upper car, is connected to the power supply
- a plurality of landing door switches are connected in series between the coil and the power supply, corresponding to the landing, and turned on when the landing door is closed and turned off when the door is open.
- An upper car safety circuit having a main circuit for an upper car and a first connecting part branched from the main circuit for an upper car corresponding to a landing provided with a landing door switch, and one of which is a coil for an upper car Alternatively, it is connected to a power supply, and on the other hand has a second connection part provided in the lower car and electrically connected to the first connection part when the lower car faces the landing, the first connection part and the second connection part is electrically connected to the upper car auxiliary circuit that bypasses the landing door switches on the floors below the floor where the lower car is located, and the lower car power supply switch that drives the lower car.
- a lower car coil which is an exciting coil, is connected to a power supply, and a plurality of landing door switches provided corresponding to the landing are connected in series between the lower car coil and the power supply.
- a lower car safety circuit having a circuit and a third connection part branched from the lower car main circuit corresponding to the landing where the landing door switch is provided, one of which is connected to the lower car coil or power supply and on the other hand, the upper car has a fourth connection part that is electrically connected to the third connection part when the upper car faces the landing, and the third connection part and the fourth connection part are connected. and a lower car auxiliary circuit that bypasses the landing door switches of the floors above the floor where the upper car exists.
- a landing door switch circuit for a double car elevator that prevents the car from running when the landing door is open, the presence of one car prevents the other car from moving. It is possible to provide a landing door switch circuit that allows the other car to travel even when the other car is open.
- FIG. 1 is a schematic diagram of an elevator apparatus provided with a landing door switch circuit according to Embodiment 1;
- FIG. 1 is a circuit configuration diagram of an elevator apparatus according to Embodiment 1;
- FIG. 1 is a circuit configuration diagram of a landing door switch circuit according to Embodiment 1.
- FIG. FIG. 10 is a schematic diagram of an elevator apparatus provided with a landing door switch circuit according to Embodiment 2;
- FIG. 4 is a circuit configuration diagram of a landing door switch circuit according to Embodiment 2;
- FIG. 11 is a partially enlarged view of the circuit configuration of the landing door switch circuit according to Embodiment 2;
- FIG. 10 is a circuit configuration diagram of a landing door switch circuit according to Embodiment 3;
- Embodiment 1 An elevator apparatus including a landing door switch circuit according to Embodiment 1 will be described below with reference to the drawings.
- FIG. 1 is a schematic diagram of an elevator apparatus having a landing door switch circuit according to Embodiment 1.
- FIG. 1 an elevator apparatus installed in an eight-story building from the first floor (1F) to the eighth floor (8F) shown in FIG. 1 will be described as an example.
- the elevator apparatus is a one-shaft double car elevator having an upper car 14 and a lower car 18 in one hoistway 11.
- This elevator apparatus also has a plurality of landing doors for traveling between the upper car 14 or the lower car 18 and the landings set for each of the plurality of floors.
- a landing door switch circuit is provided so that the upper car 14 and the lower car 18 cannot travel when the landing doors are open.
- the landing door switch circuit includes an upper car safety circuit 20 and an upper car auxiliary circuit 30 which are circuits for the upper car 14, and a lower car safety circuit 40 and a lower car auxiliary circuit 50 which are circuits for the lower car 18. and
- the upper car safety circuit 20 includes an upper car main circuit 20a and a plurality of first connection portions 22b to 22g. One end of the upper car main circuit 20a is connected to the power source 60, and the other end is connected to the exciting coils 23b and 24b (not shown in FIG. 1).
- the exciting coil 23b and the exciting coil 24b are exciting coils provided in the switch of the upper car hoisting machine drive power supply, which is the upper car power supply, and are upper car coils.
- the exciting coil 23b is the exciting coil of the main contact 23a of the switch provided between the three-phase AC power supply 61 used for operating the elevator system and the upper car hoist motor 75. be.
- the exciting coil 24b is the exciting coil of the main contact 24a of the switch provided between the three-phase AC power supply 61 and the upper car hoist brake coil 77. As shown in FIG.
- the switch provided with the main contact 23a and the switch provided with the main contact 24a are the switches of the upper car hoist driving power source for driving the upper car 14.
- the upper car main circuit 20a includes, in order from the power supply 60, an upper car landing door switch 21b for the second floor, an upper car landing door switch 21c for the third floor, and an upper car landing door switch for the fourth floor.
- 21d, 5th floor upper car landing door switch 21e, 6th floor upper car landing door switch 21f, 7th floor upper car landing door switch 21g, and 8th floor upper car landing door switch 21h are connected in series. It is In the following description, it is simply referred to as an upper car landing door switch 21 unless otherwise specified.
- the upper car landing door switches 21 are provided corresponding to the landings, and the symbols b to h correspond to the floors of the landings from the second floor to the eighth floor.
- the upper car landing door switch 21 is a switch that is turned on when the landing door, which is the door of the landing, is closed and turned off when the door is open.
- a normally closed contact with a forced release contact is used.
- the first connecting portion 22 is branched from the upper car main circuit 20a corresponding to the landing where the upper car landing door switch 21 is provided. It is a receiving device.
- the first connection portion 22 branches off from the upper car main circuit 20a at a position farther from the power source 60 than the upper car landing door switch 21 provided at each landing.
- the first connection portion 22b on the second floor, the first connection portion 22c on the third floor, the first connection portion 22d on the fourth floor, the first connection portion 22e on the fifth floor, the first connection portion on the sixth floor 22f, and a first connecting portion 22g on the seventh floor are provided.
- Each of the symbols b to g corresponds to the floor of the same landing as the upper car landing door switch 21 from the 2nd to 7th floors. In the following description, it is simply referred to as the first connection portion 22 unless otherwise distinguished.
- the upper car auxiliary circuit 30 has one end connected to the power source 60 and the other end having the second connection portion 31 .
- the second connection portion 31 is a transmission device of the contactless power supply device provided in the lower car 18 .
- the first connection portion 22 and the second connection portion 31 are electrically connected when the lower car 18 faces the landing.
- the upper car auxiliary circuit 30 is connected to the upper car landing on the floor below the floor where the lower car 18 of the upper car safety circuit 20 exists.
- the door switch 21 is bypassed.
- the upper car landing door switch 21d, the upper car landing door switch 21c, and the upper car landing door switch 21b which are the upper car landing door switches 21 for the fourth floor and lower where the lower car 18 is present, are for the upper car. Bypassed by auxiliary circuit 30 .
- the upper car landing door switch 21 is turned off. Electric power is supplied from the power supply 60 to the exciting coils 23b and 24b by the auxiliary circuit 30. As shown in FIG. Therefore, even in such a case, the upper car 14 can travel.
- the lower car safety circuit 40 and the lower car auxiliary circuit 50 have the same configurations as the upper car safety circuit 20 and the upper car auxiliary circuit 30 .
- the lower car safety circuit 40 includes a lower car main circuit 40a and a plurality of third connection portions 42b to 42g. One end of the lower car main circuit 40a is connected to the power source 60, and the other end is connected to the excitation coils 43b and 44b (not shown in FIG. 1).
- the exciting coil 43b and the exciting coil 44b are exciting coils provided in the switch of the lower car hoisting machine driving power source, which is the lower car power source, and are lower car coils. As will be described in detail later, the exciting coil 43b is the exciting coil of the main contact 43a of the switch provided between the three-phase AC power supply 61 and the lower car hoist motor 85.
- the exciting coil 44b is the exciting coil of the main contact 44a of the switch provided between the three-phase AC power supply 61 and the lower car hoist brake coil 87. As shown in FIG.
- the switch provided with the main contact 43a and the switch provided with the main contact 44a are the switches of the lower car hoist driving power source for driving the lower car 18.
- a lower car landing door switch 41g on the 7th floor, a lower car landing door switch 41f on the 6th floor, and a lower car landing door switch on the 5th floor are provided in this order from the power source 60.
- 41e, 4th floor lower car landing door switch 41d, 3rd floor lower car landing door switch 41c, 2nd floor lower car landing door switch 41b, and 1st floor lower car landing door switch 41a are connected in series. It is In the following description, it is simply referred to as a lower car landing door switch 41 unless otherwise specified.
- the lower car landing door switches 41 are provided corresponding to the landings, and the symbols a to g correspond to the landings from the 1st floor to the 7th floor.
- the lower car landing door switch 41 is a switch that turns on when the landing door is closed and turns off when the door is open, like the upper car landing door switch 21 .
- a normally closed contact with a forced release contact is used.
- the third connection portion 42 is branched from the lower car main circuit 40a corresponding to the landing where the lower car landing door switch 41 is provided. It is a receiving device.
- the third connection portion 42 branches off from the lower car main circuit 40a at a position farther from the power source than the lower car landing door switch 41 provided at each landing.
- the third connection portion 42b on the second floor, the third connection portion 42c on the third floor, the third connection portion 42d on the fourth floor, the third connection portion 42e on the fifth floor, the third connection portion on the sixth floor 42f, and a third connecting portion 42g on the seventh floor are provided.
- Each code from b to g corresponds to the floor of the same landing as the lower car landing door switch 41 from the 2nd to 7th floors. In the following description, it will simply be referred to as the third connection portion 42 unless otherwise specified.
- the lower car auxiliary circuit 50 has one end connected to the power source 60 and the other end having a fourth connection portion 51 .
- a fourth connection portion 51 is a transmission device of a contactless power supply device provided in the upper car 14 .
- the third connection portion 42 and the fourth connection portion 51 are electrically connected when the upper car 14 faces the landing.
- the lower car auxiliary circuit 50 is connected to the lower car safety circuit 40 for the floor above the floor on which the upper car 14 exists.
- the landing door switch 41 is bypassed.
- FIG. 2 is a circuit diagram of the elevator system.
- the three-phase AC power supply 61 is connected via a power breaker 62 to an upper car AC reactor 73, a lower car AC reactor 83, an upper car hoisting machine brake power circuit 63, and a lower car hoisting machine brake power circuit. 64.
- the three-phase AC power supply 61 is an upper car hoist drive power source that drives the upper car 14 and is also a lower car hoist drive power source that drives the lower car 18 .
- the upper car AC reactor 73 is connected to the upper car power converter 74 via the main contact 23a of the switch.
- the upper car power converter 74 is connected to the upper car hoist motor 75 of the upper car hoist 76 .
- a rope to which the upper car 14 and a counterweight 79 are attached is wound around the upper car hoist 76, and is braked by two upper car hoist brakes 77c and 77d. This rope is also wound around the deflector wheel 78 .
- the lower car AC reactor 83 is connected to the lower car power converter 84 via the main contact 43a of the switch.
- the lower car power converter 84 is connected to the lower car hoist motor 85 of the lower car hoist 86 .
- a rope attached to the lower car 18 and a counterweight 89 is wound around the lower car hoist 86, and is braked by two lower car hoist brakes 87c and 87d. This rope is also wound around the deflector wheel 88 .
- the upper car hoisting machine brake power supply circuit 63 is connected to the two upper car hoisting machine brake coils 77a and 77b via the main contact 24a of the switch.
- the upper car hoist brake coil 77a and the upper car hoist brake coil 77b are coils provided in the upper car hoist brake 77c and the upper car hoist brake 77d, respectively.
- the lower car hoist brake power supply circuit 64 is connected to the two lower car hoist brake coils 87a and 87b via the main contact 44a of the switch.
- the lower car hoist brake coil 87a and the lower car hoist brake coil 87b are coils provided in the lower car hoist brake 87c and the lower car hoist brake 87d, respectively.
- FIG. 3 is a circuit configuration diagram of a landing door switch circuit.
- FIG. 3 like FIG. 1, shows the circuit when the upper car 14 is at the 7th floor and the lower car 18 is at the 4th floor.
- the power supply 60 is connected to the upper car main circuit 20a, the upper car auxiliary circuit 30, the lower car main circuit 40a, and the lower car auxiliary circuit 50.
- the upper car main circuit 20a is connected to the exciting coils 23b and 24b, and the upper car landing door switch 21 is connected in series with the power supply 60.
- a plurality of other safety switches 26 are connected.
- the safety switch 26 is, for example, a switch that is turned on when the door of the car is closed and turned off when the door is open.
- the lower car main circuit 40a is connected to the exciting coil 43b and the exciting coil 44b, and the lower car landing door switch 41 is connected in series with the power supply 60.
- a plurality of other safety switches 46 are connected in the same manner as the upper car main circuit 20a.
- the upper car control circuit 25 is connected to the switch equipped with the exciting coil 23b and the exciting coil 24b.
- a lower car control circuit 45 is connected to the switch equipped with the exciting coil 43b and the exciting coil 44b.
- the second connection portion 31 (not shown) of the upper car auxiliary circuit 30 is electrically connected to the branched first connection portion 22d at a position farther from the power supply 60 than the upper car landing door switch 21d (not shown).
- the fourth connecting portion 51 (not shown) of the lower car auxiliary circuit 50 is electrically connected to a third connecting portion 42g branched at a position farther from the power supply 60 than the lower car landing door switch 41g (also not shown). ing.
- the upper car control circuit 25 When running the upper car 14, the upper car control circuit 25 outputs a command to turn on the main contacts 23a and 24a. At this time, the main contact 23a and the main contact 24a cannot be turned on unless power is supplied from the power supply 60 to the exciting coil 23b and the exciting coil 24b, respectively.
- the upper car landing door switch 21 and the safety switch 26 provided in the upper car main circuit 20a are all in the ON state, power is supplied from the power supply 60 to the exciting coils 23b and 24b.
- the upper car main circuit 20a supplies power from the power source 60 to the exciting coils 23b and 24b. Can not do it.
- the power of the power supply 60 is supplied to the second connection. It is supplied from the portion 31 to the first connection portion 22 . Therefore, between the first connection portion 22 connected to the second connection portion 31 and the power source 60, that is, on the floor below the floor on which the lower car 18 is stopped, the upper car landing door switch 21 is connected to the upper car. Bypassed by auxiliary circuit 30. Therefore, even if the upper car landing door switch 21 bypassed by the upper car auxiliary circuit 30 is turned off, the excitation coil 23b and the excitation coil 24b are still supplied with electric power from the power supply 60. Become.
- the lower car control circuit 45 When running the lower car 18, the lower car control circuit 45 outputs a command to turn on the main contacts 43a and 44a. At this time, the main contact 43a and the main contact 44a cannot be turned on unless power is supplied from the power source 60 to the exciting coil 43b and the exciting coil 44b, respectively.
- the power of the power supply 60 is supplied to the fourth connection It is supplied from the portion 51 to the third connection portion 42 . Therefore, between the third connection portion 42 connected to the fourth connection portion 51 and the power source 60, that is, the lower car landing door switch 41 on the floor higher than the floor on which the upper car 14 stops, It is bypassed by the auxiliary circuit 50. Therefore, even if the lower car landing door switch 41 bypassed by the lower car auxiliary circuit 50 is turned off, power is supplied from the power supply 60 to the exciting coils 43b and 44b. .
- the landing door switch circuit of a double car elevator that prevents the car from running when the door of the landing is opened, the presence of one car prevents the other car from moving to the floor. It is possible to provide a landing door switch circuit that allows the other car to travel even when the other landing door is open.
- the fourth connection portion 51 of the lower car auxiliary circuit 50 and the second connection portion 31 of the upper car auxiliary circuit 30 in the upper car 14 and the lower car 18, respectively,
- the lower car landing door switch 41 and the upper car landing door switch 21 can be bypassed by one circuit, respectively.
- the lower car landing door switch 41 and the upper car landing door switch 21 to be bypassed are determined according to the positions of the upper car 14 and the lower car 18 . Therefore, it is not necessary to input the information of the landing door switches of each floor individually to the control device having the control circuit in order to specify the landing door switches to be bypassed. Also, it is not necessary to use the control device to identify the landing door switch to be bypassed based on the position of the car and to output a command to bypass the identified landing door switch. Therefore, there is no need for a receiver circuit for taking in the information of the landing door switch, calculations required for identification, and an output circuit required for command output.
- the landing door switch circuit according to the present embodiment is particularly useful in an elevator apparatus installed in a high-rise building with many floors. This is because, in the case of a high-rise building, a large amount of wiring is required to output a command to bypass the landing door switch provided on each floor.
- the upper car landing door switch 21 and the lower car landing door switch 41 are provided on the first floor of the upper car main circuit 20a and the eighth floor of the lower car main circuit 40a. do not have. This is because the upper car 14 and the lower car 18 cannot move to the 1st floor and the 8th floor, respectively, so even if the landing door is open, it may not be unsafe.
- Embodiment 2 when the door of the boarding area on the first floor, which is the lowest floor, is open, the upper car 14 and the lower car 18 are operated except when the lower car 18 is stopped on the first floor. It is a boarding point door switch circuit that prevents running.
- the following description focuses on differences from the first embodiment. First, the configuration of this embodiment will be described with reference to FIGS. 4 to 6.
- FIG. FIG. 4 is a schematic diagram of an elevator apparatus provided with the circuit of the landing door switch of the present embodiment.
- the landing door switch circuit of the present embodiment includes a lowest floor safety circuit 90 in addition to the upper car safety circuit 20 .
- the upper car safety circuit 20 is provided with the upper car landing door switch 21 and the first connecting portion 22 on the first floor, which is the lowest floor. do not have.
- the lowest floor safety circuit 90 is a circuit having a lowest floor main circuit 90a and a fifth connecting portion 92, in which an upper car landing door switch 91 is connected in series on the first floor, which is the lowest floor.
- FIG. 5 is a circuit configuration diagram of the landing door switch circuit according to the present embodiment.
- FIG. 6 is a partially enlarged view enlarging the portion enclosed by the dotted line in FIG.
- the bottom floor safety circuit 90 has a bottom floor main circuit 90 a and a fifth connection portion 92 .
- the lowest floor main circuit 90a connects the power source 60 with an exciting coil 93b and an exciting coil 94b, which are exciting coils of a relay contact 93a and a relay contact 94a, which will be described later.
- the landing door switch 91 is connected in series.
- the fifth connection portion 92 is branched from the lowest floor main circuit 90a corresponding to the first floor, which is the landing where the upper car landing door switch 91 is provided. It is a receiving device of a power feeding device.
- the fifth connection portion 92 is branched from the lowest floor main circuit 90a at a position farther from the power source than the upper car landing door switch 91 is. Further, the fifth connection portion 92 is electrically connected to the second connection portion 31 when the lower car 18 faces the landing on the first floor, similarly to the first connection portion 22 .
- the upper car main circuit 20a of the upper car safety circuit 20 further includes a relay contact 93a and a relay contact 94a between the power source 60 and the exciting coils 23b and 24b.
- the relay contact 93a and the relay contact 94a are normally open contacts that are turned on when the exciting coil 93b and the exciting coil 94b are excited, respectively.
- the excitation coil 93b and the excitation coil 94b are mechanically configured so that the normally open contact and the normally closed contact are not turned on at the same time (for example, a relay with a forced guided contact according to IEC 61810-3). ) coil.
- contacts other than the relay contact 93a and the relay contact 94a are connected to the upper car main circuit 20a and the lower car main circuit 40a.
- FIG. 6 shows a circuit in which a normally open contact 93c corresponding to the relay contact 93a and a normally open contact 94c corresponding to the relay contact 94a are connected in series to the upper car main circuit 20a and the lower car main circuit 40a;
- a stop circuit 95 is connected in parallel with a circuit in which a normally closed contact 93d corresponding to the relay contact 93a and a normally closed contact 94d corresponding to the relay contact 94a are connected in series. It means that there is
- the relay contact 93a and the normally open contact 93c, which are normally open contacts, and the normally closed contact 93d are configured so as not to be mechanically turned on at the same time by a forced guide (not shown).
- the relay contact 94a and the normally open contact 94c, which are normally open contacts, and the normally closed contact 94d are also forcibly guided so as not to be mechanically turned on at the same time.
- the first floor upper car landing door switch 91 When the first floor landing door is in the closed state, the first floor upper car landing door switch 91 is turned on in the lowest floor safety circuit, and the electric power of the power supply 60 is supplied to the exciting coils 93b and 94b to excite them. be done. When the exciting coils 93b and 94b are excited, the relay contacts 93a and 94a of the upper car main circuit 20a are turned on.
- the exciting coils 23b and 24b are activated. Power from the power supply 60 is supplied. Therefore, the upper car control circuit 25 can cause the upper car 14 to run.
- the power of the power supply 60 is supplied to the exciting coils 93b and 94b.
- the excitation coil 93b and the excitation coil 94b are not excited. Therefore, the relay contact 93a and the relay contact 94a of the upper car main circuit 20a are turned off. Therefore, regardless of the states of the other switches provided in the upper car main circuit 20a, the power of the power supply 60 is not supplied to the exciting coils 23b and 24b. Therefore, the upper car control circuit 25 cannot make the upper car 14 run.
- the upper car landing door switch 91 is bypassed by the upper car auxiliary circuit 30 . Therefore, electric power from the power supply 60 is supplied to the exciting coils 93b and 94b, and the exciting coils 93b and 94b are excited. Therefore, the relay contact 93a and the relay contact 94a are turned on in the same manner as when the landing doors on the first floor are closed, so that the upper car control circuit 25 can cause the upper car 14 to run.
- the power supply from the power source 60 is interrupted by the operation stop circuit 95 in the upper car main circuit 20a and the lower car auxiliary circuit 50. . Therefore, the excitation coil 23b, the excitation coil 24b, the excitation coil 43b, and the excitation coil 44b are not excited, and the upper car 14 and the lower car 18 stop.
- the upper car 14 and the upper car 14 can be made inoperable.
- Embodiment 3 is a landing door switch circuit that prevents the other car from running when one car is running, even if the running car faces the landing.
- FIG. 7 is a circuit configuration diagram of the landing door switch circuit according to the present embodiment.
- the upper car auxiliary circuit 30 is provided with a normally closed auxiliary contact 43c and a normally closed auxiliary contact 44c of a switch for a lower car power supply having a main contact 43a and a main contact 44a, respectively.
- the normally closed auxiliary contact 43c and the normally closed auxiliary contact 44c are excited by exciting coils 43b and 44b, respectively.
- the normally-closed auxiliary contact 43c and the normally-closed auxiliary contact 44c are closed by the lower car control circuit 45 when the excitation coil 43b and the excitation coil 44b are supplied with power from the power supply 60.
- the main contact 43a and the main contact 44a are contacts that switch from the on state to the off state, contrary to the main contacts 43a and 44a.
- the lower car auxiliary circuit 50 is provided with a normally closed auxiliary contact 23c and a normally closed auxiliary contact 24c of the upper car power supply switch having main contacts 23a and 24a, respectively.
- the normally closed auxiliary contact 23c and the normally closed auxiliary contact 24c are excited by exciting coils 23b and 24b, respectively.
- the normally-closed auxiliary contact 23c and the normally-closed auxiliary contact 24c are closed by the upper car control circuit 25 when the exciting coil 23b and the exciting coil are supplied with power from the power supply 60.
- the main contact 23a and the main contact 24a are contacts that are switched from the on state to the off state, contrary to the main contacts 23a and 24a.
- the upper car auxiliary circuit 30 cannot supply power from the power source 60 to the first connection portion 22 from the second connection portion 31, and cannot bypass the upper car landing door switch 21.
- the floor where the lower car 18 is located while the lower car 18 is running is The upper car 14 cannot travel when the landing doors are open on floors below the floor.
- the supply of electric power to the exciting coil 23b and the exciting coil 24b in the upper car main circuit 20a is cut off by the upper car landing door switch 21 in which the door is open, and the exciting coil 23b and the exciting coil 23b in the upper car auxiliary circuit 30 are cut off. This is because the power supply to the exciting coil 24b is cut off by the normally closed auxiliary contact 23c and the normally closed auxiliary contact 24c.
- the lower car auxiliary circuit 50 cannot supply power from the power supply 60 to the third connection portion 42 from the fourth connection portion 51, and cannot bypass the lower car landing door switch 41.
- the upper car 14 is not moving while the upper car 14 is running.
- the lower car 18 cannot run.
- the power supply to the exciting coil 43b and the exciting coil 44b in the lower car main circuit 40a is cut off by the lower car landing door switch 41 in the door open state, and the exciting coil 43b and the exciting coil 43b in the lower car main circuit 40a are shut off. This is because the power supply to the coil 44b is cut off by the normally closed auxiliary contact 43c and the normally closed auxiliary contact 44c.
- one of the upper car auxiliary circuit 30 and the lower car auxiliary circuit 50 is connected to the power supply 60 .
- one may be connected not to the power source 60 but to the excitation coils 23b and 24b and the excitation coils 43b and 44b.
- the upper car auxiliary circuit 30 when the upper car auxiliary circuit 30 is connected to the excitation coil 23b and the excitation coil 24b, the landing door switch for the upper car on the floors below the floor on which the lower car 18 exists, as in the embodiment. 21, the order of the upper car landing door switch 21 and the first connecting portion 22 in the upper car main circuit 20a must be reversed.
- the upper car landing door switch 21b on the 2nd floor, the upper car landing on the 3rd floor, and the upper car landing door switch 21b on the 2nd floor in order from the side farther from the power supply 60, that is, closer to the exciting coils 23b and 24b.
- a floor door switch 21h for an upper car is connected in series.
- the first connecting portion 22 branches off from the upper car main circuit 20a at a position closer to the power source 60 than the upper car landing door switch 21 provided at each landing.
- the safety switch 26 is provided closer to the power supply 60 than the landing door switch 21b for the upper car on the second floor.
- the first connection portion 22, the second connection portion 31, the third connection portion 42, the fourth connection portion 51, and the fifth connection portion 92 are the receiving device or the transmitting device of the non-contact power feeding device. .
- they may be connected mechanically.
- the upper car auxiliary circuit 30 and the lower car auxiliary circuit 50 are provided with the operation stop circuit 95, but they may be omitted.
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- Elevator Control (AREA)
Abstract
Description
以下に実施の形態1に係る乗場戸スイッチ回路を備えたエレベータ装置を図面に基づいて説明する。
本実施の形態は、最下階である1階の乗場の戸が戸開状態である場合は、下かご18が1階に停車している場合を除いて、上かご14及び下かご18を走行できないようにする乗場戸スイッチ回路である。以下、実施の形態1との相違点を中心に説明する。初めに本実施の形態の構成について図4から図6を用いて説明する。図4は本実施の形態の乗場戸スイッチの回路を備えたエレベータ装置の概要図である。
本実施の形態は、一方のかごが走行しているときは、仮に走行中のかごが乗場と対向していたとしても、他方のかごを走行できないようにする乗場戸スイッチ回路である。以下、実施の形態2との相違点を中心に説明する。図7は、本実施の形態に係る乗場戸スイッチ回路の回路構成図である。
Claims (4)
- 一つの昇降路内に上かご及び下かごを有し、前記上かご又は下かごと複数階床ごとに設定された乗場との間を行き来するための複数の乗場戸を有するエレベータ装置に適用される乗場戸スイッチ回路において、
前記上かごを駆動する上かご用電源の開閉器に設けられた励磁コイルである上かご用コイルと電源とを接続し、前記上かご用コイルと前記電源との間に、前記乗場に対応して設けられ、乗場戸が戸閉状態のときにオン状態になり戸開状態のときにオフ状態となる複数の乗場戸スイッチが直列に接続された上かご用主回路と、前記乗場戸スイッチが設けられた乗場に対応して、前記上かご用主回路から分枝した第一接続部とを有する上かご用安全回路と、
一方が前記上かご用コイル又は前記電源に接続され、他方に、前記下かごに設けられ前記下かごが前記乗場と対向したときに前記第一接続部と電気的に接続する第二接続部を有し、前記第一接続部と前記第二接続部が電気的に接続された場合に、前記下かごの存在する階床以下の階床の前記乗場戸スイッチをバイパスする上かご用補助回路と、
前記下かごを駆動する下かご用電源の開閉器に設けられた励磁コイルである下かご用コイルと前記電源とを接続し、前記下かご用コイルと前記電源との間に、前記乗場に対応して設けられた複数の乗場戸スイッチが直列に接続された下かご用主回路と、前記乗場戸スイッチが設けられた乗場に対応して、前記下かご用主回路から分枝した第三接続部と、を有する下かご用安全回路と、
一方が前記下かご用コイル又は前記電源に接続され、他方に、前記上かごに設けられ前記上かごが前記乗場と対向したときに前記第三接続部と電気的に接続する第四接続部を有し、前記第三接続部と前記第四接続部が電気的に接続された場合に、前記上かごの存在する階床以上の階床の前記乗場戸スイッチをバイパスする下かご用補助回路と、
を備えた乗場戸スイッチ回路。 - 前記上かご用主回路は、最下階の乗場に対応した乗場戸スイッチを直列に接続しておらず、前記上かご用コイルと前記電源との間にリレー接点を有するものであり、
前記リレー接点の励磁コイルである最下階コイルと前記電源とを接続し、前記最下階の乗場に対応した前記乗場戸スイッチを直列に接続した最下階主回路と、前記最下階の乗場に対応して、前記最下階主回路から分枝した第五接続部と、を有する最下階安全回路を更に備えており、
前記第二接続部は、前記第五接続部と電気的に接続するものであり、
前記上かご用補助回路は、前記第五接続部と前記第二接続部が電気的に接続された場合に、前記最下階の乗場に設けられた前記乗場戸スイッチをバイパスする
請求項1に記載の乗場戸スイッチ回路。 - 前記上かご用補助回路は、前記下かご用電源の開閉器の常閉補助接点を有し、
前記下かご用補助回路は、前記上かご用電源の開閉器の常閉補助接点を有する
請求項1又は2に記載の乗場戸スイッチ回路。 - 前記第一接続部及び前記第二接続部は、一方が非接触給電装置の受信装置であり、他方が非接触給電装置の送信装置であって、
前記第三接続部及び前記第四接続部は、一方が非接触給電装置の受信装置であり、他方が非接触給電装置の送信装置である
請求項1から3のいずれか一項に記載の乗場戸スイッチ回路。
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PCT/JP2021/016240 WO2022224389A1 (ja) | 2021-04-22 | 2021-04-22 | 乗場戸スイッチ回路 |
JP2023515961A JP7371814B2 (ja) | 2021-04-22 | 2021-04-22 | 乗場戸スイッチ回路 |
DE112021007570.5T DE112021007570T5 (de) | 2021-04-22 | 2021-04-22 | Fahrschachttürschalterschaltung |
KR1020237034576A KR20230154080A (ko) | 2021-04-22 | 2021-04-22 | 승강장 문 스위치 회로 |
US18/286,257 US20240199381A1 (en) | 2021-04-22 | 2021-04-22 | Landing-door switch circuit |
CN202180097099.XA CN117203142A (zh) | 2021-04-22 | 2021-04-22 | 层站门开关电路 |
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Citations (5)
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JP2004331397A (ja) * | 2003-04-30 | 2004-11-25 | Thyssenkrupp Elevator Ag | エレベータ設備およびエレベータ設備を制御するための方法 |
JP2011506223A (ja) * | 2007-12-05 | 2011-03-03 | オーチス エレベータ カンパニー | 単一の昇降路内で2つのエレベータかごを運転する制御方法 |
WO2013145144A1 (ja) * | 2012-03-28 | 2013-10-03 | 三菱電機株式会社 | マルチカーエレベータの安全装置 |
WO2014006720A1 (ja) * | 2012-07-05 | 2014-01-09 | 三菱電機株式会社 | エレベータ装置 |
WO2019224938A1 (ja) * | 2018-05-23 | 2019-11-28 | 三菱電機株式会社 | エレベーターのドアシステム |
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JP4190626B2 (ja) | 1998-10-23 | 2008-12-03 | 三菱電機株式会社 | エレベータの安全装置 |
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Patent Citations (5)
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JP2004331397A (ja) * | 2003-04-30 | 2004-11-25 | Thyssenkrupp Elevator Ag | エレベータ設備およびエレベータ設備を制御するための方法 |
JP2011506223A (ja) * | 2007-12-05 | 2011-03-03 | オーチス エレベータ カンパニー | 単一の昇降路内で2つのエレベータかごを運転する制御方法 |
WO2013145144A1 (ja) * | 2012-03-28 | 2013-10-03 | 三菱電機株式会社 | マルチカーエレベータの安全装置 |
WO2014006720A1 (ja) * | 2012-07-05 | 2014-01-09 | 三菱電機株式会社 | エレベータ装置 |
WO2019224938A1 (ja) * | 2018-05-23 | 2019-11-28 | 三菱電機株式会社 | エレベーターのドアシステム |
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CN117203142A (zh) | 2023-12-08 |
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