JP2007308220A - Elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To disperse a plurality of cars and let them stand by properly. <P>SOLUTION: An elevator controller 2 lets the car 6 respond to a call and then closes its door when the call to respond disappears with respect to the car 6 for stand-by. When the time fixed in advance elapses while a new call does not occur after closing its door and standing by and a load detection device 7 detects user's getting-in-the-car, the elevator controller 2 outputs signals indicating the condition to a group supervisory operation controller 1, which computes floors at dispersion and stand-by destination stories of the car 6 based on current positions of each car and outputs signals indicating them to the elevator controller 2. Then, the elevator controller 2 lets the car 6 respond to the floor at the stand-by destination floor by forwarding operation and lets the car 6 stand by while its door is closed when the car 6 arrives at the floor at the stand-by destination floor. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an elevator that performs a stand-by standby of a plurality of cars.

Conventionally, as disclosed in, for example, Patent Document 1, in group management control for controlling the raising and lowering of a plurality of cars, a response should be made so that the plurality of cars do not stand on the entrance floor or the like. There is a control system that distributes the waiting floors of each car by forwarding the cars that have been called out.
JP-A-6-80323

  When the distributed standby control described above is performed, the transportation efficiency of the entire building can be improved. However, the current distributed standby control automatically disperses the car that has not been called after a predetermined time has elapsed, so if the passenger remains in the car, the passenger is dispersed. Will be transported to the floor.

  And if this distributed floor is a floor where outsiders are not allowed to enter, even if the passenger does not intend to enter this floor, the passenger will arrive at the floor where entry is prohibited It will be. In this case, since the passengers in the car can enter the floor easily, the security level is not sufficient.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an elevator that can perform an appropriate distributed standby of a plurality of passenger cars.

  In other words, the elevator according to the present invention waits for a call to be answered for any one of a plurality of cars, and after detecting that there are no passengers in the waiting car The waiting car is forwarded to a predetermined distributed floor.

  In the elevator according to the present invention, it is possible to appropriately wait for a plurality of cars.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic diagram showing a configuration example of an elevator according to an embodiment of the present invention.
As shown in FIG. 1, in this elevator, a group management control device 1 and three elevator control devices 2, 3, and 4 are installed in a machine room. The elevator control device 2 is a control device for a No. 1 elevator, the elevator control device 3 is a control device for a No. 2 elevator, and the elevator control device 4 is a control device for a No. 3 elevator.

  In addition, this elevator has a car 6 for the first elevator, a sheave 21, a deflecting sheave 22, and a counterweight 23. The car 6 is connected to a counterweight 23 via a sheave 21 provided on a motor shaft of a hoisting machine for a first elevator (not shown) and a main rope 24 wound around a deflecting sheave 22. The car 6 ascends and descends in the hoistway 5 together with the counterweight 23 in the up-and-down direction with the rotation of the sheave 21 driven by the hoist according to the control by the elevator control device 2. A load detection device 7 serving as detection means is provided at a lower portion of the car 6, and is connected to the elevator control device 2 via a tail cord (not shown).

  The elevator also has a car 9, a sheave 31, a deflecting sheave 32, and a counterweight 33 that move up and down in the hoistway 8 for the elevator for No. 2 elevator. The car 9 is connected to a counterweight 33 via a sheave 31 provided on a motor shaft of a hoisting machine for a No. 2 elevator and a main rope 34 wound around the deflecting sheave 32. A load detection device (detection means) 10 is provided at the lower part of the car 9, and this is connected to the elevator control device 3 via a tail cord.

  The elevator also has a car 12, a sheave 41, a deflecting sheave 42, and a counterweight 43 that move up and down in the hoistway 11 for the No. 3 elevator. The car 12 is connected to a counterweight 43 via a sheave 41 provided on a motor shaft of a hoisting machine for a No. 3 elevator and a main rope 44 wound around a baffle sheave 42. A load detection device (detection means) 13 is provided at the lower part of the car 12, which is connected to the elevator control device 4 via a tail cord.

  Each elevator control device 2, 3, 4 is connected to the group management control device 1. The elevator control devices 2, 3, and 4 output a signal indicating the current position of the controlled car to the group management control device 1. Further, when the elevator control devices 2, 3 and 4 perform a call registration in accordance with an operation of a hall call button (not shown), a signal indicating this is output to the group management control device 1.

FIG. 2 is a block diagram showing a configuration example of the elevator group management control device according to the embodiment of the present invention.
The group management control device 1 includes an allocation control unit 61, a distributed floor calculation unit 62, and an input / output interface 63. The input / output interface 63 is connected to the elevator control devices 2, 3 and 4.

  The group management control device 1 functions as a car forwarding control means. In order to perform this distributed standby, the group management control device 1, for example, as shown in FIG. 1, the first distributed standby zone 51 including the uppermost service floor in advance, the second distributed standby zone 52 including the intermediate floor, and the highest It is classified into the third distributed standby zone 53 including the lower floor, and the cars to be distributed standby are routed from these zones to an empty zone where there is no other elevator, and the doors are closed on the predetermined distributed floor in the zone. Let

  The allocation control unit 61 manages the current position of each car, registered call information, and the like based on control signals from each elevator control device, and when a new hall call is generated, Based on the registered car call information, etc., the allocation evaluation calculation is performed to select the optimal car. The allocation control unit 61 outputs a control signal for instructing the elevator controller that controls the raising / lowering of the selected car to respond to the hall call of the selected car.

When the elevator control device to which this signal is output receives a response instruction signal from the group management control device 1, the elevator car for the elevator of the own vehicle is controlled so as to respond to the hall call by controlling the hoist for the own elevator. Raise and lower.
The distributed floor calculation unit 62 calculates the floor of the forward driving destination for the distributed standby of the car based on the position of each car.

  Next, an example of the operation of the elevator according to the embodiment of the present invention will be described. FIG. 3 is a flowchart illustrating an example of processing operation of the elevator according to the embodiment of the present invention. Here, the distributed standby control of the car 6 of the first elevator will be described.

  First, the assignment control unit 61 of the group management control device 1 selects the car 6 of the first elevator as a response target car as a result of the assignment evaluation calculation according to the hall call registration, and a signal indicating this is given to the elevator control. Output to device 2. The elevator control device 2 makes the car 6 respond to the call based on the signal from the group management control device 1 (step S1).

  After the response, when there is no call to be answered for the car 6 after this response (NO in step S2), the elevator controller 2 causes the car 6 to wait for door closing (step S3). That is, the elevator control device 2 functions as standby control means.

  The elevator control device 2 starts counting the elapsed time from the start of the door closing standby, and in a state where no new call is generated after the door closing standby (NO in step S4), the counted time is a predetermined time. Is determined (step S5).

  When the counted time reaches a predetermined time (YES in step S5) and the load detection device 7 detects the presence of a passenger (YES in step S6). The notification signal is output to the group management control device 1 (step S7).

  When the input / output interface 63 of the group management control device 1 receives a notification signal from the elevator control device 2, the assignment control unit 61 outputs information on the current position of each car to the distributed floor calculation unit 62.

  Based on the information on the current position from the allocation control unit 61, the distributed floor calculation unit 62 has no other car among the first distributed standby zone 51, the second distributed standby zone 52, and the third distributed standby zone 53. Of the floors belonging to the zone, the floor of the forwarding operation destination for the distributed waiting of the car 6 is calculated, and a signal indicating an instruction of the forwarding operation to this floor is sent via the input / output interface 63 to the elevator controller 2. Output to.

  The elevator control device 2 causes the car 6 to respond to the predetermined floor (distributed floor) indicated by the signal from the distributed floor arithmetic unit 62 by forwarding operation (step S8), and the car 6 reaches the floor. If this happens, the car 6 is put on standby with the door closed (step S9).

  As described above, in the elevator according to the embodiment of the present invention, after confirming that there are no passengers in the car that no longer has a call to be answered, this car is routed to a predetermined distributed floor, Since the waiting floors of the cars are distributed, it is possible to prevent the cars from going up and down for the distributed waiting while carrying passengers. As a result, passengers in the car are not transported to an unintended floor due to distributed waiting.

  Then, the modification of the elevator according to this embodiment is demonstrated. In this modification, an alarm device is provided in a car or a landing of each elevator car, and the alarm device is connected to the corresponding elevator control devices 2, 3, and 4, respectively. For the elevator of Unit 1, the elevator control device 2 is connected when the load detection device detects that passengers are staying in the car after the call registration of the car to be controlled is lost and the door is closed. Control so that an alarm sound is output from the previous alarm device. Thereby, even when a suspicious person remains in the car, this can be notified, so that the security level in the building can be improved. Even when a passenger falls in the car, the passenger can be found according to the alarm.

  As another modification, when the elevator control device of each elevator car detects that the passenger remains in the car by the load detection device after the call registration of the car to be controlled is lost, The notification signal may be output to an elevator monitoring center (not shown) via a communication line, and a message indicating that passengers are staying in the car may be output to an output device of the monitoring center. Thereby, the security level in a building can further be improved.

  In the embodiment described above, it is configured to determine whether or not a passenger is in the car based on the detection result by the load detecting device of the car that has gone out of call and has waited. A configuration in which at least one of a human sensor, a photoelectric tube sensor, and a security camera is installed in the car, and the elevator control device determines whether or not a passenger is in the car based on a detection result by these devices. It may be. With such a configuration, even if the load detection device cannot detect a weight less than a predetermined reference value (for example, when the passenger staying in the car is a light child), the passenger in the car Can be detected.

  The present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Moreover, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the embodiment. For example, some components may be omitted from all the components shown in the embodiment. Furthermore, you may combine suitably the component covering different embodiment.

The schematic diagram which shows the structural example of the elevator according to embodiment of this invention. The block diagram which shows the structural example of the group management control apparatus of the elevator according to embodiment of this invention. The flowchart which shows an example of the processing operation of the elevator according to embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Group management control apparatus (forwarding control means), 2, 3, 4 ... Elevator control apparatus (standby control means), 5, 8, 11 ... Hoistway, 6, 9, 12 ... Ride car, 7, 10, 13 ... load detection device (detection means) 21, 31, 41 ... sheave, 22, 32, 42 ... deflecting sheave, 23, 33, 43 ... counterweight, 24, 34, 44 ... main rope, 51 ... first dispersion standby Zone 52... Second distributed standby zone 53. Third distributed standby zone 61. Allocation control unit 62. Distributed floor calculation unit 63.

Claims (5)

Multiple cars,
Standby control means for waiting the car when there is no call to be answered for any of the plurality of cars;
Detection means for detecting passengers in the waiting car;
An elevator comprising: a forwarding control means for forwarding the waiting car to a predetermined distributed floor after the detecting means detects that there are no passengers in the waiting car. The standby control means includes
2. The elevator according to claim 1, wherein when there is no call to be answered for one of the plurality of cars, the car is placed in a door-closing standby state.   The elevator according to claim 1, wherein the detection means is a load detection device.   The elevator according to claim 1, wherein the detection unit is a human sensor.   The elevator according to claim 1, wherein the detection means is a phototube sensor.

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