CN113213287B - Elevator unit management device and elevator unit management method - Google Patents
Elevator unit management device and elevator unit management method Download PDFInfo
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- CN113213287B CN113213287B CN202011478298.9A CN202011478298A CN113213287B CN 113213287 B CN113213287 B CN 113213287B CN 202011478298 A CN202011478298 A CN 202011478298A CN 113213287 B CN113213287 B CN 113213287B
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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
- B66B1/20—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 and for varying the manner of operation to suit particular traffic conditions, e.g. "one-way rush-hour traffic"
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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
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
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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
- B66B3/002—Indicators
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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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/20—Details of the evaluation method for the allocation of a call to an elevator car
- B66B2201/21—Primary evaluation criteria
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/20—Details of the evaluation method for the allocation of a call to an elevator car
- B66B2201/226—Taking into account the distribution of elevator cars within the elevator system, e.g. to prevent clustering of elevator cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/30—Details of the elevator system configuration
- B66B2201/308—Ganged elevator cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/403—Details of the change of control mode by real-time traffic data
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The purpose is to provide a lifter group management device capable of shortening waiting time of a lifter user and not reducing operation efficiency. The elevator group management device comprises: a congestion status information acquisition unit for acquiring a congestion status of the elevator hall on a specific floor; a recall determination unit that determines to recall the cars of at least 1 other elevator to a specific floor if information indicating elevator hall congestion at the specific floor is acquired when the cars of 1 elevator among the plurality of elevators reach the specific floor and are opened in a predetermined time zone, and hall call information at the specific floor is registered within a predetermined time period from when the cars are closed and travel is started; and an operation instruction output unit for moving the car of the elevator, which has determined to recall the car to the specific floor, to the specific floor.
Description
Technical Field
The present invention relates to a lifter group management device and a lifter group management method.
Background
Conventionally, with respect to an elevator installed in an office building or the like, if a call registration is not present for a specific time zone, a car is recalled to a preset floor and is put on standby. For example, in the attendance time zone in the morning, since there are many users who take a ladder from an entrance floor (for example, 1 floor) of a building, the time zone recalls a car of an elevator for which no call is registered to the entrance floor and stands by. By performing such control, a user who enters from the entrance layer can use the elevator without waiting.
Disclosure of Invention
However, even in the time zone in which the control is performed as described above, there is a case where the floor on which the car is recalled is not crowded and the user does not get on the elevator from the floor. In this case, if there is a user who is to get up from another floor, there is a problem in that the waiting time of the user becomes long. In such a case, after the car is returned to the predetermined floor from the floor on which the car was discarded, the car is moved to the hall call landing floor, and the operation efficiency of the elevator is lowered.
The invention provides a lifter group management device and a lifter group management method capable of controlling a plurality of lifters in a mode of not reducing operation efficiency while shortening waiting time of lifter users as much as possible.
The elevator group management device of the present invention is connected to a plurality of elevators, and includes a congestion status information acquisition unit and a call registration unit. The congestion status information acquiring unit acquires information on congestion status of a hall of a predetermined specific floor among the hall of elevators in a building in which the plurality of elevators are installed. The call registration unit registers hall call information and car call information of the plurality of elevators. The elevator group management device of the present invention includes a recall determination unit and an operation instruction output unit. The recall determination unit determines to recall the car of at least 1 other elevator among the plurality of elevators to the specific floor if information indicating that the elevator hall is crowded is acquired when the car of 1 elevator reaches the specific floor and opens the door in a predetermined time zone, and then the hall call information of the specific floor is registered within a predetermined time from when the car is closed and starts traveling. The operation instruction output unit outputs an instruction to move the car to the specific floor to at least 1 other elevator among the plurality of elevators for which recall of the car to the specific floor is determined.
According to the elevator group management device of the above configuration, the plurality of elevators can be controlled so that the waiting time of the elevator user is reduced as much as possible without deteriorating the operation efficiency.
Drawings
Fig. 1 is an overall view showing the structure of an elevator system using an elevator group management device according to an embodiment.
Fig. 2 is a flowchart showing the operation of the elevator group management device according to one embodiment.
Fig. 3A is an explanatory view showing a detection state of a user who gets on and off a photoelectric sensor provided at a door of a car connected to a elevator group management device according to an embodiment.
Fig. 3B is an explanatory diagram showing a detection state of a user who gets on and off a photoelectric sensor provided at a door of a car connected to the elevator group management device according to one embodiment.
Detailed Description
Hereinafter, an apparatus and a method according to an embodiment will be described with reference to the drawings.
An embodiment of an elevator system using the elevator group management apparatus of the present invention will be described in detail with reference to the accompanying drawings. In the present embodiment, the elevator system is used in an office building provided with two elevators. The two elevators are set to perform a recall operation for recalling the car to a specific floor when there is no call registration in a commute time zone in the morning which is a preset time zone (recall operation time zone). In the present embodiment, the specific floor at which the car is recalled by the recall operation is 1 floor having the entrance of the building.
< Structure of Elevator System Using elevator group management device according to one embodiment >
The configuration of an elevator system using the elevator group management device according to the present embodiment will be described with reference to fig. 1. The elevator system 1 of the present embodiment includes the 1 st elevator 2-1 and the 2 nd elevator 2-2 provided in the n-story building, hall operating panels 31-1 to 31-n and hall speaker devices 32-1 to 32-n provided in elevator halls 3-1 to 3-n of the respective stories, and a group management device 4 communicatively connected to the 1 st elevator 2-1, the 2 nd elevator 2-2, the hall operating panels 31-1 to 31-n and the hall speaker devices 32-1 to 32-n. In fig. 1, only the hall operating panels 31-1 to 31-n and the hall speaker devices 32-1 to 32-n of the elevator halls 3-1 to 3-n of the respective floors are shown, and the hall operating panel 31-1 and the hall speaker device 32-1 are provided in the elevator hall 3-1 of the 1 floor having the entrance of the building.
The 1 st elevator 2-1 has a 1 st car 21-1 and a 1 st elevator control device 25-1 that are elevated in the elevating path 5. The 1 st car 21-1 has doors 22-1A, 22-1B, a photosensor 23-1, and a congestion status determination device 24-1. The photosensor 23-1 has a light projector 231-1A provided at the door 22-1A and a light receiver 231-1B provided at the door 22-1B, and detects an object located between the doors in order to prevent the doors 22-1A and 22-1B from being pinched during the opening of the door of the car 21-1 in normal operation. The projector 231-1A projects light such as infrared rays when the doors 22-1A and 22-1B are opened. The light receiver 231-1B receives the light projected from the light projector 231-1A.
The congestion status determination device 24-1 is provided above the 1 st car 21-1, and determines the congestion status of the elevator hall 3-1 of the floor 1 based on the light receiving state at the light receiver 231-1B of the light projected from the light projector 231-1A when the doors 22-1A, 22-1B are opened in the elevator hall 3.
The 1 st elevator control device 25-1 acquires information on the operation status of the equipment in the 1 st elevator 2-1, and transmits the information to the group management device 4, wherein the information includes the result of the determination of the congestion status of the elevator hall 3 by the congestion status determination device 24-1 and information on the target floor designated by the operation panel (not shown) in the 1 st car 21-1. The 1 st elevator control device 25-1 operates the equipment in the 1 st elevator 2-1 in accordance with the instruction transmitted from the group management device 4.
The 2 nd elevator 2-2 has a 2 nd car 21-2 and a 2 nd elevator control 25-2. The 2 nd car 21-2 has the same structure as the 1 st car 21-1, and the 2 nd elevator control device 25-2 has the same structure as the 1 st elevator control device 25-1, so that a detailed description thereof will be omitted. Hereinafter, the elevator 2 will be described as the case where it is not necessary to determine which of the two elevators 2-1, 2-2 is.
The hall operating panels 31-1 to 31-n have operation buttons for the user to perform hall call operations, and if the operation buttons are operated, the hall call information of the floor is transmitted to the group management device 4. The hall speaker devices 32-1 to 32-n output guidance information to the users of the elevator halls 3-1 to 3-n on the floor based on the instruction from the group management device 4.
The group management device 4 includes a call registration unit 41, a congestion status information acquisition unit 42, a recall determination unit 43, and an operation instruction output unit 44. The call registration unit 41 registers information of hall calls operated by the hall operating panels 31-1 to 31-n and information of car calls at target floors designated by the operating panel in the 1 st car 21-1 and the operating panel in the 2 nd car 21-2. The congestion status information obtaining unit 42 obtains information on the congestion status of the elevator hall 3-1 on the specific floor (floor 1) determined by the congestion status determination devices 24-1 and 24-2.
The recall determination unit 43 determines whether or not the congestion status information acquisition unit 42 has acquired information indicating congestion of the elevator hall 3 on a specific floor when the car of any one of the elevators 2 arrives on the specific floor and opens the door in a predetermined recall time zone. If it is determined that information indicating congestion of the elevator hall 3 is acquired, the call registration unit 41 monitors whether or not hall calls on the specific floor are registered within a predetermined time from when the car is closed and running is started. If hall calls for a specific floor are registered within a predetermined time, the recall determination section 43 determines to recall the car of the other elevator 2 to the specific floor.
If the recall determination unit 43 determines that the elevator hall 3 is not crowded when the car of any elevator 2 arrives at the specific floor and opens the door in the predetermined recall time zone, it determines not to recall the elevator to the specific floor and stops the car of the other elevators 2 at the nearest floor.
The operation instruction output unit 44 outputs an instruction to move the car to the specific floor to the elevator 2 determined to recall the car to the specific floor by the recall determination unit 43.
< action of Elevator System according to one embodiment >
The operation of the elevator system according to the present embodiment will be described with reference to the flowchart of fig. 2. If it is determined that the current time is a previously set commute time zone (recall operation time zone) in the morning (yes in S1), it is monitored whether or not the car of either one of the two elevators 2-1, 2-2 has reached 1 floor as a specific floor and the door has been opened (S2). Here, it is assumed that the 1 st car 21-1 of the 1 st elevator 2-1 reaches the 1 st floor and opens the door.
If the 1 st car 21-1 is open, the photosensor 23-1 begins detection of an object between the car doors 22-1A and 22-1B. Here, if the user moves between the elevator hall 3 and the 1 st car 21-1, the light projected from the light projector 231-1A of the photosensor 23-1 is blocked by the user and is not received by the light receiver 231-1B during the moving-on/off operation. Thereby, the user who performs the boarding and disembarking is detected.
With reference to fig. 3A and 3B, a change in the light receiving state of the light receiver 231-1B due to the user's riding condition will be described. In fig. 3A and 3B, the horizontal axis indicates the passage of time, and the vertical axis indicates the light receiving state (light receiving ON, light non-light receiving OFF) of the light receiver 231-1B.
Fig. 3A shows a change in the light receiving state of the light receiver 231-1B when a waiting user in the elevator hall 3 enters the car 21-1 after the user in the 1 st car 21-1 gets off.
In the period when the user in the 1 st car 21-1 gets OFF, the light receiving state at the light receiving device 231-1B is turned OFF (t 1, t2, and t 3) for a predetermined time every time the user gets OFF the car between the doors 22-1A and 22-1B. If the user waiting in the elevator hall 3 starts to get on the elevator after a predetermined time (t 4) from getting OFF the elevator, the light receiving state is turned OFF at the light receiving device 231-1B for a predetermined time (t 5, t6, and t 7) every time the user gets on the elevator passes between the doors 22-1A and 22-1B.
At this time, when the elevator hall 3 is not crowded and the waiting users enter the 1 st car 21-1 at a normal walking speed, the time (t 5, t6, and t 7) for the OFF state of the light receiver 231-1B for each entry operation becomes substantially constant.
Fig. 3B shows a change in the light receiving state of the light beam in the light receiver 231-1B in the case where a waiting user enters the car 21-1 when the elevator hall 3 is crowded.
When the elevator hall 3 is congested, as a waiting user enters the car 21-1, the congestion degree in the car 21-1 increases, and the entry speed of the user decreases. Therefore, the time for turning on the light receiver 231-1B in each operation becomes longer (t 8 to t 14).
The information of the light receiving state of the light receiver 231-1B, which changes as described above, according to the congestion state of the elevator hall 3 is acquired by the congestion state determination device 24-1.
The congestion status determination device 24-1 determines whether or not the elevator hall 3 is congested based on the information of the light receiving status acquired from the light receiver 231-1B. That is, when the user in the 1 st car 21-1 gets OFF and then gets on the elevator, the elevator hall 3 is continuously in the OFF state for a certain period of time, it is determined that the elevator hall 3 is not crowded. Further, if the OFF state time is gradually longer, it is determined that the elevator hall 3 is crowded. The result of the determination of the congestion state of the elevator hall 3 by the congestion state determination device 24-1 is transmitted to the group management device 4 via the 1 st elevator control device 25-1.
The congestion status information acquiring unit 42 acquires the result of the acquired congestion status determination of the elevator hall 3 from the group management device 4. Here, if a determination result is obtained that the elevator hall 3 is determined to be crowded (yes in S3), when the 1 st car 21-1 is closed and traveling is started, the operation instruction output unit 44 determines whether or not there is a hall call occurring at a floor closer than the nearest car call registration floor with respect to the 1 st elevator 2-1 (S5).
When it is determined that there is a hall call occurring on a floor closer than the nearest car call registration floor (yes in S5), it is determined that the user cannot enter the 1 st car 21-1 again due to congestion in the 1 st car 21-1, and an instruction to set the hall call to be not answered is sent to the 1 st elevator control device 25-1 (S6). Thus, the 1 st car 21-1 moves straight toward the nearest car call answering floor.
After the instruction to set the hall call to no answer is sent in step S6, or when it is determined in step S5 that there is no hall call occurring on a floor closer than the nearest car call registration floor (no in S5), the recall determination section 43 determines whether or not hall call operation is performed on the hall operation panel 31-1 on the 1 st floor within a predetermined time from the start of travel of the 1 st car 21-1 (S7).
When hall call operation is performed on floor 1 for a predetermined period of time, the recall determination unit 43 determines that there is a user waiting for no entry into the 1 st car 21-1 or a user waiting for a new entry in the elevator hall 3, and determines to recall the 2 nd car 21-2 of the 2 nd elevator 2-2 on the other side to floor 1. Then, the operation instruction output unit 44 generates a specific floor movement instruction for moving the 2 nd car 21-2 to the 1 st floor, and transmits the instruction to the 2 nd elevator control device 25-2 (S8).
If the 2 nd elevator control device 25-2 is in a state of not registering a car call and hall call of the 2 nd elevator 2-2, the 2 nd car 21-2 is moved to the 1 st floor.
When the determination result of determining that the elevator hall 3 is not crowded is obtained in step S3 (no in S3), or when no hall call operation is performed on floor 1 within a predetermined time period in step S7 (no in S7), the recall determination unit 43 determines that the user waiting in the elevator hall 3 is not waiting, and determines not to recall the 2 nd car 21-2 to floor 1 and to stop on the nearest floor, for example, the abandoned floor. Then, the operation instruction output unit 44 generates a nearest floor arrival instruction for the 2 nd car 21-2 to reach the nearest floor, and transmits the nearest floor arrival instruction to the 2 nd elevator control device 25-2 (S9).
If the 2 nd elevator control device 25-2 is in a state of not registering a car call and hall call of the 2 nd elevator 2-2, the 2 nd car 21-2 is brought to the nearest floor.
If the 2 nd car 21-2 reaches the nearest floor, the car is not waiting at floor 1. Therefore, if the nearest floor arrival instruction is transmitted in step S9, the operation instruction output unit 44 outputs, from the hall speaker device 32-1 of the floor 1, guidance information for prompting the hall call operation and guidance information indicating the time required until the arrival of the car into the elevator hall 3 (S10).
According to the above embodiment, it is possible to control both elevators so as not to reduce the waiting time of a user entering from a specific floor as much as possible, while not deteriorating the operation efficiency.
In the above embodiment, the case where two elevators 2-1, 2-2 are provided in the elevator system 1 has been described, but 3 or more elevators may be provided. In this case, if it is determined by the congestion status determination device of the car of one elevator that the elevator hall of a specific floor is congested, after the start of the travel of the car, a hall call of the specific floor is registered within a predetermined time, control is performed to recall the car of at least 1 other elevator to the specific floor. When it is determined by the congestion status determination device of the car of a certain elevator that the elevator hall of a specific floor is not congested or when it is determined that the elevator hall of a specific floor is congested, the cars of all other elevators are allowed to reach the nearest floor, for example, a floor to be discarded, until the next car of a certain elevator reaches a specific floor and opens the door when a hall call of a specific floor is not registered within a predetermined time after the start of the travel of the car.
The embodiments of the present invention have been described, but the embodiments are presented as examples and are not intended to limit the scope of the invention. The novel embodiment can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the scope of the invention. The present embodiment and its modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and their equivalents.
Claims (5)
1. A lifter group management device connected with a plurality of lifters; the device is provided with: a congestion status information acquisition unit configured to acquire information on congestion status of a hall of a predetermined specific floor among the hall of elevators in a building in which the plurality of elevators are installed; a call registration unit configured to register hall call information and car call information of the plurality of elevators; a recall determination unit that, in a time zone in which recall operation is set for recalling a car of an elevator that is not registered with call information to the specific floor, determines that, when the car of 1 elevator among the plurality of elevators arrives at the specific floor and opens the door, the car of another elevator that is not registered with call information is not recalled to the specific floor and arrives at the nearest floor in a period until the car of the next elevator arrives at the specific floor and opens the door, when information indicating that the elevator hall of the specific floor is not crowded is acquired by the crowded condition information acquisition unit, or when information indicating that the elevator hall of the specific floor is crowded is acquired, but the hall call information of the specific floor is not registered within a predetermined time from the start of travel of the car closing the door; and an operation instruction output unit configured to output an instruction to move the car to the specific floor for the elevator for which the recall determination unit has determined to recall the car to the specific floor, and to output an instruction to move the car to the nearest floor for the elevator for which the determination unit has determined to move the car to the nearest floor.
2. The elevator group management apparatus according to claim 1, wherein the congestion status information acquiring unit acquires information on congestion status of the specific floor based on a condition of a user getting on or off the elevator car detected by photoelectric sensors provided in the elevator cars of the plurality of elevators.
3. The elevator group management device according to claim 1 or 2, wherein the elevator group management device is connected to an output device provided in the specific floor; the operation instruction output unit causes the output device to output guide information for prompting hall call operation and guide information indicating a time required until arrival of the car, if the recall determination unit determines that the car of at least 1 other elevator among the plurality of elevators has arrived at the nearest floor.
4. The elevator group management apparatus according to claim 1 or 2, wherein the operation instruction output unit outputs an instruction to set a hall call, which occurs in a floor closer than a nearest car call registration floor, as a non-response to 1 elevator of the plurality of elevators after the recall determination unit determines that the elevator hall on the specific floor is crowded and the car is closed to start traveling.
5. A lifter group management method, wherein a lifter group management device connected with a plurality of lifters comprises: a recall determination step of determining, in a time zone in which recall operation is set for recalling a car of an elevator that is not registered with call information to a predetermined specific floor, that, when a car of 1 elevator among the plurality of elevators arrives at the specific floor and opens the door, if information indicating that a hall of the elevator at the specific floor is not crowded is acquired, or if hall call information that is not registered with the specific floor within a predetermined time from when the car starts to close the door is acquired, that the car of another elevator that is not registered with call information is not recalled to the specific floor until a next elevator arrives at the specific floor and opens the door, so that the car of the other elevator arrives at the nearest floor; and an operation instruction output step of outputting an instruction to move the car to the specific floor for the elevator for which the recall determination step determines to recall the car to the specific floor, and outputting an instruction to move the car to the nearest floor for the elevator for which the determination step determines to move the car to the nearest floor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020016971A JP6923686B1 (en) | 2020-02-04 | 2020-02-04 | Elevator group management device and elevator group management method |
| JP2020-016971 | 2020-02-04 |
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| CN113213287A CN113213287A (en) | 2021-08-06 |
| CN113213287B true CN113213287B (en) | 2023-05-23 |
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| CN (1) | CN113213287B (en) |
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| JP6215286B2 (en) * | 2015-12-01 | 2017-10-18 | 東芝エレベータ株式会社 | Elevator group management system |
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| JPS52129139A (en) * | 1976-04-23 | 1977-10-29 | Hitachi Ltd | Group elevator controlling system |
| JPS5895081A (en) * | 1981-11-28 | 1983-06-06 | 株式会社東芝 | Method of controlling group of elevator |
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| JP2008265923A (en) * | 2007-04-18 | 2008-11-06 | Toshiba Elevator Co Ltd | Elevator |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6923686B1 (en) | 2021-08-25 |
| CN113213287A (en) | 2021-08-06 |
| JP2021123443A (en) | 2021-08-30 |
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