CN113213287A - 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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- CN113213287A CN113213287A CN202011478298.9A CN202011478298A CN113213287A CN 113213287 A CN113213287 A CN 113213287A CN 202011478298 A CN202011478298 A CN 202011478298A CN 113213287 A CN113213287 A CN 113213287A
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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
An elevator group management device capable of shortening the waiting time of an elevator user and preventing the reduction of the operation efficiency. The elevator group management device is provided with: a congestion status information acquisition unit that acquires the congestion status of the elevator hall of a specific floor; a call-back determination unit which determines to call back the cars of at least 1 other elevator to a specific floor if information indicating that the elevator hall of the specific floor is crowded is acquired when the cars of 1 elevator of the plurality of elevators reach the specific floor and are opened during a predetermined time zone and hall call information of the specific floor is registered within a predetermined time period from the start of travel when the cars are closed; the operation instruction output unit moves the car, which determines the elevator to call back the car to the specific floor, to the specific floor.
Description
Technical Field
The present invention relates to an elevator group management device and an elevator group management method.
Background
Conventionally, an elevator installed in an office building or the like is controlled so that if a call registration does not exist in a specific time zone, a car is recalled to a preset floor and made to stand by. For example, in the morning during the attendance time zone, since there are many users who take the elevator from the entrance floor (for example, floor 1) of the building, the elevator car in which no call registration exists is called back to the entrance floor and is put on standby in the time zone. By performing such control, a user entering from the entrance floor can use the elevator without waiting.
Disclosure of Invention
However, even in the time zone in which the above-described control is performed, the floor where the car is to be returned is not crowded, and the user may not get on the car from the floor. In this case, if there is a user who wants to get on the elevator from another floor, there is a problem that the waiting time of the user may become long. In such a case, the elevator car is returned to the predetermined floor from the floor on which the elevator car was previously abandoned, and then moved to the registration floor called by the hall, which lowers the operation efficiency of the elevator.
The present invention provides an elevator group management device and an elevator group management method, which can control a plurality of elevators in a mode of shortening the waiting time of elevator users as much as possible and not reducing the operation efficiency.
An elevator group management device according to 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 the congestion status of an elevator hall of a specific floor set in advance among elevator halls in a building in which the plurality of elevators are installed. The call registering unit registers hall call information and car call information of the plurality of elevators. The elevator group management device according to the technical scheme is provided with a recall determination part and an action instruction output part. The call back determination unit determines to call back the car of at least 1 other elevator of the plurality of elevators to the specific floor if information indicating that the elevator hall of the specific floor is congested is acquired when the car of 1 elevator of the plurality of elevators reaches the specific floor and is opened during a predetermined time zone and 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 the recall of the car to the specific floor is determined.
According to the elevator group management device having the above configuration, it is possible to control the plurality of elevators so as not to decrease the operation efficiency while shortening the waiting time of the elevator user as much as possible.
Drawings
Fig. 1 is an overall diagram showing a configuration of an elevator system using an elevator group management device according to an embodiment.
Fig. 2 is a flowchart showing an operation of the elevator group management device according to the embodiment.
Fig. 3A is an explanatory diagram showing a state of detection by a user of the entry and exit of a photoelectric sensor provided in a door of a car connected to an elevator group management device according to an embodiment.
Fig. 3B is an explanatory diagram showing a state of detection by a user of the entry and exit of a photoelectric sensor provided in a door of a car connected to the elevator group management device according to the embodiment.
Detailed Description
Hereinafter, the apparatus and method according to the embodiment will be described with reference to the drawings.
An embodiment of an elevator system using an elevator group management device according to the present invention will be described in detail with reference to the drawings. In the present embodiment, the elevator system is used in an office building in which two elevators are installed. These two elevators are set to perform a call-back operation for calling the car to a specific floor when there is no call registration in a commuting time zone in the morning which is a preset time zone (call-back operation time zone). In the present embodiment, the specific floor on which the car is recalled by the recall operation is floor 1 having an entrance to a building.
< construction of elevator System Using Elevator Unit 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 a 1 st elevator 2-1 and a 2 nd elevator 2-2 installed in a building of n floors, hall operation panels 31-1 to 31-n and hall speaker devices 32-1 to 32-n installed in elevator halls 3-1 to 3-n of each floor, and a group management device 4 communicatively connected to the 1 st elevator 2-1, the 2 nd elevator 2-2, the hall operation panels 31-1 to 31-n and the hall speaker devices 32-1 to 32-n. In fig. 1, only hall operation panels 31-1 to 31-n and hall speaker devices 31-1 to 32-n of elevator halls 3-1 to 3-n of each floor are shown, and hall operation panel 31-1 and hall speaker device 32-1 provided in elevator hall 3-1 of 1 floor having an entrance of a building are shown.
The 1 st elevator 2-1 has a 1 st car 21-1 that ascends and descends in the elevator shaft 5 and a 1 st elevator control device 25-1. The 1 st car 21-1 includes doors 22-1A and 22-1B, a photoelectric sensor 23-1, and a congestion status determination device 24-1. The photoelectric sensor 23-1 has a light projector 231-1A provided in the car door 22-1A and a light receiver 231-1B provided in the car door 22-1B, and is used for detecting an object present between the car doors in normal operation, with the object of preventing the car door 22-1A and the car door 22-1B from being caught when the car 21-1 opens the door. 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 at level 1 based on the light reception 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 the operation condition information of the equipment in the 1 st elevator 2-1, which includes the result of the judgment of the congestion status of the elevator hall 3 by the congestion status judgment device 24-1 and the information of the destination floor specified by the operation panel (not shown) in the 1 st car 21-1, and transmits the information to the group management device 4. Further, 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 device 25-2. The 2 nd car 21-2 has the same configuration as the 1 st car 21-1, and the 2 nd elevator control device 25-2 has the same configuration as the 1 st elevator control device 25-1, so detailed description is omitted. Hereinafter, the elevator 2 is described as a case where it is not necessary to determine which of the two elevators 2-1 and 2-2 is the elevator.
The hall operation panels 31-1 to 31-n have operation buttons for the user to perform hall call operations, and when the operation buttons are operated, information of hall calls of the floor is transmitted to the group management device 4. The hall speaker devices 32-1 to 32-n output guidance information to users of the elevator halls 3-1 to 3-n on the floor in accordance with instructions 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 registering part 41 registers information of hall calls operated by hall operation panels 31-1 to 31-n and information of car calls of a destination floor specified by an operation panel in the 1 st car 21-1 and an operation panel in the 2 nd car 21-2. The congestion status information acquiring unit 42 acquires information on the congestion status of the elevator hall 3-1 at the specific floor (floor 1) determined by the congestion status determining devices 24-1 and 24-2.
When the car of any one of the elevators 2 arrives at a specific floor and is opened during a predetermined recall time zone, the recall determination unit 43 determines whether or not the congestion status information acquisition unit 42 has acquired information indicating that the elevator hall 3 at the specific floor is congested. If it is determined that information indicating that the elevator hall 3 is congested is acquired, the call registration unit 41 monitors whether or not a hall call for the specific floor is registered within a predetermined time from the start of travel of the car after the door of the car is closed. The recall determination unit 43 determines to recall the car of the other elevator 2 to the specific floor if the hall call of the specific floor is registered within the predetermined time.
In addition, if the recall determination unit 43 determines that information indicating that the elevator hall 3 is not crowded is acquired when the car of any one of the elevators 2 arrives at a specific floor and the door is opened in a predetermined recall time zone, it determines not to recall to the specific floor and stops the cars 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 for the elevator 2 for which the recall determination unit 43 determines to recall the car to the specific floor.
< operation 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 preset commuting time zone (recall operation time zone) in the morning (yes at S1), it is monitored whether or not the car of any one of the two elevators 2-1, 2-2 has reached the floor 1 as the specific floor and the door is 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 opens the door, the photosensor 23-1 begins detection of an object that is between the doors 22-1A and 22-1B. Here, if the user gets on and off 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 in the getting on and off operation. This detects a user who is riding on or off the vehicle.
With reference to fig. 3A and 3B, a change in the light receiving state of the light receiver 231-1B due to the ascending/descending state of the user will be described. In fig. 3A and 3B, the horizontal axis represents the passage of time, and the vertical axis represents the light receiving state (ON when light is received and OFF when light is not received) of the light receiver 231-1B.
Fig. 3A shows a change in the light receiving state of the light in the light receiver 231-1B when a user waiting in the elevator hall 3 enters the car 21-1 after getting off the car 21-1 by the user in the 1 st car 21-1.
In the period in which the user in the 1 st car 21-1 gets OFF, the light receiving state at the light receiver 231-1B is turned OFF for a predetermined time every time the user gets OFF between the doors 22-1A and 22-1B (t1, t2, and t 3). When the waiting user in the elevator hall 3 starts boarding after a predetermined time (t4) elapses from the time when the user gets OFF the elevator, the light receiving state is set to the OFF state for a predetermined time by the light receiver 231-1B every time the user who rides the elevator passes between the doors 22-1A and 22-1B (t5, t6, and t 7).
At this time, when the user waiting in each hall 3 enters the 1 st car 21-1 at a normal walking speed without being crowded, the time (t5, t6, and t7) of 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 in the light receiver 231-1B when a user waiting enters the car 21-1 when the elevator hall 3 is crowded.
When the elevator hall 3 is crowded, the crowd in the car 21-1 increases as the waiting user enters the car 21-1, and the entry speed of the user decreases. Therefore, the time for the light receiver 231-1B to enter the OFF state in each operation becomes long (t8 → 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 the elevator hall 3 is congested based on the information of the light receiving state acquired from the light receiver 231-1B. That is, when an OFF state continuously occurs for a certain period of time due to the user of the elevator hall 3 riding on the elevator car after the user in the 1 st car 21-1 gets OFF the elevator car, it is determined that the elevator hall 3 is not congested. When the time period of the OFF state gradually becomes longer, it is determined that the elevator hall 3 is congested. The result of the congestion status determination of the elevator hall 3 by the congestion status determination device 24-1 is transmitted to the group management device 4 via the 1 st elevator control device 25-1.
The obtained determination result of the congestion status of the elevator hall 3 with respect to the group management device 4 is obtained by the congestion status information obtaining unit 42. Here, if the determination result that it is determined that the elevator hall 3 is congested is obtained (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 to 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 at a floor closer to the nearest car call registration floor (yes at S5), it is determined that the 1 st car 21-1 is already congested and the user cannot enter any more, and an instruction to set the hall call as a non-response is transmitted to the 1 st elevator control device 25-1 (S6). Thereby, the 1 st cage 21-1 moves straight toward the nearest car call answering floor.
When the hall call is not answered when the instruction to set the hall call to non-answer is transmitted in step S6 or when it is determined in step S5 that there is no hall call occurring at a floor closer to the nearest car call registration floor (no in S5), the recall determination unit 43 determines whether or not the hall call operation is performed on the hall operation panel 31-1 at floor 1 within a predetermined time from the start of travel of the 1 st car 21-1 (S7).
When a hall call operation is performed at floor 1 for a predetermined time, the recall determination unit 43 determines that there is a user who is not entering the waiting state of the 1 st car 21-1 in the elevator hall 3 or a user who is newly entering the waiting state, 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 floor-specific movement instruction to move the 2 nd car 21-2 to the 1 st floor, and transmits the floor-specific movement instruction to the 2 nd elevator control device 25-2 (S8).
If the 2 nd elevator control device 25-2 is in a state where the car call and hall call of the 2 nd elevator 2-2 are not registered, the 2 nd car 21-2 is moved to the floor 1.
When the determination result that it is determined that the elevator hall 3 is not congested is obtained in step S3 (no in S3), or when the hall call operation is not performed on floor 1 within a predetermined time period in step S7 (no in S7), the recall determination unit 43 determines that there is no waiting user in the elevator hall 3, and determines that the 2 nd car 21-2 is not recalled to floor 1 and stops at the nearest floor, for example, a transfer floor. Then, the operation instruction output unit 44 generates a nearest floor arrival instruction for causing the 2 nd car 21-2 to arrive at the nearest floor, and transmits the instruction to the 2 nd elevator control device 25-2 (S9).
If the 2 nd elevator control device 25-2 is in a state where the car call and hall call of the 2 nd elevator 2-2 are not registered, 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 on standby at floor 1. Therefore, if the nearest floor arrival instruction is transmitted in step S9, the operation instruction output unit 44 outputs guidance information for prompting hall call operation and guidance information indicating the time required until the car arrives from the hall speaker device 32-1 on floor 1 into the elevator hall 3 (S10).
According to the above embodiment, it is possible to control two elevators so as not to decrease the operation efficiency while shortening the waiting time of the user who enters from the specific floor as much as possible.
In the above-described embodiment, the case where two elevators 2-1 and 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 the specific floor is congested and a hall call of the specific floor is registered within a predetermined time after the start of travel of the car, control is performed so that the cars of at least 1 other elevator are recalled 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 a hall call of a specific floor is not registered within a predetermined time after the start of travel of the car although 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 landing to be abandoned until the car of a certain elevator reaches the specific floor and is opened.
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 new embodiment can be implemented in other various forms, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. The embodiment and the modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
Claims (6)
1. A management device of a lifting machine set is connected with a plurality of lifting machines;
it is provided with:
a congestion status information acquisition unit configured to acquire information on a congestion status of an elevator hall of a specific floor set in advance among elevator halls in a building in which the plurality of elevators are installed;
a call registration unit that registers hall call information and car call information of the plurality of elevators;
a call registration unit configured to register hall call information of the specific floor in the call registration unit within a predetermined time period after information indicating that the elevator hall of the specific floor is congested is acquired by the congestion status information acquisition unit when the car of 1 of the plurality of elevators reaches the specific floor and is opened during a predetermined time period and the hall call information of the specific floor is registered in the call registration unit after the car is closed and starts traveling; and
and an operation instruction output unit that outputs an instruction to move the car to the specific floor for at least 1 other elevator of the plurality of elevators for which the recall determination unit determines to recall the car to the specific floor.
2. The elevator group management apparatus according to claim 1,
in the predetermined time zone, when the car of 1 of the plurality of elevators reaches the specific floor and opens the door, when information indicating that the elevator hall of the specific floor is not congested is acquired, or when the hall call information of the specific floor is not registered within a predetermined time after the car of the one of the plurality of elevators is closed and starts traveling although the information indicating that the elevator hall of the specific floor is congested is acquired, the call back determination unit determines that the car of at least 1 other elevator of the plurality of elevators reaches the nearest floor during a period until the car of the one elevator of the plurality of elevators reaches the specific floor and opens the door next;
the operation instruction output unit outputs an instruction to cause the car to reach the nearest floor to at least 1 other elevator of the plurality of elevators for which the recall determination unit determines that the car is to be caused to reach the nearest floor.
3. The elevator group management apparatus according to claim 1 or 2,
the congestion status information acquiring unit acquires information on the congestion status of the specific floor, the information being determined based on the boarding/alighting status of the car by the user detected by the photoelectric sensors provided in the cars of the plurality of elevators.
4. The elevator group management apparatus according to claim 2,
the elevator group management device is connected with an output device arranged in the specific floor;
the operation instruction output unit causes the output device to output guidance information for prompting a hall call operation and guidance information indicating a time required until the car arrives, if the recall determination unit determines that the car of at least 1 other elevator of the plurality of elevators arrives at the nearest floor.
5. The elevator group management apparatus according to claim 1 or 2,
when the recall determination unit determines that the elevator hall of the specific floor is congested and the car is closed and starts traveling, the operation instruction output unit outputs an instruction to set a hall call occurring at a floor closer to the nearest car call registration floor as a non-response to 1 of the plurality of elevators.
6. A method for managing an elevator group, wherein,
the elevator group management device connected with a plurality of elevators comprises:
a call-back determination step of determining that the car of at least 1 other elevator of the plurality of elevators should be called back to a specific floor if information indicating that the elevator hall of the specific floor is congested is acquired when the car of 1 elevator of the plurality of elevators reaches the preset specific floor and is opened during a predetermined time zone and then hall call information of the specific floor is registered within a predetermined time period from when the car is closed and starts traveling; and
and an operation instruction output step of outputting an instruction to move the car to the specific floor for at least 1 other elevator of the plurality of elevators for which the recall of the car to the specific floor is determined in the recall determination step.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020-016971 | 2020-02-04 | ||
| JP2020016971A JP6923686B1 (en) | 2020-02-04 | 2020-02-04 | Elevator group management device and elevator group management method |
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| Publication Number | Publication Date |
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| CN113213287A true CN113213287A (en) | 2021-08-06 |
| CN113213287B CN113213287B (en) | 2023-05-23 |
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| CN202011478298.9A Active CN113213287B (en) | 2020-02-04 | 2020-12-15 | Elevator unit management device and elevator unit management method |
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| CN (1) | CN113213287B (en) |
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| CN104891282A (en) * | 2015-06-11 | 2015-09-09 | 宁波江东晟利工业产品设计有限公司 | Automatically opening and closing elevator based on infrared sensor detection |
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| Publication number | Publication date |
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| CN113213287B (en) | 2023-05-23 |
| JP2021123443A (en) | 2021-08-30 |
| JP6923686B1 (en) | 2021-08-25 |
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