EP2609027A1 - Système d'ascenseur et procédé pour localiser des ascenseurs de desserte en réponse à chaque appel de cabine émis - Google Patents

Système d'ascenseur et procédé pour localiser des ascenseurs de desserte en réponse à chaque appel de cabine émis

Info

Publication number
EP2609027A1
EP2609027A1 EP11871975.6A EP11871975A EP2609027A1 EP 2609027 A1 EP2609027 A1 EP 2609027A1 EP 11871975 A EP11871975 A EP 11871975A EP 2609027 A1 EP2609027 A1 EP 2609027A1
Authority
EP
European Patent Office
Prior art keywords
elevator
car
elevator system
passenger
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11871975.6A
Other languages
German (de)
English (en)
Inventor
Kit Meng Chan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2609027A1 publication Critical patent/EP2609027A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/2408—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration where the allocation of a call to an elevator car is of importance, i.e. by means of a supervisory or group controller
    • B66B1/2458—For elevator systems with multiple shafts and a single car per shaft
    • 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
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
    • B66B1/42—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive
    • B66B1/425—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive adapted for multi-deck cars in a single car frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0206—Car frames
    • B66B11/0213—Car frames for multi-deck cars
    • B66B11/022—Car frames for multi-deck cars with changeable inter-deck distances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/10—Details with respect to the type of call input
    • B66B2201/103—Destination call input before entering the elevator car
    • 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
    • B66B2201/212—Travel time

Definitions

  • the present invention relates to an elevator system and methods to automatically prompt car calls, to determine the number of passengers to be provided with serving elevators, to allocate the serving elevators and to cancel prompted car calls on the basis of judgment on passenger actions.
  • a conventional car call is prompted through entry of up/down buttons of a call unit.
  • the elevator system registers a car call after a button has been pushed by the passenger.
  • There are two features used in the elevator system which are believed to reduce passenger waiting time and power consumption.
  • the other feature enables a passenger to prompt car calls through a portable wireless device. Problems arise as in wrong entry of destination floor number and false calls.
  • the elevator system with possession of intelligence ought to receive information including signals and data internal and/or external to the elevator system .
  • the two general areas of interest include reduced passenger waiting time and reduced power consumption.
  • a car call is automatically prompted as the elevator system determines allocation of serving elevator on the basis of information gathered through monitoring passenger actions around the doorways and the waiting lobbies within a building. Other sources of information relate to statistics and archival data.
  • the elevator system determines to prompt a car call upon passenger detection at or approaching a doorway within a building containing the elevator system and defining a passenger's traveling path that leads to the elevator doorways in a car all floor.
  • the elevator system prompts a car call on behalf of the passenger and at the maximum distance from the elevator doorways possible, thereby allocating one or more serving elevators anterior to passenger arrival at the elevator doorways.
  • the allocated serving car is allocated in accordance with the needs for maximal reduction in passenger waiting time period anterior to serving car landing at the car call floor, and/or attainment of maximal power conservation and operation efficacies.
  • the elevator system also determines if the detected passenger approaches or evades from the elevator doorways and cancels a prompted car call once it determines that serving elevator is no longer demanded, thereby bringing false calls to a minimal.
  • FIG.1 illustrates an environment with an elevator system having communicatively linked with a n external device.
  • FIG.2 illustrates the temporal progress of automated allocation of a serving elevator by the system.
  • FIG.3 presents a method implemented by the system in a functional block diagram.
  • FIG.1 presents an example of a traffic environment in a building, which arrangement comprises the waiting lobby 108 located at the garage floor 107 and the waiting lobby 101 located at the tenant floor 100 .
  • Passengers are served by two elevator cars 110 to commute between the garage floor 107 and a plurality of tenant floors 100 .
  • the elevator system components provided at the tenant floor 100 include elevator doorways 111 equipped with elevator doors 112 , floor displays 115 and call unit 116 .
  • the door sensing devices 122 are installed for detection of the open-state and closed-state of the doorways 123 of residence units 140 and the emergency doorway 133 .
  • the surveillance device 131 monitors said doorways 123 .
  • the elevator system is controlled by means of a control unit (not shown in FIG.1) which communicates with the call units 116 , and the elevator car controllers (not shown in FIG.1) of the elevator cars 110 .
  • the control unit is a computer provided with a processor, memory and the required interfaces and software.
  • An independently operating device 190 is connected to the light fixture 192 , the occupancy sensor 191 , the entry reader 103 , the entry control gate 105 , the exit reader 104 , and the exit control gate 106 , provided at the garage floor 107 , as well as, the light fixture 192 and the occupancy sensor 191 provided at the tenant floor 100 .
  • the device 190 is communicatively linked with the elevator system.
  • a passenger in a vehicle (not shown) is detected by the reader 103 either by using buttons or an electrically readable identification means. If access to the garage floor 107 is subject to verification of access rights, then the passenger is required to additionally enter a personal identification code, which may be based on a PIN code manually keyed in or on automatically readable electric identification means. The identification may also contain the location of the corresponding parking space 109 and the residence unit 140 at tenant floor 100 . Verification of access rights may be performed either in the device 190 , or alternatively in the elevator system.
  • the control unit receives the information pertaining to passenger entry to the garage floor 107 , and the passenger's identification: it retrieves the information of the location of the corresponding parking space 109 and the residence unit 140 at tenant floor 100 for calculation of a passenger traveling time period by setting forth the entry control gate 105 as the starting point and one of the two elevator doorways 111-1 , 111-2 , of the serving elevator as the final point of the passenger's traveling path.
  • a car call is prompted by the elevator system.
  • a cost function is determined which contains one or more landing time factors for assessment of elevator car alternatives.
  • the cost value of each elevator car alternative is calculated in conformity with the cost function, the elevator car alternative having the lowest cost value is allocated for the passenger as the serving elevator.
  • FIG.2 presents an aspect of an elevator system allocating a serving elevator for passengers , wherein a door sensing device 122 is embedded at the doorway 123 of a tenant unit 140 , a surveillance device 131 for monitoring passenger actions around the doorway 123 and/or occupancy in the waiting lobby 101 .
  • the elevator system automatically prompts a car call based on passenger actions, determines the number of passengers, determines the time of their arrival at the elevator doorway 111 of the serving elevator , and allocates one or more selected elevator cars for serving the passengers;
  • the first passenger at position 20m opens the door 124 , along with the second passenger at position 20f in the tenant unit 140 ;
  • the door sensing device 122 detects the open-state of the doorway 123 ;
  • the elevator system defines a passenger's traveling path, having set forth the doorway 123 as the starting point and an elevator doorway 111 of the serving elevator as the final point;
  • the first passenger moves to position 21m
  • the second passenger moves to position 21f ;
  • the surveillance device 131 detects the two passengers
  • the door sensing device 122 detects the closed-state of the doorway 123 ;
  • the elevator system determines, on the basis of the signals/information received from the door sensing device 122 and/or the surveillance device 131 , there are two passengers, and to allocate a serving elevator - a car call is automatically prompted;
  • a passenger traveling time period is calculated for determination of the time period required for the passengers to travel through the passenger's traveling path
  • the elevator system determines a cost function which contains two landing time factors for assessment of two elevator car alternatives
  • the elevator system calculates the cost value of each elevator car alternative and allocates a selected elevator car having a lower cost value as the serving elevator;
  • the first passenger moves to position 22m
  • the second passenger moves to position 22f ;
  • the surveillance device 131-2 detects wireless signals/information receiving from a wireless portable device (not shown) carried by the first passenger;
  • the serving elevator 110-1 (not shown) lands at the tenant floor 100 after the passenger traveling time period elapses;
  • the elevator doors 112-1 are opened (not shown);
  • the first passenger and the second passenger enter through the elevator doorway 111-1 and board the serving elevator 110-1 ;
  • the surveillance device 131-2 receives no more wireless signals/information and detects no more occupancy
  • the elevator doors 112-1 are closed when the preset normal door-open time period elapses;
  • the serving elevator 110-1 travels to the input destination floors
  • a control device determines, on the basis of detection through sensors, that the waiting lobby 101 is unattended with passengers and sends the information to the elevator system via a communicative linkage;
  • the elevator system switches hall lanterns 114-1 , 114-2 , floor displays 115-1 , 115-2 , and call unit 116 from an operation mode to a power reduced mode.
  • FIG.3 presents a method implemented by the system in a functional block diagram.
  • the signals/information sent by a monitoring point (such as a door sensing device or a surveillance device), indicating a doorway changes from a closed-state to an open-state and/or a passenger at said doorway, is received along with the identifier of the monitoring point.
  • the elevator system retrieves information in compliance with the identifier from a storage means; said information attributes to the uniqueness of a doorway, such as the location and the users of said doorway.
  • the elevator system transmits signals/information to a portable wireless device, and receives from it the identifier and other information including real-time data which attributes to its uniqueness.
  • the signals/information may also be tagged with identification of the passenger's personal identification code; the elevator system storage means also contains stored information about passengers' destination data.
  • the elevator system defines a passenger's traveling path, by setting forth the starting point a doorway corresponding to an automatically prompted car call, to the final point an elevator doorway of the allocated serving elevator.
  • the elevator system may set forth any location within a building containing the elevator system as the starting point.
  • a cost function is determined taking into account at least one landing time factor, which is used for assessing the elevator car alternatives.
  • the landing time factor value compliant with the scheduled landing time at each landing floor of an elevator car alternative is determined on the basis of a criterion dependent on the state of the elevator system.
  • Block 330 contains some of those criteria using real-time operation data such as car call floor -specific traffic intensity, traffic type and traffic intensity prevailing in the elevator system, general power consumption prevailing in the elevator system, other uprising situation prevailing in the elevator system.
  • car call floor -specific traffic intensities are determined on the basis of a determined number of passengers, sustained car calls prompted through automation and entered by passengers.
  • the block comprises monitoring of signals internal and/or signals external to the elevator system which are indicative of exceptional situations in the elevator system.
  • the elevator system obtains information sent by one or more monitoring devices indicating that the doorway resumes a closed-state, and/or, the passenger is in the waiting lobby.
  • the elevator system determines to allocate at least one serving elevator for the detected passenger and automatically prompts a car call .
  • the elevator system rules out provision of serving elevator.
  • the elevator system determines the number of passengers, by using methods such as timing the duration of the open-state of the doorway, processing the images captured with an image capturing device, or monitoring the number of radio frequency signals received from portable wireless devices, and so forth.
  • a passenger traveling time period is calculated taking into account the distance of the passenger's traveling path , the determined number of passengers, and the car call floor -specific traffic intensity .
  • the landing time factor of each elevator car alternative included in the cost function is determined taking into account the state of the elevator system, as mentioned in block 320 .
  • the elevator system calculates the cost value of each elevator car alternative in compliance with the cost function. Those elevator car alternatives in which, considering the forecasted landing times at the car call floor, the passenger is likely to miss the serving elevator are excluded in the calculation of the cost value.
  • the cost values of the elevator car alternatives are compared to each other and one or more of the elevator car alternatives possessing the lowest cost values are allocated as the serving elevators in response to an automatically prompted car call.
  • the elevator system implements allocation of the serving elevators by scheduling the serving elevators to stop at the corresponding car call floor. It is inappropriate to settle on car landing immediately when a car call is automatically prompted; instead, it suffices to schedule the landing time of the serving elevator having the lapse of the preset normal door-open time period of the corresponding elevator doorway within the minimum time period after the passenger's arrival.
  • the waiting lobby is monitored with at least one monitoring device. If the passenger comes too late to catch the serving elevator, a car call may be prompted through passenger entry by using a call device provided in the waiting lobby; alternatively, a car call is automatically prompted on the basis of information received from the monitoring devices installed in the waiting lobby.
  • the passengers are not detected when the passenger traveling time period elapses. A decision is to be made for sustainment or cancellation of the prompted car call in block 361 .
  • the cost values of the elevator car alternatives are recalculated in accordance with a sustainment. On the other hand, the prompted car call is canceled.
  • one or more serving elevators are provided in accordance with the determined number of passenger s of a car call.
  • the elevator determines on the basis of processed information receiving from the surveillance devices when the passengers are in the waiting lobby of the landing floor.
  • the elevator system sends signals/information to the guiding devices .
  • the guiding devices include the passenger carried portable wireless devices, displays and/or sound reproduction devices.
  • the elevator system of the invention comprises a control unit, at least one elevator car, one or more door sensing devices monitoring the open-state and the closed-state of the doorways located within a building containing the elevator system, and/or one or more surveillance devices detecting occupancy or portable wireless devices in the vicinity of those doorways.
  • the portable wireless device includes a cellular phone having radio frequency transceiving functionality, or a radio frequency based transceiver, etc.
  • the elevator system is adapted to determine passenger demand for serving elevator in accordance with the signals/information receiving from the door sensing device or the surveillance device, to automate car call prompting and to determine the time at which the passenger arrives at the elevator doorway of the corresponding serving elevator.
  • the elevator system is further adapted to calculate the total cost of each elevator car alternative by using the cost function, to allocate for the passenger at least one of the elevator car alternatives that gives the lowest cost value as the serving elevator.
  • an elevator system automatically prompts car calls and allocates at least one selected elevator car as the serving elevator.
  • a passenger's traveling path is defined by setting forth a starting point and a final point, the time of passenger arrival at the elevator doorways may be determined on the basis of a calculated passenger traveling time period for the passenger to move from the starting point to the final point.
  • the method also comprises determining a cost function containing one or more landing time factors, which are used for assessment of the elevator car alternatives.
  • the cost value of each elevator car alternative is calculated in accordance with the cost function, the one or more of which elevator car alternatives that give the lowest cost values are allocated as the serving elevators.
  • the lowest cost value is concluded in such a way that the allocated serving elevator stops at the car call floor at a time within the shortest time period before or after the time forecast of passenger arrival at the elevator doorway of the serving elevator, wherein the preset normal door-open time period of the elevator doorway elapses after the passenger's arrival.
  • the landing time factor is determined on the basis of a criterion dependent on the state of the elevator system.
  • the criterion dependent on the state of the elevator system used consists of one or more criteria defining the state of the elevator system or a combination of those criteria, said criteria including: car call floor -specific traffic intensity, traffic type and traffic intensity prevailing in the elevator system, general power consumption prevailing in the elevator system, other uprising situation prevailing in the elevator system.
  • passengers corresponding to an automatically prompted car call not arriving at the elevator doorway of the serving elevator are identified on the basis of signals/information receiving from the surveillance device and/or information external to the elevator system .
  • elevator car alternatives which, on the basis of the landing time factor, the passenger would miss the serving elevator are excluded from among the elevator car alternatives.
  • the elevator system having the functionality to automatically prompt car calls may be used in any commercial and residential buildings for provision of optimal passenger experience by allocating serving elevator cars without passenger initiated car call prompting, and improvement in power conservation by using the lead time from the time where the passenger is distance away from the elevator doorways to the time of passenger arrival at the elevator doorways for evaluating and allocating serving elevator cars based on energy savings as well planning car traveling routes for optimal operation efficacies and efficiency.

Abstract

L'invention porte sur un procédé pour émettre automatiquement un appel de cabine dans un système d'ascenseur, déterminer le nombre de passagers, attribuer les alternatives de cabines d'ascenseur comme cabines d'ascenseur de desserte (110) pour les passagers. Le système d'ascenseur comprend un dispositif de détection de porte (122) et un dispositif de surveillance (131) pour contrôler des actions de passager, de façon à définir ainsi le point de départ et le point final d'une trajectoire de déplacement de passager. Le procédé met également en œuvre le calcul d'une période de temps de déplacement de passager, de façon à produire ainsi une prédiction de temps du temps d'arrivée du passager dans un hall d'attente (108). Une fonction de coût contenant au moins un facteur de temps d'accostage est déterminée pour calculer la valeur de coût de chaque alternative de cabine d'ascenseur. L'alternative qui donne la plus faible valeur de coût est attribuée comme cabine d'ascenseur de desserte pour le passager. Le système d'ascenseur reçoit également une information à partir de dispositifs externes par l'intermédiaire d'une ou plusieurs liaisons de communication pour le fonctionnement du système.
EP11871975.6A 2010-08-27 2011-08-29 Système d'ascenseur et procédé pour localiser des ascenseurs de desserte en réponse à chaque appel de cabine émis Withdrawn EP2609027A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37747510P 2010-08-27 2010-08-27
PCT/CN2011/079061 WO2013033879A1 (fr) 2010-08-27 2011-08-29 Système d'ascenseur et procédé pour localiser des ascenseurs de desserte en réponse à chaque appel de cabine émis

Publications (1)

Publication Number Publication Date
EP2609027A1 true EP2609027A1 (fr) 2013-07-03

Family

ID=46786195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11871975.6A Withdrawn EP2609027A1 (fr) 2010-08-27 2011-08-29 Système d'ascenseur et procédé pour localiser des ascenseurs de desserte en réponse à chaque appel de cabine émis

Country Status (8)

Country Link
EP (1) EP2609027A1 (fr)
JP (1) JP2014504998A (fr)
CN (1) CN103261068B (fr)
BR (1) BR112013004540A2 (fr)
HK (1) HK1192742A1 (fr)
RU (1) RU2013113625A (fr)
TW (1) TWI545076B (fr)
WO (1) WO2013033879A1 (fr)

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Also Published As

Publication number Publication date
JP2014504998A (ja) 2014-02-27
CN103261068B (zh) 2015-09-09
TW201213222A (en) 2012-04-01
RU2013113625A (ru) 2014-10-10
TWI545076B (zh) 2016-08-11
CN103261068A (zh) 2013-08-21
HK1192742A1 (zh) 2014-08-29
BR112013004540A2 (pt) 2018-01-30
WO2013033879A1 (fr) 2013-03-14

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