WO2012077863A1 - Système d'indication d'informations de charge d'un ascenseur et écran tactile d'affichage des informations de charge d'un ascenseur - Google Patents

Système d'indication d'informations de charge d'un ascenseur et écran tactile d'affichage des informations de charge d'un ascenseur Download PDF

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Publication number
WO2012077863A1
WO2012077863A1 PCT/KR2011/003038 KR2011003038W WO2012077863A1 WO 2012077863 A1 WO2012077863 A1 WO 2012077863A1 KR 2011003038 W KR2011003038 W KR 2011003038W WO 2012077863 A1 WO2012077863 A1 WO 2012077863A1
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WO
WIPO (PCT)
Prior art keywords
elevator
boarding
stop
information
path
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Application number
PCT/KR2011/003038
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English (en)
Korean (ko)
Inventor
박승호
이유진
김별이
Original Assignee
이화여자대학교 산학협력단
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Publication of WO2012077863A1 publication Critical patent/WO2012077863A1/fr

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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
    • B66B3/006—Indicators for guiding passengers to their assigned elevator car
    • 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
    • B66B1/3476—Load weighing or car passenger counting devices

Definitions

  • the present invention relates to a system for guiding information related to elevator boarding.
  • the present invention relates to a system for guiding elevator boarding information having a space for boarding an elevator and a display for displaying a path of stopping the elevator and a touch panel for displaying boarding information.
  • elevator users The purpose of elevator users is to move between floors.
  • a fast turnover of visitors such as shopping malls, visitors need to move between floors conveniently and quickly.
  • a system for guiding elevator boarding information and a touch panel displaying elevator boarding information according to the present invention aims to solve the following problems.
  • the system for guiding the elevator boarding information includes a boarding decision unit determining a boarding space in an elevator, a boarding path determination unit determining a stopping path in an elevator travel path, and a boarding space determined by a boarding determination unit It includes a display unit for displaying the stop path determined by the path determination unit so that the waiter outside the elevator can be confirmed.
  • the stop route includes a stop route for the passenger inside the elevator to get off and a stop route for the outside waiter to board.
  • the system for guiding elevator boarding information further includes a boarding person determination unit that determines a boarding passenger for each boarding stop path.
  • the scheduled passenger determination unit includes one or more cameras installed outside the elevator, characterized in that to determine the expected passengers by image processing the image information input to the camera.
  • the system for guiding the elevator boarding information stops in consideration of the boarding space determined by the boarding decision unit, the number of scheduled passengers determined by the boarding decision unit, and the number of scheduled passengers to get off at the stop-stopping route.
  • the apparatus further includes an actual stop determination unit configured to set an actual stop path at which the elevator actually stops.
  • the actual stop determination unit is characterized by resetting the set actual stop route to the stop route, and the number of people scheduled to get off is determined by one person for each stop stop route.
  • the system for guiding the elevator boarding information further includes a waiting time calculator configured to calculate a waiting time for the elevator to reach a path where an external waiter waits by using the actual stop path set by the actual stop determiner.
  • the wait time calculation unit is characterized in that it further displays the wait time calculated.
  • the actual stop determination unit is characterized by setting the actual stop paths for each of the plurality of elevators in consideration of the boarding space, the number of passengers to be boarded and the number of passengers to be unloaded.
  • the system for guiding elevator boarding information is characterized in that it further comprises a control unit for stopping the elevator at the set actual stop path, when the actual stop determination unit sets the actual stop path.
  • the display unit according to the present invention is characterized in that further display the total number of people scheduled to board the boarding of each actual stop route or the total number of scheduled passengers of the actual stop route determined by the tester determination on the actual stop route set by the actual stop determination unit do.
  • the boarding judgment portion according to the invention is characterized in that it comprises any one or two or more of one or more cameras, one or more distance measuring sensors or one or more load sensors installed in the elevator.
  • the system for guiding elevator boarding information determines an available occupant by using one or more of image information input to a camera, distance information measured by a distance measuring sensor, or load information measured by a load sensor as variables. It further comprises a passenger occupancy determination unit.
  • the occupant determining unit uses the image processing technology for the image information input to the camera, the distance information measured by the occupant or the distance measuring sensor It is characterized by determining the number of passengers available using one or more of the.
  • a CCD camera or an infrared camera may be used as the camera according to the present invention.
  • the infrared camera is characterized by checking the occupant or available boarding space by using the heat source image information input to the infrared camera.
  • the display unit according to the present invention is characterized by further displaying any one or more of the driving direction of the elevator, the current position of the elevator, whether full passengers, the description of the path the elevator moves or the opening and closing of the elevator door.
  • the display unit includes a touch panel interface, and displays only information desired by an external waiter through the touch panel.
  • the external waiter is characterized in that the external waiter can input the position of the waiter as the stop boarding route or cancel the boarding stop route input through the touch panel interface of the display unit according to the present invention.
  • the touch panel displaying the elevator boarding information is an elevator boarding space, the elevator's moving path, the elevator's stopping path, the number of people to be boarded up to the path where the elevator's outside waiter is located,
  • the outside waiter enters the waiter's position as the stop boarding route or stops, indicating at least one of the time of arrival, the driving direction of the elevator, the driving direction of the elevator, the description of the path the elevator travels or the opening / closing of the elevator door. It can be used as an interface to cancel the path input.
  • the system for guiding elevator boarding information and the touch panel displaying elevator boarding information according to the present invention have the following effects.
  • the optimum elevator operation is possible by comparing the number of occupants and the expected number of passengers in advance.
  • the user's intuitive information is displayed through the elevator touch panel, and at the same time, information on each floor of the building is maximized for convenience of using the elevator.
  • the elevator waiter to use the elevator waiting to secure the information about the boarding in advance to the elevator or select another means of transportation.
  • FIG. 1 is a schematic block diagram of the configuration of a system for guiding elevator boarding information according to the present invention.
  • FIG. 2 is a perspective view illustrating each configuration of the boarding determination unit 100 used to determine an interior space of an elevator.
  • FIG 3 conceptually illustrates a result of analyzing information in which the camera and the distance measuring sensor 120 are combined during the configuration of the boarding determination unit 100.
  • FIG. 4 is an exemplary view for explaining the configuration and operation of the number of people to be boarded decision determination unit 400 to determine the number of waiting outside the elevator.
  • 5 (a) to 5 (c) is an example of a display panel screen for displaying information on the number of passengers and other driving information inside the elevator according to the present invention.
  • FIG. 6 is an enlarged view showing a screen of a boarding capacity and driving information for one floor of information shown in FIG. 5.
  • FIG. 7 is an example of a display panel screen displaying a boarding schedule display for an elevator and a description of a building in operation.
  • FIG. 8 illustrates an example of an interface using a display touch panel.
  • FIG. 8 illustrates a screen on which information on a floor on which a passenger is traveling is displayed.
  • the present invention is a system for guiding elevator boarding information, and refers to a system for displaying elevator boarding information for a user waiting at an elevator entrance on each floor where an elevator is installed to use an elevator.
  • the present invention includes an elevator system that, in another aspect, uses elevator boarding information to allow the elevator to travel in an optimal path without wasting energy and time on the travel path.
  • the present invention relates to a display panel that displays elevator boarding information in the smallest range. Each will be described below.
  • Figure 1 is a schematic block diagram of the configuration of the system for guiding the elevator boarding information according to the present invention
  • Figure 2 is a projection showing each configuration of the boarding judgment portion 100 used to determine the boarding space inside the elevator Perspective view.
  • the system for guiding the elevator boarding information includes a boarding judgment part 100 determining a boarding space inside an elevator, a stop path decision part 200 determining a stop path in an elevator moving path, and a boarding decision part
  • the display unit 300 may display the boarding space determined by the 100 and the stop path determined by the stop path determining unit 200 so that a waiter outside the elevator may check.
  • An elevator stop position defined by the passenger inside the elevator to operate the interface inside the elevator is defined as an unloading stop route, and an elevator stop position set by manipulating the outside interface of the elevator to allow passengers outside the elevator to be defined as a boarding stop route.
  • the stop route includes a stop route for the passenger inside the elevator to get off and a stop route for the outside waiter to board.
  • the most basic configuration of the present invention for guiding the elevator boarding information to the user is the boarding decision unit 100 for determining the boarding space available inside the elevator, the stop to determine the position (path) to stop in the path that the elevator moves The route determining unit 200 and the display unit 300 for displaying the elevator boarding-related information.
  • the boarding judgment unit 100 is to determine the number of people occupants inside the elevator. Through this, it is possible to determine how many more outside waiters can board the currently moving elevator.
  • the boarding determination unit 100 may determine whether the boarding is possible in terms of other aspects than the number of passengers.
  • the limit for boarding an elevator is not exactly the number of passengers but the weight that the elevator can move at once. That is, whether or not the boarding can be determined based on the weight, and if it is determined that the boarding is possible, the boarding or not can be determined by checking whether there is a space available inside the elevator.
  • the boarding determination unit 100 includes one or more camera 110, one or more distance measuring sensor 120, or one or more load sensors 130 installed in the elevator. That is, only one of the camera, the distance sensor 120 or the load sensor 130 may be used, or two or more of them may be used in combination.
  • the camera 110 photographs the inside view of the elevator.
  • the camera 110 is used to determine the number of occupants or to measure an interior space without occupants by using input image data in a manner well known in the image processing field.
  • the camera 110 is preferably a CCD camera.
  • an infrared camera that captures thermal information of the human body can be used to determine the occupants or the available space inside the elevator.
  • a blind spot cannot be taken by the camera depending on an angle at which the camera 110 is installed, it is preferable to use a plurality of cameras 110 so that blind spots do not occur.
  • 2 shows an example in which four cameras 110 are installed in each corner of a rectangular elevator so that blind spots do not occur at all.
  • the distance measuring sensor 120 may be installed on one side of the inner wall of the elevator. However, in order to identify the occupants in combination with the camera, it is preferable to be installed on the upper side of the elevator wall, that is, the ceiling. 2 also shows an example in which the distance measuring sensor 120 is installed on the ceiling of an elevator. In FIG. 2, only three distance measuring sensors are installed in a compact manner. However, this is for convenience of description and may have various numbers and installation positions according to circumstances.
  • the distance sensor 120 may measure how far an object to be reflected is separated by using a laser, infrared rays, or sound waves. Distance measuring sensor 120 may use a variety of short-range measuring device that can be replaced by those skilled in the art.
  • the distance sensor 120 can determine whether there is an available space inside the elevator, it is preferable to be used simultaneously with the camera 110 to identify the occupant. When it is difficult to determine the correct occupant only by the information input to the camera 110 due to the blind spot of the camera, the occupant is identified using the result combined with the object position information measured by the distance measuring sensor 120.
  • FIG. 3 conceptually illustrates a result of analyzing information in which the camera 110 and the distance measuring sensor 120 are combined during the configuration of the boarding determination unit 100.
  • the left information result of FIG. 3 shows the position of the object inside the elevator by using the distance sensor 120. Since the height of the occupant's head, shoulder, etc. is different, the occupant is not clearly identified.
  • the right information result of FIG. 3 represents a result of combining the left distance measuring sensor 120 information with information obtained by using the camera 110.
  • the circled part clearly indicates the position of the occupant, and in FIG. 3, a total of four people are measured as being in the elevator.
  • the part shown by the diagonal line represents the position of the final occupant.
  • a load sensor 130 for measuring the weight of the board to determine whether the elevator boarding based on the weight of the occupant.
  • FIG. 2 only three load sensor 130 blocks are shown on the bottom of the elevator for convenience of description, but in order to accurately measure the load, the load sensor 130 is preferably installed on the entire floor of the elevator.
  • the number of passengers outside the elevator may be determined by measuring the number of occupants using the combined means 120 or by measuring the available space inside the elevator.
  • the present invention determines the available occupants by using one or more of the image information input to the camera 110, the distance information measured by the distance measuring sensor 120 or the load information measured by the load sensor 130 as a variable.
  • a passenger number determination unit 700 may be included. In FIG. 1, the occupant determining unit is not shown. The name of the configuration is different only, the boarding judgment unit 100 means a configuration that determines whether there is space available in the elevator to determine whether it is possible to board the elevator, the boarding occupancy determining unit 700 is specific to the boarding To determine the number of people. Therefore, the boarding decision unit 100 may determine the number of passengers, or the device equipped with a separate processor may determine the number of passengers.
  • the boarding occupant determining unit 700 measures the number of passengers or distance checked using an image processing technique for the image information input to the camera 110.
  • the available passengers are determined using one or more of the distance information measured by the sensor 120.
  • FIG. 4 is an exemplary view for explaining the configuration and operation of the number of people to be boarded decision determination unit 400 to determine the number of waiting outside the elevator.
  • the scheduled passenger determination unit 400 determines the number of external waiters to board the elevator. In other words, the number of external waiters is determined for each stopping route on the path in which the elevator moves. This number of external waiters is defined as the number of people to be boarded.
  • the scheduled passenger determination unit 400 may include one or more cameras 410 installed outside the elevator, and determine the expected passengers by image processing the image information input to the camera.
  • the camera 410 used in the scheduled passenger determination unit 400 may be a CCD camera or a thermal infrared camera. The principle is the same as the camera 110 installed inside the elevator. On the other hand, the camera installed outside the elevator may use a CCTV or the like installed inside the building.
  • the distance measuring sensor 120 in addition to the camera 410 as a device for determining the number of people to be boarded is of course available.
  • the flow of the signal or information shown by the dotted line in FIG. 1 is for illustrating the operation of the actual stop determination unit 500.
  • the present invention takes into consideration the boarding space determined by the boarding decision unit 100, the number of scheduled passengers determined by the boarding decision member 400 and the scheduled passengers to get off at the stop stop route, the elevator in the stop route
  • the actual stop may further include a real stop determination unit 500 for setting a real stop path.
  • the actual stop determination unit 500 is a result value in consideration of the number of passengers who get off at the stop route and the number of passengers who get off at the boarding space determined as the result value determined by the boarding decision determination unit 100 or the number of occupants determined by the rideable number determination unit. Compared with the estimated number of people to be boarded determined by the planned number of people determination unit 400, it is determined whether boarding is possible for each floor.
  • the actual stop determination unit 500 may add the specific floor to the actual stop path. Alternatively, you can add to the actual stop route only if all personnel on a particular floor are available. This may apply a predetermined criterion, but the criterion may also apply if an outside waiter has selected the option to wait for all waiters waiting on the floor at once.
  • the external waiter may input various input values including the above-described full waiter boarding request through the display unit 300 installed outside the elevator.
  • the input unit may be used instead of the display unit 300.
  • the actual stop path determined by the real stop determiner 500 may be different from the stop path determined by the stop path determiner 200. This is because the stop route determining unit 200 sets the stop route based on the input value of the occupant or the external waiter.
  • the actual stop path determined by the actual stop determiner 500 and the stop path determined in advance by the stop path determiner 200 are different, the actual stop path is reset to the stop path of the elevator.
  • the actual stop path determined by the real stop determiner 500 is re-set (shown by a dotted line) determined by the stop path determiner 200, or the actual stop determiner 500 is determined. ),
  • the elevator path may be adjusted directly through the central control unit (not shown), and the final actual stop path may be displayed on the display unit 300 (shown in solid line).
  • the stop stop route When the stop stop route is set, it is difficult to determine how many people will get off. Usually, when the user who wants to get off the elevator selects the floor, the person who wants to get off on the same floor does not input again through the interface. Therefore, in the present invention, when the stop stop route is set, it is calculated that at least one person gets off.
  • the actual stop path part operates every time the elevator door is closed after the elevator stops on a specific floor.
  • the real stop determination unit 500 may further include a wait time calculator 600 that calculates a waiting time for the elevator to reach a path where an external waiter waits using the real stop path set by the real stop determiner 500.
  • the waiting time is displayed on the external display unit 300 so that the external waiting person can know in advance the time at which the passenger can board the elevator.
  • the above-described actual stop determination unit 500 has been described on the assumption that there is only one elevator available, and a case where a plurality of elevators are installed and operated in an actual building should also be considered.
  • the actual stop determination unit 500 may set an actual stop path for each of the plurality of elevators in consideration of the available space of each elevator, the number of scheduled passengers, and the number of scheduled passengers to get off.
  • Another aspect of the invention is not the external display device, but the elevator itself running efficiently. Therefore, in the elevator, when the actual stop determination unit 500 sets the actual stop path, the elevator stops at the set actual stop path.
  • the main feature of the present invention can be said to be concentrated in the display unit 300.
  • a specific embodiment of the display unit 300 will be described.
  • the display unit 300 basically displays the number of people who can ride in the elevator or the space in which the passenger can ride, and displays the stop route determined by the stop route determination unit 200. In this case, when the stop path is determined by the actual stop determination unit 500, the actual stop path is displayed as described above.
  • 5 (a) to 5 (c) is an example of a display panel screen for displaying information on the number of passengers and other driving information inside the elevator according to the present invention.
  • FIG. 5 (a) shows a screen displayed when a 25-pass elevator stops on the first floor and no passengers board.
  • Fig. 5 (b) shows that the elevator is coming down from the ninth floor and there are nine occupants.
  • FIG. 5 (c) shows a screen in which the elevator is coming down from the fifth floor and the number of occupants is three, so that there is not enough space to use another elevator. That is, FIG. 5 (c) illustrates a case in which more than three persons intend to board the fifth floor, and all the persons wishing to board the fifth floor select the option to board together.
  • FIG. 6 is an enlarged view showing a screen of a boarding capacity and driving information for one floor of information shown in FIG. 5.
  • the leftmost rectangular box of FIG. 6 visually displays the interior space of the elevator and the number of occupants and occupants, and the right side of the rectangular box displays the seventh floor where the current elevator is located, and the right side of the square box
  • the number of persons is displayed in Arabic numerals, and the rightmost side indicates the current direction of movement of the elevator. 6 is a view of a portion of the display unit 300 and is only an example of various displayable methods.
  • the display unit 300 is the total number of people to be boarding or the total number of people to be boarded in each of the actual stop route determined by the test result determination judge on the actual stop route set by the real stop determination unit 500 Can be displayed additionally.
  • the display unit 300 may further display any one or more of a driving direction of the elevator, a current location of the elevator, whether the passengers are full, a description of a path in which the elevator moves, or an opening / closing situation of the elevator door.
  • FIG. 7 is another example of a display panel screen displaying a boarding schedule display for an elevator and a description of a building in operation.
  • FIG. 7 illustrates a state in which an outside waiter has reserved an elevator boarding on the first, fifth and seventh floors. "Reserved” is displayed on the left and an icon representing the person.
  • the elevator is located on the third floor, and the direction of movement is moving to the upper floor as indicated by the arrow.
  • the third floor where the elevator is currently stopped on the right side of FIG. 3 is displayed as "multi-fashion", and the description of the corresponding floor of the building is additionally displayed.
  • the display unit 300 may be configured of only a device that displays certain information on the screen, or may be configured as a touch panel that a user can input. In the latter case, the external waiter may display only the desired information through the touch panel using the touch panel as an interface.
  • an external waiter may enter the waiter's location as a stop route or cancel the stop route input through the touch panel, or enter an option for how many waiters on the floor want to board together.
  • the description of the specific floor of each building can be found through the touch.
  • the display unit is not configured as a touch panel, and an external waiter can input desired information through a separate input unit near the display unit.
  • the available input means may be various means such as a keypad, an external input button.
  • FIG. 8 illustrates an example of an interface using a display touch panel.
  • FIG. 8 illustrates a screen on which information on a floor on which a passenger is traveling is displayed.
  • the touch panel has a function corresponding to the display unit 300 described above.
  • the touch panel of the present invention displays one or more of a direction, a driving direction of the elevator, a description of the path in which the elevator moves, or an opening / closing state of the elevator door.
  • the touch panel may be used as an interface for allowing an external waiter to enter a waiter's position as a stop route or cancel a stop route input, and input various other option information.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Elevator Control (AREA)

Abstract

La présente invention concerne un système d'indication d'informations se rapportant à la charge d'un ascenseur et un écran tactile utilisé dans celui-ci. Selon la présente invention, le système d'indication des informations de charge d'un ascenseur comprend : une unité (100) permettant de déterminer la disponibilité en termes de charge qui détermine l'espace disponible en termes de charge dans un ascenseur ; une unité (200) permettant de déterminer les arrêts programmés qui détermine les arrêts programmées sur un parcours de déplacement d'un ascenseur ; et une unité d'affichage permettant d'afficher l'espace disponible en termes de charge déterminé par l'unité (100) permettant de déterminer la disponibilité en termes de charge et les arrêts programmés déterminés par l'unité (200) permettant de déterminer les arrêts programmés. Un utilisateur souhaitant utiliser un ascenseur peut monter dans l'ascenseur dans les plus brefs délais grâce au système de la présente invention.
PCT/KR2011/003038 2010-12-10 2011-04-26 Système d'indication d'informations de charge d'un ascenseur et écran tactile d'affichage des informations de charge d'un ascenseur WO2012077863A1 (fr)

Applications Claiming Priority (2)

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KR10-2010-0126003 2010-12-10
KR20100126003A KR101181555B1 (ko) 2010-12-10 2010-12-10 엘리베이터 탑승 정보를 안내하는 시스템

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ES2682528A1 (es) * 2017-03-20 2018-09-20 Kevin MARTÍN MURCIANO Sistema de detección de espacio en ascensores
US10155639B2 (en) 2016-06-08 2018-12-18 Otis Elevator Company Elevator notice system
CN109941856A (zh) * 2019-03-21 2019-06-28 武汉科技大学 电梯控制方法及装置
EP3677532A1 (fr) * 2018-12-28 2020-07-08 Otis Elevator Company Système et procédé d'attribution de service d'ascenseur sur la base d'une détection du nombre de passagers
EP4397613A1 (fr) * 2023-01-04 2024-07-10 KONE Corporation Dispositif de détection et procédé de détection d'un niveau de remplissage d'un espace, et ascenseur comprenant celui-ci

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KR20200071311A (ko) * 2018-12-11 2020-06-19 전남도립대학교산학협력단 엘리베이터 탑승 정보 안내 시스템
KR102057734B1 (ko) * 2019-08-27 2020-01-22 주식회사 홀로티브글로벌 엘리베이터 디스플레이 시스템
KR102334534B1 (ko) * 2021-03-15 2021-12-03 (주)대경기술단 공동 주택용 엘리베이터 대기 정보 서비스 제공 방법 및 이를 실행하는 장치
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KR102515719B1 (ko) * 2021-05-10 2023-03-31 현대엘리베이터주식회사 영상인식 연동 승강기 제어 시스템

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KR20050053197A (ko) * 2003-12-02 2005-06-08 주식회사 지암메디테크 승강기 안전관리 시스템 및 안전관리 방법
KR20100077432A (ko) * 2008-12-29 2010-07-08 엘지이노텍 주식회사 무선 네트워크를 이용한 엘리베이터 시스템 및 그 제어방법

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US10155639B2 (en) 2016-06-08 2018-12-18 Otis Elevator Company Elevator notice system
CN108455390A (zh) * 2017-02-22 2018-08-28 奥的斯电梯公司 用于控制电梯***的方法
EP3392178A1 (fr) * 2017-02-22 2018-10-24 Otis Elevator Company Procédé de commande d'un système d'ascenseur
US10259683B2 (en) 2017-02-22 2019-04-16 Otis Elevator Company Method for controlling an elevator system
CN108455390B (zh) * 2017-02-22 2022-04-29 奥的斯电梯公司 用于控制电梯***的方法
ES2682528A1 (es) * 2017-03-20 2018-09-20 Kevin MARTÍN MURCIANO Sistema de detección de espacio en ascensores
EP3677532A1 (fr) * 2018-12-28 2020-07-08 Otis Elevator Company Système et procédé d'attribution de service d'ascenseur sur la base d'une détection du nombre de passagers
CN109941856A (zh) * 2019-03-21 2019-06-28 武汉科技大学 电梯控制方法及装置
EP4397613A1 (fr) * 2023-01-04 2024-07-10 KONE Corporation Dispositif de détection et procédé de détection d'un niveau de remplissage d'un espace, et ascenseur comprenant celui-ci

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