EP2784016A1 - Sécurité pour enfants d'une installation d'ascenseur - Google Patents

Sécurité pour enfants d'une installation d'ascenseur Download PDF

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Publication number
EP2784016A1
EP2784016A1 EP13161268.1A EP13161268A EP2784016A1 EP 2784016 A1 EP2784016 A1 EP 2784016A1 EP 13161268 A EP13161268 A EP 13161268A EP 2784016 A1 EP2784016 A1 EP 2784016A1
Authority
EP
European Patent Office
Prior art keywords
person
sensor
parameter
elevator
control unit
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Withdrawn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
EP13161268.1A
Other languages
German (de)
English (en)
Inventor
Pietro Bonomi
Mahesh Pande
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Priority to EP13161268.1A priority Critical patent/EP2784016A1/fr
Publication of EP2784016A1 publication Critical patent/EP2784016A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B66B5/0012—Devices monitoring the users of the elevator system
    • 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
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/468—Call registering systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical
    • B66B13/146—Control systems or devices electrical method or algorithm for controlling doors

Definitions

  • the invention relates to a method and a device for activating a special mode of an elevator installation with at least one elevator car and a control unit, wherein the control unit is connected to at least one sensor unit arranged in or on the elevator car via a communication network.
  • An object of the invention is to propose an efficient and cost effective way of child safety of an elevator installation.
  • a core of the invention is that upon entering the elevator car by a person of at least one sensor unit at least one age-specific parameter of the person is detected or determined. Depending on a comparison between the at least one acquired age-specific parameter or value of the age-specific parameter and at least one previously defined parameter or value of the parameter, a special mode of the elevator installation is activated.
  • the at least one sensor unit is connected to a control unit of the elevator installation via a communication network.
  • Communication network can be used a wired or wireless communication network.
  • the at least one previously defined parameter can be stored in the control unit or in a memory unit of the control unit.
  • the at least one sensor unit may include a video camera, a weight sensor, a motion sensor, a light barrier, a light curtain, a sound sensor, a microphone, a light sensor, a presence sensor, a height sensor, a radar sensor, an infrared sensor, etc.
  • the special mode can be configured in such a way that the person in the elevator car is moved to a landing floor. This is the case if, for example, a call has been made from another floor.
  • the special mode could also be that the elevator doors are opened or remain open.
  • the possibility of call input for the elevator system could be blocked by the control unit. If the elevator doors are closed, they are opened and either remain open according to a predefined period of time or until the person has left the elevator cabin.
  • the control unit activates the special mode if the application of the at least one rule to the result of the comparison between the at least one detected age-specific parameter and the previously defined parameter yields a previously defined result or a corresponding result, ie the result of the comparison is true, for example.
  • the phrase true should mean here that the comparison yields a positive or mathematically true result.
  • the comparison can be a face recognition method, a statistical evaluation method, a mathematical method, etc.
  • at least one rule it can be used that the at least one detected age-specific parameter must be smaller, equal to or greater than the at least one previously defined parameter.
  • the predefined result depends on the method used for the comparison. For example, in the face recognition method, it may mean that child-specific (biometric) features (previously defined parameters) match the detected parameters of the person in the elevator car.
  • At least one first age-specific parameter could be detected by a first sensor unit and at least one second age-specific parameter of the person in the elevator car by a second sensor unit.
  • the at least one first age-specific parameter is compared with a first previously defined parameter in a first comparison and the at least one second age-specific parameter is compared with a second previously defined parameter in a second comparison.
  • the method can be cascaded. This means that only when a person is in the elevator car, at least a first age-specific parameter is detected by a first sensor unit. And only when the first comparison between the at least one first age-specific parameter and a first predefined parameter yields a previously defined or true result, at least one second age-specific parameter is detected by a second sensor unit and compared with a second previously defined parameter. Only when the person is present in the elevator car and the first and the second comparison are true, the special mode of the elevator system is activated.
  • any physical parameters of a person which make it possible to distinguish between a child and an adult person. These include, for example, a height, a weight, an image of the person, a head size, an ear length, a biometric feature, etc.
  • An advantage of the invention is that it can be prevented in a simple and efficient way that a child is caught in an elevator car.
  • a further advantage is that the method according to the invention or the device can be used in all elevator systems or types.
  • FIG. 1 shows a simplified representation of a first elevator system according to the invention.
  • an elevator car 5 is moved vertically.
  • the elevator car 5 is connected via a suitable support means, for example, a belt, a rope, etc., with a drive unit, not shown.
  • the elevator car 5 optionally has an elevator operating unit 7 arranged in the elevator car 5, which is connected to a control unit 4 via a communication network.
  • the control unit 4 is configured as an elevator control unit.
  • At least one sensor unit 1, 2, 3 is arranged in or on the elevator car 5.
  • the arrangement of the at least one sensor unit 1, 2, 3 depends on the function of the sensor unit 1, 2, 3.
  • the at least one sensor unit 1, 2, 3 is connected to the control unit 4 via a wired or wireless communication network.
  • the elevator car 5 has three (different) sensor units 1, 2, 3.
  • a sensor 1 With sensor unit 1, the presence of a person in the elevator car 5 or entering the elevator car 5 is to be detected by the person.
  • a sensor 1 may include a motion detector, a light curtain, a video camera, a light barrier, a photosensor, a light sensor, a sound sensor, a microphone.
  • a processing unit (not further described) for processing the received signals and a transmitting unit for forwarding the signals to the control unit 4.
  • a light curtain is used as the sensor unit 1, for example close to the elevator doors the elevator car 5 is arranged.
  • Such a light curtain usually consists of at least one light source emitting a light source and at least one light beam receiving receiver unit (both are not shown in the embodiment for the sake of clarity).
  • the light beam is interrupted and the receiver unit no longer receives a signal corresponding to the light beam.
  • the interruption information of the light beam for example on Parameter, a signal, data, etc., is sent to the control unit 4.
  • the interruption information it is concluded by the control unit 4 whether a person is present in the elevator car. This can be done, for example, by means of a comparison between the interruption information and data, signals, parameters or previously defined parameters stored in the control unit 4.
  • the interruption information could be a numerical value. If this is greater than zero, the at least one light beam has been interrupted, and a person is present in the elevator car 5.
  • the further sensor unit 2 With the further sensor unit 2, the payload, the weight of the person present in the elevator car 5, the elevator car 5 should be detected in this example.
  • the further sensor 2 can be arranged under the floor of the elevator car 5 for this purpose.
  • any arrangement is conceivable that allows the detection or determination of the payload of the elevator car 5.
  • the at least one of the other sensor unit 2 detected age-specific parameters, the weight of the person present, is sent via the communication network to the control unit 4.
  • the control unit 4 performs a comparison between the obtained age-specific parameter and a previously defined (stored in the control unit 4) parameters.
  • the comparison in this example could be based on at least one rule that determines whether the obtained age-specific (physical) parameter is less than or less than the previously defined parameter.
  • a height sensor the body size of the person present is to be detected. At least, as in this example, it should be recorded with her (3) whether the height of the person present exceeds a recorded height.
  • a separate sensor 3 can be used, as shown in this figure, or the already mentioned sensor 1, the light curtain or the light barrier. If the sensor unit 1 is used, the detection of the body size upon entering the elevator car of the person can be detected.
  • the still further sensor unit 3 is arranged in a previously defined height, for example above the elevator operating unit 7, in the elevator car 5 and designed as a light curtain or light barrier.
  • the control unit 4 performs a comparison in accordance with at least one rule. In this example, it checks (4) whether the still further sensor unit 3 has sent an interruption information to the control unit 4. If in this example no interruption information is sent to the control unit 4 by the sensor unit 3, it can be assumed that the person in the elevator car 5 is smaller than a previously defined body size.
  • the comparisons are carried out according to at least one rule.
  • a comparison may be a mathematical method, a statistical method, a face recognition method, etc.
  • the comparison to be used may also depend on the sensor unit 1, 2, 3 from which the at least one physical parameter was sent or not.
  • the control unit 4 checks whether a result according to at least one rule delivers a previously defined result. In this example we want to check if a comparison is true.
  • a rule could be: Check if L kg (age-specific (physical) parameter) ⁇ 30 kg (previously defined parameter).
  • the control unit 4 activates a special mode depending on the comparisons performed when a person is present, their weight is below a previously defined weight parameter, and the height sensor unit does not send a signal to the control unit 4. For then the control unit 4 assumes that the person present in the elevator car 5 is a child.
  • the special mode can be configured differently. In the simplest case, it consists in the elevator doors remaining open. Furthermore, the activated special mode can be that the elevator doors are opened when the elevator doors are closed. In activated special mode and the call input of the elevator system could be blocked by the control unit, so that the elevator car 5 is not from the boarding floor of the child can move away. These can remain open either for a predefined period of time or until the person, the child, has left the elevator car 5. If, on the other hand, the elevator car 5 has moved away from the entry floor of the person present in the elevator car 5, for example because a travel request has been made from another floor, the special mode could be that the elevator car 5 moves back to the person's original entry floor.
  • FIG. 2 shows a second possible embodiment of the elevator system according to the invention, which largely with the elevator system according to FIG. 1 is identical.
  • a video camera 8 is used as at least one sensor unit.
  • the video camera 8 is arranged in the elevator car 5 in such a way that with it (8) at least partially an image can be taken of a person present in the elevator car 5.
  • the video camera 8 could also be integrated in the operating unit 7 or another unit.
  • the video camera 8 is connected to a control unit 4 via a wired or wireless communication network.
  • it (8) can be used both for the detection of a presence of a person in the elevator car 5 and for the detection of the at least one physical or age-specific parameter.
  • the presence of a person can be detected and at the same time it can be detected whether the person is a child.
  • the video camera 8 records at least one image both for the detection of the presence of a person in the elevator car 5 and for the detection of the at least one age-specific parameter.
  • the video camera 8 or a further sensor unit 1, 2, 3 in the elevator car 5 can also be used to receive sounds, such as spoken words, sounds or screams.
  • this sensor unit 1, 2, 3 could also be integrated in an operating unit 7.
  • the video camera 8 and / or the control unit 4 can be used.
  • the evaluation of the images is based on suitable methods for facial recognition, for the detection of a person and for the acquisition of age-specific or physical parameters of the person in the elevator car 5.
  • the at least one recorded image is usually first filtered out of the non-changing image part or extracted, ie the background of the image.
  • the at least one remaining image part is then evaluated as to whether an object located in the elevator car 5 is a person and what physical properties (weight, body height, head size, ear length, etc.) this person has. Ie.
  • At least one physical parameter of the person in the elevator car 5 is detected or detected and evaluated by means of at least one comparison with at least one previously defined parameter. For example, body size, face geometry, ear shape, ear length, voice, and other biometric parameters of the person may be used as at least one physical parameter.
  • a special mode is activated by the control unit of the elevator installation.
  • the body size and the voice each with previously defined parameters, body size, frequency pattern or pitch, etc., could be compared by means of mathematical methods.
  • physical parameters could be evaluated by a statistical method.
  • the face of the person present could also be evaluated by means of a face recognition process as to whether the person present is a child.
  • FIG. 3 shows a third possible embodiment of the elevator system according to the invention, which largely with the elevator system according to the FIGS. 1 or 2 is identical.
  • at least one sensor unit 1, 2, a motion sensor 1, for example, a radar sensor, an infrared sensor, a video camera, etc., and a weight sensor 2 are used.
  • the two sensor units 1, 2 are connected to a control unit 4 via a wired or wireless communication network.
  • the movement sensor 1 is arranged in the elevator car 5 and the weight sensor 2 is disposed below the same (5).
  • the motion sensor 1 can also be designed so that the body size of the person present can be detected.
  • the at least one sensor unit 1 could have a transmitter unit for emitting electromagnetic radiation and a receiver unit for receiving this radiation. The received radiation can then be used to detect the body size of the person present, for example by comparing the transit times of the radiation emitted and reflected on the body of the person present.
  • the motion sensor 1 can be arranged in the elevator car 5 on the ceiling of the elevator car 5 for this purpose.
  • the detection of the person present, the detection and the comparison of the at least one age-specific parameter can be done with at least one previously defined parameter, as described in the FIGS. 1 and / or 2 is described.
  • FIG. 4 shows an exemplary flowchart for activating a special mode of the elevator system or the control unit of the elevator system according to the FIGS. 1 to 3 ,
  • the flowchart or the program sequence is cascaded in this example. Cascading here means that only if a first comparison results in a positive result, a further comparison is performed
  • step 1 it is first detected in step 1, whether a person in the elevator car 5 is present.
  • at least one (physical) parameter is detected by at least one sensor unit 1, 8 and forwarded to the control unit 4.
  • the control unit 4 it is also possible that in the case of an empty elevator car no (physical) parameter is sent to the control unit 4.
  • the presence of the person can also be detected on entering the elevator car 5 by the person.
  • the type of parameter depends on the sensor unit 1, 8 used to detect the presence of the person in the elevator car 5.
  • a video camera 8 at least one physical parameter and a motion sensor, a light barrier, a light curtain, etc., at least one signal could be detected, with the help of which it can be detected whether a person is in the elevator car 5 or a person Elevator car 5 enters.
  • the control unit 4 compares according to at least one rule the at least one detected age-specific or physical parameters or the received signal with at least a previously defined parameter or signal.
  • the at least one obtained (physical) parameter A should be greater than zero (A> 0). If the at least one parameter A obtained is less than or equal to zero, the elevator car 5 is empty and no further parameter is detected by the at least one sensor unit 1, 2, 8. The process ends at this step.
  • a person is present in the elevator car 5 and at least one physical parameter L is detected by the at least one sensor unit 1, 2, 8 in a step 2 and forwarded to the control unit 4.
  • the control unit 4 compares the obtained at least one age-specific or physical parameter L according to at least one rule with a previously defined parameter x, for example, whether L ⁇ x. For example, it could be checked whether a weight value L detected by a weight sensor 2 is smaller than a previously defined weight value x. If L ⁇ x, the procedure ends.
  • At least one (further) age-specific parameter is determined H detected by the at least one sensor unit 1, 2, 3, 8 and forwarded to the control unit 4.
  • This (further) age-specific or physical parameter H can be determined by a separate sensor unit 3, as in FIG FIG. 1 represented by a sensor unit 1, 8, which has already detected the at least one preceding physical parameter A, L ( Figures 2 or 3 ).
  • the further physical parameter H could represent the body size of the person present in the elevator car 5 or at least indicate that a previously defined body size has been exceeded or not reached.
  • H is not equal to zero (H ⁇ 0)
  • the process ends without the special mode SM of the Elevator system is activated.

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  • Indicating And Signalling Devices For Elevators (AREA)
  • Elevator Control (AREA)
EP13161268.1A 2013-03-27 2013-03-27 Sécurité pour enfants d'une installation d'ascenseur Withdrawn EP2784016A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13161268.1A EP2784016A1 (fr) 2013-03-27 2013-03-27 Sécurité pour enfants d'une installation d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13161268.1A EP2784016A1 (fr) 2013-03-27 2013-03-27 Sécurité pour enfants d'une installation d'ascenseur

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EP2784016A1 true EP2784016A1 (fr) 2014-10-01

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105060049A (zh) * 2015-07-14 2015-11-18 日立电梯（中国）有限公司 小孩乘坐电梯的保护装置及保护方法
CN108875617A (zh) * 2018-06-07 2018-11-23 智车优行科技（北京）有限公司 辅助驾驶方法和装置、车辆
US10294072B2 (en) 2015-06-16 2019-05-21 Otis Elevator Company Elevator capable of monitoring use of child and a control method thereof
CN111689327A (zh) * 2020-06-19 2020-09-22 迅达（中国）电梯有限公司 电梯轿厢控制系统
EP3872018A1 (fr) * 2020-02-25 2021-09-01 KONE Corporation Système de surveillance d'ascenseur
CN115092785A (zh) * 2022-06-21 2022-09-23 无锡威孚高科技集团股份有限公司 基于毫米波雷达的儿童单独出入电梯轿厢预警方法及系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077431A (zh) * 1992-04-01 1993-10-20 三菱电机株式会社 电梯控制装置
JPH11335046A (ja) * 1998-05-28 1999-12-07 Hitachi Building Systems Co Ltd エレベータのかご閉じ込め防止装置
JP2007001758A (ja) * 2005-06-27 2007-01-11 Hitachi Ltd エレベーター制御装置
JP2012121710A (ja) * 2010-12-10 2012-06-28 Mitsubishi Electric Building Techno Service Co Ltd エレベータ
CN102910510A (zh) * 2011-08-05 2013-02-06 张瀚予 一种防止小孩单独乘坐电梯的控制装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077431A (zh) * 1992-04-01 1993-10-20 三菱电机株式会社 电梯控制装置
JPH11335046A (ja) * 1998-05-28 1999-12-07 Hitachi Building Systems Co Ltd エレベータのかご閉じ込め防止装置
JP2007001758A (ja) * 2005-06-27 2007-01-11 Hitachi Ltd エレベーター制御装置
JP2012121710A (ja) * 2010-12-10 2012-06-28 Mitsubishi Electric Building Techno Service Co Ltd エレベータ
CN102910510A (zh) * 2011-08-05 2013-02-06 张瀚予 一种防止小孩单独乘坐电梯的控制装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10294072B2 (en) 2015-06-16 2019-05-21 Otis Elevator Company Elevator capable of monitoring use of child and a control method thereof
CN105060049A (zh) * 2015-07-14 2015-11-18 日立电梯（中国）有限公司 小孩乘坐电梯的保护装置及保护方法
CN108875617A (zh) * 2018-06-07 2018-11-23 智车优行科技（北京）有限公司 辅助驾驶方法和装置、车辆
EP3872018A1 (fr) * 2020-02-25 2021-09-01 KONE Corporation Système de surveillance d'ascenseur
CN111689327A (zh) * 2020-06-19 2020-09-22 迅达（中国）电梯有限公司 电梯轿厢控制系统
CN115092785A (zh) * 2022-06-21 2022-09-23 无锡威孚高科技集团股份有限公司 基于毫米波雷达的儿童单独出入电梯轿厢预警方法及系统

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