EP2936467A1 - Surveillance d'une zone de dangers - Google Patents

Surveillance d'une zone de dangers

Info

Publication number
EP2936467A1
EP2936467A1 EP13802650.5A EP13802650A EP2936467A1 EP 2936467 A1 EP2936467 A1 EP 2936467A1 EP 13802650 A EP13802650 A EP 13802650A EP 2936467 A1 EP2936467 A1 EP 2936467A1
Authority
EP
European Patent Office
Prior art keywords
tag
detector
alarm
marking
distance
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Withdrawn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
EP13802650.5A
Other languages
German (de)
English (en)
Inventor
Philippe Henneau
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 EP13802650.5A priority Critical patent/EP2936467A1/fr
Publication of EP2936467A1 publication Critical patent/EP2936467A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/22—Status alarms responsive to presence or absence of persons
    • 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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/147—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using electro-magnetic technology, e.g. tags or radar

Definitions

  • the present invention relates to a security system and a method for monitoring a danger zone as well as an elevator installation, an escalator and a moving walk with a security system and the use of a security system.
  • JP 2011230920 shows a lift system with built-in safety sensors. These safety sensors are mounted, for example, on the underside of an elevator car and are able to detect persons or objects in the elevator shaft. Accordingly, based on the signal of the safety sensor, a brake mechanism is triggered to prevent injury and damage.
  • US 2012/0013453 AI shows a security system based on RFID.
  • the objects or persons to be protected are equipped with an RFID transponder.
  • a moving object for example a self-propelled transport taxi, is equipped with a corresponding RFID reader or with a plurality of such RFID readers and recognizes the RFID transponder of the object to be protected as soon as the moving object falls below a certain safety distance.
  • US 2008/0084317 AI discloses a personal security system which is also based on RFID.
  • Security-relevant zones such as a swimming pool or an electric range, are equipped with a plurality of RFID readers, so that the entire circumference around the swimming pool or the electric range is detected by at least one RFID reader.
  • a security system for monitoring a danger zone in particular an elevator installation, comprises a detector and at least one marking label to be detected. Instead of “tag” in this application, the term “tag” is used.
  • tags is the English word for "label”.
  • the danger zone is defined by a given or predefinable safety distance between the detector and the tag.
  • the marker tag to be detected is located stationary with respect to the danger zone and the detector is a mobile device.
  • a zone of danger is understood to mean that zone which is defined by a predetermined or predefinable safety distance around an element exhibiting a danger potential.
  • a danger zone is located, for example, in an elevator installation below an elevator car.
  • Other danger zones are, for example, open electrical lines or moving parts such as cables or counterweights of an elevator installation.
  • the danger zone is the zone which may not be entered by service personnel or whose entry is permitted only under certain conditions, such as the blockage of the elevator car.
  • a marker tag to be detected is understood to be an element which can be recognized by a detector.
  • a marking tag can be, for example, an RFID transponder, a Recco reflector (which is known in avalanche search systems) or another element which is located over a certain distance and whose distance from the detector can be determined.
  • Such a marking tag is preferably inexpensive to produce, has only a small size, and is easy to install.
  • stationary means here and below that, for example, a marking tag to be detected is fixedly arranged in an elevator shaft in the region of the movement of the counterweight.
  • the term "stationary” also means that a marker tag to be detected is firmly connected to a movable part, for example the elevator car, which is a danger potential, and moves up and down accordingly with this part or with the elevator car.
  • the danger zone of the elevator car is also fixedly connected to it and moves up and down in accordance with the elevator car.
  • a mobile device is understood to mean a device which is not permanently installed.
  • a mobile device can also be a portable device that can be carried by the service personnel on the body. Examples include mobile phones, radios, maintenance equipment, etc.
  • the marker tag to be detected is arranged stationarily with respect to the danger zone and the detector is a mobile device, a very cost-effective security system can be set up.
  • the hazard zone can be defined by one or more simple tag tags. Particularly in the case of complex systems, a large number of tag tags to be detected can be used to precisely adapt the danger zone to the needs or even to define a plurality of individual danger zones. By simply installing the tags to be detected and tagging tags are simple and inexpensive, the entire security system can be installed and operated at very low cost.
  • the detector may include a transmitter for broadcasting a transmitter signal and a receiver for receiving a tag tag signal from a tag tag. Because the entire intelligence or the entire signal management is integrated in the detector, the marking tag can be designed simply and, for example, purely passively.
  • the tag tag signal can be a pure passive reflection of the transmitted signal. Under a purely passive reflection is understood that the entire spectrum of the transmission signal or only a portion of this spectrum is reflected. Through such a purely passive reflection, the marking tag can be set up without own intelligence and above all without energy supply.
  • the tag tag signal may be a tag-modulated version of the transmit signal.
  • the transmission signal from the marking day is consciously modulated and radiated again.
  • This modulation can be done actively.
  • the energy required for the modulation can originate from an energy source which is integrated in the marking tag, connected at the marking tag or made available by the transmitting signal, as is customary, for example, in the case of an RFID transponder.
  • a modulation of the transmission signal for example, a marking tag can be detected individually by the detector.
  • the marking tag can transmit additional information such as, for example, the type of danger or the safety distance to be maintained.
  • the tag tag signal may also be a signal generated by tag itself.
  • a signal is independent of the form, characteristic, spectrum of the transmission signal.
  • Such a tagging day is, for example, constant or at certain intervals continuously transmitting.
  • a transmitter and a transmitter signal in the detector can be dispensed with in this case.
  • the marking tag may also be designed such that it is activated only by the transmitter signal of the detector for emitting its marking tag signal.
  • the detector may include means for triggering an alarm. For example, it is conceivable that as soon as the detector enters the danger zone, or the safety distance between marking tag and detector falls short, an alarm is triggered.
  • the means for triggering an alarm may include an optical and / or acoustic and / or haptic alarm.
  • the service personnel carrying the detector is thus alerted directly to entering the danger zone.
  • the detector may alert the alarm by activating a flashing light and / or by triggering a specific audible alarm signal and / or by vibration.
  • the means for triggering an alarm may include connection means for forwarding the alarm to an external control unit.
  • connection means are a radio antenna, or a junction box with which a connection to an external control unit can be made.
  • the control unit can initiate further steps. For example, a central warning light and / or a siren can be activated. It is also conceivable that in particular in an elevator installation, the elevator car is blocked. Depending on the type or origin of the triggered alarm, different actions can take place. For example, in an elevator installation only a further shutdown of the elevator car can be prevented, while a startup of the elevator car is still allowed. It is also conceivable that the control unit specially lights security exits or emergency exits, so that the service personnel can get out of the danger zone and the regular operation of the system can be continued again.
  • the safety distance to be maintained can be defined in the detector and / or in the marking tag. The size of the safety distance defines the danger zone.
  • Detector can be read to allow assignment of the corresponding safety distance. It is also conceivable that the safety distance is defined directly in the marking tag and this is transmitted to the detector by the tag tag signal.
  • the detector can detect the individual marking tags before falling below the safety distance, read out the individual data and determine the corresponding safety intervals. individually monitor. Only when falling below a safety distance an alarm is triggered accordingly.
  • the tag may include means for triggering an alarm.
  • means for triggering an alarm For example, it is conceivable that a marking tag whose safety distance is undershot triggers its own alarm. The service staff can easily determine which safe distance was undercut or which danger zone was violated.
  • the means for triggering an alarm in the marking tag may include an optical and / or audible alarm.
  • the alarm-triggering marker tag can be made to attract attention with a flashing light.
  • the marking tag is designed such that a triggered alarm is forwarded to a control unit. Accordingly, in turn, offer the same options as previously described.
  • the detector can be integrated in a mobile phone.
  • a mobile phone is understood to mean not only a conventional mobile phone or smartphone, but mobile communication devices in general, such as pagers or radios, etc. These devices communicate, for example, via WLAN, cellular networks, Bluetooth, Zigbee, etc.
  • Such mobile communication devices already exist via the necessary transmitter or receiver and also have corresponding optical, acoustic and / or haptic alarm on.
  • a corresponding adaptation of a mobile communication device is very easy and inexpensive to accomplish.
  • the functionality of the detector can be integrated in a mobile phone in the form of an app.
  • An app refers to any form of application program that can be installed on the mobile phone. Such an app is easy to install on the mobile phone and can even
  • An exemplary embodiment of a method for monitoring a danger zone, in particular an elevator installation, by means of a safety system as described above comprises:
  • the distance between the detector and the tag can be determined continuously or at regular time intervals. Through a continuous determination of the distance can be responded to rapid changes. By determining the distance only at regular time intervals, an energy-optimized operation of the safety system is possible. It should be noted, however, that the time intervals are chosen so short that moving processes can still be detected reliably.
  • an optical and / or acoustic and / or haptic alarm device can be actuated.
  • Such an alarm device can for example be integrated directly in the detector and / or in one or more marking tags. It is also conceivable that triggering the alarm external alarm are triggered via the connecting means and the control unit.
  • security system Although some embodiments are described by the term "security system”, it does not necessarily mean that an embodiment has certain properties that may be required by a security system, eg, that it is fail-safe, that it is redundant, or that it is certified other embodiments may have one or more of these properties.
  • FIG. 1 a schematic representation of an elevator installation
  • FIG. 2 shows a detail view from FIG. 1 with installed security system
  • Figure 3 a schematic representation of the security system of Figure 2.
  • Figure 1 shows a schematic representation of an elevator system of a building.
  • the elevator installation essentially has an elevator cage 6 and a counterweight 7, which are connected to one another by a cable 8 and can be moved up and down by a drive.
  • a control unit 3 controls the elevator installation.
  • Marking tags 20, which define a danger zone 2 around the elevator car 6 and the counterweight 7, are arranged both on the counterweight 7 and on the elevator car 6.
  • the danger zone 2 results from the sum of the danger zones defined through the individual marker tags and is shown by the dashed line around the individual tag tags 20.
  • FIG. 2 shows a detailed view of the elevator installation from FIG. 1 with installed safety system. Again recognizable is the elevator car 6 with their tag 20. However, only the danger zone 2 of the lower two marking tags 20 is shown by a dashed line.
  • the elevator car 6 is attached to a cable 8.
  • the tag tags 20 are fixedly attached to the elevator car 6 and thus stationary with respect to the danger zone 2.
  • In the elevator shaft is a service technician with a detector 10.
  • the detector 10 is shown as a mobile device in the form of a mobile phone 18.
  • the detector 10 transmits a transmission signal 12 to detect the tag 20. Starting from the tag tags, a tag tag signal 21 is sent back to the detector 10. In this case, the distance d between the tag tag 20 and the detector 10 is determined.
  • an alarm is triggered.
  • This alarm can be triggered visually and / or acoustically and / or haptically directly on the detector 10 or on the mobile telephone 18.
  • the alarm can also be forwarded by the detector 10 to a central control unit 3 (see FIG. 3), which then activates, for example, a warning light 4 and / or a siren 5.
  • the control unit will prevent further lowering of the elevator car 6 by corresponding brake mechanisms are actuated.
  • the service technician will recognize the alarm directly on his mobile phone 18 or perceive via the warning light 4 or the siren 5.
  • the security system 1 comprises the detector 10 as well as the marking tag 20.
  • the detector 10 is integrated directly into a mobile telephone 18.
  • the detector 10 has a transmitter 11 and a receiver 13, which are connected to a connection means 17 in the form of an antenna.
  • the detector 10 has a means 15 which, if necessary trigger an alarm and an alarm transmitter 16, for example, the loudspeaker of the mobile phone 18, can activate.
  • Mark tag 20 also has an alarm trigger
  • the danger zone 2 is shown schematically by a dashed circle.
  • the danger zone extends in a circle or in a spatial representation in a sphere with a radius of the safety distance ds around the marking tag 20.
  • a transmission signal 12 is emitted by the detector 10
  • a corresponding marking tag signal 21 is emitted from the marking tag 20.
  • This marking tag Signal can be generated either by reflection or modulation of the transmission signal 12 or active be actively broadcast by the marking tag 20.
  • the tag tag signal 21 will in turn be received as receive signal 14 from the antenna 17 and from the receiver 13.
  • the detector 10 will perform an evaluation and calculate the distance d between the tag tag 20 and detector 10.
  • the safety distance ds is undershot and an alarm is triggered.
  • This alarm is noticeable, for example, by an alarm sound from the alarm transmitter 16 or by a flashing display of the mobile telephone 18.
  • the mobile phone 18 can alert by its vibration function on the alarm.
  • the detector 10 informs a control unit 3 about the alarm, so that the control unit 3 can actuate a warning light 4 and a siren 5. If it is an installation in an elevator installation, the control unit 3 can stop and block, for example, an elevator car 6 (see FIG. 2).
  • the distance d can be detected in various ways.
  • the distance d may be determined according to the strength of the tag signal.
  • it may be detected by means of a phase difference of two signals at different frequencies, e.g. is described in the patents US 6868073B1 or US 7714773B2.
  • technologies from proximity warning systems may be used.
  • An example of such a system is BodyGuard from Orbit Communications in Australia.
  • a method for monitoring a danger zone from an elevator installation, escalator or moving walkway by means of a security system comprises: detecting a tag tag by means of a detector, wherein the tag tag is located stationary with respect to the danger zone and the detector is a mobile device, and wherein the Danger zone is defined by a predetermined or predeterminable safety distance between detector and marking tag, determining a distance between the detector and the marking tag by means of the detector, and triggering an alarm as soon as the distance between the detector and the marking tag is less than or equal to the safety distance.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un système de sécurité (1) servant à la surveillance d'une zone de dangers (2), en particulier une installation d'élévateur. Ledit système comprend : un détecteur (10) et au moins une balise de repère à détecter (20), la zone de dangers (2) étant définie par une distance de sécurité (ds), prédéfinie ou pouvant être prédéfinie, (ds) entre le détecteur (10) et la balise de repère (20). La balise de repère à détecter (20) est installée à une position fixe par rapport à la zone de dangers (2) tandis que le détecteur (10) est un appareil mobile.
EP13802650.5A 2012-12-21 2013-12-11 Surveillance d'une zone de dangers Withdrawn EP2936467A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13802650.5A EP2936467A1 (fr) 2012-12-21 2013-12-11 Surveillance d'une zone de dangers

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12198829 2012-12-21
PCT/EP2013/076196 WO2014095511A1 (fr) 2012-12-21 2013-12-11 Surveillance d'une zone de dangers
EP13802650.5A EP2936467A1 (fr) 2012-12-21 2013-12-11 Surveillance d'une zone de dangers

Publications (1)

Publication Number Publication Date
EP2936467A1 true EP2936467A1 (fr) 2015-10-28

Family

ID=47683455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13802650.5A Withdrawn EP2936467A1 (fr) 2012-12-21 2013-12-11 Surveillance d'une zone de dangers

Country Status (2)

Country Link
EP (1) EP2936467A1 (fr)
WO (1) WO2014095511A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9826351B2 (en) * 2015-09-02 2017-11-21 Estimote Polska Sp. Z O. O. System and method for beacon fleet management
WO2017040690A1 (fr) * 2015-09-02 2017-03-09 Estimote, Inc. Système et procédés de suivi d'objet avec des balises sans fil
JP6681176B2 (ja) * 2015-11-17 2020-04-15 オーチス エレベータ カンパニーＯｔｉｓ Ｅｌｅｖａｔｏｒ Ｃｏｍｐａｎｙ エレベータかごモーションアラートシステム
US10580268B2 (en) 2016-06-14 2020-03-03 Mighty Oak Medical, Inc. System and method for determining a person within a predetermined distance of an emitter of ionizing energy
CN110234588A (zh) 2017-03-21 2019-09-13 通力股份公司 用于控制电梯系统的方法和控制设备
DE102017118890A1 (de) * 2017-08-18 2019-02-21 mei-sys GmbH Einrichtung und Verfahren zum entfernten Bedienen einer Vorrichtung
US10906776B2 (en) * 2017-08-30 2021-02-02 Otis Elevator Company Work area technician warning system
US10741049B2 (en) * 2017-09-26 2020-08-11 Otis Elevator Company Elevator motion alert system
US11548761B2 (en) * 2018-07-31 2023-01-10 Otis Elevator Company Detecting elevator mechanics in elevator systems
US20200189879A1 (en) * 2018-12-14 2020-06-18 Otis Elevator Company Safety system based on hoistway access detection

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US6202797B1 (en) * 1999-08-26 2001-03-20 Otis Elevator Company Automatic protection of elevator mechanics
DE102009030953A1 (de) * 2009-06-29 2010-12-30 Still Gmbh Sicherheitssystem zum Betrieb von mobilen Arbeitsmaschinen
GB2473061A (en) * 2009-09-01 2011-03-02 Pantelis Panteli Safety Arrangement Using RFID Tag and Sensor

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US8232888B2 (en) * 2007-10-25 2012-07-31 Strata Proximity Systems, Llc Interactive magnetic marker field for safety systems and complex proximity warning system
CA2617976A1 (fr) * 2008-01-11 2009-07-11 John Dasilva Systeme de securite du personnel faisant appel a des frequences a variation temporelle
JP6238446B2 (ja) * 2011-02-25 2017-11-29 シズベル テクノロジー エス．アール．エル． 少なくとも一つのアクセスポイントを有する無線ネットワークを備えた環境で無線デバイスの位置を特定する方法

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Publication number Priority date Publication date Assignee Title
US6202797B1 (en) * 1999-08-26 2001-03-20 Otis Elevator Company Automatic protection of elevator mechanics
DE102009030953A1 (de) * 2009-06-29 2010-12-30 Still Gmbh Sicherheitssystem zum Betrieb von mobilen Arbeitsmaschinen
GB2473061A (en) * 2009-09-01 2011-03-02 Pantelis Panteli Safety Arrangement Using RFID Tag and Sensor

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Title
See also references of WO2014095511A1 *

Also Published As

Publication number Publication date
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