WO2012001024A1 - Device for monitoring a position and/or a movement of at least one object in relation to a predetermined zone, in particular a danger zone, of an installation, and an installation comprising a plurality of devices - Google Patents
Device for monitoring a position and/or a movement of at least one object in relation to a predetermined zone, in particular a danger zone, of an installation, and an installation comprising a plurality of devices Download PDFInfo
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- WO2012001024A1 WO2012001024A1 PCT/EP2011/060869 EP2011060869W WO2012001024A1 WO 2012001024 A1 WO2012001024 A1 WO 2012001024A1 EP 2011060869 W EP2011060869 W EP 2011060869W WO 2012001024 A1 WO2012001024 A1 WO 2012001024A1
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- 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
- Device for monitoring a position and / or a movement of at least one object with respect to a predetermined area, in particular danger area, of a plant and installation with a plurality of devices
- the invention relates to a device for monitoring a position and / or movement of at least one object with respect to a predetermined area, in particular danger area, of a facility. Furthermore, the invention relates to a system with such devices.
- WO 2008009536 Al known to provide a surveil ⁇ monitoring device for a safety-relevant area of an industrial plant, comprising:
- a detector unit which detects emitted by a person is present or the absence of electromagnetic radiation hidden by a person present on electromagnetic radiation, wherein the detecting unit is based on door types ei ⁇ ner combination of at least two of the following Detek-:
- troll unit a in communication with the evaluation unit con- which in the presence of a person in the si range ⁇ cherheitsrelevanten automatically initiates a force acting against the presence of the person action, and d) a system control means in such a manner with the
- Control unit communicates that on detection of egg ner person at risk from the system controller automatically, especially in real time, a Ge ⁇ fumblerdung reducing procedure is executed in the plant operation.
- the object of the present invention is to further increase safety in industrial plants. This object is achieved with a device for surveil ⁇ monitoring of movements of at least one object in relation to a predetermined region, in particular the hazardous area of an installation comprising a RFID sensor for contactless identification and detection of a distance of the object is provided with a RFID marker of said device, said identification and distance with a on the device locally stored data, in particular identifying ⁇ cation data, authorization data, and distance data is compared comprising, wherein depending on the result of the comparison a discernible from the object signal is generated and / or the device is transferred from a first operating mode in a second operating mode and / or a signal is transmitted to a central control center of the system for further processing.
- the evaluation thus takes place decentrally from or in the case of several devices of each device itself.
- the solution includes a standalone component for the detection and signaling of unauthorized access to hazardous areas. It is a perceptible signaling with either a light signal (traffic light, beacon, %), egg ⁇ nem acoustic transducer (horn, %), a communication interface for central monitoring unit (process bus, LAN, point-to-point Connection, %) or fail-safe contacts.
- the implementation is based on RFID technology, which allows to determine ⁇ be without contact and radio-based convergence of Foundzeichne- th objects.
- the award of an object takes place with so-called tags or RFID markers.
- This is passive electronics, which is activated in the excitation field of the component and sends an identifier.
- the removal and automation can about the strength of the received signal ization of an object detected and converted into a correspondingly it ⁇ kalierenden signal status (traffic light colors, sound volume or - frequency, different telegrams and messages, fail-safe contacts for switching off).
- control signals can optionally be switched in other modes of operation the component in order to enable in a ⁇ simplest case, an approach without triggering a signal, in particular warning signal.
- control signals for the control of the control signals and the control technology use of Sig ⁇ nalstatus the connection of the components in the control system of the system is recommended.
- the behavior of the device is controlled by a data set that is created using a suitable software application on a PC workstation. The data set is transmitted to the device via a communication line or by approximation with a correspondingly programmed "tag".
- the device preferably behaves itself as a "tag", so that adjacent devices, depending on the appropriate configuration, can identify them as a permitted object at the intended distance.
- an overall status can be generated in this way by logically linking the individual status of the devices, and the neighboring device can be suitably influenced by mutually changing the own tag identifier.
- objects e.g. Employees and, if necessary, movable equipment, to be provided with suitable "tags” or RFID markers.
- An existing switch functionality allows the connection of a camera system for optical display of the danger zone ⁇ kingdom.
- the implementation of a web server in Kommunikati ⁇ onsreaor allows a post-mortem dump in case of disturbances and retrieve service and log data with standard browsers.
- the inventive step is to encapsulate the umfas ⁇ a problem solution in a single device, with the upgraded in cooperation with similar other devices solutions (geometry of the monitored zone, SI levels) as well as an overall system with additional higher-level functionality may be designed successively and-scaling.
- the decentralized approach contributes to a robust way of working.
- the device can be used individually as well as in the context of the automation system.
- Higher-level applications enable the analysis of work processes, the discovery of persons and devices, the identification of bottlenecks and potential dangers.
- the decentralized mode of operation allows a local disconnection of a subsystem in the event of unauthorized approach, depending on the RFID markers detected.
- / is necessary to attain kei ⁇ ne parent networks and / or a higher-level routing ⁇ technology.
- the invention provides the ability to locate people and / or tools in the Area of the monitored area. The invention also makes it possible to recognize the training or the level of knowledge of the persons in the danger area, provided that this is deposited accordingly on the RFID markers. This makes it possible to respond appropriately to a given situation.
- the device expands and enhances the state of the art in terms of plant safety and hazard prevention, along with your software applications.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
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- Mechanical Engineering (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Alarm Systems (AREA)
Abstract
Description
Beschreibung description
Vorrichtung zur Überwachung einer Position und/oder einer Bewegung wenigstens eines Objekts im Bezug auf einen vorgegebe- nen Bereich, insbesondere Gefahrenbereich, einer Anlage sowie Anlage mit einer Mehrzahl an Vorrichtungen Device for monitoring a position and / or a movement of at least one object with respect to a predetermined area, in particular danger area, of a plant and installation with a plurality of devices
Die Erfindung betrifft eine Vorrichtung zur Überwachung einer Position und/oder Bewegung wenigstens eines Objekts im Bezug auf einen vorgegebenen Bereich, insbesondere Gefahrenbereich, einer Anlage. Ferner betrifft die Erfindung eine Anlage mit derartigen Vorrichtungen. The invention relates to a device for monitoring a position and / or movement of at least one object with respect to a predetermined area, in particular danger area, of a facility. Furthermore, the invention relates to a system with such devices.
Veränderte Anforderungen zur Anlagensicherheit bedingen zu- sätzlichen Aufwand im Anlagenbau und insbesondere bei Moder¬ nisierungsprojekten. Dort werden häufig technische Verbesse¬ rungen schrittweise implementiert und hohe Einmalkosten, die vorausschauend geleistet werden müssen, können nur schwer vermittelt werden. Changed requirements for plant safety require additional work and extra in plant construction and especially in moder ¬ nisierungsprojekten. There technical IMPROVE ¬ stakes are gradually implemented frequent and high non-recurring costs that must be made ahead may be difficult to give.
Gesucht werden deshalb Lösungen, die ohne relevante Initial¬ kosten sukzessive und bedarfsgerecht in eine Anlage einge¬ führt und in Verlauf ohne Mehrkosten erweitert werden können. Sie soll sich in die vorhandene Automatisierungstechnik ein- fügen und ggf. neue Anwendungsmöglichkeiten eröffnen. Solutions that cost without relevant Initial ¬ are searched for successively and demand is ¬ leads to a facility can be expanded in the course at no extra cost. It should fit into the existing automation technology and, if necessary, open up new application possibilities.
Bisher wurde das sicherheitstechnische Maßnahmen einer Anlage mit dem Kunden vor dem Hintergrund geltenden Rechts und be¬ hördlichen Anforderungen spezifiziert und umgesetzt. Durch Veränderungen bei der Produkthaftung und den Vorschriften zur Arbeitssicherheit wird dies heute in der Regel weltweit ge¬ fordert. Hierbei finden Zäune, Blenden und Schlüssel- bzw. Verriegelungssysteme Verwendung, die einen versehentlichen Zugang zu Sicherheitsbereichen verhindern. So far, the safety measures a system with the customer in the context applicable law and be ¬ hördlichen requirements specified and implemented. This is the world ge calls ¬ usually today by changes in product liability and regulations on occupational safety. Fences, panels and key or locking systems are used to prevent inadvertent access to security areas.
Häufig sind diese Systeme mechanischer Art, bedingen Pflege- und Administrationskosten sowie zum Teil hohe Investitionen. Bei Modernisierungsvorhaben ist zudem schwierig entsprechende Bedingungen für die Erweiterung von Sicherheitsmaßnahmen (z.B. Platz, Trägfähigkeit und Eignung des Montage-Ortes vor¬ handene Gerätschaften, Zeitrahmen) die Situation. Flexible, unabhängige und leicht herstellbare Lösungen sind nicht be- kannt . Often, these systems are mechanical, cause care and administration costs, and sometimes high investments. For modernization projects is also difficult corresponding Conditions for the extension of security measures (eg square, bearing capacity and suitability of the installation site before ¬ handene equipment, time frame) the situation. Flexible, independent and easy to manufacture solutions are not known.
Ferner ist es aus der WO 2008009536 AI bekannt, eine Überwa¬ chungseinrichtung für einen sicherheitsrelevanten Bereich einer Industrieanlage vorzusehen, umfassend: Further, it is known from WO 2008009536 Al known to provide a surveil ¬ monitoring device for a safety-relevant area of an industrial plant, comprising:
a) eine Detektoreinheit, welche von einer anwesenden Person ausgehende elektromagnetische Strahlung oder das Ausbleiben von durch eine anwesende Person ausgeblendeter elektromagnetischer Strahlung erfasst, wobei die Detektoreinheit auf ei¬ ner Kombination von mindestens zwei der nachfolgenden Detek- tortypen beruht: a) a detector unit, which detects emitted by a person is present or the absence of electromagnetic radiation hidden by a person present on electromagnetic radiation, wherein the detecting unit is based on door types ei ¬ ner combination of at least two of the following Detek-:
- einem Bewegungsmelder, - a motion detector,
- einer Lichtschranke, a photocell,
- einer Videokamera oder einer CCD-Kamera, a video camera or a CCD camera,
- einer Thermokamera, - a thermal camera,
- einer Kombination aus Lichtsender und Halbleitermatrix- Sensor, insbesondere in CMOS-Technologie, a combination of light emitter and semiconductor matrix sensor, in particular in CMOS technology,
b) eine Auswerteeinheit, die aus Ausgangsdaten der Detektor¬ einheit die Anwesenheit einer Person erkennt, b) an evaluation unit which recognizes the presence of a person from output data of the detector unit,
c) eine mit der Auswerteeinheit in Verbindung stehende Kon- trolleinheit , welche bei Anwesenheit einer Person im si¬ cherheitsrelevanten Bereich automatisch eine gegen die Anwesenheit der Person wirkende Aktion einleitet, und d) eine Anlagensteuerungseinrichtung , die derart mit der c) troll unit a in communication with the evaluation unit con- which in the presence of a person in the si range ¬ cherheitsrelevanten automatically initiates a force acting against the presence of the person action, and d) a system control means in such a manner with the
Kontrolleinheit in Verbindung steht, dass bei Erkennen ei- ner gefährdeten Person von der Anlagensteuerungseinrichtung automatisch, insbesondere in Echtzeit, ein die Ge¬ fährdung reduzierender Eingriff in den Anlagenbetrieb ausführbar ist. Aufgabe der vorliegenden Erfindung ist es, die Sicherheit in industriellen Anlagen weiter zu erhöhen. Diese Aufgabe wird gelöst mit einer Vorrichtung zur Überwa¬ chung von Bewegungen wenigstens eines Objekts im Bezug auf einen vorgegebenen Bereich, insbesondere Gefahrenbereich, einer Anlage, umfassend einen RFID-Sensor zur kontaktlosen Identifikation und Erfassung eines Abstands des mit einem RFID-Marker versehenen Objekts von der Vorrichtung, wobei Identifikation und Abstand mit einem auf der Vorrichtung lokal hinterlegten Datensatz, insbesondere umfassend Identifi¬ kationsdaten, Authorisierungsdaten, und Abstandsdaten, ver- glichen wird, wobei abhängig vom Ergebnis des Vergleichs ein vom Objekt wahrnehmbares Signal erzeugt wird und/oder die Vorrichtung von einem ersten Betriebsmodus in einen zweiten Betriebsmodus überführt wird und/oder ein Signal an eine zentrale Leitstelle der Anlage zur weiteren Verarbeitung übermittelt wird. Die Auswertung erfolgt somit dezentral von der bzw. bei mehreren Vorrichtungen von jeder Vorrichtung selbst . Control unit communicates that on detection of egg ner person at risk from the system controller automatically, especially in real time, a Ge ¬ fährdung reducing procedure is executed in the plant operation. The object of the present invention is to further increase safety in industrial plants. This object is achieved with a device for surveil ¬ monitoring of movements of at least one object in relation to a predetermined region, in particular the hazardous area of an installation comprising a RFID sensor for contactless identification and detection of a distance of the object is provided with a RFID marker of said device, said identification and distance with a on the device locally stored data, in particular identifying ¬ cation data, authorization data, and distance data is compared comprising, wherein depending on the result of the comparison a discernible from the object signal is generated and / or the device is transferred from a first operating mode in a second operating mode and / or a signal is transmitted to a central control center of the system for further processing. The evaluation thus takes place decentrally from or in the case of several devices of each device itself.
Somit umfasst die Lösung eine eigenständige Komponente für die Erkennung und Signalisierung unerlaubten Zutritts in Gefahrenbereiche. Sie ist für eine wahrnehmbare Signalisierung wahlweise mit einem Lichtsignal (Ampel, Drehlicht, ... ) , ei¬ nem akustischen Geber (Signalhorn, ... ) , einer Kommunikationsschnittstelle zur zentralen Überwachungseinheit (Prozess- bus, LAN, Punkt-zu-Punkt-Verbindung , ... ) oder fehlersichere Kontakte versehen. Thus, the solution includes a standalone component for the detection and signaling of unauthorized access to hazardous areas. It is a perceptible signaling with either a light signal (traffic light, beacon, ...), egg ¬ nem acoustic transducer (horn, ...), a communication interface for central monitoring unit (process bus, LAN, point-to-point Connection, ...) or fail-safe contacts.
Die Implementierung basiert auf der RFID-Technologie, die be¬ rührungslos und funkbasiert die Annäherung von ausgezeichne- ten Objekten zu ermitteln erlaubt. Die Auszeichnung eines Objekts erfolgt mit sogenannten Tags bzw. RFID-Markern . Dabei handelt es sich um passive Elektronik, die im Erregerfeld der Komponente aktiviert wird und eine Kennung versendet. Über die Stärke des Empfangssignals kann die Entfernung und Auto- risierung eines Objekts erkannt und in einen entsprechend es¬ kalierenden Signalstatus umgesetzt werden (Ampelfarben, Tonlautstärke bzw. - frequenz, unterschiedliche Telegramme bzw. Meldungen, fehlersichere Kontakte zur Abschaltung) . Mit Steuersignalen (fehlersichere Eingänge, Telegramme an der Kommunikationslinie, geeignete Tags) kann die Komponente ggf. auch in andere Betriebsmodi umgeschaltet werden, um im ein¬ fachsten Fall eine Annäherung ohne Auslösung eines Signals, insbesondere Warnsignals, zu ermöglichen. Für die Ansteuerung der Steuersignale und die leittechnische Verwendung des Sig¬ nalstatus empfiehlt sich die Anbindung der Komponenten in die Leittechnik der Anlage. Das Verhalten der Vorrichtung wird durch einen Datensatz gesteuert, der mit Hilfe einer geeigneten Software-Applikation an einem PC-Arbeitsplatz erstellt wird. Der Datensatz wird über eine Kommunikationslinie auf die Vorrichtung übertragen oder durch Annäherung mit einem entsprechend programmierten „Tag". The implementation is based on RFID technology, which allows to determine ¬ be without contact and radio-based convergence of ausgezeichne- th objects. The award of an object takes place with so-called tags or RFID markers. This is passive electronics, which is activated in the excitation field of the component and sends an identifier. The removal and automation can about the strength of the received signal ization of an object detected and converted into a correspondingly it ¬ kalierenden signal status (traffic light colors, sound volume or - frequency, different telegrams and messages, fail-safe contacts for switching off). With control signals (fail-safe inputs, telegrams to the communication line, suitable tags) can optionally be switched in other modes of operation the component in order to enable in a ¬ simplest case, an approach without triggering a signal, in particular warning signal. For the control of the control signals and the control technology use of Sig ¬ nalstatus the connection of the components in the control system of the system is recommended. The behavior of the device is controlled by a data set that is created using a suitable software application on a PC workstation. The data set is transmitted to the device via a communication line or by approximation with a correspondingly programmed "tag".
Die Vorrichtung verhält sich vorzugsweise selbst wie ein „Tag", so dass benachbarte Vorrichtungen je nach geeigneter Projektierung diese als erlaubtes Objekt in der vorgesehenen Entfernung identifizieren können. The device preferably behaves itself as a "tag", so that adjacent devices, depending on the appropriate configuration, can identify them as a permitted object at the intended distance.
Nach geeigneter Projektierung benachbarter Vorrichtungen kann auf diesem Wege durch logische Verknüpfung der Einzelstati der Vorrichtungen ein Gesamtstatus erzeugt und durch gegen- seitige Veränderung der eigenen Tag-Kennung die Nachbarvorrichtung geeignet beeinflusst werden. After suitable configuration of adjacent devices, an overall status can be generated in this way by logically linking the individual status of the devices, and the neighboring device can be suitably influenced by mutually changing the own tag identifier.
Unter Berücksichtigung des entfernungsabhängigen Signalisie- rungsverhalten können komplexe Bereichsgeometrien (Kreis, Achten, Dreiecke mit gekrümmten Kanten,...) sowie redundante Instrumentierung für höherer SI-Level realisiert werden. Taking account of the distance-dependent signaling behavior, complex area geometries (circle, eighth, triangles with curved edges, ...) as well as redundant instrumentation for higher SI levels can be realized.
Für die operative Nutzung der Vorrichtungen sind Objekte, z.B. Mitarbeiter und ggf. bewegliche Gerätschaften, mit ge- eigneten „Tags" bzw. RFID-Markern zu versehen. For operative use of the devices, objects, e.g. Employees and, if necessary, movable equipment, to be provided with suitable "tags" or RFID markers.
Dies wird für den Arbeitsbereich durch administrative Maßnahmen, durch Prüfung an den Zugängen oder durch dynamische Er- fassung der Bewegungsprofile der Objekte an der Zentralstati¬ on sichergestellt. This is done for the work area by administrative measures, by checking at the access points or by dynamic Constitution of the movement profiles of the objects at the Zentralstati ¬ on ensured.
Als Kommunikationslinien sind die bekannten seriellen Bussys- teme der Automatisierung, insbesondere ProfiBus bzw. ProfiNet denkbar. Die Verwendung z.B. des ERTEC200 als Kommunikations¬ prozessor ermöglicht den Aufbau eines TCP/IP-fähigen Netz¬ werks zwischen den Komponenten bzw. deren Einbettung in übliche Automatisierungssysteme. As communication lines, the known serial bus systems of automation, in particular ProfiBus or ProfiNet are conceivable. The use of, for example, as a communication ERTEC200 ¬ processor enables the construction of a TCP / IP enabled network ¬ station between the components and their integration in conventional automation systems.
Eine vorhandene Switch-Funktionalität erlaubt den Anschluss eines Kamerasystems zur optischen Darstellung des Gefahrenbe¬ reichs. Die Implementierung eines Web-Servers im Kommunikati¬ onsprozessor erlaubt einen post-mortem-dump im Falle von Stö- rungen sowie den Abruf von Service- und Protokoll-Daten mit üblichen Browsern. An existing switch functionality allows the connection of a camera system for optical display of the danger zone ¬ kingdom. The implementation of a web server in Kommunikati ¬ onsprozessor allows a post-mortem dump in case of disturbances and retrieve service and log data with standard browsers.
Der erfinderische Schritt besteht in der Kapselung der umfas¬ senden Problemlösung in einer einzigen Vorrichtung, mit der im Zusammenwirken mit gleichartigen anderen Vorrichtungen veredelte Lösungen (Geometrie des Überwachungsbereichs, SI- Level) sowie ein Gesamtsystem mit zusätzlicher übergeordneter Funktionalität sukzessive und skalierend gestaltet werden kann . The inventive step is to encapsulate the umfas ¬ a problem solution in a single device, with the upgraded in cooperation with similar other devices solutions (geometry of the monitored zone, SI levels) as well as an overall system with additional higher-level functionality may be designed successively and-scaling.
Der dezentrale Lösungsansatz trägt zu einer robusten Arbeitsweise bei. Die Vorrichtung kann einzeln wie auch im Rahmen des Automatisierungssystems verwendet werden. Übergeordnete Applikationen ermöglichen die Analyse von Arbeitsvorgängen, die Auffindung von Personen und Geräten, die Identifikation von Engpassen und Gefahrenpotentialen. The decentralized approach contributes to a robust way of working. The device can be used individually as well as in the context of the automation system. Higher-level applications enable the analysis of work processes, the discovery of persons and devices, the identification of bottlenecks and potential dangers.
Die dezentrale Funktionsweise erlaubt abhängig von den er- fassten RFID-Markern eine lokale Abschaltung einer Teilanlage bei unerlaubter Annäherung. Insbesondere sind/ist hierzu kei¬ ne übergeordneten Netzwerke und/oder eine übergeordnete Leit¬ technik erforderlich. Ebenfalls gibt die Erfindung die Möglichkeit zum Auffinden von Personen und/oder Werkzeugen im Bereich des überwachten Areals. Auch erlaubt es die Erfindung, den Ausbildungs- bzw. den Kenntnisstand der Personen im Gefahrenbereich zu erkennen, sofern dieser entsprechend auf den RFID-Markern hinterlegt ist. Dadurch kann angemessen auf eine vorliegende Situation reagiert werden. The decentralized mode of operation allows a local disconnection of a subsystem in the event of unauthorized approach, depending on the RFID markers detected. In particular, / is necessary to attain kei ¬ ne parent networks and / or a higher-level routing ¬ technology. Also, the invention provides the ability to locate people and / or tools in the Area of the monitored area. The invention also makes it possible to recognize the training or the level of knowledge of the persons in the danger area, provided that this is deposited accordingly on the RFID markers. This makes it possible to respond appropriately to a given situation.
Die Vorrichtung erweitert und verbessert zusammen mit Ihren Software-Applikationen den Stand der Technik im Hinblick auf die Anlagensicherheit und Gefahren-Prävention. The device expands and enhances the state of the art in terms of plant safety and hazard prevention, along with your software applications.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010030667A DE102010030667A1 (en) | 2010-06-29 | 2010-06-29 | Device for monitoring a position and / or a movement of at least one object with respect to a predetermined area, in particular danger area, a plant and installation with a plurality of devices |
| DE102010030667.3 | 2010-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012001024A1 true WO2012001024A1 (en) | 2012-01-05 |
Family
ID=44510891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2011/060869 Ceased WO2012001024A1 (en) | 2010-06-29 | 2011-06-29 | Device for monitoring a position and/or a movement of at least one object in relation to a predetermined zone, in particular a danger zone, of an installation, and an installation comprising a plurality of devices |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102010030667A1 (en) |
| WO (1) | WO2012001024A1 (en) |
Cited By (1)
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| CN107260016A (en) * | 2017-08-16 | 2017-10-20 | 合肥康东福双信息科技有限公司 | Air fryer capable of preventing mistaken scalding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102022116305B4 (en) * | 2022-06-30 | 2024-11-14 | Sick Ag | Safety system and method with a safety system |
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2010
- 2010-06-29 DE DE102010030667A patent/DE102010030667A1/en not_active Withdrawn
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2011
- 2011-06-29 WO PCT/EP2011/060869 patent/WO2012001024A1/en not_active Ceased
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| US20070236352A1 (en) * | 2006-03-30 | 2007-10-11 | Allen Lloyd W Jr | Warning of hazardous conditions in monitored spaces using RFID technology |
| US20080018472A1 (en) * | 2006-07-11 | 2008-01-24 | John Dasilva | Radio frequency identification based personnel safety system |
| WO2008009536A1 (en) | 2006-07-17 | 2008-01-24 | Siemens Aktiengesellschaft | Industrial plant having safety-relevant area |
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| CN107260016A (en) * | 2017-08-16 | 2017-10-20 | 合肥康东福双信息科技有限公司 | Air fryer capable of preventing mistaken scalding |
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| Publication number | Publication date |
|---|---|
| DE102010030667A1 (en) | 2011-12-29 |
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