WO2009050316A1 - Method and device for industrial security - Google Patents

Method and device for industrial security Download PDF

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Publication number
WO2009050316A1
WO2009050316A1 PCT/ES2008/000645 ES2008000645W WO2009050316A1 WO 2009050316 A1 WO2009050316 A1 WO 2009050316A1 ES 2008000645 W ES2008000645 W ES 2008000645W WO 2009050316 A1 WO2009050316 A1 WO 2009050316A1
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WO
WIPO (PCT)
Prior art keywords
labels
machinery
operators
reader
emergency stop
Prior art date
Application number
PCT/ES2008/000645
Other languages
Spanish (es)
French (fr)
Inventor
Mario Luis Ruz Ruiz
Juan GALÁN ALCAIDE
Francisco Javier VÁZQUEZ SERRANO
Fernando CHACÓN GIMÉNEZ
Original Assignee
Grupo De Empresas Dadrev Gabinete Técnico, S.L.
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 Grupo De Empresas Dadrev Gabinete Técnico, S.L. filed Critical Grupo De Empresas Dadrev Gabinete Técnico, S.L.
Publication of WO2009050316A1 publication Critical patent/WO2009050316A1/en

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Classifications

    • 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
    • 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

Definitions

  • the present invention refers to an industrial safety method and device, which using RFID technology is intended to prevent accidents automatically in dangerous situations in which conventionally not It was possible to act, or there were only manual action options to avoid the accident.
  • the invention is based on the placement of labels with legible codes in the operators of the machinery, in the detection of the location of those labels and in the automatic emergency stop on occasions when the location of the labels is considered It involves dangerous situations.
  • Radio frequency identification (RFID) technology is known, which is an emerging technology that is assuming a revolution in a wide variety of applications with good results both in its costs and in its flexibility of application. Basically, this technology consists in the ability to remotely read certain information stored in a device known as a tag (also called a tag or transponder), so that the information in those tags can be captured by a specific reader through one or more antennas connected to him.
  • RFID Radio frequency identification
  • the invention consists of an industrial safety method and device that are applicable in machinery industries that present dangerous situations for their operators.
  • the method thereof includes: - placing labels with radiofrequency readable codes in these operators; detection by radio frequency identification technology (RFID) of the spatial location of these labels by means of antennas / s at all time of operation of those machinery; and automatic emergency stop, or adequate defined action, of said machinery on the occasions when it is considered that this spatial location of the labels entails danger to one or more of those operators.
  • RFID radio frequency identification technology
  • the device corresponding to said method has at least one RFID reader provided with at least one control module and one radiofrequency module, and connected with at least one antenna through an optional tuning block.
  • Said reader is connected to a control circuit based on a microcontroller that has inputs in which at least one is included for a reset button, and outputs including at least one for a stop circuit of emergency of the machinery of the corresponding industry; provided in the operators of said machinery, through integration elements such as wristbands or rings, codes with codes (called tag or transponder) whose spatial location is detected by the reader so that the control circuit orders the emergency stop, or action adequate, in situations of danger for operators.
  • the method and device of the invention has relative advantages in that it uses the discrimination capability provided by RFID technology, making it possible to discern whether an object that is within a risk zone is a work piece or a part of the operator's body, which in the latter case could pose a dangerous situation for said operator.
  • the said operator can properly have a set of labels or transponders attached, integrated as appropriate in clothing, wristbands, rings, gloves, etc. Detecting those tags "the reader device allows the realization of the most appropriate action to avoid a possible accident.
  • Figure 1 Schematically represents a functional block diagram of an industrial safety device made according to the present invention and using the method thereof.
  • the device of Figure 1 employs a method that is applicable in industries with machines that present dangerous situations for their operators 8, presenting the following three basic conditions:
  • RFID radio frequency identification technology
  • the device corresponding to this method has an RFID reader, 3, which includes at least one control module 1 and a radio frequency module 2, as shown in Figure 1. .
  • the said reader 3 is connected to at least one antenna 5 that is responsible for covering a detection area in which the labels or transponders can be detected, while the reader 3 is responsible for detecting the codes of the labels 6 given by their spatial location.
  • a tuning block 4 consisting of a capacitor board that is sometimes required for optimal device performance can be interleaved.
  • the reader 3 connects with a microcontroller-based control circuit 9, which has functions such as configuring the reading mode of the reader 3, handling the codes captured by the antenna 5 and acting on an emergency stop circuit 13 through one of its outputs 11.
  • this control circuit 9 includes at least one of its inputs 10 a reset button 12 that allows the operator or operators 8 to restart the machinery in the event that it has acted the automatic emergency stop provided by the aforementioned emergency stop circuit 13.
  • the aforementioned labels 6, known as a tag or transponder are available, whose sizes and shapes can be very different as appropriate, adapting to the operators 8 by Integration elements 7 such as wristbands, rings, gloves or others.
  • the reader 3 can detect the presence of labels 6 in risk areas, informing the control circuit 9 to act on the emergency stop circuit 13, avoiding possible accidents.
  • a hydraulic press can be considered operating automatically and performing a cyclic pressing movement.
  • the pressing area as a risk area, it can be covered with a rectangular antenna coupled to the machine in the form of a frame, and whose reading pattern encompasses the entire danger zone. This antenna is You will find connected to the corresponding RFID reader.
  • the operation of this reader is controlled by the microcontroller-based control circuit that connects to the machine's emergency stop circuit, so that when said circuit acts, the hydraulic press returns to a safe position. If deemed necessary, the tuning block is connected between the reader and the antenna.
  • the labels will be integrated into the operator by means of wrist straps.
  • the mechanism by which the system will perform the emergency stop will consist of the detection of at least one of the labels, which will happen when the operator approaches one of the hands to the risk zone and the machine is running.
  • a safety action will consist of making the hydraulic press return to a safety position.
  • an input of the control circuit will have a button accessible to the operator that facilitates the rearmament of the device in case it has acted, so that the machine, that is, in this case the hydraulic press, can continue with its cyclic task , the corresponding stopping occurs again if the presence of one of the labels in the danger zone is detected again.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The method includes: fitting of labels (6) to operatives (8); detection by means of radiofrequency of the location of these labels (6) during the operating times of dangerous machinery; and automatic shutdown of said machinery in situations considered dangerous depending on the location of the labels (6). The device has at least one reader (RFID) (3) connected to one or more antennae (5) and to a control circuit (9) which acts on a circuit for emergency shutdown of machinery (13) when labels (6) are detected in areas of danger for the operatives (8).

Description

MÉTODO Y DISPOSITIVO DE SEGURIDAD INDUSTRIAL OBJETO DE LA INVENCIÓN METHOD AND INDUSTRIAL SAFETY DEVICE OBJECT OF THE INVENTION
La presente invención, tal y como se expresa en el enunciado de esta memoria descriptiva, se refiere a un método y dispositivo de seguridad industrial, que empleando tecnología RFID tiene el objeto de evitar accidentes de forma automática en situaciones de peligro en las que convencionalmente no era posible actuar, o tan sólo existían opciones de actuación manuales para evitar el accidente. Para ello, la invención se basa en la colocación de etiquetas con códigos legibles en los operarios de las maquinarias, en la detección de la ubicación de esas etiquetas y en la parada automática de emergencia en las ocasiones que se considere que la ubicación de las etiquetas entraña situaciones de peligro.The present invention, as expressed in the statement of this specification, refers to an industrial safety method and device, which using RFID technology is intended to prevent accidents automatically in dangerous situations in which conventionally not It was possible to act, or there were only manual action options to avoid the accident. For this, the invention is based on the placement of labels with legible codes in the operators of the machinery, in the detection of the location of those labels and in the automatic emergency stop on occasions when the location of the labels is considered It involves dangerous situations.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
Es conocida la tecnología de identificación por radiofrecuencia (RFID, Radio Frequency Identification) , la cual es una tecnología emergente que está suponiendo una revolución en una gran variedad de aplicaciones con buenos resultados tanto en sus costes como en su flexibilidad de aplicación. Básicamente, esta tecnología consiste en la capacidad de leer a distancia cierta información almacenada en un dispositivo conocido como etiqueta (también llamado tag o transponder) , de manera que la información de esas etiquetas puede ser captada por un lector determinado a través de una o varias antenas conectadas a él .Radio frequency identification (RFID) technology is known, which is an emerging technology that is assuming a revolution in a wide variety of applications with good results both in its costs and in its flexibility of application. Basically, this technology consists in the ability to remotely read certain information stored in a device known as a tag (also called a tag or transponder), so that the information in those tags can be captured by a specific reader through one or more antennas connected to him.
Por otra parte, es conocido el riesgo de accidentes en determinadas maquinarias industriales. Existe una variedad de casos en los que los operarios necesitan manejar piezas que, o bien sobresalen de la zona de operación, o requieren un posicionamiento preciso en la correspondiente máquina, como por ejemplo en el moldeado de metales, corte de maderas, aplicaciones de joyería y otros; no siendo en estos casos factible la utilización de células fotoeléctricas u otros dispositivos de seguridad, ya que el correspondiente área de trabajo está constantemente cortada por la pieza que se está trabajando. En estos casos, se conocen y se utilizan actualmente sistemas de seguridad manuales tales como una palanca a ras del suelo para que el operario actúe sobre ella realizando un paro de emergencia al percatarse de una situación de peligro, lo cual presenta inconvenientes relativos a que en muchas situaciones la atención y la capacidad de respuesta del operario no son todo lo elevadas que se requeriría para evitar el accidente.On the other hand, the risk of accidents in certain industrial machinery is known. There are a variety of cases in which operators need to handle parts that either protrude from the area of operation, or require precise positioning on the corresponding machine, such as metal molding, wood cutting, jewelry applications and others; the use of cells not being feasible in these cases Photoelectric or other safety devices, since the corresponding work area is constantly cut by the workpiece. In these cases, manual safety systems such as a floor-level lever are known and are currently used for the operator to act on it by performing an emergency stop when they notice a dangerous situation, which presents problems related to the fact that In many situations, the operator's attention and response capacity are not as high as would be required to avoid the accident.
No conocemos en el estado actual de la técnica métodos o dispositivos que como los de la presente invención se basen en colocación de etiquetas en los operarios, la detección por radiofrecuencia de sus ubicaciones y la parada automática de emergencia en ocasiones de peligro.We do not know in the current state of the art methods or devices that, like those of the present invention, are based on the placement of labels in the operators, the radiofrequency detection of their locations and the automatic emergency stop in times of danger.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
Para lograr los objetivos y evitar los inconvenientes indicados en anteriores apartados, la invención consiste en un método y dispositivo de seguridad industrial que son aplicables en industrias con maquinarias que presentan situaciones de peligro para sus operarios.To achieve the objectives and avoid the inconveniences indicated in previous sections, the invention consists of an industrial safety method and device that are applicable in machinery industries that present dangerous situations for their operators.
Novedosamente, según la invención, el método de la misma inc1uye : - colocación de etiquetas con códigos legibles por radiofrecuencia en esos operarios; detección mediante tecnología de identificación por radiofrecuencia (RFID, Radio Frequency Identification) de la ubicación espacial de esas etiquetas mediante antenas/s en todo tiempo de funcionamiento de esas maquinarias; y parada automática de emergencia, o acción adecuada definida, de dichas maquinarias en las ocasiones en las que se considera que esa ubicación espacial de las etiquetas entraña peligro para uno o más de esos operarios.Novelly, according to the invention, the method thereof includes: - placing labels with radiofrequency readable codes in these operators; detection by radio frequency identification technology (RFID) of the spatial location of these labels by means of antennas / s at all time of operation of those machinery; and automatic emergency stop, or adequate defined action, of said machinery on the occasions when it is considered that this spatial location of the labels entails danger to one or more of those operators.
El dispositivo correspondiente al referido método cuenta con al menos un lector RFID provisto al menos de un módulo de control y de un módulo de radiofrecuencia, y conectado con al menos una antena a través de un bloque opcional de sintonización. Dicho lector se conecta a un circuito de control basado en un microcontrolador que dispone de unas entradas en las que al menos se incluye una para un pulsador de rearme, y de unas salidas entre las que al menos se incluye una para un circuito de paro de emergencia de la maquinaria de la correspondiente industria; disponiéndose en los operarios de dicha maquinaria, mediante elementos de integración tales como muñequeras o anillos, unas etiquetas con códigos (llamadas tag o transponder) cuya ubicación espacial es detectada por el lector para que el circuito de control ordene el paro de emergencia, o acción adecuada, en situaciones de peligro para los operarios .The device corresponding to said method has at least one RFID reader provided with at least one control module and one radiofrequency module, and connected with at least one antenna through an optional tuning block. Said reader is connected to a control circuit based on a microcontroller that has inputs in which at least one is included for a reset button, and outputs including at least one for a stop circuit of emergency of the machinery of the corresponding industry; provided in the operators of said machinery, through integration elements such as wristbands or rings, codes with codes (called tag or transponder) whose spatial location is detected by the reader so that the control circuit orders the emergency stop, or action adequate, in situations of danger for operators.
Con la estructura que se ha descrito, el método y dispositivo de la invención presenta ventajas relativas a que utiliza la capacidad de discriminación que proporciona la tecnología RFID, permitiendo discernir si un objeto que se encuentra dentro de una zona de riesgo es una pieza de trabajo o una parte del cuerpo del operario, que en este último caso podría suponer una situación de peligro para dicho operario. Así, el referido operario puede llevar adecuadamente acoplados un conjunto de etiquetas o transponder, integradas según convenga en la ropa, muñequeras, anillos, guantes, etc. La detección de esas etiquetas por" parte del lector del dispositivo permite la realización de la acción más adecuada para evitar un posible accidente.With the structure described, the method and device of the invention has relative advantages in that it uses the discrimination capability provided by RFID technology, making it possible to discern whether an object that is within a risk zone is a work piece or a part of the operator's body, which in the latter case could pose a dangerous situation for said operator. Thus, the said operator can properly have a set of labels or transponders attached, integrated as appropriate in clothing, wristbands, rings, gloves, etc. Detecting those tags "the reader device allows the realization of the most appropriate action to avoid a possible accident.
A continuación, para facilitar una mejor comprensión de esta memoria descriptiva y formando parte integrante de la misma, se acompaña una figura única en la que con carácter ilustrativo y no limitativo se ha representado el objeto de la invención.Next, to facilitate a better understanding of this descriptive report and being an integral part of it, a unique figure is attached in which Illustrative and non-limiting nature has been represented the object of the invention.
BREVE DESCRIPCIÓN DE LA FIGURABRIEF DESCRIPTION OF THE FIGURE
Figura 1.- Representa esquemáticamente un diagrama de bloques funcionales de un dispositivo de seguridad industrial realizado según la presente invención y que emplea el método de la misma.Figure 1.- Schematically represents a functional block diagram of an industrial safety device made according to the present invention and using the method thereof.
DESCRIPCIÓN DE UN EJEMPLO DE REALIZACIÓN DE LA INVENCIÓNDESCRIPTION OF AN EXAMPLE OF EMBODIMENT OF THE INVENTION
Seguidamente se realiza una descripción de un ejemplo de la invención haciendo referencia a la numeración adoptada en la figura.Next, a description of an example of the invention is made with reference to the numbering adopted in the figure.
Así, el dispositivo de la figura 1 emplea un método que es aplicable en industrias con máquinas que presentan situaciones de peligro para sus operarios 8, presentando las tres condiciones básicas siguientes:Thus, the device of Figure 1 employs a method that is applicable in industries with machines that present dangerous situations for their operators 8, presenting the following three basic conditions:
Colocación de etiquetas 6 con códigos legibles por radiofrecuencia en los operarios 8.Placement of labels 6 with radiofrequency readable codes in operators 8.
Detección mediante tecnología de identificación por radiofrecuencia (RFID, Radio Frequency Identification) de la ubicación espacial de esas etiquetas 6 en todo tiempo de funcionamiento de esas maquinarias.Detection by radio frequency identification technology (RFID) of the spatial location of these labels 6 at all times of operation of those machines.
Y parada automática de emergencia, o acción adecuada, de dichas maquinarias en las ocasiones en las que se considera que esa ubicación espacial de las etiquetas 6 entraña peligro para uno o más de esos operarios.And automatic emergency stop, or appropriate action, of said machinery on the occasions when it is considered that this spatial location of the labels 6 entails danger to one or more of these operators.
El dispositivo correspondiente a este método, cuyos bloques funcionales se aprecian en la figura 1, cuenta con un lector RFID, 3, que incluye al menos un módulo de control 1 y un módulo de radiofrecuencia 2, tal y como se representa en la figura 1.The device corresponding to this method, whose functional blocks are shown in Figure 1, has an RFID reader, 3, which includes at least one control module 1 and a radio frequency module 2, as shown in Figure 1. .
Al referido lector 3 se encuentra conectada al menos una antena 5 que se encarga de cubrir un área de detección en el que se pueden detectar las etiquetas o transponders, en tanto que el lector 3 es el encargado de detectar los códigos de las etiquetas 6 dados por su ubicación espacial .The said reader 3 is connected to at least one antenna 5 that is responsible for covering a detection area in which the labels or transponders can be detected, while the reader 3 is responsible for detecting the codes of the labels 6 given by their spatial location.
Opcionalmente, entre la antena 5 y el lector 3, y en función de las necesidades del correspondiente ambiente radioeléctrico, se puede intercalar un bloque de sintonización 4 consistente en una placa de condensadores que en ocasiones se requiere para el óptimo rendimiento del dispositivo.Optionally, between the antenna 5 and the reader 3, and depending on the needs of the corresponding radio environment, a tuning block 4 consisting of a capacitor board that is sometimes required for optimal device performance can be interleaved.
Por otra parte, el lector 3 conecta con un circuito de control 9 basado en microcontrolador, que presenta funciones tales como configurar el modo de lectura del lector 3, manejar los códigos captados por la antena 5 y actuar sobre un circuito de parada de emergencia 13 a través de una de sus salidas 11. Además este circuito de control 9 incluye en al menos una de sus entradas 10 un pulsador de rearme 12 que permite al operario u operarios 8 volver a poner en marcha la maquinaria en el caso de que haya actuado la parada automática de emergencia facilitada por el referido circuito de paro de emergencia 13. Además, se dispone de las ya mencionadas etiquetas 6, conocidas como tag o transponder, cuyos tamaños y formas pueden ser muy diversos según convenga, adaptándose a los operarios 8 mediante elementos de integración 7 tales como muñequeras, anillos, guantes u otros. Así, el lector 3 puede detectar la presencia de etiquetas 6 en zonas de riesgo, informando al circuito de control 9 para que actúe sobre el circuito de paro de emergencia 13, evitando posibles accidentes.On the other hand, the reader 3 connects with a microcontroller-based control circuit 9, which has functions such as configuring the reading mode of the reader 3, handling the codes captured by the antenna 5 and acting on an emergency stop circuit 13 through one of its outputs 11. In addition, this control circuit 9 includes at least one of its inputs 10 a reset button 12 that allows the operator or operators 8 to restart the machinery in the event that it has acted the automatic emergency stop provided by the aforementioned emergency stop circuit 13. In addition, the aforementioned labels 6, known as a tag or transponder, are available, whose sizes and shapes can be very different as appropriate, adapting to the operators 8 by Integration elements 7 such as wristbands, rings, gloves or others. Thus, the reader 3 can detect the presence of labels 6 in risk areas, informing the control circuit 9 to act on the emergency stop circuit 13, avoiding possible accidents.
Como caso más concreto, pero sin ser limitativo, se puede considerar una prensa hidráulica funcionando de forma automática y realizando un movimiento cíclico de prensado. En dicho caso, y suponiendo como zona de riesgo el área de prensado, se puede cubrir ésta con una antena rectangular acoplada a la máquina en forma de marco, y cuyo patrón de lectura englobe toda esa zona de peligro. Dicha antena se encontrará conectada al correspondiente lector RFID. A su vez, el funcionamiento de este lector se controla mediante el circuito de control basado en microcontrolador y que conecta con el circuito de paro de emergencia de la máquina, de manera que al actuar dicho circuito la prensa hidráulica retorne a una posición de seguridad. Si se considera necesario, se conecta entre el lector y la antena el bloque de sintonización.As a more concrete case, but without being limiting, a hydraulic press can be considered operating automatically and performing a cyclic pressing movement. In this case, and assuming the pressing area as a risk area, it can be covered with a rectangular antenna coupled to the machine in the form of a frame, and whose reading pattern encompasses the entire danger zone. This antenna is You will find connected to the corresponding RFID reader. In turn, the operation of this reader is controlled by the microcontroller-based control circuit that connects to the machine's emergency stop circuit, so that when said circuit acts, the hydraulic press returns to a safe position. If deemed necessary, the tuning block is connected between the reader and the antenna.
Suponiendo que en este caso más concreto son las manos del operario las partes susceptibles de sufrir algún tipo de riesgo, como puede ser un atrapamiento, un corte, etc., se integrarán las etiquetas en el operario mediante unas muñequeras. Así, el mecanismo mediante el cual el sistema realizará el paro de emergencia consistirá en la detección de al menos una de las etiquetas, lo cual sucederá cuando el operario acerque una de las manos a la zona de riesgo y la máquina se encuentre funcionando. En esta situación, una acción de seguridad consistirá en hacer que la prensa hidráulica retorne a una posición de seguridad. Además, una entrada del circuito de control dispondrá de un pulsador accesible al operario que facilite el rearme del dispositivo en caso de que haya actuado, con lo que la máquina, es decir, en este caso la prensa hidráulica, podrá seguir con su tarea cíclica, volviendo a producirse el correspondiente paro si se vuelve a detectar la presencia de una de las etiquetas en la zona de peligro.Assuming that in this case, the operator's hands are the parts that are likely to suffer some kind of risk, such as a trap, a cut, etc., the labels will be integrated into the operator by means of wrist straps. Thus, the mechanism by which the system will perform the emergency stop will consist of the detection of at least one of the labels, which will happen when the operator approaches one of the hands to the risk zone and the machine is running. In this situation, a safety action will consist of making the hydraulic press return to a safety position. In addition, an input of the control circuit will have a button accessible to the operator that facilitates the rearmament of the device in case it has acted, so that the machine, that is, in this case the hydraulic press, can continue with its cyclic task , the corresponding stopping occurs again if the presence of one of the labels in the danger zone is detected again.
No obstante, las aplicaciones posibles de la invención son muy numerosas, según se desprende de la estructura descrita primeramente del método y dispositivo correspondientes. However, the possible applications of the invention are very numerous, as follows from the structure described first of the corresponding method and device.

Claims

REIVINDICACIONES
1.- MÉTODO DE SEGURIDAD INDUSTRIAL, aplicable en industrias con maquinarias que presentan situaciones de peligro para sus operarios (8) ; caracterizado porque incluye : colocación de etiquetas (6) con códigos legibles por radiofrecuencia en esos operarios (8) ; detección mediante tecnología de identificación por radiofrecuencia (RFID, Radio Frequency Identification) de la ubicación espacial de esas etiquetas (6) mediante antena/s en todo tiempo de funcionamiento de esas maquinarias; y parada automática de emergencia, o acción adecuada definida, de dichas maquinarias en las ocasiones en las que se considera que esa ubicación espacial de las etiquetas (6) entraña peligro para uno o más de esos operarios .1.- INDUSTRIAL SAFETY METHOD, applicable in machinery industries that present dangerous situations for their operators (8); characterized in that it includes: placement of labels (6) with radiofrequency readable codes in these operators (8); detection by radio frequency identification technology (RFID) of the spatial location of these labels (6) by antenna / s at all time of operation of those machinery; and automatic emergency stop, or adequate defined action, of said machinery on the occasions when it is considered that this spatial location of the labels (6) poses a danger to one or more of these operators.
2.- DISPOSITIVO DE SEGURIDAD INDUSTRIAL, correspondiente al método de la reivindicación 1, caracterizado porque cuenta con al menos un lector RFID2.- INDUSTRIAL SAFETY DEVICE, corresponding to the method of claim 1, characterized in that it has at least one RFID reader
(Radio Frequency Identification) (3) provisto al menos de un módulo de control (1) y de un módulo de radiofrecuencia(Radio Frequency Identification) (3) provided with at least one control module (1) and one radiofrequency module
(2) , y conectado con al menos una antena (5) a través de un bloque opcional de sintonización (4) , conectando además dicho lector (3) con un circuito de control (9) basado en un microcontrolador que dispone de unas entradas (10) entre las que al menos se incluye una para un pulsador de rearme(2), and connected with at least one antenna (5) through an optional tuning block (4), also connecting said reader (3) with a control circuit (9) based on a microcontroller that has inputs (10) among which at least one is included for a reset button
(12) , y de unas salidas (11) entre las que al menos se incluye una para un circuito de paro de emergencia (13) de la maquinaria de la correspondiente industria; disponiéndose en los operarios (8) de dicha maquinaria, mediante elementos de integración (7) tales como muñequeras o anillos, unas etiquetas con códigos (6) (llamadas tag o transponder) cuya ubicación espacial es detectada por el lector (3) para que el circuito de control (9) ordene el paro de emergencia, o acción adecuada, en situaciones de peligro paira los operarios (8) . (12), and outlets (11) among which at least one is included for an emergency stop circuit (13) of the machinery of the corresponding industry; provided in the operators (8) of said machinery, by means of integration elements (7) such as wristbands or rings, labels with codes (6) (called tag or transponder) whose spatial location is detected by the reader (3) so that the control circuit (9) order the emergency stop, or appropriate action, in situations of danger for operators (8).
PCT/ES2008/000645 2007-10-16 2008-10-16 Method and device for industrial security WO2009050316A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200702707A ES2319066B1 (en) 2007-10-16 2007-10-16 METHOD AND INDUSTRIAL SAFETY DEVICE.
ESP200702707 2007-10-16

Publications (1)

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WO2009050316A1 true WO2009050316A1 (en) 2009-04-23

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WO (1) WO2009050316A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492332A (en) * 2011-06-27 2013-01-02 Jonathan Guest Safety system having detectors to detect any transponders within a detection zone, and restrict an apparatus in response to detection of a transponder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004231160A1 (en) * 2001-11-29 2004-12-16 Pemaco Pty Ltd A material processing machine
US20070205861A1 (en) * 2006-02-23 2007-09-06 Rockwell Automation Technologies, Inc. RFID/biometric area protection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004231160A1 (en) * 2001-11-29 2004-12-16 Pemaco Pty Ltd A material processing machine
US20070205861A1 (en) * 2006-02-23 2007-09-06 Rockwell Automation Technologies, Inc. RFID/biometric area protection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492332A (en) * 2011-06-27 2013-01-02 Jonathan Guest Safety system having detectors to detect any transponders within a detection zone, and restrict an apparatus in response to detection of a transponder

Also Published As

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ES2319066B1 (en) 2010-02-03

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