EP1469154A2 - Dispositif de sécurité électronique pour barrières automatiques - Google Patents

Dispositif de sécurité électronique pour barrières automatiques Download PDF

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Publication number
EP1469154A2
EP1469154A2 EP04076283A EP04076283A EP1469154A2 EP 1469154 A2 EP1469154 A2 EP 1469154A2 EP 04076283 A EP04076283 A EP 04076283A EP 04076283 A EP04076283 A EP 04076283A EP 1469154 A2 EP1469154 A2 EP 1469154A2
Authority
EP
European Patent Office
Prior art keywords
edge
gate
signal
irregularity
cable
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.)
Granted
Application number
EP04076283A
Other languages
German (de)
English (en)
Other versions
EP1469154A3 (fr
EP1469154B1 (fr
Inventor
Pasquale Fabio Digirolamo
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.)
Dfm Automazione Snc Di Digirolamo P Fabio E Digirolamo Massimo
Original Assignee
Dfm Automazione Snc Di Digirolamo P Fabio E Digirolamo Massimo
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 Dfm Automazione Snc Di Digirolamo P Fabio E Digirolamo Massimo filed Critical Dfm Automazione Snc Di Digirolamo P Fabio E Digirolamo Massimo
Publication of EP1469154A2 publication Critical patent/EP1469154A2/fr
Publication of EP1469154A3 publication Critical patent/EP1469154A3/fr
Application granted granted Critical
Publication of EP1469154B1 publication Critical patent/EP1469154B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/44—Detection using safety edges responsive to changes in electrical conductivity
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/48—Detection using safety edges by transmission of mechanical forces, e.g. rigid or movable members
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F2015/487—Fault detection of safety edges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/50—Fault detection
    • E05Y2400/502—Fault detection of components
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/80—User interfaces
    • E05Y2400/81—Feedback to user, e.g. tactile
    • E05Y2400/818—Visual
    • E05Y2400/822—Light emitters, e.g. light emitting diodes [LED]
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/40—Application of doors, windows, wings or fittings thereof for gates

Definitions

  • the present invention refers to an electronic safety device for a mobile element, for example for edges of automatic gates or garage shutters, etc.
  • the present invention concerns an electronic safety device for automatic barriers provided with a mechanism sensitive to obstacles which the barrier may meet during an opening or closing operation.
  • the automatic gates of access to private areas are operated by the users from fixed positions, through opening or closing buttons or keys or else by distance remote control means, which send an impulse via radio to an electronic switchboard, which then operates the barrier in the desired direction.
  • the subsequent closing occurs through the user's forwarding of a new command, or else it occurs automatically after a certain, predetermined time period.
  • the movement of the structure may not be automatically interrupted at the moment of impact with potential users or other objects with projecting portions of the above-mentioned structures, if not by manually interrupting the feeding of the system in the time period subsequent to that of actual necessity.
  • edges of an automatic gate are sections fastened on the gate on its end portions, in particular positioned in correspondence with the most dangerous edges.
  • two edges may be present, one per shutter, arranged vertically on the shutter's vertical sides, which join together when the gate is closed.
  • Edges of automatic gates are known, provided with an obstacle sensor made in rubber sections.
  • such edge consists of two insulated, parallel layers of conductive rubber, within which an electric wire with current running through it is inserted.
  • the current which flows in such zone is driven by an electronic unit. Executing a mechanical pressure on the rubber outer edge, from any direction within 180 degrees, an electrical contact is created which induces the electronic unit to intervene, blocking the gate movement.
  • edges having a wire impact sensor are composed by a sustaining section in aluminium, with a rubber section inserted in which the obstacle detection system has been positioned, composed by a taut steel wire and connected to an equaliser which operates on two microswitches.
  • a pressure on each wire provokes the change of state of at least one of the two microswitches, which interrupts an enabled electronic switchboard, which blocks the gate movement.
  • the Applicant has observed that an irregularity of operation of the impact sensors is not detected by systems of the known art, since in case of irregularity no signal is sent to the gate operation control unit.
  • the Applicant has posed the problem of rendering more secure the safety device supplied to barriers provided with a mechanism sensitive to obstacles which the barrier may meet.
  • an electronic safety device for automatic barriers capable of detecting, in addition to possible impacts of the barrier with objects or people, also irregularities of operation of the obstacle-sensitive mechanism, such as for example a short-circuit of a connection cable between said sensitive mechanism and the control unit which determines the constant disenabling of barrier function.
  • Such device may be advantageously associated with devices adapted to detect an intrusion or interference, such as anti-theft and safety devices in general.
  • One aspect of the present invention concerns a safety device for automatic barriers comprising an obstacle-sensitive mechanism connected via cable to a control unit of said barrier, said mechanism being adapted to send, through said cable, a detection signal of barrier contact with an object, characterised in that said device comprises an electronic board provided with at least one input gate to which said cable carrying the detection signal is connected, at least one output gate adapted to send a block to said control unit, at least one module inserted between said input gate and said output gate adapted to detect a barrier operation irregularity and to send through said output gate a block signal.
  • a safety device 1 is associated with a barrier, which in the figure example is an automatic gate provided with at least one edge for the gate shutters and with a central control unit of the gate itself.
  • first edge 2 and a second edge 3
  • each edge for example being associated with a shutter of a two-shutter sliding gate.
  • Each edge comprises at least one mechanism sensitive to obstacles which the edge may meet during a gate opening or closing operation.
  • Such mechanism is for example a steel wire sensor connected to a microswitch.
  • the present invention is equivalently applicable to edges provided with an obstacle-sensitive mechanism which sends a signal via cable to the gate control unit in case of impact with an obstacle.
  • an obstacle-sensitive mechanism which sends a signal via cable to the gate control unit in case of impact with an obstacle.
  • such sensitive mechanisms are schematically shown with reference numbers 21 and 31 on respective edges 2 and 3.
  • the mechanisms 21 and 31 are connected to the safety device 1, object of the present invention, by way of respective electric cables 211 and 311.
  • FIG 2 a principle diagram of the device according to the present invention is illustrated which comprises a plurality of modules arranged along an electronic board, having the same characteristics, in which each module monitors one edge.
  • four modules 11, 12, 13, and 14 are represented, in which a first module 11 and a second module 12 are respectively connected to the cable 211 from the first edge 2 and to the cable 311 from the second edge 3.
  • the electronic safety device 1 comprises at least one module which may be connected to an edge.
  • the number of modules may be increased as necessary according to the number of edges present in a gate. Alternatively, if the number of the edges is considerable, more safety devices may be arranged in series (for example, if the gate has 8 edges, two electronic boards may be present, each comprising four modules).
  • an input gate is provided for each module; in the example of figure 2 four input gates 15, 16, 17 and 18 are illustrated.
  • Said board comprises, furthermore, at least one output gate 20 connected with a command group 4 comprising at least one relay whose output is connected to a control unit 5 of the mechanisms of the entire automatic gate.
  • first relay 41 and a second relay 42 are respectively illustrated, each respectively associated with two modules.
  • Each module 11 or 12 or 13 or 14, inserted between said input gate and said output gate, is adapted to detect an operation irregularity of the edge, for example a short-circuit of said cable, and is adapted to appropriately signal said irregularity for example through a pilot light 111 or 121 or 131 or 141 (normally lit in conditions of correct operation), and send through said output port a block signal for the relay group 4, which in turn determines, through the control unit, the stop of the gate movement.
  • the device comprises, furthermore, two alarm circuits 19, provided with an alarm pilot light 191, connected to all device modules and a supply group 21 for all electrical components of the board.
  • the first module 11 is illustrated in detail; the diagrams of subsequent modules 12, 13 and 14 are analogous and therefore their illustration has been omitted.
  • the module 11 comprises a voltage divider including an edge resistor Rc arranged in series with the sensitive mechanism of the edge itself and a resistor R16 connected to supply line Vcc.
  • the two resistors of the divider have substantially the same value and are adapted to generate a constant voltage across the divider. A possible irregularity on the edge or on the cable of the edge will alter the equilibrium on the divider, generating a different voltage across it from that of normal operation.
  • the module comprises, furthermore, a ground, short-circuit capacitor C5 for high-frequency voltages which may disrupt the efficiency of the device.
  • a piloting circuit 110 Downstream from such divider a piloting circuit 110 is present with a pilot light of correct operation 111, preferably formed by a couple of transistors Tr7 and Tr8 controlled by said divider, said transistors being normally in connected-supply conduction.
  • the conducting transistors allow the pilot light, for example an LED diode, to remain on during correct operation.
  • a possible imbalance of the voltage of the divider due to an irregularity on the monitored edge determines the cutoff of one of the two transistors, determining the switching off of the pilot light of correct operation.
  • the module comprises, moreover, downstream from said piloting circuit, an electronic insulator 112, formed by a LED diode coupled with a photodiode which electrically separates the piloting circuit from electrical components downstream, and an anti-reversal circuit 113.
  • the module output has a signal indicative of the correct operation of the edge, or signals an irregularity.
  • the alarm circuit 19 receives at its input the output signals of the various modules.
  • several alarm circuits may be present, each connected for example to two modules, or, in an equivalent manner, a single alarm circuit connected to all modules.
  • the alarm circuit preferably comprises a piloting circuit 190, including a transistor Tr1 and a capacitor C3, which allow the alarm pilot light 191 to ) brighten intermittently due to its intrinsic characteristics when one of the modules sends an irregular signal to the circuit itself.
  • a piloting circuit 190 including a transistor Tr1 and a capacitor C3, which allow the alarm pilot light 191 to ) brighten intermittently due to its intrinsic characteristics when one of the modules sends an irregular signal to the circuit itself.
  • the electronic board of the device, object of the present invention furthermore comprises the supply circuit 21, which receives electrical energy from the outside, for example from the control unit of the gate, and provides a stabilised supply Vcc to the board.
  • the supply circuit is provided with a fuse 211 and an LED diode 210 arranged parallel to each other, such that possible breaking of the fuse is signalled in a luminous manner. Furthermore, the circuit comprises a voltage stabiliser 212 at whose output the stabilised voltage Vcc is drawn for the electronic board of the electronic safety device according to the invention.
  • the safety device according to the present invention in case of noticeable irregularities from additional safety circuits present on the barrier, does not prevent the extension of a block signal sent by said circuits to the control unit. Furthermore, in case of possible failure, which may occur on the electronic board, the safety device according to the present invention blocks the operation of the mobile element to which it is associated.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Emergency Alarm Devices (AREA)
  • Burglar Alarm Systems (AREA)
EP04076283A 2003-04-14 2004-04-13 Dispositif de sécurité électronique pour barrières automatiques Expired - Lifetime EP1469154B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000771A ITMI20030771A1 (it) 2003-04-14 2003-04-14 Dispositivo elettronico di sicurezza per barriere automatiche.
ITMI20030771 2003-04-14

Publications (3)

Publication Number Publication Date
EP1469154A2 true EP1469154A2 (fr) 2004-10-20
EP1469154A3 EP1469154A3 (fr) 2010-06-16
EP1469154B1 EP1469154B1 (fr) 2012-09-19

Family

ID=32894168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04076283A Expired - Lifetime EP1469154B1 (fr) 2003-04-14 2004-04-13 Dispositif de sécurité électronique pour barrières automatiques

Country Status (4)

Country Link
EP (1) EP1469154B1 (fr)
ES (1) ES2397575T3 (fr)
IT (1) ITMI20030771A1 (fr)
PT (1) PT1469154E (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646459A1 (fr) * 1989-04-28 1990-11-02 Roken Kk Systeme motorise de commande d'ouverture/fermeture de fenetre ou de porte
EP0497692A2 (fr) * 1991-02-01 1992-08-05 Gmi Holdings Inc Détecteur d'erreurs de câblage pour un actionneur de porte
US6181095B1 (en) * 1997-06-30 2001-01-30 Kds Controls, Inc. Garage door opener

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646459A1 (fr) * 1989-04-28 1990-11-02 Roken Kk Systeme motorise de commande d'ouverture/fermeture de fenetre ou de porte
EP0497692A2 (fr) * 1991-02-01 1992-08-05 Gmi Holdings Inc Détecteur d'erreurs de câblage pour un actionneur de porte
US6181095B1 (en) * 1997-06-30 2001-01-30 Kds Controls, Inc. Garage door opener

Also Published As

Publication number Publication date
ES2397575T3 (es) 2013-03-08
ITMI20030771A1 (it) 2004-10-15
EP1469154A3 (fr) 2010-06-16
PT1469154E (pt) 2013-01-23
EP1469154B1 (fr) 2012-09-19

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