EP3380688A1 - Système de déverrouillage électrique - Google Patents

Système de déverrouillage électrique

Info

Publication number
EP3380688A1
EP3380688A1 EP15800849.0A EP15800849A EP3380688A1 EP 3380688 A1 EP3380688 A1 EP 3380688A1 EP 15800849 A EP15800849 A EP 15800849A EP 3380688 A1 EP3380688 A1 EP 3380688A1
Authority
EP
European Patent Office
Prior art keywords
striker
latch
locking lever
unlocking
electric circuit
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
EP15800849.0A
Other languages
German (de)
English (en)
Other versions
EP3380688B1 (fr
Inventor
Pablo IBÁÑEZ ROIG
Juan González Sisternas
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.)
Montajes Electronicos Dorcas SL
Original Assignee
Montajes Electronicos Dorcas SL
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 Montajes Electronicos Dorcas SL filed Critical Montajes Electronicos Dorcas SL
Publication of EP3380688A1 publication Critical patent/EP3380688A1/fr
Application granted granted Critical
Publication of EP3380688B1 publication Critical patent/EP3380688B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • E05B47/0047—Striker rotating about an axis parallel to the wing edge
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0072—Operation
    • E05B2047/0073—Current to unlock only

Definitions

  • the present disclosure relates to electric unlocking systems for unlocking doors, windows and the like.
  • the present disclosure also relates to access assemblies comprising such electric locking systems.
  • Doors, windows and similar access structures are usually equipped with electric unlocking systems to unlock a latch associated therewith from a remote location or in a location near the access structure.
  • Known unlocking systems usually comprise a housing intended to be mounted into a frame or fixed structure. Said housing has an opening for receiving a part of a movable structure, such as a deadbolt or a dead lock member of door or window leaf which can be locked in position by the latch.
  • Such unlocking systems further include an electrically operated striker for unlocking the latch to release the door or window leaf.
  • AC powered unlocking systems are adversely affected by a number of circumstances such as annoying noise, high power consumption and risk of burning.
  • DC powered unlocking systems are increasingly used for unlocking doors, windows and similar access structures. This is due to the increasing number of devices and services that are usually linked to the unlocking systems, for example safety systems such as surveillance cameras, video intercom systems, etc., which share the same DC power supply.
  • DC powered unlocking systems have advantages over AC powered unlocking systems relating to lower consumption, lower noise in use and no risk of burning of the system even if power is supplied during a long period of time continuously.
  • motor means for driving an eccentric mass which, when rotated, causes an actuator to vibrate, oscillate, etc. so as to unlock a latch for releasing a door leaf.
  • the present unlocking system is intended to be fitted in a fixed part, such as a frame, for releasing a movable part, such as the leaf of the above mentioned door, window, gate, fence or similar structure, hinged to said fixed part.
  • the movable part may be locked to the fixed part through a deadbolt or a dead lock element.
  • a deadbolt is a spring biased element arranged protruding outwards the movable part, e.g. a door leaf, and it is adapted to be received into a cavity formed in the fixed part, e.g. the frame.
  • the present electric unlocking system comprises a first pivotable locking lever biased by a spring, a second pivotable locking lever, a striker and a latch.
  • a latch is a device suitable for keeping said access structure closed by locking the deadbolt associated therewith.
  • striker driving means are provided which may for example comprise a solenoid. Other different striker driving means are of course not ruled out.
  • a DC electric circuit including a DC power supply is also provided.
  • the use of a simple DC circuit is preferred covering a wide range of operation such as of the order of 1 -50 VDC.
  • Control means are further provided suitable for causing the striker driving means to be repeatedly connected and disconnected as the electric circuit closes and opens causing the striker to move back and forth to unlock the latch.
  • the back and forth movement of the striker causes the first pivotable locking lever to be repeatedly struck at a given frequency until it is disengaged from the second pivotable locking lever causing the latch to freely move such that the deadbolt can be released and the door, window or the like can be opened.
  • the control means operate such that the striker is actuated as long as current is supplied until the user stops operating the unlocking system.
  • the present unlocking system is capable to open a door, a window or the like even in circumstances when an external pressure is exerted on the door or window leaf.
  • the striker In use, the striker is moved by the striker driving means against first elastic means.
  • the first elastic means are intended to urge the striker towards a position in which the electric circuit is closed, that is with no power supplied to the striker driving means.
  • the first elastic means may for example comprise a compression spring.
  • Other elastic means may be also possible.
  • the control means may be of a nature involving no physical contact with parts. Specifically, in this example of the control means, they may include a striker sensor tip that is associated with the striker such as for example attached or coupled thereto or being formed integral therewith.
  • the striker sensor tip may be any element suitable for repeatedly connecting and disconnecting the striker driving means.
  • the striker sensor tip may comprise a spring. Other configurations for the striker sensor tip are possible.
  • the control means in this example also includes a striker sensor device.
  • the striker sensor device may include for example an optical sensor or any other sensor element suitable for cooperating with the striker sensor tip for repeatedly connecting and disconnecting the striker driving means depending on the relative position of the striker sensor tip and the striker sensor device.
  • the striker sensor tip may be positioned inserted without contact into the striker sensor device. This is detected by the striker sensor device which causes the striker to move in a reverse direction such that the striker sensor tip comes out of the striker sensor device
  • the control means may be of a mechanical nature, involving physical contact with parts.
  • they may include second elastic means.
  • the second elastic means are arranged such that the striker is mounted between the above first elastic means and this second elastic means.
  • the second elastic means may likewise comprise a spring.
  • the second elastic means are configured for temporarily contacting the striker, opening and closing the electric circuit, causing the striker driving means to be connected and disconnected repeatedly.
  • a connecting member may be provided attached to the second elastic means for temporarily contacting the striker opening and closing the electric circuit.
  • the control means in both examples are adapted for opening and closing the electric circuit, thus energizing and de-energizing the striker, according to the relative position of the striker inside a housing which will be described further below.
  • the system may include a device configured to stop to repeatedly connect and disconnect the striker driving means upon detection of an unlocked condition of the latch.
  • An unlocked condition of the latch refers herein to a condition in which the latch is allowed to move such that the door or window deadbolt can be released and consequently such that the door or window leaf can be released and can be opened.
  • Said device may for example include a lock condition sensor such as an optical sensor, a micro-switch or similar sensing device. If required, the lock condition sensor may be also capable of warning that the door or window is open.
  • the lock condition sensor is configured such that when the latch has been detected to be in said latch unlocked condition, repeated connection and disconnection of the striker driving means is stopped or disabled. When the latch still has not been unlocked, the striker continues with its back and forth movement.
  • the DC power supply may stop energizing the striker, such that, as stated above, the striker is only energized as long as it is required. However, it is preferred that the DC power supply continuously energizes the striker until the user stops operating the unlocking system.
  • a main housing may be provided for receiving therein at least the striker and also the striker driving means, if required.
  • Other parts may be also received therein such as electric components, elastic means, etc.
  • the striker may be connected to the electric circuit such that the electric circuit is closed as the striker is contacted by the above mentioned striker sensor device.
  • a secondary housing may be also provided if required.
  • the secondary housing is intended for at least partially receiving the second elastic means and the above mentioned connecting member if provided. If a connecting member is provided, the second elastic means could be fixed to the
  • a compact, effective and noiseless unlocking system is provided.
  • the present unlocking system combines the advantages of DC-driven mechanisms with those of AC-driven mechanisms reducing their drawbacks and providing additional advantages.
  • the present disclosure further relates to an access assembly such as a door, window, gate, fence or the like, comprising a frame structure or fixed part, an access leaf movably mounted thereto, and the above described electric locking system for releasing the access leaf from the frame structure.
  • an access assembly such as a door, window, gate, fence or the like, comprising a frame structure or fixed part, an access leaf movably mounted thereto, and the above described electric locking system for releasing the access leaf from the frame structure.
  • Figure 1 is a perspective view of a general example of the electric unlocking system
  • Figure 2 is a top sectional view of the electric unlocking system shown in figure 1 ;
  • Figures 3-5 are cross sectional views of a first example of the present electric unlocking system showing the striker in different positions along the main housing;
  • Figures 6-7 are cross sectional views of a second example of the present electric unlocking system showing the striker in different positions along the main housing; and Figures 8 and 9 are cross sectional views showing the connecting member in different positions along the secondary housing.
  • the electric unlocking system shown in the drawings has been indicated as a whole by reference numeral 100.
  • the unlocking system 100 is intended for releasing structures for access control purposes such as doors, windows, gates, fences and the like.
  • FIG 2 diagrammatically shows one example of an access structure to which the unlocking system 100 can be applied.
  • the access structure in this example is a door assembly comprising a frame 3000 and at least one leaf 2000 hinged thereto.
  • the unlocking system 100 is intended to be fitted in the fixed frame 3000.
  • a deadbolt or dead lock element 2500 is associated with the door leaf 2000.
  • the door deadbolt 2500 is a spring biased element arranged protruding outwards from one edge of the door leaf 2000.
  • the door deadbolt 2500 is adapted to be received into a cavity when the door leaf 2000 is locked. Such cavity is formed in the unlocking system 100 and it is closed by a pivotable latch 200.
  • the latch 200 is thus intended to lock the door leaf 2000 in the frame 3000.
  • the unlocking system 100 comprises a first pivotable locking lever 150, a second pivotable locking lever 160, the above mentioned latch 200, and a striker 300.
  • the first pivotable locking lever 150 is pivotable around a first axis of rotation 155 against a spring 250.
  • the second pivotable locking lever 160 is pivotable around a second axis of rotation 165.
  • a spring (not shown) can be provided to slightly urge the second pivotable locking lever 160 to its locking position, engaged to the first pivotable locking lever 150. It is preferred that the spring rate of the spring that is associated with the second pivotable locking lever 160 is stiffer than that of the spring 250.
  • the first pivotable locking lever 150 engages the second pivotable locking lever 160 such that the latter is not allowed to be rotated around the second axis of rotation 165.
  • the latch 200 in locked in position such that the deadbolt 2500 can not be released therefrom and the door leaf 2000 can not be opened.
  • the striker 300 consists of an elongated body having a striker head 310.
  • the elongated body of the striker 300 is capable of sliding inside a main housing 400 with the striker head 310 passing through a hole formed in a main housing plug 410, as shown in figures 3-7 of the drawings, such that the main housing plug 410 acts as a guide means for the striker 300.
  • striker driving means which, in the non-limiting examples shown in the drawings, consist of a solenoid 500 that is connected to a direct current (DC) power supply included in an electric circuit 600 through power cables 610.
  • DC direct current
  • the solenoid 500 When the solenoid 500 is energized through the electrical excitation by the DC power supply, an electromagnetic field is created to drive the striker 300 to the right- hand side of the figures, causing the striker head 310 to strike the first pivotable locking lever 150 against spring 250.
  • Striking of the first pivotable locking lever 150 by the striker 300 causes the former to be rotated around the first axis of rotation 155 (counterclockwise in figures 1 -2) such that the stepped free end 156 of the first pivotable locking lever 150 is disengaged from the corresponding free end 166 of the second pivotable locking lever 160.
  • This results in that the second pivotable locking lever 160 is free to rotate around the second axis of rotation 165 leaving the latch 200 free to pivot around a third axis of rotation 220.
  • the door deadbolt 2500 can be thus released from the latch 200 such that the door leaf 2000 can be then opened.
  • the main housing 400 is adapted for receiving at least the striker 300 and the solenoid 500 therein.
  • the main housing 400 is provided with an electrically conductive element 1400 that may be electrically connected to the electric circuit 600 as well as the striker 300 and the above mentioned housing plug 410.
  • the main housing plug 410, together with the striker 300 and, in some examples, the electrically conductive element 1400, are part of the DC electric circuit 600 such that when the striker 300 reaches a given position the electric circuit 600 is closed
  • First elastic means 700 in the form of a compression spring are provided to urge the striker 300 towards a position in which the DC electric circuit 600 is closed, that is, towards left hand side of the figures.
  • Control means 800, 900 are provided for repeatedly connecting and disconnecting the solenoid 500 which will be described further below.
  • control means 800, 900 operate in a way that as the striker 300 moves inside the main housing 400, the DC power supply in the electric circuit 600 closes and opens causing the connection and
  • the back and forth movement of the striker 300 results in an increased possibility of disengaging the first pivotable locking lever 150 from the second pivotable locking lever 160 and therefore unlocking the latch 200 such that the door leaf 2500 can be moved relative to the frame 3000 as it will be fully described below.
  • the present DC powered system thus works like an AC powered unlocking system.
  • control means comprise a striker sensor tip 800 and a striker sensor device 900.
  • the striker sensor tip 800 is attached to or is formed integral with one end of the striker 300, protruding therefrom.
  • the striker sensor tip 800 may be, for example, a spring arranged to provide a predetermined delay for repeatedly connecting and disconnecting the solenoid 500.
  • the striker sensor tip 800 is capable of being inserted, without contact, into said striker sensor device 900 that are provided fixed inside the main housing 400 of the system 100, attached thereto or formed integral therewith.
  • the striker sensor device 900 comprises a second elastic means 1000, a connecting member 1 100, a cylindrical pin 1 1 10, a contact head 1 120 and a secondary housing 1300 that will be described further below.
  • the striker sensor device 900 is connected to the DC power supply of the electric circuit 600 through internal circuit cables 620.
  • the unlocking system 100 When the user wants to open the door leaf 2000, the unlocking system 100 is operated such that the solenoid 500 is energized by the DC power supply causing a magnetic field to be created that displaces the striker 300 to the right hand side of the figures, that is, such that the striker sensor tip 800 moves away from the striker sensor device 900, compressing the first elastic means 700.
  • the DC electric circuit 600 opens causing the magnetic field of the solenoid 500 to disappear.
  • the striker 300 Due to the inertia of the striker 300, the striker 300 continues moving to the right hand side of the figures against the compression spring 700 striking the first pivotable locking lever 150. Striking of the first pivotable locking lever 150 by the striker 300 causes the first pivotable locking lever 150 to be rotated around the first axis of rotation 155.
  • the striker 300 moves back in an opposite direction, to the left hand side of the figures, by means of the spring action of the compression spring 700 as the DC power supply is disconnected.
  • the striker sensor tip 800 is then inserted into the striker sensor device 900 contactlessly and detected therein by the latter. This causes closing of the DC electric circuit 600 such that the solenoid 500 is energized again and the striker 300 is moved again to the right hand side of the figures against the compression spring 700 striking the first pivotable locking lever 150 as described above.
  • control means of a mechanical nature may include a micro-switch.
  • the striker 300 is actuated according to a back and forth movement inside the main housing 400 as if it has been driven by an AC power supply.
  • a lock condition sensing device 1200 is provided to stop to repeatedly connect and disconnect the solenoid 500 when an unlocked condition of the first pivotable locking lever
  • the solenoid 500 has ceased to be repeatedly connected and disconnected in which case the striker 300 may be either de-energized or it may be still continuously energized until the user stops operating the unlocking system 100.
  • the lock condition sensing device 1200 includes a sensor connected to the DC power supply of the electric circuit 600 through secondary cables 630.
  • the lock condition sensor may be for example an optical sensor provided in a rear portion of the first pivotable locking lever 150, as shown in figures 3-5, capable of determining an unlocking condition thereof.
  • the lock condition sensor may be any other sensor suitable for detecting a door or window leaf unlocked condition to stop repeatedly connecting and disconnecting the solenoid 500 when said unlocked condition has been detected. Specifically the lock condition sensor acts such that as the position of the first pivotable locking lever 150 is detected to be still locked, the striker 300 continues its back and forth movement against it with the solenoid 500 supplied by the DC power supply of the electric circuit 600 continuously.
  • both the striker sensor device 900 and the lock condition sensing device 1200 might be embedded in a flexible carrier element, for example made of resin or similar.
  • a flexible carrier element is suitable for containing printed conductive tracks for proper electrical connection of elements therein.
  • the use of a flexible carrier element advantageously avoids the provision of internal circuit cables such that a space-saving design can be obtained.
  • control means comprise second elastic means 1000 which, in the example shown in figures 6-7, is a compression spring.
  • a secondary housing 1300 is provided for receiving the second elastic means 1000.
  • the striker 300 is mounted between the first elastic means 700 and the second elastic means 1000.
  • the second elastic means 1000 are part of the control means in this example, capable of opening and closing the DC electric circuit 600 connecting and disconnecting the solenoid 500 for driving the striker 300 according to a back and forth movement inside the housing 400.
  • a connecting member 1 100 is provided attached to the second elastic means 1000.
  • the connecting member 1 100 comprises a cylindrical pin 1 1 10 having a contact head 1 120 at one end thereof.
  • the striker 300 is moved back and forth inside the main housing 400 it temporarily contacts the said contact head 1 120 opening and closing the DC electric circuit 600.
  • the unlocking system 100 is operated such that the solenoid 500 is energized by the DC power supply causing a magnetic field to be created that displaces the striker 300 to the right hand side of the figures, that is, such that the striker 300 moves away from the connecting member 1 100, compressing the first elastic means 700.
  • the DC electric circuit 600 opens causing the magnetic field of the solenoid 500 to disappear. Due to the inertia of the striker 300, the striker 300 continues moving to the right hand side of the figures against the compression spring 700 striking the first pivotable locking lever 150. Striking of the first pivotable locking lever 150 by the striker 300 causes the first pivotable locking lever 150 to be rotated around the first axis of rotation 155. While the first pivotable locking lever 150 is not disengaged from the second pivotable locking lever 160, the striker 300 moves back in an opposite direction, to the left hand side of the figures, by means of the spring action of the compression spring 700 as the DC power supply is disconnected.
  • the striker 300 then moves towards the connecting member 1 100 until it contacts the contact head 1 120, as described above, closing of the DC electric circuit 600. Then, the solenoid 500 is energized again causing the striker 300 to be driven again away from the connecting member 1 100 to the right hand side of the figures against the compression spring 700 striking the first pivotable locking lever 150 as described above.
  • the striker 300 is actuated according to a back and forth movement inside the main housing 400 as if it has been driven by an AC power supply.
  • the present unlocking system 100 has been described to be fitted in a fixed part, such as a frame 3000, of a window, door, or the like to release a movable part, such as a window or door leaf 2000 that is locked thereto.
  • the present unlocking system 100 could be configured to be fitted in the movable part, such as the window or door leaf 2000 to be released from the fixed part, such as the frame 3000 of the window, door, etc.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un système de déverrouillage électrique pour déverrouiller une porte, une fenêtre ou analogue, comprenant un percuteur à ressort (300) pour déverrouiller un verrou (200), un moyen d'entraînement de percuteur (500), un circuit électrique de courant continu (600), et un moyen de commande (800, 900) pour amener le percuteur (300) à relier et détacher de manière répétée le moyen d'entraînement de percuteur (500) à mesure que le circuit électrique (600) se ferme et s'ouvre pour amener le percuteur (300) à avancer et reculer pour déverrouiller le verrou (200). Le moyen de commande peut comprendre un dispositif de capteur de percuteur (900) pour actionner le percuteur (300) en fonction de sa position relative à l'intérieur d'un boîtier (400).
EP15800849.0A 2015-11-25 2015-11-25 Système de déverrouillage électrique Active EP3380688B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/077687 WO2017088918A1 (fr) 2015-11-25 2015-11-25 Système de déverrouillage électrique

Publications (2)

Publication Number Publication Date
EP3380688A1 true EP3380688A1 (fr) 2018-10-03
EP3380688B1 EP3380688B1 (fr) 2020-05-06

Family

ID=54703998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15800849.0A Active EP3380688B1 (fr) 2015-11-25 2015-11-25 Système de déverrouillage électrique

Country Status (4)

Country Link
EP (1) EP3380688B1 (fr)
ES (1) ES2809454T3 (fr)
TW (1) TW201727028A (fr)
WO (1) WO2017088918A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3956515A1 (fr) * 2019-04-19 2022-02-23 Elettrotecnica Rold S.R.L. Dispositif de fermeture et d'ouverture d'un volet, en particulier d'un volet d'appareils électroménagers, tels que des machines à traiter le linge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1535919A (en) * 1923-12-17 1925-04-28 James W Irwin Door-release mechanism
FR2799224B1 (fr) * 1999-10-04 2003-05-23 Jean Marin Braun Gache electrique
DE10116571B4 (de) * 2001-04-03 2004-02-12 Ist Systems Gmbh Arbeitsstromtüröffner

Also Published As

Publication number Publication date
EP3380688B1 (fr) 2020-05-06
WO2017088918A1 (fr) 2017-06-01
ES2809454T3 (es) 2021-03-04
TW201727028A (zh) 2017-08-01

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