EP0254038B1 - Sicherheitseinrichtung für ein Türsystem - Google Patents

Sicherheitseinrichtung für ein Türsystem Download PDF

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Publication number
EP0254038B1
EP0254038B1 EP87108821A EP87108821A EP0254038B1 EP 0254038 B1 EP0254038 B1 EP 0254038B1 EP 87108821 A EP87108821 A EP 87108821A EP 87108821 A EP87108821 A EP 87108821A EP 0254038 B1 EP0254038 B1 EP 0254038B1
Authority
EP
European Patent Office
Prior art keywords
closing
door
force
servomotor
control motor
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.)
Expired - Lifetime
Application number
EP87108821A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0254038A3 (en
EP0254038A2 (de
Inventor
Horst Stöckermann
Hermann Böhm
Josef Gröber
Wolfgang David
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.)
AEG Schienenfahrzeuge Nahverkehr und Wagen GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
MAN GHH Schienenverkehrstechnik GmbH
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 Messerschmitt Bolkow Blohm AG, MAN GHH Schienenverkehrstechnik GmbH filed Critical Messerschmitt Bolkow Blohm AG
Priority to AT87108821T priority Critical patent/ATE61647T1/de
Publication of EP0254038A2 publication Critical patent/EP0254038A2/de
Publication of EP0254038A3 publication Critical patent/EP0254038A3/de
Application granted granted Critical
Publication of EP0254038B1 publication Critical patent/EP0254038B1/de
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
    • E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
    • 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
    • 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
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/56—Power-operated mechanisms for wings using fluid-pressure actuators for horizontally-sliding wings
    • E05F15/565—Power-operated mechanisms for wings using fluid-pressure actuators for horizontally-sliding wings for railway-cars
    • 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
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/31—Force or torque control
    • 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
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • 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
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • E05Y2400/54—Obstruction or resistance detection
    • E05Y2400/55—Obstruction or resistance detection by using load sensors
    • E05Y2400/552—Switches
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • 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
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

Definitions

  • the invention relates to a security device for a door system according to the preamble of patent claim 1.
  • Door systems of this type and in particular automatic sliding or pivoting sliding doors of rail vehicles, buses, etc., in which a pneumatic, long-stroke, piston-cylinder unit, which is usually directly connected to the door leaf, is used for reasons of a sufficiently high closing speed with a relatively high working pressure and develop correspondingly strong closing forces in the order of 1000 N when the door hits an obstacle.
  • the door controls of such door systems are therefore equipped with a reversing device including a closing force sensor which absorbs the driving force of the servomotor or a contact or pressure bar which extends over the closing edge of the door leaf, which responds when there is a greater clamping force effect and then an electrical, reversing the pneumatic drive Trigger the opening signal.
  • a closing force sensor which absorbs the driving force of the servomotor or a contact or pressure bar which extends over the closing edge of the door leaf, which responds when there is a greater clamping force effect and then an electrical, reversing the pneumatic drive Trigger the opening signal.
  • the safety valve is activated when the closing force sensor responds switched over to this directly coupled two-position touch valve and a pneumatic timer controlled by it for a predetermined period of time from the rest position releasing the pressure supply line to a venting position connecting the closing pressure side of the servomotor with a low-pressure accumulator, and thereby the driving force of the servomotor when it strikes Obstacle reduced.
  • Such a clamping force limitation with a time delay requires its own, pressure-controlled, low-pressure accumulator and an energy and construction-intensive control of the safety valve. Due to the relatively sluggish control behavior, there are also strong deviations of the effective drive or clamping force of the servomotor from the predetermined response value of the closing force sensor and, in the event of a prolonged impediment to the closing movement, a pulsating increase in the clamping force.
  • the object of the invention is to provide a safety device for a door system of the type mentioned, which works independently of a reversing device and is designed so that the closing force of the servomotor quickly, regardless of the state of motion of the door in a simple, reliable manner while maintaining a high closing speed and is adjusted to a permissible maximum value with great accuracy.
  • the safety device according to the invention which is assigned to the servomotor in the manner of an internal one Closing force control circuit works, even with a high working pressure in the supply line, as is required for a large amount of compressed air to the closing pressure side and a correspondingly high closing speed of the servomotor, ensures that the closing force of the servomotor during the entire closing process to a maximum value that can be set on the sensor is adjusted, regardless of whether a reversing device is now available and responds to an obstacle or not.
  • the closing force limitation according to the invention for which only a few, simple and reliable components are required, is extremely insusceptible to faults and works without external energy and with high accuracy and response speed, because the control valve is actuated directly in dependence on the driving force of the servomotor and in its central position, So if the closing force is at the set maximum value, the pressure supply line is initially shut off and in the venting position, i.e.
  • the safety device not only minimizes the risk of injury, but in the event of a pinch, even weaker people can free themselves by pushing on the door leaf without great effort, namely by a counterforce that is also limited to the permitted maximum value opposite to the closing direction.
  • the maximum clamping force value was in a practical application of the invention in the order of 100 N.
  • the closing force sensor is designed as a simple spring element which absorbs the reaction force of the servomotor which acts on the support on the door frame side and is of the same size in the opposite direction to the closing force, which has the advantage that the safety device does not require any parts moving with the door leaf will.
  • the rocker characterized in claim 4 is expediently assigned to the servomotor, the control valve and the spring element .
  • the stop according to claim 5 ensures that the driving force of the servomotor is only released during the closing process, but not when the door is opened, via the spring element or the closing force sensor.
  • the safety device according to the invention is preferably combined with an automatic door system which, as the servomotor, has a pneumatic long-stroke piston-cylinder unit which is effective both in the closing and in the opening direction and whose piston rod directly connected to the door leaf and its cylinder is supported on the door frame side via the closing force sensor or the rocker interacting with the spring element.
  • the automatic door system shown in the figures contains, as the servomotor, a double-acting, pneumatic long-stroke piston-cylinder unit 2, the piston rod 4 of which is connected directly to the sliding door leaf 6, which is actuated by the servomotor 2 in the direction of arrow P on the door jamb or Move door frame 8 and open in the opposite direction.
  • the closing edge 10 of the door leaf 6 can be designed as a contact or pressure bar of a reversing device which is of no interest here and therefore not described further.
  • the control of the servomotor 2 is carried out by a door control 12, which is connected to a compressed air line 14 from z. B. 5 bar connected and connected via a closing air supply line 16 to the piston rod-side closing pressure chamber 18 and via an air supply line 20 to the cylinder chamber 22 pressurized when the door leaf 6 is opened.
  • a door control 12 which is connected to a compressed air line 14 from z. B. 5 bar connected and connected via a closing air supply line 16 to the piston rod-side closing pressure chamber 18 and via an air supply line 20 to the cylinder chamber 22 pressurized when the door leaf 6 is opened.
  • changeover valves 24 and 26 respectively, which vent the assigned cylinder chamber 18 or 22 to the outside as soon as this and the assigned supply line have reached the depressurized state, the free connection of the cylinder chamber 18 and 22 block outwards, however, as soon as the supply line 16 or 20 is pressurized and as long as the cylinder chamber 18 or 22 is under pressure.
  • the changeover valves 24, 26 prevent a counterpressure from building up in the other cylinder chamber 22 or 18 when the assigned cylinder chamber 18 or 22 is pressurized.
  • the changeover valves 24, 26 remain in the position shown during the entire closing process, that is to say also when the safety device described below responds, because the safety device causes the pressure in the closing pressure chamber 18 to be reduced, but this is not completely depressurized.
  • a pneumatic door lock 28 is also assigned to the door control 12.
  • the door system shown is of conventional construction and functionality.
  • the servomotor 2 is one Associated with safety device, by means of which the closing air supply and removal to and from the closing pressure chamber 18 is regulated during the entire closing process in accordance with the effective driving force of the servomotor 2.
  • the cylinder 30 of the servomotor 2 is not firmly supported on the door frame 8, but is articulated on a rocker 34 which can be pivoted about a fixed pivot point 32 and which is supported at its free end on a spring member in the form of a compression spring 36, the pretensioning of which - approximately adjustable with the aid of the adjusting screw 38 shown in the figures.
  • the door closing force or the reaction force of the servomotor 2, which is of the same magnitude and opposite, is therefore passed from the cylinder 30 via the rocker 34 and the spring member 36 into the door frame 8, while the reaction force of the cylinder 30 when the cylinder chamber 22 is pressurized, i.e. when the door is opened, via a the rocker 34 associated stop 40 is set down.
  • the rocker 34 and the spring member 36 by means of which the servomotor 2 is elastically supported in the longitudinal direction on the door frame 8, thus form a closing force sensor which absorbs the driving force of the servomotor during the closing process and which actuates a control valve 42 arranged in the course of the closing air supply line 16.
  • the control valve 42 is held in its rest position (FIG. 1) by the rocker 34, in which it clears the supply line 16 to the closing pressure side 18 of the servomotor 2 switches through.
  • the closing force sensor responds, ie the rocker 34 is pivoted by the reaction force of the servomotor 2 against the spring force of the compression spring 36, and the control valve 42 is switched over. It first reaches an intermediate position, in which it shuts off the closing pressure side 18 of the servomotor 2 from the closing air supply line 16, and then into the venting position shown in FIG.
  • the safety device described also allows the jammed obstacle, and in particular a passenger, to be released without great effort by pushing on the door leaf 6 against the closing force of the servomotor 2 when the closing process is interrupted. If a counterforce is exerted on the door leaf 6 against the closing direction, which exceeds the maximum value set on the spring 36, the safety device also responds so that the closing pressure chamber 18 is vented via the control valve 42 in such a way that the door leaf 6 counteracts one essentially constant resistance limited to the set maximum value of the servomotor 2 can be pressed open.
  • the maximum door closing force was limited to 100 N.
  • the pressure level associated with this closing force limit value in the closing pressure chamber 18 of the servomotor 2 cannot be precisely determined because it is dependent not only on the effective piston pressure area but also on disturbance variables, for example the internal friction of the servomotor 2.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Burglar Alarm Systems (AREA)
EP87108821A 1986-07-23 1987-06-19 Sicherheitseinrichtung für ein Türsystem Expired - Lifetime EP0254038B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108821T ATE61647T1 (de) 1986-07-23 1987-06-19 Sicherheitseinrichtung fuer ein tuersystem.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863624823 DE3624823A1 (de) 1986-07-23 1986-07-23 Sicherheitseinrichtung fuer ein tuersystem
DE3624823 1986-07-23

Publications (3)

Publication Number Publication Date
EP0254038A2 EP0254038A2 (de) 1988-01-27
EP0254038A3 EP0254038A3 (en) 1988-06-08
EP0254038B1 true EP0254038B1 (de) 1991-03-13

Family

ID=6305748

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108821A Expired - Lifetime EP0254038B1 (de) 1986-07-23 1987-06-19 Sicherheitseinrichtung für ein Türsystem

Country Status (4)

Country Link
US (1) US4803807A (enrdf_load_stackoverflow)
EP (1) EP0254038B1 (enrdf_load_stackoverflow)
AT (1) ATE61647T1 (enrdf_load_stackoverflow)
DE (2) DE3624823A1 (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981084A (en) * 1989-04-05 1991-01-01 Morrison-Knudsen Company, Inc. Transit car door system and operation
FR2693535B1 (fr) * 1992-07-10 1994-09-30 Rockwell Abs France Dispositif de sécurité pour lève-vitre électriques de véhicule à câble.
FR2693569B1 (fr) * 1992-07-10 1994-10-07 Rockwell Abs France Dispositif de sécurité pour lève-vitre électriques de véhicule du type à câble coulissant le long d'un rail de guidage.
US5402075A (en) * 1992-09-29 1995-03-28 Prospects Corporation Capacitive moisture sensor
US5955854A (en) * 1992-09-29 1999-09-21 Prospects Corporation Power driven venting of a vehicle
JP2986914B2 (ja) * 1993-03-12 1999-12-06 プロスペクツ コーポレーション 乗物用通気調整システム及び方法
SE516950C2 (sv) * 1999-05-21 2002-03-26 Scania Cv Ab Säkerhetsanordning vid fordonsdörrar
AT414005B (de) * 2002-05-22 2006-08-15 Knorr Bremse Gmbh Türspaltüberwachung
WO2012033431A1 (ru) * 2010-09-10 2012-03-15 Khrustalev Khristofor Borisovich Автоматическая дверь
JP5631180B2 (ja) * 2010-12-01 2014-11-26 東日本旅客鉄道株式会社 車両用乗降扉の空気式戸閉装置
DE112010006054A5 (de) * 2010-12-08 2013-10-02 Gebr. Bode Gmbh & Co. Kg Kraftgesteuerte Drehmomentstütze
CN106948699B (zh) * 2017-05-03 2018-06-05 北京汽车研究总院有限公司 一种汽车尾门自动开关装置和汽车
DE102018110608B4 (de) * 2018-05-03 2025-07-03 Kiekert Aktiengesellschaft Kraftfahrzeug-Antriebsanordnung
JP2023025516A (ja) * 2021-08-10 2023-02-22 ナブテスコ株式会社 空気式ドア装置
JP7722672B2 (ja) 2022-07-26 2025-08-13 エルジー エナジー ソリューション リミテッド 昇降可能なチャンバー及びその運転方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955292C (de) * 1953-07-26 1957-01-03 Friedrich Wilhelm Kiekert Sicherheitseinrichtung fuer Tueren, insbesondere Fahrzeugtueren, die durch einen Kraftantrieb geschlossen werden
DE1584037B1 (de) * 1963-10-25 1969-10-23 Haegglund & Soener Ab Sicherheitsschalteinrichtung fuer hydraulisch betaetigte Kolben-Zylinder-Antriebe von Tueren,Luken od.dgl.
FR1412098A (fr) * 1964-10-17 1965-09-24 Haegglund & Soener Ab Dispositif d'asservissement de sécurité de la fermeture à commande hydraulique de portes, trappes ou analogues
GB1170451A (en) * 1966-01-12 1969-11-12 Harefield Rubber Company Ltd Improvements in or relating to Drive Mechanism
US4476678A (en) * 1980-01-31 1984-10-16 Plc Peters Limited Control mechanism for pneumatic apparatus
DE3213491C1 (de) * 1982-04-10 1983-07-21 Adam Opel AG, 6090 Rüsselsheim Sicherheitseinrichtung an beweglichen Schliessteilen,insbesondere an Schutzklappen von Bearbeitungsmaschinen
HU191517B (en) * 1983-04-11 1987-03-30 Finoszerelvenygyar Device for automatic back opening first the doors or sliding doors of passenger vehicles operated by rotary column
DE3439613A1 (de) * 1984-10-30 1986-05-07 Daimler-Benz Ag, 7000 Stuttgart Pneumatische tuerbetaetigungsanlage fuer fahrzeuge

Also Published As

Publication number Publication date
EP0254038A3 (en) 1988-06-08
DE3768573D1 (de) 1991-04-18
EP0254038A2 (de) 1988-01-27
ATE61647T1 (de) 1991-03-15
US4803807A (en) 1989-02-14
DE3624823C2 (enrdf_load_stackoverflow) 1991-06-27
DE3624823A1 (de) 1988-02-04

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