EP0180030A2 - Dispositif d'actionnement pneumatique pour portes de véhicules - Google Patents

Dispositif d'actionnement pneumatique pour portes de véhicules Download PDF

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Publication number
EP0180030A2
EP0180030A2 EP85111891A EP85111891A EP0180030A2 EP 0180030 A2 EP0180030 A2 EP 0180030A2 EP 85111891 A EP85111891 A EP 85111891A EP 85111891 A EP85111891 A EP 85111891A EP 0180030 A2 EP0180030 A2 EP 0180030A2
Authority
EP
European Patent Office
Prior art keywords
door
pressure
pressure limiter
valve
limiter
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
EP85111891A
Other languages
German (de)
English (en)
Other versions
EP0180030A3 (en
EP0180030B1 (fr
Inventor
Lothar Dipl.-Ing. Benkowitz (Fh)
Alfred Ernst
Karl Dipl.-Ing. König
Elefterios Dipl.-Ing. Kontotheodorou
Steffen Ing. Schneider
Steffen Ing. Straub
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.)
Robert Bosch GmbH
Daimler Benz AG
Original Assignee
Robert Bosch GmbH
Daimler Benz AG
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 Robert Bosch GmbH, Daimler Benz AG filed Critical Robert Bosch GmbH
Publication of EP0180030A2 publication Critical patent/EP0180030A2/fr
Publication of EP0180030A3 publication Critical patent/EP0180030A3/de
Application granted granted Critical
Publication of EP0180030B1 publication Critical patent/EP0180030B1/fr
Expired 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
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • 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
    • E05F15/49—Safety devices, e.g. detection of obstructions or end positions specially adapted for mechanisms operated by fluid pressure, e.g. detection by monitoring transmitted fluid pressure
    • 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
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the invention is based on a pneumatic door control system according to the preamble of the main claim.
  • Such door actuation systems are used primarily for automatic closing and opening of the doors in public transport, the closing process being initiated by the driver through the vehicle driver and the opening movement also being initiated by the driver or via push buttons or buttons arranged near the doors by the passengers. At the same time, the closing pressure of the closed doors is applied to lock them while driving.
  • the opening process often lacks such safety measures, so that a risk to passengers when opening the door cannot be ruled out, particularly in rush hour traffic with a high occupancy rate of the vehicle.
  • the invention has for its object to improve a circuit arrangement of the type mentioned in such a way that with little effort a risk to people even when the doors open and the known design is simplified.
  • Such a door operating system has the advantage that protection against jamming in the opening and closing directions is provided not only during normal operation of the system but also in the event of electrical failure or in workshop operation, i.e. if the door valve switched mechanically by hand when the system is intact is activated by a magnet is.
  • the secondary ventilation ensures a constant, previously adjustable and safe clamping force for the passenger during the movement of the door.
  • Another advantage is that the triggering force on the differential pressure switches can be selected completely independently of the setting of the pressure limiter. Thereby it is possible, for example, to set the clamping force so low that the doors run slowly and without beating into their end position after removing an obstacle.
  • the speed at which the door moves is not affected by the pressure limiter, because the pressure limiter is under current during normal operation of the door and therefore assumes a position in which the compressed air passage through the pressure limiter is unimpeded, that is to say free.
  • FIG. 1 shows a first embodiment of a door actuation system with a lockable emergency valve
  • FIG. 2 shows a modification of the type according to FIG. 1 with an unlockable emergency valve
  • FIG. 3 shows an electrical switching device for the systems according to FIGS. 1 and 2.
  • a door actuation system has a storage container 2 fed by a compressor 1, to which two double-acting working cylinders 4 , 5 are connected via a line 6, 6 ⁇ via an electromagnetically actuated switchover or door valve 3 are closed.
  • Each working cylinder 4 and 5 is intended for actuating a door, not shown, which is articulated to it.
  • Each closing side of each working cylinder 4 and 5 is a throttle 7 or 8 and each opening side is a throttle check valve 9 or 10 upstream.
  • an emergency valve 11 This is designed as a 3/3-way valve, has a manual actuation 12 and also a lock 13. Its central position, in which all line connections are separated, is only a transitional position. Subsequent to the emergency valve 11, a throttle valve 14 (also called a starting throttle) is inserted into the line 6, and a pressure limiter 15 is located in front of the door valve 3 Pressure limitation is effective.
  • the pressure limiter 15 has a ventilation point 16 which, in this position of the pressure limiter 15, is connected to the secondary side of the system, that is to say to the working cylinder side. Via this vent 16, the pressure of the secondary side can be released to a certain residual pressure. In its current-operated, other position, it offers a free, unobstructed passage through line 6.
  • the door runs slowly and without beating into its open end position due to the low residual pressure.
  • the pressure limiter is energized again by the electrical switching device described in FIG. 3, so that the system is normally ready for operation again at full supply pressure.
  • the door valve 3 is switched over again. If a person is trapped when the door is closed, the reversing which is customary in this case is brought about by means not shown in FIG. 1. With the emergency valve 11, the system can be depressurized so that the doors can be easily opened or closed by hand.
  • the lock 13 ensures that after resetting the emergency valve e.g. when the vehicle is repaired, the system can only be put into operation again by actuating the actuating device located in the driver's position.
  • FIG. 2 shows that it is also possible to do without a lock 13 if the structure of the system is otherwise the same by using the pressure limiter 15 according to the invention. This is because the pinch protection is fully effective even when the system is de-energized by the pressure limiter 15 according to the invention.
  • FIG. 3 shows an embodiment which, starting from the installation according to FIG. 1, represents the electrical circuit for the installation. Corresponding parts again have the same reference numbers as in FIG. 1.
  • the pressure limiter 15 there is a normally closed relay 22, one coil side of which is connected to + and the other coil side of which is connected to ground via the differential pressure switch 23 and a limit switch 24, but only if the differential pressure switch 23 is closed. So, as shown, the relay 22 is de-energized, but the pressure limiter 15 is energized.
  • the limit switches 24 are mechanically operated switches which are operated by the door in the settings thereof.
  • Another relay 25 is - as drawn - open when de-energized and controls the current for the pressure limiter 15 in connection with the other relay 22.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)
EP85111891A 1984-10-30 1985-09-20 Dispositif d'actionnement pneumatique pour portes de véhicules Expired EP0180030B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843439613 DE3439613A1 (de) 1984-10-30 1984-10-30 Pneumatische tuerbetaetigungsanlage fuer fahrzeuge
DE3439613 1984-10-30

Publications (3)

Publication Number Publication Date
EP0180030A2 true EP0180030A2 (fr) 1986-05-07
EP0180030A3 EP0180030A3 (en) 1986-10-08
EP0180030B1 EP0180030B1 (fr) 1989-07-19

Family

ID=6249047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111891A Expired EP0180030B1 (fr) 1984-10-30 1985-09-20 Dispositif d'actionnement pneumatique pour portes de véhicules

Country Status (2)

Country Link
EP (1) EP0180030B1 (fr)
DE (2) DE3439613A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2259927C1 (ru) * 2003-12-08 2005-09-10 Открытое акционерное общество "Павловский машиностроительный завод ВОСХОД" (ОАО "ПМЗ ВОСХОД") Пневмопривод дверей автотранспортного средства с антиблокировочным устройством
CN109469419A (zh) * 2019-01-04 2019-03-15 厦门金龙联合汽车工业有限公司 一种快速应急开启气动外摆式乘客门系统

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624823A1 (de) * 1986-07-23 1988-02-04 Messerschmitt Boelkow Blohm Sicherheitseinrichtung fuer ein tuersystem
DE3809325A1 (de) * 1988-03-19 1989-10-05 Bosch Gmbh Robert Tuerbetaetigungsvorrichtung
RU2198102C2 (ru) * 2000-11-21 2003-02-10 Открытое акционерное общество "Павловский машиностроительный завод "Восход" Пневмопривод дверей автотранспортного средства с антиблокировочным устройством
CN104290686B (zh) * 2014-01-06 2017-04-05 郑州宇通客车股份有限公司 一种公交车门控制系统及方法
CN113183731B (zh) * 2021-04-19 2022-09-27 金湖县华明客车门系统有限公司 一种用在客车上的折叠式内摆门

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105867C2 (de) * 1981-02-18 1982-12-02 Daimler-Benz Ag, 7000 Stuttgart Schaltungsanordnung für druckmittelbetätigte, insbesondere pneumatisch betätigte, Türen in Fahrzeugen, wie Omnibussen, Straßenbahnen o.dgl.
DE3234615A1 (de) * 1982-09-18 1984-03-22 Robert Bosch Gmbh, 7000 Stuttgart Tuerbetaetigungsvorrichtung
DE3310525A1 (de) * 1983-03-23 1984-09-27 Robert Bosch Gmbh, 7000 Stuttgart Tuerbetaetigungsvorrichtung, insbesondere fuer nutzfahrzeuge, wie omnibusse, strassenbahnen od. dgl.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2259927C1 (ru) * 2003-12-08 2005-09-10 Открытое акционерное общество "Павловский машиностроительный завод ВОСХОД" (ОАО "ПМЗ ВОСХОД") Пневмопривод дверей автотранспортного средства с антиблокировочным устройством
CN109469419A (zh) * 2019-01-04 2019-03-15 厦门金龙联合汽车工业有限公司 一种快速应急开启气动外摆式乘客门系统

Also Published As

Publication number Publication date
DE3439613A1 (de) 1986-05-07
DE3439613C2 (fr) 1988-01-21
EP0180030A3 (en) 1986-10-08
DE3571666D1 (en) 1989-08-24
EP0180030B1 (fr) 1989-07-19

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