EP0341416A2 - Dispositif interrupteur - Google Patents

Dispositif interrupteur Download PDF

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Publication number
EP0341416A2
EP0341416A2 EP89106007A EP89106007A EP0341416A2 EP 0341416 A2 EP0341416 A2 EP 0341416A2 EP 89106007 A EP89106007 A EP 89106007A EP 89106007 A EP89106007 A EP 89106007A EP 0341416 A2 EP0341416 A2 EP 0341416A2
Authority
EP
European Patent Office
Prior art keywords
switching device
actuating member
switching
time
devices
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
EP89106007A
Other languages
German (de)
English (en)
Other versions
EP0341416A3 (fr
EP0341416B1 (fr
Inventor
Wolfgang Dipl.-Ing. Priesemuth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0341416A2 publication Critical patent/EP0341416A2/fr
Publication of EP0341416A3 publication Critical patent/EP0341416A3/fr
Application granted granted Critical
Publication of EP0341416B1 publication Critical patent/EP0341416B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed

Definitions

  • the invention relates to a switching device with an actuating element for the manual, at least temporary, activation of electrical devices in motor vehicles, in particular an electrically heated rear window.
  • Switching devices of this type are provided, for example, in motor vehicles for putting windshield wipers into operation in accordance with a predetermined time interval (interval operation). For example, in the case of such interval operation, a windshield wiper is switched on for a predetermined time period and switched off for a predetermined time period, the switched-on and the switched-off state being able to be repeated or canceled in accordance with the structure of the switching device.
  • Switching devices of this type have a manually operable actuator (switch) which is arranged either in the dashboard or directly in the steering column, with the latter Embodiment an extension lever cooperating with the actuating member makes it possible to directly actuate the steering wheel of the motor vehicle.
  • the actual control circuit for the time-adjustable operation of the electrical device is arranged at suitable points in the motor vehicle and is connected to the aforementioned trigger switch via separate electrical control and supply lines.
  • a time switch which can be switched on directly with the actuator and is spatially connected to it and which, after actuation by the actuator, switches on the electrical device for a predeterminable time interval.
  • the advantage of the switching device according to the invention essentially consists in the fact that it consists of a compact unit which can be installed directly in the dashboard or in another suitable location in the motor vehicle, separate manufacturing costs for the actuating element (switch) and time switching device being eliminated, so that also the tool costs for the manufacture of the switching device are almost halved.
  • Another advantage of the switching device according to the invention is that the assembly effort is also almost halved and no separate control lines need to be provided between the actuator and the time switch device, which in turn saves material and assembly costs.
  • the space required with the subject matter of the invention is considerably reduced compared to known devices, so that the space gained can be used for other purposes.
  • the time switching device and a switching element which can be actuated by the actuating member are arranged on a carrier plate, i.e. the carrier plate as such can comprise all electrical and possibly electronic components, so that at least a substantial part of the switching device according to the invention can be produced in a highly automated manner.
  • the carrier plate is on the actuator facing end with a support plate protruding substantially at right angles from the support plate, spring means preferably being arranged on the support plate, which hold the actuating member in the relaxed state in an inactive end position.
  • the support plate has at least one hole through which a rod-shaped projection provided on the rear of the actuating element projects and engages with the switching element. An actuation of the actuator causes the switching element to be switched on via the projection.
  • the switching device is advantageously surrounded by a preferably one-piece housing body which has guide means for the actuating member on its inner walls.
  • the housing body is shaped in such a way that no separate guides for the actuating member are necessary, which in turn leads to a reduction in the manufacturing costs.
  • the carrier plate is advantageously provided with plug devices at its end substantially opposite the actuating member, the plug devices preferably being the tongue-shaped flat plugs used in motor vehicle construction, the ends of which are connected to the carrier plate and engage, for example, in a printed circuit on one or both sides of the carrier plate and there can be soldered or otherwise suitably electrically connected.
  • the switching device has a housing end part with openings for the passage of the plug devices, the housing end part being formed on the end of the switching device opposite the carrier plate is.
  • any suitable connections can be provided, but it is advantageous to connect the housing body and the housing end part to one another via latching devices which can be formed in one piece with the respective housing parts during the manufacturing process, so that here again the assembly effort is reduced.
  • the switching device itself has on the housing body, i.e. on its outer surface at least one releasable fastening device which can be designed as a clip device in order to fasten the switching device in a simple manner in the dashboard or at another suitable location in the motor vehicle.
  • the fastening or clip device is designed such that it resiliently nestles against the housing body when the switching device is inserted into a predetermined mounting hole and expands again in the final assembly position and jumps behind a suitable mounting strut or a mounting plate. No screws or other fasteners are required.
  • the time switch device is advantageously formed by an electronic circuit device, although in principle any suitable non-electronic time switch device is also conceivable according to the invention.
  • the electronic circuit device has the advantage over other configurations that the manufacturing costs are relatively low, since standardized electronic components can be used which are considerably cheaper to provide than mechanical or electromechanical solutions.
  • the electronic solution of the circuit device also has the advantage of a much smaller space requirement and high operational reliability with a low current consumption.
  • the electronic circuit device comprises a relay, via whose working contacts the electrical device is switched on, and an electronic circuit element which activates the relay for a predetermined time at least after triggering by the switching element or the actuating element interacting therewith.
  • the duration of the desired triggering of the switching device can be set by suitably selecting circuit elements such as resistors, capacitors and the like.
  • the triggering of the switching device can be selected to be as long as desired.
  • the switching device has a display means for displaying the operating state and / or a display means for identifying the switching device as such in the dark.
  • the display means are visible through the actuating member in the active state, at least the actuating member being made of a suitable material, for example plastic, which is at least then light-transparent in the area of the display means for the passage of light from the display means to the outside is if either the display means for the operating state and / or the display means is active when the switching device is identified in the dark, ie Light emitted.
  • the switching device 10 is shown in its entirety as a compact component in FIG. 1 and consists essentially of an actuating member 11 which can be moved manually in the direction of the arrow 31 in order to trigger the switching process, and a carrier plate 15, which is surrounded by a housing body 20.
  • the electrical and electronic components arranged on the carrier plate 15, which can simultaneously be a printed circuit, are described in detail below.
  • the actuating member 11 is directly spatially connected to the time switching device 12, which in an electronic embodiment is based on FIG. 3 and 4 can be seen.
  • the time switch device 12 is formed by electrical and electronic components which are arranged on the already mentioned carrier plate 15, and is described in detail below.
  • the directly spatially constructive connection of the actuator to the time switch allows the manufacturing costs, the costs for installation in the vehicle and the costs for assembly to be significantly reduced, whereby according to the invention the space for the switch device 10 as a whole compared to that previously for the switch devices Art required space is also reduced.
  • a switching element 14 is arranged on the carrier plate 15, which is usually a mechanical switch which is triggered by actuating the actuating member 11 in the direction of the arrow 31, specifically by means of a rod-shaped projection (not shown) attached to the rear of the actuating member 11. which passes through a support plate 18 which is arranged at the end 16 of the support plate 15 facing the actuating member 11 and projects at a right angle.
  • spring means 19 are arranged on the support plate, which hold the actuating member 11 in an inactive end position, as is basically shown in FIG. 1.
  • plug devices 21 are provided, via which the switching device 10 can be connected to a voltage supply of the motor vehicle and to the electrical device 13 to be controlled.
  • the plug devices 21 are designed in the form of flat plugs, as they are used throughout the entire motor vehicle area, and there are these are tongue-like plug projections.
  • any other suitable plug devices 21 can be provided.
  • a housing end part 22 is provided which has openings for the passage of the plug devices 21 and which serves to prevent dust, moisture, oil or fuel vapors be prevented from entering the interior of the housing body 20.
  • guides or anti-rotation devices 32 which protrude from it essentially at right angles, can also be arranged in order to position a socket (not shown here) which is to be brought into engagement with the plug-in device 21 in a clear manner, so that faulty connection options are provided Rotation of the socket, not shown, can be avoided.
  • the housing body 20 and the housing end part are connected to one another via latching devices 23, which can be integrally formed in the manufacture of both parts, so that a simple possibility of connecting the two parts is possible without additional fastening or connecting means.
  • the housing body, cf. FIG. 1 has fastening devices 24 on its two opposite outer surfaces 30 with a substantially cross-sectional design of the housing body 20, which here are preferably formed by resiliently designed clip devices.
  • the fastening devices 24 engage in the relaxed state, cf. FIG. 1, on a surface 33 of a fastening strut or a fastening plate after the switching device 10 has not been separated here illustrated mounting hole, for example in the dashboard of a motor vehicle, has been pushed through.
  • FIG. 4 shows a block diagram of the switching device 10, wherein the time switch device can be put into operation by the actuating element 11 in any manner, for example by means of a switching pulse.
  • a relay 25 is actuated, which is part of the time switch device 12.
  • the normally open contacts 26 of the relay 25 are closed after activation, so that the circuit from terminals ⁇ 6> to ⁇ 5> is closed.
  • an electrical device 13 in the motor vehicle is activated as intended for a predetermined time.
  • the time-determining element in the time switching device 12 is formed by an electronic circuit element 27, which is formed by a single integrated module, for example of the TYA 0298 type from Motorola.
  • the electronic circuit element 27 is set in terms of its oscillator frequency by the resistor 34 and the capacitor 35, the common connection of the resistor 34 and the capacitor 35 being given to the frequency setting input 273 of the electronic circuit device 27.
  • the electronic circuit device 27 also has an input 271, to which an input signal (positive voltage pulse), see S of FIG. 5, is given by means of the actuator 11.
  • the time switch device 12 can also be designed such that whenever, for example, the electrical network of a motor vehicle switches on (by actuating the ignition key), the switch device 10 is first switched on for a predetermined time, i.e. that relay 25 is activated for a predetermined time whenever the motor vehicle is started by turning the ignition key or the like.
  • this function when starting up the motor vehicle can mean an additional possibility of starting up the electrical device 13 to be put into operation, but in principle the starting up of the switching device 10 by actuating the actuating member 11 to trigger a start pulse for the electronic switching device 27 described above remains unaffected, see the pulse diagram of FIG. 5.
  • a display means in the form of an incandescent lamp or light-emitting diode can also be provided, so that the active operating state can be displayed.
  • the switching device 10 can be provided with a display means 29 for identifying the switching device 10 as such in the dark, the display means 28, 29 preferably being visible through the actuating member 11 in the active state.
  • the switching device 10 is provided for the activation of a rear window heater in a motor vehicle, the battery of the Motor vehicle is accidentally emptied.
  • the rear window heater is only switched on for a predetermined time, for example 10 minutes, after actuation by the actuator 11. This time is usually sufficient to defrost them in the event of severe frosting.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Window Of Vehicle (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Switches With Compound Operations (AREA)
  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Lock And Its Accessories (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP89106007A 1988-05-11 1989-04-06 Dispositif interrupteur Expired - Lifetime EP0341416B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3816080 1988-05-11
DE3816080A DE3816080A1 (de) 1988-05-11 1988-05-11 Schalteinrichtung

Publications (3)

Publication Number Publication Date
EP0341416A2 true EP0341416A2 (fr) 1989-11-15
EP0341416A3 EP0341416A3 (fr) 1991-07-03
EP0341416B1 EP0341416B1 (fr) 1995-03-22

Family

ID=6354148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106007A Expired - Lifetime EP0341416B1 (fr) 1988-05-11 1989-04-06 Dispositif interrupteur

Country Status (6)

Country Link
EP (1) EP0341416B1 (fr)
CN (1) CN1019065B (fr)
AT (1) ATE120304T1 (fr)
BR (1) BR8902197A (fr)
CA (1) CA1308432C (fr)
DE (2) DE3816080A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140495C1 (en) * 1991-12-09 1993-03-11 Priesemuth W Switch circuit for electrically heated rear windscreen of motor vehicle - uses timing switch and auxiliary relay or bimetallic switch to control supply voltage.
DE4214603C2 (de) * 1992-05-04 1995-10-05 Priesemuth W Schalteinrichtung zum gesteuerten Inbetriebsetzen von elektrischen Einrichtungen
IT232132Y1 (it) * 1992-12-22 1999-12-17 Bitron Video Dispositivo di commutazione a tempo di ingombro ridotto, particolarmente per autoveicoli.
DE19923496A1 (de) * 1999-05-21 2000-11-23 Volkswagen Ag Scheibenheizung für Kraftfahrzeuge
JP2003532585A (ja) 2000-05-10 2003-11-05 コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト 自動車制御装置を接続する電子回路装置及びシステムとその使用
DE10042561A1 (de) * 2000-05-10 2001-11-15 Continental Teves Ag & Co Ohg Elektronische Schaltungsanordnung und System zum Anschalten einer Kfz-Steuerung, sowie deren Verwendung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1109555A (fr) * 1978-04-21 1981-09-22 Rodney Hayden Commutateur electrique minute
US4378503A (en) * 1980-02-07 1983-03-29 Rautiola Norman A Automotive backlight heater and timing control means

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707008A1 (de) * 1977-02-18 1978-08-24 Bayerische Motoren Werke Ag Schaltanordnung fuer die elektrische heizung von fensterscheiben in kraftfahrzeugen
CH621459B (de) * 1977-12-16 Sodeco Compteurs De Geneve Zeitschalter.
FR2460538B1 (fr) * 1978-04-21 1985-07-05 Trw Inc Dispositif de commutation a minuterie

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1109555A (fr) * 1978-04-21 1981-09-22 Rodney Hayden Commutateur electrique minute
US4378503A (en) * 1980-02-07 1983-03-29 Rautiola Norman A Automotive backlight heater and timing control means

Also Published As

Publication number Publication date
DE3816080C2 (fr) 1990-05-10
EP0341416A3 (fr) 1991-07-03
CA1308432C (fr) 1992-10-06
BR8902197A (pt) 1990-01-02
ATE120304T1 (de) 1995-04-15
CN1037613A (zh) 1989-11-29
DE58909123D1 (de) 1995-04-27
EP0341416B1 (fr) 1995-03-22
CN1019065B (zh) 1992-11-11
DE3816080A1 (de) 1989-11-23

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