GB1592748A - Motor vehicle with a servo-actuated closing device - Google Patents

Motor vehicle with a servo-actuated closing device Download PDF

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Publication number
GB1592748A
GB1592748A GB21608/78A GB2160878A GB1592748A GB 1592748 A GB1592748 A GB 1592748A GB 21608/78 A GB21608/78 A GB 21608/78A GB 2160878 A GB2160878 A GB 2160878A GB 1592748 A GB1592748 A GB 1592748A
Authority
GB
United Kingdom
Prior art keywords
force
closing
window
switch
measuring element
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
Application number
GB21608/78A
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.)
Daimler Benz AG
Original Assignee
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB1592748A publication Critical patent/GB1592748A/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0851—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load for motors actuating a movable member between two end positions, e.g. detecting an end position or obstruction by overload signal
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028—Force sensors associated with force applying means
    • G01L5/0042—Force sensors associated with force applying means applying a torque
    • 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
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
    • E05F15/697—Motor units therefor, e.g. geared motors
    • 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
    • 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
    • E05Y2900/55—Windows

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Control Of Position Or Direction (AREA)

Description

(54) A MOTOR VEHICLE WITH A SERVO-ACTUATED CLOSING DEVICE (71) We, DAIMLER-BENZ AKTIENGESELLSCHAFT, of Stuttgart Untertürkheim, Germany, a Company organised under the laws of the Federal Republic of Germany, do hereby declare the invention for which we pray that a patent may be granted to us and the method by which it is to be performed, to be particularly described in and by the following state ment: The invention relates to a motor vehicle including a servo-actuated closing device, namely a window, door, sliding roof, cover or like closing device in a motor vehicle, referred to hereinafter as a closing device of the kind set forth.
With servo-actuated closing devices for such purposes, there is a danger that the fingers of an occupant of a vehicle will be caught.
It is desirable that the available excess force, for example for closing a window, should not exceed about 8 kp. However, because of the frictional forces to be overcome, which are subject to considerable fluctuation and may, for example, be modified by dirt, moisture or ageing of sealing materials the closing force for a car window may, nevertheless, vary in practice between 5 kp and 40 kp.
With known force-limiting means, it is difficult to ensure reliably an adequately low excess force. The present invention seeks to afford as much safety as possible and by simple and inexpensive means.
According to the invention, in a motor vehicle including a servo-actuated closing device, for avoiding injury caused by the trapping of a user's fingers by the said device, a force-measuring element is used in conjunction with a time or distancemeasuring element for continuously determining the closing force over a predetermined time or distance during the closing movement and the said force is integrated and/or differentiated and stored and driving means for the closing device is switched over to zero or reverse movement in the event of an excessively high, rapid, increase in force above the value previously stored.
The force-measuring element is preferably a piezoelectric force sensor which is disposed in the mechanical driving train and is acted upon, for example, by a driving worm of a window-closing device.
The force-measuring element may be followed by an amplifier which acts on an integrator and/or differentiator which is followed in turn by a threshold switch.
Ways of carrying out the invention will now be more fully described with reference to the accompanying drawing, in which: Figure 1 shows, partly in section, a window-closing device operated by an electric motor in a motor vehicle, Figure 2 is a block circuit diagram of a control arrangement, and Figures 3 and4 show possible circuit arrangements for an integrator and a differentator respectively.
Referring to Figure 1, a force-measuring element 3 in the form of a piezoelectric sensor is disposed in the driving train to a window-closing device or raiser 2 from an electric motor 1. The element 3 may be located in the region of the mounting or thrust bearing of the driving worm 4 as illustrated or in the mechanical part of the drive 2. During closing movement, the sensor 3 is continuously subject to a reaction force which is proportional or substantially proportional to the window-closing force.
The output signal of the sensor 3 is supplied through an amplifier 5 to a component which is either an electronic integrator 6 or differentiator 6a. This component, a resistance (R)/capacitance (C) integrator in Figure 3 and a capacitance (C)/resistance (R) differentiator in Figure 4, can be designed in dependence upon the desired forcetime interval.
The invention may include provision by which, for example, the effect of high starting force peaks due to static friction are suppressed and the instantaneous closing force is then detected, over periods of about 0.1 second, during the entire operation of closing the window. In the event of a very rapid increase in force, caused by an obstruction to the window closure, a switching signal is transmitted from the sensor 3 through the amplifier 5 and integrator 6 or differentiator 6a to a threshold switch 7 connected in turn to a final output stage 8 by which a switch (not shown) is operated and either switches off the supply of current to the motor 1 or switches the latter over to impart reverse movement to the window and, after a short time, automatically back to forward, window-closing, movement.
When the window pane is moving into the upper part of the window frame, a higher closing force is necessary. If the design is such that this force can be greater than the predetermined excess force, the forcelimiting electronic system may be arranged to be set out of operation by a limit switch.
WHAT WE CLAIM IS: 1. A motor vehicle including a servoactuated closing device of the kind set forth, wherein, for avoiding injury caused by the trapping of a user's fingers by the said device, a force-measuring element is used in conjunction with a time or distancemeasuring element for continuously determining the closing force over a predetermined time or distance during the closing movement and the said force is integrated and/or differentiated and stored and driving means for the closing device is switched over to zero or reverse movement in the event of an excessively high, rapid, increase in force above the value previously stored.
2. A vehicle according to claim 1, wherein the force-measuring element is a piezoelectric force sensor disposed in the driving mechanism.
3. A vehicle according to claim 2, wherein a drive worm of window-closing device acts on the force-measuring element.
4. A vehicle according to claim 1, 2 or 3, wherein the force-measuring element is connected to an amplifier which acts on an integrator followed by a threshold switch and an output stage operating a switch.
5. A vehicle according to claim 1, 2 or 3, wherein the force-measuring element is connected to an amplifier which acts on a differentiator followed by a threshold switch and an output stage operating a switch.
6. A motor vehicle according to claim 1 and substantially as hereinbefore described with reference to the accompanying drawing.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (6)

**WARNING** start of CLMS field may overlap end of DESC **. forcetime interval. The invention may include provision by which, for example, the effect of high starting force peaks due to static friction are suppressed and the instantaneous closing force is then detected, over periods of about 0.1 second, during the entire operation of closing the window. In the event of a very rapid increase in force, caused by an obstruction to the window closure, a switching signal is transmitted from the sensor 3 through the amplifier 5 and integrator 6 or differentiator 6a to a threshold switch 7 connected in turn to a final output stage 8 by which a switch (not shown) is operated and either switches off the supply of current to the motor 1 or switches the latter over to impart reverse movement to the window and, after a short time, automatically back to forward, window-closing, movement. When the window pane is moving into the upper part of the window frame, a higher closing force is necessary. If the design is such that this force can be greater than the predetermined excess force, the forcelimiting electronic system may be arranged to be set out of operation by a limit switch. WHAT WE CLAIM IS:
1. A motor vehicle including a servoactuated closing device of the kind set forth, wherein, for avoiding injury caused by the trapping of a user's fingers by the said device, a force-measuring element is used in conjunction with a time or distancemeasuring element for continuously determining the closing force over a predetermined time or distance during the closing movement and the said force is integrated and/or differentiated and stored and driving means for the closing device is switched over to zero or reverse movement in the event of an excessively high, rapid, increase in force above the value previously stored.
2. A vehicle according to claim 1, wherein the force-measuring element is a piezoelectric force sensor disposed in the driving mechanism.
3. A vehicle according to claim 2, wherein a drive worm of window-closing device acts on the force-measuring element.
4. A vehicle according to claim 1, 2 or 3, wherein the force-measuring element is connected to an amplifier which acts on an integrator followed by a threshold switch and an output stage operating a switch.
5. A vehicle according to claim 1, 2 or 3, wherein the force-measuring element is connected to an amplifier which acts on a differentiator followed by a threshold switch and an output stage operating a switch.
6. A motor vehicle according to claim 1 and substantially as hereinbefore described with reference to the accompanying drawing.
GB21608/78A 1977-06-18 1978-05-23 Motor vehicle with a servo-actuated closing device Expired GB1592748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772727518 DE2727518A1 (en) 1977-06-18 1977-06-18 METHOD AND DEVICE FOR OPERATING SERVO-ACTUATED LOCKING DEVICES

Publications (1)

Publication Number Publication Date
GB1592748A true GB1592748A (en) 1981-07-08

Family

ID=6011817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21608/78A Expired GB1592748A (en) 1977-06-18 1978-05-23 Motor vehicle with a servo-actuated closing device

Country Status (5)

Country Link
JP (1) JPS548281A (en)
DE (1) DE2727518A1 (en)
FR (1) FR2394662A1 (en)
GB (1) GB1592748A (en)
IT (1) IT1105494B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167120A (en) * 1984-11-21 1986-05-21 Sin Leng Lim Remote power operated rear window device
AU583555B2 (en) * 1984-11-26 1989-05-04 Automatic Roller Doors Australia Pty Ltd Door or gate obstruction control
GB2225609A (en) * 1988-12-05 1990-06-06 Truth Inc Window operator
EP0403284A1 (en) * 1989-06-15 1990-12-19 Polyplastics Co. Ltd. Gear case for power window regulators and power window regulator using same
USRE34287E (en) * 1988-12-05 1993-06-22 Truth Division Of Spx Corporation Window operator
GB2274671B (en) * 1993-01-14 1997-04-23 Eclipse Blinds Ltd Blind or curtain suspension system
WO2003032471A1 (en) * 2001-10-12 2003-04-17 Arvinmeritor Light Vehicle Systems - France Gear motor, power- window regulator and method for operating a window regulator
EP1387466A1 (en) * 2002-07-30 2004-02-04 Arvinmeritor Light Vehicle Systems-France Window lifter geared motor assembly and window lifter
FR2935420A1 (en) * 2008-09-02 2010-03-05 Arvinmeritor Light Vehicle Sys Motorized opening frame e.g. window regulator glass pane, closing force limiting method for motor vehicle, involves stopping motor, which drives opening frame, when closing force attains preset value i.e. constant value
DE102011005360A1 (en) * 2011-03-10 2012-09-13 Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt Drive device with actively mounted drive shaft

Families Citing this family (23)

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Publication number Priority date Publication date Assignee Title
FR2415711A1 (en) * 1978-01-25 1979-08-24 Tekron Patents Ltd Motor vehicle window automatic operating control circuit - has manual input system supplying current for min. basic window movements
DE2954670C2 (en) * 1979-07-04 1991-05-16 Swf Auto-Electric Gmbh, 7120 Bietigheim-Bissingen, De Electrically powered vehicle window drive
DE2926938A1 (en) * 1979-07-04 1981-01-22 Rau Swf Autozubehoer SWITCHING ARRANGEMENT FOR DRIVING A MOVABLE ELEMENT, ESPECIALLY FOR DRIVING DISCS OR THE LIKE. IN MOTOR VEHICLES
DE3111711C2 (en) * 1981-03-25 1985-09-19 Gebr. Bode & Co, 3500 Kassel Anti-pinch device for automatically operated doors or windows, in particular on vehicles
DE3150693A1 (en) * 1981-12-21 1983-06-30 Gebr. Bode & Co, 3500 Kassel Anti-jamming safety device for automatic doors
DE3200511A1 (en) * 1982-01-11 1983-07-21 Hörmann KG Antriebs- und Steuerungstechnik, 4834 Harsewinkel METHOD FOR MONITORING A POWERED MOVABLE GATE OR THE LIKE
DE3205091A1 (en) * 1982-02-12 1983-08-18 Wabco Westinghouse Fahrzeug ELECTROPNEUMATIC DOOR CONTROL
DE3433204A1 (en) * 1983-09-12 1985-03-28 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Device for driving motively moved closing parts
DE3335407C3 (en) * 1983-09-29 1993-12-02 Aisin Seiki Safety device for an electromechanical opening and closing mechanism
DE3403561C1 (en) * 1984-02-02 1985-04-25 Rhein Getriebe Gmbh Swivel drive
DE3724942A1 (en) * 1987-07-28 1989-02-09 Reitter & Schefenacker Kg Safety device
DE3818456A1 (en) * 1988-05-31 1989-12-14 Kabelmetal Electro Gmbh SAFETY DEVICE FOR AN AUTOMATICALLY MOVING WINDOW WINDOW OF A MOTOR VEHICLE
DE3929986C2 (en) * 1989-09-08 1997-11-13 Bayerische Motoren Werke Ag Switching device for motorized locking parts of motor vehicles
DE4000730A1 (en) * 1990-01-12 1991-08-01 Bosch Gmbh Robert METHOD AND DEVICE FOR THE OPERATION OF COMPONENT-ACTUATED PARTS WITH A RISK OF PINCHING
US5351439A (en) * 1992-04-21 1994-10-04 Koito Manufacturing Co., Ltd. Power window apparatus having improved safety device
JP2857048B2 (en) * 1993-12-22 1999-02-10 株式会社小糸製作所 Power window device with safety device
DE19520114C1 (en) * 1995-06-01 1997-01-02 Bosch Gmbh Robert Device for detecting the closing force of an electric adjusting motor
DE19800194A1 (en) * 1998-01-07 1999-07-08 Bosch Gmbh Robert Electric motor drive
DE19958308C2 (en) * 1999-01-18 2002-06-06 Hoermann Kg Antriebstechnik Method and control for controlling a drive device for a building or an enclosure
WO2000042687A1 (en) 1999-01-18 2000-07-20 Hörmann KG Antriebstechnik Method and control mechanism for controlling a drive device for a closing device of a building or an enclosed area
DE19960514C2 (en) * 1999-09-08 2001-11-29 Hoermann Kg Antriebstechnik Method for recognizing operating states of a closure for a building or a fencing which can be moved by means of a drive device
JP4155025B2 (en) * 2002-12-24 2008-09-24 アイシン精機株式会社 Opening and closing body control device
DE202006010429U1 (en) * 2006-07-03 2007-11-15 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Sensor device for a anti-trap device

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FR1399648A (en) * 1964-04-06 1965-05-21 Ducellier & Cie Motor vehicle window regulator
US3511920A (en) * 1967-06-09 1970-05-12 Bosch Gmbh Robert Worm gearing with overload applied brake
AU466798B2 (en) * 1970-10-13 1975-11-13 Joseph Lucas (Industries) Limited Control circuits for vehicle window lift mechanism
GB1395749A (en) * 1972-06-05 1975-05-29 Westinghouse Brake & Signal Controlling the operation of a door
US3836834A (en) * 1973-11-13 1974-09-17 Atomic Energy Commission Machine protection system
FR2310241A1 (en) * 1975-05-07 1976-12-03 Peugeot DEVICE FOR AVOIDING ACCIDENTS WHEN CLOSING A MOBILE PANEL, ESPECIALLY OF AN OPENING ROOF, ELECTRICALLY CONTROLLED

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167120A (en) * 1984-11-21 1986-05-21 Sin Leng Lim Remote power operated rear window device
AU583555B2 (en) * 1984-11-26 1989-05-04 Automatic Roller Doors Australia Pty Ltd Door or gate obstruction control
GB2225609A (en) * 1988-12-05 1990-06-06 Truth Inc Window operator
US4945678A (en) * 1988-12-05 1990-08-07 Truth Incorporated Window operator
GB2225609B (en) * 1988-12-05 1992-12-02 Truth Inc Window operators.
USRE34287E (en) * 1988-12-05 1993-06-22 Truth Division Of Spx Corporation Window operator
EP0403284A1 (en) * 1989-06-15 1990-12-19 Polyplastics Co. Ltd. Gear case for power window regulators and power window regulator using same
GB2274671B (en) * 1993-01-14 1997-04-23 Eclipse Blinds Ltd Blind or curtain suspension system
US6922006B2 (en) 2001-10-12 2005-07-26 Arvinmeritor Light Vehicle Systems - France Geared motor for a window regulator and method for operating the window regulator
WO2003032471A1 (en) * 2001-10-12 2003-04-17 Arvinmeritor Light Vehicle Systems - France Gear motor, power- window regulator and method for operating a window regulator
FR2830895A1 (en) * 2001-10-12 2003-04-18 Meritor Light Vehicle Sys Ltd Motor driven reduction gear for operating automobile windows, uses a piezo-electric component with surface friction coefficient greater than 0.15 to lock motor shaft via a spilt bearing
KR100757019B1 (en) 2001-10-12 2007-09-07 아빈메리터 라이트 비이클 시스템즈 - 프랑스 Gear Motor, Power-Window Regulator And Method For Operating A Window Regulator
EP1387466A1 (en) * 2002-07-30 2004-02-04 Arvinmeritor Light Vehicle Systems-France Window lifter geared motor assembly and window lifter
FR2843157A1 (en) * 2002-07-30 2004-02-06 Meritor Light Vehicle Sys Ltd WINDOW REGULATOR AND WINDOW REGULATOR
FR2935420A1 (en) * 2008-09-02 2010-03-05 Arvinmeritor Light Vehicle Sys Motorized opening frame e.g. window regulator glass pane, closing force limiting method for motor vehicle, involves stopping motor, which drives opening frame, when closing force attains preset value i.e. constant value
US8543297B2 (en) 2008-09-02 2013-09-24 Inteva Products France Sas Method of limiting a closing force of a motorized opening
DE102011005360A1 (en) * 2011-03-10 2012-09-13 Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt Drive device with actively mounted drive shaft
WO2012120149A2 (en) 2011-03-10 2012-09-13 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Driving device having an actively supported drive shaft
WO2012120149A3 (en) * 2011-03-10 2013-10-10 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Driving device having an actively supported drive shaft
EP2684282A2 (en) * 2011-03-10 2014-01-15 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Hallstadt Driving device having an actively supported drive shaft
US9103370B2 (en) 2011-03-10 2015-08-11 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Driving device having an actively supported drive shaft

Also Published As

Publication number Publication date
JPS548281A (en) 1979-01-22
FR2394662B1 (en) 1980-07-18
IT7849845A0 (en) 1978-06-13
DE2727518A1 (en) 1979-01-04
FR2394662A1 (en) 1979-01-12
IT1105494B (en) 1985-11-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee