EP1259692B1 - Schnell-auf/ab-kraftfahrzeugfenstersystem und verfahren - Google Patents

Schnell-auf/ab-kraftfahrzeugfenstersystem und verfahren Download PDF

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Publication number
EP1259692B1
EP1259692B1 EP01914622A EP01914622A EP1259692B1 EP 1259692 B1 EP1259692 B1 EP 1259692B1 EP 01914622 A EP01914622 A EP 01914622A EP 01914622 A EP01914622 A EP 01914622A EP 1259692 B1 EP1259692 B1 EP 1259692B1
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EP
European Patent Office
Prior art keywords
window
express
command
motor
panel
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.)
Revoked
Application number
EP01914622A
Other languages
English (en)
French (fr)
Other versions
EP1259692A1 (de
Inventor
Allan Losey
Steve O'connor
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.)
Continental Automotive Systems Inc
Original Assignee
Siemens VDO Automotive Corp
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26882237&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1259692(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens VDO Automotive Corp filed Critical Siemens VDO Automotive Corp
Publication of EP1259692A1 publication Critical patent/EP1259692A1/de
Application granted granted Critical
Publication of EP1259692B1 publication Critical patent/EP1259692B1/de
Anticipated expiration legal-status Critical
Revoked 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
    • E05F15/60—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
    • E05F15/695—Control circuits therefor
    • 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
    • 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

Definitions

  • This invention relates to a system and method for controlling the manner of raising a vehicle window using a power drive mechanism.
  • the first mode is commonly referred to as “up” or “conventional up.” All power window systems have this mode. While an “up” button is pressed, the window is driven up. When the button is released, the window stops. Thus, in conventional "up” mode, the operator ultimately decides when to start and stop closing the window.
  • window controls common in the art interpret an "express up” command to mean that the window should be driven all the way to its fully closed position.
  • a power window system will detect an obstacle based upon the function of the motor driving the window. There are many ways of doing this, such as monitoring motor current (or torque) or by monitoring motor speed, as disclosed respectively in the two prior art items referenced above.
  • the motor detection algorithm relies upon sampling the motor attribute (current or speed) while the window is closing, and comparing that sampled attribute to a previously sampled value. If the most recent sample is noticeably different from previous samples, or if there is an unusual rate of change in these attribute sample values, then the motor may have perhaps encountered an unexpected obstacle. As such, the system reverses the motor to reopen the window (see GB-A-2 013 428).
  • the physical constraints of the window guides and channel may bind the window more as it approaches its final closed position. This situation may cause all attribute samples in that region to trend as if an obstacle is in the way, when in fact there may not actually be any obstacle.
  • the window will be opened up to a neutral position before proceeding toward close in "express up” mode.
  • the "express up” command will proceed to close the window from the point at which the command was received, but the window control system will heighten the sensitivity of its obstacle detection scheme.
  • One object of the present invention is to provide a system and method whereby a power window control can improve the likelihood that it can more readily discern an obstacle when in "express up” mode, when the starting position of that window is quite close to its final closed position. Another object is to decrease the likelihood of pinching a small object during an "express up” operation, when the window is near its closed position when the express up command is issued. A further object is to effect these objects using the sensors and controls already present in a power window system, thus alleviating the need for extra components.
  • FIG. 1 there is a vehicle door 10 with a window 12.
  • the window is constrained within guide channels 14, 16, 18 of the door frame as it opens and closes.
  • the window 12 seats against the inside channel edge of the top of the doorframe 20.
  • the window is moved between its closed and its various open positions by a window lifter mechanism (not shown).
  • This mechanism can be of any type, such as a drum and cable, an arm and sector, or any other type of window lifter mechanism, all of which are well known to those of ordinary skill in the art.
  • this invention is suitable for use with any of type of lifter mechanism, no particular one need to be described here in order to adequately understand this invention.
  • a motor 22 drives the window lifter mechanism.
  • This motor is typically a fractional horsepower 12 or 42-V DC motor, but it need not be. It may be AC or DC of any voltage suitable for the environment in which it operates.
  • the motor may even take the form of a linear piezoelectric device, whose repeated excitation causes a winder to advance, similar to the advanced of gears caused by the regulator on a clock.
  • pneumatic and hydraulic drives may be used.
  • a person of ordinary skill in the art may select from these or other power driving devices to drive the lifter mechanism and thereby effect the opening and closing of the window. Since the invention is suitable for use with any form of power driving device, no particular one need be described in any great detail in order to gain a full appreciation of this invention.
  • the motor 22 is controlled by a motor control 24, which communicates to the motor 22 via electrical wires 26, 28.
  • a person of ordinary skill in the art can easily realize wireless communication between the two via a radiated signal anywhere within the optic and electromagnetic spectrums.
  • the wires 26, 28, however, represent the manner in which controls are typically connected to motors in common usage.
  • These wires 26, 28 carry one or more signals 30, 32 between the motor 22 and the control 24. From the motor 22, the signal 30 transmitted to the control 24 is generally indicative of one or more attributes of the motor. A person of ordinary skill in the art usually desires the control 24 to receive a signal indicative of motor current, motor torque, or motor speed.
  • the control 24 also typically has one or more input devices 34 in communication with it, in this example by way of wire 36 but which may also be effected using a wireless signal in the optic or electromagnetic spectrums.
  • the wire 36 transmits a signal 38 from the input device 34 to the control 24.
  • the input device 34 is a rocker switch whereby a person may indicate his desire to open or close the window. Pressing on one side of the rocker switch transmits an "open" command in signal 38, while pressing on the other side transmits a "close” command.
  • This is commonly known as a two pole rocker switch.
  • the rocker switch may also have two over-travel positions on each side. This type of switch is commonly referred to as a four pole rocker switch.
  • a switch can effect them as described here, or a person of ordinary skill could use any other switch or combination of switches or input devices.
  • the switch may be a two pole rocker switch.
  • An "express up” command might be effected by pulsing the switch in the "up” position for only an instant, while an ordinary "up” command would result from holding the switch in the "up” position for longer.
  • the type of input device 34 is not critical to understanding this invention, and therefor no one particular switch is described in detail.
  • the wire 36 communicates the signal 38 from the input device 34 to the control 24.
  • the wire 28 communicates the signal 30 from the motor 22 to the control 24.
  • the control 24 uses these two signals 30, 38, the control 24 performs an analysis to determine what command signal 32, if any, to communicate to the motor via wire 26.
  • the window 12 has an infinite number of positions between fully closed (that is, seated against the inside channel along the top of the doorframe 20) and fully open.
  • the fully open position may be at, somewhat above or somewhat below the belt line door channel 18. This is entirely dependent upon the aesthetic styling of the vehicle, and has no substantive effect on the present invention. Indeed, the present invention is suitable for use on all forms of moving panels, not merely vehicle door windows.
  • this can be readily adapted to a vehicle sunroof or retracting convertible top, a vehicle back light window, a power sliding door, a power liftgate, a power trunk, a power tonneau cover, a power folding seat, a power steering column, power running boards, a power-driven convertible top mechanism, or even to any garage or entry door opening / closing mechanism.
  • the invention is also readily adapted outside of the field of motor vehicles as well, such as to machine tools or robots.
  • 49 CFR ⁇ 571.118 that is, FMVSS 118
  • FMVSS 118 FMVSS 118
  • Proximity 42 depicts a situation where the window 12 is quite dose to the door frame 20, but is nonetheless beyond proximity 40.
  • the standards generally require the control 24 to detect a semi-rigid obstruction placed between the window 12 and door frame 20 as the window closes upon the obstacle.
  • those of ordinary skill readily appreciate that being in such close proximity to the door frame 20 makes the task of detecting an obstacle much more difficult. That is because most obstacle detection algorithms (whether relying upon motor current or torque, upon motor speed, or upon window speed) require a certain amount of historical data. If the control variable encounters the obstacle too soon within the sampling period, the historical data will be skewed and the data upon encountering the obstacle may look too similar to the earlier data to be discerned as an obstacle.
  • window 12 is opened to a neutral position 44, and upon reaching this neutral position is then moved toward its closed position in "express up" mode.
  • the neutral position 44 may be predetermined, or may vary depending on factors such as temperature, vehicle speed, key-in or key-out of the ignition, or any other factor deemed relevant by a person of ordinary skill in the art. In this first preferred embodiment, the neutral position 44 is predetermined.
  • the express up command is simply not implemented.
  • the window can still be closed, but the operator must press and hold the conventional "up” button or must somehow otherwise provide a continuous "up” command to the controller.
  • there is no need to attempt to detect the presence of an obstacle because the window will cease driving toward close the instant the operator releases the "up” button.
  • the window's starting position is between proximities 40 and 44 when an "express up” command is requested, the window proceeds directly into “express up” driving mode, but the sensitivity of the obstacle detection scheme is heightened.
  • FIGS. 2 and 3 Flow charts showing the logical steps of these preferred embodiments are at FIGS. 2 and 3.
  • FIGS. 2 and 3 Flow charts showing the logical steps of these preferred embodiments are at FIGS. 2 and 3.
  • FIGS. 2 and 3 A person of ordinary skill in the art can appreciate that these flowcharts are for illustrative purposes, and do not represent actual computer programming language commands. Such a person can also readily appreciate that any number of programming languages could be chosen to effect an algorithm to carry out these logical steps. An analog circuit could similarly be readily fashioned by a person of ordinary skill in the art.
  • a person of ordinary skill can further appreciate that the present invention, as illustrated in these preferred embodiments, is suitable for integrated into any window lift motor control system, to supplement whatever algorithm may already be there for discerning window opening and closing commands and for effecting such commands.
  • the entry point of this flowchart 100 leads to the first decision, that being determining whether or not an "express up" command is desired 102.
  • a command as discussed earlier, can be effected using a two pole or four pole rocker switch, using two or more switches, or using some other input device.
  • the control queries the signal from the input device to see if the signal is an "express up” command 102. If there is no command signal, or if the command signal is something other than an "express up” command, the present invention does nothing 104. This does not mean, of course, that the total system into which the present invention belongs does nothing. Rather, this simply means there is no need for the actions of the present invention to be effected.
  • the next step taken is to determine if the starting position of the window is "too close” 108.
  • “too close” can be a fixed value, such as in this embodiment at proximity 42, or it can be variable depending upon the design of the control system. If the window is not between proximities 40 and 42, for the purposes of this embodiment, the window is not “too close” 108, 110.
  • the express up command is permitted to execute as normal, with the window being driven up 112 in its normal continuous fashion and the window control detecting 114 any possible obstacles in its normal fashion. Again, as discussed in conjunction with FIG. 1, driving the window up and down, and detecting possible obstacles are well within the ordinary skill in the art, and no particular means of doing so is necessary for understanding the present invention.
  • Determining the position of the window can be accomplished a number of different ways.
  • a person of ordinary skill in the art could use one or more limit switches along the travel path of the window.
  • the window channel could be fashioned to include a resistive element, whereby the window travelling in the channel serves as a rheostat, thus changing the effective resistance of the circuit depending upon its position within the channel.
  • a person of ordinary skill could use an optical or radar sensor aimed at the window to determine the position of the window relative to the door frame.
  • the motor itself can have optical or conductive markings on its output shaft, and the rotation of the shaft can be counted to determine indirectly the position of the window.
  • the method used for determining or approximating window position is not critical to fully understanding the present invention.
  • an existing window drive control uses motor shaft counting to determine window position as part of its existing control scheme
  • a person of ordinary skill in the art would want to likewise use the motor shaft counted window position to indicate whether the window is "too close”. This does not preclude, of course, permitting additional components to be added if desired. For example, determining position for the purpose of deciding if the window has encountered an obstruction before fully closing may be effected by counting motor shaft rotations, while determining position for the purpose of deciding if the window was too close to the door frame may be effected using an optical sensor aimed at the window.
  • the first step after entering the control algorithm 200 is again to determine if an "express up" command has been issued 202. If there is no "express up” command involved 204, as was the case in the first embodiment, the present invention takes no special action. Whatever command is present (i.e. open window, close window in a mode other than express up), or in fact if no command is present, is acted upon as it normally would without involving the principles of the present invention.
  • the window is not driven back to a neutral position before otherwise proceeding in a normal express up mode as was described in the embodiment of FIG. 1. Rather, two different exception events occur.
  • the first exception event is that, if the window is "too close", express up mode is inhibited and the window may only be closed by an operator continuously issuing a standard "close” command.
  • the second exception event occurs again if the window is "too close”, but this time the window proceeds in express up mode with its obstacle detection scheme operating in a heightened sensitivity mode.
  • one or the other exception event, of their own, would be sufficient. But here they are illustrated together to show that they can also be combined to provided further benefits.
  • "too close” for the purposes of inhibiting express up may be one proximity which is in fact different than the other proximity defining "too close” for the purposes of heightening obstacle detection sensitivity.
  • step 208 for the purpose of inhibiting express up is illustrated at step 208.
  • step 208 false, at 210
  • express up proceeds as it normally would 212.
  • the third embodiment also shown in FIG. 2, involves determining whether an express up command has been issued (204, 224), and if so again determining the position of the window relative to its final closed position when that command was issued.
  • motor speed is the attribute used to determine if an obstacle has been encountered
  • the degree of change in motor speed necessary to indicate an obstacle may be lowered.
  • heightening the sensitivity would involve using a lower threshold such as a 20% decrease in motor speed.
  • motor current is the attribute being observed
  • a lower rate of increase in motor current may signal having encountered an obstacle in heightened sensitivity mode than the rate of increase required during normal obstacle detection sensitivity mode.
  • the motor attribute being observed to determine the presence or likely presence of an obstacle is not of critical importance to understanding the invention.
  • heightening the sensitivity may involve filtering out fewer proximal signals which otherwise would be attributed to noise or scatter interference.
  • the goal of heightening sensitivity in this "too close" region is to increase the likelihood that a small obstacle can be readily detected despite the fact that the window is in close proximity to its final closed position, and despite the fact that this close proximity may make obstacle detection more difficult.
  • the window is not too close when the express up command is issued 226, then it proceeds in its normal express up mode 212 and proceeds to watch for obstacles 214 using its normal level of sensitivity.
  • the second and third embodiments may be combined as shown in FIG. 3, where "too close” for the purposes of inhibiting express up occurs between proximities 40 and 42 (208, 220), and where "too close” for the purposes of needing to heighten obstacle detection sensitivity (225, 228) occurs between proximities 40 and 44.
  • the two embodiments could be separated and only one or the other implemented.
  • the exception processing of the first embodiment may be combined with the exception processing of the third embodiment, or they may stand alone. Such design choices are well within the skills of a person of ordinary skill in the art.
  • the closing of a garage door is immediately suited to the principles of this invention.
  • the garage door "close” button is pressed momentarily, the door in most conventional garage door systems continues to be driven closed until it reaches its fully closed position. That same garage door must be reopened if an obstacle is detected in its path while closing.
  • a vehicle tonneau cover, trunk lid or liftgate may be driven closed in a continuous or "express" mode, with similar need for detecting obstacles and reversing upon their detection.

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  • Power-Operated Mechanisms For Wings (AREA)
  • Window Of Vehicle (AREA)

Claims (4)

  1. Verfahren zum Fahren eines beweglichen flachen Elements (12) von einer geöffneten Position in eine geschlossene Position in einer kontinuierlichen Weise in Reaktion auf einen ersten Befehl zum Schließen, der von einer Eingabevorrichtung (34) an eine Steuerung (24) übermittelt wird, die so beschaffen ist, dass sie die Weise steuert, in der besagtes bewegliches flaches Element (12) durch einen Antriebsmechanismus (22) in die besagte geschlossene Position gefahren wird, und zum automatischen Wiederöffnen des besagten beweglichen flachen Elements (12), wenn auf ein Hindernis, dessen Durchmesser nicht kleiner als ein erstes Maß und nicht größer als ein zweites Maß ist, von besagtem beweglichen flachen Element (12) aufgetroffen wird, wenn es in seine geschlossene Position gefahren wird, wobei das Verfahren folgende Schritte umfasst:
    Ermitteln, ob besagtes bewegliche flache Element (12) in mehr als einem ersten vorgegebenen geringen Abstand von der besagten geschlossenen Position ist, wenn der besagte erste Befehl zum Schließen an die besagte Steuerung (24) übermittelt wird, und
    nur dann Fahren des besagten beweglichen flachen Elements (12) in die besagte geschlossene Position in der besagten kontinuierlichen Weise, wenn das besagte bewegliche flache Element (12) in einem größeren als dem besagten ersten vorgegebenen geringen Abstand von der besagten geschlossenen Position ist, wobei der besagte erste vorgegebene geringe Abstand mindestens gleich groß wie das besagte zweite Maß ist.
  2. Verfahren nach Anspruch 1, wobei, wenn das besagte bewegliche flache Element (12) innerhalb des besagten ersten vorgegebenen geringen Abstands ist, wenn der besagte erste Befehl an die besagte Steuerung (24) übermittelt wird, festgestellt wird, ob ein zweites Signal von der besagten Eingabevorrichtung (34) an die besagte Steuerung (24) übermittelt wird, und das besagte bewegliche flache Element (12) nur dann in die besagte geschlossene Position gefahren wird, wenn das besagte zweite Signal von der besagten Eingabevorrichtung (34) an die besagte Steuerung (24) übertragen wird.
  3. Verfahren nach Anspruch 2, bei dem das besagte bewegliche flache Element (12) nur in die besagte geschlossene Position gefahren wird, wenn das besagte zweite Signal von der besagten Eingabevorrichtung (34) an die besagte Steuerung (24) übermittelt wird.
  4. Verfahren nach Anspruch 1, bei dem, wenn das besagte bewegliche flache Element (12) innerhalb des besagten ersten vorgegebenen geringen Abstands ist, wenn der besagte erste Befehl an die besagte Steuerung (24) übermittelt wird, das besagte bewegliche flache Element (12) erst in einen zweiten geringen Abstand von besagter geschlossener Position gefahren wird, wobei der besagte zweite geringe Abstand mindestens so groß ist wie der besagte erste vorgegebene geringe Abstand, und das besagte bewegliche flache Element (12) anschließend in besagter kontinuierlicher Weise vom besagten zweiten geringen Abstand in die besagte geschlossene Position gefahren wird.
EP01914622A 2000-03-02 2001-03-02 Schnell-auf/ab-kraftfahrzeugfenstersystem und verfahren Revoked EP1259692B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18658000P 2000-03-02 2000-03-02
US18658100P 2000-03-02 2000-03-02
US186580P 2000-03-02
US186581P 2000-03-02
PCT/US2001/006681 WO2001065044A1 (en) 2000-03-02 2001-03-02 'express up' vehicle window system and method

Publications (2)

Publication Number Publication Date
EP1259692A1 EP1259692A1 (de) 2002-11-27
EP1259692B1 true EP1259692B1 (de) 2005-08-31

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EP01914622A Revoked EP1259692B1 (de) 2000-03-02 2001-03-02 Schnell-auf/ab-kraftfahrzeugfenstersystem und verfahren

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EP (1) EP1259692B1 (de)
JP (1) JP2003525370A (de)
DE (1) DE60113067T2 (de)
WO (1) WO2001065044A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8493081B2 (en) 2009-12-08 2013-07-23 Magna Closures Inc. Wide activation angle pinch sensor section and sensor hook-on attachment principle
US9234979B2 (en) 2009-12-08 2016-01-12 Magna Closures Inc. Wide activation angle pinch sensor section

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1019010C2 (nl) * 2001-09-21 2003-03-25 Nedap Nv Besturingsinrichting en werkwijze voor het detecteren van een inknelling door een elektrisch raam of schuifdak van een voertuig.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2013428A (en) * 1978-01-25 1979-08-08 Tekron Patents Ltd Circuits for electric window winders for vehicles
EP0751274A1 (de) 1995-06-30 1997-01-02 Siemens Aktiengesellschaft Stellantrieb
DE19633941C2 (de) 1996-08-22 1998-12-10 Siemens Ag Stellantrieb, insbesondere Elektromotor-Getriebe-Antrieb
DE19829209C2 (de) 1998-06-30 2001-05-03 Siemens Ag Stellantrieb, insbesondere Fensterheber- bzw. Schiebedachantrieb für ein Kraftfahrzeug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8493081B2 (en) 2009-12-08 2013-07-23 Magna Closures Inc. Wide activation angle pinch sensor section and sensor hook-on attachment principle
US9234979B2 (en) 2009-12-08 2016-01-12 Magna Closures Inc. Wide activation angle pinch sensor section
US9417099B2 (en) 2009-12-08 2016-08-16 Magna Closures Inc. Wide activation angle pinch sensor section

Also Published As

Publication number Publication date
DE60113067T2 (de) 2006-06-29
JP2003525370A (ja) 2003-08-26
WO2001065044A1 (en) 2001-09-07
DE60113067D1 (de) 2005-10-06
EP1259692A1 (de) 2002-11-27

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