DE19952590A1 - Method for operating the top of a motor vehicle - Google Patents
Method for operating the top of a motor vehicleInfo
- Publication number
- DE19952590A1 DE19952590A1 DE1999152590 DE19952590A DE19952590A1 DE 19952590 A1 DE19952590 A1 DE 19952590A1 DE 1999152590 DE1999152590 DE 1999152590 DE 19952590 A DE19952590 A DE 19952590A DE 19952590 A1 DE19952590 A1 DE 19952590A1
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic
- displacement sensor
- sensor
- evaluated
- output signal
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
- B60J7/12—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position foldable; Tensioning mechanisms therefor, e.g. struts
- B60J7/1226—Soft tops for convertible vehicles
- B60J7/1265—Soft tops for convertible vehicles characterised by kinematic movements, e.g. using parallelogram linkages
- B60J7/1269—Soft tops for convertible vehicles characterised by kinematic movements, e.g. using parallelogram linkages with remote power control
- B60J7/1273—Soft tops for convertible vehicles characterised by kinematic movements, e.g. using parallelogram linkages with remote power control using hydraulic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
In bestimmten Fällen wird die Bewegung von beweglichen mechanischen Teilen mittels Hydrauliksystemen realisiert; insbesondere werden solche mechanischen Teile hydraulisch bewegt, für deren Bewegung eine hohe Betätigungskraft erforder lich ist und/oder für die nur ein geringes Einbauvolumen zur Verfügung steht. Aus diesen Gründen werden zur Betätigung des Verdecks von Kraftfahrzeugen meist Hydrauliksysteme eingesetzt.In certain cases, the movement of moving mechanical parts realized by means of hydraulic systems; in particular, such mechanical Parts moved hydraulically, which require a high actuation force to move Lich and / or for which only a small installation volume is available. Out These reasons are mostly used to operate the top of motor vehicles Hydraulic systems used.
Hydrauliksysteme bestehen aus einer Hydraulikpumpe zur Bereitstellung von Drüc ken und einer bestimmten Fördermenge an Hydraulikmedium (bsp. Wasser oder Öl), und einem Verteilungssystem aus mit dem Hydraulikmedium gefüllten Hydrauliklei tungen, Verteilern und Hydraulikventilen zur gezielten Umleitung des Hydraulikme diums. An die Hydraulikleitungen sind bewegliche Hydraulikelemente angeschlossen (bsp. Hydraulikzylinder), die in der Regel aus einer beweglichen Komponente (bsp. einem Kolben), einer Buchse, einem als Kammer bezeichneten Volumen zwischen der beweglichen Komponente und der Buchse, einer Dichtung und einer Reibbremse bestehen. Zur Ansteuerung der Hydraulikelemente werden die Hydraulikventile mit elektrischen Signalen (Logiksignalen) beaufschlagt, wodurch die Druckverteilung geändert wird, so daß sich die beweglichen Komponenten der Hydraulikelemente in die gewünschte Richtung bewegen.Hydraulic systems consist of a hydraulic pump to provide pressure and a certain flow rate of hydraulic medium (e.g. water or oil), and a distribution system made of hydraulic fluid filled with the hydraulic medium lines, distributors and hydraulic valves for targeted diversion of the hydraulic meter diums. Movable hydraulic elements are connected to the hydraulic lines (e.g. hydraulic cylinders), which usually consist of a moving component (e.g. a piston), a bushing, a volume called a chamber between the movable component and the bushing, a seal and a friction brake consist. The hydraulic valves are used to control the hydraulic elements electrical signals (logic signals) are applied, which causes the pressure distribution is changed so that the moving components of the hydraulic elements in move the desired direction.
Zur Steuerung und/oder Kontrolle der Bewegungsabläufe bei der Betätigung des Verdecks des Kraftfahrzeugs sollten dessen aktuelle Position und daher auch die aktuellen Positionen der die Bewegung des Verdecks bewerkstelligenden Hydraulik elemente bekannt sein. Hierzu werden üblicherweise Endschalter eingesetzt, die beim Erreichen und/oder beim Überfahren einer bestimmten Position betätigt wer den und somit insbesondere die Endposition der Hydraulikelemente erfassen kön nen. Hierdurch ist jedoch nur eine ungenaue Positionsbestimmung und damit Ab laufsteuerung möglich, zudem ist der Einsatz von Endschaltern mit einem hohen Aufwand, hohen Kosten, einem hohen Platzbedarf (großer Bauraum) und einer hohen Störanfälligkeit verbunden.To control and / or control the movement sequences when operating the Convertible top of the motor vehicle should be its current position and therefore also the current positions of the hydraulic system which manages the movement of the convertible top elements to be known. Limit switches are usually used for this purpose who is actuated when reaching and / or when crossing a certain position the and thus in particular the end position of the hydraulic elements nen. However, this is only an inaccurate position determination and thus Ab run control possible, also the use of limit switches with a high Effort, high costs, a high space requirement (large installation space) and a high Susceptibility to failure connected.
Der Erfindung liegt die Aufgabe zugrunde, ein einfaches Verfahren zur Betätigung des Verdecks eines Kraftfahrzeugs mit vorteilhaften Eigenschaften bezüglich der Zuverlässigkeit, der Kosten und des Herstellungsaufwands anzugeben.The invention has for its object a simple method of actuation the hood of a motor vehicle with advantageous properties in terms of Reliability, cost and manufacturing costs.
Diese Aufgabe wird gemäß der Erfindung durch die Merkmale im Kennzeichen des Patentanspruchs 1 gelöst.This object is achieved according to the invention by the features in the characteristic of Claim 1 solved.
Vorteilhafte Ausgestaltungen der Erfindung sind Bestandteil der weiteren Patentan sprüche.Advantageous embodiments of the invention are part of the further patent claims.
Beim vorgestellten Verfahren werden zur Erfassung der Position (und damit auch der Bewegung) der die Betätigung des Verdecks bewerkstelligenden Hydraulikelemente (Hydraulikzylinder) als Wegaufnehmer ausgebildete Sensoren eingesetzt. Ein derar tiger Sensor ist jeweils an einem Hydraulikelement angeordnet oder in einem Hy draulikelement integriert, so daß bei jeder Betätigung eines beliebigen Hydraulike lements durch den diesem Hydraulikelement zugeordneten Sensor ein entspre chendes Sensorsignal erzeugt wird. Der Sensor wird mit einem bestimmten Ein gangssignal beaufschlagt, bsp. mit einer vorgegebenen Eingangsspannung oder ei ner vorgegebenen Eingangsfrequenz. Bei einer Bewegung des Hydraulikelements wird die Kopplung zwischen Hydraulikelement und Sensor beeinflußt, so daß der Sensor abhängig von der Bewegung des Hydraulikelements ein bestimmtes (analo ges oder digitales) Ausgangssignal liefert (bsp. eine bestimmte Ausgangsspannung oder eine bestimmte Ausgangsfrequenz). Anhand dieses Ausgangssignals wird von einer Steuereinheit (ggf. mit Kenntnis der von der Steuereinheit vorgegebenen An steuerrichtung für das Hydraulikelement) die Auslenkung und damit die Position des Hydraulikelements und damit auch des Verdecks Teils ermittelt.In the presented method, the position (and thus also the Movement) of the hydraulic elements which actuate the top (Hydraulic cylinder) sensors designed as displacement transducers. A derar term sensor is arranged on a hydraulic element or in a Hy Integrated draulic element, so that every time you press any hydraulic elements by the sensor assigned to this hydraulic element appropriate sensor signal is generated. The sensor is with a certain on applied to the signal, e.g. with a given input voltage or egg ner predetermined input frequency. When the hydraulic element moves the coupling between the hydraulic element and the sensor is influenced, so that the Sensor depending on the movement of the hydraulic element a certain (analog total or digital) output signal provides (e.g. a certain output voltage or a specific output frequency). Based on this output signal from a control unit (possibly with knowledge of the type specified by the control unit control direction for the hydraulic element) the deflection and thus the position of the Hydraulic elements and thus also the top part determined.
Als Sensoren können bsp. kapazitive, magnetische oder magnetostriktive Wegauf nehmer eingesetzt werden, die den gesamten möglichen Bereich bei der Bewegung des Hydraulikelements erfassen können. Die Auswertung des Ausgangssignals kann je nach Art des vorgegebenen Eingangssignals auf verschiedene Weise erfolgen; bei einer Ausgangsspannung bsp. durch analoge Auswertung des Spannungspegels der Ausgangsspannung, bei einer Ausgangsfrequenz bsp. durch digitale Auswertung der Zeit zwischen zwei Flanken im Ausgangssignal.For example, capacitive, magnetic or magnetostrictive way up participants are used to cover the entire possible area when moving of the hydraulic element. The evaluation of the output signal can depending on the type of input signal given in different ways; at an output voltage e.g. through analog evaluation of the voltage level of the Output voltage, for example at an output frequency. through digital evaluation of the Time between two edges in the output signal.
Bei einer Aktivierung der Steuereinheit werden die Sensorsignale eingelesen und während der Aktivierungsphase der Steuereinheit zyklisch ausgewertet; hierdurch sind die genauen Positionen der Hydraulikelemente zu jedem Zeitpunkt der Betäti gung des Verdecks bekannt, so daß hieraus auch die Position des Verdecks zu je dem Zeitpunkt ermittelt werden kann. Bei Kenntnis der genauen Positionen des Verdecks und/oder der Hydraulikelemente können unzulässige Ansteuerungen oder Bewegungen erkannt werden sowie (ggf. ungewollte) Bewegungsänderungen des Verdecks und/oder von Hydraulikelementen im drucklosen Zustand (d. h. ohne ein Anlegen von Steuersignalen) und mißbräuchliche Betätigungen ermittelt werden. Weiterhin kann aufgrund der kurzen Reaktionszeiten ein sehr präzises Abbild des Verfahrensablaufs gewonnen und eine präzise Ablaufsteuerung oder eine Ablaufre gelung vorgenommen werden (bsp. durch Variation der Leistung der Hydraulikpum pe) und hiermit der zeitliche Ablauf der Betätigung des Verdecks an bestimmte Vor gaben angepaßt werden; bsp. können hierdurch die Endpositionen des Verdecks mit einer gewünschten Geschwindigkeit angefahren werden (bsp. zur Realisierung eines sanften Anlaufs und/oder sanften Stopps des Verdecks) oder Vorgaben für die Ab laufgeschwindigkeit der Verdeckverstellung realisiert werden. Bei einer präzisen Ablaufsteuerung (gezielte Ansteuerung der Hydraulikpumpe und gezielte Vorgabe der Verstellgeschwindigkeit der Hydraulikelemente) kann darüber hinaus ein Ein klemmschutz und eine Leckageerkennung (Erkennung von Lecks in den Hydrau likleitungen des Hydrauliksystems) vorgesehen werden. Das Verfahren ist stö runempfindlich, da sich externe äußere Einflüsse (bsp. thermische oder mechani sche Einflüsse) zwar auf die Geschwindigkeit der Bewegung der Hydraulikelemente, nicht jedoch auf den auf Grundlage der Ausgangssignale der Sensoren basierenden Verfahrensablauf auswirken.When the control unit is activated, the sensor signals are read in and evaluated cyclically during the activation phase of the control unit; hereby are the exact positions of the hydraulic elements at all times during operation supply of the convertible top is known, so that from this also the position of the convertible top the time can be determined. Knowing the exact positions of the Convertible tops and / or the hydraulic elements can trigger impermissible controls or Movements are recognized as well as (possibly unwanted) changes in movement of the Convertible tops and / or hydraulic elements in the depressurized state (i.e. without one Application of control signals) and abusive operations. Furthermore, due to the short response times, a very precise image of the Process flow won and a precise sequence control or a sequence re be made (e.g. by varying the power of the hydraulic pump pe) and hereby the chronological sequence of the operation of the convertible top on certain days were adjusted; E.g. can thereby the end positions of the top with a desired speed can be approached (e.g. to implement a soft start and / or soft stop of the convertible top) or specifications for the down running speed of the convertible top can be realized. With a precise Sequence control (targeted control of the hydraulic pump and targeted specification the adjustment speed of the hydraulic elements) can also be an on Pinch protection and leak detection (detection of leaks in the hydraulic hydraulic system). The procedure is disruptive sensitive to external external influences (e.g. thermal or mechanical influences) on the speed of the movement of the hydraulic elements, but not based on the output signals of the sensors Impact process flow.
Beim vorgestellten Verfahren kann vorteilhafterweise die Position bzw. Bewegung mehrerer Hydraulikelemente und damit des Verdecks des Kraftfahrzeugs mit gerin gen Kosten auf einfache Weise mit hoher Störunempfindlichkeit zuverlässig und präzise erfaßt werden, und hierdurch eine harmonische Ablaufsteuerung bei der Betätigung des Verdecks realisiert werden.In the method presented, the position or movement can advantageously several hydraulic elements and thus the top of the motor vehicle with small against costs in a simple manner with high immunity to interference be precisely recorded, and thereby a harmonious sequence control in the Actuation of the convertible top can be realized.
Das System soll im folgenden anhand eines Ausführungsbeispiels beschrieben wer den.The system will be described below using an exemplary embodiment the.
Hierzu ist in der Figur ein Prinzipschaltbild eines Hydrauliksystems dargestellt.For this purpose, a basic circuit diagram of a hydraulic system is shown in the figure.
Gemäß der Figur besteht das Hydrauliksystem 1 aus der von einem Elektromotor 2 angetriebenen Hydraulikpumpe 3 zur Bereitstellung von Drücken und einer be stimmten Fördermenge an Hydraulikmedium 4, aus einem Verteilungssystem 5 mit Hydraulikleitungen 6, in denen bsp. ein Hydrauliköl als Hydraulikmedium 4 transpor tiert wird, mit Verteilern 7 (Abzweigern) und mit Hydraulikventilen 8 zur gezielten Umleitung des Hydraulikmediums 4 und damit zur gezielten Ansteuerung mehrerer bsp. als Hydraulikzylinder ausgebildeten beweglichen Hydraulikelemente 9. Das Hydraulikmedium 4 ist in einem bsp. als Tank ausgebildeten Vorratsbehälter 15 auf bewahrt und wird vom Tank 15 über die Hydraulikpumpe 3 und die Hydraulikleitun gen 17, 6 an die beweglichen Hydraulikelemente 9 transportiert und von den be weglichen Hydraulikelementen 9 über die Hydraulikleitungen 6 und die Rückleitung 16 wieder dem Tank 15 zugeführt. Die Hydraulikzylinder 9 bestehen bsp. aus einer beweglichen Komponente 10 (bsp. einem Kolben), einer Buchse 11, einer An schlagdrossel, einer Dichtung 12 und einer Reibbremse. Die Hydraulikzylinder 9 werden differentiell angesteuert, indem ein Teilbereich 13 der Hydraulikzylinder 9 mit der kleineren wirksamen Fläche ständig an die als gemeinsame Versorgungslei tung ausgebildete Hydraulikleitung 17 angeschlossen ist und somit ständig mit dem Versorgungsdruck beaufschlagt wird, wodurch die eingefahrene Position als Vor zugslage der Hydraulikzylinder 9 festgelegt wird. Zur Ansteuerung der Hydraulikzy linder 9 werden die Hydraulikventile 8 mit elektrischen Signalen (Logiksignalen) be aufschlagt, wodurch die Druckverteilung am Hydraulikzylinder 9 geändert wird (ins besondere die Druckverteilung zwischen dem Teilbereich 13 der Hydraulikzylinder 9 mit der kleineren wirksamen Fläche und dem Teilbereich 14 der Hydraulikzylinder 9 mit der größeren wirksamen Fläche) und der Hydraulikzylinder 9 somit in die ge wünschte Richtung bewegt wird; insbesondere werden die Hydraulikzylinder 9 beim Beaufschlagen der Hydraulikventile 8 mit Steuersignalen aus der Vorzugslage aus gefahren und bei Wegnahme der Steuersignale wieder in die Vorzugslage eingefah ren.According to the figure, the hydraulic system 1 consists of the hydraulic pump 3 driven by an electric motor 2 to provide pressures and a specific delivery volume of hydraulic medium 4 , from a distribution system 5 with hydraulic lines 6 , in which, for example. a hydraulic oil is transported as a hydraulic medium 4 , with distributors 7 (branches) and with hydraulic valves 8 for the targeted diversion of the hydraulic medium 4 and thus for the targeted control of several example. Movable hydraulic elements 9 designed as hydraulic cylinders. The hydraulic medium 4 is in an example. designed as a tank reservoir 15 retains and is transported from the tank 15 via the hydraulic pump 3 and the Hydraulikleitun gene 17, 6 to the movable hydraulic elements 9 and by the be moveable hydraulic elements 9 via the hydraulic lines 6 and the return line 16 is returned to the tank 15 °. The hydraulic cylinders 9 exist, for example. from a movable component 10 (for example a piston), a bushing 11 , a throttle valve, a seal 12 and a friction brake. The hydraulic cylinders 9 are actuated differentially by a portion 13 of the hydraulic cylinder 9 with the smaller effective area is continuously connected to the hydraulic line 17 designed as a common supply line and is thus constantly pressurized with the supply pressure, so that the retracted position as the preferred position of the hydraulic cylinder 9 is set. To control the Hydraulikzy cylinder 9 , the hydraulic valves 8 are opened with electrical signals (logic signals), whereby the pressure distribution on the hydraulic cylinder 9 is changed (in particular the pressure distribution between the partial area 13 of the hydraulic cylinder 9 with the smaller effective area and the partial area 14 of the hydraulic cylinder 9 with the larger effective area) and the hydraulic cylinder 9 is thus moved in the desired direction ge; in particular, the hydraulic cylinders 9 are driven when the hydraulic valves 8 are supplied with control signals from the preferred position and are retracted into the preferred position when the control signals are removed.
Für jeden Hydraulikzylinder 9 ist ein als restriktiver Wegaufnehmer ausgebildeter Sensor 18 vorgesehen, der in der hohlgebohrten Kolbenstange des Kolbens 10 des Hydraulikzylinders 9 integriert ist. Die Sensoren 18 werden als Eingangssignal mit einer Eingangsspannung beaufschlagt, bsp. mit der Versorgungsspannung von bsp. 5 V. Bei einer Bewegung der Hydraulikzylinder 9 ändert sich die magnetische Kopp lung zwischen dem Sensor 18 und dem Hydraulikzylinder 9, so daß sich das Aus gangssignal des Sensors 18 (die Ausgangsspannung des Sensors 18) verändert. Das Ausgangssignal der Sensoren 18 (das Sensorsignal) wird bsp. durch eine am Boden des Kolbens 10 des Hydraulikzylinders 9 angeordnete und mit dem Sensor 18 ver bundene Auswerteeinheit oder Steuereinheit analog ausgewertet und hieraus die Bewegung der Hydraulikzylinder 9 ermittelt und damit die Position des Verdecks des Kraftfahrzeugs bestimmt.For each hydraulic cylinder 9 , a sensor 18 designed as a restrictive displacement sensor is provided, which is integrated in the hollow-bore piston rod of the piston 10 of the hydraulic cylinder 9 . The sensors 18 are supplied with an input voltage as an input signal, e.g. with the supply voltage of ex. 5 V. With a movement of the hydraulic cylinder 9 , the magnetic coupling between the sensor 18 and the hydraulic cylinder 9 changes , so that the output signal from the sensor 18 (the output voltage of the sensor 18 ) changes. The output signal of the sensors 18 (the sensor signal) is ex. by an arranged at the bottom of the piston 10 of the hydraulic cylinder 9 and ver connected to the sensor 18 evaluation unit or control unit is evaluated analogously and from this the movement of the hydraulic cylinder 9 is determined and thus determines the position of the top of the motor vehicle.
Beispielsweise ist zur Betätigung des Verdecks eines Kraftfahrzeugs ein Hydraulik system 1 mit 7 Hydraulikzylindern 9 zur Betätigung unterschiedlicher mechanisch beweglicher Teile (Heckdeckel, Kofferraumklappe, Kofferraum etc.), 7 Hydraulikven tilen 8 (Magnetventilen) zur sukzessiven Ansteuerung der Hydraulikzylinder 9, eine als Kolbenpumpe ausgebildete Hydraulikpumpe 3 mit einem Maximaldruck von 350 bar und einem als Hydrauliköl ausgebildeten und in Hydraulikleitungen 6 fließenden Hydraulikmedium 4 vorgesehen. Die Hydraulikzylinder 9 besitzen im zweiten Teilbe reich 14 einen Durchmesser von 2 cm und im ersten Teilbereich 14 einen Durch messer von 1 cm sowie eine Länge von 30 cm. Die Hydraulikzylinder 9 besitzen ein Fassungsvermögen von 100 ml Hydrauliköl 4, wobei für alle Hydraulikzylinder 9 des Hydrauliksystems 1 insgesamt ca. 450-500 ml Hydrauliköl 4 vorgesehen ist. Zur Erfassung der Bewegung und der Bewegungsrichtung der Hydraulikzylinder 9 ist für jeden Hydraulikzylinder 9 ein restriktiver Wegaufnehmer 18 vorgesehen, der jeweils in der hohlgebohrten Kolbenstange des Kolbens 10 des Hydraulikzylinders 9 inte griert ist und dessen Ausgangsspannung durch eine am Boden des Kolbens 10 des Hydraulikzylinders 9 angeordnete Auswerteeinheit analog ausgewertet wird. Bsp. For example, to actuate the top of a motor vehicle, a hydraulic system 1 with 7 hydraulic cylinders 9 for actuating different mechanically movable parts (boot lid, trunk lid, trunk, etc.), 7 hydraulic valves 8 (solenoid valves) for successively actuating the hydraulic cylinders 9 , one designed as a piston pump Hydraulic pump 3 with a maximum pressure of 350 bar and a hydraulic medium 4 designed as hydraulic oil and flowing in hydraulic lines 6 is provided. The hydraulic cylinders 9 are in the second rich Teilbe 14 has a diameter of 2 cm and a cm in the first portion 14 diameter of 1 cm and a length of 30th The hydraulic cylinders 9 have a capacity of 100 ml of hydraulic oil 4 , with a total of approximately 450-500 ml of hydraulic oil 4 being provided for all hydraulic cylinders 9 of the hydraulic system 1 . For detecting the movement and the direction of movement of the hydraulic cylinder 9, a restrictive position transducer 18 is provided for each hydraulic cylinder 9 of the hydraulic cylinder is in the hollowed piston rod of the piston 10 9 system that is integrated in each case and whose output voltage is arranged by the bottom of the piston 10 of the hydraulic cylinder 9 Evaluation unit is evaluated analogously. E.g.
variiert die Ausgangsspannung des Wegaufnehmers 18 zwischen der Versorgungs spannung von 5 V (voll eingefahrener Zustand des Kolbens 10 und damit des Hy draulikzylinders 9) und 0 V (voll ausgefahrener Zustand des Kolbens 10 und damit des Hydraulikzylinders 9).the output voltage of the displacement transducer 18 varies between the supply voltage of 5 V (fully retracted state of the piston 10 and thus the hydraulic cylinder 9 ) and 0 V (fully extended state of the piston 10 and thus the hydraulic cylinder 9 ).
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999152590 DE19952590A1 (en) | 1999-11-02 | 1999-11-02 | Method for operating the top of a motor vehicle |
PCT/EP2000/010544 WO2001032452A2 (en) | 1999-11-02 | 2000-10-26 | Method for operation of a vehicle convertible top |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999152590 DE19952590A1 (en) | 1999-11-02 | 1999-11-02 | Method for operating the top of a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19952590A1 true DE19952590A1 (en) | 2001-05-10 |
Family
ID=7927591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1999152590 Ceased DE19952590A1 (en) | 1999-11-02 | 1999-11-02 | Method for operating the top of a motor vehicle |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE19952590A1 (en) |
WO (1) | WO2001032452A2 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2828519A1 (en) * | 2001-08-09 | 2003-02-14 | Peugeot Citroen Automobiles Sa | Damping device assisting displacement of automobile door comprises piston in cylinder delimiting two chambers, piston activating circuit and piston hydraulic braking circuit |
FR2828518A1 (en) * | 2001-08-09 | 2003-02-14 | Peugeot Citroen Automobiles Sa | Assistance device for helping in the opening or shutting of a motor-vehicle door has a hydraulic piston arrangement that ensures the person using the door has to use only minimal force |
DE10219513C2 (en) * | 2001-05-03 | 2003-12-04 | Actuant Corp | Hydraulic operating device, in particular for a convertible top system of a vehicle |
DE102004009759A1 (en) * | 2004-02-28 | 2005-09-15 | Bayerische Motoren Werke Ag | Automatic drive controlling device for vehicle`s canopy system, has additional control unit to send stop signal to control unit of drive when position sensor recognizes pulling or pressing of canopy by passerby |
DE102005010637A1 (en) * | 2005-03-08 | 2006-09-14 | Bosch Rexroth Aktiengesellschaft | Method of protection against pinching and anti-trap device |
DE102005028201A1 (en) * | 2005-05-19 | 2006-11-23 | Bosch Rexroth Aktiengesellschaft | operation assembly |
DE102005058921A1 (en) * | 2005-12-09 | 2007-06-14 | Webasto Ag | Vehicle roof system e.g. cabriolet convertible soft top system, operating device, has electronic control unit correcting synchronous movement in case of detection of deviation of movement from preset reference movement |
DE102006001471A1 (en) * | 2006-01-09 | 2007-07-12 | Rausch & Pausch Gmbh | Convertible roof`s position determining and controlling device for vehicle, has control unit regulatively engaging in protection frame during movement of motors that are individually controllable on left and right sides of roof or vehicle |
DE102006001472A1 (en) * | 2006-01-09 | 2007-07-12 | Rausch & Pausch Gmbh | Device for determining and controlling the position of a convertible roof |
DE102006013924A1 (en) * | 2006-03-23 | 2007-09-27 | Rausch & Pausch Gmbh | Arrangement for controlling the movement of pivotable vehicle parts |
DE102007020720A1 (en) * | 2007-05-03 | 2008-11-06 | Wilhelm Karmann Gmbh | Drive system for hard top of convertible car has control unit which directly reports position of hard top from volume flow information provided by volume flow sensor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1392539B1 (en) * | 2001-06-01 | 2009-12-02 | Bayerische Motoren Werke Aktiengesellschaft | System for opening and closing a folding top or displaceable vehicle roof on a convertible vehicle |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3031779A1 (en) * | 1980-08-21 | 1982-03-25 | Joachim Ing.(grad.) 1000 Berlin Hammer | DEVICE FOR RELEASING A FUNCTION AT A PRESET POSITION OF A PISTON DRIVED BY A PRESSURE MEDIUM |
DE3036485A1 (en) * | 1980-09-27 | 1982-05-19 | Bergwerksverband Gmbh, 4300 Essen | Hydraulic ram for mining machinery - has internal detector for length-measurement device between fixed and moving members |
DE3424461A1 (en) * | 1983-07-05 | 1985-01-24 | Kabushiki Kaisha Tokyo Koki Seizosho, Tokio/Tokyo | ACTUATING DEVICE |
DE3410534C2 (en) * | 1984-03-22 | 1988-12-01 | Feinmechanische Werke Mainz Gmbh, 6500 Mainz, De | |
DE9305481U1 (en) * | 1993-04-10 | 1993-07-29 | Greschbach Industrie GmbH & Co. KG, 79336 Herbolzheim | Hydraulic telescopic cylinder |
DE9412435U1 (en) * | 1994-08-02 | 1994-09-29 | Festo Kg, 73734 Esslingen | Working cylinder |
DE19629065A1 (en) * | 1995-08-01 | 1997-02-06 | Hoerbiger Gmbh | Hydraulic drive for vehicle folding roof |
DE19704938A1 (en) * | 1997-02-10 | 1998-08-20 | Hausach Umformtechnik | Piston position indicating device |
DE19752535A1 (en) * | 1997-11-27 | 1999-06-10 | Daimler Chrysler Ag | Actuator |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58174701A (en) * | 1982-04-07 | 1983-10-13 | Diesel Kiki Co Ltd | Hydraulic actuator device |
DE4203192A1 (en) * | 1992-02-05 | 1993-08-12 | Bosch Gmbh Robert | WORKING CYLINDER WITH A PISTON TRAY SENSOR |
-
1999
- 1999-11-02 DE DE1999152590 patent/DE19952590A1/en not_active Ceased
-
2000
- 2000-10-26 WO PCT/EP2000/010544 patent/WO2001032452A2/en active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3031779A1 (en) * | 1980-08-21 | 1982-03-25 | Joachim Ing.(grad.) 1000 Berlin Hammer | DEVICE FOR RELEASING A FUNCTION AT A PRESET POSITION OF A PISTON DRIVED BY A PRESSURE MEDIUM |
DE3036485A1 (en) * | 1980-09-27 | 1982-05-19 | Bergwerksverband Gmbh, 4300 Essen | Hydraulic ram for mining machinery - has internal detector for length-measurement device between fixed and moving members |
DE3424461A1 (en) * | 1983-07-05 | 1985-01-24 | Kabushiki Kaisha Tokyo Koki Seizosho, Tokio/Tokyo | ACTUATING DEVICE |
DE3410534C2 (en) * | 1984-03-22 | 1988-12-01 | Feinmechanische Werke Mainz Gmbh, 6500 Mainz, De | |
DE9305481U1 (en) * | 1993-04-10 | 1993-07-29 | Greschbach Industrie GmbH & Co. KG, 79336 Herbolzheim | Hydraulic telescopic cylinder |
DE9412435U1 (en) * | 1994-08-02 | 1994-09-29 | Festo Kg, 73734 Esslingen | Working cylinder |
DE19629065A1 (en) * | 1995-08-01 | 1997-02-06 | Hoerbiger Gmbh | Hydraulic drive for vehicle folding roof |
DE19704938A1 (en) * | 1997-02-10 | 1998-08-20 | Hausach Umformtechnik | Piston position indicating device |
DE19752535A1 (en) * | 1997-11-27 | 1999-06-10 | Daimler Chrysler Ag | Actuator |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10219513C2 (en) * | 2001-05-03 | 2003-12-04 | Actuant Corp | Hydraulic operating device, in particular for a convertible top system of a vehicle |
FR2828518A1 (en) * | 2001-08-09 | 2003-02-14 | Peugeot Citroen Automobiles Sa | Assistance device for helping in the opening or shutting of a motor-vehicle door has a hydraulic piston arrangement that ensures the person using the door has to use only minimal force |
FR2828519A1 (en) * | 2001-08-09 | 2003-02-14 | Peugeot Citroen Automobiles Sa | Damping device assisting displacement of automobile door comprises piston in cylinder delimiting two chambers, piston activating circuit and piston hydraulic braking circuit |
DE102004009759A1 (en) * | 2004-02-28 | 2005-09-15 | Bayerische Motoren Werke Ag | Automatic drive controlling device for vehicle`s canopy system, has additional control unit to send stop signal to control unit of drive when position sensor recognizes pulling or pressing of canopy by passerby |
DE102004009759B4 (en) * | 2004-02-28 | 2005-12-29 | Bayerische Motoren Werke Ag | Device for controlling an automatic drive of a hood system |
DE102005010637B4 (en) * | 2005-03-08 | 2007-02-01 | Bosch Rexroth Aktiengesellschaft | Method of protection against pinching and anti-trap device |
DE102005010637A1 (en) * | 2005-03-08 | 2006-09-14 | Bosch Rexroth Aktiengesellschaft | Method of protection against pinching and anti-trap device |
DE102005028201B4 (en) * | 2005-05-19 | 2007-03-22 | Bosch Rexroth Aktiengesellschaft | operation assembly |
DE102005028201A1 (en) * | 2005-05-19 | 2006-11-23 | Bosch Rexroth Aktiengesellschaft | operation assembly |
DE102005028201C5 (en) * | 2005-05-19 | 2009-09-17 | Wilhelm Karmann Gmbh | operation assembly |
DE102005058921A1 (en) * | 2005-12-09 | 2007-06-14 | Webasto Ag | Vehicle roof system e.g. cabriolet convertible soft top system, operating device, has electronic control unit correcting synchronous movement in case of detection of deviation of movement from preset reference movement |
DE102005058921B4 (en) * | 2005-12-09 | 2014-07-31 | Webasto Ag | Device and method for actuating an openable vehicle roof system |
DE102006001471A1 (en) * | 2006-01-09 | 2007-07-12 | Rausch & Pausch Gmbh | Convertible roof`s position determining and controlling device for vehicle, has control unit regulatively engaging in protection frame during movement of motors that are individually controllable on left and right sides of roof or vehicle |
DE102006001472A1 (en) * | 2006-01-09 | 2007-07-12 | Rausch & Pausch Gmbh | Device for determining and controlling the position of a convertible roof |
DE102006001471B4 (en) * | 2006-01-09 | 2007-11-08 | Rausch & Pausch Gmbh | Device for determining and controlling the position of a convertible roof |
DE102006001472B4 (en) * | 2006-01-09 | 2010-07-08 | Rausch & Pausch Gmbh | Device for determining and controlling the position of a convertible roof |
DE102006013924A1 (en) * | 2006-03-23 | 2007-09-27 | Rausch & Pausch Gmbh | Arrangement for controlling the movement of pivotable vehicle parts |
DE102006013924B4 (en) * | 2006-03-23 | 2014-09-11 | Rausch & Pausch Gmbh | Arrangement and method for controlling the movement of swiveling vehicle parts |
DE102007020720A1 (en) * | 2007-05-03 | 2008-11-06 | Wilhelm Karmann Gmbh | Drive system for hard top of convertible car has control unit which directly reports position of hard top from volume flow information provided by volume flow sensor |
Also Published As
Publication number | Publication date |
---|---|
WO2001032452A2 (en) | 2001-05-10 |
WO2001032452A3 (en) | 2001-09-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE10024662B4 (en) | Method for operating an injection valve | |
DE19952590A1 (en) | Method for operating the top of a motor vehicle | |
DE102010000827A1 (en) | fuel injector | |
DE19629065A1 (en) | Hydraulic drive for vehicle folding roof | |
EP3390805A1 (en) | Fuel injection nozzle | |
DE102006055393A1 (en) | Valve for adjusting the speed of a casting cylinder of a die casting machine comprises a stop part which can be adjusted between different stopping positions using a remote-controlled adjusting arrangement | |
DE68920407T2 (en) | Lock cylinder device. | |
DE19951004A1 (en) | Hydraulic regulator esp. for fuel injector for motor vehicles has hydraulic converter between actor and valve member, to reverse actor movement | |
DE19725298A1 (en) | Electronically controllable brake actuation system | |
DE102008004063A1 (en) | Hydraulic drive | |
DE112014000157B4 (en) | Cylinder with shock absorption function | |
DE3107004C2 (en) | Mold clamping device | |
DE10154383A1 (en) | High pressure injection device has contactless valve body displacement sensor arrangement with first section of nozzle needle in pressure chamber, coil connected to supply, acquisition unit | |
EP1613851B1 (en) | Method for determining the individual control voltage of a piezoelectric element | |
DE10045404C2 (en) | Hydraulic valve arrangement | |
WO1987004763A1 (en) | Ram cylinder with an electric sensor for the end position of the piston | |
EP1319846A1 (en) | Sensor system for detecting the positon of moving hydraulic components | |
DE19952591B4 (en) | hydraulic system | |
WO2018072998A1 (en) | Method for determining the pressure in a combustion chamber of an internal combustion engine, fuel injector | |
DE4223433A1 (en) | BRAKE CONTROL DEVICE | |
DE2756240A1 (en) | Safety valve for press fluid drive - has two bores accommodating plugs connected by passages crossing over each other | |
EP1980742B1 (en) | Fuel injector with integrated pressure intensifier | |
DE19912350C2 (en) | Hydraulic slide valve | |
DE19626540C1 (en) | Power-steering for motor vehicle | |
EP0384157B1 (en) | Hydraulically pilotcontrolled two-way-built-in-valve in seat-valve-style |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |