WO2005018967A2 - Systeme d'echappement a mecanisme d'entrainement pivotant - Google Patents

Systeme d'echappement a mecanisme d'entrainement pivotant Download PDF

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Publication number
WO2005018967A2
WO2005018967A2 PCT/EP2004/005894 EP2004005894W WO2005018967A2 WO 2005018967 A2 WO2005018967 A2 WO 2005018967A2 EP 2004005894 W EP2004005894 W EP 2004005894W WO 2005018967 A2 WO2005018967 A2 WO 2005018967A2
Authority
WO
WIPO (PCT)
Prior art keywords
shape memory
vent according
drive element
memory effect
effect
Prior art date
Application number
PCT/EP2004/005894
Other languages
German (de)
English (en)
Other versions
WO2005018967A3 (fr
Inventor
Markus Boehm
Marco Braum
Steve Kober
Original Assignee
Faurecia Innenraum Systeme Gmbh
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 Faurecia Innenraum Systeme Gmbh filed Critical Faurecia Innenraum Systeme Gmbh
Publication of WO2005018967A2 publication Critical patent/WO2005018967A2/fr
Publication of WO2005018967A3 publication Critical patent/WO2005018967A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/3414—Nozzles; Air-diffusers with means for adjusting the air stream direction
    • B60H1/3421—Nozzles; Air-diffusers with means for adjusting the air stream direction using only pivoting shutters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B60H2001/3471—Details of actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data

Definitions

  • the present invention relates to a vent for a vehicle, in particular for ventilation, heating and / or air conditioning of the passenger compartment, and a control device for such a vent.
  • Air vents are known for use in vehicles of various types. They allow fresh, heating and / or cooling air to enter a vehicle interior.
  • air vents have an air outlet element with passages which can be rotated about one or more axes. The direction of the air flow can be selected by aligning the air outlet element.
  • an air vent for the interior of a vehicle in which the air outlet element has a partial area for a diffuse air outlet and a partial area for a larger free air outlet, the type of air outlet being able to be selected by rotating the air outlet element.
  • an instrument panel is also known with a large-area, perforated air outlet surface covering an air duct on one side for diffuse air distribution.
  • the large, perforated air outlet surface forms the top of the instrument panel facing the windscreen. fei.
  • the air outlet surface is connected to an air distribution box, on which there is a perforated air flap for controlling the air flow.
  • Other air supply devices for the vehicle interior that allow diffuse ventilation are known, inter alia, from DE 3908541 C2, DE 1530615 and DE 1909519.
  • Known air vents are generally set manually. However, there are also top-class vents that are actuated by an actuator. For example, from DE-OS 37 17 676 and DE 40 23 124 ventilation nozzles for introducing warm air and / or fresh air from a blow-out opening are known, which have an air guide part made of bimetallic material or memory metal.
  • a disadvantage of previously known air vents for generating a diffuse flow field is that the flow field is not sufficiently diffuse, i. H. is still perceptible as a directed flow field, and / or that the design effort for generating the diffuse flow field is relatively high.
  • the invention is therefore based on the object of providing an improved air vent for a vehicle, as well as an improved instrument panel, a roof lining, an interior trim part, a center console with ventilation function and a control device for a vent.
  • the present invention provides an outflow for a vehicle which has at least one control element for an air outlet opening, and a swivel drive for the control element.
  • the part-turn actuator has a drive element with a shape memory effect if the
  • Shape memory effect of the drive element z. B. by a control unit is solved, the drive element generates due to its shape z. B. a torque which acts on the actuator.
  • the shape memory effect is induced by an electric current being applied to the drive element and the heating, radiation, ultrasound or another energy input taking place due to the current flow.
  • a plurality of lamellar adjusting elements are arranged in a frame structure. This makes it possible to create a large air outlet area, for example in an instrument panel, in a headlining, in an interior trim part or in a center console in a vehicle.
  • the actuating element is pivotally or rotatably attached to a web.
  • a snap connection made of plastic is preferably used for the pivotable fastening of the adjusting element to the web.
  • the drive element is also fastened to the web.
  • the drive element is preferably attached to the web by two electrically conductive snap connections, via which a current can flow through at least a partial area of the drive element.
  • the temperature-inducible shape memory effect of the drive element can be triggered by switching on the electric current and the associated temperature increase.
  • the drive element has a rod-shaped torsion area which has the shape memory effect.
  • the shape memory effect is triggered, the opposite end regions of the rod-shaped torsion region rotate by a certain angle. Associated with this is the generation of nes torque, which is used for the swivel drive of the actuator.
  • the drive element has a leg which, for. B. is substantially perpendicular to the rod-shaped torsion area, and via which the torque is transmitted to the actuating element.
  • the leg is connected, for example, with a snap connection to the actuating element.
  • the drive element has a further leg which is essentially perpendicular to the rod-shaped torsion area. This leg serves to absorb the torque generated and preferably forms a stop on the web.
  • the shape memory effect is achieved by using materials with shape memory effect.
  • Corresponding alloys are also referred to as shape memory alloys (SMA). Examples of this are the alloys NiPi and NiTiPb.
  • Further shape memory alloys are known from "alloys with shape memory", Dieter Stöckel, Erhard Hornbogen, Expert Verlag, 1988, ISBN 3-8169-0323-1.
  • conductive plastics as are known from the field of polyelectronics, can also be used. Torsion bars can be made from such shape memory alloys.
  • the shape memory effect is a reversible effect.
  • a one-way effect with an additional mechanical reset device can be used for this.
  • This reversible effect is due to the fact that so-called memory alloys have a much lower strength in the martensitic state than in the high-temperature phase.
  • a material that has a two-way effect.
  • the material With the two-way effect, the material "remembers" both the high-temperature and a low-temperature form.
  • materials with an all-round effect can also be used.
  • the present invention enables the advantageous use of materials with a shape memory effect for realizing an air vent for a vehicle. Due to the use of materials with a shape memory effect, a large-area, diffuse flow field can be created in a cost-effective and constructively simple manner, which the vehicle occupants perceive as particularly pleasant.
  • two drive elements with a one-way effect are provided for a swivel drive. In this case, one of the drive elements is used to move the control element into an open position and the other drive element is used to reset the control element. When resetting, the drive element previously deformed due to the one-way effect is returned to its low-temperature shape due to the resetting.
  • the actuating element is arranged in a frame. At least one end stop is located on the frame in order to create a defined closed position of the actuating element. By actuating the end stop, this releases a pivoting movement of the actuating element to open the air outflow.
  • the end stop preferably consists of a material with a shape change effect, in particular of a bimetal material or a material with a shape memory effect. In this way, the release of the pivoting movement can be controlled by triggering a corresponding change in shape of the end stop.
  • the end stop for controlling it has piezoelectric properties.
  • the end stop can also be displaceable by mechanical means.
  • the invention further relates to a control device for an air vent according to the invention, in particular an air vent with two drive elements with a one-way effect for the swivel drive.
  • the control device is designed to control the drive elements in order to set a desired position of the actuating element.
  • the control device can, for example, be used for an air conditioning system and / or can be used for automatic window defrosting, so-called defrost function.
  • FIG. 1 shows a frame with a plurality of lamellar adjusting elements
  • FIG. 2 shows a perspective rear view of the frame from FIG. 1,
  • FIG. 3 shows a web for the pivotable fastening of a lamellar adjusting element with L-shaped drive elements
  • FIG. 4 shows a perspective view of a preferred embodiment of a drive element with a temperature-inducible shape memory effect
  • FIG. 5 shows a further preferred embodiment of a vent according to the invention with controllable end stops and a control device
  • Figure 6 is a schematic representation of a large air outlet surface of an instrument panel.
  • FIG. 1 shows an outflow 100 with a frame 102 in which four lamellar adjusting elements 104 are arranged.
  • the adjusting elements 104 are each pivotably mounted about their longitudinal axis. Depending on the pivoting position of the adjusting elements 104, the opening in the frame 102 is thereby more or less released in order to regulate the air outflow.
  • the adjusting elements 104 are connected to a swivel drive on their underside, which is based on a temperature-inducible shape memory effect.
  • FIG. 2 shows a rear view of the outflow 100.
  • the actuating element 104 and the web 106 are furthermore coupled to one another via drive elements 108.
  • the drive elements 108 have a temperature-inducible shape memory effect. By triggering the shape memory effect, the drive elements 108 produce a torque, by means of which the actuating element 104 is pivoted into a desired position.
  • FIG. 3 shows a perspective view of a preferred embodiment of a web 106 with two drive elements 110 and 112.
  • the two drive elements 110 and 112 are each essentially L-shaped.
  • the drive element 110 has a rod-shaped torsion area 114 with a temperature-inducible shape memory effect.
  • the drive element 112 also has such a rod-shaped torsion area 116 with a temperature-inducible shape memory effect.
  • the drive elements 110 and 112 preferably consist of a material with a shape memory effect, at least in their torsion regions 114 and 116. If the shape memory effect is triggered by an increase in temperature, the torsion region 114 or 116 in question is rotated by a certain angle.
  • the material of the torsion areas 114 and 116 preferably has a one-way effect, so that the drive element 110 serves to pivot the actuating element (not shown in FIG. 3) in the pivoting direction 118 and the drive element 112 serves to pivot in the opposite pivoting direction 120.
  • the drive element 110 is held by snap hooks 122 and 124, which are fastened to the web 106.
  • the snap hook 124 allows the torsion area 114 to be rotated, while the snap hook 122 fixes the opposite end of the torsion area 114.
  • the snap hook 122 can therefore absorb a torque exerted by the drive element 110 on the actuating element and thus fulfills the function of an abutment.
  • the snap hooks 122 and 124 are preferably electrically conductive. As a result, a circuit can be closed via the snap hook 122, the torsion region 114 and the snap hook 124. If a corresponding current is switched on, for example, by a control unit, the shape memory effect is triggered and thus torsion of the torsion area 114, which causes the torque in the pivoting direction 118 to be exerted on the actuating element.
  • the snap hook 128, fixes the end of the torsion region 116, so that this snap hook 126 can absorb a drive torque of the drive element 112.
  • the snap hooks 126 and 128 are also preferably electrically conductive, so that an electrical circuit can be closed via the snap hooks 126, the torsion region 116 and the snap hooks 128, for example by a control device.
  • the web 106 also has snap hooks 130, 132 and 134 for the pivotable engagement of a lamellar adjusting element 104 (cf. FIGS. 1 and 2).
  • the snap hooks 130, 132 and 134 are preferably made of plastic.
  • the actuating element 104 When the actuating element 104 is snapped into the snap hooks 130, 132 and 134, its pivot position can be set by the drive elements 110 and 112. In order to move the actuating element 104 out of the closed position, the current through the snap hook 122, the torsion area 114 and the snap hook 124 is switched on, for example, so that the shape memory effect is triggered in the torsion area 114. This causes the torsion area 114 to twist, which kel 136 of the drive element 110 is passed on to the actuating element 104.
  • the shape memory effect is triggered in the torsion area 116, in which the circuit is closed via the snap hooks 126, the torsion area 116 and the snap hooks 128.
  • the torque generated by the corresponding rotation of the torsion region 116 acts on the actuating element 104 in the pivoting direction 120 via the leg 138.
  • FIG. 4 shows a preferred embodiment of the drive element 112.
  • the drive element 112 has a leg 138 which is essentially perpendicular to the torsion region 116, so that an L-shape is formed.
  • a leg 140 is arranged on the torsion area 116, which is also essentially perpendicular to the torsion area 116 at a different spatial angle than the leg 138.
  • the leg 140 forms a stop with the web 106 in order to absorb the moment transmitted from the leg 138 to the actuating element 104 when the shape memory effect of the torsion region 116 is triggered.
  • the leg 140 is inserted into a recess in the web 106 in order to fix it there.
  • FIG. 5 shows a further embodiment of the invention, elements of FIG. 5 which correspond to elements of FIGS. 1 to 4 being identified by the same reference numerals.
  • the outflow 100 of the embodiment in FIG. 5 serves to ventilate the interior of a motor vehicle and to defrost a windshield 142.
  • the actuating element 104 of the outflow 100 is moved in the pivoting direction 118 by the drive element 108, while for a ventilation function of the vehicle interior - There is a movement in the pivoting direction 120.
  • the drive element 108 is connected to a control unit 144 via lines 146 and 148.
  • a control device 144 closes a circuit via the lines 146, 148 and the drive element 108, a shape memory effect of the drive element 108 is triggered, by means of which the control element 104 is rotated in the desired pivot direction 118 or 120.
  • the drive element 108 has a two-way effect or an all-round effect. If the one-way effect is used, two drive elements (cf. drive elements 110 and 112 of FIGS. 3 and 4) are preferably provided instead of the drive element 108, which can be controlled by the control unit 144 with corresponding line pairs.
  • End stops 150 and 152 are arranged on the underside of the frame 102 and define a closed position for the actuating element 104.
  • the end stops 150, 152 can be controlled by the control unit 144 via the line pairs 154, 156 or 158, 160.
  • the end stops 150 and 152 consist of a material with a temperature-inducible shape memory effect.
  • end stop 150 and line 156 When power is switched on via line 154, end stop 150 and line 156, end stop 150 moves to the left by a rotational movement in the pivoting direction 118 to release the actuator 104.
  • the end stop 152 moves to the right when a current is switched on via the line 158, the end stop 152 and the line 160, so that a pivoting movement of the actuating element 104 in the pivoting direction 120 is released.
  • the control unit 144 has a control program 162 and an interface 164.
  • the desired control function such as e.g. B. windshield defrosting or ventilation or air conditioning of the vehicle interior entered.
  • the control program 162 then controls the drive element 108 or the drive elements 110 and 112 and the end stops 150 and 152 via the corresponding lines in accordance with the desired function.
  • the control program 162 first switches the current through the drive element 110, i. H. through the snap hook 122, the torsion area 114 and the snap hook 124 (see FIG. 3), so that the actuating element 104 is opened in the pivoting direction 118. To release the pivoting movement in the pivoting direction 118, the program 162 also controls the end stop 150, so that it moves to the left into a release position.
  • the current can be switched off again.
  • the program 162 switches on the current via the snap hook 126, the torsion area 116 and the snap hook 128 in order to trigger the one-way effect in the torsion area 116.
  • the actuating element 104 is pivoted in the pivoting direction 120.
  • the end stop 152 is additionally controlled by the control program 162, so that it moves to the right into a release position in order to enable the pivoting movement of the actuating element 104 in the pivoting direction 120.
  • a circuit is preferably formed via the end stop 150 and the drive element 110, since the end stop 150 and drive element 110 have to be actuated essentially synchronously; separate control lines for the end stop 150 and the drive element 110 can therefore be dispensed with. The same applies to the drive element 112 and the end stop 152.
  • FIG. 6 shows a large-area air outlet surface 166 which is formed on the surface of an instrument panel.
  • the instrument panel has an outflow 100 (cf. FIGS. 1 to 5).
  • the surface skin 168 is along the lines 170 z. B. cut by means of a laser to allow pivoting of the actuating elements 104.
  • the air outlet surface 166 is not or almost not recognizable.
  • the air outlet surface 166 and the outflow 100 are preferably back-foamed, which due to the low overall height of z. B. only 5 mm of the vent can be realized.
  • the surface skin 168 is first glued to the outflow 100 and then the outflow is inserted into a foaming tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • General Details Of Gearings (AREA)

Abstract

La présente invention concerne un système d'échappement pour un véhicule comprenant un élément de réglage (104) pour un courant d'échappement d'air, ainsi qu'un mécanisme d'entraînement pivotant pour cet élément de réglage. Ledit mécanisme d'entraînement pivotant présente un élément d'entraînement (108; 110, 112) qui est à mémoire de forme.
PCT/EP2004/005894 2003-07-23 2004-06-01 Systeme d'echappement a mecanisme d'entrainement pivotant WO2005018967A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10333700A DE10333700B3 (de) 2003-07-23 2003-07-23 Ausströmer mit Schwenkantrieb
DE10333700.8 2003-07-23

Publications (2)

Publication Number Publication Date
WO2005018967A2 true WO2005018967A2 (fr) 2005-03-03
WO2005018967A3 WO2005018967A3 (fr) 2005-10-06

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PCT/EP2004/005894 WO2005018967A2 (fr) 2003-07-23 2004-06-01 Systeme d'echappement a mecanisme d'entrainement pivotant

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DE (2) DE10362008B4 (fr)
WO (1) WO2005018967A2 (fr)

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Publication number Priority date Publication date Assignee Title
DE102004046273B4 (de) * 2004-09-22 2007-01-11 Faurecia Innenraum Systeme Gmbh Vorrichtung für ein Kraftfahrzeug, Ausströmer, Steuerungsgerät und Instrumententafel
DE102004060387B4 (de) * 2004-12-14 2008-09-18 Faurecia Innenraum Systeme Gmbh Defroster für ein Kraftfahrzeug-Innenverkleidungsteil, Instrumententafel und Steuerungsgerät
DE102004060386B4 (de) * 2004-12-14 2010-10-07 Faurecia Innenraum Systeme Gmbh Defrostleiste und Instrumententafel
US7597616B2 (en) * 2006-04-13 2009-10-06 Gm Global Technology Operations, Inc. Active material enabled vents and methods of use
WO2008068027A1 (fr) 2006-12-07 2008-06-12 Behr Gmbh & Co. Kg Installation de chauffage et/ou de climatisation d'un véhicule dotée d'une valve mixte de mélange et de distribution d'air
DE102007045348A1 (de) 2007-09-22 2009-04-02 Rehau Ag + Co. Antriebs-Stelleinrichtung zur Umstellung eines Funktionskörpers zwischen einer Ruhestellung und einer Betriebsstellung
DE102012205148B4 (de) * 2012-03-29 2017-05-24 Bayerische Motoren Werke Aktiengesellschaft Lamellenanordnung
DE102012213513A1 (de) * 2012-07-31 2014-02-06 Behr Gmbh & Co. Kg Luftausströmer
DE102016014132B4 (de) 2016-11-25 2023-02-02 Faurecia Automotive Industrie Auslassvorrichtung
DE102017011180B4 (de) 2017-12-04 2023-11-09 Faurecia lnterieur Industrie Auslassvorrichtung
CN112895850B (zh) * 2021-04-23 2024-08-30 宁波继峰汽车零部件股份有限公司 一种风道隐藏式出风口调节装置及汽车

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DE1530615A1 (de) 1965-09-15 1970-03-26 Daimler Benz Ag Abdeckung zur Innenverkleidung von Fahrzeugen
DE1909519A1 (de) 1969-02-26 1970-09-17 Hoechst Ag Verfahren zum Faerben von Cellulosefasern mit Reaktivfarbstoffen
DE3717676A1 (de) 1987-05-26 1988-12-08 Bayerische Motoren Werke Ag Fahrzeugheiz- oder klimaanlage
DE3908541C2 (fr) 1989-03-16 1992-04-23 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE4023124A1 (de) 1990-07-20 1992-01-23 Daimler Benz Ag Belueftungsduese
DE4338099C2 (de) 1993-11-08 1996-01-25 Daimler Benz Ag Einrichtung zum Zuführen von Luft in die Fahrgastzelle von Fahrzeugen
DE19721831A1 (de) 1997-05-24 1998-11-26 Kammerer Gmbh M Luftausströmer
CA2346260A1 (fr) 1998-10-23 2000-05-04 Magna Mirror Systems Inc. Retroviseur en alliage a memoire de forme

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DIETER STOCKEL, ERHARD HORNBOGEN: "Legierungen mit Formgedachtnis", 1988, EXPERT-VERLAG, ISBN: 3816903231

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Publication number Publication date
DE10362008A1 (de) 2005-06-16
WO2005018967A3 (fr) 2005-10-06
DE10362008B4 (de) 2006-12-07
DE10333700B3 (de) 2004-10-14

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