EP2248245A2 - Dispositif d'actionnement d'un element pour vehicule automobile - Google Patents
Dispositif d'actionnement d'un element pour vehicule automobileInfo
- Publication number
- EP2248245A2 EP2248245A2 EP09720220A EP09720220A EP2248245A2 EP 2248245 A2 EP2248245 A2 EP 2248245A2 EP 09720220 A EP09720220 A EP 09720220A EP 09720220 A EP09720220 A EP 09720220A EP 2248245 A2 EP2248245 A2 EP 2248245A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- printed circuit
- motor vehicle
- metal casing
- metal
- rotary
- 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
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 51
- 229920000642 polymer Polymers 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000005355 Hall effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 230000005672 electromagnetic field Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
- H02K11/014—Shields associated with stationary parts, e.g. stator cores
- H02K11/0141—Shields associated with casings, enclosures or brackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- 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
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/61—Power supply
- E05Y2400/612—Batteries
-
- 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
- E05Y2900/546—Tailboards, tailgates or sideboards opening upwards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Definitions
- the invention relates to a device for actuating an element for a motor vehicle, such as a boot door, a sunroof, a sliding side door or a folding seat. It also relates to a motor vehicle comprising such a device.
- the motor vehicle actuators typically comprise a motor, generally provided with a metal casing, to attenuate the electromagnetic radiation of the motor to the outside, the motor generating a rotational movement which is then transformed into a translation movement transmitted to the element for a motor vehicle.
- a motor generally provided with a metal casing
- the motor generating a rotational movement which is then transformed into a translation movement transmitted to the element for a motor vehicle.
- an actuating device is fixed at one of its ends to the body and to the body. its other end to the trunk door via ball joints.
- the motor of the device actuates in rotation a worm which drives in turn in translation a nut secured to the end fixed to the trunk door via a sliding tube.
- the translation movement applied to the integral end of the trunk causes its opening by rotation about the hinge axis.
- such devices generally comprise a printed circuit arranged near the motor, and which may in particular comprise motor control means, means for controlling the movement of the element for a motor vehicle or else signal filtering means. electric.
- electrostatic charges can accumulate on the actuating device. This is particularly the case when manufacturing the vehicle when carrying out a protective treatment of the vehicle by spraying electrically charged paraffin bubbles. This can also happen by contact of the device with a user having electrostatic charges.
- the charges will spread on the metal casing of the motor, which can cause an electric discharge to the printed circuit, by a phenomenon of electrical breakdown in the air. This discharge is likely to damage the various components of the printed circuit. In particular, the discharge can destroy the engine control. The engine then stops, which can cause a significant degradation of the actuating device.
- electrical discontinuity is meant that insulating elements, in particular plastic, are present between the ends of the actuating device.
- plastic elements are used in the actuating devices in order to reduce the noise and the weight of the actuating devices.
- the materials used are for example polyvinyl chloride, Teflon®, Nylon®, composite polymers. This is the case for example couplers arranged between the motor and the worm and which may comprise metal teeth coated with polymer to limit the sound intensity transmitted to the element via the actuating device.
- the device then behaves like a giant capacitor which is likely to accumulate electrostatic charges at the terminals of the plastic element, then to discharge to the metal casing of the motor, which can also cause an electric discharge to the printed circuit board.
- This capacitor effect can be aggravated by the friction between two moving plastic parts, for example during the linear displacement of protection or sealing tubes of the device. This friction indeed generates additional surface electrostatic charges.
- the present invention aims to overcome these disadvantages.
- the invention proposes a device for actuating an element for a motor vehicle in which the printed circuit is protected from electric shock phenomena.
- the invention thus relates to a device for actuating an element for a motor vehicle, the device being of elongate shape and comprising successively along the longitudinal axis: a printed circuit,
- a so-called rotary means generally connected to the printed circuit, capable of generating a rotational movement about the longitudinal axis, and provided with a metal envelope, and
- the metal casing of the rotary means is connected to an electrical ground.
- the charges accumulated on the metal casing are discharged to the ground, which avoids the phenomena of breakdown between the metal casing and the printed circuit.
- the metal casing of the rotating means is connected to an electrical mass of the motor vehicle.
- the metal casing of the rotary means may be connected to two metal ends of the device intended to be brought into contact with the electric masses of the vehicle, for example via protection tubes of the rotary means and the attachment of the device on the body and on the element for a motor vehicle. This prevents the accumulation of charges on the surface of the device.
- the device may thus comprise a ball joint at each of its ends, the ball joints being in contact with one or more metal casings of the device, and the metal casings and the ball joints may be connected to the electric mass of the motor vehicle via the metal casing of the device. rotating medium.
- a connector is an element intended to connect to a signal processing board and is the point of passage of the various cables coming from the printed circuit at the output of the actuating device.
- the printed circuit comprises a ground area connected to an electrical ground and the metal casing of the rotating means is connected to the ground area of the printed circuit.
- the connection between the metal casing of the rotating means and the mass zone of the printed circuit can be achieved by any means, in particular with the aid of any metallic element, for example in the form of a wire or a plate.
- the mass zone of the printed circuit is advantageously connected to the metal envelope of the rotating means via a metal element surrounding the printed circuit.
- the printed circuit is also protected from electromagnetic fields emitted in the vehicle, for example the electromagnetic fields of magnets of loudspeakers or electric alternators.
- This protection is thus particularly simple and avoids having to have a metal plate between the electromagnetic field emitter and the actuating device.
- the metal element surrounding the printed circuit is advantageously a cylinder whose axis is the longitudinal axis.
- the mass zone of the printed circuit is connected to the metal casing of the rotary means via a polymer element provided with copper tracks and surrounding the printed circuit.
- the polymer element surrounding the printed circuit is advantageously a cylinder whose axis is the longitudinal axis.
- the means for moving the element for a motor vehicle can comprise:
- the translational means may be a rack, for example a linear rack or curvilinear rack, or worm.
- a worm is preferably employed for an element such as a trunk door.
- a rack is preferably used for an element such as a sliding side door or a folding seat.
- the actuating means may comprise a nut screwed onto the worm and fixed on a cylinder whose axis is the longitudinal axis and which is integral with the element for a motor vehicle.
- the device may comprise two outer tubes whose axis is the longitudinal axis, a tube being integral with the rotary means and the other tube being integral with the actuating means, the tubes being slidably mounted.
- the rotary means preferably comprises a motor and a motor speed reduction means provided with a coupler.
- the coupler may comprise non-metallic elements.
- the coupler can thus comprise plastic teeth and / or metal teeth covered with plastic material, in order to reduce the weight and the sound intensity during the rotation of the coupler.
- the printed circuit may comprise means for controlling the rotary means, means for filtering electrical signals and means for controlling the longitudinal displacement of the element for a motor vehicle.
- the means for controlling the longitudinal displacement of the element for a motor vehicle are preferably of the Hall effect sensor type interacting with magnets integral with the worm and arranged in a plane parallel to the printed circuit.
- the control means and the printed circuit are preferably each arranged in a plane perpendicular to the longitudinal axis.
- the device according to the invention may have an electrical discontinuity.
- the invention also relates to the use of a device described above for the actuation of an element for a motor vehicle.
- the invention finally relates to a motor vehicle comprising a device described above.
- FIG. 1 is a schematic view of the rear part of a motor vehicle provided with a device according to the invention
- FIG. 2 is a view in longitudinal section of the device according to the invention.
- FIG. 3 is a sectional view of a part of the device according to a first embodiment
- FIG. 4 is a sectional view of a part of the device according to a second embodiment
- FIG. 5 is a sectional view of a portion of the device according to a third embodiment.
- the motor vehicle 1 as illustrated in Figure 1, comprises a body body 2 provided at its rear part with a trunk door 3.
- the trunk door 3 is rotatably mounted on the body 2 around a hinge axis
- the opening of the door 3 is actuated by two actuating devices 4, placed on each side of the door 3.
- a single device 4 has been shown in FIG. 1.
- An end 5 of the device 4 is attached to the Body Box 2, the other end 6 being fixed to the door 3.
- the opening of the door 3 is actuated by the device 4 which is able to transmit a translational movement to the end 6, which consequently drives the door 3 in rotation around the axis X.
- FIG. 2 illustrates the various elements of the device 4.
- the device 4 comprises a printed circuit 7 connected by two male connectors 8 to a rotating means 9 which rotates a worm 10.
- the printed circuit 7 is connected to a cable power supply 11 (12V for example) and a ground cable 12 connected to an electrical ground of the motor vehicle.
- the electrical control signals of the rotating means 9 are not shown.
- the 7-medium rotating circuit board assembly 9 is integral with a first tube 13 which may be of plastic or metal material.
- a nut 14 is screwed onto the worm 10 and is secured to a second tube 15 made of plastic or metal, able to slide on the first tube 13. The nut 14 thus drives the second tube 15 in translation.
- 4 is further provided at its two ends 5,6 with a metal ball 16,17.
- a ball 16 is intended to be fixed to the body body 2, while the other ball 17 is intended to be fixed to the trunk door 3, as shown in Figure 1.
- the rotary means 9 comprises a motor 18, as well as a means for reducing the speed of the motor 18 consisting of a coupler 19 that can be provided with plastic teeth not shown.
- the motor 18 comprises a rotor 20 surrounded by a metal casing 21 provided with stator permanent magnets in the case of a DC electric motor.
- the device 4 may also comprise one or more longitudinally arranged springs, not shown, which facilitate the opening of the trunk door 3 and which help to maintain the device 4 in an intermediate open position.
- the metal casing 21 of the rotating means is connected to an electrical ground.
- this connection has not been shown in FIG. 2.
- FIGS. 3 to 5 show a simplified partial view of the integrated circuit 7-metallic envelope assembly 21 according to different modes of operation. realization of this link.
- the electrical signals coming from the sensors 23 are not shown in FIGS. 3 to 5.
- the sensors 23 are associated with permanent magnets located on a disc integral with the axis of the motor rotor, in rotation with the sensors 23, and not shown.
- the printed circuit board 7 furthermore comprises various non-visible elements, such as means for controlling the rotary means and means for filtering electrical signals.
- the integrated circuit 7 and the metal casing 21 are arranged inside the first tube 13.
- the metal casing 21 is connected to the ground zone 22 of the printed circuit 7 via a wire rope 24.
- the wire rope 24 can be connected to the ground zone 22 at the ground. using a metal clip 26 welded to the mass zone 22.
- the accumulated charges on the metal casing 21 are thus discharged to ground via the ground zone 22, which avoids the phenomena of breakdown between the metal casing 21 and in the printed circuit 7.
- the metal envelope 21 is connected to the ground zone 22 of the printed circuit 7
- the cylinder 25 can be obtained by winding a copper strip 25 around the metal casing 21 and fixing the cylinder 25 thus obtained on the mass zone 22 by means of the clip 26.
- This embodiment has the advantage, besides the fact that the charges accumulated on the metal casing 21 are discharged to a ground, to protect the printed circuit 7, and in particular the Hall effect sensors 23, electromagnetic fields emitted in the vehicle 1, in particular electromagnetic fields of magnets for loudspeakers or electric alternators.
- a cylinder 27 of polymer for example polyethylene terephthalate, provided with copper tracks 28, in contact around the metal shell 21 and the cylinder 27 to the mass zone 22 by means of the clip 26. It is thus the copper tracks 28 which will convey the charges present on the metal casing 21 towards the mass 22.
- the present invention is not limited to these embodiments which have just been described and generally relates to all the actuating devices that can be envisaged from the general indications provided in the description of the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0851234A FR2928054B1 (fr) | 2008-02-26 | 2008-02-26 | Dispositif d'actionnement d'un element pour vehicule automobile. |
PCT/FR2009/050282 WO2009112745A2 (fr) | 2008-02-26 | 2009-02-23 | Dispositif d'actionnement d'un element pour vehicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2248245A2 true EP2248245A2 (fr) | 2010-11-10 |
Family
ID=39818460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09720220A Ceased EP2248245A2 (fr) | 2008-02-26 | 2009-02-23 | Dispositif d'actionnement d'un element pour vehicule automobile |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2248245A2 (fr) |
FR (1) | FR2928054B1 (fr) |
WO (1) | WO2009112745A2 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005016953U1 (de) * | 2005-10-27 | 2007-03-08 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Antriebsanordnung zur motorischen Betätigung eines Funktionselements in einem Kraftfahrzeug |
EP1795684A2 (fr) * | 2005-12-08 | 2007-06-13 | Kiekert Aktiengesellschaft | Commande basculante compacte pour un hayon de véhicule |
US20090320627A1 (en) * | 2008-06-25 | 2009-12-31 | Stabilus Gmbh | Driving Device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005016956U1 (de) * | 2005-09-17 | 2006-01-19 | Metzgerei Brosi Niederdorfer Gmbh | Verriegelungsvorrichtung für Schiebetüren |
DE102006011674A1 (de) * | 2006-03-14 | 2007-09-20 | Arvinmeritor Light Vehicle Systems-France | Leiterplatte mit Masseleiter für einen Elektromotor, und Elektromotor |
DE202006014694U1 (de) * | 2006-09-21 | 2008-02-14 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Antriebsanordnung für ein verstellbares Funktionselement in einem Kraftfahrzeug |
-
2008
- 2008-02-26 FR FR0851234A patent/FR2928054B1/fr not_active Expired - Fee Related
-
2009
- 2009-02-23 WO PCT/FR2009/050282 patent/WO2009112745A2/fr active Application Filing
- 2009-02-23 EP EP09720220A patent/EP2248245A2/fr not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005016953U1 (de) * | 2005-10-27 | 2007-03-08 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Antriebsanordnung zur motorischen Betätigung eines Funktionselements in einem Kraftfahrzeug |
EP1795684A2 (fr) * | 2005-12-08 | 2007-06-13 | Kiekert Aktiengesellschaft | Commande basculante compacte pour un hayon de véhicule |
US20090320627A1 (en) * | 2008-06-25 | 2009-12-31 | Stabilus Gmbh | Driving Device |
Also Published As
Publication number | Publication date |
---|---|
WO2009112745A2 (fr) | 2009-09-17 |
FR2928054A1 (fr) | 2009-08-28 |
FR2928054B1 (fr) | 2011-04-01 |
WO2009112745A3 (fr) | 2009-11-05 |
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