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WO2002039566A1 - Dispositif electromecanique permettant d'actionner et de controler le deplacement des parties mobiles de vehicules - Google Patents

Dispositif electromecanique permettant d'actionner et de controler le deplacement des parties mobiles de vehicules Download PDF

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Publication number
WO2002039566A1
WO2002039566A1 PCT/ES2001/000421 ES0100421W WO0239566A1 WO 2002039566 A1 WO2002039566 A1 WO 2002039566A1 ES 0100421 W ES0100421 W ES 0100421W WO 0239566 A1 WO0239566 A1 WO 0239566A1
Authority
WO
WIPO (PCT)
Prior art keywords
box
circuit board
printed circuit
motor
cover
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
Application number
PCT/ES2001/000421
Other languages
English (en)
Spanish (es)
Inventor
Ignacio Longares Felipe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lear Automotive EEDS Spain SL
Original Assignee
Lear Automotive EEDS Spain SL
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 Lear Automotive EEDS Spain SL filed Critical Lear Automotive EEDS Spain SL
Publication of WO2002039566A1 publication Critical patent/WO2002039566A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • 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
    • H02K11/38—Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel

Definitions

  • the present invention concerns an electromechanical device for driving and controlling the movement of moving parts of vehicles, such as window windows, sunroofs, seats, backrests, etc., which comprises an engine, a transmission and a printed circuit board. which integrates an electronic motor control circuit, whose printed circuit board is arranged at least partially covering a box of said transmission, the components of said electronic control circuit located within said box being left, thereby allowing maximum compactness of the set.
  • a car window window motor requires, for proper operation, a stop and start control in both directions of rotation for normal use, voluntarily ordered by a user, and an automatic stop device, or reversal of the direction of rotation, in the event of detecting in a safe way a sudden overexertion of the engine during a closing or opening operation, whose overexertion is indicative that the moon has encountered an obstacle in its trajectory.
  • This automatic stop or reversal of the direction of rotation of the engine is of great importance for safety purposes since such an obstacle is often a part of the body of a person or pet occupying the vehicle or from outside it is peeking inside the vehicle.
  • the actuation of other moving parts of a vehicle, such as seats and backrests, has similar requirements for safety purposes for the occupant.
  • a microprocessor with one or more associated memories integrated in a control circuit that includes a stage of power distribution to the motor and a Hall effect sensor or similar to detect the speed and direction of turn of motor shaft
  • This control circuit is arranged on a printed circuit board associated with an assembly formed by said motor and a transmission, generally of the screw-end type and toothed crown type.
  • a printed circuit board associated with an assembly formed by said motor and a transmission, generally of the screw-end type and toothed crown type.
  • the association of such a printed circuit board with the motor and transmission assembly of each window, seat, backrest or the like represents a serious space problem due to the narrow limitation of the space available at the sites where such devices must go housed, and also the printed circuit board needs protection to not be unprotected and exposed to dirt, moisture and possible shocks.
  • Another drawback is the need to include electrical wiring between the printed circuit board and the motor.
  • WO 91/01060 describes a drive system of a motorized window in a vehicle.
  • the system comprises a drive unit disposed in a sealed housing and connected to a rotation speed sensor, and is controllable by an electronic control and regulation unit.
  • Said electronic control and regulation unit, the drive unit and the rotation speed sensor are arranged in a common sealed housing.
  • the control unit is arranged on a printed circuit board that is connected to the motor through an internal connector of the housing.
  • the drive unit included in the housing comprises a motor and a transmission, the engine output shaft being provided with an endless screw that attacks a toothed crown.
  • the rotation speed sensor provides a signal to the control unit through a detector provided in an area of said printed circuit board that is close to said tree.
  • the control unit is based on a microprocessor and has an output stage of drive power towards the motor.
  • this system has the advantage of forming a compact module provided with a housing in which both the electromechanical and electronic elements are integrated, providing an undeniable improvement in the protection of the printed circuit board and the absence of wiring between the board and the engine, in relation to the occupation of space, the improvement achieved is practically null, because an extension of the housing, of considerable dimensions, with the sole purpose of housing the said printed circuit board of the control unit.
  • EP-A-0474904 filed on September 12, 1990, describes a motorized window drive that uses an electric switching motor with an integrated control circuit that uses a one-dimensional circuit board, which incorporates on one side a part in which the motor brush holders are arranged and in another part a part in which a plug base for a connector is arranged.
  • the electrical connections of the components of the circuit board, the brushes and the cables with the tracks of the circuit board are made by means of a welding bath.
  • the motor has a housing fixed to a box that houses a screw-worm reduction gear and toothed crown, whose box comprises an extension adapted to accommodate said circuit board.
  • the objective of the present invention is to provide an electromechanical device for driving and controlling the movement of moving parts of vehicles that are of a very compact design, of low weight, and free of external wiring between their elements. components.
  • an electromechanical device for driving and controlling the movement of moving parts of vehicles of the type comprising a motor provided with a housing, whose motor drives a transmission housed in a box provided with at least a cover, to whose box said motor housing is fixed.
  • the motor is connected to an electronic control circuit, the components of which are arranged in a single printed circuit board which is arranged by at least partially closing said transmission case, the different components being enclosed within the box, and each arranged in an operationally convenient place. Only a power and signal connector of said electronic circuit integrated in the printed circuit board appears outside the box.
  • said printed circuit board is a single-sided printed circuit board, which forms the aforementioned lid of the box, being fixed thereto, for example, by screws.
  • said printed circuit board is a double-sided printed circuit board arranged embedded in a recess of the inner contour of the opening of said housing.
  • This double-sided circuit board is completely covered by said box cover, which is typically metallic, for example molded aluminum, which favors the dissipation of heat generated by the electronic circuit.
  • said box cover which is typically metallic, for example molded aluminum, which favors the dissipation of heat generated by the electronic circuit.
  • the existence of this rigid cover allows a complete sealing of the electronic circuit and of the electromechanical elements inside the box, and even allows its sealing.
  • the printed circuit board is double-sided implies that there will be electroconductive tracks located on the outermost side of the board that will face the innermost face of the metal cover. To avoid possible short circuits due to the contact of the metal cover with the mentioned tracks, the aforementioned recess where the printed circuit board fits is deep enough for it to be inside the box separated from the cover, conveniently placing small spacers between plate and cover.
  • Another possible solution is to arrange said double-sided printed circuit board so that it is attached to the lid, and to interpose a layer of electrically insulating material between said outermost face of the plate and the innermost face of the lid.
  • said layer of electrically insulating material is a layer of a resin synthetic applied directly on said outermost face of the plate, covering its tracks and entrepistas.
  • the device forms a motor, transmission and control circuit unit, optionally hermetically sealed and sealed, extraordinarily compact, low weight, devoid of external connection wiring between the control circuit and the motor, and capable of be applied independently to each window regulator, sunroof, seat or backrest position regulator of a vehicle.
  • Fig. 1 is an overall perspective view of the electromechanical device of the present invention
  • Fig. 2 is a cross-sectional view of the transmission cover and housing assembly including the printed circuit board, according to a first embodiment
  • Fig. 3 is a bottom perspective view of the printed circuit board constituting the transmission case cover of the electromechanical device of Fig. 1 according to a second embodiment
  • Fig. 4 is an exploded top perspective view of the transmission cover and case assembly according to said first embodiment.
  • the electromechanical device for driving and controlling the movement of moving parts of vehicles according to the present invention is shown.
  • Such a device is of special application in the automotive industry for the controlled movement of moving parts of a vehicle such as window windows, sunroofs, seats, backrests, etc.
  • the device comprises a motor 1 provided with a housing 5, whose motor 1 drives a transmission 2 housed in a box 3 provided with at least one cover 4, to which case 3 said motor housing 5 is fixed 1.
  • engine 1 is connected to an electronic control circuit arranged in at least one printed circuit board 6 associated with the assembly.
  • Fig. 3 the components of said electronic control circuit are shown, which are basically a microprocessor 61 with one or more associated memories, a power distribution stage 62, several capacitors 63 and a Hall effect sensor 64.
  • the circuit is completed with a connector 7 located on one edge of said printed circuit board 6.
  • the aforementioned microprocessor contains an algorithm for controlling the movements of the corresponding mobile part actuated by the device, including an automatic stop or reverse direction function. of rotation of the engine as a safety measure against possible accidents caused by the interposition of an object or part of a person's body in the trajectory of said moving part.
  • This algorithm governs the motor 1 through the power distribution stage 62.
  • the input signals to the safety algorithm come from said Hall effect sensor and are indicative of the speed and direction of rotation of the motor, and consequently of the speed and direction of the displacements of the mobile part driven by said motor.
  • the microprocessor knows the phases and incidences in the movements of the corresponding moving part by the frequency of some tension pulses generated each time a magnetic pole associated to the rotating axis of the motor passes through the proximity of the Hall effect sensor.
  • the aforementioned components of the electronic circuit are arranged in a single printed circuit board 6, which is arranged by at least partially closing the said box 3 of said transmission, the different components being enclosed within the box 3 and each arranged in a operationally convenient location, only a power connector 7 and signals of said electronic circuit sticking out of the box 3.
  • said printed circuit board 6 is a double-sided printed circuit board arranged embedded in a recess 9 of the inner contour of the opening of said box 3, being completely covered by said cover 4, which is preferably of a metallic material, such as an aluminum alloy molded, capable of dissipating thermal energy generated by the electronic circuit.
  • said cover 4 is preferably of a metallic material, such as an aluminum alloy molded, capable of dissipating thermal energy generated by the electronic circuit.
  • the double-sided printed circuit board 6 of Fig. 2 has electroconductive tracks (not shown in the figures) located on the outermost side thereof. These tracks face the innermost face of the metal cover 4, and therefore it is necessary to avoid possible short circuits due to the contact of the metal cover 4 with said tracks.
  • said double-sided printed circuit board 6 is attached to said cover 4 inside the box 3, and a layer 8 of electrically insulating material interposed between the plate 6 and the enclosure is included.
  • said layer 8 of electrically insulating material is a layer of a synthetic resin applied, either during its manufacturing process or in a subsequent process, directly on the outermost face of the double-sided printed circuit board 6 , covering its tracks and entrepistas.
  • Another possible alternative solution consists in arranging said double-sided printed circuit board 6 inside the box 3 so that its outermost face is distanced from the innermost face of the lid 4.
  • said recess 9 where the printed circuit board 6 fits is deep enough so that it, through the convenient placement of small spacers between plate 6 and cover 4, is inside the box 3 at a suitable distance from the cover 4.
  • the present invention proposes an alternative embodiment, shown in Figs. 1, 3 and 4, according to which said printed circuit board 6 is a single-sided printed circuit board, comprising a sheet substrate of dielectric material which forms the aforementioned cover 4 of the box 3.
  • the printed circuit board 6 comprises said dielectric sheet substrate, which has all the tracks and all the components of the electronic circuit on its innermost face, and which is properly trimmed following the contour of the transmission case 3 and is provided with holes 10 for the passage of screws 11 intended to be threaded into holes 12 of the case 3 for fixing the printed circuit board 6 covering the opening of said box 3 in cover functions 4.
  • the Hall effect sensor 64 is located on the printed circuit board 6 of so that, once placed, it is located inside the box 3 in a compartment 31 thereof in which a portion of the motor output shaft 1 rotates. To this portion is attached a magnet that rotates together with said shaft.
  • the Hall effect sensor 64 is located in said compartment 31 very close to said rotating magnet to generate said pulses indicative of the speed and direction of rotation of the motor 1 that are sent as an input signal to the microprocessor 61, which, together with said power distribution stage 62, a main compartment 32 of the box 3 is located where a toothed wheel (not shown) rotates which meshes with a screw-endless of the output shaft of the motor 1 through of an internal communication opening 33.
  • This gearwheel is connected by an elastic coupling and a drive to an output gearwheel mounted so that it can rotate coaxially to said gearwheel.
  • the capacitors 63 are located inside one or more compartments 34 independent of the box 3 configured in the periphery of the main compartment 32 taking advantage of dead spaces that remain among other necessary configurations, for example, for fixing the cover 4 a the box 3 or the fixing of the assembly formed by the box 3, with the printed circuit board 6 associated with the cover 4, and the motor 1 to the corresponding support structure in the vehicle.
  • the connector 7 is located on the printed circuit board 6 so that, once mounted, it is arranged between said printed circuit board 6 and a housing 13 of the box 3 so that contact pins 7a (or alternatively holes of contact) of the connector 7 are accessible from outside the box 3.
  • the body of the connector 7 fits tightly into said housing 13 of the box 3 so that, in the Example of embodiment of Fig. 2, it is easy to seal the interface between them.
  • the space available in the box 3 of the transmission 2 is optimized to the maximum to accommodate the printed circuit board 6 of the electronic control circuit of the motor 1, whereby a compact, reduced weight, and exempt unit is obtained external wiring between its component elements, which includes engine, transmission and control circuit.
  • This unit is capable of being applied independently to each mobile part of the vehicle, such as a window regulator, sunroof, a seat or backrest position regulator, etc.
  • this unit is capable of being easily sealed and / or sealed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un dispositif électromécanique permettant d'actionner et de commander le déplacement de parties mobiles de véhicules qui comprend un moteur (1) pourvu d'un carter (5). Ce moteur (1) actionne une transmission (2) logée dans une boîte (3) pourvue d'au moins un couvercle (4). Le carter (5) du moteur (1) est fixé à la boîte (3) et le moteur (1) est relié à un circuit électronique de commande, dont les composants sont disposés sur une seule carte à circuit imprimé (6), laquelle est installée par fermeture au moins partielle de ladite boîte (3) de transmission, ce qui permet d'enfermer les différents composants dans la boîte (3). Chaque composant est disposé dans un endroit convenable du point de vue fonctionnel et seuls un connecteur (7) et des signaux dudit circuit électronique dépassent hors de la boîte (3) d'alimentation.
PCT/ES2001/000421 2000-11-07 2001-11-05 Dispositif electromecanique permettant d'actionner et de controler le deplacement des parties mobiles de vehicules Ceased WO2002039566A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200002686A ES2172440B1 (es) 2000-11-07 2000-11-07 Dispositivo electromecanico para accionamiento y control del desplazamiento de partes moviles de vehiculos.
ESP200002686 2000-11-07

Publications (1)

Publication Number Publication Date
WO2002039566A1 true WO2002039566A1 (fr) 2002-05-16

Family

ID=8495576

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2001/000421 Ceased WO2002039566A1 (fr) 2000-11-07 2001-11-05 Dispositif electromecanique permettant d'actionner et de controler le deplacement des parties mobiles de vehicules

Country Status (2)

Country Link
ES (1) ES2172440B1 (fr)
WO (1) WO2002039566A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348295A (zh) * 2013-08-07 2015-02-11 阿斯莫株式会社 带有减速器的电动机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2992794B1 (fr) * 2012-06-29 2014-08-08 Leroy Somer Moteurs Machine electrique tournante equipee d'une boite a bornes.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857812A (en) * 1986-07-07 1989-08-15 Mitsuba Electric Mfg. Co., Ltd. Electric motor system for automobiles
EP0577201A1 (fr) * 1992-06-30 1994-01-05 STMicroelectronics S.r.l. Dispositif intermédiaire de commande pour un moteur électrique et sa méthode de fabrication
US5528093A (en) * 1993-03-31 1996-06-18 Siemens Aktiengesellschaft Commutator-motor gear/drive unit, in particular a window-lift drive for a motor vehicle
US5937507A (en) * 1994-06-24 1999-08-17 Asmo Co., Ltd. Method of making a motor actuator
US6099324A (en) * 1997-07-21 2000-08-08 The Whitaker Corporation Electrical motor unit having a control module
US6107713A (en) * 1998-08-28 2000-08-22 Leopold Kostal Gmbh & Co. Kg Drive assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857812A (en) * 1986-07-07 1989-08-15 Mitsuba Electric Mfg. Co., Ltd. Electric motor system for automobiles
EP0577201A1 (fr) * 1992-06-30 1994-01-05 STMicroelectronics S.r.l. Dispositif intermédiaire de commande pour un moteur électrique et sa méthode de fabrication
US5528093A (en) * 1993-03-31 1996-06-18 Siemens Aktiengesellschaft Commutator-motor gear/drive unit, in particular a window-lift drive for a motor vehicle
US5937507A (en) * 1994-06-24 1999-08-17 Asmo Co., Ltd. Method of making a motor actuator
US6099324A (en) * 1997-07-21 2000-08-08 The Whitaker Corporation Electrical motor unit having a control module
US6107713A (en) * 1998-08-28 2000-08-22 Leopold Kostal Gmbh & Co. Kg Drive assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348295A (zh) * 2013-08-07 2015-02-11 阿斯莫株式会社 带有减速器的电动机
CN104348295B (zh) * 2013-08-07 2018-05-04 阿斯莫株式会社 带有减速器的电动机

Also Published As

Publication number Publication date
ES2172440B1 (es) 2003-12-01
ES2172440A1 (es) 2002-09-16

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