WO2016120279A1 - Dispositif de commande d'un système de freinage de véhicule automobile - Google Patents

Dispositif de commande d'un système de freinage de véhicule automobile Download PDF

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Publication number
WO2016120279A1
WO2016120279A1 PCT/EP2016/051590 EP2016051590W WO2016120279A1 WO 2016120279 A1 WO2016120279 A1 WO 2016120279A1 EP 2016051590 W EP2016051590 W EP 2016051590W WO 2016120279 A1 WO2016120279 A1 WO 2016120279A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve coil
circuit board
coil
dome
Prior art date
Application number
PCT/EP2016/051590
Other languages
German (de)
English (en)
Inventor
Detlef Neusatz
Original Assignee
Conti Temic Microelectronic 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 Conti Temic Microelectronic Gmbh filed Critical Conti Temic Microelectronic Gmbh
Publication of WO2016120279A1 publication Critical patent/WO2016120279A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
    • B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders

Definitions

  • Control device for a motor vehicle brake system The invention relates to a control device for a motor vehicle brake system according to the preamble of claim 1.
  • EP 0705747 Al describes an electro-hydraulic control ⁇ unit for a braking system, are mounted in the valve spool by means of valve spool mounting elements on a to be mounted to the housing support plate, centrally arranged to the valve ⁇ coil assembly elements snap-in hooks are snapped into openings provided on the support plate.
  • disadvantageous is the largely rigid mechanical connection between the support plate and valve coils.
  • the valve coils are mounted according to EP 0 520 047 Bl means arranged on a spring-mounted support plate elastic brackets, whereby an axial and radial displacement of the valve coils is possible.
  • the coils for providing a resilient contact for example by means of press fit contacts are ⁇ bent-over pins (with the coil wire is welded) is electrically connected to the printed circuit board.
  • the coils are thereby fixed in the housing of the electronic control unit with suspensions and a spring plate, below the coil provides the necessary life over contact force from coil to valve plate.
  • the coil assembly is done with the help of press tools, which press the contact pins into the circuit board.
  • Object of the present invention is therefore to provide a control device for a motor vehicle brake system of the type mentioned, which allows at least constant performance and robustness to environmental influences, a reduction in space requirements and yet inexpensive to produce.
  • the invention relates to a control device for a motor vehicle brake system, comprising at least one hydraulic unit and an electronic control unit, at least one valve coil module for controlling an electromagnetic
  • valve spool module operable hydraulic valve and at least one printed circuit board for receiving electronic components, the printed circuit board by means of at least one contact means electrically connected to a valve spool by the valve spool valve connected, wherein the control unit further characterized in that the valve spool module is fixedly connected to the hydraulic unit and an elastic mechanical connection of the electrical contacting of the valve coil is present.
  • the valve spool module is fixedly connected to the hydraulic unit and an elastic mechanical connection of the electrical contacting of the valve coil is present.
  • the fixed connection of the valve coil module with the hydraulic unit forms according to the invention preferably the only mechanically rigid attachment, wherein the elastic mechanical connection of the electrical contact, in addition to the joining technical connection with the hydraulic unit, preferably forms the only further mechanical attachment. Since a space ⁇ taken by the valve coil modules according to the invention is reduced in comparison with known electro-hydraulic control units, a reduction of the space requirement can be realized by the inventive electro-hydraulic control unit in an advantageous manner. In addition, the performance of the coils can be improved in terms of space requirements, as in a same space of a housing now more windings can be placed on the coil.
  • a separate cooling device of a power control unit could thereby be omitted.
  • valve coil modules Overmolding of the valve coil modules and a frequently used elastic element for pressing the modules against the base of the valve dome is eliminated, which also means that no or at least lower loads act on the coil chamber wall and therefore a lower material thickness is sufficient for this. Since the valve coil modules are not arranged to move relative to each other due to the joining technology Ver ⁇ bond with the hydraulic unit, can be dispensed with a separation of the valve coil modules, for example by arranged between these housing walls. A ⁇ Ver simplification of the structural design of the valve coil modules is also possible, which enables effective production as well as a reduction in the burden of handling and transport of the Ventilspu ⁇ lenmodule. The robustness of the electronic
  • Control unit against contamination from production can also be increased.
  • a valve coil suspension which provides latching hooks which engage in the coil yoke of the valve coil yoke, frequently a chamfer on an outer edge on one of the circuit board has been provided.
  • the valve coil module is connected according to a particularly preferred development of the invention fixed with a valve dome comprised by the hydraulic unit.
  • a spool ⁇ lenjoch encompassed by the valve spool module is connected by joining technology to a valve dome encompassed by the hydraulic unit.
  • a base of the valve dome is understood as encompassed by the valve dome, wherein the Spulenj och is preferably connected to the base of the valve dome.
  • the coil yoke is preferably connected by means of a press fit with the valve dome.
  • a Spulenhuntwandung for delimiting a region in which the at least one valve spool module is located, and a region in which the circuit board is located, seen before ⁇ , wherein the Spulenhuntwandung comprises at least one wall element, at least having an opening for the implementation of ⁇ at least one contact means.
  • the Spulenhuntwandung is thus almost completely closed ge ⁇ , whereby the range of electro-hydraulic
  • the valve coil module comprises at least one connection element for electrically contacting the at least one contact means with the valve coil, wherein the connection element is electrically conductively connected to the Ven ⁇ tilspule and with respect to the valve coil module and / or the bobbin movable to ⁇ ordered.
  • the mechanical connection of the contact means to the connection element is preferably configured substantially immovable.
  • the contact means is in particular rigid out ⁇ .
  • the control unit expediently has a housing enclosing at least the one or more valve coil modules and the printed circuit board (s).
  • the bobbin wall and / or the at least one wall element are preferably integrally connected to the housing.
  • the housing and the coil chamber wall and / or the at least one wall element can advantageously be produced in a common process step, such as an injection molding process. Changes to existing hydraulic unit or in particular the valve domes are not necessary for the realization.
  • the valve coil module is preferably mechanically fixed by means of a press fit to the valve dome or the base of the valve dome.
  • valve coil modules Due to the largely free orientation possibility of the valve coil modules with regard to their contact means further optimizations in the design of the layout of the circuit board can be made. For example, grouped press-in zones can be provided for introducing the press-fit contacts of the contact means on the printed circuit board, whereby an improved packing density of the valve coil modules can also be achieved ⁇
  • controller according to the invention also provides a particularly simple assembly method for the production, which has the steps:
  • Steps 1, 2 and 3 are interchangeable in order, with step 4 representing the final assembly (wedding) of the electronic control unit and hydraulic unit.
  • the contact means on at least one of the printed circuit board facing end Einpress awardede for pressing in contacting openings of the circuit board, so that the electrical contacting of the contact means with the circuit board can be made in accordance with step 1 by pressing the press-fit. Due to the comparatively simple geometry of the contact means for contacting the valve coils and the overall less complex structure of the valve ⁇ spulanowskiowski the assembly process can be automated in a simpler manner, which is preferably done using an image processing system.
  • FIG. 1 in fragmentary exploded views of a
  • Fig. 3 shows an embodiment of the valve coil module according to the
  • Fig. 4 bobbin of the valve coil module and detail representation in particular of the connection elements of
  • FIG. 5 shows an exemplary embodiment of the contact pins of the Ven ⁇ tilspulenmodule with exemplary dimensions
  • FIG. 6 shows an exemplary coil wall of the housing of the electronic control unit, wherein this can be provided as a separate part to be mounted or is made in one piece with the housing,
  • FIG. 7 is a sectional view of an embodiment of the electronic control unit with assembled valve coil module
  • FIG. 8 is an exemplary sequence of the invention
  • the partial images a) and b) of Fig.l show an explosion Representing an embodiment of the electro-hydraulic control unit 1 (HECU) according to the invention in different perspectives, wherein only hydraulic unit 2 with valve dome 2.1, valve coil module 4, circuit board 5, contact pins 7 and a wall element 6.1 a Spulensch- wall, which preferably integrally with the housing of the electronic Control unit is connected, are shown.
  • Valve coil module 4 is pushed in the assembled state by means of Ven ⁇ tildomnessö réelle 4.2 on valve dome 2.1 of the hydraulic unit 2, as shown in Fig. 2, whereby the corresponding valve dome 2.1 associated electromagnetic hydraulic valve by driving the valve coils of the valve coil module 4 is actuated.
  • the contact pins 7 are preferably executed without resilient elements or curved course - rigid and straight - and have at least on the, the circuit board side facing, press-fit.
  • the valve coil module 4 comprises connecting elements 4.5 for contacting the contact pins 7 in such a way that an electrically conductive connection of the printed circuit board to the valve coil can be realized in order to control the valve coil.
  • FIG. 3 shows an embodiment of the valve coil module according to the invention.
  • Coil yoke 4.4 is executed, for example, two ⁇ part and includes a cylindrical part (shown in phantom) and a cover plate.
  • the cover plate has an omission for the implementation of the connection elements 4.5 and a corresponding shape of bobbin 4.1, in which the connection elements 4.5 are inserted or engaged ⁇ .
  • the cylindrical coil 4.3 by means of which the magnetic field for switching the electromagnetic hydraulic valve can be constructed, is wound onto bobbin 4.1.
  • the connection elements 4.5 are enclosed by corresponding formations of bobbin 4.1.
  • connection elements 4.5 Extensive representations of different perspectives of the area of the connection elements 4.5 and of the bobbins 4.1 of a further embodiment of valve coil module 4 are shown in the partial illustrations a), b) and c) of FIG. On the representation of the cylindrical part of Spulenjoch 4.4 was omitted in Fig. 4 a).
  • the connecting elements 4.5 are, as already shown for the embodiment of Figures 2 and 3, configured with a substantially square cross section, wherein the ends of the coil wire are electrically conductively connected to the likewise conductive connection elements 4.5.
  • connection elements 4.5 - are the connection elements 4.5 - in contrast to the previously shown embodiments - not completely enclosed by the formations of the bobbin 4.1, but mechanically fixed by means of mutually directed latching hooks.
  • the connection elements 4.5 of a valve coil module 4 can also be arranged in a deviating manner, for example on opposite sides of the circuit board 5 facing the end of the valve ⁇ coil module 4.
  • FIG. 5 shows an embodiment of a contact pin 7 with press-in contact, on which in the assembled state of the Lei ⁇ terplatte 5 facing the end, with exemplary dimensions.
  • exemplary relative dimensions hatched also an exemplary section of circuit board 5 is shown in cross section.
  • a wall element 6.1 of a coil chamber wall already shown in FIG. 1 is shown again in a separate form in FIG.
  • the wall element 6.1 can as separately on
  • Spulenhuntwandung be arranged to be mounted or mounted component or already produced in one piece together with the entire housing or parts thereof, which offers a cost-effective solution especially when using plastic as a housing material.
  • the contact pins 7 are passed through the provided in Wan ⁇ training element 6.1 openings 6.2 and the dome-shaped configuration 6.3 receives the printed circuit board 5 facing the end of a valve dome 2.1.
  • FIG. 7 shows a sectional view of one embodiment of the electronic control unit with mounted Ventilspu ⁇ lenmodul 4.
  • This illustration shows in particular how the contact pins 7 (only a single shown), starting from the pressed into the circuit board 5 press-fit, passed through the openings 6.2 of wall element 6.1 and are plugged into the connection elements 4.5 of the valve coil module 4.
  • Wall element 6.1 is provided according to this example as a materially connected part of housing 6 of the electronic control unit of the electro-hydraulic control unit 1. It is also shown how the recording of the circuit board 5 facing the end of the valve dome 2.1 can be realized by the dome-shaped configuration 6.3. As already described, valve coil module 4 is pushed in the installed state via valve dome receiving opening 4.2 on valve dome 2.1 of the hydraulic unit 2.
  • valve spool module 4 For mechanical fixation of valve spool module 4, the Spulenjoch 4.4 according to the preferred embodiment of FIG. 7, at one of the hydraulic unit 2 facing the end of valve ⁇ coil module 4 and valve dome 2.1, by means of press fit with the valve dome 2.1 - in particular a base of the valve dome - mechanically connected ,
  • Printed circuit board 5 within the housing 6 is shown in the form of preferably also cohesively connected to housing 6 latching hook 6.4.
  • the electrical contacting of the valve coil modules 4 to the printed circuit board 5 can be realized in various ways, the mechanical connection of the electrical contacting is designed according to the invention elastic.
  • connection according to the invention is shown in the embodiments of Figures 1 to 8, according to which the electrically conductive connection elements 4.5 configured as sockets and locked in a designated shaping of bobbin 4.1, the ends of the coil wire of the valve coil 4.3 with the respective connection element 4.5 are mechanically connected, for example by means of ultrasonic welding or soldering.
  • the contact pins 7, which are rigid in accordance with these embodiments, can be pressed, for example by means of press-fit contacts (not shown). placed) in press-fit sockets of the connection elements 4.5 pressed and thus mechanically and electrically connected to these.
  • the shaping and locking allows the connection elements 4.5 or press-fit translatory movements preferably in all spatial directions, wherein the coil wire is designed to be carried.
  • connection elements 4.5 compensating element (offset compensation) of the coil wire.
  • the contact point of contact pin 7 to An ⁇ closing element 4.5 can be carried out accordingly immobile (rigid), whereby fretting corrosion can be avoided.
  • the connection elements 4.5 can also be mechanically fixed to the valve coil module 4 or bobbin 4.1.
  • the contact springs preferably have a silver or copper coating to allow a low-current current transport.
  • the holding device for the spring is preferably formed integrally with the bobbin 4.1.
  • One of the circuit board 5 and / or the valve coil module 4 facing the end of such a contact spring can be connected, for example by means of press-fit, soldering or welding to the circuit board 5 or appropriately ausgestaltetem connection element 4.5 of valve ⁇ coil module 4.
  • the assembly of the valve coil modules takes place in the sequence described below with reference to the partial illustrations a) to c) of FIG. 8: FIG. 8 a) -pressing the contact pins 7 into the printed circuit board 5;
  • the steps 1 to 3 can be realized in the order essentially arbitrary. Particularly preferably, all steps of the assembly be carried out fully automated, in ⁇ play, by using an image processing system.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne un dispositif de commande (1), destiné à un système de freinage de véhicule automobile, qui comprend au moins une unité hydraulique (2) et une unité de commande électronique (3), au moins un module de bobine de soupape (4) destiné à commander une soupape hydraulique à commande électromagnétique et au moins une carte de circuits imprimés (5) destinée à recevoir des composants électroniques. La carte de circuits imprimés (5) est reliée par une liaison électriquement conductrice à une bobine de soupape (4.3) entourée du module de bobine de soupape (4). Le dispositif de commande est en outre caractérisé en ce que le module de bobines de soupape (4) est relié solidairement à l'unité hydraulique (2) et une liaison mécanique élastique est prévue pour le contact électrique de la bobine de soupape (4.3).
PCT/EP2016/051590 2015-01-30 2016-01-26 Dispositif de commande d'un système de freinage de véhicule automobile WO2016120279A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102015201672.2 2015-01-30
DE102015201672 2015-01-30
DE102015211465.1 2015-06-22
DE102015211465.1A DE102015211465A1 (de) 2015-01-30 2015-06-22 Steuergerät für ein Kraftfahrzeugbremssystem

Publications (1)

Publication Number Publication Date
WO2016120279A1 true WO2016120279A1 (fr) 2016-08-04

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Application Number Title Priority Date Filing Date
PCT/EP2016/051590 WO2016120279A1 (fr) 2015-01-30 2016-01-26 Dispositif de commande d'un système de freinage de véhicule automobile

Country Status (2)

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DE (1) DE102015211465A1 (fr)
WO (1) WO2016120279A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010286A1 (fr) * 1988-04-20 1989-11-02 Alfred Teves Gmbh Dispositif electrohydraulique de regulation de pression
DE8910805U1 (de) * 1989-09-09 1991-01-10 Robert Bosch Gmbh, 7000 Stuttgart Elektrische Verbindungsvorrichtung
WO1991010583A1 (fr) * 1990-01-16 1991-07-25 Robert Bosch Gmbh Unite de montage consistant en un appareil de distribution et de regulation ainsi qu'en un appareil de commande
WO1995021758A1 (fr) * 1994-02-10 1995-08-17 Lucas Industries Public Limited Company Dispositif de freinage a systeme antiblocage
DE19701940A1 (de) * 1996-01-22 1997-07-24 Nisshin Spinning Bremsdrucksteuerung
WO2000024088A1 (fr) * 1998-10-17 2000-04-27 Robert Bosch Gmbh Dispositif de contact entre une piece presentant une connexion electrique et un circuit electrique
US6375473B1 (en) * 2000-05-05 2002-04-23 Kelsey-Hayes Company Electrical interconnection for an electro-hydraulic brake system using wire form buttons

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DE59103179D1 (de) 1991-01-15 1994-11-10 Teves Gmbh Alfred Elektrohydraulische druckregelvorrichtung.
US5452948A (en) 1994-10-07 1995-09-26 The Whitaker Corporation Apparatus and method for electronically controlled hydraulic actuator
WO1996013415A1 (fr) * 1994-10-28 1996-05-09 Siemens Aktiengesellschaft Dispositif de commande a soupapes
DE29508389U1 (de) 1995-05-19 1995-07-20 Siemens AG, 80333 München Magnetspule zur Ventilsteuerung
WO1998007603A1 (fr) * 1996-08-20 1998-02-26 Kelsey Hayes Company Structure d'electroaimant et interconnexion
US5845672A (en) 1996-12-10 1998-12-08 General Motors Corporation Solenoid coil positioning assembly
DE19725289A1 (de) * 1997-06-14 1998-12-17 Itt Mfg Enterprises Inc Elektrohydraulische Druckregelvorrichtung
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JP4206855B2 (ja) * 2002-09-03 2009-01-14 株式会社アドヴィックス 電子制御ユニットの筐体
DE102005023837A1 (de) * 2005-05-24 2006-12-14 Continental Teves Ag & Co. Ohg Elektronische Regeleinheit mit Kühlung durch Ventilblock
DE102005047916A1 (de) * 2005-10-06 2007-04-12 Robert Bosch Gmbh Hydroaggregat einer hydraulischen Fahrzeugbremsanlage
EP2703241B1 (fr) 2012-08-31 2016-07-13 Continental Teves AG & Co. oHG Unité de contrôle électronique pour systèmes de frein de véhicule automobile
KR20140054508A (ko) * 2012-10-29 2014-05-09 주식회사 만도 전자제어식 브레이크 시스템용 솔레노이드밸브의 코일조립체와 전자제어유닛의 조립 구조

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010286A1 (fr) * 1988-04-20 1989-11-02 Alfred Teves Gmbh Dispositif electrohydraulique de regulation de pression
DE8910805U1 (de) * 1989-09-09 1991-01-10 Robert Bosch Gmbh, 7000 Stuttgart Elektrische Verbindungsvorrichtung
WO1991010583A1 (fr) * 1990-01-16 1991-07-25 Robert Bosch Gmbh Unite de montage consistant en un appareil de distribution et de regulation ainsi qu'en un appareil de commande
WO1995021758A1 (fr) * 1994-02-10 1995-08-17 Lucas Industries Public Limited Company Dispositif de freinage a systeme antiblocage
DE19701940A1 (de) * 1996-01-22 1997-07-24 Nisshin Spinning Bremsdrucksteuerung
WO2000024088A1 (fr) * 1998-10-17 2000-04-27 Robert Bosch Gmbh Dispositif de contact entre une piece presentant une connexion electrique et un circuit electrique
US6375473B1 (en) * 2000-05-05 2002-04-23 Kelsey-Hayes Company Electrical interconnection for an electro-hydraulic brake system using wire form buttons

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