DE4122897C1 - Control unit housing for motor vehicle - is surrounded by screened housing for protection of electronics from engine heat - Google Patents

Control unit housing for motor vehicle - is surrounded by screened housing for protection of electronics from engine heat

Info

Publication number
DE4122897C1
DE4122897C1 DE19914122897 DE4122897A DE4122897C1 DE 4122897 C1 DE4122897 C1 DE 4122897C1 DE 19914122897 DE19914122897 DE 19914122897 DE 4122897 A DE4122897 A DE 4122897A DE 4122897 C1 DE4122897 C1 DE 4122897C1
Authority
DE
Germany
Prior art keywords
housing
collar
mounting surface
electronics
protection
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.)
Expired - Fee Related
Application number
DE19914122897
Other languages
German (de)
Inventor
Rudolf Dipl.-Ing. Haberstroh (Fh), 7745 Schonach, De
Wolfgang Ing.(Grad.) 7032 Sindelfingen De Rohde
Michael Weiz At Fasching
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.)
Daimler Benz AG
Original Assignee
Mercedes Benz AG
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 Mercedes Benz AG filed Critical Mercedes Benz AG
Priority to DE19914122897 priority Critical patent/DE4122897C1/en
Application granted granted Critical
Publication of DE4122897C1 publication Critical patent/DE4122897C1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/0049—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means for non integrated articles
    • B60R2011/005—Connection with the vehicle part
    • B60R2011/0052—Connection with the vehicle part using screws, bolts, rivets or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/0049—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means for non integrated articles
    • B60R2011/0064—Connection with the article
    • B60R2011/0075—Connection with the article using a containment or docking space

Abstract

A housing (12) of metal, e.g. aluminium, is used for control equipment of a road vehicle and is mounted on a surface (17) in the engine compartment. A thermal shield is provided by an outer unit (14) of plastics material. The housing has several studs (20) that receive bolts (24) for fixing purposes. The edges of the housing are shaped to clamp against the formed flange (28) on the shielding unit. In this way no extra bolts are required. A sealing inset (34) is set into a groove in the shielding unit. ADVANTAGE - Protection against thermal effects without increasing mounting expenditure.

Description

Die Erfindung betrifft ein Gehäuse, insbesondere für Steuerge­ räte von Kraftfahrzeugen, das mit einer seiner Gehäuseflächen mit einer Montagefläche verspannbar ist.The invention relates to a housing, in particular for Steuerge advises of motor vehicles with one of its housing surfaces can be braced with a mounting surface.

Solche Gehäuse (vgl. WO 86/06 334) nehmen üblicherweise Kompo­ nenten der Fahrzeugelektronik auf und werden in der Regel im Motorraum von Fahrzeugen installiert. Außer der von den Steuer­ geräten abgegebenen Wärme werden deshalb solche Gehäuse durch die Motorbetriebswärme häufig in nicht mehr tolerierbarem Maße aufgeheizt.Such housings (cf. WO 86/06 334) usually take compo components of vehicle electronics and are usually used in Engine compartment of vehicles installed. Except for the tax Applied heat is therefore such housing the engine operating heat is often no longer tolerable heated up.

Es ist deshalb Aufgabe der Erfindung, die Einstrahlung der Betriebswärme auf das Gehäuse auf ein vertretbares Niveau zu senken, ohne für die dazu ergriffene Maßnahme den Montageaufwand zu erhöhen.It is therefore an object of the invention to radiate the operating heat to lower the housing to an acceptable level without for the measure taken to increase the assembly effort.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Patentanspruches 1 gelöst.This object is achieved by the characterizing Features of claim 1 solved.

Durch die erfindungsgemäße Konstruktion ist somit eine wirksame Abschirmung des Gehäuses gegenüber Umgebungstemperaturen er­ reicht, wobei auf eine gesonderte Befestigung seines Schirmge­ häuses verzichtet werden kann, indem dasselbe bei der Gehäuse­ montage mit einem von Teilen des Gehäuses durchsetzten Kragen zwangsläufig zwischen diesem und der Montagefläche verspannt wird. Die Montagefläche bildet dabei eine Kühlfläche, in die von den mit ihr verspannten Teilen von Gehäuse und Schirmge­ häuse Wärme abfließen kann.The construction according to the invention is therefore an effective one Shielding the housing from ambient temperatures enough, with a separate attachment of its screen can be dispensed with by doing the same with the housing assembly with a collar penetrated by parts of the housing inevitably clamped between this and the mounting surface becomes. The mounting surface forms a cooling surface in which  of the parts of the housing and shield braced with it heat can flow away.

Eine bevorzugte Ausführungsform der Erfindung ist Gegenstand des Patentanspruches 2. Durch sie ist ein konzentrierter Wär­ meabfluß vom Gehäuse zur Montagefläche gewährleistet.A preferred embodiment of the invention is the subject of claim 2. It is a concentrated heat outflow from the housing to the mounting surface guaranteed.

Eine weitere Ausgestaltung der Erfindung ist Gegenstand des Patentanspruches 3. Sie bietet den Vorteil, für aus dem Gehäuse weg- sowie aus dem die Montagefläche enthaltenden Raum heraus­ zuführende Anschlußkabel der im Gehäuse installierten Steuer­ geräte den Befestigungsort des Gehäuses zugleich als Leitungs­ durchführung benutzen zu können.Another embodiment of the invention is the subject of Claim 3. It offers the advantage of out of the housing away and out of the space containing the mounting surface supply connection cable of the control installed in the housing devices the mounting location of the housing at the same time as a line to be able to use implementation.

In diesem Falle kommt es auf eine zuverlässige Abdichtung der­ selben an, was sich in einfacher und vorteilhafter Weise gemäß Patentanspruch 4 erzielen läßt.In this case there is a reliable sealing of the same to what is in a simple and advantageous manner Claim 4 can achieve.

Im Falle einer Montage des Gehäuses im Motorraum von Kraftfahr­ zeugen kann dasselbe samt Schirmgehäuse unmittelbar an die Karosseriestirnwand angebaut werden, wobei dann für die vom Gehäuse in das Karosserieinnere zu führende Anschlußkabel keine spezielle Anordnung einer Abdichtmanschette erforderlich ist.In case of mounting the housing in the engine compartment of Kraftfahr the same can be witnessed together with the screen housing directly to the Body bulkhead are grown, then for the from Housing to lead inside the body none special arrangement of a sealing sleeve is required.

Eine in hohem Maße Dichtigkeit gewährleistende Konstruktion ist dabei Gegenstand des Patentanspruches 5.A construction that ensures a high degree of tightness subject of claim 5.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dar­ gestellt.In the drawing, an embodiment of the invention is shown posed.

10 bezeichnet als Ganzes eine Baueinheit, die ein aus einem vorzugsweise flach-quaderförmigen, vorzugsweise aus gut wärme­ leitendem Material, wie Aluminium, bestehenden Gehäuse 12 und ein dasselbe aufnehmendes, vorzugsweise aus Kunststoff bestehendes Schirmgehäuse 14 umfaßt. Dasselbe ist zum Einbrin­ gen des Gehäuses 12 am nicht dargestellten Hinterende mittels eines Deckels dicht verschließbar. 10 designates as a whole a unit, which preferably comprises an of a preferably flat-cuboid of good heat conducting material such as aluminum, existing housing 12 and a receiving same, preferably made of plastic screen housing fourteenth The same can be sealed for insertion of the housing 12 at the rear end, not shown, by means of a cover.

Das Gehäuse 12 nimmt, was einfachheitshalber nicht dargestellt ist, Komponenten der Fahrzeugelektronik auf, und ist, wie ge­ zeigt, an einer Montagefläche 16 eines Trägers 17 anschraubbar. Hierzu weist es einen von einer Gehäuseflachseite 18 außen ab­ ragenden Kragen 20 auf, der vorzugsweise von Schraubendurchtrittsöffnungen 22 zum Einbringen von den Träger 17 durchdringenden Spannschrauben 24 durchsetzt ist.The housing 12 takes, which is not shown for the sake of simplicity, components of the vehicle electronics, and, as ge shows, can be screwed onto a mounting surface 16 of a carrier 17 . For this purpose, it has a collar 20 projecting from the outside of a flat housing 18 , which is preferably penetrated by screw passage openings 22 for the insertion of tensioning screws 24 penetrating the carrier 17 .

Mit seiner ebenen Stirnfläche 26 ist der Kragen 20 mit der ebenen Montagefläche 16 des Trägers 17 verspannt. Dabei ist zugleich das Schirmgehäuse 14 mit der Montagefläche 16 ab­ gedichtet verspannt, ohne hierzu spezielle Befestigungsmittel benutzen zu müssen.With its flat end face 26 , the collar 20 is clamped to the flat mounting surface 16 of the carrier 17 . At the same time, the shield housing 14 is clamped from the mounting surface 16 , without having to use special fastening means.

Zu diesem Zweck weist das Schirmgehäuse 14 an seiner der Mon­ tagefläche 16 zugekehrten Gehäuseflachseite einen nach innen ragenden, vom Kragen 20 durchsetzten Bund 28 auf, der eine vorzugsweise umlaufende, innere Abstützschul­ ter 30 bildet.For this purpose, the shield housing 14 on its Mon flat 16 facing housing flat side an inwardly projecting, penetrated by the collar 20 collar 28 , which forms a preferably circumferential, inner support school ter 30 .

In den Bund 28 ist an seiner der Montagefläche 16 zu­ gekehrten Stirnfläche eine geschlossen umlaufende Nut 32 ein­ geformt, die eine Dichtung 34 aufnimmt. Die Dicke des Bundes 28 entspricht im wesentlichen dem Überstand des Kragens 20 von der Gehäuseflachseite 18.In the collar 28 a closed circumferential groove 32 is formed on its face 16 facing the mounting surface 16 , which receives a seal 34 . The thickness of the collar 28 corresponds essentially to the protrusion of the collar 20 from the flat side 18 of the housing.

Beim Verspannen des Gehäuses 12 mittels seines Kragens 20 und der Spannschrauben 24 mit der Montagefläche 16 wird somit zwangsläufig auch der Bund 28 zwischen der Flachseite 18 des Gehäuses 12 und der Montagefläche 16 abdich­ tend eingespannt.During clamping of the housing 12 by means of its collar 20 and the clamping screws 24 to the mounting surface 16 and the collar 28 is thus clamped between the waterproofing tend flat side 18 of the housing 12 and the mounting surface 16 inevitably.

Der Dichtung 34 ist hierbei an der Montagefläche 16 vorzugs­ weise ein sich an dieser abstützender, eine zuverlässige Ab­ dichtung gewährleistender Anpreßsteg 36 zugeordnet.The seal 34 is in this case on the mounting surface 16 preferably as a support on this, a reliable seal from ensuring the contact web 36 is assigned.

Um nach dem Einführen des Gehäuses 12 in das Schirmgehäuse 14 beide Gehäuse selbsttätig zueinander festzulegen, ist eine Rastverbindung 38 vorgesehen. Beim vorliegenden Ausführungs­ beispiel weist diese an gegenüberliegenden Wänden 40, 42 bei­ spielsweise des Gehäuses 12 federnde Rastzungen 44 und 46 auf, denen an der Innenseite benachbarter Wände 48 und 50 des Schirmgehäuses 14 jeweils eine Rastnocke 52 bzw. 54 zugeordnet ist.In order to automatically fix both housings to one another after the housing 12 has been inserted into the shield housing 14 , a latching connection 38 is provided. In the present embodiment, for example, this has on opposite walls 40 , 42 in example of the housing 12 resilient locking tongues 44 and 46 , which are each assigned a locking cam 52 and 54 on the inside of adjacent walls 48 and 50 of the screen housing 14 .

Für den Kabelabgang aus dem Gehäuse 12 ist innerhalb seines Kragens 20 eine Kabelöffnung 56 vorgesehen. Dieser ist im Träger 17 eine Kabeldurchgangsöffnung 58 zugeordnet.A cable opening 56 is provided within its collar 20 for the cable outlet from the housing 12 . This is assigned a cable passage opening 58 in the carrier 17 .

Der Träger 17 kann beispielsweise die Stirnwand einer Fahrzeug­ karosserie bilden, in die, aufgrund der satten Anlage des Kragens 20 an dieser, ein guter Wärmeabfluß aus dem Gehäuse 12 erfolgen wird. Hierzu sind die Berührungsflächen dieser Teile zweckmäßig rein metallisch bzw. lackfrei ausge­ führt.The carrier 17 can, for example, form the end wall of a vehicle body, into which, due to the full abutment of the collar 20 , good heat flow from the housing 12 will take place. For this purpose, the contact surfaces of these parts are expediently purely metallic or paint-free.

Der Wärmeabfluß läßt sich noch dadurch begünstigen, daß, wie bei 60 strichpunktiert angedeutet ist, der Kragen 20 bereichsweise entsprechend vergrößert ausgelegt sein kann, um den Kontaktbereich mit der Montagefläche 16 entsprechend zu vergrößern.The heat flow can be further favored in that, as indicated by the dot-dash line at 60 , the collar 20 can be designed correspondingly enlarged in some areas in order to correspondingly enlarge the contact area with the mounting surface 16 .

Claims (6)

1. Gehäuse, insbesondere für Steuergeräte von Kraftfahrzeugen, das mit einer seiner Gehäuseflächen mit einer Montagefläche verspannbar ist, dadurch gekennzeichnet, daß das Gehäuse (12) von einem Schirmgehäuse (14) umschlossen ist, das im Bereich der Montagefläche (16) einen nach innen ragenden und von einem Kragen (20) des Gehäuses (12) über­ griffenen Bund (28) aufweist, und über diesen Bund (28) zu­ sammen mit dem diesen durchsetzenden Kragen (20) auf der Mon­ tagefläche (16) verspannt ist.1. Housing, in particular for control units of motor vehicles, which can be braced with one of its housing surfaces with a mounting surface, characterized in that the housing ( 12 ) is enclosed by a shield housing ( 14 ) which in the area of the mounting surface ( 16 ) has an interior protruding and from a collar ( 20 ) of the housing ( 12 ) over gripped collar ( 28 ), and via this collar ( 28 ) together with the collar ( 20 ) penetrating it on the Mon day surface ( 16 ) is clamped. 2. Gehäuse nach Anspruch 1, dadurch gekennzeichnet, daß der Kragen (20) des Gehäuses (12) mit der Montagefläche (16) verschraubt ist.2. Housing according to claim 1, characterized in that the collar ( 20 ) of the housing ( 12 ) with the mounting surface ( 16 ) is screwed. 3. Gehäuse nach Anspruch 2, dadurch gekennzeichnet, daß der Kragen (20) eine Kabeldurchgangsöffnung (56) um­ schließt, die an eine Öffnung (58) in der Montagefläche (16) anschließt.3. Housing according to claim 2, characterized in that the collar ( 20 ) closes a cable passage opening ( 56 ) which connects to an opening ( 58 ) in the mounting surface ( 16 ). 4. Gehäuse nach Anspruch 3, dadurch gekennzeichnet, daß der Bund (28) des Schirmgehäuses (14) eine zwischen diesem und der Montagefläche (16) eingespannte Dichtung (34) trägt. 4. Housing according to claim 3, characterized in that the collar ( 28 ) of the screen housing ( 14 ) carries a between this and the mounting surface ( 16 ) clamped seal ( 34 ). 5. Gehäuse nach Anspruch 4, dadurch gekennzeichnet, daß die Montagefläche (16) einen von ihr abragenden und sich an der Dichtung (34) abstützenden Steg (36) aufweist.5. Housing according to claim 4, characterized in that the mounting surface ( 16 ) has a projecting from it and on the seal ( 34 ) supporting web ( 36 ). 6. Gehäuse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Gehäuse (12) und Schirmgehäuse (14) miteinander lösbar verrastbar sind.6. Housing according to one of the preceding claims, characterized in that the housing ( 12 ) and shield housing ( 14 ) are releasably latched together.
DE19914122897 1991-07-11 1991-07-11 Control unit housing for motor vehicle - is surrounded by screened housing for protection of electronics from engine heat Expired - Fee Related DE4122897C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914122897 DE4122897C1 (en) 1991-07-11 1991-07-11 Control unit housing for motor vehicle - is surrounded by screened housing for protection of electronics from engine heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914122897 DE4122897C1 (en) 1991-07-11 1991-07-11 Control unit housing for motor vehicle - is surrounded by screened housing for protection of electronics from engine heat

Publications (1)

Publication Number Publication Date
DE4122897C1 true DE4122897C1 (en) 1992-06-11

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DE19914122897 Expired - Fee Related DE4122897C1 (en) 1991-07-11 1991-07-11 Control unit housing for motor vehicle - is surrounded by screened housing for protection of electronics from engine heat

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305597C1 (en) * 1993-02-24 1994-02-17 Daimler Benz Ag Plastics access cover for vehicle battery housing or fuse box - has inclined main surface extending from L=shaped support mounting at one end to roof-ridge at other form, with thinned cross=section to form hinges in surface adjacent roof-ridge to allow pivoting
DE19936880A1 (en) * 1999-08-05 2001-02-01 Daimler Chrysler Ag Motor-vehicle control devices receptacle arrangement, has receptacle frame with its single-piece sheet-metal frame-wall surrounding the control devices
DE19936887A1 (en) * 1999-08-05 2001-02-01 Daimler Chrysler Ag Fixture device for mounting electronics units in motor vehicle engine bay, has retainer fitting on partition wall for positionally fixing a control device or devices on it with the partition wall perforated by at least one control device
DE102020201954A1 (en) 2020-02-17 2021-08-19 Vega Grieshaber Kg Protective device for sealing a sensor device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006334A1 (en) * 1985-04-20 1986-11-06 Robert Bosch Gmbh Housing for an electric control apparatus particularly for a motor vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006334A1 (en) * 1985-04-20 1986-11-06 Robert Bosch Gmbh Housing for an electric control apparatus particularly for a motor vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305597C1 (en) * 1993-02-24 1994-02-17 Daimler Benz Ag Plastics access cover for vehicle battery housing or fuse box - has inclined main surface extending from L=shaped support mounting at one end to roof-ridge at other form, with thinned cross=section to form hinges in surface adjacent roof-ridge to allow pivoting
DE19936880A1 (en) * 1999-08-05 2001-02-01 Daimler Chrysler Ag Motor-vehicle control devices receptacle arrangement, has receptacle frame with its single-piece sheet-metal frame-wall surrounding the control devices
DE19936887A1 (en) * 1999-08-05 2001-02-01 Daimler Chrysler Ag Fixture device for mounting electronics units in motor vehicle engine bay, has retainer fitting on partition wall for positionally fixing a control device or devices on it with the partition wall perforated by at least one control device
DE102020201954A1 (en) 2020-02-17 2021-08-19 Vega Grieshaber Kg Protective device for sealing a sensor device
DE102020201954B4 (en) 2020-02-17 2023-08-10 Vega Grieshaber Kg Protective device for sealing a sensor device

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DAIMLER-BENZ AKTIENGESELLSCHAFT, 70567 STUTTGART,

8327 Change in the person/name/address of the patent owner

Owner name: DAIMLERCHRYSLER AG, 70567 STUTTGART, DE

8339 Ceased/non-payment of the annual fee