WO2008083878A1 - Élément de fixation pour cartes de circuits imprimés - Google Patents

Élément de fixation pour cartes de circuits imprimés Download PDF

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Publication number
WO2008083878A1
WO2008083878A1 PCT/EP2007/063253 EP2007063253W WO2008083878A1 WO 2008083878 A1 WO2008083878 A1 WO 2008083878A1 EP 2007063253 W EP2007063253 W EP 2007063253W WO 2008083878 A1 WO2008083878 A1 WO 2008083878A1
Authority
WO
WIPO (PCT)
Prior art keywords
printed circuit
circuit boards
fixing element
housing
circuit board
Prior art date
Application number
PCT/EP2007/063253
Other languages
German (de)
English (en)
Inventor
Andre Carvalho
Robert Gruber
Simon Klepsch
Stefan Peck
Original Assignee
Continental Automotive 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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2008083878A1 publication Critical patent/WO2008083878A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/144—Stacked arrangements of planar printed circuit boards
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
    • H05K7/142—Spacers not being card guides

Definitions

  • the invention relates to a fixing element for a plurality of stacked with electrical components assembled printed circuit boards, which are fixed in a housing assembly for receiving the printed circuit boards.
  • a disadvantage of the prior art is that permanently mounted printed circuit boards are deformed under the action of heat, as a result of which the electrical components on the printed circuit board or the electrical contacts can be damaged. Due to the non-stress-free mounting of the printed circuit board under the effect of heat, it is also not possible to ensure a thermally optimized structure with defined thermal exchange layers. In addition, the space on the circuit board is significantly limited by the glands.
  • the present invention has the object to provide a fixing element for a plurality of superimposed arranged with electrical components printed circuit boards, which allows a stress-free mounting of the circuit boards, but forms defined heat transfer areas and requires little space on the circuit board.
  • the fixing element according to the invention for a plurality of printed circuit boards equipped with electrical components stacked one above the other and fixed in a housing arrangement for receiving the printed circuit boards is characterized in that the fixing element is designed as a spreading functional group.
  • the spreading functional group can be formed both as a rigid component, for example in the form of a screw or plug element and as a flexible, deformable component in the form of an elastic spring element.
  • a fastening means is preferably introduced with a screw mechanism, for example a screw, via an opening in the housing bottom and subsequently screwed through the upper printed circuit board and the threaded element.
  • the screwing is continued until either the screw presses on the underside of the lower circuit board or the screw reaches a pressure element and thereby presses the lower circuit board to a designated cooling surface of the housing cover.
  • a threaded sleeve is fixed on the underside to the lower printed circuit board.
  • a threaded bolt In the threaded sleeve is a threaded bolt.
  • the assembly of superposed printed circuit boards including the expanding functional group, ie the threaded sleeve and the threaded bolt is inserted into the housing cover and closed with the housing bottom. Thereafter, from the outside of the threaded bolt via an opening in the housing base screwed so that it moves upwards and thereby the two boards are pressed against the housing parts.
  • Screwing tool can be accessed directly on the threaded bolt.
  • Another advantage is that no screw feed is needed. The board is no longer bent by this solution during Versp Schwarzrea because the normal force of the screwing is brought directly to the threaded bolt. This prevents breakage of solder joints or electrical components.
  • the connection of the upper circuit board to the housing bottom or the connection of the lower circuit board to the housing cover means that no stepped arrangement of the circuit boards is needed and thus both circuit boards can be made approximately the same size. This provides more board space for the placement of electrical components.
  • Another advantage is also to be seen in the fact that in the lower board, which is attached to the housing cover, no holes for a screw connection must be introduced. Only the underside of the circuit board is used at this point for the pressure-receiving element.
  • a spring element can be used which presses apart the printed circuit boards arranged one above the other, so that they fit snugly against the corresponding housing parts, in particular the housing cover and the housing bottom, in the preferably two-part molded housing arrangement.
  • the height tolerances of the cooling surfaces, the sinkers and the threaded element are compensated by a seal. moreover can be advantageously tested the entire electrical system on its functionality even before it is mounted in the housing. This makes it easier to repair or eliminate errors during manufacturing.
  • FIG. 1 shows a sectional view of a first exemplary embodiment of a fixing element according to the invention with a rigid component as a spreading functional group;
  • FIG. 2 is a sectional view of a second embodiment of the fixing element according to the invention with a rigid component as a spreading functional group;
  • FIG 3 is a sectional view of a further embodiment of the fixing element according to the invention with a deformable component as a spreading function group.
  • Figure 1 shows a sectional view of an embodiment of a fixing element 1 according to the invention for superimposed circuit boards 2, 3 in a preferably two-piece electronics housing with housing bottom 4 and housing cover 5.
  • a through-hole element 6, preferably a threaded element which can also be formed as a spacer sleeve between the circuit boards 2, 3, arranged.
  • the electrically and mechanically connected circuit boards 2, 3 are inserted into the housing cover 5 on a cooling surface 7 arranged there become. Thereafter, the housing bottom 4 is placed with a cooling surface 8 on the circuit board 2.
  • a fastening means 9 preferably a screw or plug element is inserted via a through-hole 10 in the housing base 4 and secured to the circuit board 2 by the through-connector 6 until it abuts on a side of the printed circuit board 3 arranged pressure receiving element 14.
  • the through-hole 10 is continued in order to be able to pass the fastening means 9 through the printed circuit board 2.
  • a seal 11 is arranged in these areas.
  • FIG. 2 shows a sectional view of a second embodiment of the fixing element 1 according to the invention with a rigid component as a spreading functional group.
  • a sleeve element 12 is arranged on the underside of the printed circuit board 3 here.
  • the fastening means 9 is here in the form of a threaded bolt.
  • the assembly consisting of the printed circuit boards 2, 3 and the expanding functional group of sleeve member 12 and fastening means 9 in the form of a threaded bolt is inserted into the housing cover 5 and closed with the housing bottom 4. Thereafter, the threaded bolt is screwed from the outside via a through-hole 10 in the housing base 4, so that this moves upwards and thus the two printed circuit boards 2, 3 pressed against both housing parts.
  • FIG. 3 shows in a sectional view a further embodiment of the fixing element 1 according to the invention with a deformable component as a spreading functional group.
  • a deformable component as a spreading functional group.
  • it is provided to press the printed circuit board 2, 3 by means of an elastic spring element 13 against the corresponding cooling surfaces 7, 8 of the housing bottom 4 or of the housing cover 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)

Abstract

La présente invention concerne un élément de fixation (1) pour une pluralité de cartes de circuits imprimés (2, 3) superposées et équipées de composants électriques, lesquelles cartes sont fixées dans un ensemble boîtier destiné à loger les cartes de circuits imprimés (2, 3). Selon l'invention, l'élément de fixation (1) est conçu sous forme de groupe fonctionnel écarteur.
PCT/EP2007/063253 2007-01-09 2007-12-04 Élément de fixation pour cartes de circuits imprimés WO2008083878A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710001415 DE102007001415A1 (de) 2007-01-09 2007-01-09 Fixierungselement für Leiterplatten
DE102007001415.7 2007-01-09

Publications (1)

Publication Number Publication Date
WO2008083878A1 true WO2008083878A1 (fr) 2008-07-17

Family

ID=39400495

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/063253 WO2008083878A1 (fr) 2007-01-09 2007-12-04 Élément de fixation pour cartes de circuits imprimés

Country Status (2)

Country Link
DE (1) DE102007001415A1 (fr)
WO (1) WO2008083878A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110463364A (zh) * 2017-05-04 2019-11-15 宝马股份公司 电子模块
CN113271730A (zh) * 2021-05-27 2021-08-17 四川海英电子科技有限公司 一种高密度任意互连印制电路板的制作方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010063158A1 (de) * 2010-12-15 2012-06-21 Robert Bosch Gmbh Steuergerät und Verfahren zum Herstellen eines Steuergeräts
DE102014114569A1 (de) * 2014-10-08 2016-04-14 Connaught Electronics Ltd. Kamera für ein Kraftfahrzeug mit einer Haltevorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376479A (en) * 1965-04-30 1968-04-02 Sperry Rand Corp Means for operatively connecting printed circuit boards
DE3243867A1 (de) * 1982-11-26 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Traegervorrichtung zum loesbaren befestigen von mehreren nebeneinander angeordneten leiterplatten
US4855873A (en) * 1988-06-03 1989-08-08 Hayes Microcomputer Products, Inc. Standoff and grounding clip assembly
DE19506668A1 (de) * 1995-02-25 1996-08-29 Valeo Borg Instr Verw Gmbh Montagehilfe für den Einbau einer Leiterplatte in ein Gehäuse
US20060046532A1 (en) * 2004-08-31 2006-03-02 American Power Conversion Corporation Board to board current connection
DE102004041207A1 (de) * 2004-08-25 2006-03-30 Siemens Ag Vorrichtung zur Verbindung von Leiterplatten

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134562B4 (de) 2001-07-16 2007-08-09 Tridonicatco Connection Technology Gmbh & Co Kg System und Verfahren zur elektrischen Kontaktierung und mechanischen Befestigung von Leiterplatten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376479A (en) * 1965-04-30 1968-04-02 Sperry Rand Corp Means for operatively connecting printed circuit boards
DE3243867A1 (de) * 1982-11-26 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Traegervorrichtung zum loesbaren befestigen von mehreren nebeneinander angeordneten leiterplatten
US4855873A (en) * 1988-06-03 1989-08-08 Hayes Microcomputer Products, Inc. Standoff and grounding clip assembly
DE19506668A1 (de) * 1995-02-25 1996-08-29 Valeo Borg Instr Verw Gmbh Montagehilfe für den Einbau einer Leiterplatte in ein Gehäuse
DE102004041207A1 (de) * 2004-08-25 2006-03-30 Siemens Ag Vorrichtung zur Verbindung von Leiterplatten
US20060046532A1 (en) * 2004-08-31 2006-03-02 American Power Conversion Corporation Board to board current connection

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110463364A (zh) * 2017-05-04 2019-11-15 宝马股份公司 电子模块
CN110463364B (zh) * 2017-05-04 2022-07-19 宝马股份公司 电子模块
CN113271730A (zh) * 2021-05-27 2021-08-17 四川海英电子科技有限公司 一种高密度任意互连印制电路板的制作方法
CN113271730B (zh) * 2021-05-27 2022-08-26 四川海英电子科技有限公司 一种高密度任意互连印制电路板的制作方法

Also Published As

Publication number Publication date
DE102007001415A1 (de) 2008-07-10

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