WO2010020468A1 - Appareil électrique, en particulier capteur satellite pour un véhicule automobile - Google Patents
Appareil électrique, en particulier capteur satellite pour un véhicule automobile Download PDFInfo
- Publication number
- WO2010020468A1 WO2010020468A1 PCT/EP2009/058651 EP2009058651W WO2010020468A1 WO 2010020468 A1 WO2010020468 A1 WO 2010020468A1 EP 2009058651 W EP2009058651 W EP 2009058651W WO 2010020468 A1 WO2010020468 A1 WO 2010020468A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrical device
- recess
- mounting plate
- fastening
- housing
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0073—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having specific features for mounting the housing on an external structure
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0078—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units specially adapted for acceleration sensors, e.g. crash sensors, airbag sensors
Definitions
- the invention relates to an electrical device, in particular a satellite sensor for a motor vehicle.
- a satellite sensor for a motor vehicle is typically attached to a mounting wall of the motor vehicle.
- a mounting wall may be provided for example in a motor vehicle door.
- the mounting wall is typically formed of a metal and has a keyhole-shaped recess. Through the recess of the mounting wall through the satellite sensor can be screwed with a screw to the mounting wall.
- a housing dome of the satellite sensor protrudes into the recess, the housing dome and the corresponding section of the recess being adapted to one another.
- a certain position on the mounting wall is forced when attaching the satellite sensor, since the fixation is possible only in a single position.
- protection against intentional or unintentional twisting of the satellite sensor is provided.
- the defined attachment to the mounting wall and the protection against rotation of the satellite sensor is necessary to protect the electronic components contained in the satellite sensor from environmental influences, in particular moisture and dirt. Since the mounting wall often divides a cavity provided in the bodywork into a dampening and a drying space and an undesired connection between the dampening space and the drying space is created by the recess, it is necessary in the described attachment in the region of the recess after the Mounting the satellite sensor to apply a potting compound. This requires an additional work step, which must also be performed in a difficult to reach place. Next the time required to carry out the sealing step are the costs incurred by the potting material disadvantage.
- the invention provides an electrical device, in particular a satellite sensor for a motor vehicle, comprising a housing for receiving one or more components.
- a socket is formed, via which the electrical device can be fastened by means of a fastening element through a recess of a mounting plate to the fastening plate.
- the socket is provided with a flange which completely covers the recess of the mounting plate when the electrical device is mounted on the mounting plate, and / or which is provided with at least one projection which projects into the recess of the mounting plate and by the interaction of at least a projection and the recess is secured against rotational movement when the electrical device is mounted on the mounting plate.
- one or more projections may be arranged on the flange, which in cooperation with a correspondingly configured recess force a clear positioning of the electrical device to the mounting plate.
- the projections may be arranged and configured such that mounting of the electrical device to the mounting plate is possible only when a correct position is reached and the projections protrude through the corresponding portions of the recess.
- the electrical device according to the invention can also be produced in a simple and cost-effective manner, when the socket is encapsulated by the material of the housing. In addition to a simple manufacture, this also causes the firm anchoring of the socket on or in the housing.
- the socket has a bore for receiving the fastener.
- the fastening element is in particular a screw or a bolt or a rivet.
- the electrical device is screwed to the mounting plate, since then a simple replacement of the electrical device in the event of a defect is possible.
- the bore is provided for this purpose with an internal thread.
- the socket is formed in a housing flange of the housing.
- the bush is formed of a rigid material, in particular a metal. This is expedient since all forces to be absorbed as part of the attachment act on the bushing. By using As a result of the formation of a stiff material, this can not lead to deformations of the electrical device in the region of its fastening as well as in the area of the electrical components.
- the fastening element expediently has a fastening head which, when the electrical device is mounted on the fastening plate, is arranged on the side of the fastening plate opposite the housing, wherein the fastening head is dimensioned such that the at least one projection of the Flange of
- Socket is adjacent. As a result, a maximum area is used for power transmission.
- the fastening head has on its side facing the fastening plate a top plate, which forms the outer edge of the fastening head. In this way, it is ensured that the fixing element prefixed to the electrical device is guided through a correspondingly formed recess of the fastening plate, and yet a fixation of the electrical device to the fastening plate via the fastening element can be realized.
- the minimum dimensions of a first leg of the recess are expediently determined by the dimensions of the attachment head and the at least one projection.
- the dimensions of a second leg, which expediently extends to the first leg of the recess, are dimensioned such that the fastening element prefixed to the electrical device can be guided through.
- 1 shows an inventive electrical device in a side sectional view
- 2 is a view of the electrical device from below
- FIG. 3 is a perspective view of the electrical see device from below
- 4A to 4C a metric view of a socket used in or on the electrical device for fixing the electrical device to a fastening plate
- FIG. 5 is a sectional view of the socket shown in Fig. 4,
- FIG. 6 is a plan view of a mounting plate to which the electrical device is attached
- 7A, 7B show a plan view and a sectional side view of an electrical device attached to the mounting plate
- FIGS. 9A to 9C each show, in a perspective view, the steps taken in attaching the electrical appliance to the mounting plate.
- FIGS 1 to 3 show an inventive electrical device 1 in a sectional side view, a bottom view and a perspective view from below.
- the electrical device 1 in particular represents a satellite sensor for a motor vehicle, which is installed, for example, in the interior of a motor vehicle door. Satellite sensors are used It is known to provide a central control unit with acceleration or pressure signals for a personal protection system, such as airbags, belt tensioners, etc.
- the electrical device 1 has a housing 2 made of a plastic.
- a printed circuit board 14 is provided with electrical components 13 arranged thereon.
- one of the electrical components 13 is a sensor, e.g. for recording a pressure or an acceleration.
- further electrical components may be arranged on the printed circuit board 14.
- a potting compound 16 is applied to the circuit board 14.
- electrical components 13 are arranged on both sides of the printed circuit board 14, and electrical components can be enclosed by the potting compound 16.
- the housing 2 For electrical contacting of the device 1, the housing 2 has a contact cup 4, inside which a number of contact pins 15 extends.
- the contact cup 4 is formed in a known manner to be connected to a correspondingly formed plug (not shown), wherein an electrical contact to the number of contact pins 15 is made.
- the housing 2 further comprises a mounting flange 3, in which a sleeve 5 formed of a rigid material, in particular metal, is arranged.
- the bushing 5 is encapsulated by material of the housing, so that it is securely anchored in the mounting flange 3.
- the structural design of the electrical device 1 is known in principle from the prior art and incidentally for the invention of only minor importance.
- the socket 5 has a flange 6, which extends over almost the entire width of the mounting flange 3.
- the bushing 3 has a bore 8, which is provided with an internal thread 9 for a fastening element, in particular a screw.
- a fastening element in particular a screw.
- two oppositely arranged projections 7 are formed on the flange 6.
- FIGS. 4 and 5 show the socket 5 in a metric representation.
- FIGS. 4A, 4B show the outside of a socket body 17 in a profiling in order to improve the anchoring in the housing material of the fastening flange 3.
- the arrangement of the two projections 7, their shape and their distance from each other is dependent on the fastener 10 used, with which the device 1 is attached to a mounting plate 20, and the dimensions of a recess 21 of the mounting plate 20th
- the formation of the recess 21 in the mounting plate 20 can best be seen from Fig. 6.
- the recess 21 has an approximately cruciform shape.
- a first, narrow leg 22 intersects with a second, wide leg 23.
- the first, narrow leg 22 has a length and a width such that the projections 7 of the socket 5 adjoin the opposite ends thereof.
- the second, wide leg 23 of the recess 21 has a first section 26 and a second section 27 opposite thereto.
- the first section 26 is approximately semicircular in shape and has a larger width compared to the second section.
- this particular embodiment of the second leg with the intersecting first leg 22 serves to be able to pass the fixing element 10 prefixed to the electrical device 1 through the recess 21 for fastening the electrical device.
- FIGS. 7A, 7B The attachment of the electrical device 1 to the mounting plate 20 can be seen in FIGS. 7A, 7B.
- the fastening element 10 is guided through the recess 21 and screwed to the internal thread 9 of the bushing 5, so that the flange 6 rests in a sealing manner against the fastening plate 20.
- a force acting on the mounting plate 20 via a head plate 12 of the fastening head 11, which defines its outer edge, in the position shown in Fig. 7B protrude the projections 7 of the socket 5 in the recess 21, ie in the opposite ends of the first, narrow leg 22 into it, whereby a fixation tion of the socket 5 and thus of the electrical device 1 against rotation is ensured.
- the top plate 12 of the mounting head 11 of the fastener 10 is adjacent to the projections 7, wherein these have on their the fastener 10 side facing a shape adapted to the shape of the top plate 12 shape.
- an enlargement of the surface of the mounting head 11 is effected, so that in the region of Anpressflachen 24, a force can be exerted on the mounting plate 20.
- the Pressing surfaces 24 are each in the region of the crossing points of the first and second legs 22, 23 of the recess 21st
- FIGS. 9A to 9C the mounting of the electrical device 1 to the mounting plate 20 can be seen. It is assumed that the fastening element 10 is prefixed to the housing 1. This means that the fastening element 10 is only partially screwed into the internal thread 9 of the bore of the bush 5.
- the cruciform shape of the recess 21 allows the head of the fastener 10 to be passed through the recess 21 when the mounting plate 20 and the electrical device 1 are at an obtuse angle to each other.
- the mounting head 11 of the fastener 10 is guided through the first portion of the second leg 23, while the top plate 12 is guided by the first, narrow leg 22 of the recess 21.
- the fastening plate 20 can be applied to the device 1 in such a way that the projections 7 of the flange 6 of the bushing 5 are guided through the first, narrow leg 22 of the recess 21.
- the tightness of the electrical device to the mounting plate 20 is given, so that the fastening element 20 can be screwed to the socket 5.
- the flange 6 is pressed against the mounting plate 20, so that there is sufficient tightness of the environments formed on the opposite sides of the mounting plate 20.
- the invention has the advantage that at the same time an anti-rotation and a seal can be ensured in the attachment to a mounting plate by the modified bushing.
- the usually made of plastic material of the housing existing jump (Dom) to provide an anti-rotation be saved. This results in a reduced material requirement, since neither the projection nor space on the mounting flange needs to be provided for this purpose.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009001487T DE112009001487A5 (de) | 2008-08-18 | 2009-07-08 | Elektrisches Gerät, insbesondere Satelliten-Sensor für ein Kraftfahrzeug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08464014.3 | 2008-08-18 | ||
EP08464014 | 2008-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010020468A1 true WO2010020468A1 (fr) | 2010-02-25 |
Family
ID=41203683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/058651 WO2010020468A1 (fr) | 2008-08-18 | 2009-07-08 | Appareil électrique, en particulier capteur satellite pour un véhicule automobile |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112009001487A5 (fr) |
WO (1) | WO2010020468A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3161334A4 (fr) * | 2014-06-25 | 2018-03-14 | Autoliv Development AB | Système de support de capteur de véhicule |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19737821A1 (de) * | 1996-08-30 | 1998-03-05 | Denso Corp | Elastisches Bauteil und Verfahren und Anordnung zum Anbringen eines Sensors an einem Sensoranbringungsbauteil unter Verwendung desselben |
DE102004050674A1 (de) * | 2004-10-18 | 2006-04-20 | Volkswagen Ag | Befestigungsanordnung für elektrische Komponenten in einem Fahrzeug |
DE102006009017A1 (de) * | 2006-02-27 | 2007-08-30 | Robert Bosch Gmbh | Befestigungsanordnung |
US20080030973A1 (en) * | 2006-08-07 | 2008-02-07 | Trw Automotive Gmbh | Method for the production of a sensor and sensor |
-
2009
- 2009-07-08 WO PCT/EP2009/058651 patent/WO2010020468A1/fr active Application Filing
- 2009-07-08 DE DE112009001487T patent/DE112009001487A5/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19737821A1 (de) * | 1996-08-30 | 1998-03-05 | Denso Corp | Elastisches Bauteil und Verfahren und Anordnung zum Anbringen eines Sensors an einem Sensoranbringungsbauteil unter Verwendung desselben |
DE102004050674A1 (de) * | 2004-10-18 | 2006-04-20 | Volkswagen Ag | Befestigungsanordnung für elektrische Komponenten in einem Fahrzeug |
DE102006009017A1 (de) * | 2006-02-27 | 2007-08-30 | Robert Bosch Gmbh | Befestigungsanordnung |
US20080030973A1 (en) * | 2006-08-07 | 2008-02-07 | Trw Automotive Gmbh | Method for the production of a sensor and sensor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3161334A4 (fr) * | 2014-06-25 | 2018-03-14 | Autoliv Development AB | Système de support de capteur de véhicule |
Also Published As
Publication number | Publication date |
---|---|
DE112009001487A5 (de) | 2012-02-23 |
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