WO2014079423A1 - Dispositif radar pour véhicule - Google Patents

Dispositif radar pour véhicule Download PDF

Info

Publication number
WO2014079423A1
WO2014079423A1 PCT/DE2013/200239 DE2013200239W WO2014079423A1 WO 2014079423 A1 WO2014079423 A1 WO 2014079423A1 DE 2013200239 W DE2013200239 W DE 2013200239W WO 2014079423 A1 WO2014079423 A1 WO 2014079423A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
circuit board
spring
frame
radar device
Prior art date
Application number
PCT/DE2013/200239
Other languages
German (de)
English (en)
Inventor
Ronald Becker
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
Priority to DE112013005538.4T priority Critical patent/DE112013005538A5/de
Publication of WO2014079423A1 publication Critical patent/WO2014079423A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness

Definitions

  • the invention relates to a radar device for a vehicle according to the preamble of patent claim 1.
  • Radar devices for vehicles are known from the prior art and are used, for example, to determine a distance to vehicles in front.
  • a generic radar device is known from DE 10 2007 042 173 AI, in which in a trough-shaped housing two printed circuit boards, namely a printed circuit board with a Ra ⁇ darantenne and high-frequency components (Hochfrequenzlei- terplatte) and another printed circuit board with Niederfre ⁇ quenzbauianan (low-frequency circuit board) added become.
  • the bottom of the trough-shaped housing is designed as a radome.
  • the two circuit boards of this known radar device are connected to a carrier by means of screws and then used with this carrier in the housing, wel ⁇ Ches is closed with a housing cover.
  • the support for the two printed circuit boards consists of a shielding surface enclosing a frame part, the radome side ⁇ front has a support surface for the first circuit board, wherein molded on the shielding ribs together with the shielding and the first circuit board chambers ⁇ the ⁇ .
  • the further printed circuit board is inserted into the frame part and screwed to the carrier, so that at the same time via a breakthrough ⁇ the shielding a plug connection with the first circuit board can be made.
  • This carrier with the two circuit boards is inserted into the housing, so that the frame part lying on the corner side of the housin ⁇ ses, a support plane forming support post rests and can be screwed to these support posts. With the insertion of the carrier in the housing formed as press-fitting contact pins of a stirnseiti ⁇ gen plug are pressed into corresponding connection holes on the second circuit board for electrical contact.
  • the radar frequencies used for such radar devices are 24 GHz or 77 GHz, the problem being that the distance between the antenna arranged on the front side of the radio-frequency printed circuit board and the housing bottom of the housing designed as a radome is critical to tolerances.
  • Such a radar apparatus for a vehicle comprising a closable by a housing cover trough-shaped Ge ⁇ housing, means disposed in the housing, by means of 6.3elemen- th respect to a housing floor positioned first circuit board for receiving an antenna and Hochfrequenzbauele ⁇ elements, a second circuit board for receiving Niederfre ⁇ quenzbauriin, and a frame part with a Ableflä ⁇ che comprises, wherein the frame part rests surface-locking on the first circuit board, is characterized according to the invention in that
  • a spring frame is provided with a perpendicular to the shielding surface on ⁇ facing spring elastic property
  • the spring frame is formed, spring-loaded on the one hand against the positionally fixed in the housing second Lei ⁇ terplatte and on the other hand against the shielding of the Rah ⁇ menteils support, wherein the over the frame part
  • Housing bottom which is preferably designed as a radome is maintained.
  • the position of the second circuit board, so the low-frequency circuit board is precisely defined, because it is lagefi ⁇ xed disposed in the housing and thus the Toleranzan ⁇ requirements for the executed as a press-fit contact pins of a plug for electrically contacting the second circuit board can be satisfied ,
  • the inserted into the frame member spring frame can thereby be brought into its spring-biased state, since further education of the spring frame is designed such that in the non-spring-biased state of the front edge of the frame part is surmounted by the spring frame.
  • the housing for fixing the position of the second circuit board a
  • the spring frame is formed perpendicular to the shielding surface of the frame part with a U-shaped cross-section, wherein a leg portion of the U-shape of the spring frame forms a support surface for the second circuit board.
  • the elastic effect of the spring frame is evenly ver ⁇ shares on the second circuit board, thereby avoiding tension between the second circuit board and the frame part. It is particularly advantageous if the further development of the leg resting on the Able specifications the U-shape of the spring frame is resilient, preferably formed with spring tabs, wherein the spring tabs resiliently rest on the screen surface ⁇ off.
  • the spring ⁇ frame can be produced as a sheet metal part according to training. Further, in prior ⁇ more advantageous way, the frame part is integrally formed with the shielding surface, preferably as a metal casting, eg. Made of cast aluminum.
  • FIG. 1 is an exploded view of a radar device according to the invention
  • Figure 2 is a perspective view of a frame ⁇ part, with inserted spring frame of the radar device according to Figure 1
  • FIG. 3 shows an exploded view of the frame part and of the spring frame according to FIG. 2,
  • Figure 4 is a plan view of the frame part with the inserted ⁇ loaded spring frame according to Figure 2,
  • Figure 5 is a sectional view taken along section A-A of
  • Figure 6 is a perspective view of the radar device of Figure 1 in the assembled state
  • FIG. 7 shows a sectional view along section B-B of the radar device according to FIG. 6.
  • the Radarein ⁇ direction 10 shown fully assembled in Figure 6 consists of Figure 1 from a trough-shaped housing 7 connected via a housing bottom 7c side walls 7a and 7b and a housing cover 8. From this Ge ⁇ housing 7, a first circuit board 4 with high frequency ⁇ elements HF and by a frame part 2 and a Federelas ⁇ elastic spring frame 1 spaced therefrom arranged second printed circuit board 5 recorded with low-frequency components NF, as can be seen from Figure 7. Therefore, in the following, the first printed circuit board 4 also high-frequency printed circuit board or the second printed circuit board 5 also called low-frequency printed circuit board ⁇ .
  • the high-frequency circuit board 4 carries not only on the side facing away from the housing floor high-frequency components HF son- Also housing floor side high-frequency components RF and a radar antenna, these high-frequency components are shielded by a shield 6.
  • the housing bottom 7c of the housing 7 is formed as a radome.
  • the parallel side walls 7a of the housing 7 are a longitudinal ⁇ side walls and the parallel side walls 7b formed as Quersei- tencolour.
  • a female connector 9 is formed, the plug contacts are guided in the housing 7 and bent there bent at right angles in press-fit pins 9a.
  • This area with the press-in terminations 9a is running from another, having the female connector parallel to the transverse side wall 7b of the transverse side wall 7b y from the remaining region of the housing separated.
  • the housing bottom 7c of the housing 7 PFOS ⁇ tenartige abutment members 7d are formed in the edge region, which each form a bearing surface for the on ⁇ introduced into this housing 7 first circuit board. 4
  • the frame part 2 according to FIG. 3 is made in one piece from aluminum
  • Die casting for the purpose of good heat dissipation produced and comprises a substantially square-shaped frame 2 a formed of side parts 2 c with a shielding surface arranged therein 2 b and a stepped part surface 2b y .
  • the frame 2 a formed with the side parts 2 c is matched with its outer dimensions on the housing 7 so that this, after the first circuit board 4 rests on the contact elements 7 d, can also be inserted into the housing 7, so that the housing bottom side faces 2 e Side parts 2c on this first circuit board 4 edge circumferentially on ⁇ lie.
  • the shielding surface 2b of the frame part 2 has an opening 2f, which serves to receive a Steckver ⁇ bond, so that on the end face 2d of the side portions 2c of the frame 2 rests second printed circuit board 5 via this plug connection with the first circuit board 4 can be connected.
  • a spring frame 1 is inserted into this frame part 2 with a spring-elastic property acting in the direction perpendicular to the shielding surface 2b.
  • the frame of this spring frame 1 has a U-shaped cross-section, so that the two legs la and lb of the U-shape point inwards and the outer dimensions are selected so that the spring frame 1 can be inserted into the frame 2 a of the frame part 2 while the leg lb of the U-shape rests on the shielding surface 2b.
  • the height DIE ses spring frame 1 is that surmounted a Auflageflä ⁇ che for the second printed circuit board 5 forming leg la of the surface of the leg la slightly by the dimension a is selected, as shown in particular in Figure 2 and Figure 5 ersicht ⁇ is.
  • limb lb of the U-shape is formed with resilient spring tabs lc, which are inclined with respect to the U-shape outwards, so that the spring frame 1 via these spring tabs lc resilient on the Shielding surface 2b rests.
  • the assembly of the radar device 10 begins with the fact that in the housing 7, the high-frequency circuit board 4 is first inserted ⁇ so that it rests on the eck mon of the housing 7 to ⁇ arranged contact elements 7d.
  • This first circuit board 4 has in the direction of the longitudinal side walls 7a has a length so that the press-fit pins of the socket 9 are guided past this first printed circuit board 4 9a and since ⁇ ago, this first printed circuit board 4 in this area in the other by the Transverse side wall 7b y and the side walls 7a and 7b formed space can be inserted, as can be seen from Figure 7.
  • the frame part 2 is placed with the inserted spring ⁇ frame 1 on the first circuit board 2, so that the frontal edge 2e of the frame part 2 rests on this first Lei ⁇ terplatte 4 peripherally circumferentially.
  • the BE ⁇ turbanten components are dimensioned such that the one arranged on the side walls 7a and 7b or 7b y of the housing 7 supporting surface 7e slightly above is a Aufla ⁇ ge Chemistry for the second printed circuit board 5 serving limb la of the spring frame.
  • the low-frequency circuit board 5 is now placed on serving as abutment ⁇ th leg la of the spring frame 1, wherein this circuit board 5 extends with an edge region 5a over the separated from the transverse side wall 7b y area and when inserting this low-frequency circuit board 5 in the housing 7, the press-fit 9a in which in the area 5a lie ⁇ the press-in openings of the second circuit board 5 are partially pressed.
  • this second circuit board 5 is longer compared to the first circuit board 4 to this area 5a. In this state, there is a small distance between this second printed circuit board 5 and the circulating system. 7e on the side walls 7a and 7b and 7b y of the Ge ⁇ housing 7th
  • the housing cover 8 is placed on the second circuit board 5 and the side walls 7a and 7b of the housing 7 and screwed by screws 8c to the housing 7 corner, so that according to Figure 7, the second circuit board 5 by a circumferential ridge 8a of the housing cover 8 is pressed onto the abutment plane 7e and fixed in this position and at the same time the spring frame 1 is compressed to produce a spring force, since the first printed circuit board 4 rests against the abutment elements 7d and thus serves as an abutment.
  • the housing 7 may be formed as a plastic housing, wherein the housing cover 8 is metallic or formed as a metallized plastic cover, so that even in the mounted state on the housing-side printed circuit board side of the second circuit board 5 arranged low-frequency components NF are also shielded electromagnetically. On the outside, such a housing cover 8 is equipped with cooling fins 8b for better heat dissipation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

L'invention concerne un dispositif radar (10) pour véhicule, comprenant un boîtier (7) en forme de cuve apte à être fermé par un couvercle (8), une première carte de circuit imprimé (4) destinée à recevoir une antenne et des composants haute fréquence (HF) et disposée dans le boîtier (7) en étant positionnée en regard du fond de boîtier (7c) à l'aide d'éléments d'appui (7d), une deuxième carte de circuit imprimé (5) destinée à recevoir des composants basse fréquence (NF), et un élément cadre (2) doté d'une surface de blindage (2b), l'élément cadre (2) étant en contact surfacique avec la première carte de circuit imprimé (4). Selon l'invention, un cadre élastique (1) a une propriété élastique dirigée perpendiculairement à la surface de blindage (2b) et ce cadre élastique (1) est conçu pour s'appuyer, par précontrainte élastique, d'une part, sur la deuxième carte de circuit imprimé (5) immobilisée en position dans le boîtier (7) et, d'autre part, sur la surface de blindage (2b) de l'élément cadre (2), la première carte de circuit imprimé (4) sollicitée par une force de rappel par l'intermédiaire de l'élément cadre (2) étant maintenue plaquée contre les éléments d'appui (7d) du boîtier (7).
PCT/DE2013/200239 2012-11-20 2013-10-21 Dispositif radar pour véhicule WO2014079423A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112013005538.4T DE112013005538A5 (de) 2012-11-20 2013-10-21 Radareinrichtung für ein Fahrzeug

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012111183.9A DE102012111183A1 (de) 2012-11-20 2012-11-20 Radareinrichtung für ein Fahrzeug
DE102012111183.9 2012-11-20

Publications (1)

Publication Number Publication Date
WO2014079423A1 true WO2014079423A1 (fr) 2014-05-30

Family

ID=49674107

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2013/200239 WO2014079423A1 (fr) 2012-11-20 2013-10-21 Dispositif radar pour véhicule

Country Status (2)

Country Link
DE (2) DE102012111183A1 (fr)
WO (1) WO2014079423A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015015034B4 (de) 2015-11-23 2023-04-27 Baumer Electric Ag Sensoranordnung
DE102015223243A1 (de) * 2015-11-24 2017-05-24 Innosent Gmbh Gehäuse für einen Radarsensor und ein solcher Radarsensor
DE102016119544A1 (de) * 2016-10-13 2018-04-19 HELLA GmbH & Co. KGaA Radareinrichtung mit einem Abschirmmittel
US11543515B2 (en) 2017-03-10 2023-01-03 Proceq Sa Device for electromagnetically probing a sample

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005033592A1 (de) * 2005-07-19 2007-01-25 Hirschmann Car Communication Gmbh Träger zur Aufnahme eines Antennenverstärkers eines Fahrzeuges
EP2034328A1 (fr) * 2007-09-05 2009-03-11 Hella KG Hueck & Co. Capteur de radar

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904303A1 (de) * 1999-01-28 2000-08-24 Bosch Gmbh Robert Gehäuse für ein elektronisches Gerät in der Mikrowellentechnik
DE10248915A1 (de) * 2002-10-16 2004-04-29 Valeo Schalter Und Sensoren Gmbh Radarsensor und Herstellungsverfahren für einen Radarsensor
JP2006101467A (ja) * 2004-09-01 2006-04-13 Alps Electric Co Ltd アンテナ装置
DE102005042986A1 (de) * 2005-09-09 2007-07-05 Hella Kgaa Hueck & Co. Radareinrichtung für ein Kraftfahrzeug und Verfahren zur Herstellung einer Radareinrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005033592A1 (de) * 2005-07-19 2007-01-25 Hirschmann Car Communication Gmbh Träger zur Aufnahme eines Antennenverstärkers eines Fahrzeuges
EP2034328A1 (fr) * 2007-09-05 2009-03-11 Hella KG Hueck & Co. Capteur de radar
DE102007042173A1 (de) 2007-09-05 2009-03-12 Hella Kgaa Hueck & Co. Radarsensor

Also Published As

Publication number Publication date
DE112013005538A5 (de) 2015-07-30
DE102012111183A1 (de) 2014-05-22

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