WO2009123062A1 - Fente rayonnante pour automobile - Google Patents

Fente rayonnante pour automobile Download PDF

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Publication number
WO2009123062A1
WO2009123062A1 PCT/JP2009/056318 JP2009056318W WO2009123062A1 WO 2009123062 A1 WO2009123062 A1 WO 2009123062A1 JP 2009056318 W JP2009056318 W JP 2009056318W WO 2009123062 A1 WO2009123062 A1 WO 2009123062A1
Authority
WO
WIPO (PCT)
Prior art keywords
slot antenna
hinge
automobile
vehicle body
edges
Prior art date
Application number
PCT/JP2009/056318
Other languages
English (en)
Japanese (ja)
Inventor
重光 鳥山
徹 坂本
正明 長瀬
Original Assignee
マスプロ電工株式会社
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 マスプロ電工株式会社 filed Critical マスプロ電工株式会社
Publication of WO2009123062A1 publication Critical patent/WO2009123062A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted

Definitions

  • the present invention relates to an automobile slot antenna formed by using edges facing each other between two vehicle body parts connected via a hinge.
  • the proposed slot antenna for automobiles is capacitively coupled to the vehicle body portion when the vehicle body portion is closed at an opening portion where the vehicle body portion such as a bonnet is opened and closed with respect to the vehicle body, thereby providing a feeding point to the vehicle body portion.
  • the RF connection plug By providing the RF connection plug to be configured, the power supply line can be easily connected to the vehicle body, but the vehicle body and the vehicle body are simply connected via a hinge. Therefore, the length from the feeding point of each of these parts to the connection point where these parts are connected to each other cannot be set according to the frequency of the radio wave to be transmitted / received, and proper antenna performance is achieved. There was a problem that it could not be obtained.
  • the present invention has been made in view of these problems, and in an automotive slot antenna configured using two vehicle body parts connected via hinges, an appropriate antenna performance is obtained for radio waves to be transmitted and received.
  • the purpose is to be able to.
  • the automotive slot antenna according to the first aspect of the present invention which has been made to achieve the above object, is an automotive slot antenna formed by using edges facing each other between two vehicle body portions connected via a hinge. Slot antennas, wherein two edges of the two body parts facing each other on the side on which the hinge is attached are electrically connected at two positions separated by a predetermined length set in accordance with the wavelength of radio waves to be transmitted and received.
  • the feeder lines are connected to the edge portions facing each other between the two connection points, respectively.
  • the slot antenna for a vehicle according to the second aspect of the present invention is the slot antenna for a vehicle according to the first aspect, wherein the connecting member for connecting the edges to each other at two locations is composed of a flexible flat cable.
  • the automotive slot antenna of the third aspect of the present invention is the automotive slot antenna of the first aspect, wherein the connecting members for connecting the edges at two locations are provided at each edge, respectively,
  • the sliding portion is made of a conductive member formed in an arc shape so as to slide with respect to each other according to opening and closing.
  • edges facing each other on the side where the hinge is attached correspond to the wavelength of radio waves to be transmitted and received.
  • the connecting member for connecting the edges to define the length of the slot antenna is constituted by a flexible flat cable, like the automobile slot antenna of the second aspect of the present invention, Alternatively, like the automobile slot antenna according to the third aspect of the present invention, it is constituted by a pair of conductive members in which sliding portions are formed in an arc shape so as to slide relative to each other according to opening and closing between two vehicle body portions. Good.
  • the edges of two body parts are connected with a flat cable, the connection between the edges can be maintained even if the body parts are opened and closed via a hinge. Since it is not easily cut by opening and closing between the vehicle body parts, the reliability of the automobile slot antenna can be ensured.
  • the conductive member when a conductive member having an arc-shaped sliding portion that slides in accordance with opening / closing between the vehicle body portions is provided at the edge of each vehicle body portion, the conductive member is provided even if the vehicle body portions are opened / closed. Since the connection between the edges (at least capacitive coupling) can be maintained by sliding each other, the reliability of the automobile slot antenna can be ensured as in the case of direct connection using a flat cable.
  • connection part which comprises a slot antenna
  • connection part which comprises a slot antenna
  • structural example of the electric power feeding part which comprises a slot antenna
  • block diagram showing the example of a circuit used for providing a some slot antenna in a motor vehicle, and switching an output.
  • FIG. 1 is a perspective view showing an appearance of an automobile 2 according to an embodiment to which the present invention is applied.
  • FIG. 2 is a front view of a passenger seat (left front seat in this embodiment) of the automobile 2 and a fender as a vehicle body.
  • 6 is a perspective view illustrating a state in which a connection portion (hinge portion 8 illustrated in FIG. 1) with 6 is viewed from the inside of the vehicle.
  • a slot antenna 10 is formed in a hinge portion 8 in which a door 4 on the passenger seat side is connected to a fender 6 via a hinge 28 so as to be opened and closed. .
  • the slot antenna 10 is based on the wavelength ⁇ of the radio wave transmitted and received between the edges of the door 4 and the fender 6 facing each other at the hinge portion 8 (in other words, the rotation center position of the door 4).
  • a connecting portion 14 is connected to each other via a connecting portion 14 at two locations separated by a predetermined length L (in this embodiment, a length that is approximately one-half of the wavelength ⁇ of the radio wave: ⁇ / 2),
  • L in this embodiment, a length that is approximately one-half of the wavelength ⁇ of the radio wave: ⁇ / 2
  • Each part located in the middle of two connection points, that is, each edge of the door 4 and the fender 6 is used as a power feeding part 12, and a power feeding line 16 is connected to each power feeding part 12.
  • the other end of the two power supply lines 16 connected to the power supply unit 12 of the door 4 and the fender 6 is connected to a coaxial cable 20 wired in the vehicle interior via a balanced / unbalanced converter 18. Yes.
  • the slot antenna 10 is used, for example, for receiving UHF television broadcast radio waves, and has a length L of a slit (in other words, an antenna portion) formed between the two connecting portions 14. Is set to about 27 cm ( ⁇ / 2) corresponding to a substantially central frequency of 470 MHz to 770 MHz of the UHF television broadcast radio wave.
  • the position of the hinge 28 that connects the door 4 and the fender 6 and the distance between the hinges 28 are not affected, such as UHF television broadcast radio waves. It is possible to satisfactorily receive (or transmit) radio waves in a predetermined frequency band corresponding to the length of the edge between them.
  • one of the two connecting portions 14 is configured using a hinge 28, and the arrangement position of the other connecting portion 14 is set so that the distance from the hinge 28 has an appropriate length corresponding to the wavelength of the radio wave. It is possible to set and connect the feeder line 16 to these intermediate points.
  • connection unit 14 and the power feeding unit 12 suitable for actually configuring the slot antenna 10 of the present embodiment will be described.
  • connection part 14 should just connect the edge part of the door 4 and the fender 6 to a short circuit in the frequency band of the transmitted / received radio wave.
  • the connecting portion 14 may be composed of a conductive member whose both ends are connected to the door 4 and the fender 6, respectively, and can be deformed according to the opening and closing of the door 4.
  • you may comprise the electroconductive member with a pair of electroconductive member which has the circular-arc-shaped sliding part 14a which can be mutually slid by opening and closing of 4 of a door.
  • the connecting portion 14 When the connecting portion 14 is formed of a single conductive material, it may be formed of a flexible flat cable as shown in FIG. 3B.
  • a flat cable In other words, in the case of a flat cable, a large number of signal lines are arranged in parallel and covered with a non-conductive covering material, so it has excellent durability and all signal lines are connected to the door 4 and the fender 6. By doing so, it is possible to prevent the antenna performance from being degraded due to the disconnection of the signal line.
  • the connecting portion 14 may be other conductive material as long as it is flexible.
  • it may be in the form of a mesh composed of thin conductive wires (metal mesh, carbon fiber, etc.).
  • you may use the conductive resin processed into the sheet form.
  • connection part 14 to the door 4 and the fender 6 is, for example, a method in which the end of the connection part 14 is welded or screwed, a tip of the connection part 14 is sandwiched between metal plates, and the metal plate is welded or A method of screwing, a method of soldering the tip of the connecting portion 14 (flat cable or the like) to a metal plate, and welding or screwing the metal plate, a metal connected to the end of the connecting portion 14 or the connecting portion 14 Any method conventionally used to electrically connect two conductive members, such as a method of bonding a plate with a conductive adhesive, may be used.
  • the metal plate 12a that can be electrically connected to the edges of the door 4 and the fender 6 by the various connection methods described above.
  • an integrated terminal 12b for inserting and connecting the feeder line 16 may be used.
  • the present invention is not limited to the above-mentioned embodiment, and can take various modes.
  • the slot antenna 10 is provided in the hinge portion 8 in which the door 4 on the passenger seat side is fixed to the fender 6 via the hinge. 1 may be used as long as it is a hinge portion between two vehicle body portions that are connected to each other via, for example, a hinge portion between another door and the vehicle body, or the slot antenna 10 ′ shown in FIG. As described above, it may be provided at a hinge portion that connects an openable / closable top plate (bonnet) that covers a trunk room (or engine room) of the automobile and the vehicle body.
  • an openable / closable top plate bonnet
  • the position of the power feeding unit 12 may be other than the intermediate position of the connection unit 14.
  • the directivity and impedance can be changed by setting the interval between the two connection portions 14 to the wavelength (1 ⁇ ) to be used and providing the power supply portion 14 at a position of a quarter wavelength from one connection portion 14. it can.
  • the automobile slot antenna of the present embodiment is provided at each of a plurality of hinge portions in the automobile, and as shown in FIG. 6, the plurality of slot antennas 10 (first slot antenna A1, second slot antenna A2,).
  • the received signal received at each of these is selected via the switch 22, and the selected received signal is amplified by the amplifier 24 and transmitted to a tuner or the like mounted on the vehicle.
  • the controller 22 may be input to the controller 26 so that the controller 26 controls the switch 22 so that the signal level of the received signal transmitted to the tuner or the like is the best.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne une fente rayonnante pour une automobile, laquelle est formée en utilisant les bords opposés de deux parties de la carrosserie d'un véhicule à relier ensemble grâce à une articulation. Les bords opposés sont reliés électriquement à deux emplacements respectifs séparés d'une longueur prédéterminée établie en fonction de la longueur d'onde des ondes radio à émettre et à recevoir sur le côté où l’articulation doit être fixée. Des lignes d'alimentation sont reliées respectivement entre les deux contacts aux parties de bords opposés.
PCT/JP2009/056318 2008-03-31 2009-03-27 Fente rayonnante pour automobile WO2009123062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-092476 2008-03-31
JP2008092476A JP5307434B2 (ja) 2008-03-31 2008-03-31 自動車用スロットアンテナ

Publications (1)

Publication Number Publication Date
WO2009123062A1 true WO2009123062A1 (fr) 2009-10-08

Family

ID=41135440

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/056318 WO2009123062A1 (fr) 2008-03-31 2009-03-27 Fente rayonnante pour automobile

Country Status (2)

Country Link
JP (1) JP5307434B2 (fr)
WO (1) WO2009123062A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013060683A1 (fr) * 2011-10-23 2013-05-02 Option Nv Système d'antenne pour dispositif portatif sans fil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5478104B2 (ja) * 2009-04-17 2014-04-23 三菱電機株式会社 アンテナ装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01133805U (fr) * 1988-03-05 1989-09-12
JPH01147509U (fr) * 1988-03-31 1989-10-12
JPH06511360A (ja) * 1991-08-05 1994-12-15 リヒャルト−ヒルシュマン　ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング　アンド　カンパニー 自動車アンテナ
JP2003142910A (ja) * 2001-11-01 2003-05-16 Toyota Motor Corp 車両のボディ構造
JP2005244981A (ja) * 2004-02-24 2005-09-08 Daimler Chrysler Ag スロットアンテナ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01133805U (fr) * 1988-03-05 1989-09-12
JPH01147509U (fr) * 1988-03-31 1989-10-12
JPH06511360A (ja) * 1991-08-05 1994-12-15 リヒャルト−ヒルシュマン　ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング　アンド　カンパニー 自動車アンテナ
JP2003142910A (ja) * 2001-11-01 2003-05-16 Toyota Motor Corp 車両のボディ構造
JP2005244981A (ja) * 2004-02-24 2005-09-08 Daimler Chrysler Ag スロットアンテナ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013060683A1 (fr) * 2011-10-23 2013-05-02 Option Nv Système d'antenne pour dispositif portatif sans fil

Also Published As

Publication number Publication date
JP5307434B2 (ja) 2013-10-02
JP2009246782A (ja) 2009-10-22

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