JPH09213528A - Choke coil - Google Patents
Choke coilInfo
- Publication number
- JPH09213528A JPH09213528A JP3544296A JP3544296A JPH09213528A JP H09213528 A JPH09213528 A JP H09213528A JP 3544296 A JP3544296 A JP 3544296A JP 3544296 A JP3544296 A JP 3544296A JP H09213528 A JPH09213528 A JP H09213528A
- Authority
- JP
- Japan
- Prior art keywords
- base
- coil
- choke coil
- plate
- dielectric
- 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.)
- Granted
Links
Landscapes
- Coils Or Transformers For Communication (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車載ラジオ等の受
信感度を向上させるために用いられるガラスアンテナ用
のチョークコイルの構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a choke coil for a glass antenna used to improve the receiving sensitivity of an on-vehicle radio or the like.
【０００２】[0002]
【従来の技術】ガラスアンテナ用のチョークコイルは、
高周波領域においてノイズを減衰させ、Ｓ／Ｎ比を良く
し、車載ラジオ等の受信感度を向上させるものであり、
Ｎｉ−Ｚｎ系の柱状の磁芯に導線を筒状に積層して巻回
したコイルを樹脂製の固定台に設置し、該樹脂製の固定
台に設けられた、ふたつの金属板に前記コイルの両端を
半田付けによって接続した構造で、前記コイルの周波数
特性のみで受信感度を向上させるものである。2. Description of the Related Art Choke coils for glass antennas are
Attenuates noise in the high frequency range, improves the S / N ratio, and improves the receiving sensitivity of in-vehicle radios,
A coil obtained by stacking and winding a conductor wire in a cylindrical shape on a Ni—Zn columnar magnetic core is installed on a resin-made fixing base, and the coil is provided on two metal plates provided on the resin-made fixing base. Both ends of are connected by soldering, and the receiving sensitivity is improved only by the frequency characteristics of the coil.
【０００３】[0003]
【発明が解決しようとする課題】前述のように、従来の
ガラスアンテナ用のチョークコイルは、Ｎｉ−Ｚｎ系の
柱状の磁芯を用いたコイルの周波数特性により高周波領
域のノイズを減衰させて、車載ラジオ等の受信感度を向
上させるものであった。As described above, the conventional choke coil for a glass antenna attenuates noise in a high frequency region due to the frequency characteristic of the coil using a Ni—Zn columnar magnetic core. It was intended to improve the reception sensitivity of in-vehicle radios.
【０００４】しかし、前記コイルの周波数特性だけによ
るノイズの減衰量には限度があり、そのため、車載ラジ
オの受信感度を向上させることにも限界があった。However, there is a limit to the amount of noise attenuation due to only the frequency characteristic of the coil, and therefore there is a limit to improving the receiving sensitivity of the vehicle radio.
【０００５】本発明の技術的課題は、上述の欠点を除去
するために、従来に比べ、更にノイズの減衰量を多く
し、かつ、組み立てが容易な構造のガラスアンテナ用の
チョークコイルを提供することにある。The technical problem of the present invention is to provide a choke coil for a glass antenna, which has a structure in which the amount of noise attenuation is further increased and the assembly is easy as compared with the prior art in order to eliminate the above-mentioned drawbacks. Especially.
【０００６】[0006]
【課題を解決するための手段】本発明の樹脂製の固定台
に設けられた金属端子板と金属板との間に板状の誘電体
を挿設し、磁芯が挿通したコイルと該板状の誘電体とが
電気的に並列に接続される構造により、前記板状の誘電
体によって、従来に比べ、高周波領域においてノイズの
減衰量が多くなり、車載ラジオの受信感度を向上させる
ガラスアンテナ用のチョークコイルとなる。A plate-shaped dielectric is inserted between a metal terminal plate and a metal plate provided on a resin-made fixing base of the present invention, and a coil having a magnetic core inserted therethrough and the plate. Antenna which has a structure in which a sheet-shaped dielectric is electrically connected in parallel, and the plate-shaped dielectric has a greater amount of noise attenuation in a high-frequency region than the conventional case, and improves the reception sensitivity of an in-vehicle radio. It becomes a choke coil for.
【０００７】即ち、本発明は、柱状の磁心に導線を筒状
に積層して巻回したコイルを樹脂製の固定台に設置し、
該樹脂製の固定台に設けられた金属端子板と金属板に前
記コイルの巻線の両端を接続したチョークコイルにおい
て、前記金属端子板と前記金属板との間に誘電体を設け
たことを特徴とするチョークコイルである。That is, according to the present invention, a coil formed by stacking a conductor wire in a cylindrical shape on a columnar magnetic core and winding the conductor wire is installed on a resin-made fixing base,
In a choke coil in which both ends of the coil winding are connected to a metal terminal plate provided on the resin-made fixing base, a dielectric is provided between the metal terminal plate and the metal plate. It is a characteristic choke coil.
【０００８】又、本発明は、前記チョークコイルにおい
て、前記樹脂製の固定台は、ベース部とベース補助部よ
りなり、かつ、前記ベース補助部の前記ベース部と対向
する面に、上記誘電体を係合するための係合部を設けた
構造としたことを特徴とするチョークコイルである。In the choke coil according to the present invention, the resin-made fixing base comprises a base portion and a base auxiliary portion, and the dielectric member is provided on a surface of the base auxiliary portion facing the base portion. Is a choke coil having a structure in which an engaging portion for engaging with is provided.
【０００９】（作用）本発明のガラスアンテナ用のチョ
ークコイルは、ベース部とベース補助部とからなる樹脂
製の固定台に設けられた金属端子板と金属板との間に板
状の誘電体を設け、磁芯が挿通されているコイルと前記
板状の誘電体が電気的に並列に接続された構造である。(Operation) A choke coil for a glass antenna according to the present invention is a plate-shaped dielectric member between a metal terminal plate and a metal plate provided on a resin-made fixing base composed of a base portion and a base auxiliary portion. Is provided, and the coil in which the magnetic core is inserted and the plate-shaped dielectric are electrically connected in parallel.
【００１０】前記板状の誘電体の共振周波数は、前記板
状の誘電体の厚さによって決定される特性がある。従っ
て、任意の周波数で共振させるには、厚さを変える必要
がある。The resonance frequency of the plate-shaped dielectric has a characteristic determined by the thickness of the plate-shaped dielectric. Therefore, in order to resonate at an arbitrary frequency, it is necessary to change the thickness.
【００１１】そのため、前記板状の誘電体の厚さが変わ
っても、前記金属端子板と前記金属板に前記板状の誘電
体が挿設が可能なように、前記ベース補助部に係合部を
設けた構造となっている。Therefore, even if the thickness of the plate-shaped dielectric changes, the base auxiliary portion is engaged so that the plate-shaped dielectric can be inserted into the metal terminal plate and the metal plate. It has a structure with parts.
【００１２】この構造によって、板状の誘電体の共振作
用により、高周波領域において高インピーダンス素子と
なり、ノイズの減衰量が多く得られ、車載用のラジオ等
のＳ／Ｎ比が良くなり、受信感度を向上させることがで
きる。With this structure, due to the resonance action of the plate-shaped dielectric body, it becomes a high impedance element in a high frequency region, a large amount of noise attenuation can be obtained, the S / N ratio of a vehicle radio, etc. is improved, and the receiving sensitivity Can be improved.
【００１３】[0013]
【発明の実施の形態】以下、図１、図２及び図３を用い
て、発明の実施の形態を説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. 1, 2 and 3.
【００１４】図１は、本発明のガラスアンテナ用のチョ
ークコイルの説明図であり、図１（ａ）は斜視図、図１
（ｂ）は平面図である。図２は、本発明のガラスアンテ
ナ用のチョークコイルのベース部３の斜視図である。図
３は、本発明のガラスアンテナ用のチョークコイルのベ
ース補助部４の斜視図である。FIG. 1 is an explanatory view of a choke coil for a glass antenna according to the present invention. FIG. 1 (a) is a perspective view and FIG.
(B) is a plan view. FIG. 2 is a perspective view of the base portion 3 of the choke coil for glass antenna of the present invention. FIG. 3 is a perspective view of the base auxiliary portion 4 of the choke coil for a glass antenna of the present invention.
【００１５】図１に示すように、本発明のガラスアンテ
ナ用のチョークコイルは、銅線を筒状に積層し、巻回し
たコイル１にＮｉ−Ｚｎ系の円柱状の磁芯２を挿通さ
せ、ベース部３及びベース補助部４よりなる樹脂製の固
定台２０に設けられた、金属端子板５と金属板６にコイ
ル１の両端を接続し、板状の誘電体７を金属端子板５と
金属板６間に挿入した構造である。As shown in FIG. 1, a choke coil for a glass antenna according to the present invention is formed by stacking copper wires in a cylindrical shape, and inserting a wound coil 1 into which a Ni—Zn-based cylindrical magnetic core 2 is inserted. , Both ends of the coil 1 are connected to a metal terminal plate 5 and a metal plate 6 provided on a resin-made fixing base 20 composed of a base portion 3 and a base auxiliary portion 4, and a plate-shaped dielectric 7 is attached to the metal terminal plate 5 It is a structure inserted between the metal plate 6 and the metal plate 6.
【００１６】又、図２に示すように、ベース部３は、前
面に、金属端子板を挿通させるための孔１２を有した凸
部８が形成され、中央には、ベース部３、金属板、及び
ベース補助部とを接続するねじを通すための貫通孔９が
設けられている。Further, as shown in FIG. 2, the base portion 3 is formed with a convex portion 8 having a hole 12 for inserting a metal terminal plate on the front surface, and the base portion 3 and the metal plate are formed in the center. , And a through hole 9 for passing a screw connecting the base auxiliary portion.
【００１７】又、図３に示すように、ベース補助部４に
は、金属端子板と金属板の間に板状の誘電体を一定に密
着させるための係合部１０が設けられ、更に、中央に
は、ベース補助部４、金属板、及びベース部とを接続す
るための孔１１が設けられている。Further, as shown in FIG. 3, the base assisting portion 4 is provided with an engaging portion 10 for closely adhering a plate-shaped dielectric between the metal terminal plate and the metal plate, and further at the center. Has a hole 11 for connecting the base auxiliary portion 4, the metal plate, and the base portion.
【００１８】この構造により、板状の誘電体７の厚さに
関係なく、金属端子板５と金属板６に板状の誘電体７を
確実に挿設させることができ、更に、ベース部３、金属
板６、及びベース補助部４とをねじによって固定するこ
とができる。With this structure, the plate-shaped dielectric 7 can be reliably inserted into the metal terminal plate 5 and the metal plate 6 regardless of the thickness of the plate-shaped dielectric 7, and the base portion 3 is also provided. The metal plate 6 and the base auxiliary portion 4 can be fixed with screws.
【００１９】従って、板状の誘電体の共振作用により、
高周波領域において、ガラスアンテナ用のチョークコイ
ルは、高インピーダンス素子として機能するため、ノイ
ズの減衰量が多く得られ、車載用のラジオ等のＳ／Ｎ比
が良くなり、受信感度を向上させることができる。Therefore, due to the resonance action of the plate-shaped dielectric,
In the high frequency region, the choke coil for the glass antenna functions as a high impedance element, so that a large amount of noise attenuation is obtained, the S / N ratio of a vehicle-mounted radio is improved, and the reception sensitivity can be improved. it can.
【００２０】[0020]
【発明の効果】以上のごとく、本発明によれば、板状の
誘電体をコイルの端子間に配置し、樹脂製の固定台をベ
ース部とベース補助部に分割し、ベース補助部に誘電体
の係合部を設けた構造とすることにより、車載用のラジ
オ等のＳ／Ｎ比がよくなり、受信感度を向上することが
できると共に、組み立てが容易で、安価なチョークコイ
ルを得ることができる。As described above, according to the present invention, the plate-shaped dielectric is disposed between the terminals of the coil, the resin-made fixing base is divided into the base portion and the base auxiliary portion, and the base auxiliary portion is dielectrically insulated. By providing the body engagement portion, the S / N ratio of a vehicle radio can be improved, the receiving sensitivity can be improved, and the choke coil can be easily assembled and is inexpensive. You can
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明のガラスアンテナ用のチョークコイルを
示す説明図。図１（ａ）は斜視図。図１（ｂ）は平面
図。FIG. 1 is an explanatory view showing a choke coil for a glass antenna of the present invention. FIG. 1A is a perspective view. FIG. 1B is a plan view.
【図２】本発明のガラスアンテナ用のチョークコイルの
ベース部の斜視図。FIG. 2 is a perspective view of a base portion of a choke coil for a glass antenna according to the present invention.
【図３】本発明のガラスアンテナ用のチョークコイルの
ベース補助部の斜視図。FIG. 3 is a perspective view of a base auxiliary portion of a choke coil for a glass antenna according to the present invention.
１ コイル ２ （円柱状の）磁芯 ３ ベース部 ４ ベース補助部 ５ 金属端子板 ６ 金属板 ７ （板状の）誘電体 ８ 凸部 ９ 貫通孔 １０ 係合部 １１，１２ 孔 ２０ （樹脂製の）固定台 DESCRIPTION OF SYMBOLS 1 coil 2 (cylindrical) magnetic core 3 base part 4 base auxiliary part 5 metal terminal plate 6 metal plate 7 (plate-shaped) dielectric 8 convex part 9 through hole 10 engaging part 11, 12 hole 20 (made of resin Fixed base
Claims (2)
したコイルを樹脂製の固定台に設置し、該樹脂製の固定
台に設けられた金属端子板と金属板に前記コイルの巻線
の両端を接続したチョークコイルにおいて、前記金属端
子板と前記金属板との間に誘電体を設けたことを特徴と
するチョークコイル。1. A coil in which a conductor wire is cylindrically laminated and wound around a columnar magnetic core is installed on a resin-made fixing base, and the coil is provided on a metal terminal plate and a metal plate provided on the resin-made fixing base. A choke coil in which both ends of the winding are connected, wherein a dielectric is provided between the metal terminal plate and the metal plate.
て、前記樹脂製の固定台は、ベース部とベース補助部よ
りなり、かつ、前記ベース補助部の前記ベース部と対向
する面に、上記誘電体を係合するための係合部を設けた
構造としたことを特徴とするチョークコイル。2. The choke coil according to claim 1, wherein the resin fixing base includes a base portion and a base auxiliary portion, and the dielectric member is provided on a surface of the base auxiliary portion facing the base portion. A choke coil having a structure in which an engaging portion for engaging with is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03544296A JP3649502B2 (en) | 1996-01-29 | 1996-01-29 | choke coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03544296A JP3649502B2 (en) | 1996-01-29 | 1996-01-29 | choke coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09213528A true JPH09213528A (en) | 1997-08-15 |
| JP3649502B2 JP3649502B2 (en) | 2005-05-18 |
Family
ID=12441959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03544296A Expired - Fee Related JP3649502B2 (en) | 1996-01-29 | 1996-01-29 | choke coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3649502B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1515349A1 (en) * | 2003-09-08 | 2005-03-16 | Sumida Corporation | Choke coil for a glass antenna |
| WO2007020902A1 (en) | 2005-08-15 | 2007-02-22 | Harada Industry Co., Ltd. | Noise filter |
| WO2007138775A1 (en) | 2006-05-29 | 2007-12-06 | Sumida Corporation | Coil device for antenna and antenna system for rear window of vehicle |
| US7741945B2 (en) * | 2008-01-24 | 2010-06-22 | Abb Technology Ag | Dry-type transformer with improved terminal construction and mounting system therefor |
| WO2011090222A1 (en) * | 2010-01-20 | 2011-07-28 | Huh Chang Su | Noise filter and film antenna, and digital multimedia broadcast receiving system using a heating element for a vehicle and including the noise filter and film antenna |
| US8941544B2 (en) | 2008-07-08 | 2015-01-27 | Harada Industry Co., Ltd. | Vehicle roof mount antenna |
| JP2015033102A (en) * | 2013-08-07 | 2015-02-16 | 株式会社オートネットワーク技術研究所 | Noise filter device |
| USD726696S1 (en) | 2012-09-12 | 2015-04-14 | Harada Industry Co., Ltd. | Vehicle antenna |
| KR101523887B1 (en) * | 2013-01-17 | 2015-05-28 | 뷔르트 엘렉트로닉 아이조스 게엠베하 운트 콤파니 카게 | Induction component |
| US9225055B2 (en) | 2011-03-24 | 2015-12-29 | Harada Industry Co., Ltd. | Antenna device |
-
1996
- 1996-01-29 JP JP03544296A patent/JP3649502B2/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1515349A1 (en) * | 2003-09-08 | 2005-03-16 | Sumida Corporation | Choke coil for a glass antenna |
| US7034756B2 (en) | 2003-09-08 | 2006-04-25 | Central Glass Co., Ltd. | Antenna coil device |
| WO2007020902A1 (en) | 2005-08-15 | 2007-02-22 | Harada Industry Co., Ltd. | Noise filter |
| JP4850181B2 (en) * | 2005-08-15 | 2012-01-11 | 原田工業株式会社 | Noise filter |
| US7961065B2 (en) | 2005-08-15 | 2011-06-14 | Harada Industry Co., Ltd. | Noise filter |
| EP2031697A4 (en) * | 2006-05-29 | 2009-09-23 | Sumida Corp | Coil device for antenna and antenna system for rear window of vehicle |
| US7920041B2 (en) | 2006-05-29 | 2011-04-05 | Sumida Corporation | Coil device for antenna and antenna system for rear window of vehicle |
| EP2031697A1 (en) * | 2006-05-29 | 2009-03-04 | Sumida Corporation | Coil device for antenna and antenna system for rear window of vehicle |
| WO2007138775A1 (en) | 2006-05-29 | 2007-12-06 | Sumida Corporation | Coil device for antenna and antenna system for rear window of vehicle |
| JP4927835B2 (en) * | 2006-05-29 | 2012-05-09 | スミダコーポレーション株式会社 | Coil device for antenna and antenna system for rear window of vehicle |
| US7741945B2 (en) * | 2008-01-24 | 2010-06-22 | Abb Technology Ag | Dry-type transformer with improved terminal construction and mounting system therefor |
| US8941544B2 (en) | 2008-07-08 | 2015-01-27 | Harada Industry Co., Ltd. | Vehicle roof mount antenna |
| WO2011090222A1 (en) * | 2010-01-20 | 2011-07-28 | Huh Chang Su | Noise filter and film antenna, and digital multimedia broadcast receiving system using a heating element for a vehicle and including the noise filter and film antenna |
| US9225055B2 (en) | 2011-03-24 | 2015-12-29 | Harada Industry Co., Ltd. | Antenna device |
| US9287610B2 (en) | 2011-03-24 | 2016-03-15 | Harada Industry Co., Ltd. | Antenna device |
| US9680201B2 (en) | 2011-03-24 | 2017-06-13 | Harada Industry Co., Ltd. | Antenna device |
| US9825351B2 (en) | 2011-03-24 | 2017-11-21 | Harada Industry Co., Ltd. | Antenna device |
| USD726696S1 (en) | 2012-09-12 | 2015-04-14 | Harada Industry Co., Ltd. | Vehicle antenna |
| KR101523887B1 (en) * | 2013-01-17 | 2015-05-28 | 뷔르트 엘렉트로닉 아이조스 게엠베하 운트 콤파니 카게 | Induction component |
| JP2015033102A (en) * | 2013-08-07 | 2015-02-16 | 株式会社オートネットワーク技術研究所 | Noise filter device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3649502B2 (en) | 2005-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Effective date: 20040826 Free format text: JAPANESE INTERMEDIATE CODE: A971007 |
|
| A131 | Notification of reasons for refusal |
Effective date: 20040907 Free format text: JAPANESE INTERMEDIATE CODE: A131 |
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