JP2001068873A - Connection structure of high-frequency circuit - Google Patents
Connection structure of high-frequency circuitInfo
- Publication number
- JP2001068873A JP2001068873A JP24423099A JP24423099A JP2001068873A JP 2001068873 A JP2001068873 A JP 2001068873A JP 24423099 A JP24423099 A JP 24423099A JP 24423099 A JP24423099 A JP 24423099A JP 2001068873 A JP2001068873 A JP 2001068873A
- Authority
- JP
- Japan
- Prior art keywords
- coaxial cable
- flange
- circuit
- connection structure
- holes
- 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
- Mounting Components In General For Electric Apparatus (AREA)
- Combinations Of Printed Boards (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は高周波回路の接続構
造に関する。The present invention relates to a connection structure for a high-frequency circuit.
【０００２】[0002]
【従来の技術】近年、携帯電話などの電子機器は、小型
化、低価格化の進展とともに社会に広く普及し、例え
ば、携帯電話などは我々の生活に不可欠のツールになり
つつある。周知のように携帯電話は、電波を用いて情報
(音声)を送受信するものであり、現行のシステムでは主
に1.5GHz帯の電波を使用している。このような電波を送
受信するために携帯電話には種々の高周波回路が配置さ
れている。2. Description of the Related Art In recent years, electronic devices such as mobile phones have become widespread in society with advances in miniaturization and price reduction. For example, mobile phones have become indispensable tools in our daily lives. As is well known, mobile phones use radio waves to transmit information
It transmits and receives (voice), and the current system mainly uses radio waves in the 1.5 GHz band. In order to transmit and receive such radio waves, various high-frequency circuits are arranged in a mobile phone.
【０００３】従来、これらの高周波回路の接続には両端
にコネクタが付いた所定長の同軸ケーブルを使用するの
が一般的であった。しかしながら、電子機器への小型化
要求が強まるに伴い、配置スペースが制限されて接続す
べき高周波回路が密接(隣接)配置されるようになり、そ
のためコネクタを使用しない以下のような接続構造が用
いられるようになった。Heretofore, for connecting these high-frequency circuits, a coaxial cable of a predetermined length having connectors at both ends has generally been used. However, with the increasing demand for miniaturization of electronic devices, the arrangement space is limited, and high-frequency circuits to be connected are arranged closely (adjacent) .Therefore, the following connection structure using no connector is used. I was able to.
【０００４】図3は、従来の密接配置された2つの高周波
回路の接続構造例を示す断面図である。この図に示す高
周波回路の接続構造は、各金属ケース21、31内に載置さ
れた回路基板22、32上の回路パターン23及び33を、前記
各金属ケースに設けたケーブル貫通孔24、34に挿通され
たセミリジッドケーブル25(semi-rigid coaxial cable,
外部導体に銅管を用いた半可とう性の同軸ケーブル、
詳細は、例えば、電子情報通信学会編、"アンテナ工学
ハンドブック"、p.239、オーム社、1989年参照)の中心
導体25aを介してはんだ付け26、36により接続したもの
である。さらに、セミリジッドケーブル25の外部導体は
各金属ケース21、31とはんだ付け27a(27b)、37a(37b)に
より接続されている。FIG. 3 is a sectional view showing an example of a conventional connection structure between two high-frequency circuits arranged closely. The connection structure of the high-frequency circuit shown in this figure is configured such that the circuit patterns 23 and 33 on the circuit boards 22 and 32 mounted in the metal cases 21 and 31 are connected to the cable through holes 24 and 34 provided in the metal cases. 25 (semi-rigid coaxial cable,
Semi-flexible coaxial cable using copper tube for outer conductor,
For details, for example, they are connected by soldering 26, 36 via the center conductor 25a of the IEICE Handbook, edited by the Institute of Electronics, Information and Communication Engineers, p.239, Ohmsha, 1989). Further, the outer conductor of the semi-rigid cable 25 is connected to each of the metal cases 21 and 31 by soldering 27a (27b) and 37a (37b).
【０００５】このような接続構造を採用することにより
制限されたスペース内に密接配置された高周波回路の接
続が可能になる。[0005] By adopting such a connection structure, it is possible to connect a high-frequency circuit closely arranged in a limited space.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら上述した
ような従来の高周波回路の接続構造においては以下に示
すような問題点があった。つまり、装置組立の際に高周
波回路接続のために施されるはんだ付けの内、一部の箇
所(27b、37b)が同軸ケーブル25の裏側となり、はんだ付
け状態を目視確認しにくく、従って、はんだ付けの信頼
性が低くなり問題であった。本発明は、上述した従来の
高周波回路の接続構造に関する問題を解決するためにな
されたもので、回路接続のためのはんだ付け状態を容易
に目視確認でき、従って、はんだ付けの信頼性が高い高
周波回路の接続構造を提供することを目的とする。However, the above-described conventional connection structure for a high-frequency circuit has the following problems. In other words, of the soldering performed for connecting the high-frequency circuit at the time of assembling the device, some parts (27b, 37b) are on the back side of the coaxial cable 25, making it difficult to visually check the soldering state. This was problematic because the reliability of the attachment was low. SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem relating to the connection structure of a conventional high-frequency circuit, and a soldering state for circuit connection can be easily visually checked. An object of the present invention is to provide a circuit connection structure.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明に係わる高周波回路の接続構造の請求項1記
載の発明は、筐体に収納された2つの高周波回路を同軸
ケーブルにて接続するための構造であって、前記筐体は
いずれも所要部に同軸ケーブルを挿通するための貫通孔
を備えており、前記同軸ケーブルを挿通するための貫通
孔を備えたフランジを前記筐体間の隙間に挿入してすべ
ての貫通孔が連通するよう配置し、該貫通孔すべてを挿
通するよう同軸ケーブルを配置するとともに該同軸ケー
ブルのアース導体部が前記フランジの所要部と電気的に
導通するように構成する。In order to achieve the above object, according to the present invention, there is provided a connection structure for a high-frequency circuit according to the present invention, wherein two high-frequency circuits housed in a housing are connected by a coaxial cable. A structure for connecting, wherein each of the housings has a through hole for inserting a coaxial cable in a required portion, and the housing has a flange provided with a through hole for inserting the coaxial cable. The coaxial cable is disposed so as to be inserted into all the through holes by inserting it into the gap between them, and the coaxial cable is disposed so as to penetrate all the through holes, and the ground conductor of the coaxial cable is electrically connected to a required portion of the flange. It is configured to
【０００８】[0008]
【発明の実施の形態】以下、図示した実施の形態例に基
づいて本発明を詳細に説明する。図1は本発明に係わる
高周波回路の接続構造について実施の形態例を示す断面
図である。また、図2は本発明に係わる高周波回路の接
続構造において使用する回路接続器を説明するための図
であり、同図(a)は斜視図、同図(b)は断面図を示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on illustrated embodiments. FIG. 1 is a sectional view showing an embodiment of a connection structure of a high-frequency circuit according to the present invention. FIGS. 2A and 2B are diagrams for explaining a circuit connector used in the connection structure of the high-frequency circuit according to the present invention. FIG. 2A is a perspective view, and FIG. 2B is a cross-sectional view.
【０００９】図2を参照しつつ図1に示した本発明に係わ
る高周波回路の接続構造について説明する。この例に示
す高周波回路の接続構造は、各金属ケース(筐体)1、11
内に載置された回路基板2、12上の回路パターン3及び13
を、前記各金属ケース1、11の間に挿入配置された回路
接続器4の同軸ケーブル中心導体45bを用い、当該金属ケ
ース1、11にそれぞれ設けたケーブル貫通孔5、15を介し
て2箇所のはんだ付け6、16により接続したものである。The connection structure of the high-frequency circuit according to the present invention shown in FIG. 1 will be described with reference to FIG. The connection structure of the high-frequency circuit shown in this example has metal cases (casings) 1, 11
Circuit patterns 3 and 13 on circuit boards 2 and 12 placed in
Using the coaxial cable center conductor 45b of the circuit connector 4 inserted between the metal cases 1 and 11 and two places through the cable through holes 5 and 15 provided in the metal cases 1 and 11, respectively. These are connected by soldering 6, 16.
【００１０】回路接続器4は、2つのネジ貫通孔41、42及
び1つのケーブル貫通孔43を有するフランジ44と、当該
ケーブル貫通孔43に挿通された所定長のセミリジッドケ
ーブル45とを備え、当該セミリジッドケーブル45のアー
ス導体部45aを前記フランジ44の所要部に予めはんだ付
け46a〜46dして構成される。The circuit connector 4 includes a flange 44 having two screw through holes 41 and 42 and one cable through hole 43, and a semi-rigid cable 45 having a predetermined length inserted through the cable through hole 43. The ground conductor 45a of the semi-rigid cable 45 is soldered 46a-46d to a required portion of the flange 44 in advance.
【００１１】この回路接続器4を用いて2つの高周波回路
を接続する手順について説明する。まず、回路接続器4
を2つの金属ケース1，11の間に挿入配置し、それぞれの
金属ケースに予め設けてあるネジ貫通孔(図示省略)と前
記フランジのネジ貫通孔41、42とを位置合わせした後
に、当該ネジ貫通孔に図示を省略したネジを挿通すると
ともにナットを用いて共締めする。これにより回路接続
器4は金属ケースに固定される。A procedure for connecting two high-frequency circuits using the circuit connector 4 will be described. First, circuit connector 4
Is inserted between the two metal cases 1 and 11, and after the screw through holes (not shown) provided in each metal case and the screw through holes 41 and 42 of the flange are aligned, the screw A screw (not shown) is inserted into the through-hole, and tightened together using a nut. Thereby, the circuit connector 4 is fixed to the metal case.
【００１２】次に、同軸ケーブルの中心導体45bの一端
を回路パターン3にはんだ6により接続するとともに、中
心導体45bの他端を回路パターン13にはんだ16により接
続する。Next, one end of the center conductor 45b of the coaxial cable is connected to the circuit pattern 3 by solder 6, and the other end of the center conductor 45b is connected to the circuit pattern 13 by solder 16.
【００１３】以上のように本発明に係わる高周波回路の
接続構造は構成されるので、組立時の回路接続のために
必要な2箇所のはんだ付け(6、16)の状態が容易に目視確
認できる。しかも、同軸ケーブル45のアース導体部45a
に係わるはんだ付け46a〜46dは回路接続器4を構成する
際に実施するので、このはんだ付けの状態も容易に目視
確認ができる。従って、本発明に係わる高周波回路の接
続構造は、はんだ付けの状態を十分に目視確認すること
ができ、その結果、はんだ付けの信頼性低下を防止する
ことが可能となる。As described above, the connection structure of the high-frequency circuit according to the present invention is constituted, so that the soldering (6, 16) states required for circuit connection at the time of assembly can be easily visually confirmed. . Moreover, the ground conductor 45a of the coaxial cable 45
Since the soldering 46a to 46d relating to the above is performed when the circuit connector 4 is formed, the state of the soldering can be easily visually checked. Therefore, in the connection structure of the high-frequency circuit according to the present invention, the state of soldering can be sufficiently checked visually, and as a result, it is possible to prevent a decrease in the reliability of soldering.
【００１４】[0014]
【発明の効果】本発明は以上説明したように回路接続器
を用いて密接配置される高周波回路を接続するように構
成したので、はんだ付け状態の目視確認が容易となり、
その結果、はんだ付けの信頼性が高い高周波回路の接続
構造を実現する上で著効を奏す。As described above, the present invention is configured to connect high-frequency circuits which are closely arranged by using a circuit connector as described above.
As a result, it is very effective in realizing a connection structure of a high-frequency circuit with high soldering reliability.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明に係わる高周波回路の接続構造の実施例
を説明するための断面図FIG. 1 is a cross-sectional view for explaining an embodiment of a connection structure of a high-frequency circuit according to the present invention.
【図２】本発明に係わる高周波回路の接続構造において
使用する回路接続器を説明する図FIG. 2 is a diagram for explaining a circuit connector used in a connection structure of a high-frequency circuit according to the present invention.
【図３】従来の高周波回路の接続構造例を説明する断面
図FIG. 3 is a cross-sectional view illustrating a connection structure example of a conventional high-frequency circuit.
1、11・・筐体(金属ケース) 2、12・・回路基板 3、13・・回路パターン 4、14・・回路接続器 5、15・・ケーブル貫通孔 6、16・・はんだ付け 41、42・・フランジに設けたネジ貫通孔 43・・フランジに設けたケーブル貫通孔 44・・フランジ 45・・セミリジッドケーブル 45a・・セミリジッドケーブルのアース導体 45b・・セミリジッドケーブルの中心導体 46a、46b、46c、46d・・フランジ部のはんだ付け 1,11 ... Case (metal case) 2,12 ... Circuit board 3,13 ... Circuit pattern 4,14 ... Circuit connector 5,15 ... Cable through hole 6,16 ... Soldering 41, 42 Screw through hole provided in flange 43 Cable through hole provided in flange 44 Flange 45 Semi-rigid cable 45a Ground conductor of semi-rigid cable 45b Central conductor of semi-rigid cable 46a, 46b, 46c , 46d
Claims (1)
軸ケーブルにて接続するための構造であって、前記筐体
はいずれも所要部に同軸ケーブルを挿通するための貫通
孔を備えており、前記同軸ケーブルを挿通するための貫
通孔を備えたフランジを前記筐体間の隙間に挿入してす
べての貫通孔が連通するよう配置し、該貫通孔すべてを
挿通するよう同軸ケーブルを配置するとともに該同軸ケ
ーブルのアース導体部が前記フランジの所要部と電気的
に導通していることを特徴とする高周波回路の接続構
造。1. A structure for connecting two high-frequency circuits housed in a housing by a coaxial cable, wherein each of the housings has a through hole for inserting the coaxial cable in a required portion. A flange having a through hole for inserting the coaxial cable is inserted into a gap between the housings so that all the through holes communicate with each other, and the coaxial cable is arranged to insert all the through holes. And a ground conductor portion of the coaxial cable is electrically connected to a required portion of the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24423099A JP4162337B2 (en) | 1999-08-31 | 1999-08-31 | High-frequency circuit connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24423099A JP4162337B2 (en) | 1999-08-31 | 1999-08-31 | High-frequency circuit connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001068873A true JP2001068873A (en) | 2001-03-16 |
| JP4162337B2 JP4162337B2 (en) | 2008-10-08 |
Family
ID=17115687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24423099A Expired - Lifetime JP4162337B2 (en) | 1999-08-31 | 1999-08-31 | High-frequency circuit connection structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4162337B2 (en) |
-
1999
- 1999-08-31 JP JP24423099A patent/JP4162337B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP4162337B2 (en) | 2008-10-08 |
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