JP5705601B2

JP5705601B2 - Branch connector

Info

Publication number: JP5705601B2
Application number: JP2011058469A
Authority: JP
Inventors: 啓輔川原; 齋藤　清; 清齋藤; 博昭石坂; 渡辺　浩; 浩渡辺
Original assignee: THE FURUKAW ELECTRIC CO., LTD.; Furukawa Automotive Systems Inc
Current assignee: THE FURUKAW ELECTRIC CO., LTD.; Furukawa Automotive Systems Inc
Priority date: 2011-03-16
Filing date: 2011-03-16
Publication date: 2015-04-22
Anticipated expiration: 2031-03-16
Also published as: JP2012195172A

Description

本発明は、電気信号の伝送路の分岐接続を行うため、例えば、車両の信号線の終端接続等に用いられる分岐コネクタに関する。 The present invention relates to a branch connector used for, for example, terminal connection of a signal line of a vehicle in order to perform branch connection of an electric signal transmission line.

分岐コネクタは、例えば、電線接続用コネクタに使用される。電線接続用コネクタは、例えば、接続すべき電線の端部に取り付けられる電線側コネクタと、該電線側コネクタに接続し電気信号の伝送路の分岐接続を行う分岐伝送路を有する分岐コネクタを使用した接続回路側コネクタとから構成され、電線側コネクタと接続回路側コネクタとを嵌合することにより、電線側コネクタに端部を接続された複数本の電線を一括して分岐伝送路に接続することができるような構造になっている。 The branch connector is used, for example, as a wire connecting connector. The wire connection connector uses, for example, a wire connector attached to the end of the wire to be connected, and a branch connector having a branch transmission path that connects to the wire side connector and performs branch connection of an electrical signal transmission path. Consists of a connection circuit side connector, and by connecting the wire side connector and the connection circuit side connector, a plurality of wires whose ends are connected to the wire side connector are collectively connected to the branch transmission line. It is structured to be able to.

近年、自動車としての安全性や快適性の要求に伴う車載通信においては、データ量の増加や複雑化に対応する高速でかつ信頼性の高いネットワークが構築されており、そのネットワークを介して制御信号、情報信号等の電気信号を伝送させるための車載通信における分岐コネクタの構成がいろいろと提案されている。また、車載通信の高速化に伴う、電気信号の波形歪を抑制するための電子部品（抵抗、コンデンサ等）を用いたフィルタ回路を挿入した、様々な分岐コネクタの構成も提案されている。 In recent years, in-vehicle communication due to demands for safety and comfort as an automobile, a high-speed and highly reliable network that can cope with an increase in data volume and complexity has been established, and control signals can be transmitted via the network. Various configurations of branch connectors in in-vehicle communication for transmitting electrical signals such as information signals have been proposed. Also, various branch connector configurations have been proposed in which filter circuits using electronic components (resistors, capacitors, etc.) for suppressing waveform distortion of electric signals accompanying the increase in in-vehicle communication speed are inserted.

例えば、バスバータイプの構造では、フィルタ回路を実装することが容易ではないことから、接続パターンが形成されているプリント基板上に、電子部品を実装してフィルタ回路を構成する分岐コネクタも提案されている（例えば、特許文献１）。 For example, since it is not easy to mount a filter circuit in a bus bar type structure, a branch connector is also proposed in which an electronic component is mounted on a printed circuit board on which a connection pattern is formed to configure the filter circuit. (For example, Patent Document 1).

特開２０１０−１６０９３８号公報JP 2010-160938 A

しかしながら、従来の分岐コネクタは、電気信号を分岐接続する伝送路において、各分岐接続先に対応して分岐された伝送路の一部分である分岐伝送部は、伝送路の主幹部に対して略直角に分岐し、分岐接続先毎の複数の分岐伝送部が略平行に構成されている。そのため、伝送路の主幹部の一点から各分岐伝送部の端部までの距離（伝送距離）は、一定ではなかった。また、高速通信においては、電気信号の波長が短くなっていることから、分岐接続先によって伝送距離の異なる従来の分岐コネクタでは、伝送距離の違いによる電気信号の伝搬時間や電圧値等の違いが問題となる可能性があった。 However, in the conventional branch connector, in the transmission path for branching electrical signals, the branch transmission section that is a part of the transmission path branched corresponding to each branch connection destination is substantially perpendicular to the main trunk of the transmission path. A plurality of branch transmission units for each branch connection destination are configured substantially in parallel. Therefore, the distance (transmission distance) from one point of the main part of the transmission path to the end of each branch transmission part is not constant. In high-speed communication, because the wavelength of the electrical signal is short, the conventional branch connector with a different transmission distance depending on the branch connection destination has a difference in the propagation time or voltage value of the electrical signal due to the difference in the transmission distance. It could be a problem.

そこで、本発明は、以上のような問題点を解決するためになされたもので、伝送路の分岐中央部の一点から各分岐接続先に対応して分岐された分岐伝送部の端部までの距離（伝送距離）が、すべての分岐接続先で略一定となる伝送路を構成することが可能な分岐コネクタを提供することを目的とする。 Therefore, the present invention has been made to solve the above-described problems. From one point of the branch center of the transmission path to the end of the branch transmission unit branched corresponding to each branch connection destination. It is an object of the present invention to provide a branch connector capable of constituting a transmission path in which the distance (transmission distance) is substantially constant at all branch connection destinations.

上述した従来の問題点を解決すべく下記の発明を提供する。
本発明の第１の態様にかかる分岐コネクタは、電気信号の伝送路の分岐接続を行う分岐伝送路を有する分岐コネクタであって、
前記分岐コネクタは、前記分岐伝送路が面上に形成され、分岐接続先のそれぞれに対応した雄端子を表面に立設したプリント基板を有しており、
前記プリント基板の面上に形成された前記分岐伝送路は、当該分岐伝送路内の１点である分岐中心点から分岐接続先毎の当該分岐伝送路の端部までの伝送距離がすべての前記分岐接続先で略同一であり、かつ、前記雄端子に電気的に接続するランドの中心と当該ランドに電気的に接続する前記分岐伝送路の前記分岐中心点との間の距離が、すべての前記分岐接続先に対して略一定であり、
前記プリント基板が両面基板であり、前記分岐伝送路が差動信号を伝送する差動伝送路であるとき、
２つの前記分岐伝送路を、それぞれ１つずつ当該プリント基板の表面及び裏面に形成するとともに、前記分岐接続先毎にペアとなる前記プリント基板の表面の前記伝送距離と当該プリント基板の裏面の前記伝送距離が略一定であることを特徴とする。 The following invention is provided to solve the above-mentioned conventional problems.
A branch connector according to a first aspect of the present invention is a branch connector having a branch transmission path for branch connection of an electric signal transmission path,
The branch connector has a printed circuit board in which the branch transmission path is formed on the surface, and male terminals corresponding to the branch connection destinations are erected on the surface,
The branch transmission line formed on the surface of the printed circuit board has a transmission distance from the branch center point, which is one point in the branch transmission line, to the end of the branch transmission line for each branch connection destination. Ri substantially equal der branched destination, and the distance between the branch center point of the branch transmission path for electrically connecting with the center the lands of lands electrically connected to the male terminal, all Is substantially constant with respect to the branch connection destination of
When the printed circuit board is a double-sided board and the branch transmission line is a differential transmission line that transmits a differential signal,
Two branch transmission lines are formed on the front and back surfaces of the printed circuit board one by one, and the transmission distance on the front surface of the printed circuit board that is paired for each branch connection destination and the back surface of the printed circuit board. transmission distance and said substantially constant der Rukoto.

本発明の第２の態様にかかる分岐コネクタは、上記の本発明の第１の態様にかかる分岐コネクタにおいて、前記分岐コネクタは、前記プリント基板の面上に実装され、前記分岐接続先毎に対応した前記分岐伝送路の端部と当該分岐接続先毎に対応した前記雄端子とに電気的に接続し、当該分岐伝送路の端部と当該雄端子との間の電気信号の波形歪を抑制する電子部品を、前記雄端子毎に備えていることを特徴とする。 The branch connector according to the second aspect of the present invention is the branch connector according to the first aspect of the present invention, wherein the branch connector is mounted on the surface of the printed circuit board and corresponds to each branch connection destination. The electrical connection between the end of the branched transmission path and the male terminal corresponding to each branch connection destination is suppressed, and the waveform distortion of the electrical signal between the end of the branched transmission path and the male terminal is suppressed. An electronic component is provided for each male terminal.

本発明の第３の態様にかかる分岐コネクタは、上記の本発明の第２の態様にかかる分岐コネクタにおいて、前記プリント基板の面上に設けられ、前記雄端子に電気的に接続する前記ランドが、当該雄端子に電気的に接続する前記電子部品の一方の端部のランドを兼ねていることを特徴とする。 A branch connector according to a third aspect of the present invention is the branch connector according to the second aspect of the present invention described above, wherein the land provided on the surface of the printed circuit board and electrically connected to the male terminal is provided. The electronic component that is electrically connected to the male terminal also serves as a land at one end of the electronic component.

本発明の第４の態様にかかる分岐コネクタは、上記の本発明の第２または３の態様にかかる分岐コネクタにおいて、前記プリント基板の面上に設けられ、前記雄端子に電気的に接続する前記ランドが、前記雄端子に隣接しかつ当該ランドとは直接電気的に接続していない前記電子部品との干渉を防止する形状を有していることを特徴とする。
本発明の第５の態様にかかる分岐コネクタは、電気信号の伝送路の分岐接続を行う分岐伝送路を有する分岐コネクタであって、
前記分岐コネクタは、
前記分岐伝送路が面上に形成され、分岐接続先のそれぞれに対応した雄端子を表面に立設したプリント基板と、
前記プリント基板の面上に実装され、前記分岐接続先毎に対応した前記分岐伝送路の端部と当該分岐接続先毎に対応した前記雄端子とに電気的に接続し、当該分岐伝送路の端部と当該雄端子との間の電気信号の波形歪を抑制する、前記雄端子毎に備えられた電子部品と、
を有しており、
前記プリント基板の面上に形成された前記分岐伝送路は、当該分岐伝送路内の１点である分岐中心点から分岐接続先毎の当該分岐伝送路の端部までの伝送距離がすべての前記分岐接続先で略同一であり、かつ、前記雄端子に電気的に接続するランドの中心と当該ランドに電気的に接続する前記分岐伝送路の前記分岐中心点との間の距離が、すべての前記分岐接続先に対して略一定であり、
前記プリント基板の面上に設けられ、前記雄端子に電気的に接続する前記ランドが、前記雄端子に隣接しかつ当該ランドとは直接電気的に接続していない前記電子部品との干渉を防止する形状を有していることを特徴とする。
本発明の第６の態様にかかる分岐コネクタは、上記の本発明の第５の態様にかかる分岐コネクタにおいて、前記プリント基板の面上に設けられ、前記雄端子に電気的に接続する前記ランドが、当該雄端子に電気的に接続する前記電子部品の一方の端部のランドを兼ねていることを特徴とする。 A branch connector according to a fourth aspect of the present invention is the above-described branch connector according to the second or third aspect of the present invention, wherein the branch connector is provided on the surface of the printed circuit board and electrically connected to the male terminal. The land has a shape that prevents interference with the electronic component adjacent to the male terminal and not directly electrically connected to the land.
A branch connector according to a fifth aspect of the present invention is a branch connector having a branch transmission line that performs branch connection of an electric signal transmission line,
The branch connector is
The branch transmission path is formed on the surface, and a printed circuit board on which male terminals corresponding to each of branch connection destinations are erected on the surface;
Mounted on the surface of the printed circuit board, electrically connected to the end of the branch transmission path corresponding to each branch connection destination and the male terminal corresponding to each branch connection destination, An electronic component provided for each male terminal, which suppresses waveform distortion of an electric signal between the end and the male terminal,
Have
The branch transmission line formed on the surface of the printed circuit board has a transmission distance from the branch center point, which is one point in the branch transmission line, to the end of the branch transmission line for each branch connection destination. The distance between the center of the land that is substantially the same at the branch connection destination and electrically connected to the male terminal and the branch center point of the branch transmission path that is electrically connected to the land is all Substantially constant with respect to the branch connection destination,
The land provided on the surface of the printed circuit board and electrically connected to the male terminal prevents interference with the electronic component adjacent to the male terminal and not directly electrically connected to the land. It has the shape to do.
A branch connector according to a sixth aspect of the present invention is the branch connector according to the fifth aspect of the present invention, wherein the land provided on the surface of the printed circuit board and electrically connected to the male terminal is provided. The electronic component that is electrically connected to the male terminal also serves as a land at one end of the electronic component.

本発明の第７の態様にかかる分岐コネクタは、電気信号の伝送路の分岐接続を行う分岐伝送路を有する分岐コネクタであって、
前記分岐コネクタは、前記分岐伝送路が面上及び／または多層基板のときの内層に形成され、分岐接続先のそれぞれに対応した雄端子を表面に立設したプリント基板を有しており、
前記プリント基板の面上及び／または多層基板のときの内層に形成された前記分岐伝送路は、当該分岐伝送路内の１点である分岐中心点から分岐接続先毎の当該分岐伝送路の端部までの伝送距離がすべての前記分岐接続先で略同一であり、かつ、前記雄端子に電気的に接続するランドの中心と当該ランドに電気的に接続する前記分岐伝送路の前記分岐中心点との間の距離が、すべての前記分岐接続先に対して略一定であり、
前記プリント基板が多層基板であり、前記分岐伝送路が差動信号を伝送する差動伝送路であるとき、前記プリント基板は、２つの前記分岐伝送路をそれぞれ１つずつ、当該プリント基板の絶縁層を少なくとも１層挟んで形成されるとともに、前記分岐接続先毎にペアとなる前記伝送距離が略一定であることを特徴とする。 A branch connector according to a seventh aspect of the present invention is a branch connector having a branch transmission line that performs branch connection of an electric signal transmission line,
The branch connector is formed on the surface and / or the inner layer when the branch transmission line is a multilayer board, and has a printed board on which male terminals corresponding to each branch connection destination are erected on the surface,
The branch transmission line formed on the surface of the printed circuit board and / or the inner layer in the case of a multilayer board is an end of the branch transmission line for each branch connection destination from a branch center point which is one point in the branch transmission line. And the branch center point of the branch transmission path that is electrically connected to the land and the center of the land that is electrically connected to the male terminal, and the transmission distance to the portion is substantially the same at all the branch connection destinations. Is substantially constant for all the branch connection destinations,
When the printed circuit board is a multilayer circuit board and the branch transmission line is a differential transmission line that transmits a differential signal, the printed circuit board is configured to insulate the two branched transmission lines one by one. It is characterized in that at least one layer is sandwiched and the transmission distance that forms a pair for each branch connection destination is substantially constant.

本発明の第８の態様にかかる分岐コネクタは、上記の本発明の第１乃至７のいずれか１つの態様にかかる分岐コネクタにおいて、前記分岐伝送路は、前記分岐接続先のそれぞれに対応した端部を有した放射状伝送部を備え、前記放射状伝送部は、前記分岐中心を有する分岐中央部と、前記分岐中央部と一体化して形成され、前記分岐接続先のそれぞれに対応した端部を有する分岐伝送部と、を備え、前記放射状伝送部は、前記分岐伝送部の幅中心線が、前記分岐中央部の前記分岐中心点から２次元放射状に分岐し、前記分岐中心点から前記分岐伝送部の端部までの伝送距離がすべての前記分岐接続先で略同一となるとともに、前記分岐中央部と前記分岐伝送部とが一体化して形成されていることを特徴とする。 A branch connector according to an eighth aspect of the present invention is the branch connector according to any one of the first to seventh aspects of the present invention described above, wherein the branch transmission line is an end corresponding to each of the branch connection destinations. A radial transmission section having a branch portion, the radial transmission section being formed integrally with the branch center section having the branch center, and having an end corresponding to each of the branch connection destinations. A branch transmission unit, and the radial transmission unit has a width center line of the branch transmission unit bifurcating radially from the branch center point of the branch center unit and from the branch center point to the branch transmission unit. The transmission distance to the end of the branch is substantially the same at all the branch connection destinations, and the branch central part and the branch transmission part are integrally formed.

本発明の第９の態様にかかる分岐コネクタは、上記の本発明の第８の態様にかかる分岐コネクタにおいて、前記放射状伝送部は、前記分岐中心点を中心に隣り合う前記分岐伝送部の幅中心線のなす角が略同角度となるようなに形成されていることを特徴とする。 The branch connector according to a ninth aspect of the present invention is the branch connector according to the eighth aspect of the present invention described above, wherein the radial transmission unit is centered on the width of the branch transmission unit adjacent to the branch center point. It is characterized in that the angle formed by the lines is substantially the same angle.

本発明の第１０の態様にかかる分岐コネクタは、上記の本発明の第１乃至９のいずれか１つの態様にかかる分岐コネクタを、車載ネットワーク通信の終端接続部として用いることを特徴とする。

A branch connector according to a tenth aspect of the present invention is characterized in that the branch connector according to any one of the first to ninth aspects of the present invention described above is used as a terminal connection part for in-vehicle network communication.

本発明によれば、分岐伝送路の分岐中心から各分岐接続先に対応して分岐された分岐伝送路の端部までの距離（伝送距離）が、すべての分岐接続先で略一定となるため、制御信号、情報信号等の電気信号の伝搬時間や電圧値がすべての分岐接続先で略同一となり、信頼性の高い通信を行うことができる。 According to the present invention, the distance (transmission distance) from the branch center of the branch transmission path to the end of the branch transmission path branched corresponding to each branch connection destination is substantially constant at all branch connection destinations. The propagation time and voltage value of electric signals such as control signals and information signals are substantially the same at all branch connection destinations, and highly reliable communication can be performed.

また、プリント基板を用いることにより、容易に電子部品を実装することができ、電気信号の波形歪を抑制することができる。 In addition, by using a printed circuit board, electronic components can be easily mounted and waveform distortion of electric signals can be suppressed.

また、すべての分岐接続先で略同一となる分岐伝送路を有したバスバーを２層使用したり、両面のそれぞれに１つずつ分岐伝送路を形成した両面基板であるプリント基板を使用したり、１層に１つの分岐伝送路を形成した２層を備えた多層基板であるプリント基板を使用したりすることにより、差動伝送路にも使用することができる。 Also, two layers of bus bars having branch transmission paths that are substantially the same at all branch connection destinations, or a printed circuit board that is a double-sided board with one branch transmission path formed on each of both sides, By using a printed circuit board which is a multilayer substrate having two layers in which one branch transmission path is formed in one layer, it can be used for a differential transmission path.

本発明の実施形態にかかる分岐コネクタを説明するための図である。It is a figure for demonstrating the branch connector concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ２０の一例の概略側面図である。It is a schematic side view of an example of the branch connector 20 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ２０の一例の表面側の概略平面図である。It is a schematic plan view of the surface side of an example of the branch connector 20 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ２０の一例の裏面側の概略平面図である。It is a schematic plan view by the side of the back surface of an example of the branch connector 20 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ１２０の一例の概略側面図である。It is a schematic side view of an example of the branch connector 120 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ１２０の一例の表面側の概略平面図である。It is a schematic plan view of the surface side of an example of the branch connector 120 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ１２０の一例の裏面側の概略平面図である。It is a schematic plan view of the back side of an example of the branch connector 120 concerning embodiment of this invention. プリント基板１３０に実装された電子部品及びランドを説明するための拡大平面図である。4 is an enlarged plan view for explaining an electronic component and a land mounted on a printed board 130. FIG. 本発明の実施形態にかかる分岐コネクタ２２０の一例の概略側面図である。It is a schematic side view of an example of the branch connector 220 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ２２０の一例の表面側の概略平面図である。It is a schematic plan view of the surface side of an example of the branch connector 220 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ２２０の一例の裏面側の概略平面図である。It is a schematic plan view of the back surface side of an example of the branch connector 220 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタ３２０の一例の概略側面図である。It is a schematic side view of an example of the branch connector 320 concerning embodiment of this invention. 本発明の実施形態にかかる分岐コネクタに使用されるバスバー７０の一例の概略斜視図である。It is a schematic perspective view of an example of the bus bar 70 used for the branch connector concerning embodiment of this invention. （ａ）は、バスバー７０のロアケース１６側からの概略平面図であり、（ｂ）は、バスバー７０の概略側面図である。(A) is a schematic plan view from the lower case 16 side of the bus bar 70, and (b) is a schematic side view of the bus bar 70. 本発明の実施形態にかかる分岐コネクタに使用される２つのバスバー７０ａ及び７０ｂの一例の概略斜視図である。It is a schematic perspective view of an example of two bus bars 70a and 70b used in the branch connector according to the embodiment of the present invention.

以下に本発明の実施の形態を図面に基づいて詳細に説明する。尚、本実施の形態における記述は、本発明にかかる分岐コネクタの一例を示すものであり、これに限定されるものではない。本実施の形態における分岐コネクタの細部構成等に関しては、本発明の趣旨を逸脱しない範囲で適宜変更可能である。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, the description in this Embodiment shows an example of the branch connector concerning this invention, and is not limited to this. The detailed configuration and the like of the branch connector in the present embodiment can be appropriately changed without departing from the spirit of the present invention.

まず、本発明の実施形態にかかる分岐コネクタについて説明する。図１は、本発明の実施形態にかかる分岐コネクタを説明するための図である。図１に示すように、例えば、本発明の実施形態にかかる分岐コネクタ２０は、電線同士を接続するときに使用する電線側コネクタ１１と接続回路側コネクタ１４とを備えた電線接続用コネクタ１に使用される。 First, a branch connector according to an embodiment of the present invention will be described. FIG. 1 is a view for explaining a branch connector according to an embodiment of the present invention. As shown in FIG. 1, for example, the branch connector 20 according to the embodiment of the present invention is a wire connection connector 1 including a wire side connector 11 and a connection circuit side connector 14 that are used when wires are connected to each other. used.

電線側コネクタ１１は、電線用単層ユニット１２を複数層積層したものである。また、電線用単層ユニット１２は、例えば成形性に優れたポリプロピレン等の材料で形成された扁平ハウジング内に、電気信号の伝送を行う電線に接続される第１接続端子部を平面的に配列したものである。尚、符号１３はカバー部材である。 The electric wire side connector 11 is obtained by laminating a plurality of electric single layer units 12. Moreover, the single layer unit 12 for electric wires arrange | positions the 1st connection terminal part connected to the electric wire which transmits an electric signal planarly in the flat housing formed, for example with the material which was excellent in the moldability etc. It is a thing. Reference numeral 13 denotes a cover member.

接続回路側コネクタ１４は、電線側コネクタ１１を収納する、例えば成形性に優れたポリプロピレン等の材料で形成されたアッパーケース１５と、第１接続端子部に嵌合する第２接続端子部と電気的に接続されている分岐伝送路を備えた分岐コネクタ２０と、アッパーケース１５と協働して分岐コネクタ２０を挟みこむ、例えば成形性に優れたポリプロピレン等の材料で形成されたロアケース１６と、を備えている。 The connection circuit side connector 14 accommodates the wire side connector 11, for example, an upper case 15 made of a material such as polypropylene having excellent moldability, a second connection terminal portion that fits into the first connection terminal portion, and an electric A branch connector 20 having a branch transmission line connected thereto, and a lower case 16 formed of a material such as polypropylene having excellent moldability, for example, sandwiching the branch connector 20 in cooperation with the upper case 15; It has.

尚、図１においては、分岐コネクタ２０として、プリント基板を用いた場合を示しているが、バスバーを用いても良い。また、プリント基板を用いた場合は、第１接続端子部を雌端子と呼び、第２接続端子部を雄端子と呼ぶ。また、バスバーを用いて場合は、第１接続端子部を雌接続端子部と呼び、第２接続端子部が雄接続端子部と呼ぶ。 Although FIG. 1 shows a case where a printed board is used as the branch connector 20, a bus bar may be used. When a printed circuit board is used, the first connection terminal portion is called a female terminal, and the second connection terminal portion is called a male terminal. When using a bus bar, the first connection terminal portion is called a female connection terminal portion, and the second connection terminal portion is called a male connection terminal portion.

上述したように本発明の実施形態にかかる分岐コネクタ２０を備えた電線接続用コネクタ１は、電線側コネクタ１１と接続回路側コネクタ１４とを嵌合させることによって、即ち、電線側コネクタ１１の第１接続端子部と接続回路側コネクタ１４の第２接続端子部とを嵌合させることによって、電気信号の伝送を行う電線を、分岐接続を行う所定の接続パターン（分岐伝送路）に一括して接続することができる。 As described above, the wire connecting connector 1 including the branch connector 20 according to the embodiment of the present invention is obtained by fitting the wire side connector 11 and the connection circuit side connector 14, that is, the first side of the wire side connector 11. By fitting the 1 connection terminal part and the second connection terminal part of the connection circuit side connector 14 together, the electric wires for transmitting electrical signals are collectively put into a predetermined connection pattern (branch transmission path) for branch connection. Can be connected.

次に、本発明の実施形態にかかる分岐コネクタについて説明する。
まず、プリント基板を使用した本発明の実施形態にかかる分岐コネクタ２０の一例について、図２乃至図４を参照して説明する。 Next, the branch connector according to the embodiment of the present invention will be described.
First, an example of the branch connector 20 according to the embodiment of the present invention using a printed circuit board will be described with reference to FIGS. 2 to 4.

図２は、本発明の実施形態にかかる分岐コネクタ２０の一例の概略側面図である。また、図３は、本発明の実施形態にかかる分岐コネクタ２０の一例の表面側の概略平面図であり、図４は、その分岐コネクタ２０の裏面側の概略平面図である。尚、本明細書では、分岐伝送路の分岐接続先数が５つの場合を例に挙げて説明する。 FIG. 2 is a schematic side view of an example of the branch connector 20 according to the embodiment of the present invention. FIG. 3 is a schematic plan view of the front side of an example of the branch connector 20 according to the embodiment of the present invention, and FIG. 4 is a schematic plan view of the back side of the branch connector 20. In this specification, a case where the number of branch connection destinations of a branch transmission path is five will be described as an example.

図２乃至図４に示すように、本発明の実施形態にかかる分岐コネクタ２０において、プリント基板３０には、分岐中央部４０と、分岐接続先のそれぞれの端部を有した５つの分岐伝送部４２と、を備えた分岐伝送路である放射状伝送部４３が、該プリント基板３０の表面に配線パターンとして形成されている。尚、図２乃至図４においては、プリント基板３０の表面に放射状伝送部４３を設けているが、裏面に放射状伝送部４３が設けられていても良い。ここで、プリント基板３０の表面とはアッパーケース１５側の面であり、プリント基板３０の裏面とはロアケース１６側の面である。 As shown in FIGS. 2 to 4, in the branch connector 20 according to the embodiment of the present invention, the printed circuit board 30 includes five branch transmission units each having a branch center portion 40 and respective ends of branch connection destinations. , And a radial transmission portion 43 that is a branch transmission path provided as a wiring pattern on the surface of the printed circuit board 30. 2 to 4, the radial transmission unit 43 is provided on the front surface of the printed circuit board 30, but the radial transmission unit 43 may be provided on the back surface. Here, the surface of the printed circuit board 30 is a surface on the upper case 15 side, and the back surface of the printed circuit board 30 is a surface on the lower case 16 side.

放射状伝送部４３は、分岐伝送部４２の幅中心線４５が、分岐中央部４０の分岐中心点４１から２次元放射状に分岐し、分岐中心点４１から分岐伝送部４２の端部４４までの伝送距離がすべての分岐伝送部４２で略同一となるとともに、分岐中央部４０と分岐伝送部４２とが一体化して形成されている。 In the radial transmission unit 43, the width center line 45 of the branch transmission unit 42 branches two-dimensionally radially from the branch center point 41 of the branch center unit 40, and transmission from the branch center point 41 to the end 44 of the branch transmission unit 42. The distance is substantially the same in all the branch transmission units 42, and the branch center unit 40 and the branch transmission unit 42 are integrally formed.

また、放射状伝送部４３は、分岐中心点４１から分岐伝送部４２の幅中心線４５上の端部４４までの距離（伝送距離）Ｌが、すべての分岐接続先で略同一となる形状である。また、分岐中心点４１を中心に隣り合う幅中心線４５同士のなす角θは、略同角度であることが好ましい。また、すべての分岐接続先に対する分岐伝送部４２の幅Ｗも略同一であることが好ましい。 The radial transmission unit 43 has a shape in which the distance (transmission distance) L from the branch center point 41 to the end 44 on the width center line 45 of the branch transmission unit 42 is substantially the same at all branch connection destinations. . Further, it is preferable that the angle θ formed by the width center lines 45 adjacent to each other about the branch center point 41 is substantially the same angle. Further, it is preferable that the width W of the branch transmission unit 42 for all branch connection destinations is substantially the same.

尚、図２乃至図４においては、分岐伝送路として、上述したような２次元放射状に分岐した分岐伝送部４２を有した形状の放射状伝送部４３である場合を例に挙げているが、分岐伝送路は、放射状伝送部４３に限らず、分岐伝送路内の一点である分岐中心点から該分岐伝送路の分岐接続先のそれぞれに対応した端部までの伝送距離がすべての分岐接続先で略同一となるように形成された分岐伝送路であれば良い。 2 to 4 exemplify the case where the branch transmission path is the radial transmission section 43 having the branch transmission section 42 branched in the two-dimensional radial manner as described above. The transmission path is not limited to the radial transmission section 43, and the transmission distance from the branch center point, which is one point in the branch transmission path, to the end corresponding to each branch connection destination of the branch transmission path is at all branch connection destinations. Any branch transmission line formed so as to be substantially the same may be used.

また、プリント基板３０には、表面に分岐接続先のそれぞれに対応した雄端子５０が表面に立設している。尚、プリント基板３０の表面に立設した雄端子５０は、プリント基板３０の表面に対して垂直をなすように固定されている。 The printed circuit board 30 has male terminals 50 standing on the surface corresponding to the branch connection destinations on the surface. The male terminal 50 erected on the surface of the printed circuit board 30 is fixed so as to be perpendicular to the surface of the printed circuit board 30.

また、プリント基板３０には、雄端子５０のそれぞれに対応したランド５２及び５３が、放射状伝送部４３の設けられている面（図２乃至図４では表面）及びその反対面（図２乃至図４では裏面）のそれぞれの面上に設けられている。尚、プリント基板３０のランド５２及びランド５３は、同一のスルーホールの両端に位置しており、各ランド５２は放射状伝送部４３の各分岐伝送部４２に直接電気的に接続し、各ランド５３は放射状伝送部４３に直接電気的に接続していない。ここで、直接電気的に接続するとは、他のランドや伝送路を介さずに電気的に接続することである。また、ランド５２は、雄端子５０に電気的に接続されている。 Further, the printed circuit board 30 has lands 52 and 53 corresponding to the male terminals 50 respectively on the surface where the radial transmission portion 43 is provided (the surface in FIGS. 2 to 4) and the opposite surface (FIGS. 2 to 5). 4 is provided on each surface of the back surface. The lands 52 and lands 53 of the printed circuit board 30 are located at both ends of the same through hole, and each land 52 is electrically connected directly to each branch transmission unit 42 of the radial transmission unit 43. Are not directly electrically connected to the radial transmission part 43. Here, the direct electrical connection refers to electrical connection without passing through other lands or transmission lines. The land 52 is electrically connected to the male terminal 50.

上述したようなプリント基板３０を使用することにより、分岐伝送路である放射状伝送部４３の分岐中心点４１から分岐伝送部４２の端部４４までの距離（伝送距離）Ｌが、すべての分岐接続先で略一定となるため、制御信号、情報信号等の電気信号の伝搬時間や電圧値がすべての分岐接続先で略同一となり、信頼性の高い通信を行うことができる。 By using the printed circuit board 30 as described above, the distance (transmission distance) L from the branch center point 41 of the radial transmission unit 43 that is a branch transmission path to the end 44 of the branch transmission unit 42 is all branch connections. Since it is substantially constant first, the propagation time and voltage value of electrical signals such as control signals and information signals are substantially the same at all branch connection destinations, and highly reliable communication can be performed.

次に、本発明の実施形態にかかる分岐コネクタ２０と異なる別の一例である分岐コネクタ１２０について、図５乃至図８を参照して説明する。 Next, a branch connector 120, which is another example different from the branch connector 20 according to the embodiment of the present invention, will be described with reference to FIGS.

図５は、本発明の実施形態にかかる分岐コネクタ１２０の一例の概略側面図である。また、図６は、本発明の実施形態にかかる分岐コネクタ１２０の一例の表面側の概略平面図であり、図７は、その分岐コネクタ１２０の裏面側の概略平面図である。また、図８は、プリント基板１３０に実装された電子部品及びランドを説明するための拡大平面図である。 FIG. 5 is a schematic side view of an example of the branch connector 120 according to the embodiment of the present invention. FIG. 6 is a schematic plan view of the front side of an example of the branch connector 120 according to the embodiment of the present invention, and FIG. 7 is a schematic plan view of the back side of the branch connector 120. FIG. 8 is an enlarged plan view for explaining electronic components and lands mounted on the printed circuit board 130.

図２乃至図４に示した分岐コネクタ２０と、図５乃至図７に示した分岐コネクタ１２０との相違点について説明する。分岐コネクタ２０は、プリント基板３０に電子部品が実装されていないが、分岐コネクタ１２０は、プリント基板１３０に電子部品６０が実装されており、各分岐接続先の雄端子５０と電気的に接続されるランド５２と放射状伝送部４３の各分岐伝送部４２とが、電子部品６０を介して電気的に接続されている。電子部品６０は、抵抗６１とインダクタンス６２であり、すべての雄端子５０のそれぞれに対応して、抵抗６１及びインダクタンス６２の１組がそれぞれ実装されている。 Differences between the branch connector 20 shown in FIGS. 2 to 4 and the branch connector 120 shown in FIGS. 5 to 7 will be described. The branch connector 20 has no electronic component mounted on the printed circuit board 30, but the branch connector 120 has the electronic component 60 mounted on the printed circuit board 130 and is electrically connected to the male terminal 50 at each branch connection destination. The land 52 and each branch transmission unit 42 of the radial transmission unit 43 are electrically connected via an electronic component 60. The electronic component 60 includes a resistor 61 and an inductance 62, and one set of the resistor 61 and the inductance 62 is mounted on each of the male terminals 50.

抵抗６１及びインダクタンス６２の一端が雄端子５０と電気的に接続されているランド５２に電気的に接続され、抵抗６１及びインダクタンス６２の他端が放射状伝送部４３の分岐伝送部４２に電気的に接続されることにより、電子部品６０である抵抗６１及びインダクタンス６２が並列回路を構成し、雄端子５０と放射状伝送部４３の分岐伝送部４２との間の制御信号や情報信号等の電気信号の波形歪を抑制することができる。 One end of the resistor 61 and the inductance 62 is electrically connected to the land 52 electrically connected to the male terminal 50, and the other end of the resistor 61 and the inductance 62 is electrically connected to the branch transmission unit 42 of the radial transmission unit 43. By being connected, the resistor 61 and the inductance 62 which are the electronic components 60 constitute a parallel circuit, and an electric signal such as a control signal or an information signal between the male terminal 50 and the branch transmission unit 42 of the radial transmission unit 43 is transmitted. Waveform distortion can be suppressed.

電子部品６０は、半田付け等により容易にプリント基板１３０に実装することができる。尚、半田付けの場合、プリント基板１３０への電子部品６０の実装に際しては、電子部品６０を半田付けするのに必要な分岐伝送部４２の最小領域を実装必要領域としたとき、実装必要領域以外の放射状伝送部４３の領域をレジストして半田付けの影響を受けないようにしても良い。 The electronic component 60 can be easily mounted on the printed circuit board 130 by soldering or the like. In the case of soldering, when the electronic component 60 is mounted on the printed circuit board 130, when the minimum area of the branch transmission unit 42 necessary for soldering the electronic component 60 is set as the mounting required area, the area other than the mounting required area The region of the radial transmission portion 43 may be resisted so as not to be affected by soldering.

電子部品６０と電気的に接続するランド５２は、図８に示すように、＋Ｙ方向側の辺が長辺で、長辺に対向する−Ｙ方向側の辺が短辺となる異型の台形形状を有しており、ランド５２の中心部に、雄端子５０の基端部５１が位置している。即ち、各雄端子５０と電気的に接続する各ランド５２が、各雄端子５０に隣接しかつ各ランド５２と直接電気的に接続していない電子部品６０との干渉を防止する形状を有している。 As shown in FIG. 8, the land 52 that is electrically connected to the electronic component 60 has a long side on the + Y direction side and an atypical trapezoidal shape that has a short side on the −Y direction side that faces the long side. The base end portion 51 of the male terminal 50 is located at the center of the land 52. That is, each land 52 electrically connected to each male terminal 50 has a shape that prevents interference with the electronic component 60 that is adjacent to each male terminal 50 and not directly electrically connected to each land 52. ing.

また、各雄端子５０と電気的に接続する各ランド５２は、各電子部品６０の一端のランド、即ち、各抵抗６１及び各インダクタンス６２の一端のランドを兼ねている。これにより、各電子部品６０の一端のランドが各雄端子５０と電気的に接続する各ランド５２と一体化するので、各雄端子５０と各電子部品６０との間の距離が短くなり、電子部品６０によるノイズ除去の効果を向上させることができる。また、一体化によりランド全体の面積が小さくなることからプリント基板１３０全体の小型化を更に図ることができる。即ち、分岐コネクタ１２０の小型化を更に図ることができる。 Each land 52 electrically connected to each male terminal 50 also serves as a land at one end of each electronic component 60, that is, a land at one end of each resistor 61 and each inductance 62. As a result, the land at one end of each electronic component 60 is integrated with each land 52 electrically connected to each male terminal 50, so that the distance between each male terminal 50 and each electronic component 60 is shortened. The effect of noise removal by the component 60 can be improved. Moreover, since the area of the entire land is reduced by integration, the entire printed circuit board 130 can be further reduced in size. That is, the branch connector 120 can be further reduced in size.

また、各雄端子５０と電気的に接続する各ランド５２が、各雄端子５０に隣接しかつ各ランド５２と直接電気的に接続していない電子部品６０との干渉を防止する形状を有しているので、各雄端子５０が隣接する電子部品６０に対してノイズの影響を与えることを防止するとともに、プリント基板１３０全体の小型化を更に図ることができる。 Each land 52 electrically connected to each male terminal 50 has a shape that prevents interference with an electronic component 60 that is adjacent to each male terminal 50 and not directly electrically connected to each land 52. Therefore, it is possible to prevent each male terminal 50 from affecting the adjacent electronic component 60 and to further reduce the size of the printed circuit board 130 as a whole.

尚、図５乃至図８において、各雄端子５０と電気的に接続する各ランド５２は、各電子部品６０の一端のランドと一体化した形状であるが、各雄端子５０と電気的に接続する各ランド５２と各電子部品６０の一端のランドとが別のランドであっても良く、電子部品６０をプリント基板１３０に実装することにより、雄端子５０と放射状伝送部４３の分岐伝送部４２との間の制御信号や情報信号等の電気信号の波形歪を抑制することができる。 5 to 8, each land 52 electrically connected to each male terminal 50 has a shape integrated with a land at one end of each electronic component 60, but is electrically connected to each male terminal 50. Each land 52 and one land of each electronic component 60 may be different lands, and the electronic component 60 is mounted on the printed circuit board 130, whereby the male terminal 50 and the branch transmission unit 42 of the radial transmission unit 43. The waveform distortion of electrical signals such as control signals and information signals between them can be suppressed.

次に、本発明の実施形態にかかる分岐コネクタ２０及び１２０と異なる別の一例である分岐コネクタ２２０について、図９乃至図１１を参照して説明する。尚、プリント基板２３０は両面基板である。 Next, a branch connector 220 which is another example different from the branch connectors 20 and 120 according to the embodiment of the present invention will be described with reference to FIGS. 9 to 11. The printed board 230 is a double-sided board.

図９は、本発明の実施形態にかかる分岐コネクタ２２０の一例の概略側面図である。また、図１０は、本発明の実施形態にかかる分岐コネクタ２２０の一例の表面側の概略平面図であり、図１１は、その分岐コネクタ２２０の裏面側の概略平面図である。 FIG. 9 is a schematic side view of an example of the branch connector 220 according to the embodiment of the present invention. FIG. 10 is a schematic plan view of the front surface side of an example of the branch connector 220 according to the embodiment of the present invention, and FIG. 11 is a schematic plan view of the rear surface side of the branch connector 220.

図５乃至図７に示した分岐コネクタ１２０と、図９乃至図１１に示した分岐コネクタ２２０との相違点について説明する。分岐コネクタ１２０は、プリント基板１３０の片面にのみ放射状伝送部４３が形成されているが、分岐コネクタ２２０は、プリント基板２３０の表面及び裏面に、それぞれ１つずつ放射状伝送部４３を形成している。 Differences between the branch connector 120 shown in FIGS. 5 to 7 and the branch connector 220 shown in FIGS. 9 to 11 will be described. In the branch connector 120, the radial transmission part 43 is formed only on one side of the printed circuit board 130, but in the branch connector 220, the radial transmission part 43 is formed on the front surface and the back surface of the printed circuit board 230 one by one. .

尚、プリント基板２３０は、プリント基板１３０の場合と同様に、各放射状伝送部４３に対して、分岐接続先毎に雄端子５０と、該雄端子５０と電気的に接続するランド５２と、スルーホールの該ランド５２の反対の端部に設けられたランド５３と、該ランド５２と放射状伝送部４３の各分岐伝送部４２とに電気的に接続される電子部品６０を備えている。また、プリント基板２３０の表面及び裏面に設けられた２つの放射状伝送部４３に対応するすべての雄端子５０は、プリント基板２３０の表面に立設している。 As in the case of the printed circuit board 130, the printed circuit board 230 has a male terminal 50 for each branch connection destination, a land 52 electrically connected to the male terminal 50, and a through hole. A land 53 provided at the opposite end of the land 52 of the hole and an electronic component 60 electrically connected to the land 52 and each branch transmission section 42 of the radial transmission section 43 are provided. Further, all the male terminals 50 corresponding to the two radial transmission portions 43 provided on the front surface and the back surface of the printed circuit board 230 are erected on the front surface of the printed circuit board 230.

プリント基板２３０の表面及び裏面に設けられた２つの放射状伝送部４３は、プリント基板２３０の表面または裏面から透視したとき、各放射状伝送部４３の分岐中心点４１は、プリント基板２３０の表面または裏面から透視したとき、重なり合うように形成されることが好ましい。 When the two radial transmission parts 43 provided on the front surface and the back surface of the printed circuit board 230 are seen through from the front surface or the back surface of the printed circuit board 230, the branch center point 41 of each radial transmission unit 43 is the front surface or the back surface of the printed circuit board 230. When seen through, it is preferably formed so as to overlap.

上記のような構成のプリント基板２３０を使用した分岐コネクタ２２０は、放射状伝送部４３が差動信号を伝送する差動伝送路である場合に特に、信頼性の高い通信を行うことができる。 The branch connector 220 using the printed circuit board 230 configured as described above can perform highly reliable communication particularly when the radial transmission unit 43 is a differential transmission path that transmits a differential signal.

次に、本発明の実施形態にかかる分岐コネクタ２０、１２０及び２２０と異なる別の一例である分岐コネクタ３２０について、図１２を参照して説明する。尚、プリント基板３３０は多層基板である。図１２は、本発明の実施形態にかかる分岐コネクタ３２０の一例の概略側面図である。 Next, a branch connector 320, which is another example different from the branch connectors 20, 120 and 220 according to the embodiment of the present invention, will be described with reference to FIG. The printed board 330 is a multilayer board. FIG. 12 is a schematic side view of an example of the branch connector 320 according to the embodiment of the present invention.

図９乃至図１１に示した分岐コネクタ２２０と、図１２に示した分岐コネクタ３２０との相違点について説明する。分岐コネクタ２２０は、プリント基板２３０の表面及び裏面にそれぞれ１つずつ放射状伝送部４３が形成されているのに対して、分岐コネクタ３２０は、２つの放射状伝送部４３を有し、プリント基板３３０を構成する複数の絶縁層の中の少なくとも１つの絶縁層を挟んで放射状伝送部４３が形成されている。また、電子部品６０がなくランド５２と放射状伝送部４３の各分岐伝送部４２とが図２乃至図４に示した場合と同様に直接電気的に接続される。 Differences between the branch connector 220 shown in FIGS. 9 to 11 and the branch connector 320 shown in FIG. 12 will be described. The branch connector 220 has two radial transmission portions 43 formed on the front surface and the back surface of the printed circuit board 230, whereas the branch connector 320 has two radial transmission portions 43, and the printed circuit board 330 is connected to the branch connector 220. A radial transmission portion 43 is formed with at least one insulating layer among a plurality of constituting insulating layers interposed therebetween. Further, the electronic component 60 is not provided, and the land 52 and each branch transmission unit 42 of the radial transmission unit 43 are directly electrically connected as in the case shown in FIGS.

図１２においては、中間の絶縁層３７０の両面に、それぞれ１つずつ放射状伝送部４３が形成されている。尚、複数の絶縁層を挟むことも可能である。その場合は、内部の導電層はその他の伝送路とすることも可能である。また、図１２においては、プリント基板３３０の内層に２つの放射状伝送部４３をともに形成しているが、２つの放射状伝送部４３の内の１つをプリント基板３３０の表面または裏面に形成しても良い。 In FIG. 12, one radial transmission portion 43 is formed on each of both surfaces of the intermediate insulating layer 370. It is also possible to sandwich a plurality of insulating layers. In that case, the internal conductive layer may be another transmission line. In FIG. 12, the two radial transmission parts 43 are formed on the inner layer of the printed circuit board 330, but one of the two radial transmission parts 43 is formed on the front surface or the back surface of the printed circuit board 330. Also good.

上記のような構成のプリント基板３３０を使用した分岐コネクタ３３０は、放射状伝送部４３が差動信号を伝送する差動伝送路である場合に特に、信頼性の高い通信を行うことができる。 The branch connector 330 using the printed circuit board 330 configured as described above can perform highly reliable communication, particularly when the radial transmission unit 43 is a differential transmission path that transmits a differential signal.

次に、バスバーを使用した本発明の実施形態にかかる分岐コネクタの一例について、図１３及び図１４を参照して説明する。 Next, an example of a branch connector according to an embodiment of the present invention using a bus bar will be described with reference to FIGS. 13 and 14.

図１３は、本発明の実施形態にかかる分岐コネクタに使用されるバスバー７０の一例の概略斜視図である。また、図１４（ａ）は、本発明の実施形態にかかる分岐コネクタに使用されるバスバー７０のロアケース１６側からの概略平面図であり、（ｂ）はバスバー７０の概略側面図である。 FIG. 13 is a schematic perspective view of an example of the bus bar 70 used in the branch connector according to the embodiment of the present invention. FIG. 14A is a schematic plan view from the lower case 16 side of the bus bar 70 used in the branch connector according to the embodiment of the present invention, and FIG. 14B is a schematic side view of the bus bar 70.

図１３及び図１４に示すように、バスバー７０は、分岐中央部１４０と、分岐接続先のそれぞれの端部を有した５つの分岐伝送部１４２と、を有する分岐伝送路である放射状伝送部１４３を備え、更に、放射状伝送部１４３の分岐伝送部１４２とそれぞれ直接電気的に接続する雄接続端子部１５０を備えている。 As shown in FIGS. 13 and 14, the bus bar 70 includes a radial transmission unit 143 that is a branch transmission line having a branch center unit 140 and five branch transmission units 142 having respective ends of branch connection destinations. And a male connection terminal portion 150 that is directly and electrically connected to the branch transmission portion 142 of the radial transmission portion 143.

放射状伝送部１４３は、分岐伝送部１４２の幅中心線１４５が、分岐中央部１４０の分岐中心点１４１から２次元放射状に分岐し、分岐中心点１４１から分岐伝送部１４２の端部１４４までの距離がすべての分岐伝送部１４２で略同一となるとともに、分岐中央部１４０と分岐伝送部１４２とが一体化して形成されている。 In the radial transmission unit 143, the width center line 145 of the branch transmission unit 142 branches two-dimensionally from the branch center point 141 of the branch center unit 140, and the distance from the branch center point 141 to the end 144 of the branch transmission unit 142. Are substantially the same in all the branch transmission units 142, and the branch center unit 140 and the branch transmission unit 142 are integrally formed.

放射状伝送部１４３は、分岐中心点１４１から分岐伝送部１４２の幅中心線１４５上の端部１４４までの距離Ｌが、すべての分岐接続先で略同一となる形状である。また、分岐中心点１４１を中心に隣り合う幅中心線１４５同士のなす角θは、略同角度であることが好ましい。また、すべての分岐接続先に対する分岐伝送部１４２の幅Ｗも略同一であることが好ましい。 The radial transmission unit 143 has a shape in which the distance L from the branch center point 141 to the end 144 on the width center line 145 of the branch transmission unit 142 is substantially the same at all branch connection destinations. Moreover, it is preferable that the angle θ formed by the width center lines 145 adjacent to each other with the branch center point 141 as the center is substantially the same angle. In addition, the width W of the branch transmission unit 142 for all branch connection destinations is preferably substantially the same.

バスバー７０は、雄接続端子部１５０が、放射状伝送部１４３の分岐伝送部１４２と一体化しおり、分岐中心点１４１から雄接続端子部１５０の端部までの伝送距離がすべての分岐接続先で略同一となるように形成されている。 In the bus bar 70, the male connection terminal portion 150 is integrated with the branch transmission portion 142 of the radial transmission portion 143, and the transmission distance from the branch center point 141 to the end of the male connection terminal portion 150 is substantially the same at all branch connection destinations. It is formed to be the same.

上述したようなバスバー７０を使用することにより、分岐伝送路である放射状伝送部１４３の分岐中心点１４１から接続端子部１５０の端部までの伝送距離が、すべての分岐接続先で略一定となるため、制御信号、情報信号等の電気信号の伝搬時間や電圧値がすべての分岐接続先で略同一となり、信頼性の高い通信を行うことができる。 By using the bus bar 70 as described above, the transmission distance from the branch center point 141 of the radial transmission unit 143 that is a branch transmission path to the end of the connection terminal unit 150 is substantially constant at all branch connection destinations. Therefore, the propagation time and voltage value of electrical signals such as control signals and information signals are substantially the same at all branch connection destinations, and highly reliable communication can be performed.

また、図１５に示すように、２つのバスバー７０（７０ａ及び７０ｂ）を互いに接触しないように２層化した構成にしても良い。即ち、バスバー７０ａ及び７０ｂの各放射状伝送部１４３ａ及び１４３ｂの面が互いに略平行で、かつ、面接触しないように２層化した構成にしても良い。このとき、放射状伝送部１４３ａの分岐中心点１４１ａと放射状伝送部１４３ｂの分岐中心点１４１ｂとは、放射面の一方から透視したとき、重なるように形成することが好ましい。また、２層化に限定されず、多層化とすることも可能である。 Further, as shown in FIG. 15, the two bus bars 70 (70a and 70b) may be configured in two layers so as not to contact each other. In other words, the radial transmission portions 143a and 143b of the bus bars 70a and 70b may be configured to have two layers so that the surfaces are substantially parallel to each other and do not come into surface contact with each other. At this time, it is preferable that the branching center point 141a of the radial transmission unit 143a and the branching center point 141b of the radial transmission unit 143b are formed so as to overlap when seen from one of the radiation surfaces. Further, the invention is not limited to the two-layer structure, and a multilayer structure is also possible.

図１５に示した２つのバスバー７０ａ及び７０ｂを使用した分岐コネクタは、放射状伝送部１４３が差動信号を伝送する差動伝送路である場合に特に、信頼性の高い通信を行うことができる。 The branch connector using the two bus bars 70a and 70b shown in FIG. 15 can perform highly reliable communication particularly when the radial transmission unit 143 is a differential transmission path that transmits a differential signal.

上述したプリント基板３０、１３０、２３０、または３３０、あるいはバスバー７０を用いた本発明の実施形態にかかる分岐コネクタは、制御信号や情報信号等の電気信号の信頼性を必要とする、車両の通信プロトコルであるＣＡＮ等を適用した車載ネットワーク通信の終端接続部として用いことにより、車載ネットワーク通信のより高い信頼性を得ることができる。 The branch connector according to the embodiment of the present invention using the printed circuit board 30, 130, 230, or 330 or the bus bar 70 described above requires the reliability of an electric signal such as a control signal or an information signal. Higher reliability of in-vehicle network communication can be obtained by using as a terminal connection part of in-vehicle network communication to which CAN or the like as a protocol is applied.

特に、次世代の自動車としてより安全性や快適性を要求されていることに伴う車両の制御システムのデータ量の増加や複雑化に対応する高速でかつ信頼性の高いネットワークを構築するための車両の通信プロトコルであるフレックスレイ（ＦｌｅｘＲａｙ）を適用した信号線の終端接続部として、本発明の実施形態にかかる分岐コネクタを用いることにより、車両の電子機器や電気機器間及び制御コントローラとの通信のより高い信頼性を得ることができる。 In particular, a vehicle for building a high-speed and highly reliable network that responds to the increase in data volume and complexity of vehicle control systems associated with demands for safety and comfort as a next-generation vehicle. By using the branch connector according to the embodiment of the present invention as a signal line terminal connection portion to which the FlexRay, which is a communication protocol of the vehicle, is applied, communication between electronic devices and electric devices of the vehicle and with the control controller is performed. Higher reliability can be obtained.

１：電線接続用コネクタ
１１：電線側コネクタ
１２：電線用単層ユニット
１３：カバー部材
１４：接続回路側コネクタ
１５：アッパーケース
１６：ロアケース
２０，１２０，２２０，３２０：分岐コネクタ
３０，１３０，２３０，３３０：プリント基板
４０：分岐中央部
４１：分岐中心点
４２：分岐伝送部
４３：放射状伝送部
４４：幅中心位置
４５：幅中心線
５０：雄端子
５１：基端部
５２，５３：ランド
６０：電子部品
６１：抵抗
６２：インダクタンス
７０、７０ａ，７０ｂ：バスバー

1: Wire connector 11: Wire side connector 12: Wire single layer unit 13: Cover member 14: Connection circuit side connector 15: Upper case 16: Lower case 20, 120, 220, 320: Branch connector 30, 130, 230 , 330: Printed circuit board 40: Branch center part 41: Branch center point 42: Branch transmission part 43: Radial transmission part 44: Width center position 45: Width center line 50: Male terminal 51: Base end part 52, 53: Land 60 : Electronic component 61: Resistance 62: Inductance 70, 70a, 70b: Bus bar

Claims

A branch connector having a branch transmission line for branch connection of an electric signal transmission line;
The branch connector has a printed circuit board in which the branch transmission path is formed on the surface, and male terminals corresponding to the branch connection destinations are erected on the surface,
The branch transmission line formed on the surface of the printed circuit board has a transmission distance from the branch center point, which is one point in the branch transmission line, to the end of the branch transmission line for each branch connection destination. Ri substantially equal der branched destination, and the distance between the branch center point of the branch transmission path for electrically connecting with the center the lands of lands electrically connected to the male terminal, all Is substantially constant with respect to the branch connection destination of
When the printed circuit board is a double-sided board and the branch transmission line is a differential transmission line that transmits a differential signal,
Two branch transmission lines are formed on the front and back surfaces of the printed circuit board one by one, and the transmission distance on the front surface of the printed circuit board that is paired for each branch connection destination and the back surface of the printed circuit board. branch connector transmission distance and said substantially constant der Rukoto.

The branch connector is mounted on the surface of the printed circuit board and electrically connected to the end of the branch transmission path corresponding to each branch connection destination and the male terminal corresponding to each branch connection destination, branch connector according to claim 1, the electronic component suppresses waveform distortion of the electrical signal between the end portion and the male terminals of the branch transmission path, characterized in that it comprises for each of the male terminals.

The land provided on the surface of the printed circuit board and electrically connected to the male terminal also serves as a land at one end of the electronic component electrically connected to the male terminal. The branch connector according to claim 2 .

The land provided on the surface of the printed circuit board and electrically connected to the male terminal prevents interference with the electronic component adjacent to the male terminal and not directly electrically connected to the land. The branch connector according to claim 2 , wherein the branch connector has a shape to be formed.

  A branch connector having a branch transmission line for branch connection of an electric signal transmission line;
  The branch connector is
  The branch transmission path is formed on the surface, and a printed circuit board on which male terminals corresponding to each of branch connection destinations are erected on the surface;
  Mounted on the surface of the printed circuit board, electrically connected to the end of the branch transmission path corresponding to each branch connection destination and the male terminal corresponding to each branch connection destination, An electronic component provided for each male terminal, which suppresses waveform distortion of an electric signal between the end and the male terminal,
Have
  The branch transmission line formed on the surface of the printed circuit board has a transmission distance from the branch center point, which is one point in the branch transmission line, to the end of the branch transmission line for each branch connection destination. The distance between the center of the land that is substantially the same at the branch connection destination and electrically connected to the male terminal and the branch center point of the branch transmission path that is electrically connected to the land is all Substantially constant with respect to the branch connection destination,
  The land provided on the surface of the printed circuit board and electrically connected to the male terminal prevents interference with the electronic component adjacent to the male terminal and not directly electrically connected to the land. A branch connector characterized by having a shape to

The land provided on the surface of the printed circuit board and electrically connected to the male terminal also serves as a land at one end of the electronic component electrically connected to the male terminal. The branch connector according to claim 5.

A branch connector having a branch transmission line for branch connection of an electric signal transmission line;
The branch connector is formed on the surface and / or the inner layer when the branch transmission line is a multilayer board, and has a printed board on which male terminals corresponding to each branch connection destination are erected on the surface,
The branch transmission line formed on the surface of the printed circuit board and / or the inner layer in the case of a multilayer board is an end of the branch transmission line for each branch connection destination from a branch center point which is one point in the branch transmission line. And the branch center point of the branch transmission path that is electrically connected to the land and the center of the land that is electrically connected to the male terminal, and the transmission distance to the portion is substantially the same at all the branch connection destinations. Is substantially constant for all the branch connection destinations,
When the printed circuit board is a multilayer board and the branch transmission line is a differential transmission line that transmits a differential signal,
The printed circuit board is formed by sandwiching at least one insulating layer of the printed circuit board, one each of the two branch transmission lines, and the transmission distance of a pair for each branch connection destination is substantially constant. branch connector it said that there.

The branch transmission line includes a radial transmission unit having an end corresponding to each of the branch connection destinations,
The radial transmission unit is:
A branch center having the branch center;
A branch transmission unit formed integrally with the branch central part and having an end corresponding to each of the branch connection destinations;
With
In the radial transmission unit, a width center line of the branch transmission unit branches in a two-dimensional radial manner from the branch center point of the branch center unit, and a transmission distance from the branch center point to an end of the branch transmission unit is The branch according to any one of claims 1 to 7 , wherein all of the branch connection destinations are substantially the same, and the branch central part and the branch transmission part are integrally formed. connector.

The radial transmission unit, according to claim 8, characterized in that the angle of the width center line of the branch transmission portion adjacent to the center of the branch center point is formed in a substantially such that the angle Branch connector.

The branch connector according to any one of claims 1 to 9 , wherein the branch connector is used as a terminal connection part for in-vehicle network communication.