WO2011010621A1 - 同軸ケーブルハーネス - Google Patents

同軸ケーブルハーネス Download PDF

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Publication number
WO2011010621A1
WO2011010621A1 PCT/JP2010/062112 JP2010062112W WO2011010621A1 WO 2011010621 A1 WO2011010621 A1 WO 2011010621A1 JP 2010062112 W JP2010062112 W JP 2010062112W WO 2011010621 A1 WO2011010621 A1 WO 2011010621A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal line
coaxial cable
cable harness
coaxial
ground
Prior art date
Application number
PCT/JP2010/062112
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
崇樹 遠藤
Original Assignee
住友電気工業株式会社
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 住友電気工業株式会社 filed Critical 住友電気工業株式会社
Priority to CN2010800021474A priority Critical patent/CN102099873B/zh
Priority to KR1020117001440A priority patent/KR101678234B1/ko
Publication of WO2011010621A1 publication Critical patent/WO2011010621A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
    • H01B11/20—Cables having a multiplicity of coaxial lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0045—Cable-harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H01B7/0892—Flat or ribbon cables incorporated in a cable of non-flat configuration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0515—Connection to a rigid planar substrate, e.g. printed circuit board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0524—Connection to outer conductor by action of a clamping member, e.g. screw fastening means

Definitions

  • the present invention relates to a coaxial cable harness in which a plurality of coaxial cables are connected to a relay board.
  • connection fixation to the board, to the connector board arranged by alternately shifting the circuit pattern connected to the core wire and the shield part on the front and back facing surfaces, the unit cable from the end, for example, the front side of the connector board, It is known to alternately connect in the order of the back side, the front side, and the back side (see, for example, Patent Document 1).
  • an object of the present invention is to provide a coaxial cable harness that uses an electric wire having a diameter larger than the pitch of each wire of the connector portion and ensures good electrical characteristics.
  • the coaxial cable harness according to the present invention that can solve the above-mentioned problems is a center conductor, an inner insulator disposed on the outer periphery of the center conductor, an outer conductor disposed on the outer periphery of the inner insulator, and the outer
  • a coaxial cable harness comprising a plurality of coaxial cables having a jacket disposed on the outer periphery of a conductor, and a relay board to which at least one end of the coaxial cable is connected,
  • a plurality of the coaxial cables are connected to the front and back surfaces of the relay substrate,
  • the front and back surfaces of the relay substrate are arranged at a predetermined pitch and a plurality of signal line portions to which the central conductor is connected, a ground portion to which the outer conductor is connected, and between the ground portion and the signal line portion.
  • a guard ground portion extending to The arrangement position of the signal line part is shifted by a half pitch between the front and back of the relay board, the guard ground part is disposed on the opposite side of the signal line part in each connection surface,
  • the signal line portions are arranged at one end of the relay substrate at the predetermined pitch on the surface of the relay substrate, and a plurality of contacts that can be electrically connected to connector terminals are arranged between the signal line portions, and the relay The signal line portion on the back surface of the substrate is electrically connected to the contact through a through hole.
  • connection position of the center conductor in the signal line portion on the back surface of the relay board, is greater than the connection position of the center conductor on the surface of the relay board by the length of the through hole. It is preferable to be close to the through hole.
  • a plurality of coaxial cables can be connected to the front and back surfaces of the relay board. Since the guard ground portion is disposed between the signal line portions on the front and back sides of the relay substrate, electrical interference such as crosstalk between adjacent signal line portions can be suppressed. Further, the central conductor of the coaxial cable can be made thicker by the guard ground portion. That is, a coaxial cable harness that uses electric wires with a diameter larger than the pitch of each line of the connector portion and that ensures good electrical characteristics can be obtained.
  • FIG. 3A and 3B are cross-sectional views showing one end side of the coaxial cable harness according to the present invention, wherein FIG. 3A is a cross-sectional view taken along line AA in FIG. 3A, and FIG. 3B is a cross-sectional view taken along line BB in FIG. .
  • the coaxial cable harness according to the present invention may take various forms, such as when both ends are connected to the relay board, or when only one end is connected to the relay board and the other end is attached with a connector. A configuration in which one end side is connected to the relay board will be described.
  • the coaxial cable 11 constituting the coaxial cable harness includes a center conductor 12, an inner insulator 13 disposed on the outer periphery of the center conductor 12, and an outer conductor disposed on the outer periphery of the inner insulator 13. 14 and an outer sheath 14 disposed on the outer periphery of the outer conductor 14, and these are arranged coaxially.
  • the coaxial cable 11 for example, a cable thinner than the AWG 32 according to the standard of AWG (American Wire Gauge) is used.
  • the central conductor 12 is formed by twisting seven strands 12a of a tin-plated copper alloy or a silver-plated copper alloy having an outer diameter of 0.025 mm.
  • the internal insulator 13 is made of a fluororesin such as PFA, which covers the outer peripheral surface of the center conductor 12, and has an outer diameter of 0.17 mm.
  • the outer conductor 14 is formed to have an outer diameter of 0.23 mm by winding, for example, a tin-plated copper alloy wire 14 a having an outer diameter of 0.03 mm around the outer peripheral surface of the inner insulator 13 by lateral winding or braiding.
  • the outer jacket 15 is made of a fluororesin such as PFA for covering the outer peripheral surface of the outer conductor 14, and is formed to have an outer diameter of 0.31 mm in the case of AWG40 and about 1.0 mm in the case of AWG32. Yes.
  • the end portion of the coaxial cable 11 constituting the coaxial cable harness 10 is subjected to lead processing, and the center conductor 12, the inner insulator 13, and the outer conductor 14 are arranged in order from the tip side. A predetermined length is exposed stepwise.
  • the coaxial cable 11 is an aggregate arranged in a planar shape so that the coaxial cable 11 can be easily connected to the relay substrate 21 at the end, but may be bundled except at the end.
  • the front surface and the back surface of the relay substrate 21 are formed as connection surfaces 31 and 41, respectively, and a plurality of coaxial cables 11 are connected to the connection surfaces 31 and 41, respectively.
  • the relay substrate 21 is configured by, for example, a flexible substrate or a hard substrate having a wiring pattern such as a metal foil.
  • a signal line portion 32 that forms a plurality of strip-like wiring patterns at a predetermined parallel pitch P is formed on the connection surface 31 on the front surface side.
  • Each of the signal line portions 32 is formed to extend to the front end portion (front end in the connection direction) of the relay substrate 21, and the front end portion serves as a contact 32a.
  • the arrangement pitch P of the signal line portions 32 is preferably 0.3 mm or greater and 1.0 mm or less, for example.
  • the ground pattern 33 includes a ground portion 34 extending in the width direction on the rear end side from the signal line portion 32, and a plurality of belt-like shapes extending from the ground portion 34 toward the tip of the relay substrate 21 between the signal line portions 32. And a guard ground portion 35.
  • the guard ground portions 35 are also arranged at a predetermined pitch P in the width direction of the relay substrate 21.
  • the signal line portions 32 and the guard ground portions 35 are alternately arranged in the width direction with a slight gap therebetween.
  • connection surface 31 is provided with a contact 36 on the tip side of each guard ground portion 35 with a gap from the guard ground portion 35.
  • the contact 36 is electrically connected to the signal line portion 42 formed on the connection surface 41 on the back surface side through the through hole 37.
  • These contact points 36 are also arranged at a predetermined pitch P in the width direction of the relay substrate 21.
  • the coaxial cable 11 connected to the connection surface 31 is arranged at a predetermined pitch P in the width direction of the relay substrate 21, and the outer conductor 14 is arranged to connect to the ground portion 34.
  • the center conductor 12 of each coaxial cable 11 is soldered and connected to the rear end side of each signal line portion 32.
  • the connection between the signal line portion 32 and the central conductor 12 may be fixed by a conductive adhesive or the like instead of solder.
  • a ground bar 38 is attached to the connection surface 31 via the outer conductor 14 of the coaxial cable 11.
  • the outer conductor 14 of the coaxial cable 11 is sandwiched between the ground bar 38 and the relay substrate 21.
  • connection surface 41 on the back side is formed with signal line portions 42 that form a plurality of strip-like wiring patterns at a predetermined pitch P.
  • Each of the signal line portions 42 is formed to extend to the vicinity of the front end portion (front end in the connection direction) of the relay substrate 21, and the front end portion is electrically connected to the contact 36 on the connection surface 31 by the through hole 37.
  • a ground pattern 43 is formed on the connection surface 41.
  • the ground pattern 43 includes a ground portion 44 extending in the width direction on the rear end side from the signal line portion 42 and a plurality of strips extending from the ground portion 44 to the front end portion of the relay substrate 21 between the signal line portions 42.
  • the guard ground portions 45 are also arranged at a predetermined pitch P in the width direction of the relay substrate 21.
  • the signal line portions 42 and the guard ground portions 45 are alternately arranged in the width direction with a slight gap therebetween.
  • the coaxial cable 11 connected to the connection surface 41 is arranged at a predetermined pitch P in the width direction of the relay substrate 21, and the outer conductor 14 is arranged to connect to the ground portion 44.
  • the central conductor 12 of each coaxial cable 11 is soldered and connected to the rear end side of each signal line portion 42.
  • the connection between the signal line portion 42 and the central conductor 12 may be fixed by a conductive adhesive or the like instead of solder.
  • a ground bar 48 is attached to the connection surface 41 via the outer conductor 14 of the coaxial cable 11.
  • the outer conductor 14 of the coaxial cable 11 is sandwiched between the ground bar 48 and the relay substrate 21.
  • the guard ground portion 45 of the connection surface 41 is disposed on the back surface side of the signal line portion 32 of the connection surface 31. Further, the guard ground portion 35 of the connection surface 31 is disposed on the back surface side of the signal line portion 42 of the connection surface 41. Further, in the relay board 21 configured as described above, the coaxial cable 11 connected to the connection surface 31 and the coaxial cable 11 connected to the connection surface 41 are each half pitch (P / 2) in the width direction of the relay board 21. They are shifted and arranged alternately.
  • connection position B of the central conductor to the signal line portion 42 of the connection surface 41 is set to the plate thickness T of the relay substrate 21 with respect to the connection position A of the central conductor 12 to the signal line portion 32 of the connection surface 31.
  • the corresponding dimension X is the front side of the relay board 21. Therefore, the distance of the energization path from the connection position A to the contact 32a and the distance of the energization path from the connection position B to the contact 36 are the same distance.
  • the relay board 21 is connected to the receptacle of the connector provided on the circuit board of an electronic device or the like by inserting it from the front end side.
  • the contacts 32a and 36 of the relay substrate 21 are brought into conductive contact with the terminals on the receptacle side, and are conducted with the wiring on the circuit board side on which the receptacle is provided.
  • connection direction to the circuit board may be either a direction orthogonal to the surface of the circuit board or a direction along the surface of the circuit board.
  • the coaxial cable harness 10 has an L-shaped structure in which the connection positions of the coaxial cables 11 on the relay board 21 are along the longitudinal direction of the coaxial cable 11, but the connection positions of the coaxial cables 11 on the relay board 21 are A T-shaped structure orthogonal to the longitudinal direction of the coaxial cable 11 may be used.
  • the front and back surfaces of the relay substrate 21 are formed as connection surfaces 31 and 41 to which a plurality of coaxial cables 11 can be connected.
  • the pitch of each line of the connector portion is a pitch P / 2 between the contact 32a of the signal line portion 32 and the contact 36 adjacent thereto (the contact of the signal line portion 42 on the back surface), but the outer diameter of the coaxial cable 11 is made larger than that. Can be thick.
  • guard ground portions 35 and 45 are disposed, electrical interference such as crosstalk between the adjacent signal line portions 32 and 42 can be suppressed. Further, the guard ground portions 35 and 45 connected to the outer conductor 14 of the coaxial cable 11 via the ground portions 34 and 44 have a function as a wiring for a return path connected to the outer conductor 14 of the coaxial cable 11. Can be made.
  • the arrangement of the signal line portions 32 and 42 of the respective connection surfaces 31 and 41 is shifted by a half pitch of the pitch P on the front and back sides, and is opposite to the back side of the signal line portions 32 and 42 of the respective connection surfaces 31 and 41. Since the guard ground portions 45 and 35 of the surface-side connection surfaces 41 and 31 are arranged, electrical interference such as crosstalk between the front and back signal line portions 32 and 42 can be suppressed. Further, the arrangement pitch of the coaxial cables 11 on the connection surfaces 31 and 41 can be increased to about twice that of the contacts 32a and 36 without changing the pitch of the contacts 32a and 36. As a result, the coaxial cable 11 having a large diameter central conductor 12 can be used. That is, a thick conductor can be used as the central conductor 12 of the coaxial cable 11 while achieving high-density mounting, and electrical characteristics such as transmission characteristics and noise characteristics can be greatly improved.
  • a plurality of contacts 32a and 36 that can be electrically connected to the connector terminals are arranged on one connection surface 31, and part of the signal line portion 32 of one connection surface 31 is a contact 32a, and the other connection is made. Since the signal line portion 42 of the surface 41 is electrically connected to the contact 36 through the through hole 37, the signal line portion 42 can be wired from one connection surface 31 side of the relay substrate 21, and the connection structure with the connector can be simplified. Can be planned. In addition, since the distances of the energization paths between the connection positions A and B of the central conductor 12 to the signal line portions 32 and 42 and the contacts 32a and 36 are the same distances on the connection surfaces 31 and 41, respectively. Generation of signal delay time between the coaxial cables 11 connected to the connection surfaces 31 and 41 can be prevented. Thus, according to the coaxial cable harness 10, high-density mounting can be realized while ensuring good electrical characteristics.
  • ground bars 38, 48 In order to align and fix the coaxial cables 11, it is preferable to provide the ground bars 38, 48. However, if the coaxial cable 11 can be satisfactorily fixed without the ground bars 38, 48, the ground bars 38, 48 are provided. It is not necessary.

Landscapes

  • Insulated Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Communication Cables (AREA)
PCT/JP2010/062112 2009-07-21 2010-07-16 同軸ケーブルハーネス WO2011010621A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2010800021474A CN102099873B (zh) 2009-07-21 2010-07-16 同轴电缆束
KR1020117001440A KR101678234B1 (ko) 2009-07-21 2010-07-16 동축 케이블 하네스

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009169931A JP5365389B2 (ja) 2009-07-21 2009-07-21 同軸ケーブルハーネス
JP2009-169931 2009-07-21

Publications (1)

Publication Number Publication Date
WO2011010621A1 true WO2011010621A1 (ja) 2011-01-27

Family

ID=43499094

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/062112 WO2011010621A1 (ja) 2009-07-21 2010-07-16 同軸ケーブルハーネス

Country Status (5)

Country Link
JP (1) JP5365389B2 (zh)
KR (1) KR101678234B1 (zh)
CN (1) CN102099873B (zh)
TW (1) TWI390809B (zh)
WO (1) WO2011010621A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102760518A (zh) * 2011-04-25 2012-10-31 住友电气工业株式会社 多层同轴电缆束及其制造方法
JP2013201126A (ja) * 2013-02-27 2013-10-03 Toshiba Corp 配線基板と同軸ケーブルとの接続構造、配線基板と同軸ケーブルとの接続方法
JP2016110715A (ja) * 2014-12-02 2016-06-20 住友電気工業株式会社 ケーブル端末構造
EP3176877A1 (en) * 2015-12-02 2017-06-07 Alcatel- Lucent Shanghai Bell Co., Ltd A radiofrequency cable connector

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013026181A (ja) * 2011-07-26 2013-02-04 Sumitomo Electric Ind Ltd 細径ケーブルハーネス
JP5794142B2 (ja) * 2011-12-27 2015-10-14 日立金属株式会社 接続構造、接続方法及び差動信号伝送用ケーブル
JP2013225475A (ja) 2012-03-19 2013-10-31 Fujitsu Component Ltd コンタクト、コネクタ、及びその製造方法
JP5904107B2 (ja) * 2012-11-30 2016-04-13 日立金属株式会社 ケーブルコネクタおよびケーブルアッセンブリならびにケーブルアッセンブリの製造方法
JP5690455B1 (ja) * 2013-04-16 2015-03-25 オリンパスメディカルシステムズ株式会社 基板接続構造
WO2014199897A1 (ja) * 2013-06-10 2014-12-18 オリンパス株式会社 ケーブル接続構造
CN103647127B (zh) * 2013-12-09 2017-02-01 上海贝尔股份有限公司 用于将同轴电缆耦接至带状线的连接器
KR101423286B1 (ko) * 2014-02-13 2014-07-24 주식회사 에이치에스씨 유에스비 커넥터
JP5860917B2 (ja) 2014-04-08 2016-02-16 日本航空電子工業株式会社 プリント配線板
CN105098400B (zh) * 2014-04-30 2018-05-04 富士康(昆山)电脑接插件有限公司 线缆连接器组件及其制造方法
JP2016018628A (ja) * 2014-07-07 2016-02-01 住友電気工業株式会社 信号伝送用ケーブル
TWM574807U (zh) 2018-11-28 2019-02-21 榮晶生物科技股份有限公司 線材焊接結構
KR20230000024A (ko) * 2021-06-23 2023-01-02 삼원액트 주식회사 고 내굴곡성 케이블하네스

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001015187A (ja) * 1999-06-30 2001-01-19 Japan Aviation Electronics Industry Ltd 同軸ケーブルコネクタ
JP2005025971A (ja) * 2003-06-30 2005-01-27 Yoshiki Electronics Industrial Co Ltd コネクタ基板付き多芯ケーブルの製造方法およびコネクタ基板付き多芯ケーブル

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101118792B (zh) * 2006-07-31 2011-07-13 住友电气工业株式会社 同轴电缆组件和制造方法
JP2009170141A (ja) * 2008-01-11 2009-07-30 Sumitomo Electric Ind Ltd 同軸ケーブルハーネスの接続構造

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001015187A (ja) * 1999-06-30 2001-01-19 Japan Aviation Electronics Industry Ltd 同軸ケーブルコネクタ
JP2005025971A (ja) * 2003-06-30 2005-01-27 Yoshiki Electronics Industrial Co Ltd コネクタ基板付き多芯ケーブルの製造方法およびコネクタ基板付き多芯ケーブル

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102760518A (zh) * 2011-04-25 2012-10-31 住友电气工业株式会社 多层同轴电缆束及其制造方法
CN102760518B (zh) * 2011-04-25 2015-09-30 住友电气工业株式会社 多层同轴电缆束及其制造方法
JP2013201126A (ja) * 2013-02-27 2013-10-03 Toshiba Corp 配線基板と同軸ケーブルとの接続構造、配線基板と同軸ケーブルとの接続方法
JP2016110715A (ja) * 2014-12-02 2016-06-20 住友電気工業株式会社 ケーブル端末構造
EP3176877A1 (en) * 2015-12-02 2017-06-07 Alcatel- Lucent Shanghai Bell Co., Ltd A radiofrequency cable connector

Also Published As

Publication number Publication date
KR20120053982A (ko) 2012-05-29
CN102099873A (zh) 2011-06-15
TWI390809B (zh) 2013-03-21
JP5365389B2 (ja) 2013-12-11
KR101678234B1 (ko) 2016-11-21
CN102099873B (zh) 2012-11-14
TW201112549A (en) 2011-04-01
JP2011023319A (ja) 2011-02-03

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