WO2012111938A2 - 스트립라인 연결 장치 - Google Patents
스트립라인 연결 장치 Download PDFInfo
- Publication number
- WO2012111938A2 WO2012111938A2 PCT/KR2012/000947 KR2012000947W WO2012111938A2 WO 2012111938 A2 WO2012111938 A2 WO 2012111938A2 KR 2012000947 W KR2012000947 W KR 2012000947W WO 2012111938 A2 WO2012111938 A2 WO 2012111938A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stripline
- coupling member
- striplines
- conductor
- present
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
- H01P3/08—Microstrips; Strip lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
- H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
- H01P5/028—Transitions between lines of the same kind and shape, but with different dimensions between strip lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
Definitions
- the present invention relates in particular to a structure of a stripline suitable for being employed as a transmission line in an antenna for a mobile communication base station, and more particularly, to a connection device between striplines.
- RF radio frequency
- Coaxial cable is widely used in other technical fields as a transmission line, and is still widely used as an RF transmission line.
- a method using a stripline as an RF transmission line has been gradually adopted for cost reduction.
- a plurality of striplines are individually designed to implement the transmission lines of the entire apparatus, and a portion that needs to be connected to each other occurs.
- the soldering method was generally used to connect the strip lines.
- Laser welding which does not require plating, may be used, but this method also reduces equipment investment costs and work efficiency.
- the PIMD Passive Inter-Modulation Distortion
- the above welding method is vulnerable to corrosion and the PIMD characteristics are also degraded as the corrosion progresses.
- an object of the present invention is to provide a stripline connection structure for simpler, lower cost connection of the stripline, and to prevent signal degradation.
- the present invention is an apparatus for transmitting a signal between at least a pair of strip lines
- a coupling member for transmitting a signal in coupling to each strip line between the pair of strip lines;
- the coupling member includes a conductor facing each of the strip lines facing each of the strip lines, and spacing means installed to maintain a constant distance between the conductor and each strip line.
- the gap maintaining means is an insulating film formed on the conductor with a constant thickness.
- the coupling member is a printed circuit board
- the conductor is a conductive pattern formed on the printed circuit board
- the spacing means is an insulating film formed on the pattern with a uniform thickness.
- the insulating film is characterized in that the polyamide material.
- the conductor is an anodized aluminum plate
- the insulating film is characterized in that the anodizing oxide film of the aluminum plate.
- At least one through-hole is formed in the coupling member and each strip line, and the rivet of an insulating material is fastened through the through-hole so that the coupling member and each strip line are fixed. It is done.
- it further comprises at least one fixing clip for fixing the coupling member and each stripline.
- the stripline connection structure according to the present invention is simpler, the stripline can be connected at low cost, and signal degradation can be prevented.
- FIG. 1 is a perspective view showing an example of a stripline connecting portion employing a stripline connecting device according to an embodiment of the present invention
- FIG. 2 is a perspective view of a stripline connecting device according to an embodiment of the present invention.
- Figure 3 is a side cross-sectional view of the stripline connecting device according to an embodiment of the present invention.
- FIG. 4 is a side cross-sectional view of a structure for fixing a stripline and a coupling member in a stripline connecting device according to another embodiment of the present invention
- FIG. 5 is a side cross-sectional view of a stripline connecting device according to another embodiment of the present invention.
- FIG. 1 is a perspective view illustrating an example of a stripline connection portion employing a stripline connection device according to an embodiment of the present invention, for example, a case in which the present invention is applied to a mobile communication base station antenna.
- the stripline connecting device according to the present invention first of two striplines 21a and 21b in a mechanically discontinuous section A and B of two striplines 21a and 21b to be connected.
- the parts to be connected are formed to face each other at appropriately spaced distances from each other.
- the ground plate is connected to an accessory device 2 (for example, a phase shifter, etc.) in which a transmission line is formed in a stripline, or as shown in section B.
- an accessory device 2 for example, a phase shifter, etc.
- a discontinuous section inevitably occurs in the strip line.
- the two striplines 21a and 21b are to be connected.
- Couplings are formed according to the characteristics of the present invention to be formed in accordance with the features of the present invention to be formed so as to face each other at an appropriately spaced distance from each other, and then to the portions of the two striplines (21a, 21b) formed facing each other such a spaced distance
- the members (30 in FIG. 2) are used to transmit signals to each other in a non-contact coupling manner.
- the separation distance between the ends of the two strip lines 21a and 21b to be connected is appropriately set to a distance that does not touch each other during expansion of the strip line by external impact or temperature, and electrical characteristics are important in setting the separation distance. Don't consider it.
- FIG. 2 is a perspective view of a stripline connecting device according to an embodiment of the present invention
- Figure 3 is a side cross-sectional view of the stripline connecting device according to an embodiment of the present invention, the device shown in Figs. It can be regarded as being installed on the antenna reflector 1 shown in FIG. 2 and 3, the stripline connecting device according to the present invention is installed between at least one pair of striplines 21a and 21b to be connected to the coupling member 30 for transmitting signals in a non-contact coupling manner. ).
- the coupling member 30 transmits a signal in a non-contact coupling manner to one end of one of the two striplines 21a and 21b to which one end is to be connected, and the two striplines 21a to be connected to the other end.
- a conductor 32 which transmits a signal in a non-contact coupling manner to the other end of the other end of the present invention, 21b
- a space keeping means 33 which is installed to maintain a constant distance between the conductor 32 and each strip line. It may be installed to cover both ends of the two strip lines (21a, 21b).
- the coupling member 30 is fixedly installed at both ends of the two strip lines 21a and 21b.
- the coupling member 30 and each of the strip lines 21a and 21b have at least one through-hole communicating therewith.
- the rivet 41 of the insulating material may be fastened through the above formation.
- a plurality of through holes 311 are formed at one end and the other end of the coupling member 30 at both ends, and through holes of the coupling member 30 at both ends of the two strip lines 21a and 21b.
- a through hole 211 having a size corresponding to a position corresponding to 311 is formed.
- a rivet 41 of a plastic material of a corresponding size is fastened and coupled.
- the ring member 30 is installed to be fixed to the two strip lines 21a and 21b.
- the striplines 21a, 21b are connected to the ground plate 1 (ie, antenna reflector, for example). It may be implemented as a strip plate having a thickness of 1 mm and a width of 8.6 mm having an impedance value of 50 ⁇ in an air space 2 mm apart from the height d.
- the ground plate 1 ie, antenna reflector, for example. It may be implemented as a strip plate having a thickness of 1 mm and a width of 8.6 mm having an impedance value of 50 ⁇ in an air space 2 mm apart from the height d.
- the design structure and impedance including the distance (height) between the strip lines 21a and 21b and the ground plate 1, are considered very precisely and carefully, and thus, the strip lines 21a and 21b
- spacers 111 of a suitable structure and material are provided therebetween.
- Coupling member 30 may be implemented as a PCB (Print Circuit Board) structure as a whole, as shown in Figure 3, the conductor 32 may be a conductive pattern formed on the PCB, the spacing means 33 It may be an insulating film formed on the conductive pattern (the lower surface on the drawing) with a uniform thickness.
- This coupling member 30 also has a PCB dielectric plate 31 formed on the (on the drawing) upper surface of the conductor 32 to maintain the shape of the coupling member 30.
- the conductor 32 of the coupling member 30 maintains a constant distance from the stripline by the insulating film 33.
- the general method for insulating the PCB copper plate is a method using a PSR (Photo Solder Resist), but because the PSR film is not a constant thickness, the present invention to maintain a constant insulation gap and to withstand high temperature heat that may occur in the stripline
- the insulating film 33 is formed by pressing a polyamide film at a high temperature.
- the non-contact coupling between the coupling member 30 and the stripline is designed in consideration of various factors so that a minimum loss (VSWR, Coupling loss) occurs.
- the coupling section may be designed to be 20 mm
- the dielectric constant of the PCB dielectric plate 31 is 4.1
- the thickness of the PCB dielectric plate 31 is 0.8 mm
- the thickness of the insulating film 33 of the polyamide film may be designed to 0.028 mm.
- the two striplines may be connected in a non-contact coupling manner. Meanwhile, the ends of the two striplines may overlap each other and overlap each other.
- an insulating film is formed at a portion to transmit a signal to each other through a non-contact coupling method.
- such a structure is undesirable because the height of at least one of the overlapping striplines is changed in an undesired direction compared to the ground plane, which adversely affects the transmission signal.
- the fixing mechanism 50 for fixing the coupling member 30 and the stripline 21a includes the coupling member 30, the stripline 21a, It is installed between the ground plate 1 and the strip line 21a in the form of being fitted to the male screw structure 51 and the male screw structure 51 installed through the holes formed to correspond to each other in the ground plate 1 to serve as a spacer.
- the ring structure 53 and the female screw structure 52 coupled to the thread of the male screw structure 51 at the rear surface of the ground plate (1).
- a structure may be considered that uses a fixing clip in the form of picking up a stripline corresponding to the coupling member, or fixes through bonding or the like.
- a stripline connection structure according to an embodiment of the present invention may be implemented. Meanwhile, in the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. have. For example, in the above embodiment, a structure for connecting two strip lines has been described, but in addition to the T-shaped coupling member, a structure for connecting three strip lines may be implemented. By using a coupling member according to the structure to connect the two stripline in the T-shape can also be implemented.
- the coupling member has been described as having a PCB substrate structure.
- the conductor of the coupling member 30 ' is anodized.
- a conductive metal plate for example, an aluminum plate 62 may be used, and the insulating layer may be implemented as an anodizing oxide layer 63 of the aluminum plate.
- the conductive metal plate may be implemented not only with pure aluminum but also with a material such as aluminum alloy, magnesium, and tin.
Landscapes
- Waveguide Connection Structure (AREA)
- Near-Field Transmission Systems (AREA)
- Structure Of Printed Boards (AREA)
- Waveguides (AREA)
- Details Of Aerials (AREA)
- Aerials With Secondary Devices (AREA)
- Cable Accessories (AREA)
Abstract
Description
Claims (7)
- 적어도 한 쌍의 스트립라인간에 신호를 전달하기 위한 스트립라인 연결 장치에 있어서,상기 한 쌍의 스트립라인사이에서 각 스트립라인에 비접촉식 커플링으로 신호를 전달하기 위한 커플링 부재를 포함하고;상기 커플링 부재는,양 단부가 각각 상기 각 스트립라인과 마주보는 전도체와,상기 전도체와 각 스트립라인이 일정한 간격을 유지하도록 설치되는 간격 유지수단을 포함하는 것을 특징으로 하는 스트립라인 연결 장치.
- 제1항에 있어서,상기 간격 유지 수단은,일정한 두께로 상기 전도체상에 형성된 절연막인 것을 특징으로 하는 스트립라인 연결 장치.
- 제1항에 있어서,상기 커플링 부재는 인쇄회로기판이고,상기 전도체는 상기 인쇄회로기판에 형성된 도전성 패턴이며,상기 간격유지수단은 상기 패턴상에 균일한 두께로 형성되는 절연막인 것을 특징으로 하는 스트립라인 연결 장치.
- 제2항 또는 제3항에 있어서,상기 절연막은,폴리 아미드 재질인 것을 특징으로 하는 스트립라인 연결 장치.
- 제2항에 있어서,상기 전도체는 아노다이징된 전도성 금속판이고,상기 절연막은 상기 전도성 금속판의 아노다이징 산화막인 것을 특징으로 하는 스트립라인 연결 장치.
- 제1항에 있어서상기 커플링 부재 및 각 스트립라인에는,상호 통하는 관통홀이 적어도 하나 이상 형성되어 있고,상기 커플링 부재와 각 스트립 라인이 고정되도록 상기 관통홀을 통해 절연재질의 리벳이 체결됨을 특징으로 하는 스트립라인 연결 장치.
- 제1항에 있어서,상기 커플링 부재와 각 스트립라인을 고정하기 위한 적어도 하나 이상의 고정클립을 더 포함하는 것을 특징으로 하는 스트립라인 연결 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12746529.2A EP2677595A2 (en) | 2011-02-14 | 2012-02-09 | Stripline connection apparatus |
JP2013553358A JP2014509492A (ja) | 2011-02-14 | 2012-02-09 | ストリップライン接続装置 |
CN2012800088100A CN103380536A (zh) | 2011-02-14 | 2012-02-09 | 带状线路连接设备 |
US13/984,606 US20130321105A1 (en) | 2011-02-14 | 2012-02-09 | Stripline connection apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20110013031 | 2011-02-14 | ||
KR10-2011-0013031 | 2011-02-14 | ||
KR10-2011-0032366 | 2011-04-07 | ||
KR1020110032366A KR20120093035A (ko) | 2011-02-14 | 2011-04-07 | 스트립라인 연결 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012111938A2 true WO2012111938A2 (ko) | 2012-08-23 |
WO2012111938A3 WO2012111938A3 (ko) | 2012-11-29 |
Family
ID=46884791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/000947 WO2012111938A2 (ko) | 2011-02-14 | 2012-02-09 | 스트립라인 연결 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130321105A1 (ko) |
EP (1) | EP2677595A2 (ko) |
JP (1) | JP2014509492A (ko) |
KR (1) | KR20120093035A (ko) |
CN (1) | CN103380536A (ko) |
WO (1) | WO2012111938A2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3229311A1 (en) | 2016-04-04 | 2017-10-11 | Huawei Technologies Co., Ltd. | Conductor coupling apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101328330B1 (ko) * | 2012-10-29 | 2013-11-11 | 주식회사 에이스테크놀로지 | Rf 장비의 커버 결합 방법 그 방법을 통해 제조되는 rf 장비 |
Family Cites Families (14)
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US4829309A (en) * | 1986-08-14 | 1989-05-09 | Matsushita Electric Works, Ltd. | Planar antenna |
US5093640A (en) * | 1989-09-29 | 1992-03-03 | Hewlett-Packard Company | Microstrip structure having contact pad compensation |
JPH06268416A (ja) * | 1993-03-16 | 1994-09-22 | Nec Corp | インピーダンス調整回路 |
JP3121536B2 (ja) * | 1996-01-31 | 2001-01-09 | 電気興業株式会社 | 非接触形結合回路 |
JPH09321505A (ja) * | 1996-05-30 | 1997-12-12 | Oki Electric Ind Co Ltd | マイクロ波回路 |
JPH1097952A (ja) * | 1996-09-24 | 1998-04-14 | Oki Electric Ind Co Ltd | コンデンサーの製造方法及びこれを適用したコンデンサー付き配線基板 |
JP3279505B2 (ja) * | 1997-05-20 | 2002-04-30 | 池上通信機株式会社 | 基板延長装置 |
JP2001230606A (ja) * | 2000-02-15 | 2001-08-24 | Matsushita Electric Ind Co Ltd | マイクロストリップ線路と、これを用いたマイクロ波装置 |
US6753814B2 (en) * | 2002-06-27 | 2004-06-22 | Harris Corporation | Dipole arrangements using dielectric substrates of meta-materials |
US8134084B2 (en) * | 2006-06-30 | 2012-03-13 | Shin-Etsu Polymer Co., Ltd. | Noise-suppressing wiring-member and printed wiring board |
JP4835334B2 (ja) * | 2006-09-06 | 2011-12-14 | 国立大学法人徳島大学 | 高周波信号伝送装置 |
JP5061820B2 (ja) * | 2007-09-26 | 2012-10-31 | 凸版印刷株式会社 | 非接触icラベル |
KR20100077921A (ko) * | 2008-12-29 | 2010-07-08 | 엘지노텔 주식회사 | 마이크로스트립라인 안테나 |
CN101707290B (zh) * | 2009-07-11 | 2013-03-20 | 广东通宇通讯股份有限公司 | 一种耦合式空气传输天线结构 |
-
2011
- 2011-04-07 KR KR1020110032366A patent/KR20120093035A/ko not_active Application Discontinuation
-
2012
- 2012-02-09 CN CN2012800088100A patent/CN103380536A/zh active Pending
- 2012-02-09 JP JP2013553358A patent/JP2014509492A/ja active Pending
- 2012-02-09 EP EP12746529.2A patent/EP2677595A2/en not_active Withdrawn
- 2012-02-09 WO PCT/KR2012/000947 patent/WO2012111938A2/ko active Application Filing
- 2012-02-09 US US13/984,606 patent/US20130321105A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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None |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3229311A1 (en) | 2016-04-04 | 2017-10-11 | Huawei Technologies Co., Ltd. | Conductor coupling apparatus |
Also Published As
Publication number | Publication date |
---|---|
US20130321105A1 (en) | 2013-12-05 |
WO2012111938A3 (ko) | 2012-11-29 |
KR20120093035A (ko) | 2012-08-22 |
CN103380536A (zh) | 2013-10-30 |
JP2014509492A (ja) | 2014-04-17 |
EP2677595A2 (en) | 2013-12-25 |
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