WO2014203672A1 - 給電路 - Google Patents
給電路 Download PDFInfo
- Publication number
- WO2014203672A1 WO2014203672A1 PCT/JP2014/063366 JP2014063366W WO2014203672A1 WO 2014203672 A1 WO2014203672 A1 WO 2014203672A1 JP 2014063366 W JP2014063366 W JP 2014063366W WO 2014203672 A1 WO2014203672 A1 WO 2014203672A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- waveguide
- line
- triplate
- feed
- feed path
- Prior art date
Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 12
- 239000006260 foam Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000523 sample Substances 0.000 description 7
- 230000005672 electromagnetic field Effects 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/107—Hollow-waveguide/strip-line transitions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
Definitions
- the present invention relates to a feed path formed as a triplate line from a waveguide-triplate line converter coupled to a radio to a plurality of patch antennas in a tin shape.
- planar antennas consisting of an array of many patch antennas are often adopted, and power supply to these patch antennas
- the path is formed as a triplate line which is simple in structure and can realize parallel feeding at low cost and with high accuracy, and yet can ensure high gain and efficiency.
- the conventional tri-plate feed type planar antenna is composed of a stacked ground plate 41, a foam sheet 42-1, a flexible substrate 43, a foam sheet 42-2, and a slot plate 44.
- the elements stacked in this manner are configured as follows.
- the foam sheets 42-1 and 42-2 are configured as a cushioning material, a heat insulating material and a dielectric that sandwich the flexible substrate 43 from both sides thereof.
- a feed path 43F for realizing tournament feeding to these patch antennas is used as a circuit pattern It is formed.
- lattice-like slot openings 44S 1, 1 to 44Sm , n are formed in portions corresponding to the patch antenna individually, and a plain ground pattern is formed on the entire surface except these portions. Is formed.
- the feed system of such a triplate feed type planar antenna is configured as follows.
- a waveguide-triplate line converter (hereinafter, simply referred to as a "converter”) 43C is disposed on a predetermined portion of the flexible substrate 43 surrounded by the patch antennas 43A1 , 1 to 43Am , n. .
- the generatrix of the feed line 43F one end probe 43CP inserted into the tube from the side wall of the waveguide 43C WC constituting the transducer 43C is contiguous, and to realize the above-described tournament power supply
- the other end is connected to 43FM, and a main line 43B having the same width as that of the bus bar 43FM is formed.
- a transformer 43T whose width is set to be smaller than the width of the bus bar 43FM is formed as a circuit pattern in the vicinity of a connection point with the main line 43B on the bus bar 43FM.
- the waveguide 43C WC paired with the above-described probe 43CP as shown in FIG.
- a short plate 43Cs constructed on the top including the opening of the annular member 43Cr and having a hole through which a screw 43S-1 to 43S-5 described later pass.
- the ground plate 41 and the annular member are formed between the waveguide flange 43CF and the short plate 43Cs by screwing into the screw holes formed in the waveguide flange 43CF corresponding to the holes.
- Screws 43S-1 to 43S-5 are inserted through the ground plate 41, the annular member 43CR, the slot plate 44 and the annular member 43Cr, and the dimensions for stably contacting the side walls of the screws 43S-1 to 43S-5.
- a hole (not shown) having an inner wall of and shaped is pre-formed.
- waveguide 43C WC is between the aforementioned waveguide flange 43CF and short plates 43Cs, sandwiched by screw 43S-1 ⁇ 43S-5, and It is formed by the ground plate 41, the annular member 43CR, the slot plate 44 and the inner wall of the annular member 43Cr electrically connected by the screws 43S-1 to 43S-5.
- the probe 43CP is output by a transmitter (not shown), and the transmitted wave delivered as an electromagnetic field of a fundamental mode propagating in the waveguide 43C WC tube is referred to as "electroplate of triplate line". Convert.
- the "electromagnetic field of the triplate line” is handed over to the bus bar 43FM via the main line 43B and the transformer 43T described above, and further to the patch antennas 43A1 , 1 to 43Am , n. Tournament powered.
- the transformer 43T is set to be narrower than the bus bar 43FM, thereby achieving impedance matching between the bus bar 43FM and the main line 43B which are formed to have the same width.
- tournament feeding to the patch antennas 43A1 , 1 to 43Am , n is realized inexpensively without losing the advantage of the triplate line of high gain and possibility of efficiency.
- Patent Document 1 describes a triplate configuration in which a strip line formed on a substrate is surrounded by a ground substrate with an air gap of about 2 mm from both sides, and a radiation element is formed on one of the ground substrates.
- a stripline of a final feeding point of about 1.7 mm in width is inserted from both sides of a 19.05 ⁇ 9.525 mm-sized waveguide, and these two
- a stripline-waveguide converter in which the distance between the striplines is about 0.5 to 1.0 mm and the phase difference between the powers input from both striplines to the waveguide is 180 °. It is disclosed a planar antenna characterized in that it is possible to feed by a waveguide capable of achieving efficient power synthesis (branching).
- main line 43B is sandwiched by the foam sheets 42-1 and 42-2 having high thermal insulation properties and is further sandwiched by the ground plate 41 and the slot plate 44, it is heated to about 150 ° C. Ru.
- the transformer 43T is narrower than the main line 43B and the bus bar 43FM as described above, the transformer 43T is heated to, for example, about 115 ° C.
- the foamed sheets 42-1 and 42-2 have a heat resistant temperature as low as 90.degree. C. to 130.degree. C., so that the portions in contact with the main line 43B and the transformer 43T melt. In such a state, transmission of a desired high-power transmission wave is blocked because characteristics such as a characteristic impedance suitable as a triplate line deteriorate.
- An object of the present invention is to provide a feeding path that can be inexpensively adapted to high power without changing the basic configuration and increasing the physical size.
- a feed path formed as a triplate line extending from a waveguide-triplate line converter coupled to a wireless device to a plurality of patch antennas in a tinge, wherein
- the width and length of the section sandwiched between the waveguide-triplate line converter and the waveguide-triplate line converter on the road, the impedance of the section is the branch It is directly matched to the parallel value of the impedance of the branch which is ahead of the point, and the loss of the section is set to a value which can be suppressed below the predetermined upper limit value.
- the width and the length of the section from the waveguide-triplate line converter to the branch point on the feed path are set to values at which impedance mismatch and unnecessary loss do not occur.
- the width and the length may be: under the power supplied via the waveguide-triplate line converter, the feed path
- the temperature of the feed line and / or the heat generation amount of the feed line in the environment to which the lamp is exposed may be set to a value that can be suppressed within a predetermined limit.
- the width and length of the section from the waveguide-triplate line converter to the branch point on the feed path is such that the temperature and the amount of heat generated due to the impedance mismatch and unnecessary loss are within predetermined limits. It is set to the value
- the waveguide-triplate line converter is formed as a triplate line for realizing tournament feeding to the plurality of patch antennas. It may be done.
- the feed path according to the present invention it is possible to feed these patch antennas without causing a large difference in the width of any path from the waveguide-triplate line converter to the plurality of patch antennas individually.
- the level and phase of the radio signal to be transmitted are accurately set to desired values.
- the feed line according to the present invention By forming the feed line according to the present invention as a triplate line, the heat radiation efficiency is mechanically low, and the power supplied from the radio via the waveguide-triplate line converter is large. Even if it is, the heating and the deterioration of the characteristics due to the heating are avoided.
- the feed path according to the present invention by being formed as a triplate line, the heat radiation efficiency is mechanically low, and the power supplied from the wireless device via the waveguide-triplate line converter is large. Even in this case, the calorific value due to heating and its heating can be suppressed to the extent that the characteristics do not deteriorate.
- FIG. 1 shows an embodiment of the present invention. It is a figure which shows the temperature distribution of the electric power feeding system in this embodiment. It is a figure which shows the external appearance of the tri-plate feed type
- FIG. 1 is a diagram showing an embodiment of the present invention.
- FIG. 1 elements having the same functions as those shown in FIGS. 4 and 5 are given the same reference numerals, and the description thereof is omitted here.
- the configuration on the flexible substrate 43 differs from the conventional example shown in FIG. 4 and FIG. 5 in the following points.
- Converter 43C is arranged at a close point of bus 43FM.
- the width of the main line 43B is set to a value of about 2.5 times that of the conventional example (the impedance is halved).
- the main line 43B is formed as a circuit pattern directly connected to the bus bar 43FM, and as shown by a dotted line frame in FIG. 1, the transformer 43T is not formed at the connection point of both.
- the probe 43CP converts the transmission wave output by the transmitter and delivered as an electromagnetic field of the fundamental mode propagating in the waveguide 43C WC into a "triplate electromagnetic field" as in the conventional example.
- the "electromagnetic field of the triplate line" is handed over to the bus bar 43FM via the main line 43B described above.
- the transmission wave output by the transmitter in this manner is handed over to the bus 43FM and is tournament fed to the patch antennas 43A1 , 1 to 43Am , n in the same manner as in the conventional example.
- the transformer 43T Even if there is no interposition, it is performed without the impedance mismatching caused by the bus bar 43FM bifurcating from the main line 43B.
- the main line 43B is set to be considerably shorter in length than the conventional example.
- the electrical resistance of the main line 43B interposed between the probe 43CP and the bus bar 43FM is significantly lower than that of the conventional example.
- the ratio of the power converted to heat by the main line 43B is significantly greater than that of the conventional example. It becomes a small value.
- the temperature of each portion is suppressed to a value smaller than the heat resistant temperature (90 ° C. to 130 ° C.) of the foam sheets 42-1 and 42-2.
- the temperature of the main line 43B is about 60.degree.
- the temperature of the bus 43FM is 80 ° C. or less.
- the overall gain of the patch antennas 43A1 , 1 to 43Am , n is reduced , for example, as the length of the main line 43B is shortened from 76 mm to 19 mm, so the loss converted to the heat is reduced. By about 0.1 dB improvement.
- the characteristics and reliability of the antenna system can be stably ensured even when the transmission power is large or can be widely varied.
- the foam sheets 42-1 and 42-2 are not limited to plate-like foam materials, and any material can be used as long as it functions as an appropriate dielectric at a desired frequency. Good.
- the material of the flexible substrate 43 may be any material as long as the desired characteristics can be obtained.
- the wavelength is adjusted to balance the frequency and the physical size.
- it may be a ceramic or the like in which the effective Q and relative dielectric constant values are suitable.
- the bus bar 43FM branches in two directions at the connection point with the main line 43B, impedance matching between the main line 43B and the bus 43FM is achieved, and both occur.
- the bus bar 43FM may branch in three or more directions if the amount of heat is suppressed to less than a desired threshold value.
- the present invention is applied only to the connection point between the main track 43B and the bus bar 43FM.
- connection point is not limited to only such a connection point, and is equally applicable to, for example, a subsequent branch point connected to the bus bar 43FM and formed for tournament feeding.
- the present invention is not limited to the KU band (13.75 GHz to 14.5 GHz), but if it is a frequency band (mainly 10 GHz to 80 GHz) in which a triplate feed type planar antenna can be configured, It is applicable.
- the present invention is applicable to any antenna in which a feed line including a bus 43FM, a main line 43B, and patch antennas 43A1 , 1 to 43Am , n are formed as a pattern on a circuit board.
- the present invention is not limited to a polarization-only planar antenna that forms a wireless transmission path with a common polarization for uplink and downlink, but, for example, as shown in FIG.
- the present invention is similarly applicable to a polarization sharing planar antenna which forms a wireless transmission path with polarizations orthogonal to each other.
- the present invention is not limited to the above-described embodiment, but various configurations of the embodiment are possible within the scope of the present invention, and any improvement may be applied to all or part of the components.
- the present invention can be widely applied to a feed path formed as a triplate line from a waveguide-triplate line converter coupled to a radio to a plurality of patch antennas in a tin shape.
- the feed line according to the present invention By forming the feed line according to the present invention as a triplate line, the heat radiation efficiency is mechanically low, and the power supplied from the radio via the waveguide-triplate line converter is large. Even if it is, the heating and the deterioration of the characteristics due to the heating are avoided.
- the feed path according to the present invention by being formed as a triplate line, the heat radiation efficiency is mechanically low, and the power supplied from the wireless device via the waveguide-triplate line converter is large. Even in this case, the calorific value due to heating and its heating can be suppressed to the extent that the characteristics do not deteriorate.
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
- Emergency Protection Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
本願は、2013年6月18日に、日本に出願された特願2013-127068号に基づき優先権を主張し、その内容をここに援用する。
42 発泡シート
43 フレキシブル基板
43A パッチアンテナ
43B 幹線路
43C 導波管-トリプレート線路変換器
43CF 導波管フランジ
43CP プローブ
43CR 環状部材
43Cr 環状部材
43Cs ショート板
43CWC 導波管
43F 給電路
43FM 母線
43T トランスフォーマ
44 スロット板
44S スロット開口
Claims (3)
- 無線機に結合する導波管-トリプレート線路変換器からすずなり状に複数のパッチアンテナに至るトリプレート線路として形成された給電路であって、
前記給電路上で、前記導波管-トリプレート線路変換器に最寄りの分岐点と、前記導波管-トリプレート線路変換器とで挟まれた区間の幅および長さは、
前記区間のインピーダンスが前記分岐点の先にある支路のインピーダンスの並列値に直接整合し、かつ前記区間の損失が既定の上限値以下に抑えられる値に設定された
ことを特徴とする給電路。 - 請求項1に記載の給電路において、
前記幅および長さは、
前記導波管-トリプレート線路変換器を介して供給される電力の下で、前記給電路が晒される環境における前記給電路の温度と、前記給電路の発熱量との双方または何れか一方が既定の限度内に抑えられる値に設定された
ことを特徴とする給電路。 - 請求項1または請求項2に記載の給電路において、
前記導波管-トリプレート線路変換器から前記複数のパッチアンテナに対するトーナメント給電を実現するトリプレート線路として形成された
ことを特徴とする給電路。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/898,744 US9979066B2 (en) | 2013-06-18 | 2014-05-20 | Feed line comprised of a triplate line coupled between a waveguide/triplate line converter and patch antennas for optimizing signals through the feed line |
BR112015031220-9A BR112015031220B1 (pt) | 2013-06-18 | 2014-05-20 | Linha de alimentação |
EP14813084.2A EP3012900A4 (en) | 2013-06-18 | 2014-05-20 | Feed line |
PH12015502769A PH12015502769A1 (en) | 2013-06-18 | 2015-12-11 | Feed line |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013127068A JP2015002490A (ja) | 2013-06-18 | 2013-06-18 | 給電路 |
JP2013-127068 | 2013-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014203672A1 true WO2014203672A1 (ja) | 2014-12-24 |
Family
ID=52104414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/063366 WO2014203672A1 (ja) | 2013-06-18 | 2014-05-20 | 給電路 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9979066B2 (ja) |
EP (1) | EP3012900A4 (ja) |
JP (1) | JP2015002490A (ja) |
BR (1) | BR112015031220B1 (ja) |
CL (1) | CL2015003613A1 (ja) |
PH (1) | PH12015502769A1 (ja) |
WO (1) | WO2014203672A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6318392B2 (ja) | 2013-06-18 | 2018-05-09 | 日本無線株式会社 | 2ポートトリプレート線路−導波管変換器 |
US10468737B2 (en) * | 2017-12-30 | 2019-11-05 | Intel Corporation | Assembly and manufacturing friendly waveguide launchers |
US20210313697A1 (en) * | 2020-04-02 | 2021-10-07 | Star Systems International Limited | Patch antenna |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61239701A (ja) * | 1985-04-16 | 1986-10-25 | Mitsubishi Electric Corp | トリプレ−ト線路形t分岐 |
JPH0752803B2 (ja) | 1989-07-26 | 1995-06-05 | 松下電工株式会社 | 平面アンテナ |
JP2002368507A (ja) * | 2001-06-06 | 2002-12-20 | Murata Mfg Co Ltd | 積層型伝送線路交差チップ |
JP2005094314A (ja) * | 2003-09-17 | 2005-04-07 | Tdk Corp | 伝送線路 |
JP2006279474A (ja) * | 2005-03-29 | 2006-10-12 | Kyocera Corp | 配線基板 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2579371B2 (ja) * | 1989-10-20 | 1997-02-05 | 富士通株式会社 | 高周波信号用の電力分配/合成器 |
FR2675637B1 (fr) * | 1991-04-16 | 1993-07-09 | Bretagne Critt | Transition ligne microruban/guide d'ondes. |
US5394119A (en) | 1993-08-24 | 1995-02-28 | Raytheon Company | Radio frequency connector for a patch coupled aperture array antenna |
US5539361A (en) * | 1995-05-31 | 1996-07-23 | The United States Of America As Represented By The Secretary Of The Air Force | Electromagnetic wave transfer |
US6317094B1 (en) * | 1999-05-24 | 2001-11-13 | Litva Antenna Enterprises Inc. | Feed structures for tapered slot antennas |
WO2007123494A1 (en) | 2006-04-24 | 2007-11-01 | Agency For Science, Technology And Research | Array antenna for wireless communication and method |
-
2013
- 2013-06-18 JP JP2013127068A patent/JP2015002490A/ja active Pending
-
2014
- 2014-05-20 BR BR112015031220-9A patent/BR112015031220B1/pt active IP Right Grant
- 2014-05-20 US US14/898,744 patent/US9979066B2/en active Active
- 2014-05-20 EP EP14813084.2A patent/EP3012900A4/en not_active Ceased
- 2014-05-20 WO PCT/JP2014/063366 patent/WO2014203672A1/ja active Application Filing
-
2015
- 2015-12-11 PH PH12015502769A patent/PH12015502769A1/en unknown
- 2015-12-14 CL CL2015003613A patent/CL2015003613A1/es unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61239701A (ja) * | 1985-04-16 | 1986-10-25 | Mitsubishi Electric Corp | トリプレ−ト線路形t分岐 |
JPH0752803B2 (ja) | 1989-07-26 | 1995-06-05 | 松下電工株式会社 | 平面アンテナ |
JP2002368507A (ja) * | 2001-06-06 | 2002-12-20 | Murata Mfg Co Ltd | 積層型伝送線路交差チップ |
JP2005094314A (ja) * | 2003-09-17 | 2005-04-07 | Tdk Corp | 伝送線路 |
JP2006279474A (ja) * | 2005-03-29 | 2006-10-12 | Kyocera Corp | 配線基板 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3012900A4 |
Also Published As
Publication number | Publication date |
---|---|
US9979066B2 (en) | 2018-05-22 |
EP3012900A4 (en) | 2017-02-22 |
BR112015031220A2 (pt) | 2017-07-25 |
JP2015002490A (ja) | 2015-01-05 |
PH12015502769B1 (en) | 2018-05-28 |
US20160141741A1 (en) | 2016-05-19 |
EP3012900A1 (en) | 2016-04-27 |
BR112015031220B1 (pt) | 2022-03-29 |
PH12015502769A1 (en) | 2018-05-28 |
CL2015003613A1 (es) | 2016-12-09 |
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