WO2015165098A1 - Ligne d'alimentation en énergie - Google Patents

Ligne d'alimentation en énergie Download PDF

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Publication number
WO2015165098A1
WO2015165098A1 PCT/CN2014/076655 CN2014076655W WO2015165098A1 WO 2015165098 A1 WO2015165098 A1 WO 2015165098A1 CN 2014076655 W CN2014076655 W CN 2014076655W WO 2015165098 A1 WO2015165098 A1 WO 2015165098A1
Authority
WO
WIPO (PCT)
Prior art keywords
wavelength
power feeding
feeding device
open end
horn
Prior art date
Application number
PCT/CN2014/076655
Other languages
English (en)
Chinese (zh)
Inventor
蔡云龙
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP14891056.5A priority Critical patent/EP3121900B1/fr
Priority to PCT/CN2014/076655 priority patent/WO2015165098A1/fr
Priority to CN201480072238.3A priority patent/CN105874649B/zh
Publication of WO2015165098A1 publication Critical patent/WO2015165098A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns

Definitions

  • the present invention relates to the field of antenna technologies, and in particular, to a power feeding device. Background technique
  • Embodiments of the present invention provide a power feeding device, which can reduce transmission loss and ensure antenna gain.
  • a first aspect of the present invention provides a power feeding device, which may include a speaker antenna, a dielectric substrate, a transmission line 30 disposed on the dielectric substrate, and a grounding portion 40;
  • the horn antenna 10 includes a relatively opposite horn open end 11 , a suffix feed input end 12 , and a cavity between the slab open end 11 and the slab feed input end 12 , the cavity Including a first inner surface 13;
  • the transmission line 30 includes a flat portion 31 and a bent portion 32.
  • the ground portion 40 is disposed on both sides of the straight portion 31, the straight portion 31, the bent portion 32, and the ground portion. 40 entering the cavity through the Ra eight feed input terminal 12 , the flat portion 31 is attached to the first inner surface 13 , and the bent portion 32 forms with the first inner surface 13 Specific angle.
  • the Ra eight feed input end 12 defines a through hole 121, the straight portion 31, the bent portion 32, and the The grounding portion 40 enters the cavity through the through hole 121.
  • the through hole 121 is a square, and the side length of the square ranges from 1/16 wavelength to Between 1/4 wavelength, the wavelength is the wavelength of the electromagnetic wave.
  • the first inner surface 13 is provided with Covering the flat portion 31 and the covering portion 50 of the ground portion 40, the covering portion 50 forms a passage with the first inner surface 13, the passage includes a first open end and a second open end, The first open end is communicated to the through hole 121, and the second open end faces the bent portion 32.
  • the first open end is consistent with the shape and size of the through hole 121.
  • the length of the channel is equal to the distance between the second open end and the bent portion 32. .
  • the length of the channel ranges from 1/8 wavelength to 1/5 wavelength, and the wavelength is The wavelength of the electromagnetic wave.
  • a first feasible embodiment based on the first aspect or the first aspect or a second possible implementation of the first aspect or a third possible implementation of the first aspect or the fourth feasible aspect of the first aspect The fifth possible implementation manner of the first aspect or the sixth feasible implementation manner of the first aspect, in the seventh feasible implementation manner of the first aspect, the specific angle is 90 degrees.
  • a first feasible embodiment based on the first aspect or the first aspect or a second possible implementation of the first aspect or a third possible implementation of the first aspect or the fourth feasible aspect of the first aspect The fifth feasible embodiment of the first aspect or the sixth possible implementation of the first aspect, in the eighth possible implementation manner of the first aspect, the through hole 121 and the curved
  • the distance of the folded portion 32 is 1/4 wavelength, and the wavelength is the electromagnetic wave wavelength.
  • the height of the bent portion 32 is 1/4 wavelength.
  • the straight portion, the grounding portion and the bent portion of the transmission line directly enter the cavity of the horn antenna through the input terminal of the horn antenna of the lap antenna, and the flat portion is attached to the first inner surface of the horn antenna, and is bent.
  • the fold portion serves as a feed probe, and forms a specific angle with the first inner surface of the cavity to directly couple energy into the horn antenna, which simplifies the transmission structure of the signal transmission to the antenna, shortens the transmission distance, and reduces the transmission.
  • the free space loss of the process realizes the coplanarization of the transmission line and the high-gain Labar antenna, which facilitates the integration of the horn antenna on the circuit board.
  • FIG. 1 is a schematic view of a power feeding device according to an embodiment of the present invention
  • FIG. 2 is a schematic view of another embodiment of the power feeding device according to an embodiment of the present invention
  • a schematic view of the covering portion 50 A schematic view of the covering portion 50.
  • a power feeding device includes a horn antenna 10, a dielectric substrate 20, a transmission line 30 disposed on the dielectric substrate 20, and a grounding portion 40.
  • the horn antenna 10 includes oppositely disposed horn open ends 11 and slap eight feed input terminals 12 and bits a cavity between the open end 11 of the horn and the input end 12 of the horn, the cavity comprising a first inner surface 13.
  • the Rabat antenna 10 is a circular or rectangular cross-section microwave antenna with a waveguide opening surface which is gradually opened. Generally, it can be divided into: a cone-shaped eight-eight, an E-faced fan-shaped eight-eight, an H-faced fan-shaped eight-shaped, and a pyramidal-shaped eight-eight.
  • the input end of the Ra eight feed is one end with a smaller opening of 12, and the open end 11 of the Ra eight is the end with a larger opening.
  • the pyramid horn antenna is taken as an example to realize coplanarization of one surface of the pyramid horn antenna (the surface is the first inner surface 13 described above) and the dielectric substrate 20.
  • the transmission line 30 is a center conductor strip provided on one side of the dielectric substrate of the coplanar waveguide, and the ground portion 40 is disposed on both sides of the center conductor strip.
  • coplanar waveguides have the advantages of simple fabrication, ease of implementation of series or parallel connection of passive or active devices in the circuit (no need to perforate the substrate), and ease of circuit density.
  • the transmission line 30 includes a straight portion 31 and a bent portion 32.
  • the ground portion 40 is disposed on both sides of the straight portion 31.
  • the straight portion 31, the bent portion 32, and the ground portion 40 pass through the horn feed input terminal 12 to enter the cavity.
  • the straight portion 31 is attached to the first inner surface 13, and the bent portion 32 forms a specific angle with the first inner surface 13.
  • the bent portion 32 is a portion of the transmission line 30 that is bent after extending into the cavity for a distance.
  • the purpose of the bending portion 32 is to form a feed structure of the probe, and the bent portion 32 is formed by the probe and the first inner surface 13.
  • the specific angle is generally 90 degrees, that is, the bent portion 32 is perpendicular to the first inner surface 13 (the inevitable error may occur during the manufacturing process, and the error needs to be within an acceptable range, so as not to affect the overall effect).
  • the signal and energy transmitted by the flat portion 31 are directly fed to the Laban antenna 10 through the probe, which simplifies the signal transmission structure and shortens the transmission distance, thereby reducing the transmission loss.
  • the horn feeding input end 12 defines a through hole 121.
  • the straight portion 31 of the transmission line 30, the bent portion 32, and the ground portion 40 enter the cavity through the through hole 121.
  • the through holes 121 are square, and the side length of the square ranges from 1/16 wavelength to 1/4 wavelength.
  • the through hole 121 has a higher bandwidth when it is set to a square shape, and the square through hole is more convenient to operate during processing, and the accuracy of the size. - - Can be more precise. It should be noted that the square design should be avoided as much as 1/8 wavelength in the range, because when the length is exactly 1/8 wavelength, the impedance matching of the input port will be significantly deteriorated.
  • the shape of the through hole 121 may also be circular.
  • the length of the straight portion 31 and the ground portion 40 into the cavity is matched with the length of the bent portion 32 (i.e., the size of the probe).
  • the distance between the through hole 121 and the bent portion 32 is 1/4 wavelength, that is, the length of the straight portion 31 and the ground portion 40 into the cavity is 1/4 wavelength, for example, when the frequency is 140 GHz.
  • the distance between the through hole 121 and the bent portion 32 is 0.56 mm.
  • the height of the bent portion 32 (probe) perpendicular to the first inner surface 13 fed in the horn antenna 10 mainly affects the resonance frequency. Since the feeding end of the horn antenna 10 needs to be matched with the probe, not only the height of the probe affects the resonant frequency, but also the length of the reflecting cavity (i.e., the length of the straight portion 31 and the ground portion 40 entering the cavity). Affect the impedance bandwidth. In one embodiment, when the height of the bent portion 32 is the same as the length of the straight portion 31 and the ground portion 40 into the cavity, a good impedance bandwidth can be obtained. For example, when the frequency is 140 GHz, the height of the bent portion 32 is 0.56 mm.
  • the first inner surface 13 is further provided with a cover portion 50 for covering the flat portion 31 and the ground portion 40, and the cover portion 50 forms a passage with the first inner surface 13
  • the passage includes a first open end and a second open end, the first open end communicates with the through hole 121, and the second open end faces the bent portion 32.
  • the cover portion 50 covers a portion of the flat portion 31 and the ground portion 40 entering the cavity, that is, a portion of the flat portion 31 and the ground portion 40 entering the cavity is located at the cover portion 50 and the first inner surface 13 Within the formed channel.
  • the length of the channel that is, the length of the cover, may be set to be equal to: a distance between the second open end and the bent portion 32 (ie, half of the length of the straight portion 31 and the ground portion 40 entering the cavity) ), or the length ranges from 1/8 wavelength to 1/5 wavelength.
  • the first open end is identical in shape and size to the through hole 121, and the channel may be cylindrical, that is, the shape of the second open end is the same as that of the first open end or the through hole 121.
  • the covering portion 50 can be provided with a hollow portion matched with the shape and size of the through hole 121.
  • the through hole 121 is a square having a side length of 1/4 wavelength
  • the horizontal portion of the hollow portion section - - is a square with a side length of 1/4 wavelength, and the length is equivalent to the above channel length.
  • a cover 50 is added to a portion of the flat portion 31 and the ground portion 40 that enters the cavity for the purpose of broadening the impedance bandwidth. Because the speaker antenna 10 is fed with a probe structure, the bandwidth is narrow, and the addition of the cover portion 50 can generate an additional resonance peak. Adjusting the length of the channel can adjust the additional resonance peak and the original resonance peak. Match the situation. Since the reflection cavity generally has a requirement of 1/4 wavelength (that is, the length of the straight portion 31 and the ground portion 40 entering the cavity), and the impedance matching bandwidth characteristic of the channel length within a certain range of 1/4 wavelength is good, This range is set to 1/8 wavelength to 1/5 wavelength.
  • the wavelengths referred to above are all electromagnetic wave wavelengths, and the propagation speed of the electromagnetic waves is equal to the speed of light c (3 ⁇ 10 A 8 m/s), that is, the product of the wavelength and the frequency f.
  • the straight portion, the grounding portion and the bent portion of the transmission line directly enter the cavity of the horn antenna through the input terminal of the horn antenna of the lap antenna, and the flat portion is attached to the first inner surface of the horn antenna, and is bent.
  • the fold portion serves as a feed probe, and forms a specific angle with the first inner surface of the cavity to directly couple energy into the horn antenna, which simplifies the transmission structure of the signal transmission to the antenna, shortens the transmission distance, and reduces the transmission.
  • the free space loss of the process realizes the coplanarization of the transmission line and the high-gain Labar antenna, which facilitates the integration of the horn antenna on the circuit board.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure.
  • Any connection may suitably be a computer readable medium.
  • the software is using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or none such as infrared, radio, and microwave Wire technology is transmitted from a website, server or other remote source, then coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies such as infrared, wireless and microwave are included in the fixing of the associated medium.
  • a disk and a disc include a compact disc (CD), a laser disc, a disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

Landscapes

  • Waveguide Aerials (AREA)

Abstract

Un mode de réalisation de la présente invention concerne une ligne d'alimentation en énergie comprenant une antenne à cornet (10) et un substrat diélectrique (20), et une ligne de transmission (30) et des parties de mise à la terre (40) disposées sur le substrat diélectrique (20) ; l'antenne en cornet (10) comprend une extrémité ouverte de cornet (11) et une extrémité d'entrée d'alimentation en énergie du cornet (12) opposée, et une cavité située entre l'extrémité ouverte de cornet (11) et l'extrémité d'entrée d'alimentation en énergie du cornet (12) ; la cavité comprend une première surface intérieure (13) ; la ligne de transmission (30) comprend une partie droite (31) et une partie courbée (32) ; les parties de mise à la terre (40) sont disposées sur les deux côtés de la partie droite (31) ; la partie droite (31), la partie courbée (32) et les parties de mise à la terre (40) passent à travers l'extrémité d'entrée d'alimentation en énergie du cornet (12) pour aller dans la cavité ; la partie droite (31) est fixée à la première surface intérieure (13) ; la partie courbée (32) et la première surface intérieure (13) forment un angle particulier. Ainsi, d'une part, cela simplifie la structure de transmission de la transmission d'un signal à l'antenne, raccourcit la distance de transmission, et réduit les pertes d'espace libre dans le processus de transmission, et d'autre part, cela permet à la ligne de transmission et l'antenne à cornet à gain élevé d'être coplanaires, facilitant l'intégration de l'antenne à cornet sur une carte de circuit imprimé.
PCT/CN2014/076655 2014-04-30 2014-04-30 Ligne d'alimentation en énergie WO2015165098A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14891056.5A EP3121900B1 (fr) 2014-04-30 2014-04-30 Ligne d'alimentation en énergie
PCT/CN2014/076655 WO2015165098A1 (fr) 2014-04-30 2014-04-30 Ligne d'alimentation en énergie
CN201480072238.3A CN105874649B (zh) 2014-04-30 2014-04-30 一种馈电装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/076655 WO2015165098A1 (fr) 2014-04-30 2014-04-30 Ligne d'alimentation en énergie

Publications (1)

Publication Number Publication Date
WO2015165098A1 true WO2015165098A1 (fr) 2015-11-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/076655 WO2015165098A1 (fr) 2014-04-30 2014-04-30 Ligne d'alimentation en énergie

Country Status (3)

Country Link
EP (1) EP3121900B1 (fr)
CN (1) CN105874649B (fr)
WO (1) WO2015165098A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110311208A (zh) * 2018-03-27 2019-10-08 雷迪埃公司 在pcb集成喇叭天线的无线通信设备、生产方法和用途

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11876295B2 (en) * 2017-05-02 2024-01-16 Rogers Corporation Electromagnetic reflector for use in a dielectric resonator antenna system
RU2761101C1 (ru) * 2020-08-18 2021-12-03 Акционерное общество "Калужский научно-исследовательский радиотехнический институт" Сверхширокополосная рупорная антенна

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1528031A (zh) * 2001-02-20 2004-09-08 Nrd技术有限公司 无辐射介质(nrd)波导喇叭天线
CN101593872A (zh) * 2009-07-01 2009-12-02 电子科技大学 一种后馈式毫米波宽带双脊喇叭天线
JP2009296301A (ja) * 2008-06-05 2009-12-17 Japan Radio Co Ltd ホーンアンテナおよびフレア付きアンテナ
CN101667682A (zh) * 2009-09-23 2010-03-10 东南大学 多模基片集成波导单脉冲天线

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
US2398095A (en) * 1940-08-31 1946-04-09 Rca Corp Electromagnetic horn radiator
DE1565266A1 (de) * 1965-06-18 1970-02-05 Fried. Krupp Gmbh, 4300 Essen Querstrahler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1528031A (zh) * 2001-02-20 2004-09-08 Nrd技术有限公司 无辐射介质(nrd)波导喇叭天线
JP2009296301A (ja) * 2008-06-05 2009-12-17 Japan Radio Co Ltd ホーンアンテナおよびフレア付きアンテナ
CN101593872A (zh) * 2009-07-01 2009-12-02 电子科技大学 一种后馈式毫米波宽带双脊喇叭天线
CN101667682A (zh) * 2009-09-23 2010-03-10 东南大学 多模基片集成波导单脉冲天线

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110311208A (zh) * 2018-03-27 2019-10-08 雷迪埃公司 在pcb集成喇叭天线的无线通信设备、生产方法和用途

Also Published As

Publication number Publication date
EP3121900A4 (fr) 2017-03-22
EP3121900B1 (fr) 2020-03-18
EP3121900A1 (fr) 2017-01-25
CN105874649B (zh) 2019-05-03
CN105874649A (zh) 2016-08-17

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