WO2022033254A1 - Déphaseur à cavité haute performance appliqué à un système 5g - Google Patents

Déphaseur à cavité haute performance appliqué à un système 5g Download PDF

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Publication number
WO2022033254A1
WO2022033254A1 PCT/CN2021/105351 CN2021105351W WO2022033254A1 WO 2022033254 A1 WO2022033254 A1 WO 2022033254A1 CN 2021105351 W CN2021105351 W CN 2021105351W WO 2022033254 A1 WO2022033254 A1 WO 2022033254A1
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WO
WIPO (PCT)
Prior art keywords
phase shifter
cavity
phase
pcb
performance
Prior art date
Application number
PCT/CN2021/105351
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English (en)
Chinese (zh)
Inventor
李丹妮
洪何知
崔晗璐
耿景龙
张静
Original Assignee
昆山恩电开通信设备有限公司
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Application filed by 昆山恩电开通信设备有限公司 filed Critical 昆山恩电开通信设备有限公司
Publication of WO2022033254A1 publication Critical patent/WO2022033254A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/18—Phase-shifters

Definitions

  • the utility model relates to the technical field of wireless communication, in particular to a high-performance cavity phase shifter applied to a 5G system
  • the ESC base station antenna is one of the key equipment for network coverage
  • the phase shifter is the core component of the ESC base station antenna.
  • the performance of the phase shifter directly determines the performance of the ESC antenna. It affects the quality of network coverage. Therefore, the design of cavity phase shifters with low loss and stable performance becomes the top priority.
  • the resonant frequency of the phase shifter cavity is very important, because the resonant frequency of the phase shifter cavity may coincide with the antenna frequency, which will affect the use of the antenna.
  • the operating frequency band of the cavity phase shifter is 3.4GHz to 5.0GHz.
  • the design of the phase shifter cavity is difficult to meet the technical requirements, so it is necessary to design a high-performance cavity phase shifter suitable for ultra-high frequency.
  • the purpose of the present invention is to provide a high-performance cavity phase shifter whose resonant frequency of the phase shifter cavity is outside the operating frequency of the antenna frequency and is suitable for ultra-high frequency.
  • a high-performance cavity phase shifter applied to a 5G system includes a phase shifter cavity, a PCB board is arranged in the phase shifter cavity, and a power divider and a phase shift stripline are arranged on the PCB board. Both sides of the PCB board are provided with medium cover plates, the medium cover plates on both sides are symmetrically arranged, the medium cover plate is slidably connected with the PCB board, and the medium cover plate is also connected with a pull rod, and is characterized in that: The width of the cavity of the phase shifter is less than 1/4 ⁇ , ⁇ is the wavelength of the center frequency of the antenna operating frequency band using the cavity phase shifter, the dielectric cover is provided with an opening, and the opening is close to the phase shift strip. String.
  • the PCB board is provided with a chute
  • the medium cover is connected to the chute on the PCB board through a connector
  • the connector can slide in the chute.
  • the PCB is provided with a phase-shifted strip line in an undulating structure.
  • the phase-shifted stripline has a V-shaped or arc-shaped structure.
  • the power division on the PCB board includes a second-level power division
  • the first-level power division is an equal power division of one-third
  • the ends of a phase-shifting section are respectively connected with one-to-two unequal power divisions of the second stage, wherein the smaller energy ports are respectively connected to the second phase-shifting section.
  • the shell of the phase shifter cavity is tin-plated.
  • the opening is a comb-shaped opening, a rectangular opening or a circular opening.
  • the cavity width of the phase shifter cavity is less than 1/4 wavelength, so that the cavity resonance frequency of the phase shifter can be outside the designed use frequency, so that the design components and the antenna are normal. Work.
  • FIG. 1 is a schematic diagram of the external structure of the embodiment of the patent.
  • FIG. 2 is a schematic diagram of the internal structure of the embodiment of the patent.
  • FIG. 3 is a schematic structural diagram of a PCB board according to an embodiment of the patent.
  • FIG. 4 is a schematic structural diagram of a phase-shifted strip line according to an embodiment of the present patent.
  • FIG. 5 is a schematic structural diagram of a medium cover plate according to an embodiment of the patent.
  • Example embodiments will now be described more fully with reference to the accompanying drawings.
  • Example embodiments can be embodied in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments conveyed to those skilled in the art.
  • the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
  • numerous specific details are provided in order to give a thorough understanding of the embodiments of the present invention.
  • those skilled in the art will appreciate that the technical solutions of the present invention may be practiced without one or more of the specific details, or other methods, components, devices, steps, etc. may be employed.
  • well-known solutions have not been shown or described in detail to avoid obscuring aspects of the present invention.
  • the present patent discloses a high-performance cavity phase shifter applied to a 5G system, which includes a phase shifter cavity 1 , and is located in the center of the narrower sides of the phase shifter cavity 1 .
  • a PCB board 2 Position, there is a slot extending along the direction of the cavity, a PCB board 2 is arranged in the slot, a coaxial wiring hole and a circular hole are opened on one side of the slot, and the coaxial wiring hole and the circular hole correspond to
  • the position of the line interface on the PCB board 2 is also provided with a phase-shifted strip line on the PCB board 2.
  • the phase-shifted strip line is a double-sided microstrip line.
  • the microstrip lines on both sides of the PCB board 2 are conducted through metallized vias. The two edges of the PCB are fixed in the slots inside the cavity.
  • a medium cover plate 3 is provided on both sides of the PCB board 2 respectively.
  • the two medium cover plates 3 are arranged symmetrically, and the medium cover plate 3 is slidably connected to the PCB board 2.
  • a The chute 25 (as shown in FIG. 3 ), the medium cover 3 is connected with the chute 25 on the PCB board 2 through the connecting piece, and the connecting piece can slide in the chute, thereby driving the medium cover 3 to slide along the PCB board .
  • the medium cover plate 3 is provided with an opening 31, and the opening 31 is close to the phase-shifted stripline to form an air stripline.
  • One end of the medium cover 3 is connected with a pull rod 4, and pulling the pull rod can change the position of the medium cover on the PCB board, that is, the phase of the outlet, thereby changing the radiation direction of the antenna.
  • the width of the cavity of the phase shifter is less than 1/4 ⁇ , and ⁇ is the wavelength of the center frequency of the antenna operating frequency band using the cavity phase shifter.
  • the phase-shifting strip line on the PCB board 2 is in an undulating structure (as shown in FIG. 4 ).
  • a V-shaped or arc-shaped structure is adopted, which is superior to the conventional phase-shifter linear strip.
  • the shape-line structure is beneficial to shorten the length of the phase shifter and realize the miniaturization of the phase shifter in the length direction.
  • the openings 31 on the medium cover 3 can be configured as comb-shaped openings, rectangular openings or circular openings (as shown in FIG. 5 ).
  • the PCB board includes two-level power dividers, the first level of which is a one-to-three equal-power division 21 , and two air-belt shapes in the one-to-three equal-power division 21
  • the line outlets are respectively connected to the first phase-shifting section 22, and the ends of the first-stage phase-shifting section are respectively connected to the second-level one-two-two unequal power division 23, wherein the smaller energy ports are respectively connected to the second phase-shifting section 24.
  • the cavity phase shifter designed in this design has an orderly outlet, which solves the problems of long network cables, complicated wiring and poor consistency in the conventional wireless outlet method.
  • phase shifter cavity 1 The surface of the phase shifter cavity 1 is tin-plated, so that when the cable is fed, the cable feed core is connected to the outlet of the phase shifter, and the outer conductor of the cable is welded on the outer cavity of the cavity to ensure a good connection between the transmission cable and the phase shifter cavity.

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  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Le présent modèle d'utilité est un déphaseur à cavité haute performance appliqué à un système 5G, qui comprend une cavité de déphaseur. Une carte de circuit imprimé est disposée dans la cavité de déphaseur; une ligne de bande de déphasage est disposée sur la carte de circuit imprimé; des plaques de couvercle diélectrique sont disposées sur deux côtés de la carte de circuit imprimé; les plaques de couvercle diélectrique sont reliées de manière coulissante à la carte de circuit imprimé; les plaques de couvercle diélectrique sont également reliées à une tige de traction; la largeur de la cavité de déphaseur est inférieure à 1/4λ; λ est la longueur d'onde de fréquence centrale d'une bande de fréquence de fonctionnement d'antenne adoptant le déphaseur à cavité; une ouverture est formée dans chaque plaque de couvercle diélectrique et est proche de la ligne de bande de déphasage. La largeur de cavité de la cavité de déphaseur est inférieure à 1/4 de longueur d'onde, de telle sorte que la fréquence de résonance de la cavité du déphaseur peut être hors de la fréquence d'utilisation à concevoir, et un composant conçu et une antenne peuvent fonctionner normalement.
PCT/CN2021/105351 2020-08-12 2021-07-09 Déphaseur à cavité haute performance appliqué à un système 5g WO2022033254A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021679124.4U CN212542636U (zh) 2020-08-12 2020-08-12 一种应用于5g系统的高性能腔体移相器
CN202021679124.4 2020-08-12

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Publication Number Publication Date
WO2022033254A1 true WO2022033254A1 (fr) 2022-02-17

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WO (1) WO2022033254A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212542636U (zh) * 2020-08-12 2021-02-12 昆山恩电开通信设备有限公司 一种应用于5g系统的高性能腔体移相器
CN114978251B (zh) * 2021-02-23 2023-07-25 大唐移动通信设备有限公司 一种移相器及基站测试系统

Citations (8)

* Cited by examiner, † Cited by third party
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CN105161797A (zh) * 2015-07-15 2015-12-16 安徽四创电子股份有限公司 一种小型化介质移相器
CN106505281A (zh) * 2016-12-27 2017-03-15 深圳国人通信股份有限公司 一种小型化单步式移相器
CN106972225A (zh) * 2017-04-28 2017-07-21 广州司南天线设计研究所有限公司 一种介质移相器的新介质块结构
CN106972223A (zh) * 2017-04-21 2017-07-21 摩比天线技术（深圳）有限公司 移相器及基站天线
US20190067770A1 (en) * 2017-08-29 2019-02-28 Samsung Electronics Co., Ltd. Antenna apparatus including phase shifter
CN109509939A (zh) * 2018-11-24 2019-03-22 广东盛路通信科技股份有限公司 Fa/d移相器
CN110867630A (zh) * 2019-11-27 2020-03-06 武汉虹信通信技术有限责任公司 介质移相器
CN212542636U (zh) * 2020-08-12 2021-02-12 昆山恩电开通信设备有限公司 一种应用于5g系统的高性能腔体移相器

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105161797A (zh) * 2015-07-15 2015-12-16 安徽四创电子股份有限公司 一种小型化介质移相器
CN106505281A (zh) * 2016-12-27 2017-03-15 深圳国人通信股份有限公司 一种小型化单步式移相器
CN106972223A (zh) * 2017-04-21 2017-07-21 摩比天线技术（深圳）有限公司 移相器及基站天线
CN106972225A (zh) * 2017-04-28 2017-07-21 广州司南天线设计研究所有限公司 一种介质移相器的新介质块结构
US20190067770A1 (en) * 2017-08-29 2019-02-28 Samsung Electronics Co., Ltd. Antenna apparatus including phase shifter
CN109509939A (zh) * 2018-11-24 2019-03-22 广东盛路通信科技股份有限公司 Fa/d移相器
CN110867630A (zh) * 2019-11-27 2020-03-06 武汉虹信通信技术有限责任公司 介质移相器
CN212542636U (zh) * 2020-08-12 2021-02-12 昆山恩电开通信设备有限公司 一种应用于5g系统的高性能腔体移相器

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