WO2020237737A1 - Réflecteur d'antenne - Google Patents

Réflecteur d'antenne Download PDF

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Publication number
WO2020237737A1
WO2020237737A1 PCT/CN2019/091119 CN2019091119W WO2020237737A1 WO 2020237737 A1 WO2020237737 A1 WO 2020237737A1 CN 2019091119 W CN2019091119 W CN 2019091119W WO 2020237737 A1 WO2020237737 A1 WO 2020237737A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting ring
antenna reflector
split
inner connecting
outer connecting
Prior art date
Application number
PCT/CN2019/091119
Other languages
English (en)
Chinese (zh)
Inventor
廖东
Original Assignee
摩比科技（深圳）有限公司
摩比通讯技术（吉安）有限公司
摩比科技(西安)有限公司
摩比天线技术（深圳）有限公司
深圳市晟煜智慧网络科技有限公司
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 摩比科技（深圳）有限公司, 摩比通讯技术（吉安）有限公司, 摩比科技(西安)有限公司, 摩比天线技术（深圳）有限公司, 深圳市晟煜智慧网络科技有限公司 filed Critical 摩比科技（深圳）有限公司
Publication of WO2020237737A1 publication Critical patent/WO2020237737A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/088—Quick-releasable antenna elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave

Definitions

  • the present invention relates to the technical field of base station antenna equipment, in particular to an antenna reflector.
  • microwave antennas Transmitting or receiving antennas that work in meter wave, centimeter wave, millimeter wave and other bands are collectively called microwave antennas.
  • Microwaves mainly rely on space waves to propagate.
  • the antenna is set up relatively high.
  • parabolic antennas are the most widely used, and parabolic reflectors are one of the main components of parabolic microwave antennas.
  • the large-aperture microwave antenna has the advantages of long transmission distance and high gain, and has a large market demand in the modern mobile communication market.
  • the current large-caliber parabolic reflectors are mostly integrated structures. Due to their large size and high loading and transportation costs, there is less and less competitive advantage in the increasingly competitive base station antenna market.
  • the purpose of the present invention is to provide an antenna reflector, which aims to solve the technical problem of high loading and transportation cost of the existing large-caliber parabolic reflector.
  • an antenna reflector including:
  • a plurality of split bodies are combined to form a parabolic reflecting surface, each of the split bodies is provided with back ribs, and the back ribs of the plurality of split bodies are arranged at intervals along the circumference of the reflecting surface;
  • the inner connecting ring is detachably connected with a plurality of the back ribs;
  • the outer connecting ring is arranged on the periphery of the inner connecting ring and is respectively detachably connected with the plurality of back ribs.
  • each of the back ribs is provided with a splicing assembly that is detachably connected to the inner connecting ring and the outer connecting ring, and the splicing assembly includes a split body The base, and a fixing plate arranged on the base and extending in a direction away from the split body, the inner connecting ring and the outer connecting ring are respectively detachably connected to the corresponding fixing plate.
  • the fixing plate is arranged obliquely toward the center line of the reflecting surface, and the inner connecting ring and the outer connecting ring are respectively attached to the corresponding distance from the fixing plate.
  • the fixing plate further includes a supporting portion extending toward one side of the fixing plate, and the inner connecting ring and the outer connecting ring respectively abut against the corresponding supporting portion. One side away from the split body.
  • the splicing assembly further includes screws, and the inner connecting ring and the outer connecting ring are respectively arranged on the corresponding fixing plate by the corresponding screws.
  • the curvature of the back rib is the same as the curvature of the split body.
  • the split body includes an arc-shaped edge located at an end of the inner connecting ring away from the outer connecting ring, and an arc edge located at an end of the outer connecting ring away from the inner connecting ring. Curved flanging.
  • the antenna reflector further includes a back ring disposed on a side of the inner connecting ring away from the outer connecting ring, and a plurality of the split bodies are respectively connected to the back The ring can be detachably connected.
  • the antenna reflector further includes a plurality of L-shaped connecting pieces, and the back loop is detachably connected to the split body through the connecting pieces.
  • the antenna reflector includes six split bodies, and each split body is provided with two back ribs at intervals.
  • the antenna reflector provided by the present invention includes a plurality of split bodies, an inner connecting ring and an outer connecting ring, wherein the plurality of split bodies are combined to form a parabolic reflecting surface, and each split body is provided with a back rib.
  • the back ribs of each split body are arranged at intervals along the circumferential direction of the reflecting surface, the inner connecting ring is detachably connected to the multiple back ribs, and the outer connecting ring is arranged on the periphery of the inner connecting ring and is detachably connected to the multiple split bodies.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an antenna reflector provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a three-dimensional structure of a split body provided by an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a three-dimensional structure of a back rib provided by an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a three-dimensional structure of an inner connecting ring and an outer connecting ring provided by an embodiment of the present invention
  • Fig. 5 is a schematic diagram of a three-dimensional structure of a back ring provided by an embodiment of the present invention.
  • an antenna reflector including:
  • multiple split bodies 1, and multiple split bodies 1 are combined to form a parabolic reflecting surface (that is, the reflection surface of the antenna reflector), and the back side of each split body 1 is provided with back ribs 3, and multiple split bodies 1
  • the back ribs 3 of the petal body 1 are arranged at intervals along the circumferential direction of the reflecting surface.
  • the back ribs 3 of the above-mentioned multiple split bodies 1 are arranged radially and symmetrically.
  • the back of the split body 1 means that the split body 1 is far away from the reflecting surface.
  • the inner connecting ring 4 is detachably connected to a plurality of back ribs 3, which can be specifically but not limited to be connected by screws; and
  • the outer connecting ring 5 is arranged on the periphery of the inner connecting ring 4 and is respectively detachably connected to a plurality of back ribs 3, which can be specifically but not limited to be connected by screws.
  • the antenna reflector of the embodiment of the present invention includes a plurality of split bodies 1, an inner connecting ring 4, and an outer connecting ring 5.
  • the plurality of split bodies 1 are combined to form a parabolic reflecting surface, and each split body 1 is provided with There are back ribs 3, the back ribs 3 of the multiple split bodies 1 are arranged at intervals along the circumference of the reflecting surface, the inner connecting ring 4 is detachably connected to the multiple back ribs 3, and the outer connecting ring 5 is arranged on the periphery of the inner connecting ring 4 And they are detachably connected to multiple split bodies 1.
  • split body 1 is detachable, multiple split bodies 1 can be overlapped and packaged, which greatly reduces packaging size, facilitates hoisting and transportation, and greatly saves transportation costs.
  • the split bodies 1 are respectively connected with the inner connecting ring 4 and the outer connecting ring 5, so that the assembled antenna reflector is stronger.
  • each split body 1 may be the same or different.
  • the shape and size of each split body 1 are set to be the same, so that each split body 1 can be manufactured from the same set of molds, which greatly reduces the production cost of the split body 1.
  • multiple split bodies 1 can be completely overlapped together, which can greatly reduce the packaging size, facilitate hoisting and transportation, and greatly save transportation costs.
  • the number of split bodies 1 when the number of split bodies 1 is small, the volume of a single split body 1 is large, which is not conducive to hoisting or transportation; when the number of split bodies 1 is too large, on-site assembly efficiency will be reduced.
  • the number of split bodies 1 should be set to 3-8, preferably 6, so as to facilitate transportation and ensure good assembly efficiency. It can be understood that the number of split bodies 1 can also be appropriately modified according to actual requirements. For example, the number of split bodies 1 can also be more than 8, which is not limited in this embodiment.
  • each split body 1 is in the shape of a six-part paraboloid, and is formed by a complete six-part paraboloid cut, specifically by passing through the center of the paraboloid.
  • the six planes of the line are cut to define that the end of the split body 1 away from the centerline of the parabola (reflecting surface) is the telecentric end, and the end close to the centerline of the parabola (reflecting surface) is the proximal end.
  • Split body 1 The arc length gradually decreases from the distal end to the proximal end.
  • the back rib 3 can be arranged on the back of the split body 1 by means of a connecting piece.
  • the back rib 3 can be riveted by rivets before leaving the factory or at the installation site of the antenna reflector.
  • the back side of the split body 1, and according to actual selection, in order to omit the assembly steps of the back rib 3, the back rib 3 may also be integrally formed with the split body 1, which is not limited in this embodiment.
  • each back rib 3 is provided with a splicing assembly that is detachably connected to the inner connecting ring 4 and the outer connecting ring 5, and the splicing assembly includes a split body 1.
  • Two fixing plates 32 corresponding to the inner connecting ring 4 and the outer connecting ring 5 are spaced apart on the base 31,
  • the base 31 is provided with an inner connecting ring 4 and an outer connecting ring 5 at intervals that are respectively detachably connected to the corresponding fixing plate 32, which can be specifically but not limited to a screw connection.
  • the fixing plate 32 is arranged obliquely toward the center line of the parabola (reflecting surface), and the inner connecting ring 4 and the outer connecting ring 5 are respectively attached to the corresponding fixing plate 32 away from the center line of the parabola (reflecting surface).
  • the shape of the split body 1 is special.
  • the arc length of the split body 1 gradually decreases from the distal end to the proximal end.
  • the inner connecting ring 4 and the outer connecting ring 5 apply a parabolic surface (reflecting surface) to the fixed plate 32.
  • the centripetal thrust force of the center line of) makes the sides of each split body 1 tightly connected to achieve an almost seamless connection effect.
  • the structure of the antenna reflector is compact, which greatly improves the mechanical strength of the antenna reflector.
  • the splicing assembly also includes screws.
  • a first fixing hole 712 may be provided on the fixing plate 32, and the inner connecting ring 4 and the outer connecting ring 5 are respectively provided corresponding to the first fixing holes 712
  • the first mounting hole 711 is threadedly connected with the corresponding first fixing hole 712 through the first mounting hole 711 by a screw, so that the inner connecting ring 4 and the outer connecting ring 5 are arranged on the corresponding fixing plate 32, which is convenient for disassembly and assembly. Reduce the workload of site installation of base stations.
  • the fixing plate 32 further includes a support portion 321 extending toward the side away from the proximal end. The ends of the inner connecting ring 4 and the outer connecting ring 5 close to the split body 1 respectively abut against the corresponding support portion 321 away from the split valve.
  • the support portion 321 can play a role in positioning, so that the connection position of the inner connecting ring 4 and the corresponding different fixing plate 32 is the same, and the connection position of the outer connecting ring 5 and the corresponding different fixing plate 32 It is the same to ensure that the force of each fixing plate 32 is uniform, so that the centripetal pressing force of each split body 1 is equal, which effectively improves the stability of the antenna reflector installation, and on the other hand, it can also improve the assembly efficiency.
  • each split body 1 is provided with at least one back rib 3, and multiple back ribs 3 are evenly arranged in the circumferential direction, so that the inner connecting ring 4 and the outer connecting ring 5 uniformly apply centripetal to the split body 1 respectively. Resisting force.
  • a total of 6 split bodies 1 are included, and each split body 1 is provided with two back ribs 3, that is, a total of 12 back ribs 3 are provided. 3 It is evenly distributed at 30° intervals in the circumferential direction, and is arranged symmetrically in a radial shape, which effectively improves the stability and mechanical strength of the antenna reflector installation.
  • the curvature of the back rib 3 is the same as the curvature of the split body 1.
  • the curvature of the base 31 of the back rib 3 is the same as the curvature of the split body 1.
  • the antenna reflector further includes a back ring 2 located on the side of the inner connecting ring 4 away from the outer connecting ring 5, and the back ring 2 is annular
  • the shape of the ring may specifically, but is not limited to, a circular ring structure.
  • the multiple split bodies 1 are detachably connected with the back ring 2 to further improve the stability and mechanical strength of the antenna reflector installation.
  • the antenna reflector further includes a plurality of L-shaped connecting pieces 6 which are evenly arranged along the circumferential direction of the reflecting surface.
  • the connecting pieces 6 include a vertical portion 61 and a connection between one end and the vertical portion 61.
  • the vertical portion 61 of the connecting piece 6 is provided with a plurality of second mounting holes 721 at intervals, and the transverse portion 62 is provided with a plurality of third mounting holes 731 at intervals, and the back ring 2
  • the second mounting holes 721 corresponding to the plurality of connecting pieces 6 are respectively provided with second fixing holes 722, and the third mounting holes 731 of the plurality of connecting pieces 6 corresponding to the back of the split body 1 are provided with third fixing holes 732.
  • the third fixing holes 732 of the split body 1 are evenly distributed along the circumferential direction of the reflecting surface, and rivets are used to pass through the second mounting holes 721 and riveted to the corresponding second fixing holes 722 to realize the vertical portion 61 and the back ring 2
  • the rigid connection between the base stations effectively reduces the workload of the site installation of the base station; and the screw threaded through the third mounting hole 731 and the corresponding third fixing hole 732 is used to realize the detachable connection between the transverse portion 62 and the split body 1 , Easy to disassemble and assemble.
  • the split body 1 includes an arc-shaped edge at an end of the inner connecting ring 4 away from the outer connecting ring 5, and an arc-shaped flange at an end of the outer connecting ring 5 away from the inner connecting ring 4 , That is, the arc edge is located at the proximal end of the split body 1, and the arc flanging is located at the distal end of the split body 1.
  • the arc edges of the multiple split bodies 1 Form a complete round edge, so that when the multiple split bodies 1 are against each other, the force is evenly applied; multiple arc-shaped flanges form a complete circular flange, and the arc-shaped flange can increase the adjacent points.
  • the contact area of the lobes 1 makes the multiple split lobes 1 more securely assembled together, which effectively improves the stability and mechanical strength of the antenna reflector installation.
  • the diameter of the circle defining the largest diameter of the reflecting surface is D
  • the diameter of the back ring 2 is The diameter of the inner connecting ring 4 is The diameter of the outer connecting ring 5 is At this time, the antenna reflector composed of multiple split bodies 1 has the best stability and mechanical strength.
  • the split body 1, the back ring 2, the inner connecting ring 4 and the outer connecting ring 5 can be transported to the site of the base station before being assembled.
  • the assembly process is as follows:

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  • Aerials With Secondary Devices (AREA)

Abstract

La présente solution se rapporte au domaine technique des dispositifs d'antenne de station de base et concerne un réflecteur d'antenne. Le réflecteur d'antenne de la présente solution comprend de multiples corps séparés, une bague de liaison interne et une bague de liaison externe, les multiples corps séparés étant épissés dans une surface réfléchissante parabolique, chaque corps séparé étant pourvu de nervures arrière, et les nervures arrière des multiples corps séparés étant agencées à intervalles dans la direction circonférentielle de la surface réfléchissante, la bague de liaison interne étant reliée amovible aux multiples nervures arrière respectivement, la bague de liaison externe étant agencée au niveau de la périphérie de la bague de liaison interne et reliée amovible aux multiples corps séparés respectivement ; étant donné que les multiples corps séparés sont amovibles, ces derniers peuvent être superposés pour l'emballage, ce qui réduit considérablement la taille de l'emballage, facilite le levage et le transfert, et réduit considérablement le coût de transport.
PCT/CN2019/091119 2019-05-29 2019-06-13 Réflecteur d'antenne WO2020237737A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910454785.2 2019-05-29
CN201910454785.2A CN110137694A (zh) 2019-05-29 2019-05-29 一种天线反射器

Publications (1)

Publication Number Publication Date
WO2020237737A1 true WO2020237737A1 (fr) 2020-12-03

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ID=67582583

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/091119 WO2020237737A1 (fr) 2019-05-29 2019-06-13 Réflecteur d'antenne

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CN (1) CN110137694A (fr)
WO (1) WO2020237737A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997927A2 (fr) * 1998-10-29 2000-05-03 Canon Kabushiki Kaisha Applicateur de microondes avec guide d'ondes annulaire, dispositif et procédé de traitement par plasma utilisant ledit applicateur
CN101853986A (zh) * 2010-05-24 2010-10-06 哈尔滨工业大学 一种基于形状记忆聚合物的可充气展开天线反射面及其反射表面片、蒙皮的制作方法
CN203859231U (zh) * 2014-05-06 2014-10-01 西安普天天线有限公司 一种分瓣结构的微波抛物面天线反射器
CN208111663U (zh) * 2018-04-04 2018-11-16 盐城市星地通信设备有限公司 一种便携式卫星天线
CN208723101U (zh) * 2018-06-21 2019-04-09 肇庆市高要区祥嘉盛金属制品有限公司 一种折边组合式抛物面天线

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971023A (en) * 1974-12-30 1976-07-20 Taggart Robert B Parabolic reflector assembled from triangular shaped petals
US4841305A (en) * 1988-02-01 1989-06-20 Dalsat, Inc. Method of sectioning an antennae reflector
CN209691961U (zh) * 2019-05-29 2019-11-26 摩比科技（深圳）有限公司 一种天线反射器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997927A2 (fr) * 1998-10-29 2000-05-03 Canon Kabushiki Kaisha Applicateur de microondes avec guide d'ondes annulaire, dispositif et procédé de traitement par plasma utilisant ledit applicateur
CN101853986A (zh) * 2010-05-24 2010-10-06 哈尔滨工业大学 一种基于形状记忆聚合物的可充气展开天线反射面及其反射表面片、蒙皮的制作方法
CN203859231U (zh) * 2014-05-06 2014-10-01 西安普天天线有限公司 一种分瓣结构的微波抛物面天线反射器
CN208111663U (zh) * 2018-04-04 2018-11-16 盐城市星地通信设备有限公司 一种便携式卫星天线
CN208723101U (zh) * 2018-06-21 2019-04-09 肇庆市高要区祥嘉盛金属制品有限公司 一种折边组合式抛物面天线

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