EP4362229A1 - Antenne - Google Patents

Antenne Download PDF

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Publication number
EP4362229A1
EP4362229A1 EP22204430.7A EP22204430A EP4362229A1 EP 4362229 A1 EP4362229 A1 EP 4362229A1 EP 22204430 A EP22204430 A EP 22204430A EP 4362229 A1 EP4362229 A1 EP 4362229A1
Authority
EP
European Patent Office
Prior art keywords
power distribution
layer
radiation
main body
electrically connected
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP22204430.7A
Other languages
German (de)
English (en)
Inventor
Pengfei LYU
Mingxing LIU
Hui Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Fingu Electronic Technology Co Ltd
Original Assignee
Wuhan Fingu Electronic Technology Co Ltd
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 Wuhan Fingu Electronic Technology Co Ltd filed Critical Wuhan Fingu Electronic Technology Co Ltd
Priority to EP22204430.7A priority Critical patent/EP4362229A1/fr
Publication of EP4362229A1 publication Critical patent/EP4362229A1/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
    • 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
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration

Definitions

  • the present disclosure relates to the field of antennas, and particularly relates to an antenna.
  • a radiation sheet needs to be etched on a PCB, then a plastic supporting structure is additionally installed on the PCB, then a guide sheet is installed on the plastic supporting structure, a filtering structure needs to be manufactured independently, and finally the PCB, the plastic supporting structure, the guide sheet and the filtering structure are assembled together to form the antenna.
  • the cost of the PCB is relatively high, the overall antenna structure is complex, and the assembly of the antenna requires a large amount of working hours.
  • the main purpose of the present disclosure is to provide an antenna.
  • an antenna including: a main body structure having a first surface, and the main body structure is made of plastic, and the main body structure is of an integrally formed structure; a radiation layer, and the radiation layer is electroplated on the first surface; and a power distribution layer, and the power distribution layer is electroplated on the first surface, the power distribution layer is electrically connected to the radiation layer , and the power distribution layer feeds the radiation layer.
  • the main body structure includes a support member, the support member is located on the first surface, the antenna further includes a guide sheet, the guide sheet is located on the support member, and the guide sheet and the radiation layer are oppositely arranged at intervals.
  • the distance between the guide sheet and the radiation layer is determined by the material of the guide sheet, the size of the guide sheet, the material of the radiation layer and the size of the radiation layer.
  • the main body structure includes a protruding structure, a first hole is formed in the center of the protruding structure in a penetration mode, a metal column is buried in the first hole, an electrical signal is input from the metal column, a first end of the power distribution layer is electrically connected to the metal column, and a second end of the power distribution layer is electrically connected to the radiation layer.
  • two protruding structures are provided, which are respectively a first protruding structure and a second protruding structure
  • two metal columns are provided, which are respectively a first metal column and a second metal column
  • the power distribution layer includes a first power distribution line and a second power distribution line, the first end of the first power distribution line is electrically connected to the first metal column, the second end of the first power distribution line is electrically connected to the power distribution layer, so as to realize a positive 45-degree radiation feed structure, the first end of the second power distribution line is electrically connected to the second metal column, and the second end of the second power distribution line is electrically connected to the power distribution layer, so as to realize a negative 45-degree radiation feed structure.
  • the radiation layer is in the shape of a square with two chamfers, the two chamfers are adjacent to each other, the second end of the first power distribution line is electrically connected to a first right angle of the square, so as to realize positive 45-degree radiation, and the second end of the second power distribution line is electrically connected to a second right angle of the square, so as to realize negative 45-degree radiation.
  • the antenna further includes a reflective metal plate, and the reflective metal plate (50) is embedded in the main body structure.
  • the main body structure includes a filter cavity, and the filter cavity is located on the side of the reflective metal plate that is away from the first surface.
  • the antenna further includes a filtering structure, and the filtering structure is located on the filter cavity.
  • the filtering structure includes a cover plate, a plurality of resonators and a plurality of tuning screws, a plurality of second holes are formed in the cover plate, and the filtering structure is installed on the filter cavity by means of the resonators.
  • a method for manufacturing an antenna including: a reflective metal plate is prepared; the reflective metal plate in a mold is placed, and injection molding is performed to form a main body structure; and a radiation layer and a power distribution layer are electroplated on a first surface of the main body structure, and the power distribution layer is electrically connected to the radiation layer , and the power distribution layer feeds the radiation layer.
  • the method further includes: a filtering structure is made, and the filtering structure comprises a cover plate, a plurality of resonators and a plurality of tuning screws; and a plurality of second holes are formed in the cover plate, and the tuning screws is mounted in the second holes, and portions of the tuning screws, which protrude from the second holes, extend into holes in the bottoms of the resonators.
  • the main body structure is provided with a filter cavity, a plurality of grooves are formed in the filter cavity, and the method further includes: protrusion portions of the resonators are embedded into the grooves of the filter cavity.
  • the method further includes: the extension depths of the portions of the tuning screws are adjusted, which protrude from the second holes, into the holes in the bottoms of the resonators, so as to adjust the frequency of an electromagnetic field.
  • a electronic device including an antenna.
  • the above drawings include the following reference signs: 10. main body structure; 11. first surface; 12. support member; 13. protruding structure; 130, first hole; 14. filter cavity; 140. groove; 15. filtering structure; 150. cover plate; 1500. second hole; 151. resonator; 152. tuning screw; 20. radiation layer; 30. power distribution layer; 40. guide sheet; 50. reflective metal plate.
  • embodiments of the present disclosure provide an antenna.
  • a typical embodiment of the present disclosure provides an antenna, as shown in Fig. 1 and Fig. 3 , including:
  • the main body structure is formed by an injection molding machine in an injection molding manner, then the radiation layer and the power distribution layer are electroplated on the first surface of the main body structure, and the power distribution layer feeds the radiation layer to realize antenna radiation.
  • the radiation layer and the power distribution layer can be electroplated without a PCB, thereby saving the cost.
  • the antenna can be assembled just by electroplating the radiation layer and the power distribution layer on the main body structure, therefore the overall structure is simple, components are reduced, and the process is simple, thereby saving a large amount of time costs.
  • various portions of the antenna are assembled together without manpower, thereby avoiding errors of manual operations, and reducing the defective rate.
  • the main body structure 10 includes a support member 12, the support member 12 is installed on the first surface 11, the antenna further includes a guide sheet 40, the guide sheet 40 is installed on the support member 12, and the guide sheet 40 and the radiation layer 20 are oppositely arranged at intervals. Since the guide sheet 40 and the radiation layer 20 are oppositely arranged at intervals, the radiation capability of the antenna is enhanced, and the gain is improved.
  • the support member 12 is provided with a protrusion, a hole is formed in the guide sheet in a penetration manner, and the protrusion passes through the hole in the guide sheet, so as to fix the guide sheet on the support member.
  • the distance between the guide sheet 40 and the radiation layer 20 is determined by the material of the guide sheet 40, the size of the guide sheet 40, the material of the radiation layer 20 and the size of the radiation layer 20.
  • the material of the guide sheet 40 and the radiation layer 20 is a metal, the sizes and specific materials of the guide sheet 40 and the radiation layer 20 may be set according to actual needs, and after the sizes and specific materials of the guide sheet 40 and the radiation layer 20 are determined, the distance between the guide sheet 40 and the radiation layer 20 is determined, so as to achieve a better radiation effect, so that the gain meets requirements.
  • the guide sheet 40 is fixed on the support member 12. That is, the guide sheet 40 is a separately manufactured structure.
  • the material of the guide sheet is copper, aluminum, steel, gold and silver
  • the material of the radiation layer is nickel, tin, gold and silver
  • the size of the guide sheet is 30.1 mm*28.4 mm
  • the size of the radiation layer is 21.5 mm*21 mm
  • the distance between the guide sheet and the radiation layer is set to be 5.6 mm.
  • the area of the guide sheet is greater than that of the radiation layer.
  • the guide sheet is in the shape of a rectangle. By means of such a setting, radiation can be enhanced.
  • a plurality of guide sheets are provided, and the plurality of the guide sheets are arranged at intervals at the same height.
  • the radiation can be enhanced by arranging the plurality of guide sheets at intervals at the same height.
  • the main body structure 10 includes a protruding structure 13, a first hole 130 is formed in the center of the protruding structure 13 in a penetration mode, a metal column is buried in the first hole 130, an electrical signal is input from the metal column, a first end of the power distribution layer 30 is electrically connected to the metal column, and a second end of the power distribution layer 30 is electrically connected to the radiation layer 20. That is, the electrical signal input from the metal column is then transmitted to the power distribution layer 30, and the power distribution layer 30 feeds the radiation layer 20.
  • two protruding structures 13 are provided, which are respectively a first protruding structure and a second protruding structure
  • two metal columns are provided, which are respectively a first metal column and a second metal column
  • the power distribution layer 30 includes a first power distribution line and a second power distribution line, the first end of the first power distribution line is electrically connected to the first metal column, the second end of the first power distribution line is electrically connected to the power distribution layer 30, so as to realize a positive 45-degree radiation feed structure, the first end of the second power distribution line is electrically connected to the second metal column, and the second end of the second power distribution line is electrically connected to the power distribution layer 30, so as to realize a negative 45-degree radiation feed structure.
  • the radiation layer 20 is in the shape of a square with two chamfers, the two chamfers are adjacent to each other, the second end of the first power distribution line is electrically connected to a first right angle of the square, so as to realize positive 45-degree radiation, and the second end of the second power distribution line is electrically connected to a second right angle of the square, so as to realize negative 45-degree radiation.
  • the antenna further includes a reflective metal plate 50, and the reflective metal plate 50 is embedded in the main body structure 10.
  • the reflective metal plate 50 functions to reflect electromagnetic waves, so that the electromagnetic waves are radiated in one direction.
  • the main body structure 10 includes a filter cavity 14, and the filter cavity 14 is located on the side of the reflective metal plate 50 that is away from the first surface 11.
  • the antenna further includes a filtering structure 15, the material of the filtering structure 15 is a metal or a medium with a metal-plated surface, and the filtering structure 15 is located on the filter cavity 14.
  • the filter cavity 14 and the filtering structure 15 work together to filter the electrical signal.
  • An inner wall of the filter cavity 14 is plated with a metal.
  • a plurality of grooves 140 are formed in the filter cavity 14, the filtering structure 15 includes a cover plate 150, a plurality of resonators 151 and a plurality of tuning screws 152, a plurality of second holes 1500 are formed in the cover plate 150, and the filtering structure 15 is installed on the filter cavity 14 by means of the resonators 151.
  • the second hole 1500 is a threaded hole, the tuning screw 152 passes through the threaded hole, a hole is formed in the bottom of the resonator 151, and the frequency of an electromagnetic field is adjusted by adjusting the depth of the tuning screw 152 in the hole in the bottom of the resonator 151.
  • a protrusion portion of the resonator 151 is embedded in the groove of the filter cavity. That is, to manufacture the antenna in the present disclosure, only the guide sheet, the reflective metal plate and the filter structure need to be manufactured separately, and the rest components are integrally formed, such that the structure is simple, and the assembly process is simple.
  • Some embodiments of the present application further relate to a manufacturing method of an antenna, as shown in Fig. 6 , including the following steps:
  • a reflective metal plate is prepared at first, then the reflective metal plate is placed in the mold, injection molding is performed to form the main body structure, afterwards, the radiation layer and the power distribution layer are electroplated on the first surface of the main body structure, the power distribution layer is electrically connected to the radiation layer, and the power distribution layer feeds the radiation layer.
  • the main body structure is formed by an injection molding machine in an injection molding manner, then the radiation layer and the power distribution layer are electroplated on the first surface of the main body structure, and the power distribution layer feeds the radiation layer to realize antenna radiation.
  • the radiation layer and the power distribution layer can be electroplated without a PCB, thereby saving the cost.
  • the antenna can be assembled just by electroplating the radiation layer and the power distribution layer on the main body structure, therefore the overall structure is simple, components are reduced, and the process is simple, thereby saving a large amount of time costs.
  • various portions of the antenna are assembled together without manpower, thereby avoiding errors of manual operations, and reducing the defective rate.
  • the method further includes: a filtering structure is made, and the filtering structure comprises a cover plate, a plurality of resonators and a plurality of tuning screws; and a plurality of second holes are formed in the cover plate, and the tuning screws is mounted in the second holes, and portions of the tuning screws, which protrude from the second holes, extend into holes in the bottoms of the resonators.
  • the main body structure is provided with a filter cavity, a plurality of grooves (140) are formed in the filter cavity, and the method further includes: embedding protrusion portions of the resonators (151) into the grooves (140) of the filter cavity.
  • the method further includes: the extension depths of the portions of the tuning screws are adjusted, which protrude from the second holes, into the holes in the bottoms of the resonators, so as to adjust the frequency of an electromagnetic field.
  • Some other embodiments of the present application further provide an electronic device, including: the antenna in the above embodiments.
  • the antenna since the main body structure of the antenna is of an integrally formed structure, the antenna can be assembled just by electroplating the radiation layer and the power distribution layer on the main body structure, therefore the overall structure is simple, components are reduced, and the process is simple, thereby saving a large amount of time costs, and the cost of the electronic device is thus reduced.
  • the present embodiment relates to a manufacturing process of the antenna, including the following steps:
  • the antenna in the present embodiment is simple in structure, is easy to assemble, requires no PCB, thus saving the cost, and has better radiation capability.
  • the embodiments of the present disclosure achieve the following technical effects:
  • the main body structure is formed by an injection molding machine in an injection molding manner, then the radiation layer and the power distribution layer are electroplated on the first surface of the main body structure, and the power distribution layer feeds the radiation layer to realize antenna radiation.
  • the radiation layer and the power distribution layer can be electroplated without a PCB, thereby saving the cost.
  • the antenna can be assembled just by electroplating the radiation layer and the power distribution layer on the main body structure, therefore the overall structure is simple, components are reduced, and the process is simple, thereby saving a large amount of time costs.
  • various portions of the antenna are assembled together without manpower, thereby avoiding errors of manual operations, and reducing the defective rate.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
EP22204430.7A 2022-10-28 2022-10-28 Antenne Pending EP4362229A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22204430.7A EP4362229A1 (fr) 2022-10-28 2022-10-28 Antenne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22204430.7A EP4362229A1 (fr) 2022-10-28 2022-10-28 Antenne

Publications (1)

Publication Number Publication Date
EP4362229A1 true EP4362229A1 (fr) 2024-05-01

Family

ID=84044362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22204430.7A Pending EP4362229A1 (fr) 2022-10-28 2022-10-28 Antenne

Country Status (1)

Country Link
EP (1) EP4362229A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111063996A (zh) * 2019-12-31 2020-04-24 华南理工大学 天线模块及5g天线
CN113013587A (zh) * 2021-04-16 2021-06-22 苏州硕贝德创新技术研究有限公司 基站天线滤波器集成模组及其阵列、制备方法
WO2021237418A1 (fr) * 2020-05-25 2021-12-02 瑞声声学科技(深圳)有限公司 Antenne, réseau d'antennes et station de base

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111063996A (zh) * 2019-12-31 2020-04-24 华南理工大学 天线模块及5g天线
WO2021237418A1 (fr) * 2020-05-25 2021-12-02 瑞声声学科技(深圳)有限公司 Antenne, réseau d'antennes et station de base
CN113013587A (zh) * 2021-04-16 2021-06-22 苏州硕贝德创新技术研究有限公司 基站天线滤波器集成模组及其阵列、制备方法

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