WO2023123739A1 - Multi-branch ultra-wideband radiation unit and antenna - Google Patents

Multi-branch ultra-wideband radiation unit and antenna Download PDF

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Publication number
WO2023123739A1
WO2023123739A1 PCT/CN2022/086853 CN2022086853W WO2023123739A1 WO 2023123739 A1 WO2023123739 A1 WO 2023123739A1 CN 2022086853 W CN2022086853 W CN 2022086853W WO 2023123739 A1 WO2023123739 A1 WO 2023123739A1
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Prior art keywords
radiation
guide piece
ultra
assembly
radiating
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PCT/CN2022/086853
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French (fr)
Chinese (zh)
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赖言罕
吴壁群
陈杰
张鹏
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广东博纬通信科技有限公司
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Publication of WO2023123739A1 publication Critical patent/WO2023123739A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way

Definitions

  • the invention relates to the technical field of mobile communication, in particular to a multi-node ultra-broadband radiation unit and an antenna.
  • the 2.4GHz frequency band and the 3.5GHz frequency band will be used as the general spectrum of 5G.
  • the requirements for 4G&5G fusion antennas that can cover the 2.3-3.8GHz frequency band have been put forward, but the multi-frequency and multi-system antennas used in the existing 4G mobile communications have not yet been designed for 2.3-3.8GHz, and with the development of 5G systems Integrating, the antenna radiation performance is bound to be more severely restricted.
  • the purpose of the present invention is to provide a radiation unit that can cover the 2.3-3.8GHz frequency band and is suitable for ultra-wideband in 4G&5G fusion antennas.
  • the radiation unit can cover two frequency bands of 2.3-2.7GHz and 3.3GHz-3.8GHz, and is compatible with FDD And the TDD working mode, by adding the radiation stub device of the corresponding frequency band, it can be better applied to the multi-frequency antenna system, and the independence of the electrical performance of each frequency band is guaranteed.
  • the present invention proposes a multi-node ultra-broadband radiation unit, the radiation unit includes a radiator, a feeder assembly and a guide sheet assembly installed on the radiator; the radiator includes a balun structure , a first radiating arm assembly and a second radiating arm assembly, the inner ends of the first radiating arm assembly and the second radiating arm assembly are respectively connected to the balun structure, and the second radiating arm assembly is located at the first Below the radial arm assembly.
  • a further improvement is that the first radiating arm assembly includes four first radiating arm branches arranged orthogonally, and two pairs of the four first radiating arm branches form a first dipole radiating arm;
  • the second radiating arm assembly includes four second radiating arm branches arranged orthogonally, and two pairs of the four second radiating arm branches form a second dipole radiating arm.
  • a further improvement is that the length of the first radiating arm branch is 1/8-1/4 times the wavelength of 2.3GHz-2.7GHz, and the length of the second radiating arm branch is 1/4 of the wavelength of 3.3GHz-3.8GHz. 8-1/4 times.
  • the first radiating arm branch includes a long radiating arm, one end of the long radiating arm is connected to the balun structure, and the other end is bent vertically downward to form a short radiating arm.
  • a further improvement is that hollow holes are provided on the first radiating arm branches.
  • a further improvement is that the four second radiating arm branches are arranged one by one directly under the four first radiating arm branches, and the size of the hollow hole is larger than the size of the second radiating arm branch.
  • balun structure is a hollow structure with an open top
  • the feed sheet assembly includes a feed sheet holder, a first feed sheet and a second feed sheet distributed across, and the feed sheet
  • the deck is installed in the position of the hollow structure, and the first feeder and the second feeder are installed inside the feeder deck, and are connected to the external circuit through the radiator feeder port at the bottom of the balun structure. feed.
  • the guide piece assembly includes a guide piece holder and a first guide piece, the guide piece holder is installed above the radiator, and the guide piece holder passes through the first guide piece.
  • the support column is installed with the first guide piece.
  • the guide piece assembly further includes a second guide piece, the second guide piece is installed on the first guide piece through a second support column, and the size of the second guide piece is smaller than The size of the first guide piece.
  • the present invention provides an antenna, including the multi-twig ultra-broadband radiation unit described in any one of the above.
  • the invention has a simple structure, can be integrally formed, has a high degree of integration, is conducive to improving production efficiency, and has ultra-wideband radiation characteristics, effectively widening the bandwidth of use. Compared with conventional antenna systems, the utilization rate of radiation units is improved and the degree of integration is higher. High, which makes the design of the antenna system more concise, and is conducive to the integration and sharing of the antenna system.
  • the diameter of the radiation unit of the invention is between 0.35 times the wavelength and 0.55 times the wavelength, and the dual-frequency radiation performance is integrated, which not only facilitates the realization of a miniaturized antenna, but also saves materials and reduces costs.
  • the invention is suitable for 2300-3800MHz communication system, and can form multi-frequency multi-system antenna with 700-2300MHz communication system.
  • Fig. 1 is a schematic diagram of the overall structure of a multi-branch ultra-broadband radiation unit of the present invention
  • Fig. 2 is a schematic diagram of the structure of a multi-branch ultra-broadband radiation unit of the present invention after the guide plate assembly is separated from the radiator;
  • Fig. 3 is an explosion diagram of a multi-branch ultra-broadband radiation unit of the present invention.
  • Fig. 4 is a schematic diagram of the radiator structure of a multi-branch ultra-broadband radiation unit of the present invention.
  • Fig. 5 is a schematic diagram of another viewing angle of the radiator of a multi-twig ultra-broadband radiation unit according to the present invention.
  • the first aspect of the embodiment of the present invention provides a multi-branch ultra-broadband radiation unit with a height of 0.25 to 0.3 times the wavelength of the center frequency of 2.3 to 3.8 GHz.
  • the radiator 1000 achieves an ultra-wideband effect and can be used in a multi-frequency antenna system.
  • the radiating unit includes a radiator 1000 and a feed sheet assembly and a guide sheet assembly installed on the radiator 1000;
  • the radiator 1000 includes a bar Lun structure, a first radiating arm assembly 1020 and a second radiating arm assembly 1010, the inner ends of the first radiating arm assembly 1020 and the second radiating arm assembly 1010 are respectively connected to the balun structure, and the second radiating arm
  • the component 1010 is located below the first radiating arm component 1020 to form a two-layer radiating arm, and the radiating body 1000 has a hollow double-layer "T"-shaped structure as a whole.
  • ground fixing post assemblies 1030 are provided at the bottom of the radiator 1000 , and the ground fixing post assembly 1030 includes four fixing posts 1031 , 1032 , 1033 , and 1034 .
  • the first radiating arm assembly 1020 includes four first radiating arm branches 1021 , 1022 , 1023 , 1024 arranged orthogonally, and the four first radiating arm branches 1021 , 1022 , 1023 , In 1024, paired in pairs to form the first dipole radiation arm, forming the upper layer "T" type dual polarization radiation unit.
  • the second radiating arm assembly 1010 includes four second radiating arm branches 1011, 1012, 1013, 1014 arranged orthogonally, and the four second radiating arm branches 1011, 1012, 1013, In 1014, paired in pairs to form the second dipole radiating arm, forming the lower "T" type dual-polarized radiating unit.
  • the lengths of the first radiating arm branches 1021 , 1022 , 1023 , 1024 are longer than the lengths of the second radiating arm branches 1011 , 1012 , 1013 , 1014 .
  • the length of the first radiating arm branches 1021, 1022, 1023, 1024 is 1/8-1/4 times the wavelength of 2.3GHz-2.7GHz
  • the length of the second radiating arm branches 1011, 1012, 1013, 1014 The length is 1/8-1/4 times of the wavelength of 3.3GHz ⁇ 3.8GHz.
  • each of the first radiating arm branches 1021, 1022, 1023, 1024 includes a long radiating arm, one end of the long radiating arm is connected to the balun structure, and the other end Bending vertically downwards to form short radiation arms.
  • the short radiation arms are formed by bending, which can be used to reduce the projected area of the first radiation arm assembly 1020 on the second radiation arm assembly 1010, which can reduce the impact on the second radiation arm assembly. The influence of the assembly 1010 saves space and facilitates the integral molding of the radiation unit.
  • each of the first radiating arm branches 1021 , 1022 , 1023 , 1024 is provided with a hollow hole 1025 , 1026 , 1027 , 1028 .
  • the four second radiating arm branches 1011, 1012, 1013, 1014 are arranged one by one directly under the four first radiating arm branches 1021, 1022, 1023, 1024, and the hollow holes 1025, 1026,
  • the size of 1027, 1028 is larger than the size of the second radiating arm branches 1011, 1012, 1013, 1014, that is, the projection planes of the hollow holes 1025, 1026, 1027, 1028 cover the second radiating arm branches 1011, 1012, 1013, Hollow holes 1025 , 1026 , 1027 , and 1028 can be provided on the projection surface of 1014 to reduce interference to the second radiation arm assembly 1010 .
  • the projection surfaces of the hollow holes 1025, 1026, 1027, and 1028 are
  • the balun structure is a hollow structure with an open top
  • the feed sheet assembly includes a feed sheet holder 2000 and first feed sheets 3010 distributed across and the second feed sheet 3020
  • the feed sheet holder 2000 is installed in the hollow structure position
  • the feed sheet holder 2000 is square
  • the feed sheet holder 2000 is provided with a feed sheet Card position
  • the first feed sheet 3010 and the second feed sheet 3020 are installed inside the feed sheet holder 2000 through the feed sheet clips
  • the first feed sheet 3010, the second feed sheet 3020 is in the shape of a fishhook, fixed inside the feeder holder 2000, and connected to the external circuit through the radiator feeder ports 1041 and 1042 at the bottom of the balun structure for feeding.
  • the guide piece assembly includes a guide card 4000 and a first guide piece 5000 , and the guide card holder 4000 is installed on the radiator 1000
  • the first guide piece 5000 is installed on the guide piece holder 4000 through the first support column 8000 .
  • the first guide piece 5000 can be circular or square, with 4 fixing holes designed on it, which can be fixed on the guide piece holder 4000 with four first support columns 8000 .
  • the guide holder 4000 is circular, and its bottom is designed with a buckle, which is fastened to the first radial arm branches 1021, 1022, 1023, 1024 through the buckle.
  • One side of the hollow holes 1025, 1026, 1027, 1028, and one side of the hollow holes 1025, 1026, 1027, 1028 are connected and fixed with buckles, so as to realize the fixing of the guide plate holder 4000.
  • the hollow holes 1025, 1026, 1027, 1028 can not only reduce the interference to the second radiation arm assembly 1010, but also provide a snap-fit position for the guide plate holder 4000, with a simple structure. It also saves materials and reduces costs.
  • the guide piece assembly further includes a second guide piece 7000 , and the first guide piece 5000 is installed on the first guide piece 5000 through the second support column 6000 .
  • the second guide piece 7000 preferably, the size of the second guide piece 7000 is smaller than the size of the first guide piece 5000.
  • the central part of the first guide piece 5000 is designed with a circular hole, which can be used to place the second support column 6000.
  • the second guide piece 7000 is circular or square.
  • the second support One end of the post 6000 is connected to the central hole of the second guide piece 7000 , and the other end is connected to the circular hole of the first guide piece 5000 .
  • the second aspect of this embodiment provides an antenna, including the multi-twig ultra-broadband radiation unit described in any one of the above embodiments.
  • the structure of the radiating unit refer to the above-mentioned embodiments, while the structures of other parts of the antenna belong to the common knowledge of those skilled in the art. Those skilled in the art can refer to the prior art, and this embodiment will not be described in detail here.
  • the present invention is simple in structure, can be integrally formed, has a high degree of integration, is conducive to improving production efficiency, and has ultra-wideband radiation characteristics, effectively widening the use bandwidth.
  • the radiation The unit utilization rate is improved and the integration is higher, which makes the design of the antenna system more concise, which is conducive to the integration and sharing of the antenna system.
  • the diameter of the radiation unit of the present invention is between 0.35 times the wavelength and 0.55 times the wavelength, and the integrated dual-frequency radiation performance not only facilitates the realization of a miniaturized antenna, but also saves materials and reduces costs.
  • the invention is suitable for 2300-3800MHz communication systems, and can form multi-frequency multi-system antennas with 700-2300MHz communication systems.

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Abstract

The present invention relates to a multi-branch ultra-wideband radiation unit and an antenna. The radiation unit comprises a radiator, and a feed piece assembly and a directing piece assembly that are mounted on the radiator; the radiator comprises a balun structure, a first radiation arm assembly, and a second radiation arm assembly, the inner ends of the first radiation arm assembly and the second radiation arm assembly being respectively connected to the balun structure, and the second radiation arm assembly being located below the first radiation arm assembly; the first radiation arm assembly comprises four orthogonally arranged first radiation arm branches, and every two of the four first radiation arm branches are paired to form a first dipole radiation arm; the second radiation arm assembly comprises four orthogonally arranged second radiation arm branches, and every two of the four second radiation arm branches are paired to form a second dipole radiation arm. The present invention is simple in structure, can be integrally formed, is high in integration level and beneficial to improve the production efficiency, and has an ultra-wideband radiation characteristic. Compared with conventional antenna systems, the utilized bandwidth is effectively widened, and the integration and sharing of an antenna system are facilitated.

Description

一种多枝节超宽频辐射单元及天线A multi-branch ultra-wideband radiation unit and antenna 技术领域technical field
本发明涉及移动通信技术领域,尤其涉及一种多枝节超宽频辐射单元及天线。The invention relates to the technical field of mobile communication, in particular to a multi-node ultra-broadband radiation unit and an antenna.
背景技术Background technique
随着5G商用的到来,5G移动通信网络建设的步伐也在逐步加快,各大运营商对5G移动通信设备的需求越来越急迫,而基站天线作为移动通信中的咽喉,其研究和开发也显得尤为重要。如今,4G LTE网络建设已趋于完善,5G网络建设尚处于起步阶段,因此将会面临着4G和5G长期共存的一个局面,4G&5G融合天线的需求也就应运而生。在5G移动通信商用之前,各大基站天线厂商将研究的重点集中在Massive MIMO有源天线,以期快速响应并匹配5G通信网络的需求,而对于4G&5G融合的无源天线的研究相对较少。4G&5G融合天线不但有多个不同频段的系统同时存在,还面临着FDD和TDD两种不同工作模式的系统同时存在,多个系统需融合在一副天线中,以减少占用铁塔的空间,降低网络建设成本,天线的研究和设计难度随之大幅提升。With the advent of 5G commercial use, the pace of 5G mobile communication network construction is also gradually accelerating. The demand for 5G mobile communication equipment by major operators is becoming more and more urgent. As the throat of mobile communication, the research and development of base station antennas are also appears to be particularly important. Today, 4G LTE network construction has tended to be perfect, and 5G network construction is still in its infancy. Therefore, it will face a situation of long-term coexistence of 4G and 5G, and the demand for 4G&5G integrated antennas will emerge as the times require. Before the commercialization of 5G mobile communications, major base station antenna manufacturers focused their research on Massive MIMO active antennas in order to quickly respond to and match the needs of 5G communication networks, while there were relatively few studies on passive antennas for 4G&5G integration. The 4G&5G fusion antenna not only has multiple systems with different frequency bands existing at the same time, but also faces the simultaneous existence of systems with two different working modes, FDD and TDD. The construction cost and the difficulty of antenna research and design have increased significantly.
根据中国三大运营商公布的5G频谱,2.4GHz频段,3.5GHz频段作为5G的通用频谱,其应用范围将会越来越广泛,且在海外也有了同样类似的应用需求,针对应用场景,市场上提出了可涵盖2.3-3.8GHz频段的4G&5G融合天线的需求,而现有的4G移动通信中所使用的多频多系统天线,尚未有针对2.3-3.8GHz的设计,且随着5G系统的融入,天线辐射性能势必会受到更严重的限制。According to the 5G spectrum announced by China's three major operators, the 2.4GHz frequency band and the 3.5GHz frequency band will be used as the general spectrum of 5G. The requirements for 4G&5G fusion antennas that can cover the 2.3-3.8GHz frequency band have been put forward, but the multi-frequency and multi-system antennas used in the existing 4G mobile communications have not yet been designed for 2.3-3.8GHz, and with the development of 5G systems Integrating, the antenna radiation performance is bound to be more severely restricted.
发明内容Contents of the invention
本发明的目的在于提供一种能够涵盖2.3-3.8GHz频段并适用于4G&5G融合天线中的超宽频的辐射单元,该辐射单元可覆盖2.3~2.7GHz,3.3GHz~3.8GHz两个频段,兼容FDD和TDD工作模式,通过增加对应的频段的辐射枝节装置,使其能较优的适用于多频天线系统中,保障各频段的各项电性能的独立性。The purpose of the present invention is to provide a radiation unit that can cover the 2.3-3.8GHz frequency band and is suitable for ultra-wideband in 4G&5G fusion antennas. The radiation unit can cover two frequency bands of 2.3-2.7GHz and 3.3GHz-3.8GHz, and is compatible with FDD And the TDD working mode, by adding the radiation stub device of the corresponding frequency band, it can be better applied to the multi-frequency antenna system, and the independence of the electrical performance of each frequency band is guaranteed.
为实现本发明的目的,采用以下技术方案:For realizing the purpose of the present invention, adopt following technical scheme:
第一方面,本发明提出一种多枝节超宽频辐射单元,所述辐射单元包括辐射体以及安装在所述辐射体上的馈电片组件和引向片组件;所述辐射体包括巴伦结构、第一辐射臂组件和第二辐射臂组件,所述第一辐射臂组件和第二辐射臂组件的内端分别与所述巴伦结构相连,所述第二辐射臂组件位于所述第一辐射臂组件的下方。In the first aspect, the present invention proposes a multi-node ultra-broadband radiation unit, the radiation unit includes a radiator, a feeder assembly and a guide sheet assembly installed on the radiator; the radiator includes a balun structure , a first radiating arm assembly and a second radiating arm assembly, the inner ends of the first radiating arm assembly and the second radiating arm assembly are respectively connected to the balun structure, and the second radiating arm assembly is located at the first Below the radial arm assembly.
进一步的改进在于,所述第一辐射臂组件包括四个正交排置的第一辐射臂枝节,四个所述第一辐射臂枝节中两两配对组成第一偶极子辐射臂;所述第二辐射臂组件包括四个正交排置的第二辐射臂枝节,四个所述第二辐射臂枝节中两两配对组成第二偶极子辐射臂。A further improvement is that the first radiating arm assembly includes four first radiating arm branches arranged orthogonally, and two pairs of the four first radiating arm branches form a first dipole radiating arm; The second radiating arm assembly includes four second radiating arm branches arranged orthogonally, and two pairs of the four second radiating arm branches form a second dipole radiating arm.
进一步的改进在于,所述第一辐射臂枝节的长度为2.3GHz~2.7GHz波长的1/8-1/4倍,所述第二辐射臂枝节的长度为3.3GHz~3.8GHz波长的1/8-1/4倍。A further improvement is that the length of the first radiating arm branch is 1/8-1/4 times the wavelength of 2.3GHz-2.7GHz, and the length of the second radiating arm branch is 1/4 of the wavelength of 3.3GHz-3.8GHz. 8-1/4 times.
进一步的改进在于,所述第一辐射臂枝节包括辐射长臂,所述辐射长臂的一端与所述巴伦结构相连,另一端垂直向下折弯形成辐射短臂。A further improvement is that the first radiating arm branch includes a long radiating arm, one end of the long radiating arm is connected to the balun structure, and the other end is bent vertically downward to form a short radiating arm.
进一步的改进在于,所述第一辐射臂枝节上设置有镂空孔。A further improvement is that hollow holes are provided on the first radiating arm branches.
进一步的改进在于,四个所述第二辐射臂枝节一一对应设置在四个所述第一辐射臂枝节的正下方,且所述镂空孔的尺寸大于所述第二辐射臂枝节的尺寸。A further improvement is that the four second radiating arm branches are arranged one by one directly under the four first radiating arm branches, and the size of the hollow hole is larger than the size of the second radiating arm branch.
进一步的改进在于,所述巴伦结构为顶部开口的中空结构,所述馈电片组件包括馈电片卡座、交叉分布的第一馈电片和第二馈电片,所述馈电片卡座安装于所述中空结构位置中,所述第一馈电片、第二馈电片安装在馈电片卡座内部,并通过巴伦结构底部的辐射体馈电口与外部电路连接进行馈电。A further improvement is that the balun structure is a hollow structure with an open top, and the feed sheet assembly includes a feed sheet holder, a first feed sheet and a second feed sheet distributed across, and the feed sheet The deck is installed in the position of the hollow structure, and the first feeder and the second feeder are installed inside the feeder deck, and are connected to the external circuit through the radiator feeder port at the bottom of the balun structure. feed.
进一步的改进在于,所述引向片组件包括引向片卡座和第一引向片,所述引向片卡座安装于所述辐射体上方,所述引向片卡座上通过第一支撑柱安装第一引向片。A further improvement is that the guide piece assembly includes a guide piece holder and a first guide piece, the guide piece holder is installed above the radiator, and the guide piece holder passes through the first guide piece. The support column is installed with the first guide piece.
进一步的改进在于,所述引向片组件还包括第二引向片,所述第一引向片上通过第二支撑柱安装所述第二引向片,所述第二引向片的尺寸小于所述第一引向片的尺寸。A further improvement is that the guide piece assembly further includes a second guide piece, the second guide piece is installed on the first guide piece through a second support column, and the size of the second guide piece is smaller than The size of the first guide piece.
第二方面,本发明提出一种天线,包括上述中任意一项所述的一种多枝节超宽频辐射单元。In a second aspect, the present invention provides an antenna, including the multi-twig ultra-broadband radiation unit described in any one of the above.
本发明的有益效果:Beneficial effects of the present invention:
本发明结构简单,可一体化成形,集成度高,有利于提高生产效率,且具有超宽频辐射特性,有效的拓宽了使用带宽,相较于常规天线系统,辐射单元使用率提升,集成度更高,使得天线系统设计更为简洁,有利于天线系统的集成和共用。The invention has a simple structure, can be integrally formed, has a high degree of integration, is conducive to improving production efficiency, and has ultra-wideband radiation characteristics, effectively widening the bandwidth of use. Compared with conventional antenna systems, the utilization rate of radiation units is improved and the degree of integration is higher. High, which makes the design of the antenna system more concise, and is conducive to the integration and sharing of the antenna system.
本发明辐射单元口径在0.35倍波长~0.55倍波长之间,集成双频辐射性能,不仅便于小型化天线的实现,还节省了材料,降低成本。The diameter of the radiation unit of the invention is between 0.35 times the wavelength and 0.55 times the wavelength, and the dual-frequency radiation performance is integrated, which not only facilitates the realization of a miniaturized antenna, but also saves materials and reduces costs.
本发明适用于2300~3800MHz通信系统,可与700~2300MHz通信系统组成多频多系统天线。The invention is suitable for 2300-3800MHz communication system, and can form multi-frequency multi-system antenna with 700-2300MHz communication system.
附图说明Description of drawings
图1为本发明一种多枝节超宽频辐射单元的整体结构示意图;Fig. 1 is a schematic diagram of the overall structure of a multi-branch ultra-broadband radiation unit of the present invention;
图2为本发明一种多枝节超宽频辐射单元中引向片组件与辐射体分离后的结构示意图;Fig. 2 is a schematic diagram of the structure of a multi-branch ultra-broadband radiation unit of the present invention after the guide plate assembly is separated from the radiator;
图3为本发明一种多枝节超宽频辐射单元的爆炸图;Fig. 3 is an explosion diagram of a multi-branch ultra-broadband radiation unit of the present invention;
图4为本发明一种多枝节超宽频辐射单元的辐射体结构示意图;Fig. 4 is a schematic diagram of the radiator structure of a multi-branch ultra-broadband radiation unit of the present invention;
图5为本发明一种多枝节超宽频辐射单元的辐射体另一视角示意图。Fig. 5 is a schematic diagram of another viewing angle of the radiator of a multi-twig ultra-broadband radiation unit according to the present invention.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。这些附图均为简化的示意图,仅以示意方式说明本发明的基本结构,因此附图仅显示与本发明有关的构成。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so the drawings only show the configurations related to the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
需要说明的是,当元件被称为“安装在”另一个元件,它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是 “连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中元件。It should be noted that when an element is referred to as being “mounted on” another element, it can be directly on the other element or there can also be an intervening element. When an element is said to be "connected" to another element, it may be directly connected to the other element or intervening elements may also be present.
除非另有定义,本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在于限制本发明。本文所使用的术语“与”、“和”包括一个或多个相关的所列项目的任意的和所有的组合。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the terms "and", "and" include any and all combinations of one or more of the associated listed items.
请参考附图1-附图5,本发明实施例第一方面提供一种多枝节超宽频辐射单元,高度为0.25~0.3倍2.3~3.8GHz中心频率波长,通过多种辐射枝节集成化设计于辐射体1000上,达到超宽频效果,可用于多频天线系统中。Please refer to accompanying drawings 1 to 5. The first aspect of the embodiment of the present invention provides a multi-branch ultra-broadband radiation unit with a height of 0.25 to 0.3 times the wavelength of the center frequency of 2.3 to 3.8 GHz. The radiator 1000 achieves an ultra-wideband effect and can be used in a multi-frequency antenna system.
具体地,如图1所示,在本实施例中,所述辐射单元包括辐射体1000以及安装在所述辐射体1000上的馈电片组件和引向片组件;所述辐射体1000包括巴伦结构、第一辐射臂组件1020和第二辐射臂组件1010,所述第一辐射臂组件1020和第二辐射臂组件1010的内端分别与所述巴伦结构相连,所述第二辐射臂组件1010位于所述第一辐射臂组件1020的下方,从而形成两层辐射臂,所述辐射体1000整体呈中空双层“T”型结构。Specifically, as shown in FIG. 1 , in this embodiment, the radiating unit includes a radiator 1000 and a feed sheet assembly and a guide sheet assembly installed on the radiator 1000; the radiator 1000 includes a bar Lun structure, a first radiating arm assembly 1020 and a second radiating arm assembly 1010, the inner ends of the first radiating arm assembly 1020 and the second radiating arm assembly 1010 are respectively connected to the balun structure, and the second radiating arm The component 1010 is located below the first radiating arm component 1020 to form a two-layer radiating arm, and the radiating body 1000 has a hollow double-layer "T"-shaped structure as a whole.
如图5所示,所述辐射体1000的底部设置四个接地固定柱组件1030,所述接地固定柱组件1030包括四个固定柱1031、1032、1033、1034。As shown in FIG. 5 , four ground fixing post assemblies 1030 are provided at the bottom of the radiator 1000 , and the ground fixing post assembly 1030 includes four fixing posts 1031 , 1032 , 1033 , and 1034 .
如图4所示,所述第一辐射臂组件1020包括四个正交排置的第 一辐射臂枝节1021、1022、1023、1024,四个所述第一辐射臂枝节1021、1022、1023、1024中两两配对组成第一偶极子辐射臂,构成上层“T”型双极化辐射单元。As shown in FIG. 4 , the first radiating arm assembly 1020 includes four first radiating arm branches 1021 , 1022 , 1023 , 1024 arranged orthogonally, and the four first radiating arm branches 1021 , 1022 , 1023 , In 1024, paired in pairs to form the first dipole radiation arm, forming the upper layer "T" type dual polarization radiation unit.
如图4所示,所述第二辐射臂组件1010包括四个正交排置的第二辐射臂枝节1011、1012、1013、1014,四个所述第二辐射臂枝节1011、1012、1013、1014中两两配对组成第二偶极子辐射臂,构成下层“T”型双极化辐射单元。As shown in FIG. 4, the second radiating arm assembly 1010 includes four second radiating arm branches 1011, 1012, 1013, 1014 arranged orthogonally, and the four second radiating arm branches 1011, 1012, 1013, In 1014, paired in pairs to form the second dipole radiating arm, forming the lower "T" type dual-polarized radiating unit.
所述第一辐射臂枝节1021、1022、1023、1024的长度比所述第二辐射臂枝节1011、1012、1013、1014的长度长。The lengths of the first radiating arm branches 1021 , 1022 , 1023 , 1024 are longer than the lengths of the second radiating arm branches 1011 , 1012 , 1013 , 1014 .
具体地,所述第一辐射臂枝节1021、1022、1023、1024的长度为2.3GHz~2.7GHz波长的1/8-1/4倍,所述第二辐射臂枝节1011、1012、1013、1014的长度为3.3GHz~3.8GHz波长的1/8-1/4倍。Specifically, the length of the first radiating arm branches 1021, 1022, 1023, 1024 is 1/8-1/4 times the wavelength of 2.3GHz-2.7GHz, and the length of the second radiating arm branches 1011, 1012, 1013, 1014 The length is 1/8-1/4 times of the wavelength of 3.3GHz~3.8GHz.
在本发明的另外一些实施例中,每一个所述第一辐射臂枝节1021、1022、1023、1024均包括一辐射长臂,所述辐射长臂的一端与所述巴伦结构相连,另一端垂直向下折弯形成辐射短臂,本实施例通过折弯形成辐射短臂,可以用于减小第一辐射臂组件1020对第二辐射臂组件1010的投影面积,可以降低对第二辐射臂组件1010的影响,同时节省了空间,并有利于辐射单元一体化成型。In other embodiments of the present invention, each of the first radiating arm branches 1021, 1022, 1023, 1024 includes a long radiating arm, one end of the long radiating arm is connected to the balun structure, and the other end Bending vertically downwards to form short radiation arms. In this embodiment, the short radiation arms are formed by bending, which can be used to reduce the projected area of the first radiation arm assembly 1020 on the second radiation arm assembly 1010, which can reduce the impact on the second radiation arm assembly. The influence of the assembly 1010 saves space and facilitates the integral molding of the radiation unit.
如图4所示,在本发明的另外一些实施例中,每一个所述第一辐射臂枝节1021、1022、1023、1024上均设置有一个镂空孔1025、1026、1027、1028。四个所述第二辐射臂枝节1011、1012、1013、1014一一对应设置在四个所述第一辐射臂枝节1021、1022、1023、1024的 正下方,且所述镂空孔1025、1026、1027、1028的尺寸大于所述第二辐射臂枝节1011、1012、1013、1014的尺寸,即镂空孔1025、1026、1027、1028的投影面涵盖所述第二辐射臂枝节1011、1012、1013、1014的投影面,通过设置镂空孔1025、1026、1027、1028可以用于降低对所述第二辐射臂组件1010的干扰。具体地,在本实施例中,镂空孔1025、1026、1027、1028的投影面为矩形。As shown in FIG. 4 , in some other embodiments of the present invention, each of the first radiating arm branches 1021 , 1022 , 1023 , 1024 is provided with a hollow hole 1025 , 1026 , 1027 , 1028 . The four second radiating arm branches 1011, 1012, 1013, 1014 are arranged one by one directly under the four first radiating arm branches 1021, 1022, 1023, 1024, and the hollow holes 1025, 1026, The size of 1027, 1028 is larger than the size of the second radiating arm branches 1011, 1012, 1013, 1014, that is, the projection planes of the hollow holes 1025, 1026, 1027, 1028 cover the second radiating arm branches 1011, 1012, 1013, Hollow holes 1025 , 1026 , 1027 , and 1028 can be provided on the projection surface of 1014 to reduce interference to the second radiation arm assembly 1010 . Specifically, in this embodiment, the projection surfaces of the hollow holes 1025, 1026, 1027, and 1028 are rectangular.
具体地,如图3所示,在本实施例中,所述巴伦结构为顶部开口的中空结构,所述馈电片组件包括馈电片卡座2000、交叉分布的第一馈电片3010和第二馈电片3020,所述馈电片卡座2000安装于所述中空结构位置中,所述馈电片卡座2000呈方形,所述馈电片卡座2000内设有馈电片卡位,所述第一馈电片3010、第二馈电片3020通过馈电片卡位安装在所述馈电片卡座2000内部,所述第一馈电片3010、第二馈电片3020呈鱼钩型,固定于所述馈电片卡座2000内部,并通过巴伦结构底部的辐射体馈电口1041、1042与外部电路连接进行馈电。Specifically, as shown in FIG. 3 , in this embodiment, the balun structure is a hollow structure with an open top, and the feed sheet assembly includes a feed sheet holder 2000 and first feed sheets 3010 distributed across and the second feed sheet 3020, the feed sheet holder 2000 is installed in the hollow structure position, the feed sheet holder 2000 is square, and the feed sheet holder 2000 is provided with a feed sheet Card position, the first feed sheet 3010 and the second feed sheet 3020 are installed inside the feed sheet holder 2000 through the feed sheet clips, the first feed sheet 3010, the second feed sheet 3020 is in the shape of a fishhook, fixed inside the feeder holder 2000, and connected to the external circuit through the radiator feeder ports 1041 and 1042 at the bottom of the balun structure for feeding.
具体地,如图3所示,在本实施例中,所述引向片组件包括引向片卡4000和第一引向片5000,所述引向片卡座4000安装于所述辐射体1000上方,所述引向片卡座4000上通过第一支撑柱8000安装第一引向片5000。所述第一引向片5000可以呈圆形,也可以是正方形,上面设计有4个固定孔,可配合四根第一支撑柱8000固定于所述引向片卡座4000上。Specifically, as shown in FIG. 3 , in this embodiment, the guide piece assembly includes a guide card 4000 and a first guide piece 5000 , and the guide card holder 4000 is installed on the radiator 1000 Above, the first guide piece 5000 is installed on the guide piece holder 4000 through the first support column 8000 . The first guide piece 5000 can be circular or square, with 4 fixing holes designed on it, which can be fixed on the guide piece holder 4000 with four first support columns 8000 .
具体地,在本发明一些实施例中,所述引向片卡座4000呈圆形, 且其底部设计有卡扣,通过卡扣扣于所述第一辐射臂枝节1021、1022、1023、1024的镂空孔1025、1026、1027、1028一侧,与镂空孔1025、1026、1027、1028一侧配合卡扣进行连接固定,实现对引向片卡座4000的固定。所述镂空孔1025、1026、1027、1028既可以用于降低对所述第二辐射臂组件1010的干扰,又为所述引向片卡座4000提供卡扣连接的卡接位,结构简单,还节省了材料,降低成本。Specifically, in some embodiments of the present invention, the guide holder 4000 is circular, and its bottom is designed with a buckle, which is fastened to the first radial arm branches 1021, 1022, 1023, 1024 through the buckle. One side of the hollow holes 1025, 1026, 1027, 1028, and one side of the hollow holes 1025, 1026, 1027, 1028 are connected and fixed with buckles, so as to realize the fixing of the guide plate holder 4000. The hollow holes 1025, 1026, 1027, 1028 can not only reduce the interference to the second radiation arm assembly 1010, but also provide a snap-fit position for the guide plate holder 4000, with a simple structure. It also saves materials and reduces costs.
具体地,如图3所示,在本发明的一些实施例中,所述引向片组件还包括第二引向片7000,所述第一引向片5000上通过第二支撑柱6000安装所述第二引向片7000,优选地,所述第二引向片7000的尺寸小于所述第一引向片5000的尺寸。Specifically, as shown in FIG. 3 , in some embodiments of the present invention, the guide piece assembly further includes a second guide piece 7000 , and the first guide piece 5000 is installed on the first guide piece 5000 through the second support column 6000 . The second guide piece 7000, preferably, the size of the second guide piece 7000 is smaller than the size of the first guide piece 5000.
具体地,所述第一引向片5000中心部分设计有圆形孔,可用于放置第二支撑柱6000,所述第二引向片7000呈圆形,也可以是正方形,所述第二支撑柱6000一端与所述第二引向片7000中心孔连接,另一端与第一引向片5000的圆形孔连接。Specifically, the central part of the first guide piece 5000 is designed with a circular hole, which can be used to place the second support column 6000. The second guide piece 7000 is circular or square. The second support One end of the post 6000 is connected to the central hole of the second guide piece 7000 , and the other end is connected to the circular hole of the first guide piece 5000 .
本实施例第二方面实施例提出一种天线,包括上述任一实施例所述的一种多枝节超宽频辐射单元。所述辐射单元的结构参照上述实施例,而天线的其它部分结构则属于本领域技术人员的公知常识,本领域技术人员参照现有技术即可,本实施例在此不再详述。The second aspect of this embodiment provides an antenna, including the multi-twig ultra-broadband radiation unit described in any one of the above embodiments. For the structure of the radiating unit, refer to the above-mentioned embodiments, while the structures of other parts of the antenna belong to the common knowledge of those skilled in the art. Those skilled in the art can refer to the prior art, and this embodiment will not be described in detail here.
本发明实施例的有益效果:本发明结构简单,可一体化成形,集成度高,有利于提高生产效率,且具有超宽频辐射特性,有效的拓宽了使用带宽,相较于常规天线系统,辐射单元使用率提升,集成度更高,使得天线系统设计更为简洁,有利于天线系统的集成和共用。本 发明辐射单元口径在0.35倍波长~0.55倍波长之间,集成双频辐射性能,不仅便于小型化天线的实现,还节省了材料,降低成本。本发明适用于2300~3800MHz通信系统,可与700~2300MHz通信系统组成多频多系统天线。Beneficial effects of the embodiment of the present invention: the present invention is simple in structure, can be integrally formed, has a high degree of integration, is conducive to improving production efficiency, and has ultra-wideband radiation characteristics, effectively widening the use bandwidth. Compared with conventional antenna systems, the radiation The unit utilization rate is improved and the integration is higher, which makes the design of the antenna system more concise, which is conducive to the integration and sharing of the antenna system. The diameter of the radiation unit of the present invention is between 0.35 times the wavelength and 0.55 times the wavelength, and the integrated dual-frequency radiation performance not only facilitates the realization of a miniaturized antenna, but also saves materials and reduces costs. The invention is suitable for 2300-3800MHz communication systems, and can form multi-frequency multi-system antennas with 700-2300MHz communication systems.
以上实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。The technical features of the above embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be It is considered to be within the range described in this specification.
以上所述实施例仅表达了本发明的具体实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。The above-mentioned embodiments only express the specific implementation manner of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (10)

  1. 一种多枝节超宽频辐射单元,其特征在于,所述辐射单元包括辐射体以及安装在所述辐射体上的馈电片组件和引向片组件;所述辐射体包括巴伦结构、第一辐射臂组件和第二辐射臂组件,所述第一辐射臂组件和第二辐射臂组件的内端分别与所述巴伦结构相连,所述第二辐射臂组件位于所述第一辐射臂组件的下方。A multi-node ultra-broadband radiation unit is characterized in that the radiation unit includes a radiator and a feed sheet assembly and a guide sheet assembly installed on the radiator; the radiator includes a balun structure, a first A radiation arm assembly and a second radiation arm assembly, the inner ends of the first radiation arm assembly and the second radiation arm assembly are respectively connected to the balun structure, and the second radiation arm assembly is located at the first radiation arm assembly below.
  2. 根据权利要求1所述的一种多枝节超宽频辐射单元,其特征在于,所述第一辐射臂组件包括四个正交排置的第一辐射臂枝节,四个所述第一辐射臂枝节中两两配对组成第一偶极子辐射臂;所述第二辐射臂组件包括四个正交排置的第二辐射臂枝节,四个所述第二辐射臂枝节中两两配对组成第二偶极子辐射臂。The multi-node ultra-broadband radiating unit according to claim 1, wherein the first radiating arm assembly includes four first radiating arm branches arranged orthogonally, and the four first radiating arm branches paired in pairs to form the first dipole radiating arm; the second radiating arm assembly includes four orthogonally arranged second radiating arm branches, and two pairs of the four second radiating arm branches form the second dipole radiating arm assembly; Dipole radiating arms.
  3. 根据权利要求2所述的一种多枝节超宽频辐射单元,其特征在于,所述第一辐射臂枝节的长度为2.3GHz~2.7GHz波长的1/8-1/4倍,所述第二辐射臂枝节的长度为3.3GHz~3.8GHz波长的1/8-1/4倍。The multi-branch ultra-broadband radiation unit according to claim 2, characterized in that, the length of the first radiation arm branch is 1/8-1/4 times the wavelength of 2.3GHz-2.7GHz, and the second The length of the branch of the radiation arm is 1/8-1/4 times of the wavelength of 3.3GHz-3.8GHz.
  4. 根据权利要求2所述的一种多枝节超宽频辐射单元,其特征在于,所述第一辐射臂枝节包括辐射长臂,所述辐射长臂的一端与所述巴伦结构相连,另一端垂直向下折弯形成辐射短臂。The multi-branch ultra-broadband radiation unit according to claim 2, wherein the first radiation arm branch includes a radiation long arm, one end of the radiation long arm is connected to the balun structure, and the other end is vertical Bend down to form radiating short arms.
  5. 根据权利要求2所述的一种多枝节超宽频辐射单元,其特征在于,所述第一辐射臂枝节上设置有镂空孔。The multi-branch ultra-broadband radiation unit according to claim 2, characterized in that hollow holes are arranged on the branches of the first radiation arm.
  6. 根据权利要求5所述的一种多枝节超宽频辐射单元,其特征在于,四个所述第二辐射臂枝节一一对应设置在四个所述第一辐射臂枝节的正下方,且所述镂空孔的尺寸大于所述第二辐射臂枝节的尺寸。The multi-branch ultra-broadband radiating unit according to claim 5, characterized in that, the four second radiating arm branches are arranged directly below the four first radiating arm branches one by one, and the The size of the hollow hole is larger than the size of the branch of the second radiating arm.
  7. 根据权利要求1-6中任意一项所述的一种多枝节超宽频辐射单元,其特征在于,所述巴伦结构为顶部开口的中空结构,所述馈电片组件包括馈电片卡座、交叉分布的第一馈电片和第二馈电片,所述馈电片卡座安装于所述中空结构位置中,所述第一馈电片、第二馈电片安装在馈电片卡座内部,并通过巴伦结构底部的辐射体馈电口与外部电路连接进行馈电。A multi-node ultra-broadband radiation unit according to any one of claims 1-6, wherein the balun structure is a hollow structure with an open top, and the feed sheet assembly includes a feed sheet holder , the first feed sheet and the second feed sheet distributed across, the feed sheet holder is installed in the hollow structure position, the first feed sheet and the second feed sheet are installed on the feed sheet The interior of the card holder is connected to the external circuit through the radiator feed port at the bottom of the balun structure for feeding.
  8. 根据权利要求1-6中任意一项所述的一种多枝节超宽频辐射单元,其特征在于,所述引向片组件包括引向片卡座和第一引向片,所述引向片卡座安装于所述辐射体上方,所述引向片卡座上通过第一支撑柱安装第一引向片。A multi-twig ultra-broadband radiation unit according to any one of claims 1-6, characterized in that, the guide piece assembly includes a guide piece holder and a first guide piece, and the guide piece The card holder is installed above the radiator, and the first guide piece is installed on the guide piece holder through the first support column.
  9. 根据权利要求8所述的一种多枝节超宽频辐射单元,其特征在于,所述引向片组件还包括第二引向片,所述第一引向片上通过第二支撑柱安装所述第二引向片,所述第二引向片的尺寸小于所述第一引向片的尺寸。The multi-node ultra-broadband radiation unit according to claim 8, wherein the guide piece assembly further includes a second guide piece, and the first guide piece is installed on the first guide piece through a second support column. Two guide pieces, the size of the second guide piece is smaller than the size of the first guide piece.
  10. 一种天线,其特征在于,包括权利要求1-9中任意一项所述的一种多枝节超宽频辐射单元。An antenna, characterized by comprising the multi-twig ultra-broadband radiation unit according to any one of claims 1-9.
PCT/CN2022/086853 2021-12-28 2022-04-14 Multi-branch ultra-wideband radiation unit and antenna WO2023123739A1 (en)

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