WO2021114077A1 - 隔离板结构和天线 - Google Patents

隔离板结构和天线 Download PDF

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Publication number
WO2021114077A1
WO2021114077A1 PCT/CN2019/124274 CN2019124274W WO2021114077A1 WO 2021114077 A1 WO2021114077 A1 WO 2021114077A1 CN 2019124274 W CN2019124274 W CN 2019124274W WO 2021114077 A1 WO2021114077 A1 WO 2021114077A1
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Prior art keywords
isolation
isolation board
board structure
board
longitudinal
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PCT/CN2019/124274
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English (en)
French (fr)
Inventor
褚庆臣
岳月华
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瑞声声学科技(深圳)有限公司
瑞声精密制造科技(常州)有限公司
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Application filed by 瑞声声学科技(深圳)有限公司, 瑞声精密制造科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2019/124274 priority Critical patent/WO2021114077A1/zh
Publication of WO2021114077A1 publication Critical patent/WO2021114077A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems

Definitions

  • the present invention relates to the field of antennas, in particular to an isolation board structure and an antenna.
  • the purpose of the present invention is to provide an isolation plate structure with simple structure and convenient assembly.
  • An isolation board structure is provided, the isolation board structure includes an isolation board structure body and a connection structure provided on the isolation board structure body for connecting with a feed network board, and the isolation board structure body includes two parallel and spaced arrangement A number of horizontal isolation plates are connected between the two longitudinal isolation plates, and a number of the horizontal isolation plates and the two longitudinal isolation plates define a number for accommodating a single antenna element and along the The isolation cavities arranged in the length direction of the longitudinal isolation plate.
  • every two adjacent isolation cavities are separated by two horizontal isolation plates.
  • a gap is formed between a side surface of the lateral isolation board close to the feed network board and the feed network board.
  • isolation plate structure body is integrally injection molded.
  • connection structure includes a buckle structure
  • the buckle structure includes a connection portion connected to the isolation plate structure body and a hook connected to an end of the connection portion.
  • the hook includes a limiting portion protruding from the connecting portion and an inserting portion that gradually shrinks from the limiting portion in a direction away from the isolation plate structure body.
  • the isolation board structure body has a bottom surface that is attached to the feed network board, the isolation board structure body is provided with a groove inwardly from the bottom surface thereof, and the connecting portion is connected to the groove bottom surface of the groove And the hook protrudes from the bottom surface of the isolation plate structure body.
  • the isolation plate structure body further includes two end plates, and each of the end plates connects one end of the longitudinal isolation plate and the other end of the longitudinal isolation plate, and the number of the buckle structures is At least two of the plurality of buckle structures are symmetrically arranged on the two longitudinal isolation plates, and at least two are arranged on the end plates.
  • connection structure further includes a positioning column connected to the isolation board structure body for mating with a positioning hole on the feed network board.
  • the present invention also provides an antenna, comprising a feed network board, a plurality of antenna elements arranged in an array and connected to the feed network board, and the isolation board structure according to any one of claims 1-9,
  • the isolation board structure and the feed network board are snap-connected through the connection structure, and each antenna element is accommodated in the corresponding isolation cavity.
  • the isolation board structure provided by the present invention includes an isolation board structure body and a connection structure provided on the isolation board structure body for connecting with the feed network board, and the isolation board structure body also includes two Longitudinal isolation plates arranged in parallel and spaced apart, a number of horizontal isolation plates are connected between the two longitudinal isolation plates, and the plurality of horizontal isolation plates and the two longitudinal isolation plates define a plurality of units for accommodating a single antenna element and The isolation cavities arranged along the length direction of the longitudinal isolation plate have a simple structure and convenient assembly.
  • FIG. 1 is a schematic structural diagram of an antenna provided by an embodiment of the present invention.
  • Figure 2 is a partial enlarged view of A in Figure 1;
  • FIG. 3 is a schematic structural diagram of an isolation plate structure provided by an embodiment of the present invention.
  • Figure 4 is a partial enlarged view of B in Figure 3;
  • Fig. 5 is a partial enlarged view of C in Fig. 3.
  • Isolation board structure 11. Longitudinal isolation board; 12. Horizontal isolation board; 101. Isolation cavity; 21. Clip structure; 211. Connecting part; 212. Hook; 2121. Limiting part; 2122. Plug-in part 110, groove; 13, end plate; 22, positioning column; 100, antenna; 20, feed network board; 201, card hole; 30, antenna element.
  • An isolation board structure 10 is applied to an antenna array and fixed to the feed network board 20 of the antenna array.
  • the isolation board structure 10 includes an isolation board structure body (not marked in the figure) and a connection structure (not marked in the figure) provided on the isolation board structure body for connecting with the feeder network board 20.
  • the isolation board The structural body includes two parallel and spaced longitudinal isolation plates 11, a plurality of horizontal isolation plates 12 are connected between the two longitudinal isolation plates 11, and the plurality of horizontal isolation plates 12 and the two longitudinal isolation plates 11 define a plurality of There are isolation cavities 101 for accommodating a single antenna element 30 and arranged at intervals along the length direction of the longitudinal isolation plate 11.
  • One isolating plate structure 10 divides two or three antenna elements 30 into one group, which is simple in structure and easy to assemble.
  • the horizontal isolation plate 11 is perpendicular to the longitudinal isolation plate 12.
  • every two adjacent isolation cavities 101 are separated by two horizontal isolation plates 12.
  • the two horizontal isolation plates 12 are arranged at intervals.
  • every two adjacent isolation cavities 101 may also be separated by a transverse isolation plate 12.
  • the side surface of the lateral isolation plate 12 close to the feed network board 20 is recessed to form a sinking platform with respect to the side surface of the longitudinal isolation plate 11 close to the feed network board 20 so as to be in contact with the feed network board 20.
  • a gap is formed so as to avoid the lines on the feeder network board 20.
  • a sinker structure can be provided on the longitudinal isolation board 11 to form a gap between the longitudinal isolation board 11 and the feed network board 20 to avoid lines.
  • the isolation board structure body is integrally injection molded, so that the isolation board structure 10 has high stability and good consistency.
  • the connection structure includes a buckle structure 21 that includes a connection portion 211 connected to the isolation plate structure body and a hook 212 connected to an end of the connection portion 211.
  • the hook 212 is used to be connected to the card hole 201 on the feed network board 20.
  • the hook 212 includes a limiting portion 2121 protruding from the connecting portion 211 and an inserting portion 2122 that gradually shrinks from the limiting portion 2121 in a direction away from the isolating plate structure body.
  • the hook 212 is formed as an inverted buckle structure, which is convenient for clamping.
  • the isolation board structure body has a bottom surface that is attached to the feed network board 20, the isolation board structure body is provided with a groove 110 inwardly from its bottom surface, and the connecting portion 211 is connected to the groove The bottom surface of the groove 110 and the hook 212 protrude from the bottom surface of the isolation plate structure body.
  • the arrangement of the groove 110 is convenient for accommodating the connecting portion 211 and improves the integrated arrangement of the isolation plate structure 10.
  • the isolation plate structure body further includes two end plates 13, and each of the end plates 13 connects one end of the longitudinal isolation plate 11 and another end of the longitudinal isolation plate 11, and the buckle
  • the number of the structure 21 is multiple, and at least two of the plurality of buckle structures 21 are symmetrically arranged on the two longitudinal isolation plates 11 and at least two are arranged on the end plate 13.
  • the buckle structure 21 is distributed on the longitudinal isolation board 11 and the end board 13 to improve the connection stability of the isolation board structure 10 and the feed network board 20.
  • connection structure further includes a positioning column 22 connected to the isolation board structure body for mating with a positioning hole on the feed network board 20.
  • the cooperation of the positioning column 22 and the positioning hole further increases the connection stability of the isolation board structure 10 and the feed network board 20.
  • a metal layer is formed on the surface of the isolation plate structure body. It should be noted that the isolation board body itself may also be a metal structure.
  • the present invention also provides an antenna 100, including a feed network board 20, a plurality of antenna elements 30 arranged in an array and connected to the feed network board 20, and the isolation board structure 10 as described above, the isolation board The structure 10 and the feed network board 20 are snap-connected through the connection structure, and each antenna element 30 is accommodated in the corresponding isolation cavity 101.
  • the isolation plate structure 10 provided by the present invention is a horizontal and vertical grid type, and is integrally injection molded to separate two or three antenna elements 30 into a group for isolation.
  • the structure is simple and the assembly is convenient and quick.

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

本发明提供了一种隔离板结构，所述隔离板结构包括隔离板结构本体和设于所述隔离板结构本体上用于与馈电网络板连接的连接结构，所述隔离板结构本体包括两并行间隔设置的纵向隔离板，两所述纵向隔离板之间连接有若干条横向隔离板，若干条所述横向隔离板与两所述纵向隔离板限定出若干个用于容置单个天线振子且沿所述纵向隔离板的长度方向排布的隔离腔。本发明提供的隔离板结构结构简单，组装方便。

Description

隔离板结构和天线 技术领域
本发明涉及天线领域，特别涉及隔离板结构和天线。
 背景技术
目前，大规模MIMO基站天线由于振子间距小、阵列单元波束之间的互耦比较大，将增强天线各通道单元的干扰，因此降低单元互耦、提高隔离度对大规模MIMO天线至关重要。其中在天线阵面增加隔离条是比较常用而有效的方法，一般由PCB制作成横向和纵向交叉的细长矩形片焊接在天线板上，由于隔离条数量多，焊接组装繁琐。
因此，有必要提供一种结构简单、组装方便的隔离板结构。
 技术问题
本发明的目的在于提供一种结构简单、组装方便的隔离板结构。
 技术解决方案
本发明的技术方案如下：
提供一种隔离板结构，所述隔离板结构包括隔离板结构本体和设于所述隔离板结构本体上用于与馈电网络板连接的连接结构，所述隔离板结构本体包括两并行间隔设置的纵向隔离板，两所述纵向隔离板之间连接有若干条横向隔离板，若干条所述横向隔离板与两所述纵向隔离板限定出若干个用于容置单个天线振子且沿所述纵向隔离板的长度方向排布的隔离腔。
进一步地，每相邻两所述隔离腔之间通过两所述横向隔离板分隔。
进一步地，所述横向隔离板的靠近馈电网络板的侧面与所述馈电网络板间隔形成间隙。
进一步地，所述隔离板结构本体一体注塑成型。
进一步地，所述连接结构包括卡扣结构，所述卡扣结构包括与所述隔离板结构本体连接的连接部和连接于所述连接部的端部上的卡勾。
进一步地，所述卡勾包括凸设于所述连接部上的限位部和自所述限位部向远离所述隔离板结构本体的方向逐渐收缩的插接部。
进一步地，所述隔离板结构本体具有与馈电网络板贴合的底面，所述隔离板结构本体上自其底面向内开设有凹槽，所述连接部连接于所述凹槽的槽底面且所述卡勾凸出于所述隔离板结构本体的底面。
进一步地，所述隔离板结构本体还包括两端板，每所述端板连接一所述纵向隔离板的端部和另一所述纵向隔离板的端部，所述卡扣结构的数量为多个，多个所述卡扣结构中至少两个对称设于两所述纵向隔离板上、至少两个设于所述端板上。
进一步地，所述连接结构还包括连接于所述隔离板结构本体上用于与馈电网络板上的定位孔配合的定位柱。
本发明还提供一种天线，包括馈电网络板、多个呈阵列设置且连接于所述馈电网络板上的天线振子以及如权利要求1-9中任意一项所述的隔离板结构，所述隔离板结构和所述馈电网络板通过所述连接结构卡扣连接，每个所述天线振子收容于相应的所述隔离腔内。
 有益效果
本发明的有益效果在于：本发明提供的隔离板结构包括隔离板结构本体和设于所述隔离板结构本体上用于与馈电网络板连接的连接结构，所述隔离板结构本体还包括两并行间隔设置的纵向隔离板，两所述纵向隔离板之间连接有若干条横向隔离板，若干条所述横向隔离板与两所述纵向隔离板限定出若干个用于容置单个天线振子且沿所述纵向隔离板的长度方向排布的隔离腔，结构简单，组装方便。
 附图说明
图1为本发明实施例提供的天线的结构示意图；
图2为图1中A处的局部放大图；
图3为本发明实施例提供的隔离板结构的结构示意图；
图4为图3中B处的局部放大图；
图5为图3中C处的局部放大图。
图中：
10、隔离板结构；11、纵向隔离板；12、横向隔离板；101、隔离腔；21、卡扣结构；211、连接部；212、卡勾；2121、限位部；2122、插接部；110、凹槽；13、端板；22、定位柱；100、天线；20、馈电网络板；201、卡孔；30、天线振子。
 本发明的实施方式
下面结合附图和实施方式对本发明作进一步说明。
一种隔离板结构10，应用于天线阵列，并固定于天线阵列的馈电网络板20。所述隔离板结构10包括隔离板结构本体（图中未标）和设于所述隔离板结构本体上用于与馈电网络板20连接的连接结构（图中未标），所述隔离板结构本体包括两并行间隔设置的纵向隔离板11，两所述纵向隔离板11之间连接有若干条横向隔离板12，若干条所述横向隔离板12与两所述纵向隔离板11限定出若干个用于容置单个天线振子30且沿所述纵向隔离板11的长度方向间隔排布的隔离腔101。
一个隔离板结构10将两个或三个天线振子30分为一组，结构简单，且方便组装。优选横向隔离板11与纵向隔离板12垂直。
优选地，每相邻两所述隔离腔101之间通过两所述横向隔离板12分隔。进一步提高横向隔离板12的隔离效果，优选两横向隔离板12间隔设置。可以理解地，每相邻两所述隔离腔101之间也可通过一横向隔离板12分隔。
优选地，所述横向隔离板12的靠近馈电网络板20的侧面相对所述纵向隔离板11的靠近馈电网络板20的侧面内凹形成沉台以与所述馈电网络板20之间形成间隙，从而避让馈电网络板20上的线路。此外，纵向隔离板11上可以设置沉台结构，以使纵向隔离板11和馈电网络板20之间形成间隙，避让线路。
优选地，所述隔离板结构本体一体注塑成型，如此，隔离板结构10稳定性高、一致性好。优选地，所述连接结构包括卡扣结构21，所述卡扣结构21包括与所述隔离板结构本体连接的连接部211和连接于所述连接部211的端部上的卡勾212。卡勾212用于与馈电网络板20上的卡孔201卡接。
优选地，所述卡勾212包括凸设于所述连接部211上的限位部2121和自所述限位部2121向远离所述隔离板结构本体的方向逐渐收缩的插接部2122。卡勾212形成为倒扣结构，便于卡装。
优选地，所述隔离板结构本体具有与馈电网络板20贴合的底面，所述隔离板结构本体上自其底面向内开设有凹槽110，所述连接部211连接于所述凹槽110的槽底面且所述卡勾212凸出于所述隔离板结构本体的底面。凹槽110的设置便于容置连接部211，提高隔离板结构10的一体化设置。
优选地，所述隔离板结构本体还包括两端板13，每所述端板13连接一所述纵向隔离板11的端部和另一所述纵向隔离板11的端部，所述卡扣结构21的数量为多个，多个所述卡扣结构21中至少两个对称设于两所述纵向隔离板11上、至少两个设于所述端板13上。
卡扣结构21分布于纵向隔离板11和端板13上，提高隔离板结构10和馈电网络板20的连接稳定性。
优选地，所述连接结构还包括连接于所述隔离板结构本体上用于与馈电网络板20上的定位孔配合的定位柱22。定位柱22和定位孔的配合进一步增加隔离板结构10和馈电网络板20的连接稳定性。
优选地，所述隔离板结构本体的表面形成有金属层。需要说明的是，隔离板本体本身也可以为金属结构。
本发明还提供一种天线100，包括馈电网络板20、多个呈阵列设置且连接于所述馈电网络板20上的天线振子30以及如上所述的隔离板结构10，所述隔离板结构10和所述馈电网络板20通过所述连接结构卡扣连接，每个所述天线振子30收容于相应的所述隔离腔101内。
综上，本发明提供的隔离板结构10为横纵格栅式，且一体注塑成型，用于将两个或三个天线振子30分为一组进行隔离，结构简单，组装方便快捷。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (10)

  1. 一种隔离板结构，应用于天线阵列，并固定于天线阵列的馈电网络板，其特征在于，所述隔离板结构包括隔离板结构本体和设于所述隔离板结构本体上用于与馈电网络板连接的连接结构，所述隔离板结构本体包括两并行间隔设置的纵向隔离板，两所述纵向隔离板之间连接有若干条横向隔离板，若干条所述横向隔离板与两所述纵向隔离板限定出若干个用于容置单个天线振子且沿所述纵向隔离板的长度方向排布的隔离腔。
  2. 根据权利要求1所述的隔离板结构，其特征在于：每相邻两所述隔离腔之间通过两所述横向隔离板分隔。
  3. 根据权利要求1所述的隔离板结构，其特征在于：所述横向隔离板的靠近馈电网络板的侧面与所述馈电网络板间隔形成间隙。
  4. 根据权利要求1所述的隔离板结构，其特征在于：所述隔离板结构本体一体注塑成型。
  5. 根据权利要求1所述的隔离板结构，其特征在于：所述连接结构包括卡扣结构，所述卡扣结构包括与所述隔离板结构本体连接的连接部和连接于所述连接部的端部上的卡勾。
  6. 根据权利要求5所述的隔离板结构，其特征在于：所述卡勾包括凸设于所述连接部上的限位部和自所述限位部向远离所述隔离板结构本体的方向逐渐收缩的插接部。
  7. 根据权利要求5所述的隔离板结构，其特征在于：所述隔离板结构本体具有与馈电网络板贴合的底面，所述隔离板结构本体上自其底面向内开设有凹槽，所述连接部连接于所述凹槽的槽底面且所述卡勾凸出于所述隔离板结构本体的底面。
  8. 根据权利要求5所述的隔离板结构，其特征在于：所述隔离板结构本体还包括两端板，每所述端板连接一所述纵向隔离板的端部和另一所述纵向隔离板的端部，所述卡扣结构的数量为多个，多个所述卡扣结构中至少两个对称设于两所述纵向隔离板上、至少两个设于所述端板上。
  9. 根据权利要求8所述的隔离板结构，其特征在于：所述连接结构还包括连接于所述隔离板结构本体上用于与馈电网络板上的定位孔配合的定位柱。
  10. 一种天线，其特征在于，包括馈电网络板、多个呈阵列设置且连接于所述馈电网络板上的天线振子以及如权利要求1-9中任意一项所述的隔离板结构，所述隔离板结构和所述馈电网络板通过所述连接结构卡扣连接，每个所述天线振子收容于相应的所述隔离腔内。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101215A1 (zh) * 2015-12-16 2017-06-22 江苏省东方世纪网络信息有限公司 全向吸顶天线
CN108242597A (zh) * 2018-01-05 2018-07-03 成都银丰信禾电子科技有限公司 Ku频段微带型宽角扫描平板天线
CN208240881U (zh) * 2018-04-20 2018-12-14 深圳三星通信技术研究有限公司 一种用于天线的隔离条及天线
CN208336501U (zh) * 2018-01-05 2019-01-04 成都恪赛科技有限公司 Ku频段微带型宽角扫描平板天线
CN109167139A (zh) * 2018-08-20 2019-01-08 京信通信系统（中国）有限公司 腔体器件及天线

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101215A1 (zh) * 2015-12-16 2017-06-22 江苏省东方世纪网络信息有限公司 全向吸顶天线
CN108242597A (zh) * 2018-01-05 2018-07-03 成都银丰信禾电子科技有限公司 Ku频段微带型宽角扫描平板天线
CN208336501U (zh) * 2018-01-05 2019-01-04 成都恪赛科技有限公司 Ku频段微带型宽角扫描平板天线
CN208240881U (zh) * 2018-04-20 2018-12-14 深圳三星通信技术研究有限公司 一种用于天线的隔离条及天线
CN109167139A (zh) * 2018-08-20 2019-01-08 京信通信系统（中国）有限公司 腔体器件及天线

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