WO2021164061A1 - 天线振子及天线 - Google Patents
天线振子及天线 Download PDFInfo
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- WO2021164061A1 WO2021164061A1 PCT/CN2020/078171 CN2020078171W WO2021164061A1 WO 2021164061 A1 WO2021164061 A1 WO 2021164061A1 CN 2020078171 W CN2020078171 W CN 2020078171W WO 2021164061 A1 WO2021164061 A1 WO 2021164061A1
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- antenna
- side edge
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- antenna element
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Definitions
- the utility model relates to the technical field of communication, in particular to an antenna vibrator and an antenna.
- the antenna is an important part of the wireless mobile communication system.
- the performance of the antenna has a significant impact on the wireless communication data transmission. With the rapid development of the wireless communication system, the antenna performance requirements are getting higher and higher, and the antenna is miniaturized and low-cost. It is a trend in the future development of communication systems.
- the antenna element structure of the existing antenna is complicated, the processing cost is high, and the volume is large, which is not suitable for the market requirement of miniaturization of the existing antenna.
- the purpose of the utility model is to provide an antenna element and an antenna, which aims to solve the technical problems of high processing cost of the antenna element and excessive overall size.
- the present invention provides an antenna oscillator, which includes a radiating sheet, a power dividing plate, and a plurality of supporting pillars arranged at intervals.
- the ends are respectively connected to the radiating sheet and the power splitting board,
- the power splitting board includes a substrate and a power feeding portion provided on the substrate, and the power feeding portion includes a power feeding sheet and two spaced feeding extensions
- the feeding extension end extends from the edge of the feeding piece to a side away from the feeding piece for electrical connection with an external feed source, the feeding piece and the feeding extension end They are all arranged on the side of the substrate close to the radiation sheet in the form of patches to form a coupling with the radiation sheet.
- the distance from the side of the radiation sheet away from the power dividing plate to the side of the substrate close to the radiation sheet is 5.5 ⁇ 0.05 mm.
- the distance from the side of the radiation sheet away from the power dividing plate to the side of the substrate close to the radiation sheet is 5.5 ⁇ 0.01 mm.
- the feeding piece has two first side edges arranged at intervals and two second side edges arranged at intervals, both ends of the first side edge are connected perpendicularly to the two second side edges,
- the feeding extension ends respectively extend outward from the middle of the first side edge and the second side edge, and are electrically connected to an external feed source to make the antenna element generate ⁇ 45 degree polarization.
- the feeding extension end includes a first connecting portion and a second connecting portion that are connected, and one end of the first connecting portion is away from the feeding piece from the first side edge or the second side edge.
- One side of the second connecting portion is bent and extended outward, and the second connecting portion extends outward from the other end of the first connecting portion.
- the radiating sheet has two third side edges arranged at intervals and two fourth side edges arranged at intervals, both ends of the third side edge are connected perpendicularly to the two fourth side edges,
- the projections of the third side edge and the first side edge, the fourth side edge and the second side edge on the substrate are all arranged at an angle.
- the antenna element further includes a plurality of rivets, and both the radiating sheet and the supporting column are fixed to the power dividing board by the rivets.
- the utility model also provides an antenna, which includes at least one antenna element as described above.
- the feeding part of the utility model adopts a patch form to be arranged on the power distribution board without welding and other processing techniques, so the feeding part has high consistency, and the antenna oscillator has no manual welding cost, and the processing cost is reduced.
- the design of the entire antenna It is simpler, and the overall size of the antenna is reduced;
- the height of the antenna element is very low, which can meet the requirements of products with strict restrictions on the antenna height on the market, and has market competitiveness.
- FIG. 1 is a schematic diagram of a three-dimensional structure of an antenna element provided by an embodiment of the present invention
- Fig. 2 is a schematic diagram 1 of an exploded structure of an antenna element provided by an embodiment of the present invention
- Fig. 3 is a second schematic diagram of the exploded structure of the antenna element provided by the embodiment of the present invention.
- Figure 4 is a side view of the antenna element provided by the embodiment of the present invention.
- Fig. 5 is a partial enlarged schematic diagram of the circle A in Fig. 4;
- Fig. 6 is a schematic diagram of a three-dimensional structure of a power feeding part provided by an embodiment of the present invention.
- Antenna element 10, radiating sheet; 11, third side edge; 12, fourth side edge; 13, first perforation; 20, power divider board; 21, base plate; 211, third perforation; 22, feeder 221, power feeding piece; 222, power feeding extension end; 223, first side edge; 224, second side edge; 225, first connection part; 226, second connection part; 227, second perforation; 23 , Conductive plate; 231, fourth perforation; 30, support column; 31, mounting hole; 40, rivets.
- An embodiment of the present invention provides an antenna.
- the antenna includes a feed and at least one antenna element 1.
- each antenna element 1 is in an array They are arranged and connected to external feed sources so as to better improve the efficiency of the antenna.
- the antenna element 1 in this embodiment includes a radiating sheet 10, a power splitter plate 20, and a number of support columns 30 arranged at intervals.
- the support columns 30 are made of non-conductive material, preferably It is made of plastic.
- the radiating sheet 10 and the power dividing board 20 are arranged in parallel and spaced apart.
- the two ends of the supporting column 30 are respectively connected to the radiating sheet 10 and the power dividing board 20.
- the power dividing board 20 includes a substrate 21 and a power feeding portion 22 provided on the substrate 21.
- the electrical portion 22 includes a feeding piece 221 and two feeding extension ends 222 arranged at intervals.
- the feeding extension end 222 extends from the edge of the feeding piece 221 to a side away from the feeding piece 221 for the purpose of communicating with the outside.
- the source is electrically connected, and the power feeding sheet 221 and the feeding extension end 222 are both arranged on the side of the substrate 21 close to the radiation sheet 10 in the form of patches to form a coupling with the radiation sheet 10.
- the feeding piece 221 and the feeding extension 222 can be formed on the substrate 21 by plating or printing processes, and the feeding part 22 does not require welding or other processing or assembly processes, so the feeding part of the antenna element 1 is consistent High, and no manual assembly and welding costs.
- the power feeding piece 221 in this embodiment has a square structure, and the power feeding piece 221 has two spaced apart first side edges 223 and two spaced apart second side edges 224.
- the two ends of the first side edge 223 are respectively perpendicularly connected to the two second side edges 224, and the two feeding extension ends 222 respectively extend outward from the middle of a first side edge 223 and a second side edge 224 for communication with
- the external feed is electrically connected to make the antenna element 1 generate ⁇ 45 degree dual polarization, and the isolation between the dual polarizations is high, avoiding mutual interference, and improving the quality of the antenna element 1 receiving and transmitting signals.
- the feeding extension 222 includes a first connecting portion 225 and a second connecting portion 226 connected to each other.
- One end of the first connecting portion 225 extends from the first side edge 223 or the second side.
- the edge 224 is bent and extended to the side away from the feeding piece 221, the second connecting portion 226 extends outward from the other end of the first connecting portion 225, the first connecting portion 225, the second connecting portion 226, and the feeding piece 221 They are all arranged on the substrate 21 in the form of patches, and the two second connecting portions 226 are arranged in parallel.
- the distance L from the side of the radiation sheet 10 away from the power dividing plate 20 to the side of the substrate 21 close to the radiation sheet 10 is 5.5 ⁇ 0.05 mm.
- the distance L from the side of the radiating sheet 10 away from the power splitter plate 20 to the side of the substrate 21 close to the radiating sheet 10 is 5.5 ⁇ 0.01 mm, and the height of the antenna element 1 is very low, which can meet the strict requirements on the antenna height in the market. Restricted product use, market competitiveness.
- the radiation sheet 10 in this embodiment has a square structure
- the radiation sheet 10 has two spaced third side edges 11 and two spaced fourth side edges 12, the third side edge 11
- the two ends of is respectively perpendicularly connected to the two fourth side edges 12, and the projections of the third side edge 11 and the first side edge 223, and the fourth side edge 12 and the second side edge 224 on the substrate 21 are arranged at an angle.
- the included angle is 45°.
- the number of support posts 30 is four
- the radiation sheet 10 is provided with four first perforations 13 spaced apart
- the first perforations 13 are close to the third side edge 11 or the fourth side edge 12
- the power feeding sheet 221 is provided with four second perforations 227 in the middle, and each second perforation 227 is respectively provided at the angle between each first side edge 223 and the corresponding second side edge 224.
- the power dividing board 20 further includes a conductive plate 23, the conductive plate 23 is closely attached to the side of the substrate 21 away from the power feeding piece 221, the substrate 21 has a number of third through holes 211, the conductive plate 23 has a plurality of fourth through holes 231.
- the power divider board 20 also includes a power divider network that connects the external feed source and the feed extension end 222.
- the power divider network can use a conventional power divider network structure, which will not be repeated here.
- the antenna element 1 also includes a number of rivets 40.
- the support column 30 is axially penetrated with a mounting hole 31.
- the rivet 40 penetrates the first through hole 13, the mounting hole 31, the second through hole 227, the third through hole 211, and the fourth through hole 231.
- the radiating sheet 10 and the supporting column 30 are fixed on the power dividing board 20 in a manner. Therefore, the assembly of the antenna element 1 is very simple. It only needs to fix the radiating sheet 10 and the supporting column 30 on the power divider plate 20 with rivets 40. No other production process is required, which shortens the production cycle and reduces the production cost.
Abstract
本实用新型提供一种天线振子及天线，天线振子包括辐射片、功分板以及若干间隔设置的支撑柱，辐射片与功分板平行间隔设置，支撑柱的两端分别与辐射片和功分板连接，功分板包括基板和设于基板上的馈电部，馈电部包括馈电片以及两个间隔设置的馈电延伸端，馈电延伸端自馈电片的边缘向远离馈电片的一侧往外延伸以用于与外部馈源电连接，馈电片和馈电延伸端都通过贴片形式设置于基板之靠近辐射片的一侧以与辐射片形成耦合。本实用新型的馈电部部分采用贴片形式安装于功分板上，无需焊接等其他加工工艺，所以馈电部分一致性高，且天线振子无人工焊接成本，加工成本降低，整个天线的设计更简单化，同时天线的整体尺寸也降低。
Description
本实用新型涉及通信技术领域，尤其涉及一种天线振子及天线。
天线是无线移动通讯系统的重要组成部分，天线的性能优劣对于无线通讯数据传输有着重大的影响，随着无线通讯系统的快速发展，天线性能要求越来越高，天线小型化、低成本将是通讯系统未来发展的一种趋势。
但是，现有的天线中天线振子结构复杂，加工成本高，体积大，不适于现有天线小型化的市场要求。
因此，有必要提供一种改进的天线振子以解决上述问题。
本实用新型的目的在于提供一种天线振子及天线，其旨在解决天线振子加工成本高和整体尺寸过大的技术问题。
本实用新型的技术方案如下：
为实现上述目的，本实用新型提供了一种天线振子，包括辐射片、功分板以及若干间隔设置的支撑柱，所述辐射片与所述功分板平行间隔设置，所述支撑柱的两端分别与所述辐射片和所述功分板连接，所述功分板包括基板和设于基板上的馈电部，所述馈电部包括馈电片以及两个间隔设置的馈电延伸端，所述馈电延伸端自所述馈电片的边缘向远离所述馈电片的一侧往外延伸以用于与外部馈源电连接，所述馈电片和所述馈电延伸端都通过贴片形式设置于所述基板之靠近所述辐射片的一侧以与所述辐射片形成耦合。
进一步地，所述辐射片之远离所述功分板的一侧到所述基板之靠近所述辐射片一侧的距离为5.5±0.05mm。
进一步地，所述辐射片之远离所述功分板的一侧到所述基板之靠近所述辐射片一侧的距离为5.5±0.01mm。
进一步地，所述馈电片具有两个间隔设置第一侧边缘以及两个间隔设置的第二侧边缘，所述第一侧边缘的两端分别与两所述第二侧边缘垂直连接，两所述馈电延伸端分别自所述第一侧边缘和所述第二侧边缘的中部向外延伸，并与外部馈源电连接以使所述天线振子产生±45度极化。
进一步地，所述馈电延伸端包括相连接的第一连接部和第二连接部，所述第一连接部的一端自所述第一侧边缘或第二侧边缘向远离所述馈电片的一侧往外弯折延伸，所述第二连接部自所述第一连接部的另一端向外延伸。
进一步地，所述辐射片具有两个间隔设置第三侧边缘以及两个间隔设置的第四侧边缘，所述第三侧边缘的两端分别与两所述第四侧边缘垂直连接，且所述第三侧边缘与所述第一侧边缘、所述第四侧边缘与所述第二侧边缘在所述基板上的投影都呈夹角设置。
进一步地，所述天线振子还包括若干铆钉，所述辐射片和支撑柱都通过铆钉固定于所述功分板上。
本实用新型还提供了一种天线，包括至少一个如上述所述的天线振子。
本实用新型的有益效果在于：
本实用新型的馈电部部分采用贴片形式设置于功分板上，无需焊接等其他加工工艺，所以馈电部分一致性高，且天线振子无人工焊接成本，加工成本降低，整个天线的设计更简单化，同时天线的整体尺寸降低；
天线振子高度非常低，可以满足市面上对天线高度有严格限制的产品使用，有市场竞争力。
图1是本实用新型实施例提供的天线振子的立体结构示意图；
图2是本实用新型实施例提供的天线振子的爆炸结构示意图一；
图3是本实用新型实施例提供的天线振子的爆炸结构示意图二；
图4是本实用新型实施例提供的天线振子的侧视图；
图5是图4中圈A处的局部放大示意图；
图6是本实用新型实施例提供的馈电部的立体结构示意图。
附图标号说明：
1、天线振子；10、辐射片；11、第三侧边缘；12、第四侧边缘；13、第一穿孔；20、功分板；21、基板；211、第三穿孔；22、馈电部；221、馈电片；222、馈电延伸端；223、第一侧边缘；224、第二侧边缘；225、第一连接部；226、第二连接部；227、第二穿孔；23、导电板；231、第四穿孔；30、支撑柱；31、安装孔；40、铆钉。
下面结合附图和实施方式对本实用新型作进一步说明。
需要说明的是，本实用新型实施例中所有方向性指示（诸如上、下、内、外、顶部、底部……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
还需要说明的是，当元件被称为“固定于”或“设置于”另一个元件上时，该元件可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为“连接”另一个元件，它可以是直接连接另一个元件或者可能同时存在居中元件。
请参阅图1，本实用新型的实施例提供了一种天线，该天线包括馈源以及至少一个天线振子1，当本实施例中天线振子1的数量为多个时，各天线振子1呈阵列排布设置并都与外部馈源相连接，以便于能更好的提高天线的效能。
具体地，请参阅图1至图3和图6，本实施例中的天线振子1包括辐射片10、功分板20以及若干间隔设置的支撑柱30，支撑柱30为非导电材质制作，优选为塑胶材质。辐射片10与功分板20平行间隔设置，支撑柱30的两端分别与辐射片10和功分板20连接，功分板20包括基板21和设于基板21上的馈电部22，馈电部22包括馈电片221以及两个间隔设置的馈电延伸端222，馈电延伸端222自馈电片221的边缘向远离馈电片221的一侧往外延伸，以用于与外部馈源电连接，馈电片221和馈电延伸端222都通过贴片形式设置于基板21之靠近辐射片10的一侧以与辐射片10形成耦合。具体的，馈电片221及馈电延伸端222可通过电镀或印刷等工艺形成于基板21上，馈电部22无需焊接等其它加工或组装工艺，所以该天线振子1的馈电部分一致性高，且无人工组装焊接成本。
请参阅图6，作为优选地实施方式，本实施例中的馈电片221为方形结构，馈电片221具有两个间隔设置第一侧边缘223以及两个间隔设置的第二侧边缘224，第一侧边缘223的两端分别与两第二侧边缘224垂直连接，两馈电延伸端222分别自一个第一侧边缘223和一个第二侧边缘224的中部向外延伸，以用于与外部馈源电连接以使天线振子1产生±45度双极化，且双极化间的隔离度高，避免相互干扰，可提高天线振子1接收和发射信号的质量。
请进一步参阅图6，作为优选地实施方式，馈电延伸端222包括相连接的第一连接部225以及第二连接部226，第一连接部225的一端自第一侧边缘223或第二侧边缘224向远离馈电片221的一侧往外弯折延伸，第二连接部226自第一连接部225的另一端向外延伸，第一连接部225、第二连接部226以及馈电片221都通过贴片形式设置于基板21上，且两第二连接部226平行设置。
请参阅图4，辐射片10之远离功分板20的一侧到基板21之靠近辐射片10一侧的距离L为5.5±0.05mm。优选地，辐射片10之远离功分板20的一侧到基板21之靠近辐射片10一侧的距离L为5.5±0.01mm，天线振子1高度非常低，可以满足市面上对天线高度有严格限制的产品使用，有市场竞争力。
请参阅图1和图4，本实施例中辐射片10为方形结构，辐射片10具有两个间隔设置的第三侧边缘11以及两个间隔设置的第四侧边缘12，第三侧边缘11的两端分别与两第四侧边缘12垂直连接，且第三侧边缘11与第一侧边缘223、第四侧边缘12与第二侧边缘224在基板21上的投影都呈夹角设置，优选的，该夹角为45°。
请参阅图2和图6，支撑柱30的数量为四个，辐射片10上设有四个间隔设置的第一穿孔13，第一穿孔13靠近第三侧边缘11或者第四侧边缘12的中部设置，馈电片221设有四个第二穿孔227，各第二穿孔227分别设置于各第一侧边缘223与相对应的第二侧边缘224之间的夹角处。
请参阅图2至图5，作为优选地实施方式，功分板20还包括导电板23，导电板23紧贴于基板21之远离馈电片221的一侧，基板21上具有若干第三穿孔211，导电板23上具有若干第四穿孔231。需要说明的是，功分板20还包括连接外部馈源和馈电延伸端222的功分网络，功分网络可选用常规的功分网络结构，在此不再赘述。
天线振子1还包括若干铆钉40，支撑柱30轴向贯穿设有安装孔31，铆钉40贯穿第一穿孔13、安装孔31、第二穿孔227、第三穿孔211和第四穿孔231，通过铆接的方式将辐射片10和支撑柱30固定于功分板20上。因此，天线振子1的组装非常简单，只需用铆钉40将辐射片10和支撑柱30固定在功分板20上即可，无其他生产工艺，缩短了生产周期，降低了生产成本。
以上的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。
Claims (8)
- 一种天线振子，其特征在于，包括辐射片、功分板以及若干间隔设置的支撑柱，所述辐射片与所述功分板平行间隔设置，所述支撑柱的两端分别与所述辐射片和所述功分板连接，所述功分板包括基板和设于基板上的馈电部，所述馈电部包括馈电片以及两个间隔设置的馈电延伸端，所述馈电延伸端自所述馈电片的边缘向远离所述馈电片的一侧往外延伸以用于与外部馈源电连接，所述馈电片和所述馈电延伸端都通过贴片形式设置于所述基板之靠近所述辐射片的一侧以与所述辐射片形成耦合。
- 根据权利要求1所述的天线振子，其特征在于，所述辐射片之远离所述功分板的一侧到所述基板之靠近所述辐射片一侧的距离为5.5±0.05mm。
- 根据权利要求2所述的天线振子，其特征在于，所述辐射片之远离所述功分板的一侧到所述基板之靠近所述辐射片一侧的距离为5.5±0.01mm。
- 根据权利要求1所述的天线振子，其特征在于，所述馈电片具有两个间隔设置第一侧边缘以及两个间隔设置的第二侧边缘，所述第一侧边缘的两端分别与两所述第二侧边缘垂直连接，两所述馈电延伸端分别自所述第一侧边缘和所述第二侧边缘的中部向外延伸，并与外部馈源电连接以使所述天线振子产生±45度极化。
- 根据权利要求4所述的天线振子，其特征在于，所述馈电延伸端包括相连接的第一连接部和第二连接部，所述第一连接部的一端自所述第一侧边缘或第二侧边缘向远离所述馈电片的一侧往外弯折延伸，所述第二连接部自所述第一连接部的另一端向外延伸。
- 根据权利要求5所述的天线振子，其特征在于，所述辐射片具有两个间隔设置第三侧边缘以及两个间隔设置的第四侧边缘，所述第三侧边缘的两端分别与两所述第四侧边缘垂直连接，且所述第三侧边缘与所述第一侧边缘、所述第四侧边缘与所述第二侧边缘在所述基板上的投影都呈夹角设置。
- 根据权利要求1所述的天线振子，其特征在于，所述天线振子还包括若干铆钉，所述辐射片和支撑柱都通过铆钉固定于所述功分板上。
- 一种天线，其特征在于，包括至少一个如权利要求1-7任一项所述的天线振子。
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| CN113036432A (zh) * | 2021-03-10 | 2021-06-25 | 广东富宇鸿通讯有限公司 | 一种异频滤波天线、异频滤波天线的制作方法、应用 |
| CN114083267A (zh) * | 2021-11-08 | 2022-02-25 | 东莞劲天荣昌精密电子有限公司 | 一种天线模块组装方法及天线模块组装设备 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6788258B2 (en) * | 2002-04-09 | 2004-09-07 | Arc Wireless Solutions, Inc. | Partially shared antenna aperture |
| CN1636299A (zh) * | 2001-09-24 | 2005-07-06 | 塔莱斯荷兰公司 | 贴片馈入印刷天线 |
| US8102330B1 (en) * | 2009-05-14 | 2012-01-24 | Ball Aerospace & Technologies Corp. | Dual band circularly polarized feed |
| CN104157978A (zh) * | 2014-05-20 | 2014-11-19 | 电子科技大学 | 一种改进型角馈高隔离度双极化叠层微带天线 |
| CN106785489A (zh) * | 2016-12-20 | 2017-05-31 | 北京佰才邦技术有限公司 | 天线 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1636299A (zh) * | 2001-09-24 | 2005-07-06 | 塔莱斯荷兰公司 | 贴片馈入印刷天线 |
| US6788258B2 (en) * | 2002-04-09 | 2004-09-07 | Arc Wireless Solutions, Inc. | Partially shared antenna aperture |
| US8102330B1 (en) * | 2009-05-14 | 2012-01-24 | Ball Aerospace & Technologies Corp. | Dual band circularly polarized feed |
| CN104157978A (zh) * | 2014-05-20 | 2014-11-19 | 电子科技大学 | 一种改进型角馈高隔离度双极化叠层微带天线 |
| CN106785489A (zh) * | 2016-12-20 | 2017-05-31 | 北京佰才邦技术有限公司 | 天线 |
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