CN204516896U - Small-sized plane shape trap UWB antenna - Google Patents
Small-sized plane shape trap UWB antenna Download PDFInfo
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- CN204516896U CN204516896U CN201520226713.XU CN201520226713U CN204516896U CN 204516896 U CN204516896 U CN 204516896U CN 201520226713 U CN201520226713 U CN 201520226713U CN 204516896 U CN204516896 U CN 204516896U
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Abstract
The utility model discloses a kind of small-sized plane shape trap UWB antenna.This antenna is made up of medium substrate, radiation patch and microstrip feed line and ground plane, radiation patch is connected with microstrip feed line by little rectangular block, and be printed on the front of medium substrate, radiation patch is made up of circular cell and semicircle cell mesh overlap, and has a finedraw in the middle of radiating element.The utility model planar shaped trap UWB antenna resonance covers 3GHz-11GHz, and application is extensive, has 5.1GHz-5.9GHz frequency range trap function simultaneously.The small volume of antenna, has wide impedance frequency range, and the regulable center frequency of antenna trap frequency range.
Description
Technical field
This antenna is applicable to wireless communication field, particularly relates to a kind of small-sized plane shape trap UWB antenna.
Background technology
In recent years, the application along with wireless communication system is more and more wider.Ultra-wideband antenna can carry out impedance matching in 3.1-10.6GHz frequency band, has stable gain and good radiation direction characteristic, and antenna is of compact construction and cheap manufacturing cost.For avoiding the interference of wireless local area network band signal, conventional means are that grooving method realizes trap in radiation patch and ground plane.Trap UWB antenna has very wide impedance bandwidth and good omnidirectional radiation characteristic, and have that volume is little, transmission rate is high, low in energy consumption, anti-multipath fading and be convenient to the advantages such as some frequency hiding.
The implementation method of trap UWB antenna is mainly by the difform radiating element of design; make its work ultra wideband frequency; if the patent No. is 201310036282.6; patent name is the Chinese patent of " a kind of ultra-wideband antenna with trap characteristic "; radiation patch is formed by connecting by the different rectangle of two-stage size and trapezoidal combination; form gradual change hierarchic structure; The part metals ground plane of antenna opens semiellipse recess, opens L shape gap at the side of part metals ground plane.By selecting suitable size, just can meet its ultra broadband operating characteristic and trap characteristic, Antenna Design more complicated, and size is comparatively large, and adopts gradual change feed structure, make troubles to design and debugging.If the patent No. is 201120111209.7, patent name is the Chinese patent of " a kind of trap UWB antenna ", circular ring-shaped radiation unit and microstrip-fed mode is utilized to realize ultra-wideband communications demand, a tuning microstrip line is inserted in the middle of circular ring-shaped radiation unit, produce trap characteristic, but need fluting on ground plane to realize wider impedance bandwidth, and volume is larger, can not realize the miniaturization of system, the making of antenna requires relatively high.
Summary of the invention
For the deficiencies in the prior art, propose a kind of small-sized plane shape trap UWB antenna, adopt coplanar wave guide feedback, this aerial radiation paster is made up of circular cell and semicircle unit, antenna can work in ultra broadband frequency band, wherein has finedraw in the middle of radiation patch, can realize trap function, by adjusting the length of finedraw, the trap of assigned frequency band can be realized.
The utility model adopts following technical scheme:
The utility model small-sized plane shape trap UWB antenna, is characterized in that: described planar shaped trap UWB antenna is printed on medium substrate, and its composition comprises medium substrate, radiation patch, little rectangular patch, microstrip feed line and ground plane; It is characterized in that: described radiation patch, little rectangular patch, microstrip feed line and ground plane are all printed on the front of medium substrate; It is characterized in that: described radiation patch is made up of a circular cell and a semicircle cell mesh overlap, in the middle of described radiating element, have a finedraw; It is characterized in that: described microstrip feed line is connected with radiation patch lower end by little rectangular patch; It is characterized in that: described ground plane is distributed in the both sides of microstrip feed line, forms coplanar waveguide structure with microstrip feed line.
Compared with prior art, the utility model has following remarkable advantage:
1, resonance band band is roomy: by the overlapping combinations of circular configuration and semicircular structure, effectively realize Antenna Operation at ultra broadband frequency band;
2, trap frequency range is adjustable: the utility model employing has a finedraw and realizes trap in radiation patch, by regulating position and the length of finedraw, adjustable trap frequency range;
3, comparatively minor structure is simple for antenna size: be of the present utility modelly made up of circular configuration and semicircular structure, and structure is simple, can reduce the volume of antenna simultaneously.
Accompanying drawing explanation
Fig. 1 is the front elevation of the utility model small-sized plane shape trap UWB antenna.
Fig. 2 is the return loss plot figure of the utility model small-sized plane shape trap UWB antenna.
Fig. 3 is the voltage standing wave ratio curve chart of the utility model small-sized plane shape trap UWB antenna.
Fig. 4 is the antenna pattern of the utility model small-sized plane shape trap UWB antenna at 3GHz.
Fig. 5 is the antenna pattern of the utility model small-sized plane shape trap UWB antenna at 7GHz.
Fig. 7 is the antenna pattern of the utility model small-sized plane shape trap UWB antenna at 8GHz.
Fig. 8 is the antenna pattern of the utility model small-sized plane shape trap UWB antenna at 9GHz.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
As Fig. 1, a preferred embodiment is in 3GHz-11GHz frequency band resonance, makes Antenna Operation at ultra wideband frequency.This planar shaped trap UWB antenna is made up of medium substrate 1, microstrip feed line 2, little rectangular block unit 3, circular cell 4, semicircle unit 5, finedraw 6, ground plane 7 and ground plane 8.
Specifically be implemented as follows: aerial radiation paster is made up of circular cell and semicircle cells overlap, wherein have a finedraw in the middle of radiating element, be connected with microstrip feed line by little rectangular block on the downside of radiating element.Ground plane is positioned at microstrip-fed both sides.
See Fig. 1, label 1 is medium substrate, and material is FR4, and dielectric constant is 4.4, and the length, width and height of dielectric-slab are of a size of 28mm × 26mm × 1.6mm; Label 2 is microstrip feed lines, is positioned at the upper surface of dielectric-slab, and its length and width are of a size of 10.5mm × 1.5mm; Label 3 is little rectangular block unit, and length and width are of a size of 3mm × 0.5mm.Label 4 is circular cell, and its lower end is connected with little rectangular block, and radius is 8.2mm.Label 5 is semicircle unit, and its radius is 12.2mm; Label 6 is positioned at the centre of radiation patch for finedraw, and length and width are of a size of 15 × 0.2mm; Label 7 mod sum label 8 is ground plane, is positioned at microstrip-fed both sides, equal and opposite in direction, and its length and width are of a size of 12.07 × 10.3mm.
Fig. 2 is the return loss plot of the present embodiment, and as can be seen from Figure 2 antenna return loss in 2.7GHz-11.8GHz frequency range is less than-10dB, and has trap function in 5.1GHz-5.9GHz frequency range.Fig. 3 is the voltage standing wave ratio curve chart of the present embodiment, can find out all to be less than 2 in the voltage standing wave ratio of above-mentioned frequency range internal antenna.Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and be respectively the directional diagram of the present embodiment antenna when 3GHz, 7GHz, 8GHz, 9GHz, as can be seen from the figure the present embodiment all has good omni-directional in each working frequency range, on the vertical plane, antenna meets the directional characteristic of the figure of eight.Comprehensively analyze from above legend, the present embodiment has good resonance characteristic and directivity at each working frequency range, meets design requirement.
Above-mentioned example is the utility model preferably execution mode; in addition on the basis of the present embodiment; change the size of microstrip feed line, radiation patch and ground plane, change the size of circular cell, semicircle unit and finedraw, all should be included in protection range of the present utility model.
Claims (5)
1. small-sized plane shape trap UWB antenna, is characterized in that: described planar shaped trap UWB antenna is printed on medium substrate, and its composition comprises medium substrate, radiation patch, little rectangular patch, microstrip feed line and ground plane.
2. the small-sized plane shape trap UWB antenna as described in patent requirements 1, is characterized in that: described radiation patch, little rectangular patch, microstrip feed line and ground plane are all printed on the front of medium substrate.
3. the small-sized plane shape trap UWB antenna as described in patent requirements 1, is characterized in that: described radiation patch is made up of a circular cell and a semicircle cell mesh overlap, has a finedraw in the middle of described radiating element.
4. the small-sized plane shape trap UWB antenna as described in patent requirements 1, is characterized in that: described microstrip feed line is connected with radiation patch lower end by little rectangular patch.
5. the small-sized plane shape trap UWB antenna as described in patent requirements 1, is characterized in that: described ground plane is distributed in the both sides of microstrip feed line, forms coplanar waveguide structure with microstrip feed line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226713.XU CN204516896U (en) | 2015-04-16 | 2015-04-16 | Small-sized plane shape trap UWB antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226713.XU CN204516896U (en) | 2015-04-16 | 2015-04-16 | Small-sized plane shape trap UWB antenna |
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| Publication Number | Publication Date |
|---|---|
| CN204516896U true CN204516896U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520226713.XU Expired - Fee Related CN204516896U (en) | 2015-04-16 | 2015-04-16 | Small-sized plane shape trap UWB antenna |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762867A (en) * | 2016-01-27 | 2016-07-13 | 深圳市海云天投资控股有限公司 | Wireless energy collection charging device used for mobile device |
| CN106876948A (en) * | 2015-12-14 | 2017-06-20 | 哈尔滨飞羽科技有限公司 | A kind of new dual-attenuation ultra-wideband antenna |
| CN107026311A (en) * | 2017-03-24 | 2017-08-08 | 电子科技大学 | A kind of multifrequency terminal antenna communicated suitable for 4G |
| CN108054519A (en) * | 2017-12-06 | 2018-05-18 | 哈尔滨工程大学 | A kind of wideband directional millimeter wave antenna |
| CN108767470A (en) * | 2018-07-12 | 2018-11-06 | 河北工业大学 | A kind of discrete embedded medium resonator antenna of ultra wideband omni-directional low section |
| CN111224238A (en) * | 2020-02-29 | 2020-06-02 | 华南理工大学 | Wearable flexible ultra-wideband dual-notch antenna |
| CN113571910A (en) * | 2021-07-30 | 2021-10-29 | 海信集团控股股份有限公司 | Millimeter wave antenna, vehicle-mounted millimeter wave radar and automobile |
| CN113922051A (en) * | 2021-11-03 | 2022-01-11 | 西安邮电大学 | Broadband MIMO antenna with self-decoupling characteristic |
-
2015
- 2015-04-16 CN CN201520226713.XU patent/CN204516896U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876948A (en) * | 2015-12-14 | 2017-06-20 | 哈尔滨飞羽科技有限公司 | A kind of new dual-attenuation ultra-wideband antenna |
| CN105762867A (en) * | 2016-01-27 | 2016-07-13 | 深圳市海云天投资控股有限公司 | Wireless energy collection charging device used for mobile device |
| CN107026311A (en) * | 2017-03-24 | 2017-08-08 | 电子科技大学 | A kind of multifrequency terminal antenna communicated suitable for 4G |
| CN108054519A (en) * | 2017-12-06 | 2018-05-18 | 哈尔滨工程大学 | A kind of wideband directional millimeter wave antenna |
| CN108054519B (en) * | 2017-12-06 | 2020-07-28 | 哈尔滨工程大学 | Broadband directional millimeter wave antenna |
| CN108767470A (en) * | 2018-07-12 | 2018-11-06 | 河北工业大学 | A kind of discrete embedded medium resonator antenna of ultra wideband omni-directional low section |
| CN111224238A (en) * | 2020-02-29 | 2020-06-02 | 华南理工大学 | Wearable flexible ultra-wideband dual-notch antenna |
| CN113571910A (en) * | 2021-07-30 | 2021-10-29 | 海信集团控股股份有限公司 | Millimeter wave antenna, vehicle-mounted millimeter wave radar and automobile |
| CN113571910B (en) * | 2021-07-30 | 2024-04-05 | 海信集团控股股份有限公司 | Millimeter wave antenna, vehicle-mounted millimeter wave radar and automobile |
| CN113922051A (en) * | 2021-11-03 | 2022-01-11 | 西安邮电大学 | Broadband MIMO antenna with self-decoupling characteristic |
| US11735831B2 (en) | 2021-11-03 | 2023-08-22 | Xi'an University Of Posts & Telecommunications | Broadband MIMO antenna with self-decoupling characteristics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170112 Address after: Double Town Industrial Park Tianjin city 300222 Jinnan Hengde Industrial Park building 45 109-3 Patentee after: Tianjin dragon Maoming Wei Technology Co., Ltd. Address before: 300222 Dagu South Road, Jinnan District, No. 1310, No. Patentee before: Tianjin University of Technology and Education |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190416 |