CN101276956A - V-shaped multiple frequency bands broadband patch antenna - Google Patents
V-shaped multiple frequency bands broadband patch antenna Download PDFInfo
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- CN101276956A CN101276956A CN 200810020191 CN200810020191A CN101276956A CN 101276956 A CN101276956 A CN 101276956A CN 200810020191 CN200810020191 CN 200810020191 CN 200810020191 A CN200810020191 A CN 200810020191A CN 101276956 A CN101276956 A CN 101276956A
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Abstract
The invention discloses a V-shaped multi-band wideband patch antenna. Both sides of the V-shaped groove separately are provided with a rectangular slot which realizes a wideband characteristic of 800MHz to 960MHz and processes turning. A center frequency shift groove adjusting working frequency of 1710MHz to 2500MHz is arranged along a center line in a corner of the inside of the V-shaped groove. Both sides of the arrow-shaped patch are provided with appended patches. Because of adopting the structure, compared with existing technology, the invention has the advantages that: (1) the invention not only realizes the multi-band and wideband characteristics of the patch antenna, but also reflects a low section characteristic of a microstrip antenna, in particular to comprising practicable frequency of the mobile communication in the range of 806MHz to 2500MHz; (2) the invention processes a technology of combining extra slotting and impressed appended patch on the base of slotting in original metal land, and on the base of guaranteeing the low section of the microstrip antenna, two frequency bands separately reach to a bandwidth of 17.05% and a bandwidth of 38.1%, and the patch antenna has simple making, low operation cost, easy realization and can be worked in each frequency band of the generic communication system and be suitable for mass production.
Description
Technical field
The present invention relates to the antenna of mobile communication system and general-purpose system frequency domain, particularly a kind of V-arrangement multiple frequency bands broadband patch antenna that covers all available frequency bands of 800MHz-2500MHz.
Background technology.
Present arrival along with the 3G epoch, require the integrated of general utility functions in mobile communication, this just requires antenna to have the feature in multifrequency, broadband, paster antenna in the past generally comprises one to two frequency range wherein, the general frequency range of including mobile communication generally adopts antenna array and array-fed system, this antenna need be distinguished designing antenna unit and array, and complicated feeding network.Realize different frequency ranges with each sub antenna.Next is that the realization in broadband was to add the crack by air in the past, and the low section characteristic of microstrip antenna is difficult to realize like this.
The 23rd volume second phase of in April, 2007 " microwave journal ", by Zhang Junwen and clock paper that up time is shown " V-arrangement microstrip slot antenna ", this paper discloses to utilize the microstrip antenna band spread and increase the frequency technology is transformed invention.The described V-arrangement microstrip slot antenna of paper is formed with the flechette-type end feeding microstrip line that is positioned at the dielectric substrate back side by opening isosceles right angle V-arrangement radiating slot on the metal floor.The disclosed technical scheme of this paper adopts single V-shaped groove to realize wideband, and frequency band is 1146MHz---the single frequency band of 1776MHz.Its weak point is confined to broadband properties from the angle of experiment, and the disclosed frequency band of paper available band in mobile communication system does not all have covering (for example immediate frequency band DCS:1710M-1880MHz) fully.
Summary of the invention
Technical problem to be solved by this invention is, at the deficiencies in the prior art, provide a kind of make simple, cost is low, the V-arrangement multiple frequency bands broadband patch antenna of each general frequency range that can cover mobile communcations system.
For solving the problems of the technologies described above, technical scheme of the present invention is, a kind of V-arrangement multiband, wideband patch antenna, open a V-shaped groove in the middle part of comprising the metal ground that is positioned on the substrate one side, flechette-type paster on substrate middle dielectric layer and the substrate another side, it is characterized in that: the both sides of described V-shaped groove are respectively equipped with the broadband properties that realizes 800MHz-960MHz and carry out tuning rectangular channel, and the corner of the inboard of V-shaped groove is provided with along center line and regulates 1710MHz---the center shift frequency groove of 2500MHz working frequency range; The both sides of described flechette-type paster are provided with parasitic patch; Be provided with the fixing tuning dual-purpose screw more than at least two on the described substrate symmetrically.The present invention at first improves V-shaped groove, make its band shift in mobile communication available band scope, and by fluting, add means such as parasitic patch and further expand bandwidth, above-mentioned technical scheme can realize 806MHz---the 960MHz frequency band that is to say that the present invention has included existing mobile communication 800MHz---and all available frequency bands of 2500MHz.
The V-arrangement multiple frequency bands broadband patch antenna, the width of rebate of described rectangular channel equates.Metal ground symmetry is opened sipes, realizes wideband.
The V-arrangement multiple frequency bands broadband patch antenna, the width of rebate of described rectangular channel is unequal.Sipes and narrow groove are opened in metal ground, increase by 806 through optimizing---the 960M frequency.
The V-arrangement multiple frequency bands broadband patch antenna is characterized in that: an end of described rectangular channel is the groove mouth.
The V-arrangement multiple frequency bands broadband patch antenna, described rectangular channel for the sealing notch.
The V-arrangement multiple frequency bands broadband patch antenna, the arrow below of described flechette-type paster is provided with two parasitic patch symmetrically.Metal ground symmetry is opened sipes and is added parasitic patch realization wideband.
The V-arrangement multiple frequency bands broadband patch antenna, the edge of the both sides of described flechette-type paster to substrate both sides is provided with two parasitic patch symmetrically.
The V-arrangement multiple frequency bands broadband patch antenna is provided with four fixing tuning dual-purpose screws symmetrically on the described substrate.
V-arrangement multiple frequency bands broadband patch antenna, described center shift frequency groove are the rectangular channel of corner's opening that is positioned at the inboard of V-shaped groove.
The V-arrangement multiple frequency bands broadband patch antenna, owing to adopt said structure, compared with prior art, have the following advantages: (1) had both realized multifrequency, the broadband properties of paster antenna, embodied the low section characteristic of microstrip antenna again, particularly included 806MHz---2500MHz mobile communication available frequency band.(2) employing is different from the traditional design thinking, designs multifrequency, broadband, low section paster antenna simultaneously, and this paster antenna need not be organized battle array, avoids complicated feed system by the single port feed, can realize multifrequency, broadband and low section.(3) on the basis of original metal ground fluting, additionally slot and add the technology that parasitic patch combines, on the basis that guarantees the low section of microstrip antenna, two frequency ranges reach 17.05% and 38.1% bandwidth respectively, this paster antenna is made simple, operating cost is low, be easy to realize, can work in each frequency range of conventional wireless communication systems, be fit to produce in batches.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments;
Fig. 1 is V-arrangement multiple frequency bands broadband patch antenna embodiment 1 structural representation of the present invention;
Fig. 2 a, b are V-arrangement multiple frequency bands broadband patch antenna embodiment 2 structural representations of the present invention;
Fig. 3 a, b are V-arrangement multiple frequency bands broadband patch antenna embodiment 3 structural representations of the present invention;
Fig. 4 is V-arrangement multiple frequency bands broadband patch antenna embodiment 4 structural representations of the present invention;
Fig. 5 for the present invention 806---the corresponding curve chart of 960MHz standing-wave ratio and correlated frequency;
Fig. 6 for the present invention 1710---the corresponding curve chart of 2500MHz standing-wave ratio and correlated frequency;
Fig. 7 is the present invention's 0 degree and 90 gain diagram of spending at 0.9GHz;
Fig. 8 is the present invention's 0 degree and 90 gain diagram of spending at 2.0GHz.
In Fig. 1～Fig. 4,1, metal ground; 2, flechette-type paster; 3, substrate; 4, rectangular channel; 5, V-shaped groove; 6, rectangular channel; 7, center shift frequency groove; 8, parasitic patch; 9, parasitic patch; 10, screw.
The specific embodiment
Such as Fig. 1～shown in Figure 4, a kind of V-arrangement multiple frequency bands broadband patch antenna comprises being positioned on substrate 3 one sides 1 middle part, metal ground open a V-shaped groove 5, flechette-type pastes on substrate middle dielectric layer 3 and substrate 3 another sides Sheet 2, the both sides of described V-shaped groove 5 are respectively equipped with the broadband properties that realizes 800MHz-960MHz and advance Row tuning rectangular channel 4,6, the corner of the inboard of V-shaped groove 5 is provided with along center line and regulates 1710MHz---The center shift frequency groove 7 of 2500MHz working frequency range; Center shift frequency groove 7 turns for the inboard that is positioned at V-shaped groove 5 The rectangular channel of place, angle opening. The both sides of described flechette-type paster 2 are provided with parasitic patch 8,9; On the described substrate Be provided with symmetrically four fixing tuning dual-purpose screws 10.
Referring to Fig. 1, Fig. 1 is V-arrangement multiple frequency bands broadband patch antenna embodiment 1 structural representation of the present invention, a V-shaped groove 5 is opened at 1 middle part, metal ground that is positioned on substrate 3 one sides, flechette-type paster 2 on substrate middle dielectric layer 3 and substrate 3 another sides (among Fig. 1 shown in the dotted line), the width of rectangular channel 4 is greater than rectangular channel 6, and an end of rectangular channel 4 is the groove mouth, is used to realize the broadband properties of 800M-960MHz, rectangular channel 6 carries out tuning, the center shift frequency groove 7 main 1710MHz-2500MHz working frequency range of regulating.
Referring to Fig. 2 a, b, Fig. 2 a, b are V-arrangement multiple frequency bands broadband patch antenna embodiment 2 structural representations of the present invention; Fig. 2 a is the structural representation on 1 on metal ground, a V-shaped groove 5 is opened at 1 middle part, metal ground, the width of rectangular channel 4 equates with rectangular channel 6 width, the lower end that rectangular channel 4, rectangular channel 6 are positioned at substrate 3 is the groove mouth, be used to realize the broadband properties of 800MHz-960MHz, the center shift frequency groove 7 main 1710MHz-2500MHz working frequency range of regulating.Fig. 2 b is substrate 3 another side flechette-type pasters 2 structural representations.
Referring to Fig. 3 a, b, Fig. 3 a, b are V-arrangement multiple frequency bands broadband patch antenna embodiment 3 structural representations of the present invention, Fig. 3 a is the structural representation on 1 on metal ground, a V-shaped groove 5 is opened at 1 middle part, metal ground, the width of rectangular channel 4 equates with rectangular channel 6 length and width, the lower end that rectangular channel 4, rectangular channel 6 are positioned at substrate 3 is the groove mouth, is used to realize the broadband properties of 800MHz-960MHz, center shift frequency groove 7 main 1710MHz---the 2500MHz working frequency range of regulating.Fig. 3 b is substrate 3 another side flechette-type pasters 2 structural representations.The arrow below of flechette-type paster 2 is provided with two parasitic patch 8 symmetrically.The edge of the both sides of flechette-type paster 2 to substrate 3 both sides is provided with two parasitic patch 9 symmetrically.Parasitic patch 8, parasitic patch 9 are used for tuning.
Referring to Fig. 4, Fig. 4 is V-arrangement multiple frequency bands broadband patch antenna embodiment 4 structural representations of the present invention; A V-shaped groove 5 is opened at 1 middle part, metal ground that is positioned on substrate 3 one sides, flechette-type paster 2 on substrate middle dielectric layer 3 and substrate 3 another sides (among Fig. 1 shown in the dotted line), the width of rectangular channel 4 is greater than rectangular channel 6, one end of rectangular channel 4 is the groove mouth, be used to realize the broadband properties of 800MHz-960MHz, rectangular channel 6 carries out tuning, the center shift frequency groove 7 main 1710MHz-2500MHz working frequency range of regulating.Be provided with four fixing tuning dual-purpose screws 10 on the substrate 3 symmetrically, fixedly being meant of screw is fixed on antenna on the corresponding antenna installation site.
Referring to Fig. 5, Fig. 5 for the present invention at 806MHz---the corresponding curve chart of 960MHz standing-wave ratio and correlated frequency;
As we know from the figure, than less than 2, satisfy the standing-wave ratio requirement of mobile communication antenna in this frequency range at the frequency range standing internal wave of 806MHz-960MHz.
Referring to Fig. 6, Fig. 6 is that the present invention is at 1710-2500MHz standing-wave ratio and the corresponding curve chart of correlated frequency; As we know from the figure, than less than 1.85, satisfy the standing-wave ratio requirement of mobile communication antenna in this frequency range at the frequency range standing internal wave of 1710MHz-2500MHz.
Referring to Fig. 7, Fig. 7 is the present invention's 0 degree and 90 gain diagram of spending at 0.9GHz; As we know from the figure, during 0.9GHz, on two the orthogonal plane directions vertical with antenna, antenna has omnidirectional's characteristic, and maximum gain is-0.96dB.
Referring to Fig. 8, Fig. 8 is the present invention's 0 degree and 90 gain diagram of spending at 2.0G.As we know from the figure, during 2.0GHz, on two the orthogonal plane directions vertical with antenna, maximum gain is 6.0dB.
The V-arrangement multiple frequency bands broadband patch antenna is opened all kinds of grooves by the V-shaped groove face, all kinds of parasitic patch that add the flechette-type face realize increasing frequently, spread spectrum, and above structure working frequency scope comprises (806MHz-896MHz), GSM (890MHz-960MHz), DCS (1710MHz-1880MHz), PCS (1850MHz-1990MHz), UMTS (1920MHz-2170MHz) and WLANs (2400MHz-2484MHz).Feed belongs to the single port feed, and its outstanding advantage is to realize low section, and emulation thickness has only 1.5mm, need not auxiliary array, and is simple in structure, easy to make, low cost and other advantages.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (9)
1, a kind of V-arrangement multiple frequency bands broadband patch antenna, open a V-shaped groove (5) in the middle part of comprising the metal ground (1) that is positioned on substrate (3) one side, flechette-type paster (2) on substrate middle dielectric layer (3) and substrate (3) another side, it is characterized in that: the both sides of described V-shaped groove (5) are respectively equipped with the broadband properties that realizes 800MHz-960MHz and carry out tuning rectangular channel (4,6), and the corner of the inboard of V-shaped groove (5) is provided with along center line and regulates 1710MHz---the center shift frequency groove (7) of 2500MHz working frequency range; The both sides of described flechette-type paster (2) are provided with parasitic patch (8,9); Be provided with the fixing tuning dual-purpose screw (10) more than at least two on the described substrate symmetrically.
2, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: the width of rebate of described rectangular channel (4,6) equates.
3, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: the width of rebate of described rectangular channel (4,6) is unequal.
4, according to claim 1 or 2 or 3 described a kind of V-arrangement multiple frequency bands broadband patch antennas, it is characterized in that: an end of described rectangular channel (4,6) is the groove mouth.
5, according to claim 1 or 2 or 3 described a kind of V-arrangement multiple frequency bands broadband patch antennas, it is characterized in that: described rectangular channel (4,6) for the sealing notch.
6, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: the arrow below of described flechette-type paster (2) is provided with two parasitic patch (8) symmetrically.
7, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 6 is characterized in that: the both sides of described flechette-type paster (2) to the edge of substrate (3) both sides is provided with two parasitic patch (9) symmetrically.
8, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: be provided with four fixing tuning dual-purpose screws (10) on the described substrate (3) symmetrically.
9, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: described center shift frequency groove (7) is the rectangular channel of corner's opening of the inboard that is positioned at V-shaped groove (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810020191 CN101276956B (en) | 2008-03-27 | 2008-03-27 | V-shaped multiple frequency bands broadband patch antenna |
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| CN 200810020191 CN101276956B (en) | 2008-03-27 | 2008-03-27 | V-shaped multiple frequency bands broadband patch antenna |
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| CN101276956B CN101276956B (en) | 2012-04-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101710649B (en) * | 2009-11-26 | 2012-11-07 | 上海大学 | Wide wave beam micro-strip antenna unit of strap-shaped floor board and medium coated baffle board |
| CN103474764A (en) * | 2013-08-29 | 2013-12-25 | 成都九洲电子信息系统股份有限公司 | RFID (Radio Frequency Identification) high-gain circularly polarized microstrip antenna array |
| CN105552534A (en) * | 2016-02-03 | 2016-05-04 | 讯雷远大科技（深圳）有限公司 | V-shaped antenna structure |
| CN105655717A (en) * | 2015-12-25 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Pattern reconfigurable antenna and mobile terminal |
| CN109586025A (en) * | 2019-01-30 | 2019-04-05 | 福州大学 | Miniaturization low section broadband beam antenna and terminal applied to WiFi and WiMAX |
| CN111193106A (en) * | 2019-12-18 | 2020-05-22 | 南京理工大学 | Microstrip monopole antenna |
| CN112490655A (en) * | 2020-11-20 | 2021-03-12 | 榆林学院 | Multi-frequency double-layer dielectric plate feed patch and radiation slot complementary microstrip antenna |
| CN115207623A (en) * | 2022-09-16 | 2022-10-18 | 南京隼眼电子科技有限公司 | Antenna and electronic equipment |
Family Cites Families (3)
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| KR100354382B1 (en) * | 1999-04-08 | 2002-09-28 | 우종명 | V-Type Aperture coupled circular polarization Patch Antenna Using Microstrip(or strip) Feeding |
| CN2653718Y (en) * | 2003-09-04 | 2004-11-03 | 上海大学 | Double frequency bipolar slotted microstrip antenna |
| CN201188457Y (en) * | 2008-03-27 | 2009-01-28 | 芜湖睿尔科技有限公司 | V-shaped multi-frequency band wideband patch antenna |
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2008
- 2008-03-27 CN CN 200810020191 patent/CN101276956B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710649B (en) * | 2009-11-26 | 2012-11-07 | 上海大学 | Wide wave beam micro-strip antenna unit of strap-shaped floor board and medium coated baffle board |
| CN103474764A (en) * | 2013-08-29 | 2013-12-25 | 成都九洲电子信息系统股份有限公司 | RFID (Radio Frequency Identification) high-gain circularly polarized microstrip antenna array |
| CN103474764B (en) * | 2013-08-29 | 2016-03-02 | 成都九洲电子信息系统股份有限公司 | RFID high-gain circular polarization microstrip antenna array |
| CN105655717A (en) * | 2015-12-25 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Pattern reconfigurable antenna and mobile terminal |
| CN105552534A (en) * | 2016-02-03 | 2016-05-04 | 讯雷远大科技（深圳）有限公司 | V-shaped antenna structure |
| CN105552534B (en) * | 2016-02-03 | 2019-04-02 | 青勇 | A kind of v antenna structure |
| CN109586025A (en) * | 2019-01-30 | 2019-04-05 | 福州大学 | Miniaturization low section broadband beam antenna and terminal applied to WiFi and WiMAX |
| CN109586025B (en) * | 2019-01-30 | 2024-01-19 | 福州大学 | Miniaturized low-profile broadband directional antenna and terminal applied to WiFi and WiMAX |
| CN111193106A (en) * | 2019-12-18 | 2020-05-22 | 南京理工大学 | Microstrip monopole antenna |
| CN112490655A (en) * | 2020-11-20 | 2021-03-12 | 榆林学院 | Multi-frequency double-layer dielectric plate feed patch and radiation slot complementary microstrip antenna |
| CN112490655B (en) * | 2020-11-20 | 2023-06-06 | 榆林学院 | Multi-frequency double-layer dielectric plate feed source patch and radiation slot complementary microstrip antenna |
| CN115207623A (en) * | 2022-09-16 | 2022-10-18 | 南京隼眼电子科技有限公司 | Antenna and electronic equipment |
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