CN203589214U - Double-frequency single feed directional antenna - Google Patents
Double-frequency single feed directional antenna Download PDFInfo
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- CN203589214U CN203589214U CN201320597658.6U CN201320597658U CN203589214U CN 203589214 U CN203589214 U CN 203589214U CN 201320597658 U CN201320597658 U CN 201320597658U CN 203589214 U CN203589214 U CN 203589214U
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- oscillator
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- directional antenna
- grounding parts
- resonant rod
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Abstract
The utility model is suitable for antenna technologies and provides a double-frequency single feed directional antenna. The double-frequency single feed directional antenna is arranged on a medium substrate. The medium substrate comprises a first surface and a second surface opposite to the first surface. The double-frequency single feed directional antenna comprises oscillators which works at a first frequency and is arranged on the first surface and the second surface, resonance rods which works at a second frequency and which is arranged on the first surface and/or the second surface and positioned on one side of the oscillator, a grounding part which is arranged on the first surface and/or the second surface and positioned on the other side of the oscillator, opposite to the resonance rod, and a Balun unit. Feed is carried out through one end of the Balun unit, and thus the oscillators can work at the first frequency and the resonance rods can work at the second frequency. The double-frequency single feed directional antenna, arranged on the same medium substrate and simple in structure, brings convenience to production, and improves the working efficiency and the wireless coverage performance at the same time.
Description
Technical field
The utility model belongs to field of antenna, relates in particular to a kind of double frequency list feedback directional antenna.
Background technology
Along with the progress in epoch, people are increasing to the demand of getting online without being tethered to a cable, and require also more and more.As in office, conference and exhibition center, subway etc. are used WIFI(WLAN (wireless local area network)) online, this just need to provide good signal to cover, and could provide at a high speed to user, high-quality online experience.In some some place of special occasion, be sleeve configuration such as subway passageway, this just need to guarantee that good signal covers with directional antenna.Using is at present the ceiling mount antenna of dual-band and dual-feed comparatively widely, but the antenna of the type is because feeder line interface too much causes processing and inconvenience is installed.
Utility model content
The object of the utility model embodiment is to provide a kind of double frequency list feedback directional antenna of single-feed type, is intended to solve traditional double-fed dual-band antenna feeder line interface and too much has complex structure and inconvenient problem is installed.
A kind of double frequency list feedback directional antenna that the utility model provides, is arranged at medium substrate, and described medium substrate comprises first surface and the second surface relative with described first surface, and described double frequency list feedback directional antenna comprises:
Be operated in the oscillator of first frequency, be arranged at described first surface and described second surface;
Be operated in the resonant rod of second frequency, be arranged at described first surface and/or described second surface, be positioned at a side of described oscillator;
Grounding parts, is arranged at described first surface and/or described second surface, is positioned at the opposite side that described oscillator is relative with described resonant rod; And
Ba Lun unit, comprise the first Ba Lun that is arranged at described first surface and the second Ba Lun that is arranged at described second surface, wherein, described the first Ba Lun is coupled between the described oscillator and described grounding parts on described first surface, and the described oscillator on described the second Ba Lun and described second surface couples and for feed.
Further, described oscillator is strip, comprise the first oscillator that is arranged at described first surface and the second oscillator that is arranged at described second surface, the projection of described the first oscillator on described second surface is contrary at same plane and trend with described the second oscillator, and described the first oscillator couples mutually with the close two ends of described the second oscillator.
Further, described the first oscillator and described the second oscillator form dipole.
Further, the length value of described the first oscillator and described the second oscillator equates and the quarter-wave of corresponding described first frequency.
Further, described resonant rod comprises that shape is elongated and is arranged at the first resonant rod of described second surface, described the first resonant rod is parallel with described the first oscillator, and the first resonant rod overlaps at the symmetry axis of the projection perpendicular on described second surface with described oscillator at the symmetry axis of relatively described oscillator direction.
Further, described resonant rod also comprises that shape is elongated and is arranged at the second resonant rod of described first surface, and the projection of described the second resonant rod on described second surface overlaps with described the first resonant rod.
Further, the length value of described the first resonant rod and described the second resonant rod equates and the quarter-wave of corresponding described second frequency.
Further, described grounding parts comprises the first grounding parts that is arranged at described first surface, and this first grounding parts is rectangular and parallel with described the first oscillator.
Further, described grounding parts also comprises the second grounding parts that is arranged at described second surface, and this second grounding parts is rectangular and parallel with described the second oscillator.
Further, described the first Ba Lun is wedge shape, and the first end of described the first Ba Lun is vertically coupled in described the first oscillator one end near described the second oscillator, and the second end of described the first Ba Lun is vertically coupled to the middle part of the grounding parts on described first surface;
Described the second Ba Lun is bent, and the first end of described the second Ba Lun is vertically coupled in described the second oscillator one end near described the first oscillator, and the second end of described the second Ba Lun is for feed.
Further, described the first Ba Lun is wedge shape, and the first end of described the first Ba Lun is vertically coupled in described the first oscillator one end near described the second oscillator, and the second end of described the first Ba Lun is vertically coupled to the middle part of described the first grounding parts;
Described the second Ba Lun is strip, and the first end of described the second Ba Lun is vertically coupled in described the second oscillator one end near described the first oscillator, and the second end of described the second Ba Lun and described the second grounding parts are vertically opposite and for feed.
One end feed that passes through Ba Lun unit of above-mentioned double frequency list feedback directional antenna, make the oscillator can be for being operated in first frequency and resonant rod is operated in second frequency, its this double frequency list feedback directional antenna is to be laid in same medium substrate, simple in structure, for producing, brought facility, improve production efficiency, improved wireless coverage performance simultaneously.
Accompanying drawing explanation
Fig. 1 (A), 1(B) be respectively front, the reverse side schematic diagram of the double frequency list feedback directional antenna that the utility model the first embodiment provides;
Fig. 2 (A), 2(B) be respectively front, the reverse side schematic diagram of the double frequency list feedback directional antenna that the utility model the second embodiment provides;
The 2.4GHz voltage standing wave ratio analogous diagram that Fig. 3 presents directional antenna for the double frequency list that the utility model the first embodiment provides;
The 5.8GHz voltage standing wave ratio analogous diagram that Fig. 4 presents directional antenna for the double frequency list that the utility model the first embodiment provides;
The voltage standing wave ratio analogous diagram that Fig. 5 presents directional antenna for the double frequency list that the utility model the second embodiment provides.
Embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that tool band embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In conjunction with Fig. 1 and Fig. 2, be respectively the double frequency list feedback directional antenna that two embodiment provide.Below, by the frequency of the first frequency range take double frequency list feedback directional antenna, as 2.4GHz-2.5GHz, the frequency of the second frequency range is that 5.725GHz-5.85GHz is example explanation specific embodiment.
A kind of double frequency list feedback directional antenna, be arranged at medium substrate, medium substrate comprises first surface 11 and the second surface 12 relative with first surface 11, double frequency list feedback directional antenna comprises oscillator 110, resonant rod, grounding parts and Ba Lun unit 140, and Ba Lun unit 140 comprises the first Ba Lun 141 that is arranged at first surface 11 and the second Ba Lun 142 that is arranged at second surface 12.More specifically, the medium substrate that is provided with double frequency list feedback directional antenna is arranged on metal base plate 20 and forms ceiling mount antenna.
Particularly, the first oscillator 111 and the second oscillator 112 form dipole.And the length value of the first oscillator 111 and the second oscillator 112 equates and the quarter-wave of corresponding first frequency.
Resonant rod is operated in second frequency, for fixed-direction provides the radiation field of second frequency, resonant rod is positioned at a side of oscillator 110 and is arranged at first surface 11 and/or second surface 12, according to the needs of actual conditions and Principle of Antenna, on two surfaces of medium substrate, one of them setting or while all arrange, and have improved the versatility of antenna.Preferably, the wiring width of resonant rod is identical with the wiring width of oscillator 110.In addition, by regulating the wiring width of resonant rod and oscillator 110, can reach the object of impedance matching, make antenna return loss less.
With reference to figure 1(A) and Fig. 1 (B), therein in an embodiment, resonant rod comprises the first resonant rod 121, the first resonant rod 121 shapes are elongated and be arranged at second surface 12, the first resonant rod 121 is parallel with the first oscillator 111, and the first resonant rod 121 overlaps at the relatively symmetry axis of oscillator 110 directions and the symmetry axis of the projection of oscillator 110 on second surface 12 symmetry axis of the second oscillator 112 (i.e. first projection of oscillator 111 on second surface 12 with), thereby makes the radiation directivity of two resonance frequencys consistent.
With reference to figure 2(A) and Fig. 2 (B), in another embodiment, resonant rod comprises the first resonant rod 121 and the second resonant rod 122, the shape of the first resonant rod 121 and the second resonant rod 122 is all elongated and be arranged at respectively second surface 12 and first surface 11, the second projection of resonant rod 122 on second surface 12 overlaps with the first resonant rod 121, can guarantee that like this first resonant rod 121 is consistent with the resonance frequency of the second resonant rod 122.
Further, the length value of the first resonant rod 121 and the second resonant rod 122 equates and the quarter-wave of corresponding second frequency roughly, and preferably, length value equates with the quarter-wave long value of second frequency.
Grounding parts is arranged at first surface 11 and/or second surface 12, be positioned at the opposite side that oscillator 110 is relative with resonant rod, according to the needs of actual conditions and Principle of Antenna, on two surfaces of medium substrate, one of them setting or while all arrange, and have improved the versatility of antenna.
With reference to figure 1(A) and Fig. 1 (B), in an embodiment, grounding parts comprises the first grounding parts 131 that is arranged at first surface 11 therein, this first grounding parts 131 is rectangular and parallel with the first oscillator 111.In the present embodiment, the wiring width of the first grounding parts 131 is greater than the wiring width of oscillator 110, and the length of the first grounding parts 131 is also greater than the wiring path of oscillator 110, and the radiation direction that can guarantee like this antenna is directed radiation.Regulate the length and width of the first grounding parts 131 and with the distance of oscillator 110 so that impedance matching is obtained better.
In addition, in the present embodiment, medium substrate is placed on metal base plate 20 by the mode of welding or clamping connection, makes the distributing point of the second Ba Lun 142 relative with metal base plate 20, and the first grounding parts 131 couples with metal base plate 20.
With reference to figure 2(A) and Fig. 2 (B), in another embodiment, grounding parts comprises the first grounding parts 131 that is arranged at first surface 11 and the second grounding parts 132 that is arranged at second surface 12, this first grounding parts 131 is rectangular and parallel with the first oscillator 111, and the second grounding parts 132 is rectangular and parallel with the second oscillator 112.In the present embodiment, the first grounding parts 131 is identical with the shape size of the second grounding parts 132, and the projection of the first grounding parts 131 on the second surface 12 of medium substrate overlaps with the second grounding parts 132.The wiring width of the first grounding parts 131 and the second grounding parts 132 is greater than the wiring width of oscillator 110, the length of the first grounding parts 131 and the second grounding parts 132 and resonant rod equal in length and be less than the wiring path of oscillator 110.The length and width of regulated ground portion and with the distance of oscillator 110 so that impedance matching is obtained better.
In addition, in the present embodiment, medium substrate is placed on metal base plate 20 by the form of welding, specifically with two pads 150 of grounding parts opposite end, is welded in metal base plate 20, grounding parts and metal base plate 20 from.
It should be noted that, above-mentioned all projections are the projection perpendicular to perspective plane.
The first Ba Lun 141 of Ba Lun unit 140 is coupled between the oscillator 110 and grounding parts on first surface 11, and the second Ba Lun 142 of Ba Lun unit 140 couples with the oscillator 110 on second surface 12 and for feed.
With reference to figure 1(A) and Fig. 1 (B), therein in an embodiment, the first Ba Lun 141 is wedge shape, and the first end of the first Ba Lun 141 is vertically coupled in the first oscillator 111 one end near the second oscillator 112, and the second end of the first Ba Lun 141 is vertically coupled to the middle part of the grounding parts on first surface 11.In the present embodiment, the wiring width of the first Ba Lun 141 increases progressively to the second end from first end.Preferably, the first Ba Lun 141 is right-angled triangle, and a right-angle side is perpendicular to the first oscillator 111 and the first grounding parts 131, and another right-angle side is fitted on the first grounding parts 131.The second Ba Lun 142 is bent, and the first end of the second Ba Lun 142 is vertically coupled in the second oscillator 112 one end near the first oscillator 111, and the second end of the second Ba Lun 142 is for feed.In the present embodiment, the second Ba Lun 142 is inverted "L" shaped, and one side of the second Ba Lun 142 is perpendicular to the second oscillator 112, and another side is long and parallel with the second oscillator 112 and move towards identical.Regulate length and width that the first Ba Lun 141 and the second Ba Lun 142 connect up and the feed placement of the second Ba Lun 142, make the bandwidth of antenna wider, impedance matching is better.
With reference to figure 2(A) and Fig. 2 (B), therein in an embodiment, the first Ba Lun 141 is wedge shape, and the first end of the first Ba Lun 141 is vertically coupled in the first oscillator 111 one end near the second oscillator 112, and the second end of the first Ba Lun 141 is vertically coupled to the middle part of the first grounding parts 131.In the present embodiment, the wiring width of the first Ba Lun 141 increases progressively to the second end from first end.Preferably, the first Ba Lun 141 is isosceles trapezoid; In other embodiments, the first Ba Lun 141 can be right-angled trapezium, rectangle etc.The second Ba Lun 142 is strip, and the first end of the second Ba Lun 142 is vertically coupled in the second oscillator 112 one end near the first oscillator 111, and the second end of the second Ba Lun 142 and the second grounding parts 132 are vertically opposite and for feed.Regulate length and width that the first Ba Lun 141 and the second Ba Lun 142 connect up and the feed placement of the second Ba Lun 142, make the bandwidth of antenna wider, impedance matching is better.
Fig. 3 and Fig. 4 show is that the antenna of the first embodiment can form good coupling with external circuit, and the energy of external circuit can the most effectively be transferred on antenna.
What Fig. 5 showed is that the antenna of the second embodiment can form good coupling with external circuit, and the energy of external circuit can the most effectively be transferred on antenna, and the reflection coefficient of antenna is less, and most of energy can effectively radiate.
One end feed that passes through Ba Lun unit 140 of above-mentioned double frequency list feedback directional antenna, make the oscillator 110 can be for being operated in first frequency and resonant rod is operated in second frequency, its this double frequency list feedback directional antenna is to be laid in same medium substrate, simple in structure, for producing, brought facility, improve production efficiency, improved wireless coverage performance simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (11)
1. a double frequency list feedback directional antenna, is arranged at medium substrate, and described medium substrate comprises first surface and the second surface relative with described first surface, it is characterized in that, described double frequency list feedback directional antenna comprises:
Be operated in the oscillator of first frequency, be arranged at described first surface and described second surface;
Be operated in the resonant rod of second frequency, be arranged at described first surface and/or described second surface, be positioned at a side of described oscillator;
Grounding parts, is arranged at described first surface and/or described second surface, is positioned at the opposite side that described oscillator is relative with described resonant rod; And
Ba Lun unit, comprise the first Ba Lun that is arranged at described first surface and the second Ba Lun that is arranged at described second surface, wherein, described the first Ba Lun is coupled between the described oscillator and described grounding parts on described first surface, and the described oscillator on described the second Ba Lun and described second surface couples and for feed.
2. double frequency list feedback directional antenna as claimed in claim 1, it is characterized in that, described oscillator is strip, comprise the first oscillator that is arranged at described first surface and the second oscillator that is arranged at described second surface, the projection of described the first oscillator on described second surface is contrary at same plane and trend with described the second oscillator, and described the first oscillator couples mutually with the close two ends of described the second oscillator.
3. double frequency list feedback directional antenna as claimed in claim 2, is characterized in that, described the first oscillator and described the second oscillator form dipole.
4. double frequency list feedback directional antenna as claimed in claim 2 or claim 3, is characterized in that, the length value of described the first oscillator and described the second oscillator equates and the quarter-wave of corresponding described first frequency.
5. double frequency list feedback directional antenna as claimed in claim 1 or 2, it is characterized in that, described resonant rod comprises that shape is elongated and is arranged at the first resonant rod of described second surface, described the first resonant rod is parallel with described the first oscillator, and the first resonant rod overlaps with the symmetry axis of the projection of described oscillator on described second surface at the symmetry axis of relatively described oscillator direction.
6. double frequency list feedback directional antenna as claimed in claim 5, it is characterized in that, described resonant rod also comprises that shape is elongated and is arranged at the second resonant rod of described first surface, and the projection of described the second resonant rod on described second surface overlaps with described the first resonant rod.
7. double frequency list as claimed in claim 6 feedback directional antenna, is characterized in that, the length value of described the first resonant rod and described the second resonant rod equates and the quarter-wave of corresponding described second frequency.
8. double frequency list feedback directional antenna as claimed in claim 2, is characterized in that, described grounding parts comprises the first grounding parts that is arranged at described first surface, and this first grounding parts is rectangular and parallel with described the first oscillator.
9. double frequency list feedback directional antenna as claimed in claim 8, is characterized in that, described grounding parts also comprises the second grounding parts that is arranged at described second surface, and this second grounding parts is rectangular and parallel with described the second oscillator.
10. the feedback of the double frequency list as described in claim 2 or 8 directional antenna, it is characterized in that, described the first Ba Lun is wedge shape, the first end of described the first Ba Lun is vertically coupled in described the first oscillator one end near described the second oscillator, and the second end of described the first Ba Lun is vertically coupled to the middle part of the grounding parts on described first surface;
Described the second Ba Lun is bent, and the first end of described the second Ba Lun is vertically coupled in described the second oscillator one end near described the first oscillator, and the second end of described the second Ba Lun is for feed.
11. double frequency list feedback directional antennas as claimed in claim 9, it is characterized in that, described the first Ba Lun is wedge shape, the first end of described the first Ba Lun is vertically coupled in described the first oscillator one end near described the second oscillator, and the second end of described the first Ba Lun is vertically coupled to the middle part of described the first grounding parts;
Described the second Ba Lun is strip, and the first end of described the second Ba Lun is vertically coupled in described the second oscillator one end near described the first oscillator, and the second end of described the second Ba Lun and described the second grounding parts are vertically opposite and for feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597658.6U CN203589214U (en) | 2013-09-26 | 2013-09-26 | Double-frequency single feed directional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597658.6U CN203589214U (en) | 2013-09-26 | 2013-09-26 | Double-frequency single feed directional antenna |
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| Publication Number | Publication Date |
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| CN203589214U true CN203589214U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320597658.6U Expired - Lifetime CN203589214U (en) | 2013-09-26 | 2013-09-26 | Double-frequency single feed directional antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226399A (en) * | 2014-05-27 | 2016-01-06 | 深圳光启智能光子技术有限公司 | Directional antenna |
| CN106299596A (en) * | 2016-09-20 | 2017-01-04 | 深圳市中天迅通信技术有限公司 | A kind of POS Serpentis type antenna without frequency deviation |
| CN106486787A (en) * | 2015-09-02 | 2017-03-08 | 天线直通股份有限公司 | HDTV antenna module |
| CN108963450A (en) * | 2018-07-23 | 2018-12-07 | 西安电子工程研究所 | A kind of vertical polarization micro-strip half-wave dipole missile-borne dictating machine antenna |
| US10693239B2 (en) | 2015-09-02 | 2020-06-23 | Antennas Direct, Inc. | HDTV antenna assemblies |
| CN112448125A (en) * | 2019-08-28 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | Double-frequency directional antenna and unmanned aerial vehicle remote controller |
| USD919307S1 (en) | 2015-10-08 | 2021-05-18 | Antennas Direct, Inc. | Picture frame antenna |
-
2013
- 2013-09-26 CN CN201320597658.6U patent/CN203589214U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226399A (en) * | 2014-05-27 | 2016-01-06 | 深圳光启智能光子技术有限公司 | Directional antenna |
| CN105226399B (en) * | 2014-05-27 | 2019-10-25 | 深圳光启智能光子技术有限公司 | Directional aerial |
| CN106486787A (en) * | 2015-09-02 | 2017-03-08 | 天线直通股份有限公司 | HDTV antenna module |
| CN106486787B (en) * | 2015-09-02 | 2020-05-08 | 天线直通股份有限公司 | HDTV antenna assembly |
| US10693239B2 (en) | 2015-09-02 | 2020-06-23 | Antennas Direct, Inc. | HDTV antenna assemblies |
| USD919307S1 (en) | 2015-10-08 | 2021-05-18 | Antennas Direct, Inc. | Picture frame antenna |
| USD951658S1 (en) | 2015-10-08 | 2022-05-17 | Antennas Direct, Inc. | Picture frame antenna |
| CN106299596A (en) * | 2016-09-20 | 2017-01-04 | 深圳市中天迅通信技术有限公司 | A kind of POS Serpentis type antenna without frequency deviation |
| CN108963450A (en) * | 2018-07-23 | 2018-12-07 | 西安电子工程研究所 | A kind of vertical polarization micro-strip half-wave dipole missile-borne dictating machine antenna |
| CN112448125A (en) * | 2019-08-28 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | Double-frequency directional antenna and unmanned aerial vehicle remote controller |
| CN112448125B (en) * | 2019-08-28 | 2024-06-11 | 深圳市卓睿通信技术有限公司 | Dual-frenquency directional antenna and unmanned aerial vehicle remote controller |
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Owner name: SHENZHEN GUANGQI INTELLIGENT PHOTONICS TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150625 |
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Effective date of registration: 20150625 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee after: KUANG-CHI INTELLIGENT PHOTONIC TECHNOLOGY Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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Effective date of registration: 20210316 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518000 Guangdong, Shenzhen, Futian District, Shennan Road and colored field road intersection C East Block New World Plaza 2007-27 Patentee before: KUANG-CHI INTELLIGENT PHOTONIC TECHNOLOGY Ltd. |
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