CN102842753A - High-gain omnidirectional antenna - Google Patents
High-gain omnidirectional antenna Download PDFInfo
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- CN102842753A CN102842753A CN2011101719102A CN201110171910A CN102842753A CN 102842753 A CN102842753 A CN 102842753A CN 2011101719102 A CN2011101719102 A CN 2011101719102A CN 201110171910 A CN201110171910 A CN 201110171910A CN 102842753 A CN102842753 A CN 102842753A
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- 230000010363 phase shift Effects 0.000 claims description 15
- 230000002146 bilateral effect Effects 0.000 abstract 3
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- 238000010295 mobile communication Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The invention discloses an omnidirectional antenna. The omnidirectional antenna comprises an outer cover and an oscillator band plate which is arranged in the outer cover, wherein the oscillator band plate is provided with a support plate and a plurality of oscillators which are attached to the support plate and are arrayed up and down, each oscillator is provided with a feed strip cable which is arranged from left to right, a grounding strip cable which is arranged in parallel to the feed strip cable, two first radiating elements which are respectively connected with the two ends of the feed strip cable and two second radiating elements which are respectively connected with the two ends of grounding strip cable, the two first radiating elements and the two second radiating elements have the same structures, the two first radiating elements are arranged in a left-and-right bilateral symmetrical manner, and the two second radiating elements are arranged in a left-and-right bilateral symmetrical manner and are respectively arranged in the mode of being vertically symmetrical to the two first radiating elements. The four radiating elements of the oscillators of the omnidirectional antenna have the same structures, and are arranged in a left-and-right bilateral and vertical symmetrical manner, so the gain of the omnidirectional antenna can be improved.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of omnidirectional antenna that is used for the mobile communication base station.
Background technology
Antenna has different radiation or receiving ability to the space different directions, the directivity of Here it is antenna.According to the difference of directivity, antenna has omnidirectional and two kinds of orientations.
Omnidirectional antenna promptly shows as 360 ° of all homogeneous radiations on the figure in the horizontal direction, and is just usual said non-directional, on height pattern, shows as the wave beam of certain width, and lobe width is more little generally speaking, and it is big more to gain.Omnidirectional antenna is generally used the site type with suburbs and counties under the jurisdiction of a large city Da Qu system in GSM, coverage is big.
Therefore, omnidirectional antenna is except deviation in roundness, and gain is an important indicator weighing its performance, and it is big more to gain, and the transmission range of omnidirectional antenna signal is far away more, and the coverage of omnidirectional antenna is big greatly more.Therefore, the gain that how to improve omnidirectional antenna becomes the important topic in present technique field.
Summary of the invention
The objective of the invention is provides a kind of omnidirectional antenna that improves gain to the defective that above-mentioned prior art exists.
For realizing above-mentioned purpose; The invention provides a kind of omnidirectional antenna; Comprise outer cover and the oscillator band plate that is arranged in the outer cover; The oscillator band plate has a support plate and a plurality of oscillator of arranging up and down that is that is attached on the support plate; Each oscillator have about one the feed-in band line that is provided with, one and the earth strip line, two that is set up in parallel of feed-in band line first radiating element and two that is connected to feed-in band line two ends be connected to second radiating element at earth strip line two ends; The structure of this two first radiating element and these two second radiating elements is all identical, and two first radiating elements are and are symmetrical set, and two second radiating elements are left-right symmetric and are up and down with two first radiating elements respectively and are symmetrical set.
As further improvement, the quantity of said oscillator band plate is at least two, and every two adjacent oscillator band plates are the setting that is arranged above and below of plane.
As further improvement, the said feed-in band line and first radiating element are arranged at a surface of support plate, and the said earth strip line and second radiating element are arranged at another surface of support plate.
As further improvement; Per two oscillators of described oscillator band plate are formed one group; The middle part of the feed-in band line of these two oscillators is connected with the feed-in phase shift band that extends below on, and the middle part of the earth strip line of these two oscillators is connected with the ground connection phase shift band that extends below on.
As further improvement, the feed-in phase shift band of each group oscillator of this omnidirectional antenna presets being connected with a feeder line of having a down dip with ground connection phase shift band.
As further improvement; Said first radiating element and second radiating element all have the radiation fin that a connecting piece and extends to form from the brace end; This brace is vertically connected on an end of feed-in band line or earth strip line, and the both side edges of brace is the arc that width broadens gradually.
As further improvement, said radiation fin is square, and offers the fluting that extends below on a plurality of on the terminal edge of this radiation fin and forms a plurality of radiation arms.
As further improvement, the end of the radiation arm of the two edges of said radiation fin offers breach near the radiation arm place of centre.
As further improvement, the outside of said first radiating element second radiating element laterally zygomorphic with it is provided with a contract plate triangular in shape.
As further improvement, the lateral border of said contract plate and the lateral border of radiation fin are on the same straight line, and the contract angle of this contract plate is near a corresponding end of feed-in band line and earth strip line.
Because; The structure of two first radiating elements of the oscillator of omnidirectional antenna of the present invention is identical and be and be symmetrical set; The structure of the two second radiating elements all structure with first radiating element is identical; And two second radiating elements are left-right symmetric and being up and down with two first radiating elements respectively and are symmetrical set, thereby the gain that can improve omnidirectional antenna of the present invention.
Description of drawings
Fig. 1 is the stereogram of omnidirectional antenna one specific embodiment of the present invention.
Fig. 2 is the stereogram of the oscillator band plate of omnidirectional antenna shown in Figure 1.
Fig. 3 is the front view of the first oscillator band plate of omnidirectional antenna shown in Figure 2.
Fig. 4 is the reverse view of the first oscillator band plate of omnidirectional antenna shown in Figure 2.
Fig. 5 forms one group plane graph for two oscillators of omnidirectional antenna shown in Figure 2.
Fig. 6 is the emulation standing-wave ratio curve chart of omnidirectional antenna shown in Figure 1.
Fig. 7 is the elevation radiation patytern of omnidirectional antenna shown in Figure 1 in 1880MHz emulation.
Fig. 8 is the elevation radiation patytern of omnidirectional antenna shown in Figure 1 in 2220MHz emulation.
Fig. 9 is the elevation radiation patytern of omnidirectional antenna shown in Figure 1 in 2575MHz emulation.
Embodiment
For specifying technology contents of the present invention, structural feature, the purpose that is realized and effect, below specially lift that embodiment and conjunction with figs. are detailed gives explanation.
See also Fig. 1 to Fig. 2, it has disclosed a specific embodiment of omnidirectional antenna of the present invention, and in the present embodiment, omnidirectional antenna comprises outer cover 1 and the oscillator band plate that is arranged in the outer cover 1.
In the present embodiment, the quantity of oscillator band plate is two, and it is identical with the structure of the second oscillator band plate 30 with the second oscillator band plate, 30, the first oscillator band plates 20 that it is defined as the first oscillator band plate 20 respectively.The first oscillator band plate 20 and the second oscillator band plate 30 are the setting that is arranged above and below of plane; The upper end of the first oscillator band plate 20 is through the spring 40 flexible upper ends that are fixed on outer cover 1; The lower end of the first oscillator band plate 20 is fixed on the upper end of the second oscillator band plate 30, and the lower end of the second oscillator band plate 30 is fixed on the lower end of outer cover 1.
Because the first oscillator band plate 20 is identical with the structure of the second oscillator band plate 30, only the first oscillator band plate 20 is elaborated at present.
See also Fig. 3 to Fig. 5, the first oscillator band plate 20 has one and is rectangular tabular support plate 210 and a plurality of oscillator of arranging up and down 220 that is that is attached on the support plate 210.Oscillator 220 have about one extend the feed-in band line that is provided with 221, one and the earth strip line 222, two that laterally arranges side by side of feed-in band line 221 first radiating element 223 and two that is connected to feed-in band line 221 two ends be connected to second radiating element 224 at earth strip line 222 two ends.Feed-in band line 221 and two first radiating elements 223 are arranged on the surface of support plate 210, and earth strip line 222 and two second radiating elements 224 are arranged on another surface of support plate 210.
The structure of these two first radiating elements 223 is identical and be and be symmetrical set; The structure of these the two second radiating elements 224 all structure with first radiating element 223 is identical, and this two second radiating element 224 is left-right symmetric and being up and down with two first radiating elements 223 respectively and is symmetrical set.
First radiating element 223 has an a connecting piece 225 and a radiation fin 226.Brace 225 is vertically connected on an end of feed-in band line 221; And its both side edges is the arc that width broadens gradually; Avoiding signal code to produce capacity effect and signal reflex when feed-in band line 221 flows to brace 225, thereby can increase bandwidth and reduce standing-wave ratio.
In addition; The outside of first radiating element 223 and second radiating element 224 laterally zygomorphic with it is provided with a contract plate 229 roughly triangular in shape; The lateral border of the lateral border of this contract plate 229 and radiation fin 226 roughly is on the same straight line; The bandwidth of expansion omnidirectional antenna of the present invention can be advanced near a corresponding end of feed-in band line 221 and earth strip line 222 in the contract angle of contract plate 229 through this contract plate 229.
In the present embodiment; Per two oscillators 220 are formed one group; The middle part of the feed-in band line 221 of these two oscillators 220 is connected with the feed-in phase shift band 230 that extends below on, and the middle part of the earth strip line 222 of these two oscillators 220 is connected with the ground connection phase shift band 240 that extends below on.Feed-in phase shift band 230 laterally arranges with ground connection phase shift band 240 and go up on two surfaces that are arranged at support plate 210 respectively and form the parallel wire structure.This feed-in phase shift band 230 is connected (not shown) with the holding wire of feeder line; This ground connection phase shift band 240 is connected with the earth connection (being screen) of feeder line; Through this kind signal feed-in mode; Can reduce the influence of feeder line to omnidirectional antenna deviation in roundness of the present invention, and can be through the different angle of declinations that can realize presetting system omnidirectional antenna of the present invention with the link position of feed-in phase shift band 230 of the holding wire that feeder line is set.In the present embodiment, the angle of declination of omnidirectional antenna is predisposed to 12 °.
In addition, feeder line can be cable or wiring board, when feeder line is wiring board, the vertical first oscillator band plate 20 of wiring board is provided with, to reduce the influence of wiring board to omnidirectional antenna deviation in roundness of the present invention.
Because; The structure of two first radiating elements 223 of the oscillator 220 of omnidirectional antenna of the present invention is identical and be and be symmetrical set; The structure of the two second radiating elements all structure with first radiating element 223 is identical; And two second radiating elements 224 are left-right symmetric and being up and down with two first radiating elements 223 respectively and are symmetrical set, thereby have improved omnidirectional antenna gain of the present invention.The emulated data of omnidirectional antenna of the present invention such as table one and Fig. 6 are to shown in Figure 10.
Table one
According to the emulated data of Fig. 6 to shown in Figure 10 and table one, the band limits of omnidirectional antenna of the present invention is widened 1880MHz～25757MHz, and has good Sidelobe Suppression ratio, thereby omnidirectional antenna of the present invention has the characteristics of big bandwidth high-gain.
Certainly, the above embodiment is merely preferred embodiment of the present invention, can not therefore limit protection scope of the present invention, and all equivalences of doing according to shape of the present invention, structure, principle change, and all should be covered by in protection scope of the present invention.
Claims (10)
1. omnidirectional antenna; It is characterized in that: comprise outer cover (1) and be arranged at the oscillator band plate in the outer cover (1); The oscillator band plate has a support plate (210) and a plurality of oscillator of arranging up and down (220) that is that is attached on the support plate (210); Each oscillator (220) have about one the feed-in band line (221) that is provided with, one and the earth strip line (222), two that is set up in parallel of feed-in band line (221) first radiating element (223) and two that is connected to feed-in band line (221) two ends be connected to second radiating element (224) at earth strip line (222) two ends; This two first radiating element (223) is all identical with the structure of this two second radiating element (224); And two first radiating elements (223) are and are symmetrical set, and two second radiating elements (224) are left-right symmetric and are up and down with two first radiating elements (223) respectively and are symmetrical set.
2. omnidirectional antenna as claimed in claim 1 is characterized in that: the quantity of said oscillator band plate is at least two, and every two adjacent oscillator band plates are the setting that is arranged above and below of plane.
3. omnidirectional antenna as claimed in claim 1; It is characterized in that: said feed-in band line (221) and first radiating element (223) are arranged at a surface of support plate (210), and said earth strip line (222) and second radiating element (224) are arranged at another surface of support plate (210).
4. omnidirectional antenna as claimed in claim 3; It is characterized in that: per two oscillators (220) of described oscillator band plate are formed one group; The middle part of the feed-in band line (221) of these two oscillators (220) is connected with the feed-in phase shift band (230) that extends below on, and the middle part of the earth strip line (222) of these two oscillators (220) is connected with the ground connection phase shift band (240) that extends below on.
5. omnidirectional antenna as claimed in claim 4 is characterized in that: the feed-in phase shift band (230) of each group oscillator (220) of this omnidirectional antenna presets being connected with a feeder line of having a down dip with ground connection phase shift band (240).
6. omnidirectional antenna as claimed in claim 1; It is characterized in that: said first radiating element (223) and second radiating element (224) all have the radiation fin (226) that a connecting piece (225) and extends to form from brace (225) end; This brace (225) is vertically connected on an end of feed-in band line (221) or earth strip line (222), and the both side edges of brace (225) is the arc that width broadens gradually.
7. omnidirectional antenna as claimed in claim 6 is characterized in that: said radiation fin (226) is square, and offers the fluting that extends below on a plurality of on the terminal edge of this radiation fin (226) and forms a plurality of radiation arms (227).
8. omnidirectional antenna as claimed in claim 7 is characterized in that: the end of the radiation arm (227) of the two edges of said radiation fin (226) locates to offer breach (228) near the radiation arm (227) of centre.
9. omnidirectional antenna as claimed in claim 7 is characterized in that: the outside of said first radiating element (223) and second radiating element laterally zygomorphic with it (224) is provided with a contract plate (229) triangular in shape.
10. omnidirectional antenna as claimed in claim 9 is characterized in that: the lateral border of the lateral border of said contract plate (229) and radiation fin (226) is on the same straight line, and the contract angle of this contract plate (229) is near a corresponding end of feed-in band line (221) and earth strip line (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101719102A CN102842753A (en) | 2011-06-24 | 2011-06-24 | High-gain omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101719102A CN102842753A (en) | 2011-06-24 | 2011-06-24 | High-gain omnidirectional antenna |
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| CN102842753A true CN102842753A (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101719102A Pending CN102842753A (en) | 2011-06-24 | 2011-06-24 | High-gain omnidirectional antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816695A (en) * | 2016-11-29 | 2017-06-09 | 广东通宇通讯股份有限公司 | Three frequency range high-gain omnidirectional dipole antennas |
| CN106941210A (en) * | 2017-02-23 | 2017-07-11 | 广东通宇通讯股份有限公司 | Ultra-wideband high-gain omnidirectional antenna and its ultra-wideband oscillator unit |
| CN108242586A (en) * | 2016-12-27 | 2018-07-03 | 启碁科技股份有限公司 | communication device |
| RU2713069C2 (en) * | 2015-06-04 | 2020-02-03 | Зе Боинг Компани | Omnidirectional antenna system |
| CN112993548A (en) * | 2021-02-07 | 2021-06-18 | 深圳市南斗星科技有限公司 | Wide-bandwidth high-gain WiFi omnidirectional antenna |
| US11158958B2 (en) | 2019-12-26 | 2021-10-26 | Shure Acquisition Holdings, Inc. | Dual band antenna |
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| US7274339B2 (en) * | 2005-09-16 | 2007-09-25 | Smartant Telecom Co., Ltd. | Dual-band multi-mode array antenna |
| JP4542566B2 (en) * | 2007-06-07 | 2010-09-15 | 株式会社エヌ・ティ・ティ・ドコモ | Multi-frequency antenna system |
| CN201616495U (en) * | 2010-02-09 | 2010-10-27 | 东莞市晖速天线技术有限公司 | Integrated variable phase shifter |
| CN201797042U (en) * | 2010-08-06 | 2011-04-13 | 东莞市晖速天线技术有限公司 | Integrated electronic downtilt base station antenna |
| WO2011053107A1 (en) * | 2009-10-30 | 2011-05-05 | Laird Technologies, Inc. | Omnidirectional multi-band antennas |
| CN202111221U (en) * | 2011-06-24 | 2012-01-11 | 东莞市晖速天线技术有限公司 | Omni-directional antenna |
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2011
- 2011-06-24 CN CN2011101719102A patent/CN102842753A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7274339B2 (en) * | 2005-09-16 | 2007-09-25 | Smartant Telecom Co., Ltd. | Dual-band multi-mode array antenna |
| JP4542566B2 (en) * | 2007-06-07 | 2010-09-15 | 株式会社エヌ・ティ・ティ・ドコモ | Multi-frequency antenna system |
| WO2011053107A1 (en) * | 2009-10-30 | 2011-05-05 | Laird Technologies, Inc. | Omnidirectional multi-band antennas |
| CN201616495U (en) * | 2010-02-09 | 2010-10-27 | 东莞市晖速天线技术有限公司 | Integrated variable phase shifter |
| CN201797042U (en) * | 2010-08-06 | 2011-04-13 | 东莞市晖速天线技术有限公司 | Integrated electronic downtilt base station antenna |
| CN202111221U (en) * | 2011-06-24 | 2012-01-11 | 东莞市晖速天线技术有限公司 | Omni-directional antenna |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2713069C2 (en) * | 2015-06-04 | 2020-02-03 | Зе Боинг Компани | Omnidirectional antenna system |
| CN106816695A (en) * | 2016-11-29 | 2017-06-09 | 广东通宇通讯股份有限公司 | Three frequency range high-gain omnidirectional dipole antennas |
| CN106816695B (en) * | 2016-11-29 | 2019-09-27 | 广东通宇通讯股份有限公司 | Three frequency range high-gain omnidirectional dipole antennas |
| CN108242586A (en) * | 2016-12-27 | 2018-07-03 | 启碁科技股份有限公司 | communication device |
| CN108242586B (en) * | 2016-12-27 | 2020-10-30 | 启碁科技股份有限公司 | communication device |
| CN106941210A (en) * | 2017-02-23 | 2017-07-11 | 广东通宇通讯股份有限公司 | Ultra-wideband high-gain omnidirectional antenna and its ultra-wideband oscillator unit |
| US11158958B2 (en) | 2019-12-26 | 2021-10-26 | Shure Acquisition Holdings, Inc. | Dual band antenna |
| US11749910B2 (en) | 2019-12-26 | 2023-09-05 | Shure Acquisition Holdings, Inc. | Dual band antenna |
| CN112993548A (en) * | 2021-02-07 | 2021-06-18 | 深圳市南斗星科技有限公司 | Wide-bandwidth high-gain WiFi omnidirectional antenna |
| CN112993548B (en) * | 2021-02-07 | 2023-09-19 | 深圳市南斗星科技有限公司 | WiFi omnidirectional antenna with wide bandwidth and high gain |
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Address after: 523128 Dongguan City, Dongcheng District Province, cattle mountain industrial park outside the landscape road, the main mountain industrial zone, No. 2 Applicant after: GUANGDONG HUISU TELECOMMUNICATION TECH CO., LTD. Address before: 523128, Guangdong City, Dongguan province Dongcheng District Niu Shan Industrial Park, landscape road, main mountain industrial zone Applicant before: Dongguan Huisu Antenna Technology Co., Ltd. |
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Application publication date: 20121226 |