CN102610904B - Novel passive dipole antenna - Google Patents
Novel passive dipole antenna Download PDFInfo
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- CN102610904B CN102610904B CN201210096637.6A CN201210096637A CN102610904B CN 102610904 B CN102610904 B CN 102610904B CN 201210096637 A CN201210096637 A CN 201210096637A CN 102610904 B CN102610904 B CN 102610904B
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Abstract
The invention discloses a novel passive dipole antenna, which comprises an oscillator base (1), an insulating sleeve (3), a radio-frequency connector (5), one or a plurality of soldering flakes (4) and at least two antenna oscillators (2), wherein the two antenna oscillators (2) are symmetrically installed on the oscillator base (1), the soldering flakes (4) are arranged in the oscillator base (1), the insulating sleeve (3) is arranged between the two antenna oscillators (2), the soldering flakes (4) are connected with one connecting terminal of the radio-frequency connector (5) through cables and the radio-frequency connector (5) is fixedly arranged on the oscillator base (1) through a screw. The novel passive dipole antenna provided by the invention has the advantages that not only can the traditional concept that the antenna is necessary to be provided with a matching circuit be broken, the complex matching circuit be omitted and the structure of the antenna be simplified, but also good impedance matching can be realized within a wide frequency range, the standing wave ratio of the antenna is small, the sensitivity and the phase characteristic are stable, the phase-frequency and amplitude-frequency consistency of multiple antennas is good and the like.
Description
Technical field
The present invention relates to field of antenna, particularly a kind of novel passive dipole antenna.
Background technology
Dipole antenna is the most basic antenna form, has omnidirectional radiation characteristic, because it is simple in structure, cheap, has now been widely used in various wireless communication systems.General dipole antenna has an impedance matching circuit, antenna obtains maximum power output by impedance matching circuit, but this circuit more complicated, manufacture process requirement is high, and cannot guarantee in wide frequency ranges, to obtain good standing-wave ratio, and amplitude and phase equalization between multiple antenna is poor.
Summary of the invention
Object of the present invention is to solve the deficiencies in the prior art, and a kind of novel passive dipole antenna is provided, and this antenna has not only been cancelled impedance matching circuit, simple in structure, is easy to produce, and can obtains good electrical property.
The object of the invention is to be achieved through the following technical solutions: a kind of novel passive dipole antenna, it comprises oscillator seat, insulating case, radio frequency connector and one or more weld tabs, and at least two antenna oscillators, two antenna oscillators are arranged on oscillator seat symmetrically, in oscillator seat, be provided with weld tabs, between two antenna oscillators, be provided with insulating case, weld tabs is connected with a splicing ear of radio frequency connector by cable, and radio frequency connector is fixed by screws on oscillator seat.
The longitudinal cross-section that is positioned at the one end beyond oscillator seat on described antenna oscillator is circular arc, on described antenna oscillator, be positioned at oscillator seat with the longitudinal cross-section of one end be cone-shaped, the tapering α of described cone-shaped is 120 °.
Described antenna oscillator adopts Low ESR metal material; Described insulating case adopts High Performance Insulation material; Described weld tabs adopts silver material; Described weld tabs adopts brass surfaces gold-plated.
The invention has the beneficial effects as follows: the invention provides a kind of novel passive dipole antenna, not only having broken antenna must have the Traditional Thinking of match circuit, cancel complicated match circuit, simplify the structure of antenna, and can in wide frequency ranges, obtain good standing-wave ratio, amplitude, phase place between multiple antennas can reach high consistency.
Accompanying drawing explanation
Fig. 1 structure chart of the present invention;
In Fig. 2 structure chart of the present invention, E is to partial enlarged drawing;
C-C cutaway view in Fig. 3 structure chart of the present invention;
In figure, 1-oscillator seat, 2-antenna oscillator, 3-insulating case, 4-weld tabs, 5-radio frequency connector.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of novel passive dipole antenna, it comprises oscillator seat 1, insulating case 3, radio frequency connector 5 and one or more weld tabs 4, and at least two antenna oscillators 2, two antenna oscillators 2 are arranged on oscillator seat 1 symmetrically, be provided with between 4, two antenna oscillators 2 of weld tabs and be provided with insulating case 3 in oscillator seat 1, weld tabs 4 is connected with a splicing ear of radio frequency connector 5 by RF cable, and radio frequency connector 5 is fixed by screws on oscillator seat 1.
The longitudinal cross-section that is positioned at oscillator seat 1 one end in addition on described antenna oscillator 2 is circular arc; On described antenna oscillator 2, be positioned at oscillator seat 1 with the longitudinal cross-section of one end be cone-shaped, the tapering α of described cone-shaped is preferably 120 °.
Described antenna oscillator 2 adopts low-impedance metal material H62 brass, and described insulating case 3 adopts High Performance Insulation material polytetrafluoroethylene, described weld tabs 4 adopt silver material or H62 brass surfaces gold-plated.
Detect data below in conjunction with test and further illustrate technique effect of the present invention, wherein instrument for testing is 8753D network analyzer, and signal source is 8648C signal source, and test wave band is 900～1400MHZ.
Table 1 standing-wave ratio test result data
| MHZ | No. 1 oscillator | No. 2 oscillators | No. 3 oscillators | No. 4 oscillators | No. 5 oscillators |
| 800 | 1.68 | 1.66 | 1.66 | 1.84 | 1.69 |
| 850 | 1.47 | 1.63 | 1.64 | 1.72 | 1.7 |
| 900 | 1.43 | 1.47 | 1.46 | 1.61 | 1.54 |
| 950 | 1.4 | 1.44 | 1.39 | 1.51 | 1.57 |
| 1000 | 1.41 | 1.56 | 1.47 | 1.56 | 1.61 |
| 1050 | 1.5 | 1.59 | 1.49 | 1.58 | 1.73 |
| 1100 | 1.56 | 1.6 | 1.51 | 1.53 | 1.69 |
| 1150 | 1.57 | 1.61 | 1.54 | 1.53 | 1.59 |
| 1200 | 1.71 | 1.67 | 1.66 | 1.65 | 1.55 |
| 1250 | 1.5 | 1.54 | 1.53 | 1.46 | 1.47 |
| 1300 | 1.57 | 1.57 | 1.58 | 1.56 | 1.48 |
| 1350 | 1.45 | 1.4 | 1.42 | 1.43 | 1.45 |
| 1400 | 1.52 | 1.44 | 1.52 | 1.58 | 1.58 |
| 1450 | 1.5 | 1.43 | 1.52 | 1.53 | 1.53 |
| 1500 | 1.61 | 1.48 | 1.6 | 1.59 | 1.53 |
| 1550 | 1.55 | 1.45 | 1.56 | 1.52 | 1.41 |
| 1600 | 1.63 | 1.5 | 1.59 | 1.53 | 1.37 |
Table 1 is the data record of the standing-wave ratio test of this antenna, as can be seen from the table: the standing wave ratio of this antenna is smaller, and very stable.
Table 2 amplitude test result data
| MHz | No. 1 oscillator | No. 2 |
3 work songs | No. 4 oscillators | No. 5 oscillators |
| 800 | 44 | 44 | 45 | 44 | 44 |
| 850 | 44 | 45 | 43 | 46 | 43 |
| 900 | 41 | 41 | 42 | 40 | 41 |
| 970 | 43 | 43 | 46 | 44 | 44 |
| 1000 | 44 | 44 | 41 | 43 | 44 |
| 1050 | 45 | 45 | 45 | 45 | 42 |
| 1100 | 44 | 46 | 43 | 44 | 46 |
| 1150 | 46 | 46 | 44 | 47 | 44 |
| 1200 | 39 | 39 | 40 | 40 | 41 |
| 1250 | 42 | 42 | 45 | 44 | 43 |
| 1300 | 40 | 38 | 39 | 42 | 39 |
| 1350 | 38 | 38 | 38 | 40 | 36 |
| 1400 | 38 | 37 | 40 | 41 | 40 |
| 1450 | 40 | 39 | 41 | 42 | 38 |
| 1500 | 39 | 39 | 40 | 42 | 37 |
| 1550 | 35 | 37 | 36 | 36 | 33 |
| 1600 | 40 | 41 | 37 | 40 | 36 |
Table 2 is data record of the amplitude test of this antenna, as can be seen from the table: the amplitude coincidence of this antenna is higher, and also very stable.
Table 3 phase test result data
| MHZ | No. 1 oscillator | No. 2 oscillators | No. 3 oscillators | No. 4 oscillators | No. 5 oscillators |
| 828.5 | 0.02 | -2.18 | 0.41 | -0.39 | -0.6 |
| 1195 | 8.79 | 11.13 | 10.26 | 6.74 | 5.35 |
| 1245 | -1.43 | 2.27 | -0.62 | -5.99 | -3.01 |
| 1257 | 3.14 | 6.94 | 3.23 | -3.34 | 2.3 |
| 1398 | 0.04 | 0.85 | 0.71 | -3.25 | -2.48 |
Table 3 is data record of the phase test of this antenna, as can be seen from the table: the phase equalization of this antenna is good.
Claims (1)
1. a novel passive dipole antenna, it is characterized in that: it comprises oscillator seat (1), insulating case (3), radio frequency connector (5) and one or more weld tabs (4), and at least two antenna oscillators (2), two antenna oscillators (2) are arranged on oscillator seat (1) symmetrically, the longitudinal cross-section that is positioned at oscillator seat (1) one end in addition on antenna oscillator (2) is circular arc, on antenna oscillator (2), be positioned at oscillator seat (1) with the longitudinal cross-section of one end be cone-shaped, the tapering α of described cone-shaped is 120 °; In oscillator seat (1), be provided with weld tabs (4), between two antenna oscillators (2), be provided with insulating case (3), weld tabs (4) is connected with a splicing ear of radio frequency connector (5) by cable, radio frequency connector (5) is fixed by screws on oscillator seat (1), antenna oscillator (2) adopts low-impedance metal material H62 brass, insulating case (3) adopts High Performance Insulation material polytetrafluoroethylene, weld tabs (4) adopt silver material or H62 brass surfaces gold-plated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210096637.6A CN102610904B (en) | 2012-03-30 | 2012-03-30 | Novel passive dipole antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210096637.6A CN102610904B (en) | 2012-03-30 | 2012-03-30 | Novel passive dipole antenna |
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| CN102610904A CN102610904A (en) | 2012-07-25 |
| CN102610904B true CN102610904B (en) | 2014-05-28 |
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| CN201210096637.6A Active CN102610904B (en) | 2012-03-30 | 2012-03-30 | Novel passive dipole antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108279323B (en) * | 2018-01-31 | 2023-09-19 | 深圳市欢太科技有限公司 | Radio frequency test fixture for electronic equipment |
| CN109273826A (en) * | 2018-12-11 | 2019-01-25 | 成都九华圆通科技发展有限公司 | A kind of vehicle-mounted ultrashort wave microwave omnidirectional monitoring aerial |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976757A (en) * | 2010-10-20 | 2011-02-16 | 大连海事大学 | Single-feed broadband circular polarization laminated microstrip antenna and feeder thereof |
| CN202513276U (en) * | 2012-03-30 | 2012-10-31 | 成都九华圆通科技发展有限公司 | Novel passive dipole antenna |
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| US7724201B2 (en) * | 2008-02-15 | 2010-05-25 | Sierra Wireless, Inc. | Compact diversity antenna system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976757A (en) * | 2010-10-20 | 2011-02-16 | 大连海事大学 | Single-feed broadband circular polarization laminated microstrip antenna and feeder thereof |
| CN202513276U (en) * | 2012-03-30 | 2012-10-31 | 成都九华圆通科技发展有限公司 | Novel passive dipole antenna |
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Denomination of invention: Novel passive dipole antenna Effective date of registration: 20160728 Granted publication date: 20140528 Pledgee: Agricultural Bank of China Limited by Share Ltd Chengdu West Branch Pledgor: Jiuhua Yuantong Science and Technology Development Co., Ltd., Chengdu Registration number: 2016510000036 |
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Date of cancellation: 20201224 Granted publication date: 20140528 Pledgee: Agricultural Bank of China Limited by Share Ltd. Chengdu West Branch Pledgor: CHENGDU JIUHUA YUANTONG TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2016510000036 |