CN104966897A - T type dipole antenna - Google Patents
T type dipole antenna Download PDFInfo
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- CN104966897A CN104966897A CN201510395189.3A CN201510395189A CN104966897A CN 104966897 A CN104966897 A CN 104966897A CN 201510395189 A CN201510395189 A CN 201510395189A CN 104966897 A CN104966897 A CN 104966897A
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Abstract
The invention relates to a router antenna field, and relates to a T type dipole antenna. The T type dipole antenna comprises an antenna main body; the antenna main body is printed on a PCB; the antenna main body includes a radiation unit and an impedance matching section which are connected with each other; the radiation unit comprises a main radiation section, a signal transmission section and a signal feed-in section; the radiation unit is provided with a short-circuit point and a signal feed-in point; and the short-circuit point and the signal feed-in point are respectively connected with the impedance matching section. According to the T type dipole antenna, the current of the excellently-symmetric and small-interval impedance matching section is reversed in an equal amplitude manner and does not involve in radiation, and therefore, the directional pattern of the antenna will not be affected; and the impedance matching section is easy to adjust, and therefore, when the antenna radiation section is in a limited space, the antenna radiation section can utilize the space maximally, and the bandwidth, efficiency and gain of the antenna can be increased.
Description
Technical field
The present invention relates to router field of antenna, particularly relate to T-shaped dipole antenna.
Background technology
Along with people constantly strengthen the integrated requirement of communication quality and communication equipment.As communication equipment subassembly, antenna also needs higher performance to meet the needs of communication system.Various mobile terminal device popularity rate hoisting velocity socially quickly, at this wherein, most convenient, the most efficiently mode are exactly wireless access way, because wireless access way has saved a large amount of network construction expenses, can plan fast, Fast Installation, to come into operation fast, safeguard also relatively succinct.How to design difficult point and bottleneck that a kind of miniaturized built-in aerial becomes mobile communication development, so the feature in order to meet this product, corresponding built-in aerial just needs same light, thin, little, and the performance of antenna self but can not obviously reduce.
At present, router built-in PCB printed antenna towards little space, high-performance future development, but due to design cycle lack of standardization, Antenna Design randomness is stronger, causes there are some problems in R&D process.Comprise and becoming increasingly conspicuous with space contradiction in router, cabling complex forms, random strong, to such an extent as to adjustment order is complicated when built-in aerial designs, adjustment difficulty is large.Meanwhile, disparity items difference is large, and the not versatility of Antenna Design causes R&D costs high, and resource consumption is large, how to make Antenna Design have very strong continuity and versatility, thus reduces costs, and reduce difficulty, the reduction cycle becomes one of difficult problem.
Summary of the invention
Based on this, be necessary to provide that a kind of desin speed is fast, adjustment flexibly, effectively, the simple T-shaped dipole antenna of structure.
A kind of T-shaped dipole antenna, comprise antenna body, described antenna body is printed on pcb board, and described antenna body comprises the radiating element and impedance matching section that are connected; Described radiating element comprises primary radiation section, Signal transmissions section and signal feed-in section, and described radiating element is provided with short dot and signal feed-in point; Described short dot and described signal feed-in point are connected with described impedance matching section respectively.
Such as, wherein, the total length of described primary radiation section, Signal transmissions section and signal feed-in section corresponding to predeterminated frequency wavelength 1/4.
Wherein in an embodiment, the extended Department of Radiation of described Signal transmissions section.
Wherein in an embodiment, described Department of Radiation is rectangle.
Wherein in an embodiment, described Signal transmissions section and described Department of Radiation thereof are L-type.
Wherein in an embodiment, described primary radiation section and described Department of Radiation are wholely set.
Wherein in an embodiment, described Signal transmissions section is provided with described short dot and described signal feed-in point.
Wherein in an embodiment, described impedance matching section is provided with open circuit point.
Wherein in an embodiment, described antenna body is used for being connected with coaxial wire, to described antenna body feed.
Wherein in an embodiment, described impedance matching section comprises symmetrically arranged first impedance matching section and the second impedance matching section.
Wherein in an embodiment, described first impedance matching section and described second impedance matching section be arranged in parallel.
Above-mentioned T-shaped dipole antenna, by Striking symmetry and the less impedance matching section of spacing, on it, electric current constant amplitude is reverse, does not participate in radiation, does not thus affect antenna pattern.Meanwhile, impedance matching section is easy to regulate, and can make aerial radiation section in limited space, maximum using space, increases the bandwidth of antenna, efficiency and gain.
Accompanying drawing explanation
Fig. 1 is the structural representation of the T-shaped dipole antenna of invention one embodiment;
Fig. 2 is the structural representation of radiating element embodiment illustrated in fig. 1 and impedance matching section;
Fig. 3 is that signal embodiment illustrated in fig. 1 flows to schematic diagram.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
Refer to Fig. 1, it is the structural representation of the T-shaped dipole antenna of invention one embodiment, and T-shaped dipole antenna comprises antenna body 100, and antenna body 100 is printed on pcb board.Such as, antenna body 100 is overall T-shaped.Antenna body 100 comprises the radiating element 200 and impedance matching section 300 that are connected.Such as, radiating element 200 symmetrically structure.Such as, impedance matching section 300 symmetrically structure.Such as, radiating element 200 comprises two symmetrically arranged the first radiating element 110 and the second radiating elements 120 in L-type.Such as, impedance matching section 300 comprises two symmetrically arranged first impedance matching section 130 and the second impedance matching sections 140.Such as, the first impedance matching section 130 is arranged at the end of the first radiating element 110.Such as, the first impedance matching section 130 and the first radiating element 110 are combined to form L-type.Such as, the second impedance matching section 140 is arranged at the end of the second radiating element 120.Such as, the second impedance matching section 140 and the second radiating element 120 are combined to form L-type.Such as, the first impedance matching section 130 and the first radiating element 110, and the second impedance matching section 140 and the second radiating element 120 form the antenna body of T-shaped form jointly.
The present embodiment, by conjunction with radiating element and impedance matching section, namely realizes the high efficiency of antenna under complex environment, high-gain performance at radiating element bottom loaded impedance matching section.
In order to improve efficiency and the gain of antenna body, such as, the mounting means of antenna body 100 is the mounting means of assembling.Such as, the installation site of antenna body 100 is the inwall of router cover.Such as, antenna body 100 is connected with the coaxial wire of 50 ohm.Such as, antenna body 100 is by coaxial wire connection route device.Such as, antenna body 100 carries out feed by 50 ohm coaxial cable lines 400.So, comparatively traditional PCB printed dipole antenna, the antenna body of the present embodiment can be nearer with the distance of PCB mainboard, improves efficiency and the gain of antenna body.
Such as, the extended Department of Radiation of Signal transmissions section.Such as, primary radiation section and Department of Radiation are wholely set, that is, Signal transmissions section is extended.Such as, extension is connected with primary radiation section, or with the extension of primary radiation section for Signal transmissions section, i.e. Department of Radiation.
Refer to Fig. 1 and Fig. 2, such as, radiating element 200 comprises the primary radiation section, Signal transmissions section and the signal feed-in section that are linked in sequence, and radiating element 200 is respectively arranged with short dot 00 and signal feed-in point 01.Such as, radiating element 200 bottom is respectively arranged with short dot 00 and signal feed-in point 01.Such as, the bottom of radiating element is provided with short dot and signal feed-in point.Such as, primary radiation section comprises the first primary radiation section 40 and the second primary radiation section 41.Such as, Signal transmissions section comprises the first Signal transmissions section 30 and secondary signal span line 31.Such as, signal feed-in section comprises the first signal feed-in section 20 and secondary signal feed-in section 21.Such as, the first radiating element 110 comprises the first primary radiation section 40, first Signal transmissions section 30 and the first signal feed-in section 20 be connected.Such as, the second radiating element 120 comprises the second primary radiation section 41, secondary signal span line 31 and the secondary signal feed-in section 21 that are connected.Such as, the bottom of two radiating elements is respectively arranged with short dot 00 and signal feed-in point 01.Such as, the bottom of the first radiating element 110 is provided with short dot 00.Such as, the bottom of the second radiating element 120 is provided with signal feed-in point 01.Such as, two Signal transmissions section bottoms are respectively arranged with short dot 00 and signal feed-in point 01.Such as, short dot 00 is arranged at the first signal feed-in section 20.Such as, signal feed-in point 01 is arranged at secondary signal feed-in section 21.
Such as, short dot 00 and signal feed-in point 01 are connected with impedance matching section respectively.Such as, short dot 00 is connected with the first impedance matching section 130.Such as, signal feed-in point 01 is connected with the second impedance matching section 140.
In order to make the simple and compact for structure of radiating element, such as, 1/4 of the wavelength of total length corresponding to predeterminated frequency of primary radiation section, Signal transmissions section and signal feed-in section, that is, the total length of the first primary radiation section 40 and the second primary radiation section 41, first Signal transmissions section 30 and secondary signal span line 31, first signal feed-in section 20 and secondary signal feed-in section 21 is 1/4 wavelength of predeterminated frequency.Such as, WIFI frequency comprises 2.4GHz and 5GHz.Such as, described predeterminated frequency is 2.4GHz.Such as, described predeterminated frequency is 5GHz.So, the total length of primary radiation section, Signal transmissions section and signal feed-in section is 1/4 wavelength of predeterminated frequency, form the radiant section of a single-frequency, and structure is simple.
Such as, primary radiation section is the first Department of Radiation that Signal transmissions section extends out.Two the first Departments of Radiation are respectively used to launch and Received signal strength.Such as, impedance matching section is provided with open circuit point.Such as, open circuit point is arranged at the end of impedance matching section away from signal feed-in section.Refer to Fig. 3, the pointing direction of the arrow shown in figure is the flow direction of signal.Such as, coaxial wire 400 pairs of antenna bodies carry out feed.Such as, the heart yearn of coaxial wire 400 welds with short dot 00, and the ground wire of coaxial wire 400 welds with signal feed-in point 01.In addition, the other end of coaxial wire 400 is connected on the mainboard of router.
For the ease of adjusting the performance of antenna, such as, the adjustable length of impedance matching section is arranged, and that is, the length scale of impedance matching section can adjust.Such as, impedance matching section be helical structure.Such as, the first impedance matching section is helical structure.Such as, the second impedance matching section is helical structure.So, under complex environment, by the length of adjustment impedance matching section, antenna performance can be adjusted easily, make it optimum, thus improve the signal transmitting and receiving effect of user in weak signal environment, can avoid, in order to provide gain to use oversize antenna, reducing the pocket of whole terminal equipment and type easy to use.And ensure that the miniaturization of antenna, the feature of low-profile size, provides cost savings, and maintains the overall appearance of product simultaneously.So, can make aerial radiation section in limited space, maximum using space, increase the bandwidth of antenna, efficiency and gain.
Such as, the first impedance matching section is parallel with the second impedance matching section and be symmetrical arranged.Such as, the first impedance matching section 130 and the second impedance matching section 140 be arranged in parallel.Such as, the spacing of the first impedance matching section 130 and the second impedance matching section 140 is 0.1-0.8cm.Such as, the spacing of the first impedance matching section 130 and the second impedance matching section 140 is 0.1cm.Such as, the spacing of the first impedance matching section 130 and the second impedance matching section 140 is 0.8cm.So, Striking symmetry and the less impedance matching section of spacing, and the electric current constant amplitude in impedance matching section is reverse, does not participate in radiation, does not thus affect antenna pattern.
The invention has the advantages that: by Striking symmetry and the less impedance matching section of spacing, make the electric current constant amplitude in impedance matching section reverse, do not participate in radiation, thus do not affect aerial radiation direction.Further, because matching section is easy to regulate, can make aerial radiation section in limited space, maximum using space, increase the bandwidth of antenna, efficiency and gain.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a T-shaped dipole antenna, comprises antenna body, and described antenna body is printed on pcb board, it is characterized in that,
Described antenna body comprises the radiating element and impedance matching section that are connected;
Described radiating element comprises primary radiation section, Signal transmissions section and signal feed-in section, and described radiating element is provided with short dot and signal feed-in point;
Described short dot and described signal feed-in point are connected with described impedance matching section respectively.
2. T-shaped dipole antenna according to claim 1, is characterized in that, the extended Department of Radiation of described Signal transmissions section.
3. T-shaped dipole antenna according to claim 2, is characterized in that, described Department of Radiation is rectangle.
4. T-shaped dipole antenna according to claim 2, is characterized in that, described Signal transmissions section and described Department of Radiation thereof are L-type.
5. T-shaped dipole antenna according to claim 2, is characterized in that, described primary radiation section and described Department of Radiation are wholely set.
6. T-shaped dipole antenna according to claim 1, is characterized in that, described Signal transmissions section is provided with described short dot and described signal feed-in point.
7. T-shaped dipole antenna according to claim 1, is characterized in that, described impedance matching section is provided with open circuit point.
8. T-shaped dipole antenna according to claim 1, is characterized in that, described antenna body is used for being connected with coaxial wire, to described antenna body feed.
9. T-shaped dipole antenna according to claim 1, is characterized in that, described impedance matching section comprises symmetrically arranged first impedance matching section and the second impedance matching section.
10. T-shaped dipole antenna according to claim 1, is characterized in that, described first impedance matching section and described second impedance matching section be arranged in parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395189.3A CN104966897B (en) | 2015-07-07 | 2015-07-07 | T-type dipole antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395189.3A CN104966897B (en) | 2015-07-07 | 2015-07-07 | T-type dipole antenna |
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| CN104966897A true CN104966897A (en) | 2015-10-07 |
| CN104966897B CN104966897B (en) | 2018-07-13 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680169A (en) * | 2016-01-29 | 2016-06-15 | 深圳市共进电子股份有限公司 | Double-frequency dipole antenna |
| CN106169648A (en) * | 2016-08-09 | 2016-11-30 | 深圳前海科蓝通信有限公司 | A kind of electrical tilt control method of antenna and described antenna |
| CN106654551A (en) * | 2016-11-18 | 2017-05-10 | 深圳市共进电子股份有限公司 | Wireless electronic equipment and PCB thereof |
| CN106785367A (en) * | 2016-12-26 | 2017-05-31 | 广东中元创新科技有限公司 | A kind of long strip type UV frequency television antennas |
| CN109888497A (en) * | 2019-03-18 | 2019-06-14 | 深圳市共进电子股份有限公司 | A kind of plane dipole dual-band antenna and antenna assembly |
| CN110178268A (en) * | 2017-01-20 | 2019-08-27 | 索尼半导体解决方案公司 | Antenna assembly and receiver |
| CN110199438A (en) * | 2017-01-20 | 2019-09-03 | 索尼半导体解决方案公司 | Antenna assembly and reception device |
| CN114094327A (en) * | 2021-11-11 | 2022-02-25 | 常州柯特瓦电子股份有限公司 | Antenna structure and terminal |
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| US20050237260A1 (en) * | 2004-04-23 | 2005-10-27 | Centurion Wireless Technologies, Inc. | Microstrip Antenna |
| CN102629708A (en) * | 2011-12-27 | 2012-08-08 | 广西工学院 | WIFI (wireless fidelity) mobile terminal plane antenna |
| CN103022649A (en) * | 2013-01-14 | 2013-04-03 | 北京邮电大学 | Impedance-adjustable tag antenna applied to UHF (ultrahigh frequency) RFID (radio-frequency identification) system |
| CN103954263A (en) * | 2014-05-21 | 2014-07-30 | 哈尔滨工业大学 | Dipole antenna wireless strain sensor |
| CN104485503A (en) * | 2014-12-19 | 2015-04-01 | 深圳市共进电子股份有限公司 | Planar inverted F antenna (PIFA) |
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| US20050237260A1 (en) * | 2004-04-23 | 2005-10-27 | Centurion Wireless Technologies, Inc. | Microstrip Antenna |
| CN102629708A (en) * | 2011-12-27 | 2012-08-08 | 广西工学院 | WIFI (wireless fidelity) mobile terminal plane antenna |
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| CN103954263A (en) * | 2014-05-21 | 2014-07-30 | 哈尔滨工业大学 | Dipole antenna wireless strain sensor |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680169A (en) * | 2016-01-29 | 2016-06-15 | 深圳市共进电子股份有限公司 | Double-frequency dipole antenna |
| CN106169648A (en) * | 2016-08-09 | 2016-11-30 | 深圳前海科蓝通信有限公司 | A kind of electrical tilt control method of antenna and described antenna |
| CN106654551A (en) * | 2016-11-18 | 2017-05-10 | 深圳市共进电子股份有限公司 | Wireless electronic equipment and PCB thereof |
| CN106785367A (en) * | 2016-12-26 | 2017-05-31 | 广东中元创新科技有限公司 | A kind of long strip type UV frequency television antennas |
| CN110199438A (en) * | 2017-01-20 | 2019-09-03 | 索尼半导体解决方案公司 | Antenna assembly and reception device |
| CN110178268A (en) * | 2017-01-20 | 2019-08-27 | 索尼半导体解决方案公司 | Antenna assembly and receiver |
| US10930993B2 (en) | 2017-01-20 | 2021-02-23 | Sony Semiconductor Solutions Corporation | Antenna device and reception device |
| US11081772B2 (en) | 2017-01-20 | 2021-08-03 | Sony Semiconductor Solutions Corporation | Antenna device and receiver |
| CN110178268B (en) * | 2017-01-20 | 2021-10-08 | 索尼半导体解决方案公司 | Antenna device and receiver |
| CN109888497A (en) * | 2019-03-18 | 2019-06-14 | 深圳市共进电子股份有限公司 | A kind of plane dipole dual-band antenna and antenna assembly |
| CN109888497B (en) * | 2019-03-18 | 2024-03-22 | 深圳市共进电子股份有限公司 | Planar dipole dual-band antenna and antenna device |
| CN114094327A (en) * | 2021-11-11 | 2022-02-25 | 常州柯特瓦电子股份有限公司 | Antenna structure and terminal |
| CN114094327B (en) * | 2021-11-11 | 2023-06-06 | 常州柯特瓦电子股份有限公司 | Antenna structure and terminal |
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| CN104966897B (en) | 2018-07-13 |
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