CN104966897B - T-type dipole antenna - Google Patents
T-type dipole antenna Download PDFInfo
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- CN104966897B CN104966897B CN201510395189.3A CN201510395189A CN104966897B CN 104966897 B CN104966897 B CN 104966897B CN 201510395189 A CN201510395189 A CN 201510395189A CN 104966897 B CN104966897 B CN 104966897B
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Abstract
The present invention relates to router field of antenna, and more particularly to T-type dipole antenna, including antenna body, the antenna body is printed on pcb board, and the antenna body includes the radiating element being connected and impedance matching section；The radiating element includes that primary radiation section, signal transmission section and signal feed-in section, the radiating element are provided with short dot and signal feed-in point；The short dot and the signal feed-in point are connect with the impedance matching section respectively.Above-mentioned T-type dipole antenna, by Striking symmetry and small-pitch impedance matching section, electric current constant amplitude is reversed thereon, is not involved in radiation, because without influencing antenna radiation pattern.Meanwhile impedance matching section can easily be accommodated, and aerial radiation section can be made interior in a limited space, space is maximally utilized, increase the bandwidth, efficiency and gain of antenna.
Description
Technical field
The present invention relates to router field of antenna, more particularly to T-type dipole antenna.
Background technology
As people constantly enhance the integrated requirement of communication quality and communication equipment.As communication equipment subassembly, day
Line is also required to higher performance to meet the needs of communication system.The popularity rate of various mobile terminal devices socially promotes speed
Degree is very fast, and among these, most convenient, most quick way are exactly wireless access way, because of wireless access way saving
A large amount of network construction expense, can quickly plan, Fast Installation, quickly comes into operation, and safeguard also relatively succinct.How to set
Counting a kind of miniaturization built-in aerial becomes the difficult point and bottleneck of mobile communication development, so the characteristics of in order to meet this product,
Built-in aerial just needs same light, thin, small accordingly, and the performance of antenna itself cannot be but substantially reduced.
Currently, the built-in PCB printed antennas of router are towards small space, high-performance direction is developed, but due to design cycle
Lack of standardization, Antenna Design randomness is stronger, causes to there are problems that in R＆D process.Including with space lance in router
Shield becomes increasingly conspicuous, and cabling form is complicated, random strong, so that adjustment sequence is complicated in built-in Antenna Design, adjustment difficulty
Greatly.Meanwhile disparity items difference is big, the not versatility of Antenna Design causes R＆D costs high, and resource consumption is big, how so that day
Line is designed with very strong continuity and versatility, to reduce cost, reduces difficulty, reduces the period as one of problem.
Invention content
Based on this, it is necessary to provide the T-type dipole day that a kind of desin speed is fast, adjustment is flexible, effective, simple in structure
Line.
A kind of T-type dipole antenna, including antenna body, the antenna body are printed on pcb board, the antenna body
Including the radiating element being connected and impedance matching section；The radiating element includes primary radiation section, signal transmission section and signal feedback
Enter section, the radiating element is provided with short dot and signal feed-in point；The short dot and the signal feed-in point respectively with institute
State the connection of impedance matching section.
Such as, wherein the total length of the primary radiation section, signal transmission section and signal feed-in section is right for predeterminated frequency
Answer the 1/4 of wavelength.
The signal transmission section is extended irradiation unit in one of the embodiments,.
The irradiation unit is rectangle in one of the embodiments,.
The signal transmission section and its irradiation unit are L-type in one of the embodiments,.
The primary radiation section is wholely set with the irradiation unit in one of the embodiments,.
The signal transmission section is provided with the short dot and the signal feed-in point in one of the embodiments,.
The impedance matching section is provided with open circuit point in one of the embodiments,.
The antenna body presents the antenna body for being connect with coaxial wire in one of the embodiments,
Electricity.
The impedance matching section includes symmetrically arranged first impedance matching section and the second resistance in one of the embodiments,
Anti- matching section.
The first impedance matching section and the second impedance matching section are arranged in parallel in one of the embodiments,.
Above-mentioned T-type dipole antenna, by Striking symmetry and small-pitch impedance matching section, electric current constant amplitude is anti-thereon
To, be not involved in radiation, because without influence antenna radiation pattern.Meanwhile impedance matching section can easily be accommodated, and can make aerial radiation Duan You
In the space of limit, space is maximally utilized, increases the bandwidth, efficiency and gain of antenna.
Description of the drawings
Fig. 1 is the structural schematic diagram for inventing an embodiment T-type dipole antenna；
Fig. 2 is the structural schematic diagram of the radiating element and impedance matching section of embodiment illustrated in fig. 1；
Fig. 3 is that the signal of embodiment illustrated in fig. 1 flows to schematic diagram.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific implementation mode be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of violating intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
Referring to Fig. 1, it is the structural schematic diagram for inventing an embodiment T-type dipole antenna, T-type dipole antenna includes
Antenna body 100, antenna body 100 are printed on pcb board.For example, antenna body 100 is whole T-shaped.Antenna body 100 wraps
Include the radiating element 200 being connected and impedance matching section 300.For example, radiating element 200 is in symmetrical structure.For example, impedance matching
Section 300 is in symmetrical structure.For example, radiating element 200 includes two symmetrically arranged the first L-shaped radiating elements 110 and the
Two radiating elements 120.For example, impedance matching section 300 includes two symmetrically arranged first impedance matching sections 130 and the second impedance
With section 140.For example, the first impedance matching section 130 is set to the end of the first radiating element 110.For example, the first impedance matching section
130 combine to form L-type with the first radiating element 110.For example, the second impedance matching section 140 is set to the second radiating element 120
End.For example, the second impedance matching section 140 and the combination of the second radiating element 120 form L-type.For example, the first impedance matching section
130 and first radiating element 110, and, the second impedance matching section 140 and the second radiating element 120 collectively constitute T-type form
Antenna body.
The present embodiment, by combining radiating element and impedance matching section, i.e., in radiating element bottom end loaded impedance matching section
To realize high efficiency, high-gain performance of the antenna under complex environment.
In order to improve efficiency and the gain of antenna body, for example, the mounting means of antenna body 100 is the installation side of assembling
Formula.For example, the installation site of antenna body 100 is the inner wall of router cover.For example, antenna body 100 is same with 50 ohm
Shaft cable line connects.For example, antenna body 100 connects router by coaxial wire.For example, antenna body 100 passes through 50
Ohm coaxial cable line 400 is fed.In this way, compared with traditional PCB printed dipole antenna, the antenna body of the present embodiment can be with
The distance of PCB main board is closer to improving efficiency and the gain of antenna body.
For example, signal transmission section is extended irradiation unit.For example, primary radiation section is wholely set with irradiation unit, that is, signal passes
Defeated section is extended.For example, extension is connect with primary radiation section, or using primary radiation section as the extension of signal transmission section
Divide, i.e. irradiation unit.
It please refers to Fig.1 and Fig. 2, for example, radiating element 200 includes primary radiation section, signal transmission section and the letter being linked in sequence
Number feed-in section, radiating element 200 are respectively arranged with short dot 00 and signal feed-in point 01.For example, 200 bottom end of radiating element is distinguished
It is provided with short dot 00 and signal feed-in point 01.For example, the bottom end of radiating element is provided with short dot and signal feed-in point.Example
Such as, primary radiation section includes the first primary radiation section 40 and the second primary radiation section 41.For example, signal transmission section includes the first signal transmission
Section 30 and second signal span line 31.For example, signal feed-in section includes the first signal feed-in section 20 and second signal feed-in section 21.
For example, the first radiating element 110 includes the first primary radiation section 40, the first signal transmission section 30 and the first signal feed-in being connected
Section 20.For example, the second radiating element 120 includes the second primary radiation section 41 being connected, the letter of second signal span line 31 and second
Number feed-in section 21.For example, the bottom end of two radiating elements is respectively arranged with short dot 00 and signal feed-in point 01.For example, first
The bottom end of radiating element 110 is provided with short dot 00.For example, the bottom end of the second radiating element 120 is provided with signal feed-in point 01.
For example, two signal transmission section bottom ends are respectively arranged with short dot 00 and signal feed-in point 01.For example, short dot 00 is set to
One signal feed-in section 20.For example, signal feed-in point 01 is set to second signal feed-in section 21.
For example, short dot 00 and signal feed-in point 01 are connect with impedance matching section respectively.For example, short dot 00 and first hinders
Anti- matching section 130 connects.For example, signal feed-in point 01 is connect with the second impedance matching section 140.
In order to enable radiating element is simple and compact for structure, for example, primary radiation section, signal transmission section and signal feed-in section
Total length be 1/4 of the wavelength corresponding to predeterminated frequency, that is to say, that the first primary radiation section 40 and the second primary radiation section 41,
The total length of first signal transmission section 30 and second signal span line 31, the first signal feed-in section 20 and second signal feed-in section 21
For 1/4 wavelength of predeterminated frequency.For example, WIFI frequencies include 2.4GHz and 5GHz.For example, the predeterminated frequency is 2.4GHz.
For example, the predeterminated frequency is 5GHz.In this way, the total length of primary radiation section, signal transmission section and signal feed-in section is default frequency
1/4 wavelength of rate forms the radiant section of a single-frequency, and simple in structure.
For example, primary radiation section is the first irradiation unit that signal transmission section extends out.Two the first irradiation units are respectively used to
Transmitting and reception signal.For example, impedance matching section is provided with open circuit point.For example, open circuit point is set to impedance matching section far from letter
The end of number feed-in section.Referring to Fig. 3, the pointing direction of arrow shown in figure is the flow direction of signal.For example, coaxial cable
Line 400 feeds antenna body.For example, the core wire of coaxial wire 400 is welded with short dot 00, coaxial wire 400
Ground wire and signal feed-in point 01 weld.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, for example, the adjustable setting of the length of impedance matching section, that is to say, that impedance
Length scale with section can adjust.For example, impedance matching section is helical structure.For example, the first impedance matching section is spiral knot
Structure.For example, the second impedance matching section is helical structure.In this way, under complex environment, by adjusting the length of impedance matching section
Degree, it may be convenient to adjust antenna performance, be allowed to optimal, so as to improve signal transmitting and receiving effect of the user in weak signal environment
Fruit can be avoided to provide gain and use oversized antenna, reduce pocket and the user of entire terminal device
Just type.And at the same time ensure the miniaturization of antenna, the characteristics of low-profile size, cost is saved, the entirety of product is maintained
Appearance.In this way, aerial radiation section can be made interior in a limited space, space is maximally utilized, the bandwidth, efficiency and increasing of antenna are increased
Benefit.
For example, the first impedance matching section is arranged with the second impedance matching section parallel and symmetrical.For example, the first impedance matching section
130 and second impedance matching section 140 be arranged in parallel.For example, between the first impedance matching section 130 and the second impedance matching section 140
Away from for 0.1-0.8cm.For example, the spacing of the first impedance matching section 130 and the second impedance matching section 140 is 0.1cm.For example, the
The spacing of one impedance matching section 130 and the second impedance matching section 140 is 0.8cm.In this way, Striking symmetry and small-pitch impedance
Matching section, and, the electric current constant amplitude in impedance matching section is reversed, is not involved in radiation, because without influencing antenna radiation pattern.
The advantage of the invention is that：Pass through Striking symmetry and small-pitch impedance matching section so that in impedance matching section
Electric current constant amplitude it is reversed, radiation is not involved in, to not influencing aerial radiation direction.Also, since matching section can easily be accommodated, can make
Aerial radiation section is interior in a limited space, maximally utilizes space, increases the bandwidth, efficiency and gain of antenna.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of T-type dipole antenna, including antenna body, the antenna body are printed on pcb board, which is characterized in that
The antenna body is fed by coaxial wire；
The antenna body includes the radiating element being connected and impedance matching section；
The radiating element includes that primary radiation section, signal transmission section and signal feed-in section, the radiating element are provided with short dot
And signal feed-in point；
The short dot and the signal feed-in point are connect with the impedance matching section respectively；
The radiating element includes two symmetrically arranged first radiating elements and the second radiating element；
The primary radiation section includes the first primary radiation section and the second primary radiation section, and the signal transmission section includes the first signal transmission
Section and second signal span line, the signal feed-in section include the first signal feed-in section and second signal feed-in section, wherein
The first primary radiation section, the first signal transmission section and the first signal feed-in section being connected form first radiating element,
The second primary radiation section, second signal span line and the second signal feed-in section being connected form second radiating element,
The short dot is set to the first signal feed-in section, and the signal feed-in point is set to the second signal feed-in
Section；
The total length of the primary radiation section, the signal transmission section and the signal feed-in section is the wavelength corresponding to predeterminated frequency
1/4.
2. T-type dipole antenna according to claim 1, which is characterized in that the signal transmission section is extended radiation
Portion.
3. T-type dipole antenna according to claim 2, which is characterized in that the irradiation unit is rectangle.
4. T-type dipole antenna according to claim 2, which is characterized in that the signal transmission section and its radiation
Portion is L-type.
5. T-type dipole antenna according to claim 2, which is characterized in that the primary radiation section and the irradiation unit one
Body is arranged.
6. T-type dipole antenna according to claim 1, which is characterized in that the signal transmission section is provided with described short
Waypoint and the signal feed-in point.
7. T-type dipole antenna according to claim 1, which is characterized in that the impedance matching section is provided with open circuit point.
8. T-type dipole antenna according to claim 1, which is characterized in that the antenna body is used for and coaxial cable
Line connects, and is fed to the antenna body.
9. T-type dipole antenna according to claim 1, which is characterized in that the impedance matching section includes being symmetrical arranged
The first impedance matching section and the second impedance matching section.
10. T-type dipole antenna according to claim 9, which is characterized in that the first impedance matching section and described
Two impedance matching sections are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395189.3A CN104966897B (en) | 2015-07-07 | 2015-07-07 | T-type dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395189.3A CN104966897B (en) | 2015-07-07 | 2015-07-07 | T-type dipole antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104966897A CN104966897A (en) | 2015-10-07 |
| CN104966897B true CN104966897B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510395189.3A Active CN104966897B (en) | 2015-07-07 | 2015-07-07 | T-type dipole antenna |
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Families Citing this family (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 |
| WO2018135059A1 (en) | 2017-01-20 | 2018-07-26 | ソニーセミコンダクタソリューションズ株式会社 | Antenna device and reception device |
| CN110178268B (en) * | 2017-01-20 | 2021-10-08 | 索尼半导体解决方案公司 | Antenna device and receiver |
| 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 |
| 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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| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7098863B2 (en) * | 2004-04-23 | 2006-08-29 | Centurion Wireless Technologies, Inc. | Microstrip antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN104966897A (en) | 2015-10-07 |
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