CN110323577A - A kind of double outlet high-gain omni-directional antennas of small sized double frequency - Google Patents
A kind of double outlet high-gain omni-directional antennas of small sized double frequency Download PDFInfo
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- CN110323577A CN110323577A CN201810268883.2A CN201810268883A CN110323577A CN 110323577 A CN110323577 A CN 110323577A CN 201810268883 A CN201810268883 A CN 201810268883A CN 110323577 A CN110323577 A CN 110323577A
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- Prior art keywords
- radiating element
- splitter
- frequency
- low frequency
- double
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- 238000001914 filtration Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of double outlet high-gain omni-directional antennas of small sized double frequency, it is characterized by comprising the splitters being integrated on pcb board, and it is set to the high and low frequency radiating element of the splitter side, the high and low frequency radiating element is connected by coaxial line with the splitter, the high and low frequency radiating element uses same radiating element, the radiating element is arranged using array format, and it is connected by microstrip line, high frequency radiating element passes through low frequency delivery outlet output signal by high frequency output mouth output signal, low frequency radiating element.The antenna structure is simple, and production cost is low, while having many advantages, such as that good dual-port, isolation height, omni-directional, high gain, size are small.
Description
Technical field
The present invention relates to a kind of wireless communication field more particularly to a kind of double outlet high-gain omni-directional antennas of small sized double frequency.
Background technique
Omnidirectional antenna, i.e., show as 360 ° of all homogeneous radiations in the horizontal direction on figure, that is, usually described directionless
Property, the wave beam of one fixed width is shown as on height pattern, lobe width is smaller under normal circumstances, and gain is bigger.Omnidirectional
Antenna is generally used for the site type of suburbs and counties under the jurisdiction of a large city great Qu in mobile communication system, and coverage area is big.
Communication system is wired and wireless combination, and the transmitting and receiving of spacing wireless signal are all real by antenna
It is existing, it can be seen that antenna plays a crucial role for wireless communication system.With communication device frequency band application
Diversification, while the limitation to device antenna miniaturization and quantity, the application demand of the double outlet high-gain aerials of compact dual-frequency
Also more and more extensive.
In the double outlet high-gain omni-directional antenna technologies of compact dual-frequency, dual output, high-gain and omnidirectional are all very heavy
The index wanted, in order to improve the isolation of antenna system, in the prior art it is main by increase the distance between antenna element with
And increase the mode of spacer to improve isolation, but this will lead to the biggish volume of antenna system, in order to meet multifrequency side
To the circularity and gain of figure, in the prior art mainly by low-and high-frequency separation design, this also results in the size mistake of antenna
Greatly, it is unfavorable for the miniaturization of mobile terminal, especially in the equipment of small volume itself, such as mobile phone equipment, if day
If line volume is excessive, cause the volume of electronic equipment will be very big.
Summary of the invention
It is an object of the present invention to provide a kind of double outlet high-gain omni-directional antennas of small sized double frequency, and the antenna structure is simple, production
It is at low cost, with the advantages that dual-port, isolation is good, high gain, and omni-directional is good, and size is small.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of double outlet high-gain omnidirectional antennas of small sized double frequency
Line including the splitter being integrated on pcb board, and is set to the high and low frequency radiating element of the splitter side, described
High and low frequency radiating element is connected by coaxial line with the splitter, and the high and low frequency radiating element is single using same radiation
Member, the radiating element are arranged using array format, and are connected by microstrip line, and high frequency radiating element is defeated by high frequency output mouth
Signal out, low frequency radiating element pass through low frequency delivery outlet output signal.
In above-mentioned technical proposal, the splitter uses PCB two-sided deposited copper face comprising splitter High frequency filter unit,
Splitter low frequency filtering unit, the splitter are connected with one 1/4 wavelength short circuit bands, the feedback of the coaxial line and the splitter
Electric end is connected.
In above-mentioned technical proposal, the splitter High frequency filter unit is made of equivalent inductance circuit, and the splitter is low
Frequency filter unit is made of equivalent capacity circuit.
In above-mentioned technical proposal, parallelly feeding is passed through as unit radiating doublet using dipole in the radiating element
Mode is fed, and feeding point is arranged among the radiating element.
In above-mentioned technical proposal, the unit radiating doublet uses PCB two-sided deposited copper face.
In above-mentioned technical proposal, described coaxial line one end is connected with the splitter, and the other end is connected with the microstrip line.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
1. high and low frequency radiating element uses same radiating element in the present invention, it is connected by coaxial line with splitter, by dividing
Road device realizes the high-isolation of low-and high-frequency signal, compared with the mode of traditional low-and high-frequency separation design and increase spacer, greatly
The size for reducing antenna greatly, is conducive to the miniaturization of mobile terminal.
2. radiating element is arranged using array format, gain can be improved, meet us and want omnidirectional's height increasing of design
The requirement of benefit.
3. radiating element and splitter are integrated on same pcb board, the miniaturization of antenna is realized, while simplifying antenna
Production and processing, substantially reduce manual debugging time and production cost.
4. it is fed as unit radiating doublet by parallelly feeding mode in radiating element using dipole, it is single in radiation
First intermediate setting feeding point, structure design make the current feed phase inconsistency of each radiating element be greatly improved, and by
In the symmetry of structure, the stability that can preferably keep antenna main lobe to be directed toward.
5. splitter uses PCB double-side copper-applying, including splitter High frequency filter unit, splitter low frequency filtering unit, point
Road device High frequency filter unit is made of equivalent inductance, can only be by low frequency signal, and splitter low frequency filtering unit is by equivalent capacity
It constitutes, can only realize low-and high-frequency Signal separator by high-frequency signal.
6. high frequency radiating element passes through low frequency delivery outlet output letter by high frequency output mouth output signal, low frequency radiating element
Number, there are two signal output ends for setting.
7. splitter is connected with one 1/4 wavelength short circuit bands, 1/4 wavelength short circuit band can greatly improve low in conjunction with splitter
Isolation between frequency delivery outlet and high frequency output mouth.
Detailed description of the invention
Fig. 1 is inventive antenna structure chart；
Fig. 2 is inventive antenna structure chart.
Wherein: 1, low frequency delivery outlet；2, high frequency output mouth；3, splitter High frequency filter unit；4, splitter low frequency filtering
Unit；5, low frequency radiating element；6, high frequency radiating element；7, microstrip line；8, splitter；9, pcb board；10, coaxial line；11,1/4
Wavelength short circuit band.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment one: referring to shown in Fig. 1~2, a kind of double outlet high-gain omni-directional antennas of small sized double frequency, including be integrated in
Splitter 8 on pcb board 9, and it is set to high frequency radiating element 6, the low frequency radiating element 5 of 8 side of splitter, it radiates
Unit and the splitter 8 are integrated on the same pcb board 9, realize the miniaturization of antenna, while simplifying the production of antenna
And processing, manual debugging time and production cost are substantially reduced, the high frequency radiating element 6, low frequency radiating element 5 pass through coaxial
Line 10 is connected with the splitter 8, and the high-isolation of low-and high-frequency signal is realized by the splitter 8, is separated with traditional low-and high-frequency
Formula design and the mode for increasing spacer are compared, and are substantially reduced the size of antenna, are conducive to the miniaturization of mobile terminal,
The high frequency radiating element 6, low frequency radiating element 5 use same radiating element, and the radiating element is arranged using array format,
It is connected by microstrip line 7, improves gain, realize omni-directional, high frequency radiating element 6 passes through 2 output signal of high frequency output mouth, low frequency
Radiating element 5 passes through 1 output signal of low frequency delivery outlet.
As shown in Fig. 1~2, the splitter 8 uses PCB two-sided deposited copper face comprising splitter High frequency filter unit 3,
Splitter low frequency filtering unit 4, the splitter are connected with one 1/4 wavelength short circuit bands 11, the coaxial line 10 and the branch
8 feed end of device is connected.
As shown in Fig. 1~2, the splitter High frequency filter unit 3 is made of equivalent inductance circuit, can only be believed by low frequency
Number, the splitter low frequency filtering unit 4 is made of equivalent capacity circuit, can only realize low-and high-frequency signal by high-frequency signal
Separation.
As shown in Fig. 1~2, using dipole as unit radiating doublet in the radiating element, by parallelly feeding side
Formula feed, feeding point is set among the radiating element, make the current feed phase inconsistency of each radiating element obtain compared with
It is big to improve, and due to the symmetry of structure, the stability that can preferably keep antenna main lobe to be directed toward.
As shown in Fig. 1~2, the unit radiating doublet uses PCB two-sided deposited copper face.
As shown in Fig. 1~2, described 10 one end of coaxial line is connected with the splitter 8, the other end and 7 phase of microstrip line
Even.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of double outlet high-gain omni-directional antennas of small sized double frequency, it is characterised in that: including the splitter being integrated on pcb board,
And be set to the high and low frequency radiating element of the splitter side, the high and low frequency radiating element by coaxial line with it is described
Splitter is connected, and the high and low frequency radiating element uses same radiating element, and the radiating element is arranged using array format,
And connected by microstrip line, high frequency radiating element is exported by high frequency output mouth output signal, low frequency radiating element by low frequency
Mouth output signal.
2. the double outlet high-gain omni-directional antennas of small sized double frequency according to claim 1, it is characterised in that: the splitter is adopted
With PCB two-sided deposited copper face comprising splitter High frequency filter unit, splitter low frequency filtering unit, the coaxial line with it is described
The feed end of splitter is connected.
3. the double outlet high-gain omni-directional antennas of small sized double frequency according to claim 2, it is characterised in that: the splitter is high
Frequency filter unit is made of equivalent inductance circuit, and the splitter low frequency filtering unit is made of equivalent capacity circuit.
4. the double outlet high-gain omni-directional antennas of small sized double frequency according to claim 1, it is characterised in that: the splitter connects
It is connected to one 1/4 wavelength short circuit bands.
5. the double outlet high-gain omni-directional antennas of small sized double frequency according to claim 1, it is characterised in that: the radiating element
It is middle to use dipole as unit radiating doublet, it is fed by parallelly feeding mode, feed is set among the radiating element
Point.
6. the double outlet high-gain omni-directional antennas of small sized double frequency according to claim 4, it is characterised in that: the unit radiation vibration
Son uses PCB two-sided deposited copper face.
7. the double outlet high-gain omni-directional antennas of small sized double frequency according to claim 1, it is characterised in that: the coaxial line one
End is connected with the splitter, and the other end is connected with the microstrip line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268883.2A CN110323577A (en) | 2018-03-29 | 2018-03-29 | A kind of double outlet high-gain omni-directional antennas of small sized double frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268883.2A CN110323577A (en) | 2018-03-29 | 2018-03-29 | A kind of double outlet high-gain omni-directional antennas of small sized double frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110323577A true CN110323577A (en) | 2019-10-11 |
Family
ID=68110612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810268883.2A Pending CN110323577A (en) | 2018-03-29 | 2018-03-29 | A kind of double outlet high-gain omni-directional antennas of small sized double frequency |
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| Country | Link |
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| CN (1) | CN110323577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078457A (en) * | 2021-02-19 | 2021-07-06 | 深圳市信维通信股份有限公司 | Double-frequency double-fed high-gain antenna and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201820881U (en) * | 2010-07-12 | 2011-05-04 | 佛山市迪安通讯设备有限公司 | Dual-frequency omnidirectional antenna |
| CN202268462U (en) * | 2011-09-30 | 2012-06-06 | 摩比天线技术（深圳）有限公司 | TD smart antenna and built-in micro-strip combiner thereof |
| CN203895598U (en) * | 2014-04-25 | 2014-10-22 | 信邦电子股份有限公司 | High-gain double-frequency array antenna |
| CN105186106A (en) * | 2015-09-21 | 2015-12-23 | 昆山昕芮特电子科技有限公司 | Multiple input multiple output (MIMO) antenna |
| US20170338558A1 (en) * | 2016-05-20 | 2017-11-23 | Rockwell Collins, Inc. | Systems and methods for ultra-ultra-wide band aesa |
| CN208272148U (en) * | 2018-03-29 | 2018-12-21 | 苏州市吴通天线有限公司 | A kind of double outlet high-gain omni-directional antennas of small sized double frequency |
-
2018
- 2018-03-29 CN CN201810268883.2A patent/CN110323577A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201820881U (en) * | 2010-07-12 | 2011-05-04 | 佛山市迪安通讯设备有限公司 | Dual-frequency omnidirectional antenna |
| CN202268462U (en) * | 2011-09-30 | 2012-06-06 | 摩比天线技术（深圳）有限公司 | TD smart antenna and built-in micro-strip combiner thereof |
| CN203895598U (en) * | 2014-04-25 | 2014-10-22 | 信邦电子股份有限公司 | High-gain double-frequency array antenna |
| CN105186106A (en) * | 2015-09-21 | 2015-12-23 | 昆山昕芮特电子科技有限公司 | Multiple input multiple output (MIMO) antenna |
| US20170338558A1 (en) * | 2016-05-20 | 2017-11-23 | Rockwell Collins, Inc. | Systems and methods for ultra-ultra-wide band aesa |
| CN208272148U (en) * | 2018-03-29 | 2018-12-21 | 苏州市吴通天线有限公司 | A kind of double outlet high-gain omni-directional antennas of small sized double frequency |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078457A (en) * | 2021-02-19 | 2021-07-06 | 深圳市信维通信股份有限公司 | Double-frequency double-fed high-gain antenna and electronic equipment |
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