CN206432391U - Dipole antenna and its communication equipment - Google Patents
Dipole antenna and its communication equipment Download PDFInfo
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- CN206432391U CN206432391U CN201720023565.0U CN201720023565U CN206432391U CN 206432391 U CN206432391 U CN 206432391U CN 201720023565 U CN201720023565 U CN 201720023565U CN 206432391 U CN206432391 U CN 206432391U
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- dipole antenna
- radiating element
- short dot
- transmission line
- feeding transmission
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Abstract
The utility model is related to a kind of dipole antenna and its communication equipment.A kind of dipole antenna includes feeding transmission line；Distributing point, the first short dot and the second short dot are disposed with feeding transmission line；First dipole antenna includes the first radiating element and the second radiating element；First radiating element is connected to distributing point；Second radiating element is connected to the first short dot；First radiating element and the second radiating element have different radiation directions；And it is connected to the second dipole antenna of the second short dot；While second dipole antenna is as three radiating element independently of the first dipole antenna, also as the reflecting surface of the first dipole antenna.Above-mentioned dipole antenna, the second dipole antenna namely is equivalent to as the reflecting surface of the first dipole antenna and increases a reflecting surface in the first dipole antenna side, thus improves dipole antenna gain.The dipole antenna configuration is simple, disclosure satisfy that the miniaturization demand of the communication equipments such as router.
Description
Technical field
The utility model is related to antenna technical field, more particularly to a kind of dipole antenna and its communication equipment.
Background technology
As people constantly strengthen the integrated requirement of communication quality and communication equipment, various communication terminal devices are in society
On popularity rate lifting speed it is very fast.Most convenient, most quick way are exactly wireless access way, and wireless access needs day
Line.With the miniaturization of the communication equipments such as router, the antenna built in it is also required that to miniaturization.Traditional antenna
While miniaturization is realized, its performance also can be reduced substantially therewith, so that communication use demand can not be met.
Utility model content
Based on this, it is necessary to provide dipole antenna and communication equipment a kind of simple in construction and with high-gain performance.
A kind of dipole antenna, including：Feeding transmission line；Distributing point, first are disposed with the feeding transmission line
Short dot and the second short dot；First dipole antenna, including the first radiating element and the second radiating element；First radiation
Unit is connected to the distributing point；Second radiating element is connected to first short dot；First radiating element and
Second radiating element has different radiation directions；And second dipole antenna, it is connected to second short dot；Institute
While the second dipole antenna is stated as three radiating element independently of first dipole antenna, also as described
The reflecting surface of one dipole antenna.
In one of the embodiments, the total length of first radiating element and the distributing point and first short circuit
The length sum between feeding transmission line between point is a quarter of default radiation wavelength to form the quarter-wave vast of heaven
Line；Between feeding transmission line between the total length and the distributing point and first short dot of second radiating element
Length sum is a quarter of default radiation wavelength to form quarter-wave aerial；Second dipole antenna is two
/ mono- wavelength antennas.
In one of the embodiments, second radiating element includes the first oscillator and the second oscillator；Described first shakes
Substantially symmetrical about its central axis setting of sub and described second oscillator along first radiating element；One end of first oscillator and described
One end of two oscillators is commonly connected to first short dot；First oscillator and second oscillator formation are open to described
Second dipole antenna and in flaring shape horn structure.
In one of the embodiments, the feeding transmission line between the distributing point and first short dot is used as first
Impedance matching section.
In one of the embodiments, the feeding transmission line conduct between first short dot and second short dot
Second impedance matching section.
In one of the embodiments, the feeding transmission line is coaxial cable, and the coaxial cable is additionally operable to and radio frequency
Signal source is connected.
In one of the embodiments, second dipole antenna is rectangular radiation patch.
In one of the embodiments, first radiating element is opposite with the radiation direction of second radiating element.
In one of the embodiments, the dipole antenna is PCB antenna.
A kind of communication equipment, including radio-frequency signal source, in addition to the dipole antenna described in any of the above-described embodiment；Institute
State radio-frequency signal source to be connected with the feeding transmission line, for providing radiofrequency signal to the dipole antenna.
Above-mentioned dipole antenna, including the first dipole antenna and the second dipole antenna.First dipole antenna includes
The first radiating element and the second radiating element with different radiation directions.Second dipole antenna is used as the first dipole antenna
Reflecting surface, namely be equivalent to the first dipole antenna side increase a reflecting surface, thus improve dipole antenna increasing
Benefit.The dipole antenna configuration is simple, disclosure satisfy that the miniaturization demand of the communication equipments such as router.
Brief description of the drawings
Fig. 1 be an embodiment in dipole antenna structural representation；
Fig. 2 moves towards schematic diagram for the circuit of the dipole antenna in Fig. 1；
Fig. 3 is antenna radiation pattern of traditional dipole antenna under CST simulation softwares；
Antenna radiation patterns of the Fig. 4 for the dipole antenna in Fig. 1 under CST simulation softwares.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Fig. 1 be an embodiment in dipole antenna structural representation.As shown in figure 1, the dipole antenna includes feedback
Electric transmission line 100, the first dipole antenna 200 and the second dipole antenna 300.
Feeding transmission line 100 is coaxial cable.Feeding transmission line 100 is provided with distributing point 101, the and of the first short dot 103
Second short dot 105.First dipole antenna 200 includes the first radiating element 201 and the second radiating element 203.First radiation
Unit 201 is connected with the distributing point 101 of feeding transmission line 100.Second radiating element 203 and first on feeding transmission line 100
Short dot 103 is connected.Second dipole antenna 300 is connected with the second short dot 105 of feeding transmission line 100.In the present embodiment
In, the feeding transmission line 100 between the short dot 103 of distributing point 101 and first is the first impedance matching section 107.First short dot
103 and the second feeding transmission line 100 between short dot 105 be the second impedance matching section 109.Coaxial cable is same using 50 ohm
Shaft cable line, namely the first impedance matching section 107 and the second impedance matching section 109 constitute 50 ohms impedance match section, to carry
High antenna performance.
The length sum of the total length of first radiating element 201 and the first impedance matching section 107 is default radiation wavelength
A quarter, to form quarter-wave aerial.The total length of second radiating element 203 and the first impedance matching section 107
Length sum is a quarter of default radiation wavelength, to form quarter-wave aerial.First radiating element 201 and second
Radiating element 203 has different radiation directions.In the present embodiment, the first radiating element 201 and the second radiating element 203
Radiation direction is opposite.
Second dipole antenna 300 includes the 3rd radiating element 301.3rd radiating element 301 is 1/2nd wavelength day
Line.3rd radiating element 301 is connected with the second short dot 105 of feeding transmission line 100.3rd radiating element 301 be independently of
The radiating element of first dipole antenna 200, and the 3rd radiating element 301 is used as the reflecting surface of the first dipole antenna 200.
Specifically, reflecting surface of the 3rd radiating element 301 as the second radiating element 203, enters to the radiated wave of the second radiating element 203
Row reflection, to cause the radiated wave of the second radiating element 203 identical with the radiation direction of the radiated wave of the first radiating element 201,
So that the radiated wave of the radiated wave of the second radiating element 203 and the first radiating element 201 is overlapped, and then improve this
The radiation gain performance of dipole antenna.In one embodiment, the second dipole antenna 300 is rectangular radiation patch.
Above-mentioned dipole antenna, including the first dipole antenna 200 and the second dipole antenna 300.First dipole day
Line 200 includes the first radiating element 201 and the second radiating element 203 with different radiation directions.Second dipole antenna 300
As the reflecting surface of the first dipole antenna 200, namely it is equivalent in one reflection of the side of the first dipole antenna 200 increase
Face, thus improve dipole antenna gain.The dipole antenna configuration is simple, disclosure satisfy that the small of the communication equipments such as router
Type growth requirement.
In one embodiment, the second radiating element 203 includes the first oscillator 2031 and the second oscillator 2032.First oscillator
2031 and second substantially symmetrical about its central axis setting of the oscillator 2032 along the first radiating element 201.One end and second of first oscillator 2031
One end of oscillator 2032 is commonly connected to the first short dot 103.First oscillator 2031 and the second oscillator 2032 formation opening are to the
Two dipole antennas 200 and in flaring shape horn structure, can also be referred to as " eight " word structure.First oscillator 2031 and
The opening angle of two oscillators 2032 formation is adjusted according to actual application environment, to increase swept area.The dipole day
The relative bandwidth of line can reach 22%.
In other embodiments, can also be by adjusting between the second radiating element 203 and the 3rd radiating element 301 simultaneously
Distance and the first oscillator 2031 and the second oscillator 2032 in the second radiating element 203 between opening angle adjust idol
The performance of pole sub-antenna, so that the dipole antenna adapts to a variety of application environments and best performance.
Fig. 2 moves towards schematic diagram for the circuit of the dipole antenna in Fig. 1.Arrow in Fig. 2 represents that the electric current in antenna is walked
To direction.As shown in Fig. 2 the current direction of the first radiating element 201 and the second radiating element 203 is on the contrary, so as to the first radiation
The radiated wave of the radiating element 203 of unit 201 and second is reverse.The current direction and the first radiating element of 3rd radiating element 301
201 current direction is on the contrary, that is to say the radiated wave of the 3rd radiating element 301 and the radiated wave direction of the first radiating element 201
Conversely.3rd radiating element 301 is carried out as the reflecting surface of the second radiating element 203 to the radiated wave of the second radiating element 203
Reflection, to cause the radiated wave direction of the second radiating element 203 identical with the radiated wave direction of the first radiating element 201, so that
So that the radiated wave of the second radiating element 203 is superimposed with the radiated wave of the first radiating element 201, and then improve the incremental of antenna
Energy.
Fig. 3 is antenna radiation pattern of traditional dipole antenna under CST simulation softwares.As shown in figure 3, traditional dipole
Sub-antenna is to be shaken molecular antenna by identical quarter-wave up and down, and the maximum of its theoretical gain is 2.38dBi.My god
The directional diagram gray value of line is corresponding with the yield value of antenna.The gain of the antenna centered on gain maximum point, to surrounding by
Gradually reduce.Antenna radiation patterns of the Fig. 4 for the dipole antenna in Fig. 1 under CST simulation softwares.As shown in figure 4, the dipole day
The gain maximum of line is more than 3.8dBi.The directional diagram gray value of antenna is corresponding with the yield value of antenna.The gain of the antenna
Centered on gain maximum point, gradually reduced to surrounding.Pass through comparison diagram 3 and Fig. 4 simulation result figure, it is known that of the invention
The high gain of the traditional dipole antenna of the ratio of gains of dipole antenna.
A kind of communication equipment, including radio-frequency signal source.Also include the dipole antenna described in any of the above-described embodiment.Penetrate
Frequency source signal is connected with feeding transmission line 10, for providing radiofrequency signal to dipole antenna.In the present embodiment, the communication is set
Standby is router.In other embodiments, the communication equipment can also be mobile phone, computer etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply 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, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of dipole antenna, it is characterised in that including：
Feeding transmission line；Distributing point, the first short dot and the second short dot are disposed with the feeding transmission line；
First dipole antenna, including the first radiating element and the second radiating element；First radiating element is connected to described
Distributing point；Second radiating element is connected to first short dot；First radiating element and second radiation are single
Member has different radiation directions；And
Second dipole antenna, is connected to second short dot；Second dipole antenna is as independently of described first
While three radiating element of dipole antenna, also as the reflecting surface of first dipole antenna.
2. dipole antenna according to claim 1, it is characterised in that the total length of first radiating element with it is described
The length sum between feeding transmission line between distributing point and first short dot is a quarter of default radiation wavelength
To form quarter-wave aerial；The total length of second radiating element and the distributing point and first short dot it
Between feeding transmission line between length sum be a quarter of default radiation wavelength to form quarter-wave aerial；Institute
The second dipole antenna is stated for 1/2nd wavelength antennas.
3. dipole antenna according to claim 1, it is characterised in that second radiating element include the first oscillator and
Second oscillator；The setting substantially symmetrical about its central axis of first oscillator and second oscillator along first radiating element；Described
One end of one oscillator and one end of second oscillator are commonly connected to first short dot；First oscillator and described
Two oscillators form the horn structure that is to second dipole antenna and being in flaring shape that is open.
4. dipole antenna according to claim 1, it is characterised in that between the distributing point and first short dot
Feeding transmission line be used as the first impedance matching section.
5. dipole antenna according to claim 1, it is characterised in that first short dot and second short dot
Between feeding transmission line be used as the second impedance matching section.
6. dipole antenna according to claim 1, it is characterised in that the feeding transmission line is coaxial cable, described
Coaxial cable is additionally operable to be connected with radio-frequency signal source.
7. dipole antenna according to claim 1, it is characterised in that second dipole antenna is rectangular radiation
Piece.
8. dipole antenna according to claim 1, it is characterised in that first radiating element and the described second radiation
The radiation direction of unit is opposite.
9. dipole antenna according to claim 1, it is characterised in that the dipole antenna is PCB antenna.
10. a kind of communication equipment, including radio-frequency signal source, it is characterised in that also including any one of the claims 1-9 institutes
The dipole antenna stated；The radio-frequency signal source is connected with the feeding transmission line, is penetrated for being provided to the dipole antenna
Frequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023565.0U CN206432391U (en) | 2017-01-05 | 2017-01-05 | Dipole antenna and its communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023565.0U CN206432391U (en) | 2017-01-05 | 2017-01-05 | Dipole antenna and its communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432391U true CN206432391U (en) | 2017-08-22 |
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ID=59584783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720023565.0U Active CN206432391U (en) | 2017-01-05 | 2017-01-05 | Dipole antenna and its communication equipment |
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| Country | Link |
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| CN (1) | CN206432391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232438A (en) * | 2017-12-25 | 2018-06-29 | 广东盛路通信科技股份有限公司 | A kind of 2.4G WIFI 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 |
-
2017
- 2017-01-05 CN CN201720023565.0U patent/CN206432391U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232438A (en) * | 2017-12-25 | 2018-06-29 | 广东盛路通信科技股份有限公司 | A kind of 2.4G WIFI antennas |
| CN108232438B (en) * | 2017-12-25 | 2024-03-29 | 广东盛路通信科技股份有限公司 | 2.4G WIFI antenna |
| 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 |
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