CN108598677A - A kind of radiating element and antenna with space filtering function - Google Patents
A kind of radiating element and antenna with space filtering function Download PDFInfo
- Publication number
- CN108598677A CN108598677A CN201810342213.0A CN201810342213A CN108598677A CN 108598677 A CN108598677 A CN 108598677A CN 201810342213 A CN201810342213 A CN 201810342213A CN 108598677 A CN108598677 A CN 108598677A
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- radiating element
- filtering function
- space filtering
- frequency
- oscillator
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- 238000001914 filtration Methods 0.000 title claims abstract description 33
- 230000005855 radiation Effects 0.000 claims abstract description 33
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000010295 mobile communication Methods 0.000 abstract description 9
- 238000005388 cross polarization Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition 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
-
- 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
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The present invention provides a kind of radiating element with space filtering function, it includes two orthogonal oscillators, two couple feed structures and balanced unbalanced transformer, described two orthogonal oscillators are connect with balanced unbalanced transformer, and open circuit detail is respectively equipped on four radiation arms that described two orthogonal oscillators are formed.Open circuit minor matters are arranged in the radiating element on radiation arm, and open circuit detail forms a spatial filter in radiation space, can thus effectively reduce the influence between radiating element of the present invention and its multiplier unit.High band and low-frequency range can be made to influence to become smaller using the antenna of the radiating element, so that there is product preferable front and back ratio, cross polarization characteristics, horizontal plane beam angle to restrain and the good circuit performances such as high-isolation, it ensure that antenna obtains the index request that can meet current mobile communication to multifrequency antenna under reduced size.Simultaneously the radiating element also have many advantages, such as it is simple in structure, be easily assembled to, performance is stable and cost is relatively low.
Description
Technical field
This patent is related to mobile communication technology field, more particularly to a kind of simple in structure, small on the influence of frequency multiplication radiating element
The radiating element with space filtering function, and using this radiating element antenna structure.
Background technology
In these years, the development speed of mobile communication technology is at full speed, by the first generation, the second generation and the third generation once
Wide-band mobile communication technology（3G）, fast transition arrived fourth generation mobile communication technology of today（LTE）And it is building now
If the 5th third-generation mobile communication technology（5G）.The occupied frequency spectrum of different mobile communication system more or less has different,
Mainly there are LTE700, GSM900, DCS, PCS, UMTS, LTE2600, WLAN, WiMAX etc. in the frequency zones being frequently used, therefore,
In order to adapting to multiple technologies standard and deposit, the wideband base station antenna of multiple types system is covered by design, it can be effective
Ground avoids the repetitive addressing and construction of base station, greatly reduces cost, economizes on resources.
But if low frequency radiating element and high frequency radiating element are arranged in an antenna for base station, high band and low-frequency range
It is possible that can cause to influence each other, high frequency unit influences each other with low frequency cell in order to prevent just needs Antenna Design to be larger
The antenna of size, but with current antenna to miniaturization, light-weighted direction develop, existing radiating element then be difficult meet want
It asks, it is therefore necessary to design a kind of new radiating element with space filtering function, and the day using this radiating element
Line.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide one kind can avoid and times radio-frequency radiation
Module high band influences each other, and can realize antenna miniaturization, the light-weighted radiating element with space filtering function.
In order to achieve the above objects and other related objects, the present invention provides a kind of radiation list with space filtering function
Member comprising two orthogonal oscillators, two couple feed structures and balanced-unbalanced transformer, described two orthogonal shakes
Son is connect with balanced-unbalanced transformer, and being respectively equipped with two on four radiation arms that described two orthogonal oscillators are formed opens
Road detail.
Preferably, the top of described two orthogonal oscillators is equipped with and guides piece into, and the shape for guiding piece into is orthogonal with two
Oscillator shape it is corresponding, the piece of guiding into is supported on the oscillator.
Preferably, the distance between the piece and the oscillator of guiding into is λ 1/40, and λ 1 is background radiation unit center frequency phase
Corresponding wavelength.
Preferably, the oscillator is the rectangular patch structure being printed on oscillator medium substrate, the open circuit detail printing
On the rectangular patch.
Preferably, the length for the radiation arm that the oscillator is formed is λ 1/4, and λ 1 is that background radiation unit center frequency is corresponding
Wavelength.
Preferably, the length of open circuit minor matters there are two being set on the radiation arm, the open circuit detail is λ 2/4, and λ 2 is this spoke
Penetrate the frequency multiplication radiating element wavelength of unit.
Preferably, described two orthogonal oscillators are projected as "×" shape structure, " ten " character form structure on its pitching face
Or " rice " character form structure.
Preferably, the open circuit detail is " L " shape or T-shape.
Preferably, described two couple feed structure settings are in the center for being separately positioned on two oscillators, institute
The microstrip line end for stating couple feed structure is made of the open-circuit line of a λ 1/4, and λ 1 is that background radiation unit center frequency is corresponding
Wavelength.
The present invention, which opens, discloses a kind of antenna structure designed using above-mentioned radiating element comprising at least one radiation is single
Tuple, the radiating element group includes a radiating element and two high frequency radiating elements with space filtering function, described
The frequency of high frequency radiating element is twice of the radiating element frequency with space filtering function, described to have space filtering
The distribution of the radiating element of function and high frequency radiating element forms a line, the two neighboring radiating element with space filtering function it
Between distance be λ 1, the distance between two neighboring high frequency radiating element be λ 1/3, λ 1 be this have space filtering function spoke
Penetrate the corresponding wavelength of unit center frequency.
As described above, should be had the advantages that with the radiating element of space filtering function：The radiating element is in spoke
Setting open circuit minor matters, open circuit detail on arm is penetrated to form a spatial filter in radiation space, can thus effectively reduce this patent
Influence between radiating element and its multiplier unit.High band and low-frequency range can be made to influence to become using the antenna of the radiating element
Small, so that product has, preferable front and back ratio, cross polarization characteristics, horizontal plane beam angle are restrained and high-isolation etc. is good
Good circuit performance, ensure that antenna obtains under reduced size can meet current mobile communication and wanted to the index of multifrequency antenna
It asks.Simultaneously the radiating element also have many advantages, such as it is simple in structure, be easily assembled to, performance is stable and cost is relatively low.
Description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the vertical view of the embodiment of the present invention.
Fig. 3 is the side view of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of antenna of the embodiment of the present invention.
Component label instructions：1, oscillator；2, open circuit detail；3, balanced-unbalanced transformer；4, couple feed structure；5、
Guide piece into；6, radiating element with space filtering function, 7, high frequency radiating element.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig.4.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, 2, 3, the present invention provides a kind of radiating element with space filtering function comprising two orthogonal
Oscillator 1, balanced-unbalanced transformer 3 and the two couple feed structures 4 of setting, two oscillators 1 are symmetricly set on balance-no
The upper end of balance converter 3, two oscillators 1, which are symmetrical arranged, forms four radiation arms, and open circuit minor matters are equipped on each radiation arm
2.As a kind of specific implementation mode, open circuit minor matters 2 can be " L " shape or "T"-shaped, preferably " L " shape.Oscillator 1 is to be printed on
Rectangular patch structure on oscillator medium substrate, open circuit detail 2 are printed on rectangular patch.
The length by length for four radiation arms that two oscillators 1 are formed is about λ 1/4, and λ 1 is background radiation unit center frequency phase
Corresponding wavelength, the in this way radiating element can be half-wave dipole.The length of open circuit detail on radiation arm is λ 2/4, and λ 2 is this
The frequency multiplication radiating element wavelength of radiating element, the frequency of frequency multiplication radiating element are 2 times of this patent radiating element frequency（Such as this
Patent radiating element frequency is 900MHz, the frequency i.e. about 1800Mhz of frequency multiplication radiating element）.On this each radiation arm
Two open circuit minor matters can form a spatial filter, to reduce the shadow between this patent unit and its frequency multiplication radiating element
It rings.
The top of two orthogonal oscillators 1 is equipped with and guides piece 5 into as a preferred implementation manner, guide into the shape of piece 5 with
Two orthogonal 1 shapes of oscillator are corresponding, guide piece 5 into and are supported on oscillator 1 by insulating materials.Guide into piece and the oscillator it
Between distance be λ 1/40, λ 1 be the corresponding wavelength of background radiation unit center frequency.It is equipped with right over radiating element and guides piece into
5, it can be achieved that antenna it is broadband, while can also improve the cross polarization of antenna and front and back ratio characteristic.Two orthogonal oscillators 1
It is projected as "×" shape structure, " ten " character form structure or " rice " character form structure on its pitching face.Due to guide into piece 5 with two
Orthogonal 1 shape of oscillator is corresponding, therefore to be also set as "×" shape structure, " ten " character form structure or " rice " font knot accordingly
Structure.
The top of balanced-unbalanced transformer 3 is connect with the lower end of oscillator 1, and the height of balanced-unbalanced transformer 3 is about
It is the corresponding wavelength of background radiation unit center frequency for λ 1/4, λ 1.Two couple feed structures 4 are arranged in two oscillators 1
The microstrip line end of center, couple feed structure 4 is made of the open-circuit line of a λ 1/4, and λ 1 is background radiation unit center frequency
Corresponding wavelength.Microstrip line is printed on the back side of 3 substrate of balanced-unbalanced transformer, which can play single to radiation
First couple feed effect.
As shown in figure 4, this patent also discloses a kind of day knot using the radiating element with space filtering function
Structure comprising at least one radiating element group, radiating element group include a radiating element 6 with space filtering function（I.e.
Radiating element described in this patent）Frequency with two high frequency radiating elements 7, high frequency radiating element 7 is with space filtering
Twice of 6 frequency of radiating element of function, the radiating element 6 with space filtering function are lined up with the distribution of high frequency radiating element 7
One row.When as a preferred implementation manner, if any multiple radiating element groups, the two neighboring radiation with space filtering function
The distance between unit is λ 1, and in same radiating element group, the distance between two neighboring high frequency radiating element is λ 1/3, and λ 1 is
This has the corresponding wavelength of 6 centre frequency of radiating element of space filtering function.
Two open circuit minor matters are arranged in the radiating element on radiation arm, and two open circuit details form a space in radiation space
Filter can thus effectively reduce the influence between this patent radiating element and its multiplier unit.Using the radiating element
Antenna can make high band and low-frequency range influence to become smaller, so that product has preferable front and back ratio, cross polarization characteristics, level
Surface wave beam width restrains and the good circuit performances such as high-isolation, and ensure that antenna obtains under reduced size can meet at present
Index request of the mobile communication to multifrequency antenna.Simultaneously the radiating element also have it is simple in structure, be easily assembled to, performance is stable and
The advantages that cost is relatively low.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of radiating element with space filtering function, it is characterised in that：It includes two orthogonal oscillators, two couplings
Feed structure and balanced-unbalanced transformer, described two orthogonal oscillators are connect with balanced-unbalanced transformer, and described two
It is respectively equipped with open circuit detail on four radiation arms that a orthogonal oscillator is formed.
2. the radiating element according to claim 1 with space filtering function, it is characterised in that：It is described two orthogonal
The top of oscillator is equipped with and guides piece into, and the shape for guiding piece into is corresponding with two orthogonal oscillator shapes, described to guide piece branch into
Support is on the oscillator.
3. the radiating element according to claim 2 with space filtering function, it is characterised in that：It is described to guide piece and institute into
It is λ 1/40 to state the distance between oscillator, and λ 1 is the corresponding wavelength of background radiation unit center frequency.
4. the radiating element according to claim 1 with space filtering function, it is characterised in that：What the oscillator was formed
The length of radiation arm is λ 1/4, and λ 1 is the corresponding wavelength of background radiation unit center frequency.
5. the radiating element according to claim 1 with space filtering function, it is characterised in that：It is set on the radiation arm
There are two minor matters of opening a way, the length of the open circuit detail is λ 2/4, and λ 2 is the frequency multiplication radiating element wavelength of background radiation unit.
6. the radiating element according to claim 1 with space filtering function, it is characterised in that：It is described two orthogonal
Oscillator is projected as "×" shape structure, " ten " character form structure or " rice " character form structure on its pitching face.
7. the radiating element according to claim 1 with space filtering function, it is characterised in that：The open circuit detail is
" L " shape or T-shape.
8. the radiating element according to claim 1 with space filtering function, it is characterised in that：Described two coupling feedbacks
Electric structure setting is in the center for being separately positioned on two oscillators, and the microstrip line end of the couple feed structure is by one
The open-circuit line of λ 1/4 forms, and λ 1 is the corresponding wavelength of background radiation unit center frequency.
9. a kind of antenna, which is characterized in that it includes at least one radiating element group, and the radiating element group includes a right
It is required that the radiating element and two high frequency radiating elements with space filtering function described in 1 to 8 any one claim, institute
The frequency for stating high frequency radiating element is twice of the radiating element frequency with space filtering function, described to have space filter
The radiating element of wave energy forms a line with high frequency radiating element distribution.
10. antenna according to claim 1, it is characterised in that：The two neighboring radiating element with space filtering function
The distance between be λ 1, the distance between two neighboring high frequency radiating element is λ 1/3, and λ 1, which is this, has space filtering function
The corresponding wavelength of radiating element centre frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342213.0A CN108598677A (en) | 2018-04-17 | 2018-04-17 | A kind of radiating element and antenna with space filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342213.0A CN108598677A (en) | 2018-04-17 | 2018-04-17 | A kind of radiating element and antenna with space filtering function |
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| CN108598677A true CN108598677A (en) | 2018-09-28 |
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| CN201810342213.0A Pending CN108598677A (en) | 2018-04-17 | 2018-04-17 | A kind of radiating element and antenna with space filtering function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687129A (en) * | 2018-12-20 | 2019-04-26 | 杭州电子科技大学 | A kind of filter antenna array |
| CN112216972A (en) * | 2020-10-16 | 2021-01-12 | 摩比天线技术（深圳）有限公司 | Low-frequency radiation unit and base station antenna |
| CN112563729A (en) * | 2020-11-25 | 2021-03-26 | 东莞市振亮精密科技有限公司 | Power distribution network, 5G filter antenna and assembly method of 5G filter antenna |
| CN114788090A (en) * | 2019-12-19 | 2022-07-22 | 华为技术有限公司 | Antenna device and base station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687129A (en) * | 2018-12-20 | 2019-04-26 | 杭州电子科技大学 | A kind of filter antenna array |
| CN114788090A (en) * | 2019-12-19 | 2022-07-22 | 华为技术有限公司 | Antenna device and base station |
| CN112216972A (en) * | 2020-10-16 | 2021-01-12 | 摩比天线技术（深圳）有限公司 | Low-frequency radiation unit and base station antenna |
| CN112563729A (en) * | 2020-11-25 | 2021-03-26 | 东莞市振亮精密科技有限公司 | Power distribution network, 5G filter antenna and assembly method of 5G filter antenna |
| CN112563729B (en) * | 2020-11-25 | 2021-07-27 | 东莞市振亮精密科技有限公司 | Power distribution network, 5G filter antenna and assembly method of 5G filter antenna |
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