CN107257018A - Low frequency radiating element and the multifrequency antenna with the low frequency radiating element - Google Patents
Low frequency radiating element and the multifrequency antenna with the low frequency radiating element Download PDFInfo
- Publication number
- CN107257018A CN107257018A CN201710419572.7A CN201710419572A CN107257018A CN 107257018 A CN107257018 A CN 107257018A CN 201710419572 A CN201710419572 A CN 201710419572A CN 107257018 A CN107257018 A CN 107257018A
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- China
- Prior art keywords
- radiating element
- frequency radiating
- low frequency
- hole groove
- long
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Classifications
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- 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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- 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
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device
- H01Q5/47—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device with a coaxial arrangement of the feeds
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Abstract
The present invention relates to a kind of low frequency radiating element and the multifrequency antenna with the low frequency radiating element, belong to the technical field of antenna of mobile communication base station technology.The low frequency radiating element of the present invention, including orthogonal four radiation arms, two filtering minor matters are each formed with each radiation arm, each filtering minor matters include the long through-hole groove extended along the length direction of radiation arm, and it is arranged on the short through-hole groove of an end of long through-hole groove, short through-hole groove is vertical with long through-hole groove and short through-hole groove stretches out along the width of radiation arm.The low frequency radiating element of the present invention, with good electric property and radiance, can reduce interference of the low frequency radiating element in multifrequency antenna array to high frequency radiating element with filtering minor matters, effective to improve antenna house radiance index；And preparation technology is relatively simple, with preferable market application foreground.
Description
Technical field
The present invention relates to the technical field of antenna of mobile communication base station technology, it is more particularly related to a kind of low
Radio-frequency radiation unit and the multifrequency antenna with the low frequency radiating element.
Background technology
With the development of mobile communication technology, Modern Communication System is to the indices of antenna for base station, particularly gain, band
Higher and higher requirement is proposed in terms of wide characteristic, space mutual coupling, processing technology.And it is current, include the wideband multiterminal of multifrequency
Mouth antenna for base station turns into the development trend of communication system.Broadband, the electric property of multi-port antenna enjoy operator in recent years
With equipment vendor's concern.
Multifrequency antenna refers in same antenna array comprising multiple antennas for being operable with different frequency range.In limited peace
The antenna of the multiple different frequency ranges of spatial arrangement is filled often due to stronger electromagnetic coupled causes the electric property of each array, such as level
Beam angle, voltage standing wave ratio etc. are significantly reduced.In the prior art, the electrical resistance of high frequency or low frequency is generally only individually considered
Can, debugged in actual use, following several implementations are mainly used at present：The first, regulation low-and high-frequency unit it
Between spacing；Second, using in harness array format；The third, raises high frequency unit；Open circuit minor matters etc. are set, but adopted
Often it is difficult to solve multifrequency mutual coupling and wideband mutual coupling with above-mentioned means.
The content of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of low frequency radiating element
And the multifrequency antenna with the low frequency radiating element.
In order to solve the technical problem described in invention and realize goal of the invention, the first aspect of the present invention employs following skill
Art scheme：
A kind of low frequency radiating element, including orthogonal four radiation arms, it is characterised in that：In each radiation arm
Two filtering minor matters are each formed with, each filtering minor matters include the long through-hole extended along the length direction of the radiation arm
Groove, and the short through-hole groove of an end of the long through-hole groove is arranged on, the short through-hole groove is vertical with the long through-hole groove
And width of the short through-hole groove along the radiation arm stretches out.
Wherein, it is formed with wave structure on the side wall of the long through-hole groove.
Wherein, the length of the long through-hole groove is 5~50 times, preferably 8~30 times of the short through hole slot length.
Wherein, the two filtering minor matters are parallel to each other.
Wherein, every long through-hole groove is divided into two cross-talk through-hole grooves, and the two cross-talks through-hole groove is not connected and mutual
Short through-hole groove is provided with remote two ends.
Wherein, the radiation arm is made up of sheet metal.The sheet metal is made by copper, aluminium, copper alloy or aluminium alloy etc.
Into.
Wherein, the radiation arm is by PTFE plates, and is coated on the metal foil composition of the PTFE plate surfaces, and described
The a plurality of hole parallel to the PTFE plates length direction is formed with PTFE plates.
The second aspect of the present invention further relates to a kind of multifrequency antenna, and the multifrequency antenna includes above-mentioned low frequency radiation list
Member, high frequency radiating element and reflecting plate；And the low frequency radiating element is fixed side by side with high frequency radiating element by same axis
On the reflecting plate.
Wherein, the working frequency of the low frequency radiating element is 790~960MHz, the work frequency of the high frequency radiating element
Rate is 1710~2170MHz.
Compared with immediate prior art, multifrequency antenna array of the present invention has the advantages that：
The low frequency radiating element of the present invention, with good electric property and radiance, can subtract with filtering minor matters
Interference of the low frequency radiating element to high frequency radiating element in small multifrequency antenna array, the effective antenna house radiance that improves refers to
Mark；And preparation technology is relatively simple, with preferable market application foreground.
Brief description of the drawings
Fig. 1 is a kind of structural representation of low frequency radiating element of the present invention.
Fig. 2 is the dimensional structure diagram of the multifrequency antenna with the low frequency radiating element shown in Fig. 1.
Fig. 3 is the radiation direction analogous diagram of the multifrequency antenna with low frequency radiating element as shown in Figure 1.
Fig. 4 is the voltage standing wave ratio analogous diagram of the multifrequency antenna with low frequency radiating element as shown in Figure 1.
Fig. 5 is the structural representation of low frequency radiating element conventional in the prior art.
Fig. 6 is the radiation direction analogous diagram of the multifrequency antenna with low frequency radiating element as shown in Figure 5.
Fig. 7 is the voltage standing wave ratio analogous diagram of the multifrequency antenna with low frequency radiating element as shown in Figure 5.
Fig. 8 is the structural representation of another low frequency radiating element of the present invention.
Embodiment
Multifrequency antenna array of the present invention is further elaborated below with reference to specific embodiment, to this
The technical scheme of invention makes more complete and clear explanation.
Embodiment 1
In order to reduce influence of the low frequency radiating element to the space mutual coupling of high frequency radiating element, the present embodiment in multifrequency antenna
A kind of low frequency radiating element is designed and developed.As shown in figure 1, the low frequency radiating element of the present embodiment includes orthogonal four
Two filtering being parallel to each other minor matters are each formed with radiation arm, each radiation arm.Specifically it is described it is each filtering minor matters bag
Include along the radiation arm length direction extension long through-hole groove, and be arranged on the long through-hole groove an end it is short
Through-hole groove, the width that the short through-hole groove is vertical with the long through-hole groove and the short through-hole groove is along the radiation arm
Stretch out, and wave structure is formed with the side wall of the long through-hole groove, the length of the long through-hole groove is described short
5~50 times of through hole slot length, generally 8~20 times.The radiation arm is made up of thickness of 5mm aluminium sheet, and filter therein
Ripple minor matters can be formed by linear cutter.Multifrequency antenna shown in Fig. 2 includes low frequency radiating element as shown in Figure 1.Specifically
For, the multifrequency antenna includes the above-mentioned low frequency radiating element 20 for having and filtering minor matters 21, high frequency radiating element 30 and reflection
Plate 10；And the low frequency radiating element is fixed on the reflecting plate side by side with high frequency radiating element by same axis.It is described
The working frequency of low frequency radiating element is 790~960MHz, the working frequency of the high frequency radiating element for 1710~
2170MHz.Fig. 3 shows the radiation direction analogous diagram of the multifrequency antenna of the present embodiment, and Fig. 4 shows the multifrequency day of the present embodiment
The voltage standing wave ratio analogous diagram of line.
Comparative example 1
As shown in figure 5, be low frequency radiating element conventional in the prior art, it includes orthogonal four radiation arms,
Radiation arm is solid construction.The radiation arm is made up of thickness of 5mm aluminium sheet.By the low frequency radiating element, high frequency radiation list
Member and reflecting plate are assembled into multifrequency antenna；Specifically the low frequency radiating element presses same axis side by side with high frequency radiating element
It is fixed on the reflecting plate.The working frequency of the low frequency radiating element is 790~960MHz, the high frequency radiating element
Working frequency is 1710~2170MHz.Fig. 6 shows the radiation direction analogous diagram of the multifrequency antenna of the present embodiment, and Fig. 7 is shown
The voltage standing wave ratio analogous diagram of the multifrequency antenna of the present embodiment.
Embodiment 2
In order to reduce influence of the low frequency radiating element to the space mutual coupling of high frequency radiating element, the present embodiment in multifrequency antenna
Devise another low frequency radiating element.As shown in figure 8, the low frequency radiating element of the present embodiment includes orthogonal four spokes
Penetrate and two filtering being parallel to each other minor matters are each formed with arm, each radiation arm.Specifically each filtering minor matters include
The long through-hole groove extended along the length direction of the radiation arm, and be arranged on the long through-hole groove an end it is short logical
Hole slot, the width that the short through-hole groove is vertical with the long through-hole groove and the short through-hole groove is along the radiation arm to
Outer extension.And every long through-hole groove is divided into two cross-talk through-hole grooves, the two cross-talks through-hole groove is not connected and mutually remote
From two ends on be provided with short through-hole groove.The length of the sub-through hole groove is 5~10 times of the short through hole slot length.The spoke
Arm is penetrated to be made up of 5mm aluminium sheet of thickness, and filtering minor matters therein can be formed by linear cutter.By the low frequency radiation list
Member, high frequency radiating element and reflecting plate are assembled into multifrequency antenna；The specifically low frequency radiating element and high frequency radiating element
It is fixed on side by side on the reflecting plate by same axis.The working frequency of the low frequency radiating element is 790~960MHz, described
The working frequency of high frequency radiating element is 1710~2170MHz.
Embodiment 3
With the low frequency radiating element of embodiment 1, difference is to make radiation arm, specifically this implementation using composite
The radiation arm that uses of example is by PTFE plate of the thickness for 4mm, and is coated on the aluminium foil of the PTFE plate surfaces upper and lower surface and constitutes,
The thickness of aluminium foil is 0.5mm.The a plurality of hole parallel to the PTFE plates length direction is formed with the PTFE plates, the hole
A diameter of 0.2mm.By the low frequency radiating element, high frequency radiating element and reflecting plate are assembled into multifrequency antenna；It is specifically described
Low frequency radiating element is fixed on the reflecting plate side by side with high frequency radiating element by same axis.The low frequency radiating element
Working frequency is 790~960MHz, and the working frequency of the high frequency radiating element is 1710~2170MHz.By using band logical
The corresponding filtering minor matters of radiation arm and cooperation that the PTFE plates in hole are prepared as substrate, can further reduce high frequency wave beam
Width.
Embodiment 4
With the low frequency radiating element of embodiment 2, difference is to make radiation arm, specifically this implementation using composite
The radiation arm that uses of example is by PTFE plate of the thickness for 4mm, and is coated on the aluminium foil of the PTFE plate surfaces upper and lower surface and constitutes,
The thickness of aluminium foil is 0.5mm.The a plurality of hole parallel to the PTFE plates length direction is formed with the PTFE plates, the hole
A diameter of 0.2mm.By the low frequency radiating element, high frequency radiating element and reflecting plate are assembled into multifrequency antenna；It is specifically described
Low frequency radiating element is fixed on the reflecting plate side by side with high frequency radiating element by same axis.The low frequency radiating element
Working frequency is 790~960MHz, and the working frequency of the high frequency radiating element is 1710~2170MHz.By using band logical
The corresponding filtering minor matters of radiation arm and cooperation that the PTFE plates in hole are prepared as substrate, can further reduce high frequency wave beam
Width.
Its high frequency standing-wave ratio and high frequency are measured to the multifrequency antenna progress analog simulation of embodiment 1~4 and comparative example 1
Beam angle (°), as a result as shown in table 1.
Table 1
| High frequency standing-wave ratio | High frequency beam angle (°) | |
| Comparative example 1 | 1.44 | 52.2~73.9 |
| Embodiment 1 | 1.32 | 58.1~66.2 |
| Embodiment 2 | 1.35 | 59.0~66.3 |
| Embodiment 3 | 1.30 | 60.1~64.9 |
| Embodiment 4 | 1.31 | 60.8~64.2 |
For the ordinary skill in the art, simply the present invention is exemplarily described for specific embodiment,
The present invention, which is implemented, to be not subject to the restrictions described above, as long as the various insubstantial that the technical concept for employing the present invention is carried out
Property improvement, or the not improved technical concept by the present invention directly applies to other occasions, will in the right of the present invention
Ask within scope protection.
Claims (10)
1. a kind of low frequency radiating element, including orthogonal four radiation arms, it is characterised in that：In each radiation arm
Two filtering minor matters are formed with, each filtering minor matters include the long through-hole extended along the length direction of the radiation arm
Groove, and the short through-hole groove of an end of the long through-hole groove is arranged on, the short through-hole groove is vertical with the long through-hole groove
And width of the short through-hole groove along the radiation arm stretches out.
2. low frequency radiating element according to claim 1, it is characterised in that：Ripple is formed with the side wall of the long through-hole groove
Striated structure.
3. low frequency radiating element according to claim 1, it is characterised in that：The length of the long through-hole groove is described short logical
5~50 times of hole slot length.
4. low frequency radiating element according to claim 1, it is characterised in that：The two filtering minor matters are parallel to each other.
5. low frequency radiating element according to claim 1, it is characterised in that：Every long through-hole groove is divided into two cross-talks and led to
Hole slot, the two cross-talks through-hole groove does not connect and short through-hole groove is provided with the two ends being located remotely from each other.
6. low frequency radiating element according to claim 1, it is characterised in that：The radiation arm is made up of sheet metal.
7. low frequency radiating element according to claim 6, it is characterised in that：The sheet metal by copper, aluminium, copper alloy or
Aluminium alloy is made.
8. low frequency radiating element according to claim 1, it is characterised in that：The radiation arm is by PTFE plates, and cladding
Constitute, and be formed with the PTFE plates a plurality of parallel to the PTFE plates length side in the metal foil of the PTFE plate surfaces
To hole.
9. a kind of multifrequency antenna, the multifrequency antenna includes low frequency radiating element, high frequency radiating element and reflecting plate；The low frequency
Radiating element is fixed on the reflecting plate side by side with high frequency radiating element by same axis, it is characterised in that：The low frequency spoke
Unit is penetrated selected from the low frequency radiating element described in any one of claim 1~8.
10. multifrequency antenna according to claim 9, it is characterised in that：The working frequency of the low frequency radiating element is 790
~960MHz, the working frequency of the high frequency radiating element is 1710~2170MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710419572.7A CN107257018B (en) | 2017-06-06 | 2017-06-06 | Low frequency radiating element and multifrequency antenna with the low frequency radiating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710419572.7A CN107257018B (en) | 2017-06-06 | 2017-06-06 | Low frequency radiating element and multifrequency antenna with the low frequency radiating element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107257018A true CN107257018A (en) | 2017-10-17 |
| CN107257018B CN107257018B (en) | 2018-08-14 |
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ID=60024528
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710419572.7A Active CN107257018B (en) | 2017-06-06 | 2017-06-06 | Low frequency radiating element and multifrequency antenna with the low frequency radiating element |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598677A (en) * | 2018-04-17 | 2018-09-28 | 昆山恩电开通信设备有限公司 | A kind of radiating element and antenna with space filtering function |
| CN108666749A (en) * | 2018-02-11 | 2018-10-16 | 康凯科技（杭州）股份有限公司 | A kind of antenna element and mimo antenna system |
| CN112164869A (en) * | 2020-09-25 | 2021-01-01 | 京信通信技术(广州)有限公司 | Antenna, low-frequency radiation unit and radiation arm |
| CN112186333A (en) * | 2020-09-29 | 2021-01-05 | 华南理工大学 | Base station antenna, radiation unit and radiation arm |
| CN112490651A (en) * | 2020-11-12 | 2021-03-12 | 杭州电子科技大学 | Multi-band base station scattering suppression antenna |
| CN113922049A (en) * | 2021-10-18 | 2022-01-11 | 华南理工大学 | Dual-frequency dual-polarization common-caliber base station antenna and communication equipment |
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| CN202076403U (en) * | 2011-05-16 | 2011-12-14 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator of loading filter |
| CN103427151A (en) * | 2012-05-22 | 2013-12-04 | 深圳国人通信有限公司 | Dual-polarization antenna and radiating element thereof |
| CN104798257A (en) * | 2012-11-30 | 2015-07-22 | 株式会社Kmw | Antenna for mobile-communication base station |
| CN106025523A (en) * | 2016-08-09 | 2016-10-12 | 武汉虹信通信技术有限责任公司 | Radiating element of cross structure and antenna array thereof |
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| CN102280701A (en) * | 2011-05-10 | 2011-12-14 | 北京航空航天大学 | Circularly polarized micro-strip antenna adopting wave-shaped groove structure |
| CN202076403U (en) * | 2011-05-16 | 2011-12-14 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator of loading filter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666749A (en) * | 2018-02-11 | 2018-10-16 | 康凯科技（杭州）股份有限公司 | A kind of antenna element and mimo antenna system |
| CN108598677A (en) * | 2018-04-17 | 2018-09-28 | 昆山恩电开通信设备有限公司 | A kind of radiating element and antenna with space filtering function |
| CN112164869A (en) * | 2020-09-25 | 2021-01-01 | 京信通信技术(广州)有限公司 | Antenna, low-frequency radiation unit and radiation arm |
| CN112164869B (en) * | 2020-09-25 | 2021-09-24 | 京信通信技术(广州)有限公司 | Antenna, low-frequency radiation unit and radiation arm |
| WO2022062241A1 (en) * | 2020-09-25 | 2022-03-31 | 京信通信技术(广州)有限公司 | Antenna, low-frequency radiation unit, and radiation arm |
| CN112186333A (en) * | 2020-09-29 | 2021-01-05 | 华南理工大学 | Base station antenna, radiation unit and radiation arm |
| CN112490651A (en) * | 2020-11-12 | 2021-03-12 | 杭州电子科技大学 | Multi-band base station scattering suppression antenna |
| CN113922049A (en) * | 2021-10-18 | 2022-01-11 | 华南理工大学 | Dual-frequency dual-polarization common-caliber base station antenna and communication equipment |
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| Publication number | Publication date |
|---|---|
| CN107257018B (en) | 2018-08-14 |
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