CN204271259U - Multiband radiating element and mobile communication antenna - Google Patents
Multiband radiating element and mobile communication antenna Download PDFInfo
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- CN204271259U CN204271259U CN201420313518.6U CN201420313518U CN204271259U CN 204271259 U CN204271259 U CN 204271259U CN 201420313518 U CN201420313518 U CN 201420313518U CN 204271259 U CN204271259 U CN 204271259U
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- filter
- radiating element
- feed
- multiband
- feeder line
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Abstract
The utility model discloses a kind of multiband radiating element, it comprises radiation appliance and feeder equipment, described radiation appliance comprises at least one dipole, each described dipole comprises two doublet units, described feeder equipment comprises to described dipole that it supports and the Ba Lun of balanced feeding signal function, feeder line and filter, wherein, described feeder line is provided with at least two feed ends be conducted, and described feeder line is by described feed end the first filter of series-connected transmission first frequency band signals and the second filter of transmission the second frequency band signals respectively.A kind of mobile communication antenna is also disclosed, wherein, it comprise one or more as described in multiband radiating element.The utility model multiband radiating element and mobile communication antenna simple for structure, design ingenious, the radiating element interport isolation obtained is high, Insertion Loss is little and gain is high.
Description
Technical field
The utility model relates to a kind of mobile communication antenna technology, particularly relates to a kind of multiband radiating element with different feeding classification and the mobile communication antenna be made up of it.
Background technology
Along with the development evolution of wireless communication system, various places operator manages multiple wireless network simultaneously, and different wireless networks has different communication standards, takies different frequency spectrum resources, makes the broadband of antenna, multiband application demand becomes increasingly conspicuous.
As the application for a patent for invention " a kind of multi-band dipole antenna " that application publication number is CN 103187635 A, it discloses and the radiating element of multiple different frequency range is combined on antenna, make dipole antenna have the function of multiband, acceptable signal frequency range is more, range of signal is wider.And for example Authorization Notice No. is that the patent of invention " 3G broad band dual polarization antenna array " of CN 201898199 U uses end syndeton to be connected successively by oscillator end to make antenna be suitable for multiband application.
More than adopt the radiating element of prior art, while the work realizing broadband, if the application of multiple frequency range need be met, mixer can be increased in feed port.As shown in Figure 1, show the structure composition of symmetrical dipole, comprise transmitting or the dipole 01 of receiver radiation signal, the feeder line 02 (usually having the form such as coaxial line, microstrip line) of connecting with described dipole 01, support described dipole 01 and balance the Ba Lun 03 of described dipole 01 electric current, the reflecting plate 04 improving directional radiation properties, the mixer 05 of connecting with described feeder line 02 and the feed port 06 of extending from described mixer.Wherein, connect with described mixer 05 in described feeder line 02 one end, and the other end is arranged for open circuit, makes described dipole 01 to be formed the voltage difference meeting and produce radiation condition; Further, described mixer 05 comprises the filter that two are operated in different frequency range, is respectively filter 051 and filter 052, and it is for merging the broadband signal from radiating element, or for merging the broadband signal being input to radiating element.
Known from the above description, existing multiband radiating element mainly uses two class technological means: (1) combinationally uses multiple radiant body or uses special radiant body shape, makes radiating element meet broadband operation; (2) use mixer to be connected with the feed port of radiating element, for separating of the radiofrequency signal of different frequency range, meet multiband application.
But there is following drawback in prior art:
(1) adopt multiple radiant body or special radiant body shape meeting Enhanced Radiation Reduced Blast cell size, be unfavorable for radiating element Miniaturization Design;
(2) communication system is reduce the interference between frequency range, require that the isolation between frequency range is greater than 30dB, then the frequency Out-of-band rejection of filter must be greater than 30dB, according to filter theory, Out-of-band rejection is relevant with filter order, suppress requirement higher, required exponent number is also more, and corresponding line loss is also larger.After mixer is connected with radiating element, because mixer exists line loss, radiating element gain reduction must be caused.
Utility model content
The purpose of this utility model is, for overcoming the deficiencies in the prior art, by changing the feeding classification of conventional symmetric oscillator, provides a kind of multiband radiating element, and the mobile communication antenna be made up of multiband radiating element described in one or more.
For reaching above technical purpose, the technical solution adopted in the utility model is as follows:
A kind of multiband radiating element, it comprises radiation appliance and feeder equipment, described radiation appliance comprises at least one dipole, each described dipole comprises two doublet units, described feeder equipment comprises and plays support and the Ba Lun of balanced feeding signal function, feeder line and filter to described dipole, wherein, described feeder line is provided with at least two feed ends be conducted, and described feeder line is by described feed end the first filter of series-connected transmission first frequency band signals and the second filter of transmission the second frequency band signals respectively.
This radiating element also comprises the reflecting plate fixed for described radiation appliance and Ba Lun.
The first structure about described feeder line: described feeder line be include two described feed ends integrated component.
The second structure of described feeder line: described feeder line comprises the feed element of two quadrature arrangement, each described feed element has two feed ends be conducted.Described feed element comprises the upright arm of two series connection, and described feed end is arranged on the end points of described upright arm.Further, each described feed element also comprises the linking arm connecting described two upright arms, and each described feed element is one-body molded.
Working frequency range about described filter: the frequency band signals of described first filter is different with the frequency band signals of the second filter.
Type about described filter: described first filter and the second filter are band pass filter.Or described first filter and the second filter are microstripline filter.
Formation about described microstripline filter: described microstripline filter comprises base plate and is arranged in the micro-band impedance matching network on described base plate, described micro-band impedance matching network is provided with the distributing point be connected with the feed end of described feeder line and the feed port inputted for external power source or signal.
Layout about described microstripline filter: described microstripline filter is arranged on described reflecting plate.
Further, a kind of mobile communication antenna, wherein, it comprises one or more multiband radiating element as above described in any one.
Compared with prior art, the utility model has following advantage:
(1) each feeder line of described multiband radiating element is provided with two feed port, signal for different frequency range inputs, reach the object of shared same radiation appliance, avoid and adopt the interconnected or Enhanced Radiation Reduced Blast body size of multiple radiant body, be conducive to radiant body Miniaturization Design.
(2) two described feed port connect the pass filter of different frequency range respectively, have avoided the routine techniques using multiplefrequency mixer, can not cause radiating element gain reduction because of the circuit Insertion Loss of mixer.
(3) because this multiband radiating element is that each feeder line is provided with two feed port, described radiation appliance also owing to encouraging by feeder line can cause the energy in circuit to reduce to external radiation, this is conducive to increasing the isolation between feed port, thus the lower filter of available complexity replaces the radio frequency mixer that uses in routine techniques, under the prerequisite meeting isolation between identical frequency range, the utility model is conducive to the circuit Insertion Loss reducing filter, improves the gain of radiating element.
Accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, broadband radiating unit is connected with mixer.
Fig. 2 is the structural representation of multiband radiating element of the present utility model, shows the filter that feeder line is provided with two feed ends and is attached thereto.
Fig. 3 is the perspective view of multiband radiating element of the present utility model.
Fig. 4 is the perspective view at the multiband radiating element back side of the present utility model, and the structure of microstripline filter is shown.
Fig. 5 is the syndeton schematic perspective view of feed tab and microstripline filter in multiband radiating element of the present utility model, wherein feeder line and microstripline filter is only shown, dotted line represents that microstrip line is arranged on the base plate back side.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 2, multiband radiating element of the present utility model comprises dipole A, feeder line B, Ba Lun C, reflecting plate D and filter E and F, described dipole A forms the radiation appliance of this multiband radiating element, and described feeder line B, Ba Lun C, filter E and filter F form the feeder equipment of this multiband radiating element.Multiband radiating element of the present utility model is compared with prior art (Fig. 1), and difference is: two ends of described feeder line B are equipped with feed end, are respectively feed end B1 and feed end B2; Described filter E is provided with feed port E1 and distributing point E2; Described filter F is provided with feed port F1 and distributing point F2; The feed end B1 of described feeder line B and the distributing point E2 of described filter E is electrically connected, the distributing point F2 of described feed end B2 and filter F is electrically connected, therefore, described filter E and filter F forms cascaded structure with feeder line B respectively, and, described filter E is different with the operating frequency of filter F, thus, the electric current being input to described dipole A by the feed port E1 of this filter E and the feed port F1 of filter F can make this doublet unit A to be formed the CURRENT DISTRIBUTION meeting and produce radiation condition.
Based on the structure shown in Fig. 2, please further refer to typical multiband radiating element three-dimensional structure diagram as shown in Figure 3 and Figure 4.This heterogeneous radiation unit comprises doublet unit 1, feeder line 2, Ba Lun 3, reflecting plate 4 and filter 5 and 6.Wherein said dipole 1 comprises two doublet units (sign), and two described dipoles 1 form coplanar radiating surface with orthogonal manner arrangement, form the radiation appliance (sign) of this heterogeneous radiation unit.Described Ba Lun 3 comprises four sheet supporters and a base plate (sign), one end of described supporter is connected with immediately below described radiation appliance, the other end fixes with described reflecting plate 4 after being connected by described base plate, and described supporter forms the chamber (sign) that can hold described feeder line 2.It should be noted that at this, those skilled in the art should know, and the way of realization of described doublet unit 1 and Ba Lun 3 is not limited only to described herein and structure that is that illustrate.
As shown in Figure 4, the described filter 5 in the present embodiment and filter 6 are microstripline filter, and it is arranged on the back side of described reflecting plate 4.Described filter 5 comprise base plate 7 and be arranged on described base plate 7 by the micro-band impedance matching network of microstrip line by being in series or in parallel to form of different resistivity, the microstrip network 51 namely in figure and microstrip network 52, described microstrip network 51 and 52 symmetrical configuration; Formation and the described filter 5 of described filter 6 are similar, comprise microstrip network 61 and the microstrip network 62 of symmetrical configuration, and this microstrip network 61 and 62 is also arranged on described base plate 7, and namely described filter 5 and filter 6 are together arranged on described base plate 7.On each described microstrip network 51,52,61 and 62, be respectively equipped with feed port (51a, 52a, 61a and 62a) and distributing point (51b, 52b, 61b and 62b).Those skilled in the art should know, and the way of realization of described filter 5 and filter 6 is not limited only to structure described above and illustrated in fig. 4.
Please refer to Fig. 5, two structure feed element (upper feed tab 21 and lower feed tab 22) that are identical, quadrature arrangement form described feeder line 2.Described upper feed tab 21 and lower feed tab 22 encourage two mutually orthogonal dipoles respectively, to produce radiation signal.About the structure of described feed element, for described upper feed tab 21, described upper feed tab 21 comprises two upright arms (sign) and the linking arm (sign) being connected this upright arm, and the end of two described upright arms is respectively the described feed end 211 and 212 be electrically connected with filter.As shown in Figure 5, described feed end 211 is connected with described microstrip network 51, and particularly, described feed end 211 is connected to the distributing point 51b of microstrip network 51; Described feed end 212 is connected with described microstrip network 62, and particularly, described feed end 212 is connected to the distributing point 62b of microstrip network 62, and thus, the filter that same feed tab is different from two operating frequencies is respectively in series.Similarly, described lower feed tab 22 is provided with feed end 221 and 222, and wherein said feed end 221 is connected with microstrip network 52, and described feed end 221 is connected to the distributing point 52b of microstrip network 52; Described feed end 222 is connected with microstrip network 61, and described feed end 222 is connected to the distributing point 61b of microstrip network 61.Those skilled in the art should know, the specific implementation form of described feeder line 2, or described upper feed tab 21 should carry out improving or changing according to the electrical principle communicated with the concrete structure of lower feed tab 22.
One or more multiband radio-frequency radiation unit described in the utility model, is aided with necessity and known feeding network, just forms mobile communication antenna of the present utility model.
In sum, the utility model multiband radiating element and mobile communication antenna simple for structure, design ingenious, the radiating element interport isolation obtained is high, Insertion Loss is little and gain is high.
Above-described embodiment is the utility model preferably execution mode; but be not merely restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be all included within protection range of the present utility model.
Claims (12)
1. a multiband radiating element, it comprises radiation appliance and feeder equipment, described radiation appliance comprises at least one dipole, each described dipole comprises two doublet units, described feeder equipment comprises and plays support and the Ba Lun of balanced feeding signal function, feeder line and filter to described dipole, it is characterized in that: described feeder line is provided with at least two feed ends be conducted, described feeder line is by described feed end the first filter of series-connected transmission first frequency band signals and the second filter of transmission the second frequency band signals respectively.
2. multiband radiating element as claimed in claim 1, is characterized in that: this radiating element also comprises the reflecting plate fixed for described radiation appliance and Ba Lun.
3. multiband radiating element as claimed in claim 1 or 2, is characterized in that: described feeder line is the integrated component including two described feed ends.
4. multiband radiating element as claimed in claim 1 or 2, it is characterized in that: described feeder line comprises the feed element of two quadrature arrangement, each described feed element has two feed ends be conducted.
5. multiband radiating element as claimed in claim 4, is characterized in that: described feed element comprises the upright arm of two series connection, and described feed end is arranged on the end points of described upright arm.
6. multiband radiating element as claimed in claim 5, is characterized in that: each described feed element also comprises the linking arm connecting described two upright arms, and each described feed element is one-body molded.
7. multiband radiating element as claimed in claim 1 or 2, is characterized in that: the frequency band signals of described first filter is different with the frequency band signals of the second filter.
8. multiband radiating element as claimed in claim 7, is characterized in that: described first filter and the second filter are band pass filter.
9. multiband radiating element as claimed in claim 7, is characterized in that: described first filter and the second filter are microstripline filter.
10. multiband radiating element as claimed in claim 9, it is characterized in that: described microstripline filter comprises base plate and is arranged in the micro-band impedance matching network on described base plate, described micro-band impedance matching network is provided with the distributing point be connected with the feed end of described feeder line and the feed port inputted for external power source or signal.
11. multiband radiating elements as claimed in claim 10, is characterized in that: described microstripline filter is arranged on reflecting plate.
12. 1 kinds of mobile communication antennas, is characterized in that: it comprises one or more multiband radiating element as described in claim 1 ~ 11 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313518.6U CN204271259U (en) | 2014-06-12 | 2014-06-12 | Multiband radiating element and mobile communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313518.6U CN204271259U (en) | 2014-06-12 | 2014-06-12 | Multiband radiating element and mobile communication antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271259U true CN204271259U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420313518.6U Withdrawn - After Issue CN204271259U (en) | 2014-06-12 | 2014-06-12 | Multiband radiating element and mobile communication antenna |
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| CN (1) | CN204271259U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064867A (en) * | 2014-06-12 | 2014-09-24 | 京信通信技术(广州)有限公司 | Multi-band radiation unit and mobile communication antenna |
| EP3104455A1 (en) * | 2015-06-11 | 2016-12-14 | Kathrein Werke KG | Dipole-shaped radiator assembly |
| WO2016198232A1 (en) * | 2015-06-11 | 2016-12-15 | Kathrein-Werke Kg | Dipole-shaped antenna arrangement |
| CN113555677A (en) * | 2017-11-28 | 2021-10-26 | 华为技术有限公司 | Feed system, antenna system and base station |
-
2014
- 2014-06-12 CN CN201420313518.6U patent/CN204271259U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064867A (en) * | 2014-06-12 | 2014-09-24 | 京信通信技术(广州)有限公司 | Multi-band radiation unit and mobile communication antenna |
| CN104064867B (en) * | 2014-06-12 | 2016-10-05 | 京信通信技术(广州)有限公司 | Multiband radiating element and mobile communication antenna |
| EP3104455A1 (en) * | 2015-06-11 | 2016-12-14 | Kathrein Werke KG | Dipole-shaped radiator assembly |
| WO2016198232A1 (en) * | 2015-06-11 | 2016-12-15 | Kathrein-Werke Kg | Dipole-shaped antenna arrangement |
| CN106299686A (en) * | 2015-06-11 | 2017-01-04 | 凯瑟雷恩工厂两合公司 | The irradiator arrangement system of dipole shape |
| US9923276B2 (en) | 2015-06-11 | 2018-03-20 | Kathrein-Werke Kg | Dipole type radiator arrangement |
| CN106299686B (en) * | 2015-06-11 | 2019-03-29 | 凯瑟雷恩欧洲股份公司 | The radiator arrangement system of dipole shape |
| CN113555677A (en) * | 2017-11-28 | 2021-10-26 | 华为技术有限公司 | Feed system, antenna system and base station |
| CN113555677B (en) * | 2017-11-28 | 2022-10-28 | 华为技术有限公司 | Feed system, antenna system and base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |