CN207624912U - A kind of double frequency dipole antenna and micro-base station - Google Patents
A kind of double frequency dipole antenna and micro-base station Download PDFInfo
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- CN207624912U CN207624912U CN201721925442.2U CN201721925442U CN207624912U CN 207624912 U CN207624912 U CN 207624912U CN 201721925442 U CN201721925442 U CN 201721925442U CN 207624912 U CN207624912 U CN 207624912U
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- dipole
- dipole antenna
- double frequency
- medium substrate
- frequency
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Abstract
A kind of micro-base station of the utility model offer and its double frequency dipole antenna.Wherein, the double frequency dipole antenna includes reflecting plate, dipole antenna unit, matching network and CA cable assembly, the dipole antenna unit includes medium substrate, upper and lower parallel arrangement and has with gap set on positive first dipole of medium substrate and the second dipole, set on the feed Balun of medium substrate reverse side, the feed Balun pair the first, second dipole corporated feed.The double frequency dipole antenna configuration of the utility model is ingenious, small, of low cost, and mutual coupling is small, isolation is high, circuit characteristic is good.Since its size is small, it is easy to and mating, the using flexible in micro- station, saving space.
Description
Technical field
The utility model is related to wireless communication technology field more particularly to a kind of double frequency dipole antenna and use the double frequency
The micro-base station of dipole antenna.
Background technology
Mobile communication technology is fast-developing, and the 4G epoch are increasingly becoming operation already close to coda, depth covering, the network optimization
There are unique advantage in the emphasis of quotient's next step, small base station in this field, even more indispensable therefore micro- for the following 5G high frequencies cloth station
The demand of station will welcome rapid growth, and the demand of micro- station antenna will also greatly increase.
Key component of micro- station antenna as micro-base station system acts on most important, property of the performance to whole system
There can be direct influence.Size, polarization characteristic, pattern characteristics of antenna etc. are all very important index, the ruler of micro-base station
Very little requirement wants sufficiently small, will certainly influence circuit and radiation index, such as isolation, gain in this way.Dipole antenna is with its body
Product is small, light-weight, easy to process, at low cost, is widely used in mobile communication system convenient for many merits such as integrated and group battle arrays
In, therefore it is small to design size, bandwidth, electrical specifications and the good micro- station antenna of directional diagram index, is current micro- station antenna
Major design direction.
Utility model content
The primary and foremost purpose of the utility model is intended to provide the small double frequency dipole antenna of a kind of bandwidth, size.
The another object of the utility model is to provide a kind of micro-base station using above-mentioned double frequency dipole antenna.
To achieve the goals above, the utility model provides following technical scheme：
A kind of double frequency dipole antenna, including reflecting plate, the dipole antenna unit for being erected in the reflecting plate, the idol
Pole sub-antenna unit includes medium substrate and the dipole for being divided into the medium substrate tow sides and is used to feed with outside
Network connection and the feed Balun fed for the dipole；The dipole includes the first dipole for working in the first frequency range
With the second dipole for working in the second frequency range, and the radiation arm of first dipole and the second dipole it is parallel and with tool
There is the mode in gap to arrange up and down, wherein the frequency of first frequency range is less than the frequency of second frequency range；The feed bar
Human relations include longitudinal portion and the transverse part that is connect with the longitudinal direction portion, and the transverse part is located in the positive projection of the medium substrate
In the gap.
Further, the transverse part includes the first current feed department of the radiation arm close to the first dipole and close second idol
Extremely the second current feed department of sub radiation arm, and first current feed department and the second current feed department are connected with each other.
Preferably, in the middle part of the transverse part first feed is convexed to form towards the radiation arm of first dipole
Portion.
Preferably, the radiation arm of first dipole offers the notch for improving impedance operator.
Further, the double frequency dipole antenna further includes being set to be used in combination between the reflecting plate and the medium substrate
In the matching network plate of optimization electric property.
Preferably, the matching network plate is dielectric-slab, and upper surface is equipped with ground area, and the dipole connects with described
Ground region is in electrical contact.
Preferably, the matching network plate offers the gap to match with the medium substrate bottom end, the medium base
Plate is inserted in the gap.
Preferably, there are two the dipole antenna unit is set, two dipole antenna units work in phase respectively
Mutually two orthogonal polarization directions, and its medium substrate is arranged in cross.
Preferably, the dielectric constant of the medium substrate is between 2.0~5.0.
In addition, a kind of micro-base station is further related to, above-mentioned double frequency dipole antenna.
Further, the double frequency dipole antenna is equipped with multiple, and multiple double frequency dipole antennas are total with array
Reflecting plate is arranged.
Compared with prior art, the embodiment of the utility model has the following advantages：
In the double frequency dipole antenna of the utility model, radiating element and feed Balun are divided into the two of high frequency laminate
Face, and as radiating element and work in the first dipole of two different frequency ranges and the second dipole is coplanar with, structure
It is ingenious and beautiful, size is small, isolation is high, and antenna performance is good.Wherein, dipole antenna unit can be used alone, can two it is secondary altogether
Dual polarized antenna is served as with use, can also multiple groups of battle arrays meet and cover needs, to sum up, its using flexible, can meet various
Use demand.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the stereogram of the double frequency dipole antenna of the utility model；
Fig. 2 is the stereogram of another angle of double frequency dipole antenna shown in FIG. 1；
Fig. 3 is the front schematic view of the dipole antenna unit of the double frequency dipole antenna of the utility model；
Fig. 4 is the reverse side schematic diagram of the dipole antenna unit of the double frequency dipole antenna of the utility model；
Fig. 5 is voltage standing wave ratio simulation curve figure of the antenna described in Fig. 1 in 2.3-2.5GHz frequency bands；
Fig. 6 is isolation simulation curve figure of the antenna described in Fig. 1 in 2.3-2.5GHz frequency bands；
Fig. 7 is voltage standing wave ratio simulation curve figure of the antenna described in Fig. 1 in 5.0-6.0GHz frequency bands；
Fig. 8 is isolation simulation curve figure of the antenna described in Fig. 1 in 5.0-6.0GHz frequency bands；
Fig. 9 is antenna described in Fig. 1 in 2.4GHz horizontal plane simulation curve figures；
Figure 10 is antenna described in Fig. 1 in 2.4GHz vertical plane simulation curve figures；
Figure 11 is antenna described in Fig. 1 in 5.8GHz horizontal plane simulation curve figures；
Figure 12 is antenna described in Fig. 1 in 5.8GHz vertical plane simulation curve figures
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
Double frequency dipole antenna provided by the utility model is suitable for the transmitting of two frequency band signals of 2.4GHz＆5.8GHz
And reception, integrating for two frequency ranges of realization can be used in micro-base station to realize the high-speed data communication of micro- station antenna system.
Referring to Fig. 1 to Fig. 4, double frequency dipole antenna 100 provided by the utility model includes two secondary dipole antenna units
It (1,1 '), the reflecting plate 2 as antenna reflector, the matching network (non-label, similarly hereinafter) for optimizing antenna performance and is used for
The CA cable assembly 4 that access external electric signal feeds the dipole antenna unit (1,1 ').Wherein, the two secondary dipole day
Line unit (1,1 ') works in two mutually orthogonal polarization directions, correspondingly, the two secondary dipole antenna units (1,1 ')
In mutually nested fixation crosswise.
The dipole antenna unit (1,1 ') includes working in the first dipole 111 of the first frequency range and working in second
Second dipole 112 of frequency range, wherein the frequency of first frequency range is less than the frequency of second frequency range, i.e. the first frequency range
For 2.4GHz frequency ranges, the second frequency range is 5.8GHz frequency ranges.
Preferably, the dipole antenna unit (1,1 ') is printed dipole antenna unit (1,1 '), including using high
The medium substrate 10 and 10 tow sides of the medium substrate are respectively formed in using etching or printing technology that frequency dielectric-slab makes
Dipole 11 and for the feed Balun (12,12 ') for 11 couple feed of the dipole.
Preferably, the dielectric constant of the medium substrate 10 is between 2.0~5.0.Preferably, the dielectric constant is
2.65,3.0 or 4.4.
Wherein, the radiation arm of first dipole 111 and second dipole 112 with gap (non-label, under
Parallel arrangement above and below mode together) forms the pattern of axisymmetric bis- " F " types.
The feed Balun (12,12 ') includes longitudinal portion 121 and the transverse part 122 that is connect with the longitudinal direction portion 121, institute
Transverse part 122 is stated in the positive projection of the medium substrate 10 to be located in the gap.The longitudinal direction portion 121 and the cable group
Part 4 connects, and the transverse part 122 feeds first dipole, 111 and second dipole 112 respectively.
The double frequency dipole antenna 100 of the utility model, by the way that the corresponding dipole of two frequency ranges 11 is integrated,
Upper and lower coplanar arrangement, ingehious design are conducive to reduce antenna size, realize miniaturization, and reduce design and producing cost.
It is simple in structure since the double frequency dipole antenna is printed antenna, it is light, it is conducive to Project Realization, saves engineering resource.
In the present embodiment, two secondary dipole antenna unit (1,1 ') of the setting of double frequency dipole antenna 100 has been come
At the reception and transmitting of two cross polarization direction signals, that is, constitute dual polarized antenna.In other embodiments, the double frequency
A pair also can be only arranged to complete the reception and transmitting of signal in dipole antenna unit (1,1 ').In addition, the utility model is double
11 antenna of frequency dipole can be used alone, and also can be used as array element forming array to use.
Further, the transverse part 122 includes in the first current feed department 1221 and second for interlocking up and down and being connected with each other
Current feed department 1222, wherein first current feed department 1221 is arranged close to first dipole 111, second current feed department
1222 are arranged close to second dipole 112, to correspond to first dipole, 111 and second dipole 112 feed,
And then reduce the mutual coupling between the dipole 11 of two frequency ranges, improve isolation.
Preferably, the middle part of the transverse part 122 convexes to form first current feed department towards first dipole 111
1221.In other words, the transverse part 122 is substantially trapezoidal.
Further, first dipole 111 opens up jagged 1111, to improve antenna impedance characteristic.Preferably,
The notch 1111 is opened in first dipole 111 close to the position of dipole antenna unit (the 1,1 ') symmetry axis
Place, and it is located at 111 top of the first dipole.Preferably, the notch 1111 is rectangular, arc-shaped or other shapes.
Preferably, the matching network is set on a matching network plate 3, and the matching network plate 3 is located at the dipole
Between the medium substrate 10 and the reflecting plate 2 of antenna element (1,1 ').
The matching network plate 3 is the single-layer medium plate for being fixed on the reflecting plate, and upper surface is equipped with ground area, and
And the single-layer medium plate offers the cross gap to match with two pieces of 10 bottom ends of the medium substrate.Two pieces of medium bases
Plate 10 is in be inserted in crosswise in the cross gap, and the dipole 11 contacts with each other with the ground area,
Thus complete the fixation of dipole antenna unit (1,1 ') and its be electrically connected with matching network, to realize to frequency bandwidth,
The optimization of the performances such as directional diagram.
It should be appreciated that when dipole antenna unit (1,1 ') is only arranged one, it is arranged on the matching network plate
" one " word gap, for installing the medium substrate 10.
The electrical simulation figure of 11 antenna of double frequency dipole of the utility model, can be with from analogous diagram as shown in Fig. 5 to Figure 12
Know, 11 antenna of double frequency dipole is preferable in the performance indicator of above-mentioned two frequency range, can meet the high speed of micro- station antenna system
Data communicate, and reliable resource is provided for the development in 5G epoch.
In addition, the utility model also provides a kind of micro-base station, above-mentioned double frequency dipole antenna is used.Also, preferably,
At least one array is arranged in the micro-base station antenna, and each array is made of multiple double frequency dipoles for reflecting plate setting.
For the micro-base station due to using double frequency dipole antenna 100, antenna volume is small, is easy to match with micro-base station other component
It closes and uses, be conducive to Project Realization, and save space resources.Therefore, the micro-base station is small, economizes on resources, and performance compared with
It is good, the signal covering demand in 5G epoch can be met.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (11)
1. a kind of double frequency dipole antenna, including reflecting plate, the dipole antenna unit for being erected in the reflecting plate, the dipole
Sub-antenna unit includes medium substrate and the dipole for being divided into the medium substrate tow sides and is used to be the dipole
The feed Balun of feed, which is characterized in that the dipole includes working in the first dipole of the first frequency range and working in the
Second dipole of two frequency ranges, and the radiation arm of first dipole and the second dipole is with side parallel and with gap
Formula is arranged up and down, wherein the frequency of first frequency range is less than the frequency of second frequency range；
The feed Balun includes longitudinal portion and the transverse part that is connect with the longitudinal direction portion, and the transverse part is in the medium substrate
Positive projection is located in the gap.
2. double frequency dipole antenna according to claim 1, which is characterized in that the transverse part includes close to the first dipole
Second current feed department of the radiation arm of the first current feed department of the radiation arm of son and close second dipole, and first current feed department
It is connected with each other with the second current feed department.
3. double frequency dipole antenna according to claim 2, which is characterized in that towards described first in the middle part of the transverse part
The radiation arm of dipole convexes to form first current feed department.
4. double frequency dipole antenna according to claim 1, which is characterized in that the radiation arm of first dipole opens up
It is useful for improving the notch of impedance operator.
5. double frequency dipole antenna according to claim 1, which is characterized in that further include be set to the reflecting plate with it is described
Matching network plate between medium substrate, the matching network plate are equipped with the matching network for optimizing electric property.
6. double frequency dipole antenna according to claim 5, which is characterized in that the matching network plate is dielectric-slab,
Upper surface is equipped with ground area, and the dipole is in electrical contact with the ground area.
7. double frequency dipole antenna according to claim 5, which is characterized in that the matching network plate offer with it is described
The gap that medium substrate bottom end matches, the medium substrate are inserted in the gap.
8. double frequency dipole antenna as claimed in any of claims 1 to 7, which is characterized in that the dipole day
There are two line unit is set, two dipole antenna units work in two mutually orthogonal polarization directions, and its respectively
Medium substrate is arranged in cross.
9. double frequency dipole antenna as claimed in any of claims 1 to 7, which is characterized in that the medium substrate
Dielectric constant between 2.0~5.0.
10. a kind of micro-base station, which is characterized in that including the double frequency dipole antenna described in any one of claim 1 to 9.
11. micro-base station according to claim 10, which is characterized in that the double frequency dipole antenna be equipped with it is multiple, it is multiple
The double frequency dipole antenna is total to reflecting plate setting with array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925442.2U CN207624912U (en) | 2017-12-28 | 2017-12-28 | A kind of double frequency dipole antenna and micro-base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925442.2U CN207624912U (en) | 2017-12-28 | 2017-12-28 | A kind of double frequency dipole antenna and micro-base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624912U true CN207624912U (en) | 2018-07-17 |
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ID=62831005
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721925442.2U Expired - Fee Related CN207624912U (en) | 2017-12-28 | 2017-12-28 | A kind of double frequency dipole antenna and micro-base station |
Country Status (1)
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| CN (1) | CN207624912U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149129A (en) * | 2018-09-12 | 2019-01-04 | 常熟市泓博通讯技术股份有限公司 | Double mode aerial array and electronic device with double mode aerial array |
| CN109301462A (en) * | 2018-09-06 | 2019-02-01 | 深圳大学 | Double-wide-surface magnetoelectric dipole base station antenna applied to 5G communication |
| CN109546334A (en) * | 2018-10-31 | 2019-03-29 | 中天宽带技术有限公司 | A kind of low section cross oscillator for multifrequency antenna for base station |
| WO2020140537A1 (en) * | 2018-12-30 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Mimo antenna system and electronic equipment |
| CN112448125A (en) * | 2019-08-28 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | Double-frequency directional antenna and unmanned aerial vehicle remote controller |
| CN112821045A (en) * | 2020-12-31 | 2021-05-18 | 京信通信技术(广州)有限公司 | Radiation unit and base station antenna |
| CN113067151A (en) * | 2021-03-31 | 2021-07-02 | Oppo广东移动通信有限公司 | Antenna assembly, electronic equipment and communication system |
| CN114156659A (en) * | 2021-11-30 | 2022-03-08 | 杭州电子科技大学 | Broadband common-caliber dipole array of Sub-6GHz and millimeter wave frequency bands |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109301462A (en) * | 2018-09-06 | 2019-02-01 | 深圳大学 | Double-wide-surface magnetoelectric dipole base station antenna applied to 5G communication |
| CN109149129A (en) * | 2018-09-12 | 2019-01-04 | 常熟市泓博通讯技术股份有限公司 | Double mode aerial array and electronic device with double mode aerial array |
| CN109546334A (en) * | 2018-10-31 | 2019-03-29 | 中天宽带技术有限公司 | A kind of low section cross oscillator for multifrequency antenna for base station |
| CN109546334B (en) * | 2018-10-31 | 2020-09-29 | 中天宽带技术有限公司 | Low-profile cross oscillator for multi-frequency base station antenna |
| WO2020140537A1 (en) * | 2018-12-30 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Mimo antenna system and electronic equipment |
| CN112448125A (en) * | 2019-08-28 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | Double-frequency directional antenna and unmanned aerial vehicle remote controller |
| CN112448125B (en) * | 2019-08-28 | 2024-06-11 | 深圳市卓睿通信技术有限公司 | Dual-frenquency directional antenna and unmanned aerial vehicle remote controller |
| WO2022053156A1 (en) * | 2020-09-14 | 2022-03-17 | Huawei Technologies Co., Ltd. | Antenna device, array of antenna devices, and base station with antenna device |
| CN112821045B (en) * | 2020-12-31 | 2023-05-30 | 京信通信技术(广州)有限公司 | Radiating element and base station antenna |
| CN112821045A (en) * | 2020-12-31 | 2021-05-18 | 京信通信技术(广州)有限公司 | Radiation unit and base station antenna |
| CN113067151A (en) * | 2021-03-31 | 2021-07-02 | Oppo广东移动通信有限公司 | Antenna assembly, electronic equipment and communication system |
| CN114156659A (en) * | 2021-11-30 | 2022-03-08 | 杭州电子科技大学 | Broadband common-caliber dipole array of Sub-6GHz and millimeter wave frequency bands |
| CN114156659B (en) * | 2021-11-30 | 2024-02-02 | 杭州电子科技大学 | Broadband common-caliber dipole array of Sub-6GHz and millimeter wave frequency bands |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200123 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: Comba Telecom System (China) Ltd. Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20201228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |