CN201584503U - Dual-polarization antenna unit of broadband - Google Patents
Dual-polarization antenna unit of broadband Download PDFInfo
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- CN201584503U CN201584503U CN2009202735952U CN200920273595U CN201584503U CN 201584503 U CN201584503 U CN 201584503U CN 2009202735952 U CN2009202735952 U CN 2009202735952U CN 200920273595 U CN200920273595 U CN 200920273595U CN 201584503 U CN201584503 U CN 201584503U
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Abstract
The utility model discloses a dual-polarization antenna unit of a broadband, which comprises a radiation body and a balance feeding device, wherein the radiation body consists of four radiation pieces, every two of the four radiation pieces are symmetric to each other and are distributed in an orthogonal way, the balance feeding device consists of an exciting core wire and a balance balun, the balance balun also forms a supporting body of each radiation piece, the length of a symmetric radiation array is about half of wavelength, the width is of a quarter wavelength, the radiation piece further comprises a supporting area and a radiation area which are adjacent to each other, two short edges and long edges of the radiation area and two waists of the supporting area form a continuous curve, the ratio between the length of waist of supporting area, the short edge of the radiation area and the length of the long edge of the radiation area is about 1:1:2, two adjacent waists of two adjacent radiation pieces are arranged in parallel, and the gap between the two adjacent waists is smaller than 0.1 of a wavelength. The dual-polarization antenna unit is of a radiation vibrator with wide relative bandwidth. The vibrator has excellent indexes such as standing-wave ratio and the like within a wide frequency band.
Description
[technical field]
The utility model relates to the antenna of mobile communication base station field, particularly a kind of wideband dual polarized antenna.
[technical background]
Mobile communication is being brought into play more and more important effect in daily life.By the end of the year 2007, China's tracking exchage amount surpasses 5.4 hundred million, and the antenna for base station that comes into operation surpasses 1,000,000 pairs, and along with the continuous increase of mobile communication business and kind, the working frequency range of various standards is also in continuous expansion.The operating frequency of smart antenna is 1880-1920MHz in the TD-SCDMA network, 2010-2025MHz, 2300-2400MHz.The communication frequency of DCS is 1710-1880MHz.The communication frequency of PCS is 1850-1990MHz.The communication frequency of UMTS is 1920-2170MHz.The part communications band of WiMax (WorldwideInteroperability for Microwave Access, promptly worldwide interoperability for microwave inserts) is 2300-2700MHz.Therefore, now proposed to design a market demand of taking into account the broad-band antenna of above-mentioned standard.
The relative band width of 1710-2400MHz surpasses 33%, and the relative band width of 1710-2700MHz is then near 45%, and the relative bandwidth that existing dual-polarized antenna vibrator provides generally all is difficult to satisfy, and the bandwidth of the antenna array of Zu Chenging also is restricted thus.Seldom having relative bandwidth to surpass 45% in the design of existing broadband oscillator, is described broadband oscillators such as ZL200820122837.3, CN 201174423Y, CN 101465475A as the patent No., and its relative bandwidth just has only about 33%.
[utility model content]
The purpose of this utility model is: a kind of radiating doublet of relative bandwidth broad is provided, and it is good that this oscillator index such as compares at the frequency band standing internal wave of broad.
The purpose of this utility model is achieved in that
A kind of dual polarized antenna unit of broadband, comprise radiant body and balance feeder equipment, this balanced feeding device is the excitation radiation body to the radiant body feed, this radiant body is made up of four radiation fins, described four radiation fins are symmetry and omnidirectional distribution in twos, form the symmetrical radiating curtain of two pairs of quadratures, this balanced feeding device is made up of excitation heart yearn and balance Ba Lun two parts, this balance Ba Lun constitutes the supporter of each radiation fin simultaneously, described symmetrical radiating curtain length is about 1/2nd wavelength, width is about quarter-wave, this radiation fin further comprises a Support and a radiation area that adjoins mutually, this Support is the isosceles trapezoid shape, this Support is positioned at the middle part of this radiant body, and be connected with supporter, this radiation area is positioned at the periphery of this radiant body, the periphery of this radiation area has a long limit and is respectively in the two isometric minor faces of these both sides, length limit, described two minor faces are connected with an end of Support two waists respectively away from an end on long limit, two waists of two minor faces of this radiation area and long limit and Support are formed full curve, proportionate relationship between the long edge lengths of the waist length of described Support and the bond length of radiation area and radiation area is about 1: 1: 2, the adjacent two adjacent waists of two radiation fins in the described left and right sides be arranged in parallel, and the gap between two waists is less than 0.1 wavelength.
The excitation heart yearn coupling feed of above-mentioned Compositional balance feeder equipment.
Above-mentioned balance Ba Lun is the column of hollow, and this excitation heart yearn inserts this balance Ba Lun inside, and this excitation heart yearn and this balance Ba Lun constitute a pair of microstrip transmission line, and the feed end and the feeding network of array antennas of described excitation heart yearn link.
Above-mentioned excitation heart yearn is " n " type, and the inside of balance Ba Lun is inserted at two ends, and isolates with this balance Ba Lun.
The part that above-mentioned excitation heart yearn inserts balance Ba Lun is provided with the plurality of fixed piece, and this plurality of fixed piece is fastened among this balance Ba Lun, and this excitation heart yearn passes from this plurality of fixed piece middle part.
Above-mentioned fixed block is located at the top of feed end and this balance Ba Lun of this excitation heart yearn.
Above-mentioned balance Ba Lun is the square column of hollow, and it highly is 1/4th wavelength, and wall thickness is 1mm, and this supporter is perpendicular to this radiation fin, and this supporter and this radiation fin are designed to one on physical structure.
The above-mentioned radiation fin and the joint portion of supporter are provided with some reinforcements.
Above-mentioned radiation fin can be an entity structure, also can be engraved structure.
If above-mentioned broadband dual polarized antenna unit is provided with reflecting plate, then described balance Ba Lun is fixed on the reflecting plate.
Its beneficial effect is: the horizontal beam width that the utility model has overcome antenna oscillator in the existing broadband dual polarized antenna technology changes greatly with the difference of frequency, the gain of antenna oscillator is relatively low, and cross polarization is generally not good, current imbalance between antenna, and assembling trouble, defectives such as consistency difference provide a kind of wideband dual polarized oscillator of integrated design, and it is simple in structure, easy for installation, easy feed, high conformity is easy to produce; Relative bandwidth surpasses 45%, and good in indexs such as the frequency band standing internal wave of broad compare.And have that the fluctuation of good cross polarization characteristics, horizontal plane beamwidth is little, high-gain and high before and after advantage such as compare.
[description of drawings]
Fig. 1 is the overall structure schematic diagram of the utility model embodiment 1;
Fig. 2 is the overall structure profile of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 1 radiant body;
Fig. 4 is the structural representation of the utility model embodiment 1 one of them radiation fin;
Fig. 5 is the structural representation of the utility model embodiment 2;
Fig. 6 is the structural representation of the utility model embodiment 3;
Fig. 7 is the structural representation of the utility model embodiment 4;
Fig. 8 is the utility model+45 ° polarizing voltage standing-wave ratio frequency characteristic curve diagrams;
Fig. 9 is the utility model-45 ° polarizing voltage standing-wave ratio frequency characteristic curve diagram.
[embodiment]
Below in conjunction with drawings and the specific embodiments, the utility model is further described.
Embodiment 1:
As shown in Figure 1, the broadband dual polarized antenna of present embodiment comprises reflecting plate 1,2, four radiation fins 3 of supporter, fixed block 4 and excitation heart yearn 5.These four radiation fins 3 are symmetry and quadrature in twos, forms the radiant body of present embodiment.
Reflecting plate 1 is a metallic plate, the effect of playing reflection electromagnetic wave and installing and fixing, and its thickness can be ignored with respect to operation wavelength.
As shown in Figure 4, radiation fin 3 further comprises the Support 3-1 that is the isosceles trapezoid shape and is the radiation area 3-2 of quadrangle shape, this Support 3-1 is positioned at the middle part of this radiant body, and supported by this supporter 2, this radiation area 3-2 is positioned at the periphery of this radiant body, this be the isosceles trapezoid shape Support 3-1 the long a of waist and be the wide b of radiation area 3-2 of quadrangle shape and the proportionate relationship of long c is about 1: 1: 2, as shown in Figure 3, four radiation fins are symmetry and omnidirectional distribution in twos, and the gap between two adjacent radiation fins is less than 0.1 wavelength.Two broadsides of this radiation area 3-2 are formed full curve with two waists of long limit and Support 3-1, and adjacent two radiation fins, the 3 two adjacent waists in the left and right sides be arranged in parallel, and the gap between two waists is less than 0.1 wavelength.
The radiation area of the present embodiment shape that is rectangle, but not only be confined to this, also can be the quadrangle of other shapes.
Because excitation heart yearn 5 is not connected with radiation fin 3 with supporter 2 in the present embodiment, in order to make excitation heart yearn 5 be fixed on the inside of supporter 2 preferably, adopt Shooting Technique in the present embodiment, fixed block 4 edges that excitation heart yearn 5 and insulating material are made are one, as shown in Figure 1, fixed block 4 cards are established in this supporter 2, and this excitation heart yearn 5 passes from fixed block 4 middle parts, and present embodiment respectively is provided with a fixed block 4 at the feed end of excitation heart yearn 5 and the top of supporter 2.
In the present embodiment, an example that the broad-band antenna oscillator is surveyed is provided, and the thickness of the aluminium alloy reflecting plate 1 of employing is about 1.5mm, and length and width are about 200mm * 150mm, the height of the supporter 2 that adopts is about 35mm, being about of half-wave dipole is 70mm, the wide 30mm that is about, wherein a among Fig. 3, b, the c limit is about 15mm, 15mm, 30mm.This oscillator is placed microwave dark room, use network analyzer that oscillator is surveyed, resulting voltage standing wave(VSW) is such as Fig. 8 and shown in Figure 9, and as seen from the figure, in VSWR≤1.4 o'clock, impedance bandwidth surpasses 45%.
Embodiment 2:
As shown in Figure 5, the difference of present embodiment and embodiment 1 is: the radiation fin 3 of embodiment 1 is entities, and present embodiment adopts engraved structure.
Embodiment 3:
As shown in Figure 6, similar to embodiment 2, the radiation fin of present embodiment adopts another kind of engraved structure.
Embodiment 4:
As shown in Figure 7, the radiation fin of present embodiment adopts the engraved structure that is different from embodiment 2 and embodiment 3.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies, then the utility model also is intended to comprise these changes and modification interior.The radiation fin of this patent, it both can be an entity, also can hollow out, as figure (4), give the scheme of three kinds of radiation fin hollow outs in this patent, but it is not limited to this three kinds of schemes.
Claims (10)
1. the dual polarized antenna unit in a broadband, comprise radiant body and balance feeder equipment, this balanced feeding device is the excitation radiation body to the radiant body feed, this radiant body is made up of four radiation fins, described four radiation fins are symmetry and omnidirectional distribution in twos, forms the symmetrical radiating curtain of two pairs of quadratures, and this balanced feeding device is made up of excitation heart yearn and balance Ba Lun two parts, this balance Ba Lun constitutes the supporter of each radiation fin simultaneously, it is characterized in that:
Described symmetrical radiating curtain length is about 1/2nd wavelength, width is about quarter-wave, this radiation fin further comprises a Support and a radiation area that adjoins mutually, this Support is the isosceles trapezoid shape, this Support is positioned at the middle part of this radiant body, and be connected with supporter, this radiation area is positioned at the periphery of this radiant body, the periphery of this radiation area has a long limit and is respectively in the two isometric minor faces of these both sides, length limit, described two minor faces are connected with an end of Support two waists respectively away from an end on long limit, two waists of two minor faces of this radiation area and long limit and Support are formed full curve, proportionate relationship between the long edge lengths of the waist length of described Support and the bond length of radiation area and radiation area is about 1: 1: 2, the adjacent two adjacent waists of two radiation fins in the described left and right sides be arranged in parallel, and the gap between two waists is less than 0.1 wavelength.
2. the dual polarized antenna unit in a kind of broadband according to claim 1 is characterized in that: the excitation heart yearn coupling feed of described Compositional balance feeder equipment.
3. the dual polarized antenna unit in a kind of broadband according to claim 2, it is characterized in that: described balance Ba Lun is the column of hollow, this excitation heart yearn inserts this balance Ba Lun inside, this excitation heart yearn and this balance Ba Lun constitute a pair of microstrip transmission line, and the feed end and the feeding network of array antennas of described excitation heart yearn link.
4. the dual polarized antenna unit in a kind of broadband according to claim 3, it is characterized in that: described excitation heart yearn is " n " type, and the inside of balance Ba Lun is inserted at two ends, and isolates with this balance Ba Lun.
5. the dual polarized antenna unit in a kind of broadband according to claim 4, it is characterized in that: the part that described excitation heart yearn inserts balance Ba Lun is provided with the plurality of fixed piece, this plurality of fixed piece is fastened among this balance Ba Lun, and this excitation heart yearn passes from this plurality of fixed piece middle part.
6. the dual polarized antenna unit in a kind of broadband according to claim 5, it is characterized in that: described fixed block is located at the top of feed end and this balance Ba Lun of this excitation heart yearn.
7. according to the dual polarized antenna unit in each described a kind of broadband of claim 1-6, it is characterized in that: described balance Ba Lun is the square column of hollow, it highly is 1/4th wavelength, wall thickness is 1mm, this supporter is perpendicular to this radiation fin, and this supporter and this radiation fin are designed to one on physical structure.
8. the dual polarized antenna unit in a kind of broadband according to claim 7, it is characterized in that: the joint portion of described radiation fin and supporter is provided with some reinforcements.
9. according to the dual polarized antenna unit in each described a kind of broadband of claim 1-6, it is characterized in that: described radiation fin can be an entity structure, also can be engraved structure.
10. according to the dual polarized antenna unit in each described a kind of broadband of claim 1-6, it is characterized in that: if described broadband dual polarized antenna unit is provided with reflecting plate, then described balance Ba Lun is fixed on the reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202735952U CN201584503U (en) | 2009-11-26 | 2009-11-26 | Dual-polarization antenna unit of broadband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202735952U CN201584503U (en) | 2009-11-26 | 2009-11-26 | Dual-polarization antenna unit of broadband |
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| CN201584503U true CN201584503U (en) | 2010-09-15 |
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| CN2009202735952U Expired - Fee Related CN201584503U (en) | 2009-11-26 | 2009-11-26 | Dual-polarization antenna unit of broadband |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000215A1 (en) * | 2015-06-30 | 2017-01-05 | 华为技术有限公司 | Radiation device |
| CN107591615A (en) * | 2017-08-25 | 2018-01-16 | 石家庄昊源通信技术有限公司 | A kind of broadband array antenna |
| CN109326872A (en) * | 2018-09-14 | 2019-02-12 | 京信通信系统（中国）有限公司 | Antenna for base station and its radiating element |
| CN114678681A (en) * | 2022-02-25 | 2022-06-28 | 中国电子科技集团公司第二十九研究所 | Broadband high-power reflection oscillator and implementation method |
-
2009
- 2009-11-26 CN CN2009202735952U patent/CN201584503U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000215A1 (en) * | 2015-06-30 | 2017-01-05 | 华为技术有限公司 | Radiation device |
| CN108028460A (en) * | 2015-06-30 | 2018-05-11 | 华为技术有限公司 | Radiation appliance |
| US10389018B2 (en) | 2015-06-30 | 2019-08-20 | Huawei Technologies Co., Ltd. | Radiation apparatus |
| US10714820B2 (en) | 2015-06-30 | 2020-07-14 | Huawei Technologies Co., Ltd. | Radiation apparatus |
| US11316263B2 (en) | 2015-06-30 | 2022-04-26 | Huawei Technologies Co., Ltd. | Radiation apparatus |
| CN107591615A (en) * | 2017-08-25 | 2018-01-16 | 石家庄昊源通信技术有限公司 | A kind of broadband array antenna |
| CN109326872A (en) * | 2018-09-14 | 2019-02-12 | 京信通信系统（中国）有限公司 | Antenna for base station and its radiating element |
| CN114678681A (en) * | 2022-02-25 | 2022-06-28 | 中国电子科技集团公司第二十九研究所 | Broadband high-power reflection oscillator and implementation method |
| CN114678681B (en) * | 2022-02-25 | 2023-05-09 | 中国电子科技集团公司第二十九研究所 | Broadband high-power reflection vibrator and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG TONGYU COMMUNICATIONS CO., LTD. Free format text: FORMER NAME: GUANGDONG TONGYU COMMUNICATION EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee after: Guangdong Tongyu Communications Co., Ltd. Address before: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee before: Guangdong Tongyu Communication Equipment Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131126 |