CN202633519U - Dual polarization broadband antenna - Google Patents
Dual polarization broadband antenna Download PDFInfo
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- CN202633519U CN202633519U CN 201220167414 CN201220167414U CN202633519U CN 202633519 U CN202633519 U CN 202633519U CN 201220167414 CN201220167414 CN 201220167414 CN 201220167414 U CN201220167414 U CN 201220167414U CN 202633519 U CN202633519 U CN 202633519U
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Abstract
The utility model provides a dual polarization broadband antenna, comprising a floor which is arranged at the bottom layer, a first medium plate and a second medium plate which are arranged at the middle layer, and a cover plate which is arranged at the top layer, wherein the first medium plate is fixed on the floor in a +45DEG linear polarization mode; the second medium plate is fixed on the floor in a -45DEG linear polarization mode; the cover plate is fixed on the top end of the first medium plate and the second medium plate; and printed circuits are engraved on the first medium plate and the second medium plate. The dual polarization broadband antenna integrates two antennae, the +45DEG polarization direction antenna and the -45DEG polarization direction antenna which are mutually orthogonal in polarization direction and work under the transmit-receive dual mode at the same time, thus saving the quantity of antennae for single base station; the dual polarization broadband antenna has the advantages of being ingenious and simple in the assembling structure, being convenient to produce, being suitable for quantity production and effectively reducing the cost; and the distribution of the printed circuits on the first medium plate and the second medium plate makes the dual polarization broadband antenna have the advantage of having a low profile and a wide band.
Description
Technical field
The utility model relates to a kind of dual polarization broadband antenna, relates in particular to a kind of dual polarization wideband patch antenna that is used for mobile communication.
Background technology
Along with the granting of China's 3G license, the mobile communications network of TD-SCDMA, WCDMA, three kinds of standards of CDMA2000 has all begun to build and operation.Broadband wireless networks such as WiMAX drop into application more and more, along with the development of mobile communication technology, also have more high-new technology and put it into commercial operation.No matter be now or future, multiple communications applications standard and the situation of depositing are inevitable.
Antenna for base station is the important component part of GSM, and its characteristic directly influences the overall performance of each wireless network.Along with the continuous increase of the network coverage and capacity, the quantity of base station and antenna for base station increases fast, and its visual pollution that causes is also more and more serious.In addition, outdoor utility makes that the maintenance work of antenna for base station is heavy day by day for a long time.Therefore, more optimal antenna for base station solution becomes the focus that each side pays close attention to.Therefore, make antenna for base station can cover the wide frequency range of trying one's best, for multiple standards and deposit and use and reduce the antenna for base station use amount, significant.
The utility model content
The purpose of the utility model is to provide a kind of simple in structure, and have low section, wide band dual polarization broadband antenna to the problems referred to above.
For reaching above-mentioned technique effect, the utility model adopts following technical scheme:
A kind of dual polarization broadband antenna comprises the floor that is positioned at bottom, is positioned at first dielectric-slab and second dielectric-slab in middle level, and the cover plate that is positioned at top layer;
First dielectric-slab is fixed on the floor with+45 degree linear polarization modes, and second dielectric-slab is fixed on the floor with-45 degree linear polarization modes, and cover plate is fixed in the upper end of first dielectric-slab and second dielectric-slab;
One side of first dielectric-slab is provided with first printed circuit, and the two ends of first printed circuit are respectively equipped with the first opening ring circuit and the second opening ring circuit; The another side of first dielectric-slab is provided with the 4th printed circuit, and the 4th printed circuit comprises successively the multistage microstrip line of series connection, and wherein two sections microstrip lines pass the correspondence position of the opening of the first opening ring circuit and the second opening ring circuit respectively;
One side of second dielectric-slab is provided with the 5th printed circuit, and the two ends of the 5th printed circuit are respectively equipped with the 3rd opening ring circuit and the 4th opening ring circuit; The another side of second dielectric-slab is provided with the 8th printed circuit, and the 8th printed circuit comprises successively the multistage microstrip line of series connection, and wherein two sections microstrip lines pass the correspondence position of the opening of the 3rd opening ring circuit and the 4th opening ring circuit respectively.
First printed circuit and the 5th printed circuit and floor electrically connect.
The opening of the opening of the first opening ring circuit and the second opening ring circuit is towards equidirectional; The opening of the opening of the 3rd opening ring circuit and Fourth Ring shape circuit is towards equidirectional.
The opening of the opening of the first opening ring circuit and the second opening ring circuit is towards rightabout; The opening of the opening of the 3rd opening ring circuit and Fourth Ring shape circuit is towards rightabout.
Top in the middle of first dielectric-slab offers first rectangular aperture, and the bottom in the middle of second dielectric-slab offers second rectangular aperture, and first rectangular aperture and second rectangular aperture insert relatively, and first dielectric-slab and the mutual square crossing of second dielectric-slab are fixed.
The lower edge of the lower edge of first dielectric-slab, second dielectric-slab respectively is provided with at least two outstanding stiff ends.
The floor is provided with the corresponding rectangular channel of each stiff end with first dielectric-slab and the second dielectric-slab lower edge, and first dielectric-slab and second dielectric-slab are fixed on the floor through with each stiff end and the mutual clamping of corresponding rectangular channel.
Offer first through hole on first dielectric-slab, first through hole is positioned at the middle part of one section microstrip line; Offer second through hole on second dielectric-slab, second through hole is positioned at the middle part of one section microstrip line.
The floor is that polygon covers copper dielectric-slab or sheet metal, and cover plate is that regular polygon covers copper dielectric-slab or sheet metal.
The dual polarization broadband antenna of the utility model made up+the mutually orthogonal antenna of 45 degree and-45 degree two consequent pole directions and to be operated in transmitting-receiving simultaneously double mode down, saved the antenna amount of single base station.Its package assembly is ingenious and simple, and is easily manufactured, is fit to produce in batches, can effectively reduce cost.In addition, the printed circuit on first dielectric-slab and second dielectric-slab distributes and makes the dual polarization broadband antenna of the utility model have low section, wide band advantage.
Description of drawings
Fig. 1 is the general structure vertical view of the utility model first embodiment.
Fig. 2 is the structural representation of first dielectric-slab among the utility model first embodiment.
Fig. 3 is the structural representation of second dielectric-slab among the utility model first embodiment.
Fig. 4 is the structural representation of cover plate among the utility model first embodiment.
Fig. 5 is the structural representation on floor among the utility model first embodiment.
Fig. 6 is the general structure vertical view of the utility model second embodiment.
Fig. 7 is the structural representation of first dielectric-slab among the utility model second embodiment.
Fig. 8 is the structural representation of cover plate among the utility model second embodiment.
Fig. 9 is the structural representation on floor among the utility model second embodiment.
Embodiment
To combine accompanying drawing and concrete embodiment that the utility model is done further detailed description below.
First embodiment
A kind of dual polarization broadband antenna as shown in Figure 1, that the utility model provides comprises floor 101, first dielectric-slab 102, second dielectric-slab 103 and cover plate 104.All be carved with printed circuit on said first dielectric-slab 102 and second dielectric-slab 103, the straight line at said first dielectric-slab 102 place is+45 degree with the angle of positive x axle, promptly first dielectric-slab 102 with+45 degree linear polarization modes be fixed on floor 101 above.The straight line at said second dielectric-slab 103 place is-45 degree with the angle of positive x axle, promptly second dielectric-slab 103 with-45 degree linear polarization modes be fixed on floor 101 above.Cover plate 104 is fixed on the upper end of first dielectric-slab 102 and second dielectric-slab 103, and printed circuit on said first dielectric-slab 102 and second dielectric-slab 103 and floor 101 electrically connect.
As shown in Figure 2, the general shape of first dielectric-slab 102 is a rectangle, and the top between wherein offers first rectangular aperture 209.There are four outstanding stiff ends 219,221,222 and 220 upper edge of first dielectric-slab 102; Wherein, Stiff end 219 and 220 lays respectively at the right ends of first dielectric-slab, 102 upper edges, and stiff end 221 and 222 is positioned at the middle part of first dielectric-slab, 102 upper edges.The right ends of first dielectric-slab, 102 lower edges has an outstanding stiff end 210 and 211 respectively.One side of first dielectric-slab 102 is carved with first printed circuit 212, second printed circuit 215 and the 3rd printed circuit 216, and the another side is carved with the 4th printed circuit 225.For making things convenient for comparative illustration, Fig. 2 has adopted the technique of painting of perspective, and first to fourth printed circuit 212,215,216 and 225 is shown in the same plane graph.Wherein, First printed circuit 212 comprises the first opening ring circuit 213 and the second opening ring circuit 214; Left end and its opening 223 that the first opening ring circuit 213 is positioned at first printed circuit 212 up, right-hand member and its opening 224 that the second opening ring circuit 214 is positioned at first printed circuit 212 are up.The stiff end 220 that second printed circuit, 215 engravings are carved in the upper right corner at stiff end 219, the three printed circuits 216 in the upper left corner.The 4th printed circuit 225 is composed in series by first to the 5th microstrip line 217,205,204,206 and 218 successively; Wherein the width of first microstrip line 217 and the 5th microstrip line 218 is identical with length; The width of second microstrip line 205 and the 4th microstrip line 206 is identical with electrical length; Second microstrip line 205 passes the position of opening 223 correspondences of the first opening ring circuit 213, and the 4th microstrip line 206 passes the position of opening 224 correspondences of the second opening ring circuit 214.Also offer first through hole, 203, the first through holes 203 on first dielectric-slab 102 and be positioned at the middle part of the 3rd microstrip line 204.When first dielectric-slab 102 is used when cable-fed, the outer conductor of cable is welded on first printed circuit 212, the inner wire of cable passes first through hole 203 and is welded on the 3rd microstrip line 204.
As shown in Figure 3, the structure of second dielectric-slab 103 is similar with first dielectric-slab 102.The general shape of second dielectric-slab 103 is a rectangle, and the bottom between wherein offers second rectangular aperture 309.There are four outstanding stiff ends 319,321,322 and 320 upper edge of second dielectric-slab 103; Wherein, Stiff end 319 and 320 lays respectively at the right ends of first dielectric-slab, 103 upper edges, and stiff end 321 and 322 is positioned at the middle part of second dielectric-slab, 103 upper edges.The right ends of second dielectric-slab, 103 lower edges has an outstanding stiff end 310 and 311 respectively.One side of second dielectric-slab 103 is carved with the 5th printed circuit 312, the 6th printed circuit 315 and the 7th printed circuit 316, and the another side is carved with the 8th printed circuit 325.For making things convenient for comparative illustration, Fig. 3 has adopted the technique of painting of perspective, and the 5th to the 8th printed circuit 312,315,316 and 325 is shown in the same plane graph.Wherein, The 5th printed circuit 312 comprises the 3rd opening ring circuit 313 and the 4th opening ring circuit 314; Left end and its opening 323 that the 3rd opening ring circuit 313 is positioned at the 5th printed circuit 312 up, right-hand member and its opening 324 that Fourth Ring shape circuit 314 is positioned at the 5th printed circuit 312 are up.The stiff end 320 that the 6th printed circuit 315 engravings are carved in the upper right corner at stiff end 319, the seven printed circuits 316 in the upper left corner.The 8th printed circuit 325 is composed in series by the 6th to the tenth microstrip line 317,305,304,306 and 318 successively; Wherein the width of the 6th microstrip line 317 and the tenth microstrip line 318 is identical with length; The width of the 7th microstrip line 305 and the 9th microstrip line 306 is identical with electrical length; The 7th microstrip line 305 passes the position of opening 323 correspondences of the 3rd opening ring circuit 313, and the 9th microstrip line 306 passes the position of opening 324 correspondences of the 4th opening ring circuit 314.Also offer second through hole, 303, the second through holes 303 on second dielectric-slab 103 and be positioned at the middle part of the 8th microstrip line 304.When second dielectric-slab 103 is used when cable-fed, the outer conductor of cable is welded on the 5th printed circuit 312, the inner wire of cable passes second through hole 303 and is welded on the 8th microstrip line 304.
Like Fig. 4 and shown in Figure 5, said floor 101 and cover plate 104 are for attaching copper dielectric-slab or sheet metal, and floor 101 is the regular polygon structure with cover plate 104.Cover plate 104 in the present embodiment is the square of 0.5 λ for the length of side, and wherein, λ is the corresponding airborne wavelength of the centre frequency of antenna working frequency range, and floor 101 is square structure.On two diagonal of cover plate 104, offer 8 rectangular channels 401, the distributing position of said 8 rectangular channels 401 each stiff end with first dielectric-slab 102 and second dielectric-slab, 103 upper edges respectively is corresponding.On two diagonal on floor 101, offer 4 rectangular channels 501.The distributing position of said 4 rectangular channels 501 each stiff end with first dielectric-slab 102 and second dielectric-slab, 103 lower edges respectively is corresponding.
The installation method of the dual polarization broadband antenna of the utility model embodiment is following:
The first step: the rectangular aperture 309 of the rectangular aperture 209 on first dielectric-slab, 102 tops being aimed at second dielectric-slab, 103 bottoms.To pressing down second dielectric-slab 103, first dielectric-slab 102 and the 103 cross square crossings of second dielectric-slab are fixed together, and the lower end of the lower end of first dielectric-slab 102 and second dielectric-slab 103 is positioned on the same horizontal plane.
Second step: each stiff end of first dielectric-slab 102 and second dielectric-slab, 103 lower edges is snapped in rectangular channel 502 corresponding on the floor 101 respectively; Simultaneously to pressing down first dielectric-slab 102 and second dielectric-slab 103; The lower end that makes first dielectric-slab 102 and second dielectric-slab 103 welds together with each stiff end and the floor 101 of tin with first dielectric-slab 102 and second dielectric-slab, 103 lower edges near floor 101 then.
The 3rd step: the rectangular channel on the cover plate 104 401 is passed each corresponding stiff end of first dielectric-slab 102 and second dielectric-slab, 103 upper edges respectively, weld together with each stiff end and the cover plate 104 of tin then with first dielectric-slab 102 and second dielectric-slab, 103 upper edges.In addition, also can on the floor 102 around first dielectric-slab 102 and second dielectric-slab 103, fix 4 support columns, again cover plate 104 is fixed on the upper end of support column.
Second embodiment
Be illustrated in figure 6 as second embodiment of the dual polarization broadband antenna of the utility model, it comprises floor 601, first dielectric-slab 602, second dielectric-slab 603 and cover plate 604.All be carved with printed circuit on said first dielectric-slab 602 and second dielectric-slab 603, the straight line at said first dielectric-slab 602 place is+45 degree with the angle of positive x axle, promptly first dielectric-slab 602 with+45 degree linear polarization modes be fixed on floor 601 above.The straight line at said second dielectric-slab 603 place is-45 degree with the angle of positive x axle, promptly second dielectric-slab 603 by+45 degree linear polarization modes be fixed on floor 601 above.Cover plate 604 is fixed on the upper end of first dielectric-slab 602 and second dielectric-slab 603, and printed circuit on said first dielectric-slab 602 and second dielectric-slab 603 and floor 601, cover plate 604 electrically connect.
As shown in Figure 7; Top in the middle of first dielectric-slab 602 of present embodiment offers a rectangular aperture 709; There are four outstanding stiff ends 701,702,715,716 upper edge of first dielectric-slab 602, and there are four outstanding stiff ends 707,708,710,711 lower edge.One side of first dielectric-slab 602 is carved with first printed circuit 712, and the another side is carved with second printed circuit 719.For making things convenient for comparative illustration, Fig. 2 has adopted the technique of painting of perspective, and first printed circuit 712 and second printed circuit 719 are shown in the same plane graph.Wherein, First printed circuit 712 comprises the first opening ring circuit 713 and the second opening ring circuit 714; The first opening ring circuit 713 is positioned at left end and its opening 720 court left sides of first printed circuit 712, and the second opening ring circuit 714 is positioned at right-hand member and its opening 721 court right sides of first printed circuit 712.Second printed circuit 719 is composed in series by first to the 5th microstrip line 717,705,704,706,718 successively; Wherein the width of first microstrip line 717 and the 5th microstrip line 718 is identical with length; The width of second microstrip line 705 and the 4th microstrip line 706 is identical with electrical length; Second microstrip line 705 passes the position of opening 720 correspondences of the first opening ring circuit 713, and the 4th microstrip line 706 passes the position of opening 721 correspondences of the second opening ring circuit 714.Also offer a through hole 703 on first dielectric-slab 602, through hole 703 is positioned at the middle part of the 3rd microstrip line 704.When first dielectric-slab 602 is used when cable-fed, the outer conductor of cable is welded on first printed circuit 712, the inner wire of cable passes through hole 703 and is welded on the 3rd microstrip line 704.
In the present embodiment, only need towards held, promptly can be used as the rectangular aperture 709 of first dielectric-slab 602 second dielectric-slab 603 and use.Also promptly the structure of second dielectric-slab 603 is identical with first dielectric-slab 602.
Like Fig. 8 and shown in Figure 9, said floor 601 and cover plate 604 are for attaching copper dielectric-slab or sheet metal, and floor 601 is the regular polygon structure with cover plate 604.Cover plate 604 in the present embodiment is the square of 0.5 λ for the length of side, and wherein, λ is the corresponding airborne wavelength of the centre frequency of antenna working frequency range, and floor 601 is square structure.On two diagonal of cover plate 604, offer 8 rectangular channels 801, the distributing position of said 8 rectangular channels 801 each stiff end with first dielectric-slab 602 and second dielectric-slab, 603 upper edges respectively is corresponding.On two diagonal on floor 601, offer 8 rectangular channels 901, the distributing position of said 8 rectangular channels 901 each stiff end with first dielectric-slab 602 and second dielectric-slab, 603 lower edges respectively is corresponding.
The installation method of the dual polarization broadband antenna of present embodiment and first embodiment are similar, repeat no more at this.
The dual polarization broadband antenna of the utility model made up+the mutually orthogonal antenna of 45 degree and-45 degree two consequent pole directions and to be operated in transmitting-receiving simultaneously double mode down, saved the antenna amount of single base station.Its package assembly is ingenious and simple, and is easily manufactured, is fit to produce in batches, can effectively reduce cost.In addition, the printed circuit on first dielectric-slab and second dielectric-slab distributes and also makes the dual polarization broadband antenna of the utility model have low section, wide band advantage.
The above embodiment has only expressed several kinds of execution modes of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.
Claims (9)
1. a dual polarization broadband antenna is characterized in that, comprises the floor that is positioned at bottom, is positioned at first dielectric-slab and second dielectric-slab in middle level, and the cover plate that is positioned at top layer;
First dielectric-slab is fixed on the floor with+45 degree linear polarization modes, and second dielectric-slab is fixed on the floor with-45 degree linear polarization modes, and cover plate is fixed in the upper end of first dielectric-slab and second dielectric-slab;
One side of first dielectric-slab is provided with first printed circuit, and the two ends of first printed circuit are respectively equipped with the first opening ring circuit and the second opening ring circuit; The another side of first dielectric-slab is provided with the 4th printed circuit, and the 4th printed circuit comprises successively the multistage microstrip line of series connection, and wherein two sections microstrip lines pass the correspondence position of the opening of the first opening ring circuit and the second opening ring circuit respectively;
One side of second dielectric-slab is provided with the 5th printed circuit, and the two ends of the 5th printed circuit are respectively equipped with the 3rd opening ring circuit and the 4th opening ring circuit; The another side of second dielectric-slab is provided with the 8th printed circuit, and the 8th printed circuit comprises successively the multistage microstrip line of series connection, and wherein two sections microstrip lines pass the correspondence position of the opening of the 3rd opening ring circuit and the 4th opening ring circuit respectively.
2. dual polarization broadband antenna according to claim 1 is characterized in that, first printed circuit and the 5th printed circuit and floor electrically connect.
3. dual polarization broadband antenna according to claim 1 is characterized in that, the opening of the opening of the first opening ring circuit and the second opening ring circuit is towards equidirectional; The opening of the opening of the 3rd opening ring circuit and Fourth Ring shape circuit is towards equidirectional.
4. dual polarization broadband antenna according to claim 1 is characterized in that, the opening of the opening of the first opening ring circuit and the second opening ring circuit is towards rightabout; The opening of the opening of the 3rd opening ring circuit and Fourth Ring shape circuit is towards rightabout.
5. dual polarization broadband antenna according to claim 1; It is characterized in that; Top in the middle of first dielectric-slab offers first rectangular aperture; Bottom in the middle of second dielectric-slab offers second rectangular aperture, and first rectangular aperture and second rectangular aperture insert relatively, and first dielectric-slab and the mutual square crossing of second dielectric-slab are fixed.
6. dual polarization broadband antenna according to claim 1 is characterized in that, the lower edge of the lower edge of first dielectric-slab, second dielectric-slab respectively is provided with at least two outstanding stiff ends.
7. dual polarization broadband antenna according to claim 6; It is characterized in that; The floor is provided with the corresponding rectangular channel of each stiff end with first dielectric-slab and the second dielectric-slab lower edge; First dielectric-slab and second dielectric-slab are fixed on the floor through with each stiff end and the mutual clamping of corresponding rectangular channel.
8. dual polarization broadband antenna according to claim 1 is characterized in that, offers first through hole on first dielectric-slab, and first through hole is positioned at the middle part of one section microstrip line; Offer second through hole on second dielectric-slab, second through hole is positioned at the middle part of one section microstrip line.
9. dual polarization broadband antenna according to claim 1 is characterized in that, the floor is that polygon covers copper dielectric-slab or sheet metal, and cover plate is that regular polygon covers copper dielectric-slab or sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220167414 CN202633519U (en) | 2012-04-19 | 2012-04-19 | Dual polarization broadband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220167414 CN202633519U (en) | 2012-04-19 | 2012-04-19 | Dual polarization broadband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633519U true CN202633519U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220167414 Expired - Fee Related CN202633519U (en) | 2012-04-19 | 2012-04-19 | Dual polarization broadband antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610929A (en) * | 2012-04-19 | 2012-07-25 | 广东博纬通信科技有限公司 | Dual-polarized broadband antenna |
-
2012
- 2012-04-19 CN CN 201220167414 patent/CN202633519U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610929A (en) * | 2012-04-19 | 2012-07-25 | 广东博纬通信科技有限公司 | Dual-polarized broadband antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Zhiguang Inventor after: Luo Cuiqiong Inventor before: Wu Biqun Inventor before: Ye Lianghua Inventor before: Su Zhenhua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU BIQUN YE LIANGHUA SU ZHENHUA TO: ZHANG ZHIGUANG LUO CUIQIONG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20210419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |