CN202268481U - Dual-polarization array unit and array antenna - Google Patents
Dual-polarization array unit and array antenna Download PDFInfo
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- CN202268481U CN202268481U CN2011204160707U CN201120416070U CN202268481U CN 202268481 U CN202268481 U CN 202268481U CN 2011204160707 U CN2011204160707 U CN 2011204160707U CN 201120416070 U CN201120416070 U CN 201120416070U CN 202268481 U CN202268481 U CN 202268481U
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Abstract
本实用新型公开了一种双极化阵列单元及阵列天线，属于通讯领域。所述双极化阵列单元包括四个振子和一个底座，四个振子两两对置并形成阵列，每两个对置的振子形成一个极化，每个振子包括两个振子臂和两个巴伦，每个振子臂通过巴伦与底座相连，每个振子臂至少包括一段具有向所述双极化阵列单元中心延伸的内弯段，每个振子臂中的两段内弯段各形成一条连线，两条连线相交且形成的夹角小于90。所述阵列天线包括所述双极化阵列单元。本实用新型实施例是利用所述双极化阵列单元与另一高频阵列单元组成多频共轴天线阵列，通过所述双极化阵列单元能够有效降低对邻近高频辐射单元的影响，从而有效改善高频阵列的辐射特性。
The utility model discloses a dual-polarization array unit and an array antenna, belonging to the communication field. The dual-polarization array unit includes four vibrators and a base, and the four vibrators are opposed in pairs to form an array, and every two opposed vibrators form a polarization, and each vibrator includes two vibrator arms and two bars Each dipole arm is connected to the base through a balun, and each dipole arm includes at least one section with an inward bending section extending toward the center of the dual-polarization array unit, and each dipole arm has two sections of inward bending section each forming a Two connecting lines intersect and form an angle less than 90°. The array antenna includes the dual-polarization array unit. The embodiment of the utility model uses the dual-polarization array unit and another high-frequency array unit to form a multi-frequency coaxial antenna array, and the dual-polarization array unit can effectively reduce the influence on the adjacent high-frequency radiation unit, thereby Effectively improve the radiation characteristics of the high-frequency array.
Description
Technical field
The utility model relates to communication field, particularly a kind of dual-polarized array unit and array antenna.
Background technology
One of industry multifrequency antenna major product is that low frequency cell and high frequency unit design are in the same place at present, forms coaxial antenna of double frequency or the coaxial antenna for base station of multifrequency.Wherein, The basic structure of the coaxial antenna of double frequency is: be designed to low frequency cell (like the 800MHz unit) bowl-shape; In low frequency cell (like the 800MHz unit), place a high frequency unit (like the 2GHz unit); And between two low frequency cell (like the 800MHz unit), place a high frequency unit (like the 2GHz unit), and low frequency cell is generally the dual-polarized array unit, it has two kinds of structures.
As shown in Figure 1; Prior art one said low frequency cell, this low frequency cell comprise that four oscillators 1 ' and 2 ', four oscillators 1 ' of base are opposed in twos and form array; Two opposed oscillators 1 ' form a polarization; So this low frequency cell also is called the dual-polarized array unit, wherein, each oscillator 1 ' comprises two oscillator arms 11 ' and two Ba Lun 12 '; Each oscillator arms 11 ' all is installed on the base 2 ' through its Ba Lun 12 ', and two oscillator arms 11 ' are straight line and are symmetrical set with respect to two Ba Lun 12 '.
As shown in Figure 2, the low frequency cell in the prior art two, the difference of it and prior art one is: each oscillator arms 11 ' in the prior art two is circular arc.
Prior art one, the low frequency cell perspective plane of this structure is big, makes to contain in the coaxial antenna of double frequency of said low frequency cell; The end-to-end distance of low frequency cell is offed normal nearer in its outside high frequency unit; Influence the electric index of this high frequency unit, particularly when the high frequency unit frequency range is higher, need between two low frequency cell, place two high frequency units; At this time; The end of low frequency cell has sheltered from the subregion of its outside high frequency unit, makes influencing each other between them become particularly evident, causes the radiation characteristic of its outside high frequency unit to have received and seriously influences.
Prior art two, the oscillator arms of the low frequency cell of this structure has adopted the circular arc type design, can reduce the influence to high frequency unit to a certain extent with respect to prior art one, but in fact low frequency cell is still bigger to the high frequency unit influence.
As everyone knows, the quality of the radiance of antenna directly has influence on the quality of the quality of antenna, therefore is badly in need of finding a kind of structure that can improve antenna radiation performance.
Summary of the invention
The utility model embodiment provides a kind of dual-polarized array unit and array antenna, to improve the radiance of antenna.Said technical scheme is following:
A kind of dual-polarized array unit comprises: four oscillators and a base, the opposed in twos and formation array of said four oscillators; Per two opposed oscillators form a polarization; Wherein, each oscillator includes two oscillator arms and two Ba Lun, and each oscillator arms all links to each other with base through its Ba Lun; And said relatively two Ba Lun of said two oscillator arms are provided with in opposite directions; Each oscillator arms comprises that at least one section has interior curved section that extends to said dual-polarized array unit center, and curved section respectively forms a line in two sections in said each oscillator, and two lines intersect the angles that form less than 90;
Wherein, said line is meant two straight lines that end points is formed by connecting of arbitrary interior curved section in said each oscillator.
The utility model embodiment also provides a kind of array antenna; Said array antenna comprises a plurality of described dual-polarized array unit and a plurality of high frequency radiations unit; Wherein, Between two said dual-polarized array unit the high frequency radiation unit is set, the set inside high frequency radiation unit of each dual-polarized array unit.
The utility model embodiment also provides other a kind of array antenna; Said array antenna comprises a plurality of described dual-polarized array unit, a plurality of high frequency radiations unit and a plurality of higher-frequency radiating element; Wherein, The set inside higher-frequency radiating element of dual-polarized array unit is provided with the high frequency radiation unit between two dual-polarized array unit.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: compare prior art; The utility model embodiment has interior curved section that extends to said dual-polarized array unit center through in each oscillator arms, being provided with one section; Further; When have said in the dual-polarized array unit application of curved section during to array antenna; Make the distance between said dual-polarized array unit and the adjacent high frequency radiation unit increase, thereby effectively reduce of the influence of said dual-polarized array unit, thereby effectively improve the radiation characteristic of HF array unit this adjacent high frequency radiation unit.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 prior art one low frequency cell structure;
Fig. 2 prior art two low frequency cell structures;
Fig. 3 A is the said dual-polarized array of the utility model one an embodiment unit three-dimensional structure diagram;
Fig. 3 B is the said dual-polarized array of the utility model one an embodiment unit plane structure chart;
Fig. 4 is the structure chart of the said dual-polarized array of another embodiment of the utility model unit;
Fig. 5 is the utility model structure chart of the said dual-polarized array of embodiment unit again;
Fig. 6 A is the three-dimensional structure diagram of the said array antenna of the utility model one embodiment;
Fig. 6 B is the plane structure chart of the said array antenna of the utility model one embodiment;
Fig. 7 A is the three-dimensional structure diagram of the said array antenna of another embodiment of the utility model;
Fig. 7 B is the plane structure chart of the said array antenna of another embodiment of the utility model.
Among Fig. 1 and Fig. 2:
1 ' oscillator, 11 ' oscillator arms, 12 ' Ba Lun, 2 ' base.
Among Fig. 3 A-Fig. 6 B:
1 first oscillator,
The distributing point of 11 first oscillators,
The 1st section oscillator arms of the 21a first oscillator right-hand member, the 1st section oscillator arms of the 21b first oscillator left end,
The 2nd section oscillator arms of the 31a first oscillator right-hand member, the 2nd section oscillator arms of the 31b first oscillator left end,
The 3rd section oscillator arms of the 41a first oscillator right-hand member, the 3rd section oscillator arms of the 41b first oscillator left end,
The loaded segment of the 51a first oscillator right-hand member, the loaded segment of the 51b first oscillator left end,
The Ba Lun of 91 first oscillators;
2 second oscillators,
The distributing point of 12 second oscillators,
The 1st section oscillator arms of the 22a second oscillator left end, the 1st section oscillator arms of the 22b second oscillator right-hand member,
The 2nd section oscillator arms of the 32a second oscillator left end, the 2nd section oscillator arms of the 32b second oscillator right-hand member,
The 3rd section oscillator arms of the 42a second oscillator left end, the 3rd section oscillator arms of the 42b second oscillator right-hand member,
The loaded segment of the 52a second oscillator left end, the loaded segment of the 52b second oscillator right-hand member,
The Ba Lun of 92 second oscillators;
3 the 3rd oscillators,
The distributing point of 13 the 3rd oscillators,
The 1st section oscillator arms of 23a the 3rd oscillator left end, the 1st section oscillator arms of 23b the 3rd oscillator left end,
The 2nd section oscillator arms of 33a the 3rd oscillator left end, the 2nd section oscillator arms of 33b the 3rd oscillator left end,
The 3rd section oscillator arms of 43a the 3rd oscillator left end, the 3rd section oscillator arms of 43b the 3rd oscillator left end,
The loaded segment of 53a the 3rd oscillator left end, the loaded segment of 53b the 3rd oscillator left end,
The Ba Lun of 93 the 3rd oscillators;
4 the 4th oscillators,
The distributing point of 14 the 4th oscillators,
The 1st section oscillator arms of 24a the 4th oscillator left end, the 1st section oscillator arms of 24b the 4th oscillator right-hand member,
The 2nd section oscillator arms of 34a the 4th oscillator left end, the 2nd section oscillator arms of 34b the 4th oscillator right-hand member,
The 3rd section oscillator arms of 44a the 4th oscillator left end, the 3rd section oscillator arms of 44b the 4th oscillator right-hand member,
The loaded segment of 54a the 4th oscillator left end, the loaded segment of 54b the 4th oscillator right-hand member,
The Ba Lun of 94 the 4th oscillators;
100 bases,
A, b, c, d are end points,
The ab line, the cd line,
The α angle,
10 dual-polarized array unit,
20 higher-frequency radiating elements,
30 high frequency radiation unit.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model execution mode is done to describe in detail further below.
The utility model embodiment provides a kind of dual-polarized array unit, comprising: four oscillators and a base, the opposed in twos and formation array of said four oscillators; Per two opposed oscillators form a polarization; Wherein, each oscillator includes two oscillator arms and two Ba Lun, and each oscillator arms all links to each other with base through its Ba Lun; And said relatively two Ba Lun of said two oscillator arms are provided with in opposite directions; Each oscillator arms comprises that at least one section has interior curved section that extends to said dual-polarized array unit center, and curved section respectively forms a line in two sections in said each oscillator, and two lines intersect the angles that form less than 90;
Wherein, said line is meant two straight lines that end points is formed by connecting of arbitrary interior curved section in said each oscillator.
Referring to Fig. 3 A; Also can be referring to Fig. 3 B; The utility model embodiment provides a kind of dual-polarized array unit; This example serves as that the master explains that said dual-polarized array unit comprises four oscillators and a base 100 with Fig. 3 A, and four oscillators are first oscillator to the, four oscillator 1-4 among this routine embodiment; Four opposed in twos and formation arrays of oscillator; Array in the present embodiment can be a circular array, can also be other analogous shapes such as square array or rectangular array, and per two opposed oscillators form a polarization; Particularly; First oscillator 1 and the 3rd oscillator 3 form a polarization in the present embodiment, and second oscillator 2 and the 3rd oscillator 4 form a polarization, and the symmetrical dipole of two pair of orthogonal is formed the radiating element of ± 45 degree polarization; Wherein, Each oscillator (like first oscillator 1) includes two oscillator arms (like oscillator arms 21a, 31a, 41a and oscillator arms 21b, 31b, 41b) and two Ba Lun (like the Ba Lun 91 of first oscillator), and each oscillator arms (like oscillator arms 21a, 31a, 41a) all links to each other with base 100 through its Ba Lun (like Ba Lun 91), and said two oscillator arms (like oscillator arms 21a, 31a, 41a and oscillator arms 21b, 31b, 41b) said relatively two Ba Lun (Ba Lun 91) are provided with in opposite directions; Two oscillator arms (like oscillator arms 21a, 31a, 41a and oscillator arms 21b, 31b, 41b) said relatively two Ba Lun (Ba Lun 91) are symmetrical set described in this example; Said two oscillator arms (like oscillator arms 21a, 31a, 41a and oscillator arms 21b, 31b, 41b) can also the asymmetric setting of said relatively two Ba Lun (Ba Lun 91), and each oscillator arms (like oscillator arms 21a, 31a, 41a) comprises that at least has interior curved section (like a 31a) who extends to said dual-polarized array unit center, wherein; Said dual-polarized array unit center is meant any center in this structure centre line; In the present embodiment, interior curved section (like 31a) can extend to place, said dual-polarized array unit planar central, and interior curved section (like 31a) can also extend at any center in said dual-polarized array unit center line; Curved section (like 31a and 31b) respectively forms a line (referring to ab among Fig. 3 B and cd) in two sections in said each oscillator (like first oscillator 1), and two lines (referring to ab among Fig. 3 B and cd) intersect the angle (referring to Fig. 3 B) of formation less than 90;
Wherein, line is meant the straight line that two end points (referring to end points a and the b among Fig. 3 b) of arbitrary interior curved section (like 31a) in said each oscillator (like first oscillator 1) are formed by connecting.
Compare prior art; The utility model embodiment has interior curved section that extends to place, said dual-polarized array unit planar central through in each oscillator arms, being provided with one section; Further; When have said in the dual-polarized array unit application of curved section during to array antenna; Make the distance between said dual-polarized array unit and the adjacent high frequency radiation unit increase, thereby effectively reduce of the influence of said dual-polarized array unit, thereby effectively improve the radiation characteristic of HF array unit this adjacent high frequency radiation unit.
Shown in Fig. 3 A; In the present embodiment; The structure of each oscillator is basic identical, and each oscillator includes oscillator arms and Ba Lun separately separately, and said each oscillator arms is made up of first section oscillator arms, second section oscillator arms and the 3rd section oscillator arms that head and the tail connect; Wherein, said second section oscillator arms is said interior curved section;
This example is that example is explained with first oscillator 1: the oscillator arms of first oscillator 1 comprises the right oscillator arms of first oscillator and the left oscillator arms of first oscillator; Wherein, The right oscillator arms of first oscillator is the 2nd section oscillator arms 31a and the 3rd section oscillator arms 41a of the first oscillator right-hand member of the 1st section oscillator arms 21a, the first oscillator right-hand member of the first oscillator right-hand member that connected by head and the tail; The 2nd section oscillator arms 31b of the 1st section oscillator arms 21b of the first oscillator left end that the left oscillator arms of first oscillator is connected by head and the tail, the first oscillator left end and the 3rd section oscillator arms 41b of the first oscillator left end form; The left oscillator arms of first oscillator and the right oscillator arms of first oscillator are symmetrical set along the Ba Lun 91 of first oscillator, and the 1st section oscillator arms 21b of the 1st section oscillator arms 21a of the first oscillator right-hand member and the first oscillator left end links to each other with the top of the Ba Lun 91 of first oscillator;
Wherein, The 2nd section oscillator arms 31a of the first oscillator right-hand member and the 2nd section oscillator arms 31b of the first oscillator left end are interior curved section; Promptly the 2nd section oscillator arms 31b of the 2nd of the first oscillator right-hand member the section oscillator arms 31a and the first oscillator left end has the trend of extending to place, said dual-polarized array unit planar central; And two end points a, the b of the 2nd section oscillator arms 31a of the first oscillator right-hand member connect into a line; Two end points c, the d of the 2nd section oscillator arms 31b of the first oscillator left end connect into another line, form angle between two said line ab and the cd, and angle is less than 90;
Accordingly, shown in Fig. 3 b, second oscillator 2 comprises the 1st section oscillator arms 22a of the second oscillator left end; The 2nd section oscillator arms 32a of the second oscillator left end; The 3rd section oscillator arms 42a of the second oscillator left end, the 1st section oscillator arms 22b of the second oscillator right-hand member, the 2nd section oscillator arms 32b of the second oscillator right-hand member; The 3rd section oscillator arms 42b of the second oscillator right-hand member, and the Ba Lun 92 of second oscillator.Wherein, the 2nd section oscillator arms 32a of the second oscillator left end and the 2nd section oscillator arms 32b of the second oscillator right-hand member are interior curved section, and curved section 32a has the structure identical with 31b with interior curved section 31a of first oscillator 1 with 32b in this;
Accordingly; The 3rd oscillator 3 comprises the 1st section oscillator arms 23a of the 3rd oscillator right-hand member; The 2nd section oscillator arms 33a of the 3rd oscillator right-hand member, the 3rd section oscillator arms 43a of the 3rd oscillator right-hand member, the 1st section oscillator arms 23b of the 3rd oscillator left end; The 2nd section oscillator arms 33b of the 3rd oscillator left end, the 3rd section oscillator arms 43b of the 3rd oscillator left end and the Ba Lun 93 of the 3rd oscillator.Wherein, the 2nd section oscillator arms 33a of the 3rd oscillator right-hand member and the 2nd section oscillator arms 33b of the 3rd oscillator left end are interior curved section, and curved section 33a has the structure identical with 31b with interior curved section 31a of first oscillator with 33b in this;
Accordingly; The 4th oscillator 4 comprises the 1st section oscillator arms 24a of the 4th oscillator left end; The 2nd section oscillator arms 34a of the 4th oscillator left end, the 3rd section oscillator arms 44a of the 4th oscillator left end, the 1st section oscillator arms 24b of the 4th oscillator right-hand member; The 2nd section oscillator arms 34b of the 4th oscillator right-hand member, the 3rd section oscillator arms 44b of the 3rd oscillator right-hand member and the Ba Lun 94 of the 4th oscillator.Wherein, the 2nd section oscillator arms 34a of the 3rd oscillator left end and the 2nd section oscillator arms 34b of the 3rd oscillator right-hand member are interior curved section, and curved section 34a has the structure identical with 31b with interior curved section 31a of first oscillator with 34b in this.
Through such design; When said bipolar array element and another when more coaxial dual-band dual-polarized antenna is formed in the unit of high band; Just can reduce of the influence of the oscillator arms of this bipolar array element, thereby can effectively improve the radiation characteristic of high frequency radiation unit the high frequency radiation unit.
Particularly, shown in Fig. 3 B, in this example; Curved section is a straightway in said, i.e. the 2nd of the first oscillator right-hand member the section oscillator arms 31a, the 2nd section oscillator arms 31b of the first oscillator left end; The 2nd section oscillator arms 32a of the second oscillator left end, the 2nd section oscillator arms 32b of the second oscillator right-hand member, the 2nd section oscillator arms 33a of the 3rd oscillator left end; The 2nd section oscillator arms 33b of the 3rd oscillator left end, the 2nd section oscillator arms 34a of the 4th oscillator left end, the 2nd section oscillator arms 34b of the 4th oscillator right-hand member is straightway.
Certainly those skilled in the art can know, said interior curved section is not limited to straightway, and said interior curved section can also be the line segment of arc or arbitrary shape.
Particularly, shown in Fig. 3 A, in this example; In order further to reduce the projected length of oscillator arms, help the miniaturization of antenna array, the end of said each oscillator arms is provided with loaded segment; So reduced the projected length of oscillator arms; Help the miniaturization of antenna array, and then can reduce the mutual idol between antenna radiation unit, improve the radiation characteristic of aerial array and improve the isolation between the two-way polarization;
Shown in Fig. 3 A, the 3rd of the first oscillator right-hand member the section oscillator arms 41a end connecting the loaded segment 51a of the first oscillator right-hand member in this example, and the 3rd section oscillator arms 41b end of the first oscillator left end connecting the loaded segment 51b of the first oscillator left end; The terminal loaded segment 52a that connects the second oscillator left end of the 3rd section oscillator arms 42a of the second oscillator left end, the terminal loaded segment 52b that connects the second oscillator right-hand member of the 3rd section oscillator arms 42b of the second oscillator right-hand member; The terminal loaded segment 53a that connects the 3rd oscillator right-hand member of the 3rd section oscillator arms 43a of the 3rd oscillator right-hand member, the terminal loaded segment 53b that connects the 3rd oscillator left end of the 3rd section oscillator arms 43b of the 3rd oscillator left end; The terminal loaded segment 54a that connects the 4th oscillator left end of the 3rd section oscillator arms 44a of the 4th oscillator left end; The terminal loaded segment 54b that connects the 4th oscillator right-hand member of the 3rd section oscillator arms 44b of the 4th oscillator right-hand member; In this example, the loaded segment 54b of the loaded segment 53b of the loaded segment 52b of the loaded segment 51b of the loaded segment 51a of the first oscillator right-hand member, the first oscillator left end, the loaded segment 52a of the second oscillator left end, the second oscillator right-hand member, the loaded segment 53a of the 3rd oscillator right-hand member, the 3rd oscillator left end, the loaded segment 54a of the 4th oscillator left end and the 4th oscillator right-hand member all rolls over downwards perpendicular to plane, place, said dual-polarized array unit and forms;
Certainly those skilled in the art can know that the loaded segment of the end of said each oscillator arms is not limited to downward bending, and said loaded segment can also be to roll in center position along plane, place, said dual-polarized array unit to form.
The Ba Lun 94 of the Ba Lun 93 of the Ba Lun 92 of the Ba Lun 91 of first oscillator, second oscillator, the 3rd oscillator and the 4th oscillator all is fixed on the ring-like base 100 in the present embodiment, and the base 100 of annular is fixed on the metallic reflection plate.Be respectively arranged with trough below the Ba Lun 94 of Ba Lun 91-the 4th oscillator of first oscillator; Feeder cable is groove laying along the line from base 100 belows; And at the distributing point 11 of first oscillator on Ba Lun 91 tops of first oscillator; The distributing point 13 of the 3rd oscillator on Ba Lun 93 tops of distributing point 12, the three oscillators of second oscillator on Ba Lun 92 tops of second oscillator, and distributing point 14 places of the 4th oscillator on Ba Lun 94 tops of the 4th oscillator give the symmetrical dipole feed; And first oscillator 1 and the 3rd oscillator 3, the second oscillators 2 are identical respectively with the current feed phase of the 4th oscillator 4.
As shown in Figure 4; The said a kind of dual-polarized array of another embodiment of the utility model unit; The utility model embodiment is with the difference of embodiment described in Fig. 3 A: each oscillator arms all is made up of first section oscillator arms and second section oscillator arms that head and the tail are connected in the present embodiment, and wherein, said second section oscillator arms is said interior curved section; All the other structures are identical, and this example of something in common repeats no more;
Particularly; Referring to shown in Figure 4; With first oscillator 1 is that example is explained, the oscillator arms of first oscillator 1 comprises the right oscillator arms of first oscillator and the left oscillator arms of first oscillator, wherein; The 1st section oscillator arms 21a of the first oscillator right-hand member that the right oscillator arms of first oscillator is connected by head and the tail and the 2nd section oscillator arms 31a of the first oscillator right-hand member form, and the left oscillator arms of first oscillator is made up of the 1st section oscillator arms 21b of the first oscillator left end of head and the tail connection and the 2nd section oscillator arms 31b of the first oscillator left end.Wherein, the 2nd section oscillator arms 31b of the 2nd of the first oscillator right-hand member the section oscillator arms 31a and the first oscillator left end is interior curved section.
As shown in Figure 5; The utility model is the said a kind of dual-polarized array of embodiment unit again; The difference of embodiment described in the utility model embodiment and Fig. 3 A is: each oscillator arms described in the present embodiment is made up of one section oscillator arms, and wherein, said one section oscillator arms is said interior curved section; All the other structures are identical, and this example of something in common repeats no more;
Referring to shown in Figure 5; With first oscillator is that example is explained; Particularly; The oscillator arms of first oscillator is the 2nd section oscillator arms 31a of the first oscillator right-hand member, and the left oscillator arms of first oscillator is the 2nd section oscillator arms 31b of the first oscillator left end, and the 2nd section oscillator arms 31b of the 2nd section oscillator arms 31a of the first oscillator right-hand member and the first oscillator left end is interior curved section.
Shown in Fig. 6 A, also can be referring to shown in Fig. 6 B, this example is that example is explained with Fig. 6 A; The described array antenna of present embodiment comprises a plurality of dual-polarized array unit 10 and a plurality of high frequency radiations unit 30, wherein; Between two said dual-polarized array unit 10 high frequency radiation unit 30 is set; The set inside high frequency radiation unit 30 of each dual-polarized array unit 10 in the present embodiment, preferably is provided with a high frequency radiation unit 30 between two said dual-polarized array unit 10; High frequency radiation unit 30 of set inside in each dual-polarized array unit 10; Wherein, the dual-polarized array cellular construction is identical among the structure of the unit of dual-polarized array described in this example 10 and the embodiment 1, and the particular content present embodiment of relevant dual-polarized array unit repeats no more.
Compare prior art; The utility model embodiment has interior curved section that extends to said dual-polarized array unit center through being provided with one section in each oscillator arms in dual-polarized array unit 10; Make the distance between said dual-polarized array unit 10 and the adjacent high frequency radiation unit 30 increase; Thereby effectively reduce the influence of 10 pairs of these adjacent high frequency radiation unit 30, said dual-polarized array unit, thereby effectively improve the radiation characteristic of HF array unit 30.In addition, adopt the utility model can guarantee the independence between each band antenna in the multifrequency antenna design, thereby bring convenience to design.
Shown in Fig. 7 A, also can be referring to shown in Fig. 7 B, this example is that example is explained with Fig. 7 A; Present embodiment also provides another kind of array antenna, comprises dual-polarized array unit 10, higher-frequency radiating element 20 and high frequency radiation unit 30, wherein; Higher-frequency radiating element 20 is positioned at the inside of dual-polarized array unit 10; High frequency radiation unit 30 in the present embodiment, preferably is provided with a high frequency radiation unit 30 between two said dual-polarized array unit 10 between two dual-polarized array unit 10; Higher-frequency radiating element 20 of set inside in each dual-polarized array unit 10; Wherein, the dual-polarized array cellular construction is identical among the structure of the unit of dual-polarized array described in this example 10 and the embodiment 1, and the particular content present embodiment of relevant dual-polarized array unit repeats no more.
Compare prior art; The described array antenna of the utility model embodiment has interior curved section that extends to said dual-polarized array unit center through being provided with one section in each oscillator arms in dual-polarized array unit 10; Make the distance between said dual-polarized array unit 10 and adjacent higher-frequency radiating element 20 and the high frequency radiation unit 30 increase; Thereby effectively reduce the influence of 10 pairs of these adjacent higher-frequency radiating elements 20 in said dual-polarized array unit and high frequency radiation unit 30, thereby effectively improve the radiation characteristic of higher-frequency radiating element 20 and HF array unit 30.In addition, adopt the utility model can guarantee the independence between each band antenna in the multifrequency antenna design, thereby bring convenience to design.
In addition, the utility model embodiment is particularly suitable for present 2GHz frequency range is extended to 1.71GHz～2.69GHz from original 1.71GHz～2.18GHz.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a dual-polarized array unit is characterized in that, comprising: four oscillators and a base; Said four oscillators are opposed in twos and form array, and per two opposed oscillators form a polarization, wherein; Each oscillator includes two oscillator arms and two Ba Lun; Each oscillator arms all links to each other with base through its Ba Lun, and said relatively two Ba Lun of said two oscillator arms are provided with in opposite directions, and each oscillator arms comprises that at least one section has interior curved section that extends to said dual-polarized array unit center; Curved section respectively forms a line in two sections in said each oscillator, and two crossing angles that form of line are less than 90;
Wherein, said line is meant two straight lines that end points is formed by connecting of arbitrary interior curved section in said each oscillator.
2. a kind of according to claim 1 dual-polarized array unit is characterized in that, said interior curved section is straightway or arc.
3. a kind of according to claim 1 dual-polarized array unit is characterized in that, said relatively two Ba Lun of said two oscillator arms are symmetrical set.
4. a kind of according to claim 1 dual-polarized array unit is characterized in that, said each oscillator arms is made up of first section oscillator arms, second section oscillator arms and the 3rd section oscillator arms that head and the tail connect, and wherein, said second section oscillator arms is said interior curved section.
5. a kind of according to claim 1 dual-polarized array unit is characterized in that, said each oscillator arms is made up of first section oscillator arms and second section oscillator arms that head and the tail connect, and wherein, said second section oscillator arms is said interior curved section.
6. a kind of according to claim 1 dual-polarized array unit is characterized in that said each oscillator arms is made up of first section oscillator arms, and wherein, said first section oscillator arms is said interior curved section.
7. a kind of according to claim 1 dual-polarized array unit is characterized in that the end of said each oscillator arms is provided with loaded segment, and said loaded segment is to roll in center position along plane, place, said dual-polarized array unit to form.
8. a kind of according to claim 1 dual-polarized array unit is characterized in that the end of said each oscillator arms is provided with loaded segment, and said loaded segment is perpendicular to the downward folding in plane, place, said dual-polarized array unit and forms.
9. array antenna; It is characterized in that; Said array antenna comprises each claim of a plurality of claim 1-8 described dual-polarized array unit and a plurality of high frequency radiations unit; Wherein, between two said dual-polarized array unit the high frequency radiation unit is set, the set inside high frequency radiation unit of each dual-polarized array unit.
10. array antenna; It is characterized in that; Said array antenna comprises the described dual-polarized array of each claim of a plurality of claim 1-8 unit, a plurality of high frequency radiations unit and a plurality of higher-frequency radiating element; Wherein, the set inside higher-frequency radiating element of dual-polarized array unit is provided with the high frequency radiation unit between two dual-polarized array unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204160707U CN202268481U (en) | 2011-10-27 | 2011-10-27 | Dual-polarization array unit and array antenna |
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| CN2011204160707U CN202268481U (en) | 2011-10-27 | 2011-10-27 | Dual-polarization array unit and array antenna |
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| CN202268481U true CN202268481U (en) | 2012-06-06 |
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| CN103094668A (en) * | 2013-01-14 | 2013-05-08 | 摩比天线技术（深圳）有限公司 | Broadband dual-polarized radiating element and antenna thereof |
| CN103682594A (en) * | 2013-11-14 | 2014-03-26 | 广东通宇通讯股份有限公司 | Low-frequency radiation unit and double-frequency antenna |
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| WO2016078475A1 (en) | 2014-11-18 | 2016-05-26 | 李梓萌 | Miniaturized dipole base station antenna |
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| CN103094668A (en) * | 2013-01-14 | 2013-05-08 | 摩比天线技术（深圳）有限公司 | Broadband dual-polarized radiating element and antenna thereof |
| CN104332697B (en) * | 2013-07-22 | 2019-04-23 | 深圳市大富科技股份有限公司 | Low-frequency vibrator and antenna for base station |
| CN104332697A (en) * | 2013-07-22 | 2015-02-04 | 深圳市大富科技股份有限公司 | Low-frequency oscillator and base station antenna |
| CN103682594A (en) * | 2013-11-14 | 2014-03-26 | 广东通宇通讯股份有限公司 | Low-frequency radiation unit and double-frequency antenna |
| WO2016078475A1 (en) | 2014-11-18 | 2016-05-26 | 李梓萌 | Miniaturized dipole base station antenna |
| CN105990649A (en) * | 2015-02-13 | 2016-10-05 | 摩比天线技术（深圳）有限公司 | Small ultra-wideband dual-polarization radiation unit |
| CN106025555A (en) * | 2016-05-19 | 2016-10-12 | 西安电子科技大学 | Broadband dual polarization dipole antenna |
| EP3280006A1 (en) | 2016-08-03 | 2018-02-07 | Li, Zimeng | A dual polarized antenna |
| CN109075438A (en) * | 2017-08-03 | 2018-12-21 | 深圳市大疆创新科技有限公司 | Circular polarisation dual-band antenna |
| WO2019024054A1 (en) * | 2017-08-03 | 2019-02-07 | 深圳市大疆创新科技有限公司 | Circularly-polarized dual-frequency antenna |
| WO2021135884A1 (en) * | 2019-12-30 | 2021-07-08 | 华为技术有限公司 | Dual-polarized antenna, router, and base station |
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