CN210074147U - Low-frequency dual-polarized oscillator - Google Patents
Low-frequency dual-polarized oscillator Download PDFInfo
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- CN210074147U CN210074147U CN201920908984.1U CN201920908984U CN210074147U CN 210074147 U CN210074147 U CN 210074147U CN 201920908984 U CN201920908984 U CN 201920908984U CN 210074147 U CN210074147 U CN 210074147U
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Abstract
The utility model discloses a low frequency dual polarization oscillator, include: unable adjustment base and even setting are in four irradiators on the unable adjustment base, each the irradiator includes: the antenna comprises a fixed base, a feeding arm pair and a vibrator arm pair, wherein the feeding arm pair extends upwards and outwards from the fixed base, the vibrator arm pair extends from the feeding arm pair, the feeding arm pair comprises a first feeding arm and a second feeding arm which are arranged in parallel, and the vibrator arm pair comprises a first vibrator arm extending from the top of the first feeding arm and a second vibrator arm extending from the top of the second feeding arm; the antenna is characterized in that the projection of each oscillator arm and the corresponding feed arm on the plane where the fixed base is located forms an angle of 45 degrees, and the eight oscillator arms are arranged into a square with side length and a disconnected middle part. The utility model can effectively reduce the aperture of the low-frequency dual-polarized oscillator, is beneficial to realizing the miniaturization of the antenna and reduces the occupied space resources; meanwhile, the performance influence of the low-frequency oscillator on the high-frequency oscillator when high-frequency and low-frequency are nested is reduced.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a low frequency dual polarization oscillator.
Background
With the continuous development of mobile communication, the requirements of the existing wireless communication system on the base station antenna are higher and higher, and not only the electrical requirements of the antenna are stricter, but also the requirements on the overall size of the antenna are stricter. Because the volume of low frequency dual polarization oscillator is great, the volume of high frequency dual polarization oscillator is less, for reducing the volume of base station antenna, usually with high frequency dual polarization oscillator nestification in low frequency dual polarization oscillator. However, the low-frequency dual-polarized oscillator can shield the high-frequency dual-polarized oscillator, so that the performance of the high-frequency dual-polarized oscillator is affected, and therefore how to reduce the influence of the low-frequency dual-polarized oscillator on the high-frequency dual-polarized oscillator and improve the high-frequency performance becomes an important subject of those skilled in the art.
Disclosure of Invention
An object of the utility model is to provide a pair of bore is little and when nested to the little low frequency dual polarization oscillator of high frequency oscillator performance influence.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A low frequency dual polarized vibrator, comprising: unable adjustment base and even setting are in four irradiators on the unable adjustment base, each the irradiator includes: the antenna comprises a fixed base, a feeding arm pair and a vibrator arm pair, wherein the feeding arm pair extends upwards and outwards from the fixed base, the vibrator arm pair extends from the feeding arm pair, the feeding arm pair comprises a first feeding arm and a second feeding arm which are arranged in parallel, and the vibrator arm pair comprises a first vibrator arm extending from the top of the first feeding arm and a second vibrator arm extending from the top of the second feeding arm; the antenna is characterized in that the projection of each oscillator arm and the corresponding feed arm on the plane where the fixed base is located forms an angle of 45 degrees, and the eight oscillator arms are arranged into a square with side length and a disconnected middle part.
More preferably, the total length of each of the feeding arms is 0.2-0.3 operating wavelengths, and the height of each of the feeding arms in the vertical direction is 60-68 mm.
More preferably, a line card for fixing a coaxial line is installed at a middle portion of the pair of feeding arms.
More preferably, the first oscillator arm is provided with a first groove welded to the coaxial line inner conductor, and the second feed arm is provided with two second grooves welded to the coaxial line outer metal shielding layer.
More preferably, a loading column extending downwards is arranged at one end of each oscillator arm far away from the corresponding feed arm.
More preferably, the loading column and the corresponding vibrator arm are of an integral structure formed by die casting.
More preferably, a plurality of fixing bolts are arranged on the fixing seat.
More preferably, an arch structure for placing the power splitting plate is arranged between two adjacent radiators, and the power splitting plate is a power splitting device of the nested high-frequency oscillator.
More preferably, the two opposite radiators are symmetrical along the center line of the base.
The utility model has the advantages that:
because each oscillator arm and the projection of the corresponding feed arm on the plane of the fixed base form an angle of 45 degrees, and the eight oscillator arms are arranged into a square with a side length and a broken middle part, the aperture of the low-frequency dual-polarized oscillator can be effectively reduced, the miniaturization of the antenna is facilitated, and the occupied space resource is reduced. Meanwhile, the influence of the low-frequency oscillator on the performance of the high-frequency oscillator when high-frequency and low-frequency are nested is reduced, the production cost of the antenna is reduced, and the performance is more excellent.
Drawings
Fig. 1 is a perspective view of the low-frequency dual-polarized oscillator provided by the present invention.
Fig. 2 is a top view of the low-frequency dual-polarized oscillator provided by the present invention.
Fig. 3 is a side view of the low-frequency dual-polarized oscillator provided by the present invention.
Description of reference numerals:
1: first radiator, 2: second radiator, 3: third radiator, 4: fourth radiator, 1-1: first feeding arm, 1-2: second feeding arm, 1-1 a: first vibrator arm, 1-2 a: second vibrator arm, 5: fixed base, 6: fixing bolt, 7: arch structure, 8: oscillator arm pair, 9-1: coaxial line groove, 9-2: coaxial line inner conductor groove, 10: a pair of feeding arms.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
As shown in fig. 1-3, a low-frequency dual-polarized antenna includes a fixed base 5, a first radiator 1, a second radiator 2, a third radiator 3, and a fourth radiator 4 extending upward and outward from the fixed base 5, wherein each radiator is uniformly disposed and includes a pair of feeding arms 10 and a pair of radiator arms 8 extending from a corresponding pair of feeding arms 10.
The feeding arm pair 10 is divided into a first feeding arm 1-1 and a second feeding arm 1-2 which are arranged in parallel, and the oscillator arm pair 8 is divided into a first oscillator arm 1-1a and a second oscillator arm 1-2 a. The first vibrator arm 1-1a extends from the first feed arm 1-1 of the feed arm pair, extends towards another adjacent feed arm pair and then bends downwards to form a loading column, the second vibrator arm 1-2a extends from the second feed arm 1-2 of the feed arm pair 10, extends towards another adjacent feed arm pair and then bends downwards to form a loading column, each vibrator arm and the corresponding feed arm form an angle of 45 degrees in projection on the plane of the fixed base 5, and eight vibrator arms are arranged in a square with a broken side length and a broken middle side length.
In this embodiment, the total length of the feeding arm pair 10 is preferably two to three operating wavelengths at zero, and the height of the feeding arm pair 10 in the vertical direction is preferably sixty millimeters to sixty-eight millimeters, so as to ensure the radiation performance of the oscillator.
Preferably, a line card is installed at a middle portion of the pair of feeding arms for fixing a coaxial line.
Preferably, a coaxial inner conductor groove 9-2 is formed at the welding position of the first oscillator arm 1-1a and the coaxial inner conductor, so that the coaxial inner conductor and the oscillator arm can be conveniently welded.
Preferably, a coaxial line groove 9-1 for accommodating a coaxial line is arranged on the outer side of the second feeding arm 1-2, and the coaxial line groove 9-1 has two positions for welding a coaxial line external metal shielding layer with the second feeding arm 1-2.
Preferably, one end of each pair of oscillator arms is respectively fixed at two ends of the top of the feed arm, and the other end is bent downwards to form a loading column, so as to ensure the performance and miniaturization of the antenna.
It is further preferred that three fixing bolts 6 are provided on the fixing base 5, and an arch structure 7 is provided between the third radiator 3 and the fourth radiator 4 for placing a power splitting plate connecting the high frequency oscillators nested in the middle of the oscillators.
Compared with the prior art, according to the low-frequency dual-polarized oscillator provided by the embodiment, because each oscillator arm and the corresponding feed arm form an angle of 45 degrees in projection on the plane where the fixed base is located, and the eight oscillator arms are arranged into a square with a side length and a broken middle part, the aperture of the low-frequency dual-polarized oscillator can be effectively reduced, the miniaturization of an antenna is facilitated, and occupied space resources are reduced; meanwhile, the performance influence of the low-frequency oscillator on the high-frequency oscillator when high-frequency and low-frequency are nested is reduced. In addition, through loading and integrated die casting technology, the structure of the antenna is effectively simplified, the production cost of the antenna is reduced, and the performance is more excellent.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (8)
1. A low frequency dual polarized vibrator, comprising: unable adjustment base and even setting are in four irradiators on the unable adjustment base, each the irradiator includes: the antenna comprises a fixed base, a feeding arm pair and a vibrator arm pair, wherein the feeding arm pair extends upwards and outwards from the fixed base, the vibrator arm pair extends from the feeding arm pair, the feeding arm pair comprises a first feeding arm and a second feeding arm which are arranged in parallel, and the vibrator arm pair comprises a first vibrator arm extending from the top of the first feeding arm and a second vibrator arm extending from the top of the second feeding arm; the antenna is characterized in that the projection of each vibrator arm and the corresponding feed arm on the plane of the fixed base forms an angle of 45 degrees, and the eight vibrator arms are arranged into a square with long sides and disconnected middle; the first oscillator arm is provided with a first groove welded with the coaxial line inner conductor, and the second feed arm is provided with two second grooves welded with the coaxial line outer metal shielding layer.
2. A low frequency dual polarized oscillator as claimed in claim 1, wherein the total length of each of said feeding arms is 0.2-0.3 operating wavelengths, and the height of each of said feeding arms in the vertical direction is 60-68 mm.
3. A low frequency dual polarized vibrator according to claim 1, wherein a line clip for fixing a coaxial line is installed at a middle portion of the feeding arm pair.
4. A low frequency dual polarized oscillator as claimed in claim 1, wherein a downwardly extending loading post is provided at an end of each oscillator arm remote from the corresponding feed arm.
5. A low-frequency dual-polarized vibrator according to claim 4, wherein the loading columns and the corresponding vibrator arms are of an integrated structure formed by die-casting.
6. A low frequency dual polarized vibrator according to claim 1, wherein a plurality of fixing bolts are provided on said fixing base.
7. A low frequency dual polarized oscillator as claimed in claim 1, wherein an arch structure for placing a power dividing plate is provided between two adjacent radiators, and the power dividing plate is a power dividing device of the nested high frequency oscillator.
8. A low frequency dual polarized vibrator according to claim 1, wherein two opposite radiators are symmetrical along a center line of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908984.1U CN210074147U (en) | 2019-06-17 | 2019-06-17 | Low-frequency dual-polarized oscillator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908984.1U CN210074147U (en) | 2019-06-17 | 2019-06-17 | Low-frequency dual-polarized oscillator |
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| CN210074147U true CN210074147U (en) | 2020-02-14 |
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| CN201920908984.1U Active CN210074147U (en) | 2019-06-17 | 2019-06-17 | Low-frequency dual-polarized oscillator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490622A (en) * | 2020-11-17 | 2021-03-12 | 湖北三江航天险峰电子信息有限公司 | Cantilever type array antenna assembling and welding process method |
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2019
- 2019-06-17 CN CN201920908984.1U patent/CN210074147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490622A (en) * | 2020-11-17 | 2021-03-12 | 湖北三江航天险峰电子信息有限公司 | Cantilever type array antenna assembling and welding process method |
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Effective date of registration: 20220622 Address after: 528100 No. 4 Jinye Second Road, Southwest Industrial Park, Sanshui District, Foshan City, Guangdong Province Patentee after: GUANGDONG SHENGLU TELECOMMUNICATION TECH. Co.,Ltd. Patentee after: Guangdong Shenglu Communication Co., Ltd Address before: 528100 No. 4 Jinye Second Road, Southwest Industrial Park, Sanshui District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHENGLU TELECOMMUNICATION TECH. Co.,Ltd. |