CN209981474U - Dual-polarized wall-mounted antenna with multiple frequency bands - Google Patents
Dual-polarized wall-mounted antenna with multiple frequency bands Download PDFInfo
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- CN209981474U CN209981474U CN201920680367.0U CN201920680367U CN209981474U CN 209981474 U CN209981474 U CN 209981474U CN 201920680367 U CN201920680367 U CN 201920680367U CN 209981474 U CN209981474 U CN 209981474U
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Abstract
The utility model discloses a dual-polarization wall-mounted antenna with multiple frequency bands, which comprises an antenna outer cover, a first reflecting plate, a second reflecting plate, a combiner, a low-frequency oscillator, a medium-frequency oscillator, a high-frequency oscillator, a connecting wire and a coaxial cable, wherein the low-frequency oscillator is positioned on the upper side of the first reflecting plate, the medium-frequency oscillator and the high-frequency oscillator are arranged on the lower side of the first reflecting plate in parallel, and the second reflecting plate is arranged between the first reflecting plate and the medium-frequency oscillator and between the first reflecting plate and the high-frequency oscillator and at a certain distance; the coaxial cable carries out filtering feed for each oscillator through the combiner. The utility model overcomes the defect that the existing dual-polarized wall-mounted antenna has less covering frequency range, and can realize the full covering of a plurality of frequency ranges of 698 plus 960MHz, 1710 plus 2700MHz, 3300 plus 3800 MHz; meanwhile, the structure is simple, the cost is low, the electrical property is good, and the method is suitable for mass production.
Description
Technical Field
The utility model relates to a mobile communication antenna technical field especially relates to a double polarization hanging antenna of multifrequency section for 5G indoor coverage.
Background
An indoor distributed antenna is one of antennas of a mobile communication system, and is mainly used for indoor signal coverage. For example, in places such as meeting places, hotels, office buildings and the like which need an indoor distributed system to cover, small indoor antennas are adopted. The dual-polarized wall-mounted antenna is applied to one of indispensable devices of WLAN and LTE wireless communication systems as an indoor distributed antenna, and the quality of the performance of the dual-polarized wall-mounted antenna directly influences the coverage effect of a network. The coverage frequency band of the existing dual-polarized wall-mounted antenna in China is only 698-.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the present invention provides a dual-polarized wall-mounted antenna capable of covering a plurality of frequency bands of 698-.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A dual polarized wall-mounted antenna for multiple frequency bands, comprising: the antenna comprises an antenna outer cover, a first reflecting plate, a second reflecting plate, a combiner, a low-frequency oscillator, a medium-frequency oscillator, a high-frequency oscillator, a connecting wire and a coaxial cable, wherein the first reflecting plate, the second reflecting plate, the combiner, the low-frequency oscillator, the medium-frequency oscillator, the high-frequency oscillator, the low-frequency oscillator and the high-frequency oscillator are arranged in the antenna outer cover; the combiner comprises a first combiner and a second combiner which are completely the same, and the two combiners are respectively fixed on the left side and the right side of the first reflecting plate; the low-frequency oscillator comprises two groups of mutually crossed first dipoles, a first microstrip balun and a first bottom plate, mounting holes are formed in the first dipoles and the first bottom plate, two ends of the first microstrip balun are embedded into the mounting holes in the first dipoles and the first bottom plate and are fixedly connected with the mounting holes, and the first bottom plate is connected with the second combiner through a connecting line; the medium-frequency oscillator comprises two groups of mutually orthogonal symmetrical oscillator II, a first metal column, a second metal column and a bottom plate II, mounting holes are formed in the symmetrical oscillator II and the bottom plate II, two ends of the first metal column and two ends of the second metal column are respectively inserted into the mounting holes of the symmetrical oscillator II and the bottom plate II and are fixed together with the mounting holes, and the bottom plate II is connected with the first combiner through a connecting line for feeding; the high-frequency oscillator comprises two groups of mutually orthogonal symmetrical oscillators III, a coupling unit, a third metal column, a fourth metal column and a third bottom plate, the coupling unit is positioned above the symmetrical oscillator III, mounting holes are formed in the symmetrical oscillator III and the third bottom plate, two ends of the third metal column and two ends of the fourth metal column are respectively inserted into the mounting holes in the symmetrical oscillator III and the third bottom plate and are fixed with the mounting holes, and the three bottom plates are connected with the first combiner through connecting lines for feeding; the coaxial cable is connected with the combiner to feed the whole antenna.
More preferably, the antenna housing includes a housing and a housing base assembled together, and the housing base and the reflection plate are fixed together by screws.
More preferably, an upturned side edge is provided at an edge of the first reflection plate and the second reflection plate.
More preferably, the coupling unit is a printed vibrator printed on a PCB, and the coupling unit has a circular ring shape.
More preferably, the microstrip balun is formed by two mutually orthogonal PCB boards, one surface of each PCB board is provided with a conductor layer for conducting the first dipole and the first bottom board, and the other surface is provided with a microstrip line for performing coupling feed on the first dipole.
More preferably, the material of the first dipole is copper.
More preferably, the second dipole and the third dipole are both printed dipoles printed on a PCB.
More preferably, both ends of the microstrip balun are soldered and fixed with the first dipole and the first base plate.
More preferably, two ends of the first metal column and the second metal column are respectively soldered and fixed with the second dipole and the second bottom plate;
and two ends of the third metal column and the fourth metal column are respectively fixed with the third symmetrical vibrator and the bottom plate through three-tin soldering.
More preferably, the first board is connected to the second combiner through a first connection line and a second connection line.
The utility model has the advantages that:
the whole dual-polarized wall-mounted antenna is composed of an outer cover, a first reflecting plate, a second reflecting plate, a combiner, a low-frequency oscillator, a medium-frequency oscillator, a high-frequency oscillator, a connecting wire and a coaxial cable, wherein the combiner filters and feeds each oscillator, the defect that the existing dual-polarized wall-mounted antenna is few in coverage frequency band is overcome, multiple frequency bands of 698 plus 960MHz, 1710 plus 2700MHz and 3300 plus 3800MHz can be fully covered, and the dual-polarized wall-mounted antenna is particularly suitable for indoor coverage of 5G signals.
And the low-frequency oscillator, the medium-frequency oscillator and the high-frequency oscillator are organically combined and distributed in the same outer cover by arranging the first reflecting plate and the second reflecting plate and combining a special feed structure, so that the structure is simple, the cost is low, the electrical property is good, and the high-frequency oscillator is suitable for mass production.
And thirdly, flanges are arranged at the edges of the first reflecting plate and the second reflecting plate, so that the lobe width can be conveniently adjusted, and the practicability is high.
Drawings
Fig. 1 shows the structure schematic diagram of the dual-polarized wall-mounted antenna provided by the present invention.
Fig. 2 is an exploded view of the dual-polarized wall-mounted antenna according to the present invention.
Description of reference numerals:
1: antenna housing, 2: first reflecting plate, 3: a second reflecting plate, 4: combiner, 5: low-frequency oscillator, 6: intermediate frequency oscillator, 7: high-frequency oscillator, 8: connecting wire, 9: a coaxial cable.
1-1: housing, 1-2: a housing base.
4-1: first combiner, 4-2: and a second combiner.
5-1: dipole one, 5-2: microstrip balun, 5-3: and a first bottom plate.
6-1: dipole two, 6-2: first metal pillar, 6-3: second metal pillar, 6-4: and a second bottom plate.
7-1: dipole three, 7-2: coupling unit, 7-3: third metal pillar, 7-4: fourth metal pillar, 7-5: and a third bottom plate.
9-1: first coaxial cable, 9-2: a second coaxial cable.
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 and 2, a multi-band dual-polarized wall-mounted antenna comprises an antenna housing 1, a first reflecting plate 2, a second reflecting plate 3, a combiner 4, a low-frequency oscillator 5, a medium-frequency oscillator 6, a high-frequency oscillator 7, a connecting wire 8 and a coaxial cable 9, wherein the low-frequency oscillator 5 is located on the upper side of the first reflecting plate 2, the medium-frequency oscillator 6 and the high-frequency oscillator 7 are arranged on the lower side of the first reflecting plate 2 in parallel, the second reflecting plate 3 is arranged between the first reflecting plate 2 and the medium-frequency oscillator 6 and the high-frequency oscillator 7 and is spaced from the first reflecting plate 2 by a stud at a distance, and meanwhile, the stud also plays a role in fixing the second reflecting plate. The antenna housing 1 comprises a housing 1-1 and a housing base 1-2, and the housing base 1-2 and the reflector plate I2 are fixed together through screws. The combiner 4 comprises a first combiner 4-1 and a second combiner 4-2 which are completely the same, and the two combiners are fixed on the left side and the right side of the first reflecting plate 2 through screws and can be used for feeding each oscillator. The low-frequency oscillator 5 comprises two groups of mutually crossed symmetrical oscillators I5-1, a micro-strip balun 5-2 and a bottom plate I5-3, mounting holes are formed in the symmetrical oscillator 5-1 and the bottom plate I5-3, the micro-strip balun 5-2 is embedded into the mounting holes and is fixedly connected with the symmetrical oscillator 5-1 and the bottom plate I5-3 through soldering tin, and the bottom plate I5-3 is connected with the combiner 4 through a connecting wire 8. The medium-frequency oscillator 6 comprises two groups of mutually orthogonal symmetrical oscillators 6-1, a first metal column 6-2, a second metal column 6-3 and a bottom plate 6-4, circular holes are formed in the symmetrical oscillator 6-1 and the bottom plate 6-4, and the first metal column 6-2, the second metal column 6-3 and a connecting line fix the symmetrical oscillator 6-1 and the bottom plate 6-4 together through soldering tin and are connected with the combiner 4 for feeding. The high-frequency oscillator 7 comprises two groups of mutually orthogonal symmetrical oscillators III 7-1, a coupling unit 7-2, a third metal column 7-3, a fourth metal column 7-4 and a bottom plate III 7-5, the coupling unit 7-2 is positioned above the symmetrical oscillator III 7-1, circular holes are formed in the symmetrical oscillator III 7-1 and the bottom plate III 7-5, and the third metal column 7-3, the fourth metal column 7-4 and a connecting line fix the symmetrical oscillator III 7-1 and the bottom plate III 7-5 together through soldering tin and are connected with the combiner 4 for feeding; the coaxial cable 9 includes a first coaxial cable 9-1 and a second coaxial cable 9-2 which are connected to the combiner 4 by solder to feed the entire antenna.
Preferably, the edges of the first reflection plate 2 and the second reflection plate 3 are provided with side edges turned upwards so as to adjust the lobe width.
Preferably, the coupling unit 7-2 on the high-frequency oscillator 7 is a printed oscillator printed on a PCB and has a circular ring shape.
Preferably, the microstrip balun 5-2 is formed by two mutually orthogonal PCB boards, one side of each PCB board is provided with a conductor layer for conducting the first dipole and the first bottom board, and the other side is provided with a microstrip line for coupling feeding the first dipole.
Preferably, the material of the first dipole in the low-frequency dipole 5 is copper.
Preferably, the dipoles in the high-frequency oscillator 7 and the medium-frequency oscillator 6 are both printed oscillators printed on a PCB.
The whole antenna is composed of the outer cover, the first reflecting plate, the second reflecting plate, the combiner, the low-frequency oscillator, the medium-frequency oscillator, the high-frequency oscillator, the connecting line and the coaxial cable, the combiner filters and feeds the low-frequency oscillator, the defect that the coverage frequency range of the existing dual-polarization wall-mounted antenna is few is overcome, and the full coverage of multiple frequency ranges of 698 plus 960MHz, 1710 plus 2700MHz and 3300 plus 3800MHz at an angle of +/-45 degrees can be realized. Particularly, the low-frequency oscillator, the medium-frequency oscillator and the high-frequency oscillator are organically combined and distributed in the same outer cover by arranging the first reflecting plate and the second reflecting plate and combining a special feed structure, so that the high-frequency oscillator is simple in structure, low in cost, good in electrical property and suitable for mass production.
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 (10)
1. A dual polarized wall-mounted antenna for multiple frequency bands, comprising: the antenna comprises an antenna outer cover, a first reflecting plate, a second reflecting plate, a combiner, a low-frequency oscillator, a medium-frequency oscillator, a high-frequency oscillator, a connecting wire and a coaxial cable, wherein the first reflecting plate, the second reflecting plate, the combiner, the low-frequency oscillator, the medium-frequency oscillator, the high-frequency oscillator, the low-frequency oscillator and the high-frequency oscillator are arranged in the antenna outer cover; the combiner comprises a first combiner and a second combiner which are completely the same, and the two combiners are respectively fixed on the left side and the right side of the first reflecting plate; the low-frequency oscillator comprises two groups of mutually crossed first dipoles, a first microstrip balun and a first bottom plate, mounting holes are formed in the first dipoles and the first bottom plate, two ends of the first microstrip balun are embedded into the mounting holes in the first dipoles and the first bottom plate and are fixedly connected with the mounting holes, and the first bottom plate is connected with the second combiner through a connecting line; the medium-frequency oscillator comprises two groups of mutually orthogonal symmetrical oscillator II, a first metal column, a second metal column and a bottom plate II, mounting holes are formed in the symmetrical oscillator II and the bottom plate II, two ends of the first metal column and two ends of the second metal column are respectively inserted into the mounting holes of the symmetrical oscillator II and the bottom plate II and are fixed together with the mounting holes, and the bottom plate II is connected with the first combiner through a connecting line for feeding; the high-frequency oscillator comprises two groups of mutually orthogonal symmetrical oscillators III, a coupling unit, a third metal column, a fourth metal column and a third bottom plate, the coupling unit is positioned above the symmetrical oscillator III, mounting holes are formed in the symmetrical oscillator III and the third bottom plate, two ends of the third metal column and two ends of the fourth metal column are respectively inserted into the mounting holes in the symmetrical oscillator III and the third bottom plate and are fixed with the mounting holes, and the three bottom plates are connected with the first combiner through connecting lines for feeding; the coaxial cable is connected with the combiner to feed the whole antenna.
2. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: the antenna housing comprises a housing and a housing base which are assembled together, and the housing base and the reflecting plate are fixed together through screws.
3. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: and the edges of the first reflecting plate and the second reflecting plate are provided with upturned side edges.
4. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: the coupling unit is a printed vibrator printed on a PCB, and the shape of the coupling unit is circular.
5. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: the microstrip balun is composed of two mutually orthogonal PCB boards, one surface of each PCB board is provided with a conductor layer for conducting the first symmetrical oscillator and the first bottom board, and the other surface of each PCB board is provided with a microstrip line for coupling and feeding the first symmetrical oscillator.
6. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: the first dipole is made of copper.
7. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: and the second symmetrical vibrator and the third symmetrical vibrator are both printed vibrators printed on a PCB.
8. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: and two ends of the microstrip balun are fixed with the first dipole and the first bottom plate through tin soldering.
9. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: two ends of the first metal column and the second metal column are respectively fixed with the second symmetrical vibrator and the second bottom plate in a soldering mode;
and two ends of the third metal column and the fourth metal column are respectively fixed with the third symmetrical vibrator and the bottom plate through three-tin soldering.
10. The multiband dual-polarized wall-mounted antenna according to claim 1, wherein: the first bottom plate is connected with the second combiner through a first connecting line and a second connecting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680367.0U CN209981474U (en) | 2019-05-13 | 2019-05-13 | Dual-polarized wall-mounted antenna with multiple frequency bands |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680367.0U CN209981474U (en) | 2019-05-13 | 2019-05-13 | Dual-polarized wall-mounted antenna with multiple frequency bands |
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| Publication Number | Publication Date |
|---|---|
| CN209981474U true CN209981474U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920680367.0U Active CN209981474U (en) | 2019-05-13 | 2019-05-13 | Dual-polarized wall-mounted antenna with multiple frequency bands |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN113285219A (en) * | 2021-07-23 | 2021-08-20 | 华南理工大学 | Three-frequency common-aperture fusion antenna, fusion method and communication equipment |
-
2019
- 2019-05-13 CN CN201920680367.0U patent/CN209981474U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN113285219A (en) * | 2021-07-23 | 2021-08-20 | 华南理工大学 | Three-frequency common-aperture fusion antenna, fusion method and communication equipment |
| CN113285219B (en) * | 2021-07-23 | 2021-10-26 | 华南理工大学 | Three-frequency common-aperture fusion antenna, fusion method and communication equipment |
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Effective date of registration: 20220622 Address after: 528100 No. 20-1 (F4) Private Science Park, Nanfeng Avenue, Southwest Street, Sanshui District, Foshan City, Guangdong Province Patentee after: FOSHAN SHENGFU COMMUNICATION EQUIPMENT CO.,LTD. Patentee after: Guangdong Shenglu Communication Co., Ltd Address before: 528100 No. 20-1 (F4) Private Science Park, Nanfeng Avenue, Southwest Street, Sanshui District, Foshan City, Guangdong Province Patentee before: FOSHAN SHENGFU COMMUNICATION EQUIPMENT CO.,LTD. |