CN113224487A - 5G wireless communication base station - Google Patents
5G wireless communication base station Download PDFInfo
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- CN113224487A CN113224487A CN202010069129.3A CN202010069129A CN113224487A CN 113224487 A CN113224487 A CN 113224487A CN 202010069129 A CN202010069129 A CN 202010069129A CN 113224487 A CN113224487 A CN 113224487A
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- Prior art keywords
- filter
- base station
- wireless communication
- communication base
- resonator
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- 238000004891 communication Methods 0.000 title claims abstract description 23
- 230000008878 coupling Effects 0.000 claims description 29
- 238000010168 coupling process Methods 0.000 claims description 29
- 238000005859 coupling reaction Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/035—Cooling of active equipments, e.g. air ducts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention relates to a 5G wireless communication base station, which comprises an outer cover, an antenna array, a filter, a shielding cover, a PCB (printed circuit board) and a radiator, wherein the outer cover, the antenna array, the filter, the shielding cover, the PCB and the radiator are sequentially arranged; the external connecting pins of the filter are respectively the cover plate of the filter and the bottom of the filter shell; one external connecting pin of the filter is connected with the antenna, and the other external connecting pin passes through the shielding case to be connected with the PCB. The invention has compact structure, small size and portability.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a 5G wireless communication base station.
Background
The wireless communication base station refers to a radio transceiver station for information transmission between a wireless terminal and a wireless communication switching center in a certain radio coverage area. The receiving mode of the base station is that an antenna receives signals, the signals are transmitted to a PCB through a filter, and specifically, the signals are transmitted to a core network through a low-noise discharge circuit, a digital intermediate frequency module and an optical module in sequence and then through optical fibers. The transmission mode of the base station is that data of a core network is transmitted to a PCB board through optical fibers, and specifically, the data is transmitted to an antenna end through an optical module, a digital intermediate frequency module and a power amplifier circuit in sequence and then is transmitted to the antenna end through a filter for transmission.
The filter used for the mobile communication base station can effectively restrain useless signals and plays the roles of selecting signals, attenuating noise, filtering interference and the like. Dozens of filters are needed for a 5G wireless communication base station, and with the promotion of green energy and the increasing demand for cost reduction, the demand for low-cost filters is increasing. Meanwhile, with the development of miniaturization and lightness of the mobile base station, the filter in the mobile base station is required to be capable of adapting to the narrow assembling space in the 5G base part, and the requirements of smaller structure and better performance are met. Most of the filters used in the mobile communication devices in the prior art are standard components, and the filters are fixed in shape and cannot meet the requirements of a 5G wireless communication base station requiring a smaller structure and the like.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a 5G wireless communication base station for overcoming the above-mentioned drawbacks of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the 5G wireless communication base station comprises an outer cover, an antenna array, a filter, a shielding cover, a PCB and a radiator which are sequentially arranged; the external connecting pins of the filter are respectively the cover plate of the filter and the bottom of the filter shell; one external connecting pin of the filter is connected with the antenna, and the other external connecting pin passes through the shielding case to be connected with the PCB.
Further, the method comprises the following steps:
the filter shell is formed by arranging three or more resonant cavities in a honeycomb manner, and the resonators are positioned on the central axis of each resonant cavity.
Each resonant cavity is a regular cylindrical cavity.
The cylindrical cavity is a cylinder or a regular polygonal cylinder.
When the number of the filters is two or more, the number of resonators of each filter may be the same or different.
The filter is integrally formed with the shield can,
the joint of three or more than three resonant cavities is provided with a screw hole.
The resonator can be rotatably arranged on the cover plate around the axial lead of the resonator and is suspended in the resonator cavity; the resonator coupling surface on the bottom surface of the resonator is opposite to the cavity coupling surface on the bottom of the resonator cavity, when the resonator is rotated, the distance between the resonator coupling surface and the cavity coupling surface is unchanged, and the effective coupling areas of the two coupling surfaces are correspondingly changed.
Compared with the prior art, the filter disclosed by the invention has the advantages of compact structure, small volume and good resonant cavity consistency, and is more suitable for the requirement of miniaturization of a 5G wireless communication base station.
Drawings
FIG. 1 is a schematic diagram of a 5G wireless communication base station according to the present invention;
FIG. 2 is a schematic perspective view of an axial projection of the filter of the present invention;
FIG. 3 is a schematic perspective view of the filter of the present invention taken from the cover plate and projected on the axis;
FIG. 4 is a schematic front view of a front projection of the filter of the present invention;
FIG. 5 is a schematic top plan view of a front projection of the filter of the present invention;
FIG. 6 is a schematic orthographic projection top view of a resonator of a filter of the present invention in the form of a right sided cylinder;
FIG. 7 is a schematic orthographic view of a resonator of a filter according to the present invention;
FIG. 8 is a schematic orthographic cross-sectional view of components in a resonator of a filter according to the present invention;
FIG. 9 is a schematic diagram showing the effective coupling of two coupling surfaces of the top view of the resonant cavity of the filter according to the present invention;
fig. 10 is a schematic axial side projection of a resonator of a filter according to the present invention.
Detailed Description
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a 5G wireless communication base station is a cube and includes an outer cover 1, an antenna array 2, a filter 3, a shielding cover 4, a PCB 5 and a heat sink 6, which are sequentially arranged.
As shown in fig. 2 to 7, the number of the filters may be one or more, each filter includes N resonators 35, and the filter housing 30 of the filter is formed by arranging N resonant cavities 31 in a honeycomb manner, so that the resonant cavities are arranged more compactly, and the overall volume of the filter housing 30 is effectively reduced; the resonators 35 are arranged on the central axis of the resonant cavities 31 one by one, one external connection pin 32 of the filter is connected with the antenna, the other external connection pin 33 penetrates through the shielding case and is connected with the PCB, and N is larger than or equal to 3. The screw holes for fixed installation are arranged at the joints of the three or three resonant cavities as connecting pieces, so that the connecting pieces do not increase the volume of the filter, and the filter is light in weight and small in volume.
When more than two filters are used in the 5G wireless communication base station, the number of resonators of each filter may be the same or different. In this embodiment, two sets of four filters are provided, and each set of four filters may be integrally die-cast, may be individually die-cast, or may be integrally formed with the shield.
As shown in fig. 6 and 7, each resonant cavity 31 is a cylindrical cavity, which may be a cylinder or a regular polygonal cylinder, and the resonant cavity is a circle or a regular polygon when viewed from the top. In the present embodiment, a regular hexahedron is illustrated. In other embodiments, other regular polyhedrons such as regular octahedrons may be used. Because the shape in each resonant cavity is regular and has no abnormal shape, the excellent performance of the filter is ensured.
As shown in fig. 8 to 10, the resonator 35 of the filter is suspended in the resonant cavity by a resilient element 303, such as a disc spring, which is riveted to the cover plate 34, and the resilient element 303 can ensure that the resonator is in close contact with the cover plate surface and cannot rotate after being riveted.
The bottom surface of the resonant cavity 31 is provided with a small boss which is not coaxial with the axis of the resonator and is circular, the top surface of the boss forms a cavity coupling surface 301 which is opposite to the resonator coupling surface 300 which is positioned on the bottom surface of the resonator 35 on the cover plate, and the coupling surface of the resonator and the cavity coupling surface are in any shape except the shape of the circle which takes the axis of the resonator as the center of the circle; the coupling quantity of the filter depends on the distance between the two coupling surfaces and the effective coupling area of the two coupling surfaces; the coupling quantity is inversely proportional to the distance and directly proportional to the area; after the resonator and the cover plate are riveted, the distance between the coupling surface of the resonator and the coupling surface of the cavity is fixed.
Referring to fig. 9, when the direction of the resonator is adjusted, the effective coupling area of the resonator coupling surface and the cavity coupling surface can be changed, so as to achieve the function of adjusting the coupling amount. Therefore, an adjusting screw rod extending outside the resonant cavity of the traditional filter is effectively omitted, the height of the filter is effectively reduced, the filter is miniaturized, the installation space is reduced, the manufacturing cost is reduced, and the filter is more suitable for the requirement of miniaturization of a 5G wireless communication base station.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and such modifications and substitutions are intended to be included within the scope of the appended claims.
Claims (8)
1. A 5G wireless communication base station, characterized in that:
the antenna comprises an outer cover, an antenna array, a filter, a shielding cover, a PCB and a radiator which are sequentially arranged; the external connecting pins of the filter are respectively the cover plate of the filter and the bottom of the filter shell; one external connecting pin of the filter is connected with the antenna, and the other external connecting pin passes through the shielding case to be connected with the PCB.
2. The apparatus of claim 1, wherein: the filter shell is formed by arranging three or more resonant cavities in a honeycomb manner, and the resonators are positioned on the central axis of each resonant cavity.
3. The 5G wireless communication base station according to claim 2, characterized in that: each resonant cavity is a regular cylindrical cavity.
4. A 5G wireless communication base station according to claim 3, characterized in that:
the cylindrical cavity is a cylinder or a regular polygonal cylinder.
5. The 5G wireless communication base station according to claim 1, wherein:
when the number of the filters is two or more, the number of resonators of each filter may be the same or different.
6. The 5G wireless communication base station according to claim 1, characterized in that:
the filter and the shielding case are integrally formed.
7. The 5G wireless communication base station according to claim 2, characterized in that:
the connection parts of three or more than three resonant cavities are provided with screw holes for external fixation.
8. The 5G wireless communication base station according to claim 2, characterized in that:
the resonator can be rotatably arranged on the cover plate around the axis line of the resonator and is suspended in the resonant cavity; the resonator coupling surface on the bottom surface of the resonator is opposite to the cavity coupling surface on the bottom of the resonant cavity, when the resonator is rotated, the distance between the resonator coupling surface and the cavity coupling surface is unchanged, and the effective coupling areas of the two coupling surfaces are correspondingly changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069129.3A CN113224487A (en) | 2020-01-21 | 2020-01-21 | 5G wireless communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069129.3A CN113224487A (en) | 2020-01-21 | 2020-01-21 | 5G wireless communication base station |
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| Publication Number | Publication Date |
|---|---|
| CN113224487A true CN113224487A (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010069129.3A Pending CN113224487A (en) | 2020-01-21 | 2020-01-21 | 5G wireless communication base station |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100079292A (en) * | 2008-12-31 | 2010-07-08 | 주식회사 에이스테크놀로지 | Rf cavity filter for preventing deterioration by pimd and tuning structure applied to the filter |
| CN104782139A (en) * | 2012-11-16 | 2015-07-15 | 株式会社Kmw | Small-sized base station device in mobile communication system |
| EP3035435A1 (en) * | 2014-12-16 | 2016-06-22 | Alcatel Lucent | A resonator, a radio frequency filter and a method of filtering |
| US20160261018A1 (en) * | 2013-11-18 | 2016-09-08 | Huawei Technologies Co., Ltd. | Resonator, Filter, Duplexer, and Multiplexer |
| CN211700520U (en) * | 2020-01-21 | 2020-10-16 | 深圳市大富科技股份有限公司 | 5G wireless communication base station |
-
2020
- 2020-01-21 CN CN202010069129.3A patent/CN113224487A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100079292A (en) * | 2008-12-31 | 2010-07-08 | 주식회사 에이스테크놀로지 | Rf cavity filter for preventing deterioration by pimd and tuning structure applied to the filter |
| CN104782139A (en) * | 2012-11-16 | 2015-07-15 | 株式会社Kmw | Small-sized base station device in mobile communication system |
| US20160261018A1 (en) * | 2013-11-18 | 2016-09-08 | Huawei Technologies Co., Ltd. | Resonator, Filter, Duplexer, and Multiplexer |
| EP3035435A1 (en) * | 2014-12-16 | 2016-06-22 | Alcatel Lucent | A resonator, a radio frequency filter and a method of filtering |
| CN211700520U (en) * | 2020-01-21 | 2020-10-16 | 深圳市大富科技股份有限公司 | 5G wireless communication base station |
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