CN115458887B - High-performance multichannel same-frequency combiner and assembly method thereof - Google Patents
High-performance multichannel same-frequency combiner and assembly method thereof Download PDFInfo
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- CN115458887B CN115458887B CN202211063522.7A CN202211063522A CN115458887B CN 115458887 B CN115458887 B CN 115458887B CN 202211063522 A CN202211063522 A CN 202211063522A CN 115458887 B CN115458887 B CN 115458887B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 77
- 238000005859 coupling reaction Methods 0.000 claims abstract description 77
- 230000008878 coupling Effects 0.000 claims abstract description 76
- 229910052751 metal Inorganic materials 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 38
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 30
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 30
- 239000004033 plastic Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/007—Manufacturing frequency-selective devices
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The application provides a high-performance multichannel same-frequency combiner and an assembly method thereof, wherein the combiner comprises a metal shell, the metal shell forms a cavity with an upper opening, one side surface of the metal shell is provided with a plurality of input interfaces, and the other opposite side surface is provided with at least one output interface; the cavity is internally provided with at least one all-in-one coupling piece, the all-in-one coupling piece comprises a plurality of input branches and an output branch, each input branch is connected with one input interface, and each output branch is connected with one output interface; the all-in-one coupling piece is supported and fixed through the PTFE bracket. The signal same-frequency combination of a plurality of channels can be realized by arranging the all-in-one coupling piece and connecting with an input interface and an output interface on the metal shell. The PTFE support is arranged to fix the coupling piece, so that the structure is stable and reliable, and the combination installation of a plurality of same-frequency combiners can be realized rapidly.
Description
Technical Field
The present application relates to wireless communication technologies, and in particular, to a high performance multichannel co-channel combiner and an assembling method thereof.
Background
With the development of 4G and 5G mobile communication technologies, miniaturization and integration are the development trend of communication devices. The combiner is a frequency selecting device for filtering transmission signals, is widely applied to equipment such as radio frequency and microwave receiving and transmitting components of a wireless base station and a radio frequency terminal, and is a mainstream scheme of a 4G and 5G antenna feed system by virtue of the advantages of small size and low cost. The multichannel same-frequency combiner is a novel same-frequency combiner, has a signal monitoring function in a plurality of channels, and can adjust the frequency under a corresponding working mode by changing the physical size. The coupling piece fixing structure of the existing common-frequency combiner is generally complex, such as the structures disclosed in patent numbers CN113394531a and CN104022325A, resulting in complex manufacturing process and assembly process and higher equipment cost.
Disclosure of Invention
The application aims to provide a high-performance multichannel same-frequency combiner and an assembly method thereof, which can realize signal input and output of a plurality of channels and simplify the assembly process.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
According to an aspect of the present application, there is provided a high-performance multichannel co-channel combiner, including a metal housing, the metal housing forming a cavity with an upper opening, one side of the metal housing being provided with a plurality of input interfaces, and the opposite other side being provided with at least one output interface;
the cavity is internally provided with at least one all-in-one coupling piece, the all-in-one coupling piece comprises a plurality of input branches and an output branch, each input branch is connected with one input interface, and each output branch is connected with one output interface;
the novel plastic coupling piece comprises a metal shell, and is characterized by further comprising a PTFE support, wherein a coupling hole is formed in the all-in-one coupling piece, the PTFE support penetrates through the coupling hole, one end of the PTFE support is arranged in a fixed blind hole in the metal shell, and a plastic clamping ring is sleeved at the other end of the PTFE support.
In an embodiment, a filtering coupling piece is further disposed in the cavity, the filtering coupling piece is disposed on a side surface of the all-in-one coupling piece, one end of the filtering coupling piece is connected with a resistor, and the other end of the filter is connected with one output interface.
In one embodiment, the impedance of the filter coupling piece is 45 ohms to 55 ohms.
In one embodiment, the filter coupling piece is provided with a tuning screw.
In one embodiment, the all-in-one coupling piece is fixed at the middle position in the height direction in the cavity.
In one embodiment, the ends of the all-in-one coupling piece are configured in a notch shape for welding with connectors within the input interface and the output interface.
In one embodiment, the upper opening cover of the metal shell is provided with a metal cover plate.
In an embodiment, two four-in-one coupling pieces are arranged in the cavity, each four-in-one coupling piece comprises four input ends and one output end, the two four-in-one coupling pieces are symmetrically arranged, and the filtering coupling piece is arranged between the two four-in-one coupling pieces.
According to another aspect of the present application, there is provided an assembling method of a high performance multi-channel co-channel combiner, comprising the steps of:
penetrating the PTFE support into a coupling hole on the all-in-one coupling piece, and sleeving a plastic clamping ring at the upper end of the PTFE support;
placing the assembled all-in-one coupling piece into the metal shell, and fixing the lower end of the PTFE support into a blind hole on the metal shell;
the input end of the all-in-one coupling piece is welded with the input interface on the metal shell, and the output end of the all-in-one coupling piece is welded with the output interface on the metal shell.
The embodiment of the application has the beneficial effects that: the signal same-frequency combination of a plurality of channels can be realized by arranging the all-in-one coupling piece and connecting with an input interface and an output interface on the metal shell. The PTFE support is arranged to fix the coupling piece, so that the structure is stable and reliable, a plurality of same-frequency combiners can be quickly assembled and installed, and the speed of assembly personnel on the same-frequency combiners can be effectively improved. The requirement on assembly personnel is lower, so that the stability of equipment signal transmission is effectively ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The above features and advantages of the present application will be better understood after reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, the components are not necessarily to scale and components having similar related features or characteristics may have the same or similar reference numerals.
FIG. 1 is an overall schematic top view of an embodiment of the present application;
FIG. 2 is a schematic overall perspective view of an embodiment of the present application;
FIG. 3 is a schematic diagram of an embodiment of an all-in-one coupling piece structure;
FIG. 4 is a schematic view of the structure of a PTFE holder and a plastic snap ring in an embodiment of the present application;
FIG. 5 is a schematic view of a metal housing in an embodiment of the application;
FIG. 6 is a schematic diagram of a filter coupling slice according to an embodiment of the present application;
wherein: 1-a metal housing; 11-blind holes; 2-an input interface; 3-an output interface; 4-all-in-one coupling sheet; 41-input branch; 42-output branch; 43-coupling holes; a 5-PTFE scaffold; 6-a plastic clasp; 7-a filter coupling piece; 71-an output; 72-connecting end; 8-resistors.
Detailed Description
The application is described in detail below with reference to the drawings and the specific embodiments. It is noted that the aspects described below in connection with the drawings and the specific embodiments are merely exemplary and should not be construed as limiting the scope of the application in any way.
As shown in fig. 1 to 6, the embodiment of the application provides a high-performance multichannel same-frequency combiner, which comprises a metal shell 1, wherein the metal shell 1 can be machined or die-cast by metal aluminum materials to form a semi-closed structure with front, rear, left, right and lower five surfaces connected to form a cavity with an upper opening. The upper opening of the metal casing 1 may be covered with a metal cover plate for better electromagnetic shielding. A plurality of input interfaces 2 are provided on one side of the metal housing 1 and at least one output interface 3 is provided on the opposite side.
At least one all-in-one coupling piece 4 is arranged in the cavity, and the all-in-one coupling piece 4 comprises a plurality of input branches 41 and an output branch 42, wherein each input branch 41 is connected with one input interface 2, and each output branch 42 is connected with one output interface 3.
The high-performance multichannel same-frequency combiner further comprises a PTFE (polytetrafluoroethylene) support 5, a coupling hole 43 is formed in the all-in-one coupling piece 4, the PTFE support 5 penetrates through the coupling hole 43, one end of the PTFE support 5 is arranged in a blind hole 11 in the metal shell 1, a plastic clamping ring 6 is sleeved at the other end of the PTFE support 5, so that the all-in-one coupling piece 4 is supported and fixed, and the structure of the PTFE support 5 and the plastic clamping ring 6 is shown in fig. 4.
In a possible embodiment, a filter coupling piece 7 is further disposed in the cavity, the filter coupling piece 7 is disposed on a side surface of the all-in-one coupling piece 4, an output end 72 of the filter coupling piece 7 is connected with a resistor 8, and an input end 71 of the filter coupling piece 7 is connected with one output interface 2. The filter coupling piece 7 can also be supported and fixed by adopting the PTFE support 5 and the plastic clamping ring 6.
The impedance of the filter coupling sheet 7 is 45-55 ohms. In this embodiment, 50 ohms is set to play a good role in isolating electrical properties.
In the present embodiment, the all-in-one coupling piece 4 is fixed at the middle position in the height direction in the cavity, and the end of the all-in-one coupling piece 4 is provided in a notch shape for welding with the connectors in the input interface 2 and the output interface 3. The same-frequency combiner can be realized by adjusting the interval positions and the arrangement modes of the all-in-one coupling sheets 4 and the filtering coupling sheets 7, and the same-frequency combiner can be adjusted by adjusting the length, the width, the thickness, the bending angle and the like of the coupling sheets so as to meet performance indexes. In addition, a tuning screw can be added on the filtering coupling piece 7 to play a role of loading capacitance, so that index requirements of product frequency, echo and the like can be adjusted.
The number of channels is not limited in the present application, and may be, for example, 4-channel input/output, 8-channel input/output, or the like. In this embodiment, two four-in-one coupling pieces are combined to form an 8-channel, each four-in-one coupling piece comprises four input ends and one output end, the two four-in-one coupling pieces are symmetrically arranged, and the filtering coupling piece 7 is arranged between the two four-in-one coupling pieces.
Based on the high-performance multichannel same-frequency combiner, the application also provides an assembly method of the high-performance multichannel same-frequency combiner, which comprises the following steps:
penetrating the PTFE support into a coupling hole on the all-in-one coupling piece, and sleeving a plastic clamping ring at the upper end of the PTFE support;
placing the assembled all-in-one coupling piece into the metal shell, and fixing the lower end of the PTFE support into a blind hole on the metal shell;
the input end of the all-in-one coupling piece is welded with the input interface on the metal shell, and the output end of the all-in-one coupling piece is welded with the output interface on the metal shell.
In summary, the present application provides a high performance multi-channel co-channel combiner and an assembling method thereof, which can realize the co-channel combining of signals of multiple channels by arranging an all-in-one coupling piece and connecting with an input interface and an output interface on a metal housing. The PTFE support is arranged to fix the coupling piece, so that the structure is stable and reliable, a plurality of same-frequency combiners can be quickly assembled and installed, and the speed of assembly personnel on the same-frequency combiners can be effectively improved. The requirement on assembly personnel is lower, so that the stability of equipment signal transmission is effectively ensured.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description is only of preferred embodiments of the application and is not intended to limit the application to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the application.
Claims (1)
1. The high-performance multichannel same-frequency combiner comprises a metal shell, wherein the metal shell forms a cavity with an upper opening, one side surface of the metal shell is provided with a plurality of input interfaces, and the other opposite side surface is provided with at least one output interface; the cavity is internally provided with at least one all-in-one coupling piece, the all-in-one coupling piece comprises a plurality of input branches and an output branch, each input branch is connected with one input interface, and each output branch is connected with one output interface; the PTFE support is provided with a coupling hole, the PTFE support penetrates through the coupling hole, one end of the PTFE support is arranged in a blind hole in the metal shell, and the other end of the PTFE support is sleeved with a plastic clamping ring; the method is characterized by comprising the following steps:
penetrating the PTFE support into a coupling hole on the all-in-one coupling piece, and sleeving a plastic clamping ring at the upper end of the PTFE support;
placing the assembled all-in-one coupling piece into the metal shell, and fixing the lower end of the PTFE support into a blind hole on the metal shell;
the input end of the all-in-one coupling piece is welded with the input interface on the metal shell, and the output end of the all-in-one coupling piece is welded with the output interface on the metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211063522.7A CN115458887B (en) | 2022-08-31 | 2022-08-31 | High-performance multichannel same-frequency combiner and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211063522.7A CN115458887B (en) | 2022-08-31 | 2022-08-31 | High-performance multichannel same-frequency combiner and assembly method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115458887A CN115458887A (en) | 2022-12-09 |
| CN115458887B true CN115458887B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211063522.7A Active CN115458887B (en) | 2022-08-31 | 2022-08-31 | High-performance multichannel same-frequency combiner and assembly method thereof |
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| CN (1) | CN115458887B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700915A (en) * | 2013-12-19 | 2014-04-02 | 武汉虹信通信技术有限责任公司 | Four-input and four-output electric bridge |
| CN207426101U (en) * | 2017-11-22 | 2018-05-29 | 福州同创微波通讯技术有限公司 | A kind of same frequency combiner |
| CN108598651A (en) * | 2017-05-25 | 2018-09-28 | 东莞质研工业设计服务有限公司 | Same frequency combiner with framed band |
| CN111786060A (en) * | 2020-07-22 | 2020-10-16 | 江苏亨鑫科技有限公司 | Filtering branch module, manufacturing process thereof, combiner, power divider and antenna |
| CN113224496A (en) * | 2021-06-03 | 2021-08-06 | 苏州波发特电子科技有限公司 | Cross coupling structure of filter |
| CN113394531A (en) * | 2021-06-29 | 2021-09-14 | 江苏贝孚德通讯科技股份有限公司 | Same-frequency combiner compatible with 5G frequency band |
| CN114824709A (en) * | 2022-04-28 | 2022-07-29 | 广州宸伟网络科技有限公司 | Combiner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9923256B2 (en) * | 2015-02-27 | 2018-03-20 | Viasat, Inc. | Ridge loaded waveguide combiner/divider |
-
2022
- 2022-08-31 CN CN202211063522.7A patent/CN115458887B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700915A (en) * | 2013-12-19 | 2014-04-02 | 武汉虹信通信技术有限责任公司 | Four-input and four-output electric bridge |
| CN108598651A (en) * | 2017-05-25 | 2018-09-28 | 东莞质研工业设计服务有限公司 | Same frequency combiner with framed band |
| CN207426101U (en) * | 2017-11-22 | 2018-05-29 | 福州同创微波通讯技术有限公司 | A kind of same frequency combiner |
| CN111786060A (en) * | 2020-07-22 | 2020-10-16 | 江苏亨鑫科技有限公司 | Filtering branch module, manufacturing process thereof, combiner, power divider and antenna |
| CN113224496A (en) * | 2021-06-03 | 2021-08-06 | 苏州波发特电子科技有限公司 | Cross coupling structure of filter |
| CN113394531A (en) * | 2021-06-29 | 2021-09-14 | 江苏贝孚德通讯科技股份有限公司 | Same-frequency combiner compatible with 5G frequency band |
| CN114824709A (en) * | 2022-04-28 | 2022-07-29 | 广州宸伟网络科技有限公司 | Combiner |
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| Publication number | Publication date |
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| CN115458887A (en) | 2022-12-09 |
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