CN108879049A - A kind of filter coupling process - Google Patents
A kind of filter coupling process Download PDFInfo
- Publication number
- CN108879049A CN108879049A CN201810752909.0A CN201810752909A CN108879049A CN 108879049 A CN108879049 A CN 108879049A CN 201810752909 A CN201810752909 A CN 201810752909A CN 108879049 A CN108879049 A CN 108879049A
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- CN
- China
- Prior art keywords
- coupling
- filter
- casing
- resonator
- partition
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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 invention discloses a kind of filter coupling process, including casing of filter, the casing of filter is cylindrical structure, it by partition is respectively the first resonator cavities and the second resonator cavities in casing of filter, casing of filter both ends are respectively corresponded equipped with the first cover board, the second cover board, are equipped with coupling structure of filter in the first resonator cavities and the second resonator cavity body；Partition described in the coupling structure of filter is equipped with around equipped with multiple coupling windows, it is equipped with coupling in the first resonator cavities of partition side or the second resonator cavity body and adjusts ring flat-plate, the coupling is adjusted on ring flat-plate around equipped with multiple adjustment holes, it is equipped in the outside that coupling adjusts ring flat-plate around tooth, adjusting rod is equipped on casing of filter, adjusting rod inner end is equipped with adjustment gear, the adjustment gear is connect with around a tooth engagement, coupling is driven to adjust ring flat-plate rotation by rotation adjusting rod, to change the unlatching size of coupling window.
Description
Technical field
The present invention relates to wave filter technology fields, and in particular to a kind of filter coupling process.
Background technique
Along with modern wireless telecommunications, the development of communication relevant industries, RF resources are more and more nervous, various systems
The frequency range that the communication system of formula uses becomes closer to, it is easy to interfere the communication system of adjacent frequency band and prevent it from normal work
Make, so that more stringent requirements are proposed to communication system.Communication system is each in system in order to reinforce the inhibition to adjacent frequency band
The inhibition of a component is all to be improved, for mainly playing filter, duplexer and the combining of inhibiting effect in a communications system
The requirement of device is just higher.
For in the exploitation design process of coaxial cavity filter, the filter in conjunction with needed for specific structure space layout is opened up
When flutterring structure, by opening up window between two resonators or adding step on this basis, coupling amount needed for two resonators
Generally it is able to satisfy.But susceptibility is adjusted for needing to improve coupling, it is increasingly tight that above scheme is unable to satisfy system operator day
Performance of filter requirement.
Summary of the invention
The purpose of the present invention is to overcome the shortage of prior art, and provides a kind of filter coupling process, solves for needing
It improves coupling and adjusts susceptibility, above scheme is unable to satisfy system operator day, and increasingly tight performance of filter requirement is asked
Topic.
The present invention is achieved through the following technical solutions：
A kind of filter coupling process, including step：
Step 1, casing of filter 1 are cylindrical structure, pass through respectively the first resonator cavity of partition 2 in casing of filter 1
Body 3 and the second resonator cavities 4,1 both ends of casing of filter are respectively corresponded equipped with the first cover board 5, the second cover board 6, the first resonance
Coupling structure of filter is equipped in device cavity 3 and the second resonator cavities 4；
Partition 2 described in step 2, coupling structure of filter is equipped with around multiple coupling windows 7 are equipped with, in 8 side of partition
The first resonator cavities 3 or the second resonator cavities 4 in be equipped with coupling and adjust ring flat-plate 9, the coupling adjusts circular on ring flat-plate 9
Equipped with multiple adjustment holes 10, it is equipped in the outside that coupling adjusts ring flat-plate 9 around tooth 11, is equipped with and adjusts on casing of filter 1
Bar 12,12 inner end of adjusting rod are equipped with adjustment gear 14, and the adjustment gear 14 engages connection with around tooth 14；
Step 3 drives coupling adjusting ring flat-plate 9 to rotate by rotation adjusting rod 12, to change the opening ruler of coupling window 7
It is very little；
2 liang of step 4, partition middle side parts are respectively equipped with resonator 15, and the first cover board 5, the second cover board 6 are respectively arranged with
Resonance adjusting rod 13.
Including casing of filter, the casing of filter is cylindrical structure, by partition is respectively the in casing of filter
One resonator cavities and the second resonator cavities, casing of filter both ends are respectively corresponded equipped with the first cover board, the second cover board, and first
Coupling structure of filter is equipped in resonator cavities and the second resonator cavity body；
Partition described in the coupling structure of filter is equipped with around multiple coupling windows are equipped with, the first of partition side
Ring flat-plate is adjusted equipped with coupling in resonator cavities or the second resonator cavity body, the coupling is adjusted on ring flat-plate around equipped with multiple tune
Knothole is equipped with around tooth in the outside that coupling adjusts ring flat-plate, adjusting rod is equipped on casing of filter, adjusting rod inner end is equipped with
Adjustment gear, the adjustment gear are connect with around a tooth engagement, drive coupling to adjust ring flat-plate rotation by rotation adjusting rod, from
And change the unlatching size of coupling window；
Two middle side part of partition is respectively equipped with resonator, and the first cover board, the second cover board are respectively arranged with resonance adjusting rod.
Compared with prior art, the present invention having the following advantages and benefits：
1, a kind of filter coupling process of the present invention uses antarafacial two-chamber required to meet by adjusting coupling window size
It is inductive coupled, while it is in same path filter between antarafacial, structure is simply easy to process, filter can be made in satisfaction property
Also meet the design requirement of device miniaturization while energy index；
2, a kind of filter coupling process of the present invention can be realized coupling and adjust, and coupling condition mode is very simply, just
Victory, it is easily operated.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of filter coupling process of the present invention；
Label and corresponding parts title in attached drawing：
1- casing of filter, 2- partition, the first resonator cavities of 3-, the second resonator cavities of 4-, the first cover board of 5-, 6-
Two cover boards, 7- couple window, 8- partition, and 9-, which is coupled, adjusts ring flat-plate, 10- adjustment hole, the circular tooth of 11-, 12- adjusting rod, and 13- is humorous
Shake adjusting rod, 14- adjustment gear, 15- resonator.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Figure 1, a kind of filter coupling process of the present invention, a kind of filter coupling process, including step：
Step 1, casing of filter 1 are cylindrical structure, pass through respectively the first resonator cavity of partition 2 in casing of filter 1
Body 3 and the second resonator cavities 4,1 both ends of casing of filter are respectively corresponded equipped with the first cover board 5, the second cover board 6, the first resonance
Coupling structure of filter is equipped in device cavity 3 and the second resonator cavities 4；
Partition 2 described in step 2, coupling structure of filter is equipped with around multiple coupling windows 7 are equipped with, in 8 side of partition
The first resonator cavities 3 or the second resonator cavities 4 in be equipped with coupling and adjust ring flat-plate 9, the coupling adjusts circular on ring flat-plate 9
Equipped with multiple adjustment holes 10, it is equipped in the outside that coupling adjusts ring flat-plate 9 around tooth 11, is equipped with and adjusts on casing of filter 1
Bar 12,12 inner end of adjusting rod are equipped with adjustment gear 14, and the adjustment gear 14 engages connection with around tooth 14；
Step 3 drives coupling adjusting ring flat-plate 9 to rotate by rotation adjusting rod 12, to change the opening ruler of coupling window 7
It is very little；
2 liang of step 4, partition middle side parts are respectively equipped with resonator 15, and the first cover board 5, the second cover board 6 are respectively arranged with
Resonance adjusting rod 13.
Filter includes casing of filter 1, and the casing of filter 1 is cylindrical structure, passes through partition in casing of filter 1
2 be respectively the first resonator cavities 3 and the second resonator cavities 4,1 both ends of casing of filter respectively correspond equipped with the first cover board 5,
Second cover board 6 is equipped with coupling structure of filter in first resonator cavities 3 and the second resonator cavities 4；
Partition 2 described in the coupling structure of filter is equipped with around multiple coupling windows 7 are equipped with, in 8 side of partition
First resonator cavities 3 or interior be equipped with of the second resonator cavities 4 couple adjusting ring flat-plate 9, and the coupling is adjusted to surround on ring flat-plate 9 and be set
There are multiple adjustment holes 10, is equipped in the outside that coupling adjusts ring flat-plate 9 around tooth 11, adjusting rod is equipped on casing of filter 1
12,12 inner end of adjusting rod is equipped with adjustment gear 14, and the adjustment gear 14 engages connection with around tooth 14, is adjusted by rotation
Bar 12 drives coupling to adjust ring flat-plate 9 and rotates, to change the unlatching size of coupling window 7；
2 liang of middle side parts of the partition are respectively equipped with resonator 15, and the first cover board 5, the second cover board 6 are respectively arranged with resonance tune
Pole 13.
The partition 2 be equipped with around be equipped with multiple coupling windows 12,2 side of partition the first resonator cavities 3 or
Interior be equipped with of second resonator cavities 4 couples adjusting ring flat-plate 13, and the coupling, which adjusts to surround on ring flat-plate 13, is equipped with multiple adjustment holes 14,
It is equipped in the outside that coupling adjusts ring flat-plate 13 around tooth 15, adjusting rod 16,16 inner end of adjusting rod is equipped on casing of filter 1
Equipped with adjustment gear 17, the adjustment gear 17 engages connection with around tooth 15, drives coupling to adjust by rotation adjusting rod 16
It saves ring flat-plate 13 to rotate, to change the unlatching size of coupling window 12.Resonance adjusting is equipped on first cover board 5, the second cover board 6
Bar 11.It is required inductive coupled to meet by adjusting coupling window size to use antarafacial two-chamber, while making at same path filter
Between antarafacial, structure is simply easy to process, filter can be made also to meet device miniaturization while meeting performance indicator
Design requirement.
This hair is adjusted the spacing for adjusting coupling piece 8 and resonance adjusting rod 11 by coupling structure of filter, can there is needle
To the degree of coupling in adjusting the first resonator cavities 3 and the second resonator cavities 4 of property, while can be by adjusting on partition 2
Equipped with around the unlatching size equipped with multiple coupling windows 12.It is required inductive coupled to meet by adjusting coupling window size,
Susceptibility is adjusted for needing to improve coupling to solve, above scheme is unable to satisfy the increasingly tight filtering of system operator day
The problem of device performance requirement.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (1)
1. a kind of filter coupling process, which is characterized in that including step：
Step 1, casing of filter (1) are cylindrical structure, and passing through partition (2) in casing of filter (1) is respectively the first resonator
Cavity (3) and the second resonator cavities (4), casing of filter (1) both ends are respectively corresponded equipped with the first cover board (5), the second cover board
(6), coupling structure of filter is equipped in the first resonator cavities (3) and the second resonator cavities (4)；
Partition described in step 2, coupling structure of filter (2) is equipped with around multiple coupling windows (7) are equipped with, in partition (8) one
It is equipped with coupling in the first resonator cavities (3) or the second resonator cavities (4) of side and adjusts ring flat-plate (9), the coupling adjusts ring
Around multiple adjustment holes (10) are equipped on plate (9), it is equipped in the outside that coupling adjusts ring flat-plate (9) around tooth (11), is filtering
Device shell (1) is equipped with adjusting rod (12), and adjusting rod (12) inner end is equipped with adjustment gear (14), the adjustment gear (14) and ring
Winding tooth (14) engagement connection；
Step 3 drives coupling to adjust ring flat-plate (9) rotation by rotation adjusting rod (12), to change the unlatching of coupling window (7)
Size；
Step 4, (2) two middle side part of the partition are respectively equipped with resonator (15), and the first cover board (5), the second cover board (6) are set respectively
It is equipped with resonance adjusting rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752909.0A CN108879049A (en) | 2018-07-10 | 2018-07-10 | A kind of filter coupling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752909.0A CN108879049A (en) | 2018-07-10 | 2018-07-10 | A kind of filter coupling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108879049A true CN108879049A (en) | 2018-11-23 |
Family
ID=64300753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810752909.0A Withdrawn CN108879049A (en) | 2018-07-10 | 2018-07-10 | A kind of filter coupling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108879049A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821021A (en) * | 2021-01-22 | 2021-05-18 | 华沣通信科技有限公司 | Sheet welding type small filter and manufacturing method thereof |
| CN113594652A (en) * | 2021-08-20 | 2021-11-02 | 无锡佳浩多精密机械有限公司 | Dual-mode filter based on HFSS cavity and adjusting method |
-
2018
- 2018-07-10 CN CN201810752909.0A patent/CN108879049A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821021A (en) * | 2021-01-22 | 2021-05-18 | 华沣通信科技有限公司 | Sheet welding type small filter and manufacturing method thereof |
| CN112821021B (en) * | 2021-01-22 | 2022-05-17 | 华沣通信科技有限公司 | Sheet welding type small filter and manufacturing method thereof |
| CN113594652A (en) * | 2021-08-20 | 2021-11-02 | 无锡佳浩多精密机械有限公司 | Dual-mode filter based on HFSS cavity and adjusting method |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181123 |