CN108448214B - Cavity body filter with frequency adjustment mechanism - Google Patents
Cavity body filter with frequency adjustment mechanism Download PDFInfo
- Publication number
- CN108448214B CN108448214B CN201810275415.8A CN201810275415A CN108448214B CN 108448214 B CN108448214 B CN 108448214B CN 201810275415 A CN201810275415 A CN 201810275415A CN 108448214 B CN108448214 B CN 108448214B
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- China
- Prior art keywords
- pipe
- adjustment mechanism
- frequency adjustment
- pipeline
- cover board
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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
-
- 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
Abstract
The invention discloses a kind of cavity body filter with frequency adjustment mechanism, including resonant cavity, which includes cavity, harmonic oscillator and cover board；Cover board is equipped with frequency adjustment mechanism；Frequency adjustment mechanism includes debugging bar；Frequency adjustment mechanism further includes being all located above cover board: for guiding the guide sleeve of debugging bar vertical lifting, on debugging bar and with the bulge loop of the coaxial heart of debugging bar, it is set in debugging bar periphery and the compressed spring between guide sleeve and bulge loop, it is vertically arranged and the first pipe of top opening, second pipe and third pipeline and horizontal and the 4th pipeline for being fixed on cover board outer wall.The present invention is equipped with the frequency adjustment mechanism of special construction, can control debugging bar insertion inside cavity to adjust resonance frequency.
Description
Technical field
The present invention relates to the cavity body filters with frequency adjustment mechanism.
Background technique
The filter circuit that power-supply filter is made of capacitor, inductance and resistance.Filter can be to specific in power supply line
Frequency other than the frequency point of frequency or the frequency point is effectively filtered out, and obtains the power supply signal of a specific frequency, or eliminate one
Power supply signal after a specific frequency.
Existing cavity body filter is often fitted with frequency adjustment mechanism, and frequency adjustment mechanism generally comprises debugging bar, and debugging bar is inserted
Entering inside cavity can adjust resonance frequency.
Summary of the invention
The purpose of the present invention is to provide a kind of cavity body filters with frequency adjustment mechanism, are equipped with the frequency of special construction
Rate adjustment mechanism can control debugging bar insertion inside cavity to adjust resonance frequency.
To achieve the above object, the technical scheme is to design a kind of cavity body filter with frequency adjustment mechanism,
Including resonant cavity, which includes cavity, harmonic oscillator and cover board；Harmonic oscillator is fixed in cavity；Cover board horizontal is fixed on chamber
At the top of body；Cover board is equipped with frequency adjustment mechanism；Frequency adjustment mechanism includes the debugging bar being vertically arranged；Debugging bar is through cover board and inserts
Enter inside cavity；Cover board is equipped with for debugging the perforative through-hole of bar；
The frequency adjustment mechanism further includes being all located above cover board: for guiding the guiding of debugging bar vertical lifting
Set, on debugging bar and with the bulge loop of the coaxial heart of debugging bar, be set in debugging bar periphery and between guide sleeve and bulge loop
Compressed spring, be vertically arranged and the first pipe of top opening, second pipe and third pipeline and horizontal and be fixed on outside cover board
4th pipeline of wall；
The guide sleeve is set in debugging bar periphery, and the guide sleeve heart coaxial with cover plate through hole；Guide sleeve side wall passes through company
It connects bracket to fix with cover board outer wall, bulge loop is located at below guide sleeve；
The first pipe, second pipe are located at immediately below bulge loop, and first pipe, second pipe are symmetrically set with debugging bar
It sets；
4th pipe ends closing, and the bottom end of first pipe, second pipe and third pipeline all with the 4th pipeline
Connection；
Filled with hydraulic oil inside the first pipe, second pipe, third pipeline and the 4th pipeline；It is equipped in first pipe
The first piston that can be driven by hydraulic oil, first piston top pass through the first connecting rod being vertically arranged and connect with bulge loop bottom surface；Second
The second piston that can be driven by hydraulic oil is equipped in pipeline, second piston top passes through the second connecting rod being vertically arranged and bulge loop bottom surface
Connection；First piston, second piston are symmetrical arranged with debugging bar；First connecting rod, the second connecting rod are symmetrical arranged with debugging bar；
The third piston that can drive running of hydraulic power oil is equipped in third pipeline, third piston tip, which is fixed with, is vertically arranged screw rod；
Third pipeline top is fixed with end cap, is vertically arranged screw rod through end cap, end cap is equipped with perforative for being vertically arranged screw rod
Tapped through hole is vertically arranged screw rod and is threadedly engaged with the tapped through hole.
Preferably, the first pipe, second pipe, third pipeline inner wall be covered with and be slidingly sealed layer.
Preferably, the first pipe, second pipe, the internal diameter of third pipeline are identical.
Preferably, the guide sleeve is insulation guide sleeve.
Preferably, the compressed spring is insulated spring.
Preferably, the first connecting rod, the second connecting rod are all insulating bar.
Preferably, the bulge loop is insulation bulge loop.
Preferably, the top for being vertically arranged screw rod is equipped with swing handle.
Advantages and advantages of the present invention are to provide a kind of cavity body filter with frequency adjustment mechanism, is equipped with
The frequency adjustment mechanism of special construction can control debugging bar insertion inside cavity to adjust resonance frequency.
Screw rod can be vertically arranged by rotation drives the third piston to move down, and then first piston, the can be driven by hydraulic oil
Two pistons move up, and then the debugging bar with bulge loop is driven to rise, and then adjustable resonance frequency.
Also screw rod can be vertically arranged by reverse rotation to drive third piston to move up, during third piston moves up, compress
Spring can drive the debugging bar with bulge loop to decline, and then can adjust resonance frequency again.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
The technical solution that the present invention embodies is:
As shown in Figure 1, a kind of cavity body filter with frequency adjustment mechanism, including resonant cavity, the resonant cavity include cavity,
Harmonic oscillator and cover board 1；Harmonic oscillator is fixed in cavity；1 horizontal of cover board is fixed at the top of cavity；Cover board 1 is equipped with frequency adjustment
Mechanism；Frequency adjustment mechanism includes the debugging bar 2 being vertically arranged；Debugging bar 2 is through cover board 1 and is inserted into inside cavity；Cover board 1, which is equipped with, to be supplied
Debug the perforative through-hole of bar 2；
The frequency adjustment mechanism further includes being all located at 1 top of cover board: for guiding the guiding of debugging 2 vertical lifting of bar
Set 3, on debugging bar 2 and with the bulge loop 21 of the coaxial heart of debugging bar 2, be set in debugging 2 periphery of bar and be located at 3 and of guide sleeve
Compressed spring 4 between bulge loop 21, is vertically arranged and the first pipe 51 of top opening, second pipe 52 and third pipeline 53, and
Horizontal and the 4th pipeline 54 for being fixed on 1 outer wall of cover board；
The guide sleeve 3 is set in debugging 2 periphery of bar, and the heart coaxial with 1 through-hole of cover board of guide sleeve 3；3 side wall of guide sleeve is logical
It crosses connecting bracket to fix with 1 outer wall of cover board, bulge loop 21 is located at 3 lower section of guide sleeve；
The first pipe 51, second pipe 52 are located at immediately below bulge loop 21, and first pipe 51, second pipe 52 are to adjust
Bar 2 is symmetrical arranged；
4th pipeline 54 is closed at both ends, and the bottom end of first pipe 51, second pipe 52 and third pipeline 53 all with
The connection of 4th pipeline 54；
Filled with hydraulic oil inside the first pipe 51, second pipe 52, third pipeline 53 and the 4th pipeline 54；First pipe
Be equipped with the first piston 61 that can be driven by hydraulic oil in road 51,61 top of first piston pass through the first connecting rod 71 that is vertically arranged with it is convex
The connection of 21 bottom surface of ring；The second piston 62 that can be driven by hydraulic oil is equipped in second pipe 52,62 top of second piston passes through perpendicular
The second connecting rod 72 set is connect with 21 bottom surface of bulge loop；First piston 61, second piston 62 are symmetrical arranged with debugging bar 2；First
Connecting rod 71, the second connecting rod 72 are symmetrical arranged with debugging bar 2；The third that can drive running of hydraulic power oil is equipped in third pipeline 53
Piston 63,63 top of third piston, which is fixed with, is vertically arranged screw rod 8；
53 top of third pipeline is fixed with end cap 9, is vertically arranged screw rod 8 through end cap 9, end cap 9 is equipped with for being vertically arranged screw rod 8
Perforative tapped through hole is vertically arranged screw rod 8 and is threadedly engaged with the tapped through hole.
Preferably, the first pipe 51, second pipe 52, third pipeline 53 inner wall be covered with and be slidingly sealed layer.
Preferably, the first pipe 51, second pipe 52, the internal diameter of third pipeline 53 are identical.
Preferably, the guide sleeve 3 is insulation guide sleeve 3.
Preferably, the compressed spring 4 is insulated spring.
Preferably, the first connecting rod 71, the second connecting rod 72 are all insulating bar.
Preferably, the bulge loop 21 is insulation bulge loop 21.
Preferably, the top for being vertically arranged screw rod 8 is equipped with swing handle.
Cavity body filter of the present invention is equipped with the frequency adjustment mechanism of special construction, and debugging bar 2 can control to be inserted into inside cavity
To adjust resonance frequency.
Screw rod 8 can be vertically arranged to drive third piston 63 to move down by rotation, and then can drive first piston by hydraulic oil
61, second piston 62 moves up, and then the debugging bar 2 with bulge loop 21 is driven to rise, and then adjustable resonance frequency.
Also it can be vertically arranged screw rod 8 by reversely rotating third piston 63 is driven to move up, during third piston 63 moves up,
Compressed spring 4 can drive the debugging bar 2 with bulge loop 21 to decline, and then can adjust resonance frequency again.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. the cavity body filter with frequency adjustment mechanism, including resonant cavity, which includes cavity, harmonic oscillator and cover board；It is humorous
Oscillator is fixed in cavity；Cover board horizontal is fixed at the top of cavity；Cover board is equipped with frequency adjustment mechanism；Frequency adjustment mechanism packet
Include the debugging bar being vertically arranged；Debugging bar is through cover board and is inserted into inside cavity；Cover board is equipped with for debugging the perforative through-hole of bar；Its feature
It is:
The frequency adjustment mechanism further includes being all located above cover board: for guiding the guide sleeve of debugging bar vertical lifting, if
In on debugging bar and with the bulge loop of the coaxial heart of debugging bar, be set in debugging bar periphery and the pressure between guide sleeve and bulge loop
Contracting spring is vertically arranged and the first pipe of top opening, second pipe and third pipeline and horizontal and is fixed on cover board outer wall
4th pipeline；
The guide sleeve is set in debugging bar periphery, and the guide sleeve heart coaxial with cover plate through hole；Guide sleeve side wall passes through connection branch
Frame is fixed with cover board outer wall, and bulge loop is located at below guide sleeve；
The first pipe, second pipe are located at immediately below bulge loop, and first pipe, second pipe are symmetrical arranged with debugging bar；
The 4th pipe ends closing, and the bottom end of first pipe, second pipe and third pipeline is all connected to the 4th pipeline；
Filled with hydraulic oil inside the first pipe, second pipe, third pipeline and the 4th pipeline；Being equipped in first pipe can be by
The first piston of hydraulic oil driving, first piston top pass through the first connecting rod being vertically arranged and connect with bulge loop bottom surface；Second pipe
Interior to be equipped with the second piston that driven by hydraulic oil, second piston top passes through the second connecting rod being vertically arranged and bulge loop bottom surface connects
It connects；First piston, second piston are symmetrical arranged with debugging bar；First connecting rod, the second connecting rod are symmetrical arranged with debugging bar；The
The third piston that can drive running of hydraulic power oil is equipped in three pipelines, third piston tip, which is fixed with, is vertically arranged screw rod；
Third pipeline top is fixed with end cap, is vertically arranged screw rod through end cap, end cap is equipped with for being vertically arranged the perforative screw thread of screw rod
Through-hole is vertically arranged screw rod and is threadedly engaged with the tapped through hole.
2. the cavity body filter according to claim 1 with frequency adjustment mechanism, which is characterized in that the first pipe,
Second pipe, third pipeline inner wall be covered with and be slidingly sealed layer.
3. the cavity body filter according to claim 2 with frequency adjustment mechanism, which is characterized in that the first pipe,
Second pipe, the internal diameter of third pipeline are identical.
4. the cavity body filter according to claim 3 with frequency adjustment mechanism, which is characterized in that the guide sleeve is exhausted
Edge guide sleeve.
5. the cavity body filter according to claim 4 with frequency adjustment mechanism, which is characterized in that the compressed spring is
Insulated spring.
6. the cavity body filter according to claim 5 with frequency adjustment mechanism, which is characterized in that first connection
Bar, the second connecting rod are all insulating bar.
7. the cavity body filter according to claim 6 with frequency adjustment mechanism, which is characterized in that the bulge loop is insulation
Bulge loop.
8. the cavity body filter according to claim 7 with frequency adjustment mechanism, which is characterized in that the screw rod that is vertically arranged
Top is equipped with swing handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275415.8A CN108448214B (en) | 2018-03-30 | 2018-03-30 | Cavity body filter with frequency adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275415.8A CN108448214B (en) | 2018-03-30 | 2018-03-30 | Cavity body filter with frequency adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108448214A CN108448214A (en) | 2018-08-24 |
| CN108448214B true CN108448214B (en) | 2019-08-20 |
Family
ID=63198328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810275415.8A Active CN108448214B (en) | 2018-03-30 | 2018-03-30 | Cavity body filter with frequency adjustment mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN108448214B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851799B (en) * | 2021-08-13 | 2022-08-09 | 武汉凡谷电子技术股份有限公司 | Adjustable frequency filter based on modular structure |
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| CN202744272U (en) * | 2012-07-20 | 2013-02-20 | 李启涵 | Flag-bearer hoisting platform |
| CN103470681A (en) * | 2013-08-29 | 2013-12-25 | 西安理工大学 | Tuned mass damper system with steering mechanism |
| CN203925904U (en) * | 2014-06-06 | 2014-11-05 | 朱明喜 | A kind of by pressure spring and hydraulically powered full-automatic energy-saving power engine |
| CN107104256A (en) * | 2017-06-20 | 2017-08-29 | 南京华德通信技术有限公司 | A kind of screw-filter and its design method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1303866B1 (en) * | 1998-11-25 | 2001-03-01 | Italtel Spa | DECOUPLING FILTER FOR HIGH FREQUENCY RECEIVERS-TRANSMITTERS SELF-COMPENSATED IN TEMPERATURE |
| CN102322259B (en) * | 2011-10-11 | 2014-01-22 | 中曼石油钻井技术有限公司 | Automatic degasser for comprehensive petroleum geological logging |
| CN204023644U (en) * | 2014-08-20 | 2014-12-17 | 王永卫 | Loading arm hydraulic system for lifting |
| CN204984448U (en) * | 2015-09-18 | 2016-01-20 | 孟令启 | Mining hydraulic pressure strutting arrangement |
| CN106140068B (en) * | 2016-08-30 | 2018-03-13 | 浙江安吉天洋滚塑设备有限公司 | High efficiency temperature controlled boosting jet agitation and filtration reaction system |
-
2018
- 2018-03-30 CN CN201810275415.8A patent/CN108448214B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202744272U (en) * | 2012-07-20 | 2013-02-20 | 李启涵 | Flag-bearer hoisting platform |
| CN103470681A (en) * | 2013-08-29 | 2013-12-25 | 西安理工大学 | Tuned mass damper system with steering mechanism |
| CN203925904U (en) * | 2014-06-06 | 2014-11-05 | 朱明喜 | A kind of by pressure spring and hydraulically powered full-automatic energy-saving power engine |
| CN107104256A (en) * | 2017-06-20 | 2017-08-29 | 南京华德通信技术有限公司 | A kind of screw-filter and its design method |
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| CN108448214A (en) | 2018-08-24 |
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