CN108448214A - Cavity body filter with frequency adjustment mechanism - Google Patents
Cavity body filter with frequency adjustment mechanism Download PDFInfo
- Publication number
- CN108448214A CN108448214A CN201810275415.8A CN201810275415A CN108448214A CN 108448214 A CN108448214 A CN 108448214A CN 201810275415 A CN201810275415 A CN 201810275415A CN 108448214 A CN108448214 A CN 108448214A
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- CN
- China
- Prior art keywords
- pipe
- adjustment mechanism
- frequency adjustment
- pipeline
- cover board
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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
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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
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- Control Of Motors That Do Not Use Commutators (AREA)
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：Guide sleeve for guiding 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, and debugging bar can control to be inserted into inside cavity to adjust resonant frequency.
Description
Technical field
The present invention relates to the cavity body filters with frequency adjustment mechanism.
Background technology
The filter circuit that power-supply filter is made of capacitance, inductance and resistance.Filter can be to specific in power cord
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
Enter inside cavity and can adjust resonant frequency.
Invention content
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 to be inserted into inside cavity to adjust resonant 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：Guide sleeve for guiding 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 is by connecting 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 is connect by the head rod being vertically arranged with bulge loop bottom surface；Second pipe
Interior to be equipped with the second piston that driven by hydraulic oil, second piston top is connected by the second connecting rod being vertically arranged with bulge loop bottom surface
It connects；First piston, second piston are symmetrical arranged with debugging bar；Head rod, the second connecting rod are symmetrical arranged with debugging bar；The
The third piston of running of hydraulic power oil can be driven by being equipped in three pipelines, and third piston tip, which is fixed with, is vertically arranged screw rod；
Third pipeline top is fixed with end cap, and screw rod runs through end cap, and end cap is equipped with for the perforative tapped through hole of screw rod, screw rod
With the tapped through hole screw-thread fit.
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 head rod, the second connecting rod are all insulating bar.
Preferably, the bulge loop is insulation bulge loop.
Preferably, the top of the screw rod is equipped with swing handle.
The advantages of the present invention are：A kind of cavity body filter with frequency adjustment mechanism is provided, is equipped with
The frequency adjustment mechanism of special construction can control debugging bar to be inserted into inside cavity to adjust resonant frequency.
Third piston can be driven to move down by rotary screw, and then first piston, second can be driven to live by hydraulic oil
It moves beyond the Great Wall, and then the debugging bar with bulge loop is driven to rise, and then adjustable resonant frequency.
Also third piston can be driven to move up by contra rotating screw, during third piston moves up, compressed spring
The debugging bar with bulge loop can be driven to decline, and then resonant frequency can be adjusted again.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is further described.Following embodiment is only
For clearly illustrating technical scheme 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, resonance
Son 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 is equipped with for debugging
2 perforative through-hole of bar；
The frequency adjustment mechanism further includes being all located at 1 top of cover board：Guide sleeve 3 for guiding debugging 2 vertical lifting of bar,
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 guide sleeve 3 and bulge loop
Compressed spring 4 between 21, is vertically arranged and the first pipe 51 of top opening, second pipe 52 and third pipeline 53 and horizontal
And it is fixed on the 4th pipeline 54 of 1 outer wall of cover board；
The guide sleeve 3 is set in 2 periphery of debugging bar, and the heart coaxial with 1 through-hole of cover board of guide sleeve 3；3 side wall of guide sleeve passes through company
It connects holder 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 debug bar
2 are 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 is all with the 4th
Pipeline 54 is connected to；
Filled with hydraulic oil inside the first pipe 51, second pipe 52, third pipeline 53 and the 4th pipeline 54；First pipe 51
Interior to be equipped with the first piston 61 that driven by hydraulic oil, 61 top of first piston passes through the head rod 71 that is vertically arranged and bulge loop 21
Bottom surface connects；It is equipped with the second piston 62 that can be driven by hydraulic oil in second pipe 52,62 top of second piston is by being vertically arranged
Second connecting rod 72 is connect with 21 bottom surface of bulge loop；First piston 61, second piston 62 are symmetrical arranged with debugging bar 2；First connection
Bar 71, the second connecting rod 72 are symmetrical arranged with debugging bar 2；The third piston of running of hydraulic power oil can be driven by being equipped in third pipeline 53
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, and screw rod 8 runs through end cap 9, and end cap 9 is equipped with logical for 8 perforative screw thread of screw rod
Hole, screw rod 8 and the tapped through hole screw-thread fit.
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 head rod 71, the second connecting rod 72 are all insulating bar.
Preferably, the bulge loop 21 is insulation bulge loop 21.
Preferably, the top of the 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 resonant frequency.
Third piston 63 can be driven to move down by rotary screw 8, and then first piston 61, the can be driven by hydraulic oil
Two pistons 62 move up, and then the debugging bar 2 with bulge loop 21 is driven to rise, and then adjustable resonant frequency.
Also third piston 63 can be driven to move up by contra rotating screw 8, during third piston 63 moves up, compression
Spring 4 can drive the debugging bar 2 with bulge loop 21 to decline, and then can adjust resonant 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：Guide sleeve for guiding 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 is by connecting 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 is connect by the head rod being vertically arranged with bulge loop bottom surface；Second pipe
Interior to be equipped with the second piston that driven by hydraulic oil, second piston top is connected by the second connecting rod being vertically arranged with bulge loop bottom surface
It connects；First piston, second piston are symmetrical arranged with debugging bar；Head rod, the second connecting rod are symmetrical arranged with debugging bar；The
The third piston of running of hydraulic power oil can be driven by being equipped in three pipelines, and third piston tip, which is fixed with, is vertically arranged screw rod；
Third pipeline top is fixed with end cap, and screw rod runs through end cap, and end cap is equipped with for the perforative tapped through hole of screw rod, screw rod
With the tapped through hole screw-thread fit.
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 top of the screw rod
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 true CN108448214A (en) | 2018-08-24 |
| CN108448214B 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 |
|---|---|
| CN (1) | CN108448214B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023016560A1 (en) * | 2021-08-13 | 2023-02-16 | 武汉凡谷电子技术股份有限公司 | Modular structure based frequency-adjustable filter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000031866A3 (en) * | 1998-11-25 | 2000-10-19 | Siemens Inf & Comm Networks | Temperature self-compensating filter for high frequency transceivers |
| CN102322259A (en) * | 2011-10-11 | 2012-01-18 | 中曼石油钻井技术有限公司 | Automatic degasser for comprehensive petroleum geological logging |
| 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 |
| 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 |
| CN106140068A (en) * | 2016-08-30 | 2016-11-23 | 浙江安吉天洋滚塑设备有限公司 | High efficiency temperature controlled boosting jet agitation and filtration response system |
| 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 |
-
2018
- 2018-03-30 CN CN201810275415.8A patent/CN108448214B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000031866A3 (en) * | 1998-11-25 | 2000-10-19 | Siemens Inf & Comm Networks | Temperature self-compensating filter for high frequency transceivers |
| CN102322259A (en) * | 2011-10-11 | 2012-01-18 | 中曼石油钻井技术有限公司 | Automatic degasser for comprehensive petroleum geological logging |
| 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 |
| 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 |
| CN106140068A (en) * | 2016-08-30 | 2016-11-23 | 浙江安吉天洋滚塑设备有限公司 | High efficiency temperature controlled boosting jet agitation and filtration response system |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023016560A1 (en) * | 2021-08-13 | 2023-02-16 | 武汉凡谷电子技术股份有限公司 | Modular structure based frequency-adjustable filter |
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| Publication number | Publication date |
|---|---|
| CN108448214B (en) | 2019-08-20 |
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