CN105390781B - Wave filter - Google Patents
Wave filter Download PDFInfo
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- CN105390781B CN105390781B CN201510989489.4A CN201510989489A CN105390781B CN 105390781 B CN105390781 B CN 105390781B CN 201510989489 A CN201510989489 A CN 201510989489A CN 105390781 B CN105390781 B CN 105390781B
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- mentioned
- cover plate
- harmonic oscillator
- wave filter
- cavity
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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
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Abstract
The present invention relates to technical field of filtering, and in particular to a kind of wave filter.The invention discloses a kind of wave filter, including resonator, the resonator includes cavity, harmonic oscillator and cover plate, above-mentioned harmonic oscillator is fixed in cavity, above-mentioned cover plate is fixed on cavity upper surface by trip bolt, above-mentioned cover plate is equipped with frequency adjustment component, and the body of above-mentioned harmonic oscillator is metal body, and the inner body wall of above-mentioned harmonic oscillator is provided with dielectric layer.Beneficial effects of the present invention are：The wave filter small volume and power is big.
Description
Technical field
The present invention relates to technical field of filtering, and in particular to a kind of wave filter.
Background technology
The filter circuit that power-supply filter is made up of electric capacity, inductance and resistance.Wave filter can be to specific in power line
Frequency beyond the frequency of frequency or the frequency is effectively filtered out, and obtains the power supply signal of a specific frequency, or eliminate one
Power supply signal after individual specific frequency.
With the progress and development of microwave technology, wave filter is widely used in communication technology neck as a kind of selection of frequency
Domain, especially technology for radio frequency field.Wave filter is widely used in communication transmitting and the base station received, and wave filter is used for
Signal of communication is selected, eliminates clutter and interference signal outside signal of communication.
With the fast development of wave filter industry, a kind of high-power wave filter of small volume is needed in market badly.
The content of the invention
It is an object of the invention to provide a kind of wave filter, the wave filter small volume and power is big.
To achieve the above object, the present invention provides following technical scheme：
A kind of wave filter, including resonator, the resonator include cavity, harmonic oscillator and cover plate, and above-mentioned harmonic oscillator is fixed on
In cavity, above-mentioned cover plate is fixed on cavity upper surface by trip bolt, and above-mentioned cover plate is equipped with frequency adjustment component, above-mentioned humorous
The body of oscillator is metal body, and the inner body wall of above-mentioned harmonic oscillator is provided with dielectric layer.The effect of the structure is, dielectric
On the one hand the setting of layer can avoid debugging component contact with harmonic oscillator and damages wave filter, and the opposing party is by dielectric resonance and golden
Belong to both harmonic oscillators to combine, play and reduce the powerful effect of volume expansion.
Preferably, above-mentioned cover plate is provided with screwed hole, and said frequencies adjustment component includes debugging bar, and the debugging bar is debugging spiral shell
Rasp bar, above-mentioned debugging bar are assemblied in above-mentioned screwed hole, and above-mentioned debugging bar is provided with least two driving wheels, the diameter of above-mentioned driving wheel
.The effect of the structure is that two driving wheels can play the effect that coarse adjustment is combined with thin tuning so that regulation is quick
Accurately, resonant frequency of the convenient regulation to needs.
Preferably, the outer wall of above-mentioned debugging bar is provided with dielectric layer.
Preferably, above-mentioned cover plate is provided with through hole, and said frequencies adjustment component includes support block and debugging bar, above-mentioned support block
Cover plate outer wall is assemblied in, above-mentioned support block side wall is provided with arc chute, and above-mentioned debugging bar one end is provided with driving projection, and the driving is convex
Block is placed in above-mentioned arc chute, and above-mentioned driving projection is slidably matched with above-mentioned arc chute, and the above-mentioned debugging bar other end passes through upper
Through hole is stated, the debugging bar other end is within the cavity, and above-mentioned driving projection is connected with spring, and the spring connects above-mentioned cover plate, above-mentioned
Spring keeps pretightning force.The effect of the structure is that in some cases, resonator only needs the resonant frequency of two points, drives
Dynamic projection can only be stopped in two end points of arc chute, will not stopped in the middle part of arc chute due to the effect of spring
Stay so that debugging bar one end within the cavity only stops in two points, and this structure is convenient to debug, rapidly and accurately at two
Switch between resonant frequency point.
Preferably, above-mentioned arc chute slidable fit has the first sliding block and the second sliding block, and above-mentioned driving projection is located at first
Between sliding block and the second sliding block, above-mentioned first sliding block and the second sliding block are respectively provided with the fastening for fixing it with arc chute
Screw.The effect of this structure is, the first sliding block and the second sliding block can be respectively moved to the position of the arc chute end points, you can
To adjust the value of two resonant frequency points respectively.
Preferably, the outer wall of above-mentioned debugging bar is provided with dielectric layer.
Beneficial effects of the present invention are：The wave filter small volume and power is big.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is frequency adjustment a kind of schematic diagram of embodiment of component of the present invention；
Fig. 3 is the schematic diagram of frequency adjustment component another embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is further described.Following examples are only
For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
The technical scheme that the present invention is embodied is：
Embodiment 1：
As depicted in figs. 1 and 2, a kind of wave filter, including resonator, the resonator include cavity 1, harmonic oscillator 2 and cover plate
3, above-mentioned harmonic oscillator 2 is fixed in cavity 1, and above-mentioned cover plate 3 is fixed on the upper surface of cavity 1, above-mentioned cover plate 3 by trip bolt 4
Frequency adjustment component is equipped with, the body of above-mentioned harmonic oscillator 2 is metal body, and the inner body wall of above-mentioned harmonic oscillator 2 is provided with electricity and is situated between
Matter layer 21.The effect of the structure is, the setting of dielectric layer 21 on the one hand can avoid debugging component contacted with harmonic oscillator 2 and
Wave filter is damaged, both combine the opposing party by dielectric resonance 2 and metal harmonic oscillator 2, play and reduce the powerful work of volume expansion
With.
Above-mentioned cover plate 3 is provided with screwed hole, and said frequencies adjustment component includes debugging bar 5, and the debugging bar 5 is debugging screw thread
Bar, above-mentioned debugging bar 5 are assemblied in above-mentioned screwed hole, and above-mentioned debugging bar 5 is provided with least two driving wheels, the diameter of above-mentioned driving wheel
.The effect of the structure is that two driving wheels can play the effect that coarse adjustment is combined with thin tuning so that regulation is quick
Accurately, resonant frequency of the convenient regulation to needs.
Above-mentioned driving wheel includes the first driving wheel 51 and the second driving wheel 52, and the diameter of the first driving wheel 51 is more than the second driving
52 diameters are taken turns, the second driving wheel 52 is used for thick range regulation, and the first driving wheel 51 is used to adjust in fine ranges.
The outer wall of above-mentioned debugging bar 5 is provided with dielectric layer 21.
Embodiment 2：
As shown in figures 1 and 3, a kind of wave filter, including resonator, the resonator include cavity 1, harmonic oscillator 2 and cover plate
3, above-mentioned harmonic oscillator 2 is fixed in cavity 1, and above-mentioned cover plate 3 is fixed on the upper surface of cavity 1, above-mentioned cover plate 3 by trip bolt 4
Frequency adjustment component is equipped with, the body of above-mentioned harmonic oscillator 2 is metal body, and the inner body wall of above-mentioned harmonic oscillator 2 is provided with electricity and is situated between
Matter layer 21.The effect of the structure is, the setting of dielectric layer 21 on the one hand can avoid debugging component contacted with harmonic oscillator 2 and
Wave filter is damaged, both combine the opposing party by dielectric resonance 2 and metal harmonic oscillator 2, play and reduce the powerful work of volume expansion
With.
Above-mentioned cover plate 3 is provided with through hole 31, and said frequencies adjustment component includes support block 6 and debugging bar 5, above-mentioned support block 6
The outer wall of cover plate 3 is assemblied in, the above-mentioned side wall of support block 6 is provided with arc chute 61, and above-mentioned one end of debugging bar 5 is provided with driving projection 53,
The driving projection 53 is placed in above-mentioned arc chute 61, and above-mentioned driving projection 53 is slidably matched with above-mentioned arc chute 61, above-mentioned tune
The other end of bar 5 passes through above-mentioned through hole 31, and the debugging other end of bar 5 is located in cavity 1, and above-mentioned driving projection 53 is connected with spring 7,
The spring 7 connects above-mentioned cover plate 3, and above-mentioned spring 7 keeps pretightning force.The effect of the structure is, in some cases, resonator
The resonant frequency of two points is only needed, driving projection 53 can only stop due to the effect of spring 7 in two end points of arc chute 61
Stay, will not be stopped in the middle part of arc chute 61 so that only make to stop in two points in one end that debugging bar 5 is located in cavity 1
Stay, this structure is convenient to debug, and rapidly and accurately switches between two resonant frequency points.
The above-mentioned slidable fit of arc chute 61 has the first sliding block 611 and the second sliding block 612, and above-mentioned driving projection 53 is positioned at the
Between one sliding block 611 and the second sliding block 612, the above-mentioned sliding block 612 of first sliding block 611 and second is respectively provided with itself and arc
The trip bolt 4 that chute 61 is fixed.The effect of this structure is that the first sliding block 611 and the second sliding block 612 can be respectively moved to this
The position of the end points of arc chute 61, you can to adjust the value of two resonant frequency points respectively.
The outer wall of above-mentioned debugging bar 5 is provided with dielectric layer 21.
Described above is only the 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, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (1)
1. a kind of wave filter, including resonator, the resonator includes cavity, harmonic oscillator and cover plate, and above-mentioned harmonic oscillator is fixed on chamber
In vivo, above-mentioned cover plate is fixed on cavity upper surface by trip bolt, and above-mentioned cover plate is equipped with frequency adjustment component, and its feature exists
In the body of above-mentioned harmonic oscillator is metal body, and the inner body wall of above-mentioned harmonic oscillator is provided with dielectric layer, and above-mentioned cover plate is provided with logical
Hole, said frequencies adjustment component include support block and debugging bar, and above-mentioned support block is assemblied in cover plate outer wall, above-mentioned support block side wall
Provided with arc chute, above-mentioned debugging bar one end is provided with driving projection, and the driving projection is placed in above-mentioned arc chute, and above-mentioned driving is convex
Block is slidably matched with above-mentioned arc chute, and the above-mentioned debugging bar other end passes through above-mentioned through hole, and the debugging bar other end is within the cavity,
Above-mentioned driving projection is connected with spring, and the spring connects above-mentioned cover plate, and above-mentioned spring keeps pretightning force, the outer wall of above-mentioned debugging bar
Provided with dielectric layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510989489.4A CN105390781B (en) | 2015-12-28 | 2015-12-28 | Wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510989489.4A CN105390781B (en) | 2015-12-28 | 2015-12-28 | Wave filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105390781A CN105390781A (en) | 2016-03-09 |
| CN105390781B true CN105390781B (en) | 2017-11-14 |
Family
ID=55422788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510989489.4A Active CN105390781B (en) | 2015-12-28 | 2015-12-28 | Wave filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105390781B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5859576A (en) * | 1996-03-29 | 1999-01-12 | Illinois Superconductor Corporation | Extended spring loaded tuner |
| CN1585188A (en) * | 2003-08-23 | 2005-02-23 | Kmw株式会社 | Variable radio frequency band filter |
| CN203260698U (en) * | 2013-04-16 | 2013-10-30 | 深圳光启创新技术有限公司 | Cavity filter |
| CN205303633U (en) * | 2015-12-28 | 2016-06-08 | 范学超 | Filter |
-
2015
- 2015-12-28 CN CN201510989489.4A patent/CN105390781B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5859576A (en) * | 1996-03-29 | 1999-01-12 | Illinois Superconductor Corporation | Extended spring loaded tuner |
| CN1585188A (en) * | 2003-08-23 | 2005-02-23 | Kmw株式会社 | Variable radio frequency band filter |
| CN203260698U (en) * | 2013-04-16 | 2013-10-30 | 深圳光启创新技术有限公司 | Cavity filter |
| CN205303633U (en) * | 2015-12-28 | 2016-06-08 | 范学超 | Filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105390781A (en) | 2016-03-09 |
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