CN205303633U - Filter - Google Patents
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- CN205303633U CN205303633U CN201521097181.0U CN201521097181U CN205303633U CN 205303633 U CN205303633 U CN 205303633U CN 201521097181 U CN201521097181 U CN 201521097181U CN 205303633 U CN205303633 U CN 205303633U
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Abstract
The utility model relates to a filtering technique field, concretely relates to filter. The utility model discloses a filter, including the resonant cavity, this resonant cavity includes cavity, harmonic oscillator and apron, and in above -mentioned harmonic oscillator was fixed in the cavity, above -mentioned apron was fixed in the cavity upper surface through fastening screw, and above -mentioned apron is equipped with the frequency adjustment subassembly, and the body of above -mentioned harmonic oscillator is the metal body, and the body inner wall of above -mentioned harmonic oscillator is equipped with dielectric layer. The beneficial effects of the utility model are that: this filter is small and power is big.
Description
Technical field
This utility model relates to technical field of filtering, is specifically related to a kind of wave filter.
Background technology
The filter circuit that power-supply filter is made up of electric capacity, inductance and resistance. The frequency of characteristic frequency in power line or the frequency beyond this frequency can be effectively filtered out by wave filter, obtain the power supply signal of a characteristic frequency, or eliminate the power supply signal after a characteristic frequency.
Along with progress and the development of microwave technology, wave filter selects to be widely used in communication technical field, especially technology for radio frequency field as a kind of frequency. Wave filter is widely used in communication and launches and in the base station of reception, and wave filter is used to select signal of communication, eliminates the clutter outside signal of communication and interference signal.
Along with the fast development of wave filter, the wave filter that a kind of volume small-power is big is needed in market badly.
Utility model content
The purpose of this utility model is in that to provide a kind of wave filter, and this wave filter volume is little and power is big.
For achieving the above object, this utility model provides following technical scheme:
A kind of wave filter, including resonator cavity, this resonator cavity 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 and adjusts assembly, 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. The effect of this structure is in that, arranging of dielectric layer can avoid on the one hand debugging assembly contact with harmonic oscillator and damage wave filter, the opposing party by sub for dielectric resonance and metal harmonic oscillator in combination with, play the effect reducing volume expansion power.
Preferably, above-mentioned cover plate is provided with screwed hole, and said frequencies adjusts assembly and includes debugging bar, and this debugging bar is debugging threaded rod, and above-mentioned debugging bar is assemblied in above-mentioned screwed hole, and above-mentioned debugging bar is provided with at least two driving wheel, and the diameter of above-mentioned driving wheel is not etc. The effect of this structure is in that, two driving wheels can play the effect that coarse adjustment combines with thin tuning so that regulates quick and precisely, is conveniently adjusted to the resonant frequency of 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, said frequencies adjusts assembly and includes a bracer and debugging bar, above-mentioned support is packaged is assigned in cover plate outer wall, above-mentioned bracer sidewall is provided with arc chute, above-mentioned debugging bar one end is provided with driving projection, this driving projection is placed in above-mentioned arc chute, above-mentioned driving projection and above-mentioned arc chute are slidably matched, the above-mentioned debugging bar other end is through above-mentioned through hole, and the debugging bar other end is within the cavity, and above-mentioned driving projection is connected to spring, this spring connects above-mentioned cover plate, and above-mentioned spring keeps pretightning force. The effect of this structure is in that, in some cases, resonator has only to the resonant frequency of two points, drive projection due to the effect of spring, only can stop at two end points of arc chute, will not stop in the middle part of arc chute so that debug bar one end within the cavity and only stop at two points, the convenient debugging of this structure, switches rapidly and accurately between two resonant frequency points.
Preferably, above-mentioned arc chute slidable fit has the first slide block and the second slide block, and above-mentioned driving projection is between the first slide block and the second slide block, and above-mentioned first slide block and the second slide block are respectively provided with its trip bolt fixing with arc chute.The effect of this structure is in that, the first slide block and the second slide block can the position of this arc chute end points respectively, namely can adjust the value of two resonant frequency points respectively.
Preferably, the outer wall of above-mentioned debugging bar is provided with dielectric layer.
The beneficial effects of the utility model are: this wave filter volume is little and power is big.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram that this utility model frequency adjusts a kind of embodiment of assembly;
Fig. 3 is the schematic diagram that this utility model frequency adjusts assembly another embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is further described. Following example are only for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
The technical scheme that this utility model is embodied as is:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of wave filter, including resonator cavity, this resonator cavity includes 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 cavity 1 upper surface by trip bolt 4, and above-mentioned cover plate 3 is equipped with frequency and adjusts assembly, 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 dielectric layer 21. The effect of this structure is in that, arranging of dielectric layer 21 can avoid on the one hand debugging assembly to contact with harmonic oscillator 2 and damage wave filter, the opposing party by dielectric resonance 2 and metal harmonic oscillator 2 in combination with, play the effect reducing volume expansion power.
Above-mentioned cover plate 3 is provided with screwed hole, and said frequencies adjusts assembly and includes debugging bar 5, and this debugging bar 5 is debugging threaded rod, and above-mentioned debugging bar 5 is assemblied in above-mentioned screwed hole, and above-mentioned debugging bar 5 is provided with at least two driving wheel, and the diameter of above-mentioned driving wheel is not etc. The effect of this structure is in that, two driving wheels can play the effect that coarse adjustment combines with thin tuning so that regulates quick and precisely, is conveniently adjusted to the resonant frequency of needs.
Above-mentioned driving wheel includes the first driving wheel 51 and the second driving wheel 52, and the first driving wheel 51 diameter is more than the second driving wheel 52 diameter, and the second driving wheel 52 is for thick range regulation, and the first driving wheel 51 is for regulating 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 cavity, this resonator cavity includes 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 cavity 1 upper surface by trip bolt 4, and above-mentioned cover plate 3 is equipped with frequency and adjusts assembly, 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 dielectric layer 21. The effect of this structure is in that, arranging of dielectric layer 21 can avoid on the one hand debugging assembly to contact with harmonic oscillator 2 and damage wave filter, the opposing party by dielectric resonance 2 and metal harmonic oscillator 2 in combination with, play the effect reducing volume expansion power.
Above-mentioned cover plate 3 is provided with through hole 31, said frequencies adjusts assembly and includes a bracer 6 and debugging bar 5, above-mentioned bracer 6 is assemblied in cover plate 3 outer wall, above-mentioned bracer 6 sidewall is provided with arc chute 61, above-mentioned debugging bar 5 one end is provided with driving projection 53, this driving projection 53 is placed in above-mentioned arc chute 61, above-mentioned driving projection 53 is slidably matched with above-mentioned arc chute 61, the above-mentioned debugging bar 5 other end above-mentioned through hole 31 of traverse, debugging bar 5 other end is positioned at cavity 1, above-mentioned driving projection 53 is connected to spring 7, this spring 7 connects above-mentioned cover plate 3, above-mentioned spring 7 keeps pretightning force.The effect of this structure is in that, in some cases, resonator has only to the resonant frequency of two points, drive projection 53 due to the effect of spring 7, only can stop at two end points of arc chute 61, will not stop in the middle part of arc chute 61 so that debugging bar 5 is positioned at one end of cavity 1 and only stops at two points, the convenient debugging of this structure, switches rapidly and accurately between two resonant frequency points.
Above-mentioned arc chute 61 slidable fit has the first slide block 611 and the second slide block 612, above-mentioned driving projection 53 is between the first slide block 611 and the second slide block 612, and above-mentioned first slide block 611 and the second slide block 612 are respectively provided with its trip bolt 4 fixing with arc chute 61. The effect of this structure is in that, the first slide block 611 and the second slide block 612 can the position of this arc chute 61 end points respectively, namely can adjust the value of two resonant frequency points respectively.
The outer wall of above-mentioned debugging bar 5 is provided with dielectric layer 21.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the premise without departing from this utility model know-why; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. a wave filter, including resonator cavity, this resonator cavity 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, and above-mentioned cover plate is equipped with frequency and adjusts assembly, it is characterised in that, 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.
2. wave filter according to claim 1, it is characterized in that, above-mentioned cover plate is provided with screwed hole, said frequencies adjusts assembly and includes debugging bar, this debugging bar is debugging threaded rod, above-mentioned debugging bar is assemblied in above-mentioned screwed hole, and above-mentioned debugging bar is provided with at least two driving wheel, and the diameter of above-mentioned driving wheel is not etc.
3. wave filter according to claim 2, it is characterised in that the outer wall of above-mentioned debugging bar is provided with dielectric layer.
4. wave filter according to claim 1, it is characterized in that, above-mentioned cover plate is provided with through hole, said frequencies adjusts assembly and includes a bracer and debugging bar, above-mentioned support is packaged is assigned in cover plate outer wall, above-mentioned bracer sidewall is provided with arc chute, above-mentioned debugging bar one end is provided with driving projection, this driving projection is placed in above-mentioned arc chute, above-mentioned driving projection and above-mentioned arc chute are slidably matched, the above-mentioned debugging bar other end above-mentioned through hole of traverse, the debugging bar other end is within the cavity, above-mentioned driving projection is connected to spring, this spring connects above-mentioned cover plate, above-mentioned spring keeps pretightning force.
5. wave filter according to claim 4, it is characterized in that, above-mentioned arc chute slidable fit has the first slide block and the second slide block, above-mentioned driving projection is between the first slide block and the second slide block, and above-mentioned first slide block and the second slide block are respectively provided with its trip bolt fixing with arc chute.
6. wave filter according to claim 5, it is characterised in that the outer wall of above-mentioned debugging bar is provided with dielectric layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097181.0U CN205303633U (en) | 2015-12-28 | 2015-12-28 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097181.0U CN205303633U (en) | 2015-12-28 | 2015-12-28 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303633U true CN205303633U (en) | 2016-06-08 |
Family
ID=56472736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521097181.0U Expired - Fee Related CN205303633U (en) | 2015-12-28 | 2015-12-28 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390781A (en) * | 2015-12-28 | 2016-03-09 | 范学超 | Filter |
| CN108709548A (en) * | 2018-05-24 | 2018-10-26 | 上海航天控制技术研究所 | A kind of online frequency modulation tuner of solid oscillation gyro harmonic oscillator and method |
-
2015
- 2015-12-28 CN CN201521097181.0U patent/CN205303633U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390781A (en) * | 2015-12-28 | 2016-03-09 | 范学超 | Filter |
| CN105390781B (en) * | 2015-12-28 | 2017-11-14 | 范学超 | Wave filter |
| CN108709548A (en) * | 2018-05-24 | 2018-10-26 | 上海航天控制技术研究所 | A kind of online frequency modulation tuner of solid oscillation gyro harmonic oscillator and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |