CN204596930U - Filter and harmonic oscillator thereof - Google Patents
Filter and harmonic oscillator thereof Download PDFInfo
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- CN204596930U CN204596930U CN201520353335.1U CN201520353335U CN204596930U CN 204596930 U CN204596930 U CN 204596930U CN 201520353335 U CN201520353335 U CN 201520353335U CN 204596930 U CN204596930 U CN 204596930U
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- harmonic oscillator
- dish
- resonant column
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Abstract
The utility model provides a kind of filter and harmonic oscillator thereof, and this harmonic oscillator comprises resonant column and coated by dielectric dish, and the lower end of coated by dielectric dish is provided with dielectric extension, and dielectric extension is positioned at the inside of resonant column.In the utility model, the lower end of the coated by dielectric dish of harmonic oscillator is provided with dielectric extension, and dielectric extension is positioned at the inside of resonant column.Like this, just effectively increase the floating head area of medium, improve the power capacity of the filter be made up of this harmonic oscillator.In addition, by arranging this dielectric extension, buffer action can be played to resonant column resonant cavity body.
Description
Technical field
The utility model relates to filtering field, in particular to a kind of filter and harmonic oscillator thereof.
Background technology
Microwave band-pass filter is one of vitals in radio-frequency communication, and its structural design has conclusive impact to the volume of system unit, weight.In order to the demand of satisfied miniaturization, the contradiction of volume and index must be overcome, realize the filter of filter with low insertion loss and high selectivity, make parts implementation structure optimization most possibly.
But comparatively large, between metal resonant rod and resonant cavity cover plate the buffer action of filter volume of the prior art is less, makes the power capacity of filter lower.
Utility model content
Main purpose of the present utility model is to provide a kind of filter and harmonic oscillator thereof, with the problem that the power capacity solving filter of the prior art is lower.
To achieve these goals, according to an aspect of the present utility model, provide a kind of harmonic oscillator, comprise resonant column and coated by dielectric dish, the lower end of coated by dielectric dish is provided with dielectric extension, and dielectric extension is positioned at the inside of resonant column.
Further, coated by dielectric dish and dielectric extension one-body molded.
Further, coated by dielectric dish and dielectric extension are nonmetal parts.
Further, coated by dielectric dish and dielectric extension are ceramic member.
Further, dielectric extension is straight tube-like.
Further, dielectric extension is cylindrical shell, and the diapire of dielectric extension is provided with connecting hole.
Further, connecting hole is screwed hole.
Further, coated by dielectric dish is annular, and coated by dielectric dish extends towards the outside of dielectric extension.
Further, the thickness of coated by dielectric dish is identical with the thickness of the sidewall of dielectric extension, and is all less than the thickness of the diapire of dielectric extension.
Further, resonant column is tubular, and the bottom of resonant column is provided with installing hole.
Further, the upper end of resonant column is provided with the adpting flange matched with coated by dielectric dish.
Further, resonant column is metalwork.
Further, the lower surface of coated by dielectric dish is provided with metal connecting layer, and coated by dielectric dish is connected with the adpting flange of resonant column by metal connecting layer.
Further, metal connecting layer is silver layer.
Further, adpting flange and coated by dielectric dish be arranged in parallel, and the outer face of the outer face of adpting flange and coated by dielectric dish is on same ring surface.
Further, the thickness of adpting flange is identical with the thickness of coated by dielectric dish.
Further, adpting flange extends towards the outside of resonant column.
Further, the thickness of the sidewall of the thickness of the diapire of resonant column, the thickness of adpting flange and resonant column reduces successively.
According to another aspect of the present utility model, provide a kind of filter, comprise housing and be arranged on the harmonic oscillator in housing, harmonic oscillator is above-mentioned harmonic oscillator.
Further, filter also comprises base, and base is arranged on the lower end of housing, and harmonic oscillator is arranged on base.
Further, harmonic oscillator is connected with base by bolt.
In the utility model, the lower end of the coated by dielectric dish of harmonic oscillator is provided with dielectric extension, and dielectric extension is positioned at the inside of resonant column.Like this, just effectively increase the floating head area of medium, improve the power capacity of the filter be made up of this harmonic oscillator.
In addition, by arranging this dielectric extension, buffer action can be played to resonant column resonant cavity body.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment of first of the present utility model; And
Fig. 2 shows the structural representation of second embodiment of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, resonant column; 11, installing hole; 12, adpting flange; 20, coated by dielectric dish; 21, metal connecting layer; 30, dielectric extension; 31, connecting hole.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
According to an aspect of the present utility model, provide a kind of harmonic oscillator, please refer to Fig. 1 and Fig. 2, this harmonic oscillator comprises resonant column 10 and coated by dielectric dish 20, the lower end of coated by dielectric dish 20 is provided with dielectric extension 30, and dielectric extension 30 is positioned at the inside of resonant column 10.
In the utility model, the lower end of the coated by dielectric dish 20 of harmonic oscillator is provided with dielectric extension 30, and dielectric extension 30 is positioned at the inside of resonant column 10.Like this, just effectively increase the floating head area of medium, improve the power capacity of the filter be made up of this harmonic oscillator.
In addition, by arranging this dielectric extension 30, buffer action can be played to resonant column 10 resonant cavity body.
Preferably, coated by dielectric dish 20 and dielectric extension 30 one-body molded.In this application, coated by dielectric dish 20 and dielectric extension 30 are integrally formed, and simplify manufacture craft, reduce cost of manufacture.
Preferably, coated by dielectric dish 20 and dielectric extension 30 are nonmetal parts.
Preferably, coated by dielectric dish 20 and dielectric extension 30 are ceramic member.Ceramic making coated by dielectric dish 20 and dielectric extension 30 is utilized to be conducive to realizing the work of filter.
Preferably, dielectric extension 30 is straight tube-like.In this application, arrange centre bore in coated by dielectric dish 20, the through hole in dielectric extension 30 communicates with the centre bore of coated by dielectric dish 20.Preferably, the through hole in dielectric extension 30 and the centre bore of coated by dielectric dish 20 are coaxially arranged.
Preferably, the wall thickness of dielectric extension 30 is greater than the wall thickness of resonant column 10.
Preferably, dielectric extension 30 is cylindrical shell, and the diapire of dielectric extension 30 is provided with connecting hole 31.By arranging connecting hole 31, the installation of harmonic oscillator can be realized more easily.
Preferably, connecting hole 31 is screwed hole.
Preferably, coated by dielectric dish 20 is annular, and coated by dielectric dish 20 extends towards the outside of described dielectric extension 30.Such setting, can more easily by spacing for coated by dielectric dish 20 top at resonant column 10.
Preferably, the thickness of coated by dielectric dish 20 is identical with the thickness of the sidewall of dielectric extension 30, and is all less than the thickness of the diapire of dielectric extension 30.
Preferably, resonant column 10 is tubular, and the bottom of resonant column 10 is provided with installing hole 11.By arranging installing hole 11, the installation of harmonic oscillator can be realized more easily.
Preferably, the upper end of resonant column 10 is provided with the adpting flange 12 matched with coated by dielectric dish 20.By arranging adpting flange 12, be conducive to realizing the connection between coated by dielectric dish 20 and resonant column 10.
Preferably, resonant column 10 is metalwork.
Preferably, the lower surface of coated by dielectric dish 20 is provided with metal connecting layer 21, and coated by dielectric dish 20 is connected with the adpting flange 12 of resonant column 10 by metal connecting layer 21.
Preferably, metal connecting layer 21 is silver layer.Due to coated by dielectric dish 20 for ceramic material is made, the resonant column 10 that can not directly make with metal material is connected, so arrange the connection that metal connecting layer 21 can realize between coated by dielectric dish 20 and resonant column 10.
Preferably, adpting flange 12 and coated by dielectric dish 20 be arranged in parallel, and the outer face of the outer face of adpting flange 12 and coated by dielectric dish 20 is on same ring surface.So both can realize the connection between adpting flange 12 and coated by dielectric dish 20 more easily, the outside gentle transition of whole harmonic oscillator can also have been made, reduce sharp-pointed appearance of protruding.
Preferably, the thickness of adpting flange 12 is identical with the thickness of coated by dielectric dish 20.Like this, the intensity of adpting flange 12 and coated by dielectric dish 20 can be ensured.
Preferably, adpting flange 12 extends towards the outside of resonant column 10.The connection that can realize more easily between adpting flange 12 and coated by dielectric dish 20 is set like this.
Preferably, the thickness of the sidewall of the thickness of the diapire of resonant column 10, the thickness of adpting flange 12 and resonant column 10 reduces successively.
According to another aspect of the present utility model, provide a kind of filter, comprise housing and be arranged on the harmonic oscillator in housing, harmonic oscillator is above-mentioned harmonic oscillator.
Filter in the application has higher power capacity.
Preferably, filter also comprises base, and base is arranged on the lower end of housing, and harmonic oscillator is arranged on base.By arranging base, the installation of harmonic oscillator can be realized more easily.
Preferably, harmonic oscillator is connected with base by bolt.
In this application, one end of bolt makes harmonic oscillator be installed on base through behind the hole bottom harmonic oscillator.
As shown in Figure 1 and Figure 2, the lower end of coated by dielectric dish 20 is provided with dielectric extension, and its entirety is a ceramic sleeve having loading disc, and this ceramic sleeve can have the end, also can not have the end.As can be seen from simulation result, this programme about 100MHz lower than the resonance frequency of prior art, miniaturization is more abundant.
Because the dielectric overlay area of this programme is large, there is buffer action between metal resonant rod resonant cavity body cover plate further, therefore adopt the power capacity of the filter of this programme resonant rod structure also than the height of prior art.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
In the utility model, the lower end of the coated by dielectric dish 20 of harmonic oscillator is provided with dielectric extension 30, and dielectric extension 30 is positioned at the inside of resonant column 10.Like this, just effectively increase the floating head area of medium, improve the power capacity of the filter be made up of this harmonic oscillator.
In addition, by arranging this dielectric extension 30, buffer action can be played to resonant column 10 resonant cavity body.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (21)
1. a harmonic oscillator, comprise resonant column (10) and coated by dielectric dish (20), it is characterized in that, the lower end of described coated by dielectric dish (20) is provided with dielectric extension (30), and described dielectric extension (30) is positioned at the inside of described resonant column (10).
2. harmonic oscillator according to claim 1, is characterized in that, described coated by dielectric dish (20) and described dielectric extension (30) one-body molded.
3. harmonic oscillator according to claim 1, is characterized in that, described coated by dielectric dish (20) and described dielectric extension (30) are nonmetal parts.
4. harmonic oscillator according to claim 1, is characterized in that, described coated by dielectric dish (20) and described dielectric extension (30) are ceramic member.
5. harmonic oscillator according to claim 1, is characterized in that, described dielectric extension (30) is straight tube-like.
6. harmonic oscillator according to claim 1, is characterized in that, described dielectric extension (30) is cylindrical shell, and the diapire of described dielectric extension (30) is provided with connecting hole (31).
7. harmonic oscillator according to claim 6, is characterized in that, described connecting hole (31) is screwed hole.
8. harmonic oscillator according to claim 6, is characterized in that, described coated by dielectric dish (20) is annular, and described coated by dielectric dish (20) extends towards the outside of described dielectric extension (30).
9. harmonic oscillator according to claim 8, it is characterized in that, the thickness of described coated by dielectric dish (20) is identical with the thickness of the sidewall of described dielectric extension (30), and is all less than the thickness of the diapire of described dielectric extension (30).
10. harmonic oscillator according to claim 1, is characterized in that, described resonant column (10) is tubular, and the bottom of described resonant column (10) is provided with installing hole (11).
11. harmonic oscillators according to claim 8, is characterized in that, the upper end of described resonant column (10) is provided with the adpting flange (12) matched with described coated by dielectric dish (20).
12. harmonic oscillators according to claim 11, is characterized in that, described resonant column (10) is metalwork.
13. harmonic oscillators according to claim 12, it is characterized in that, the lower surface of described coated by dielectric dish (20) is provided with metal connecting layer (21), and described coated by dielectric dish (20) is connected with the described adpting flange (12) of described resonant column (10) by described metal connecting layer (21).
14. harmonic oscillators according to claim 13, is characterized in that, described metal connecting layer (21) is silver layer.
15. harmonic oscillators according to claim 11, it is characterized in that, described adpting flange (12) and described coated by dielectric dish (20) be arranged in parallel, and the outer face of the outer face of described adpting flange (12) and described coated by dielectric dish (20) is on same ring surface.
16. harmonic oscillators according to claim 15, is characterized in that, the thickness of described adpting flange (12) is identical with the thickness of described coated by dielectric dish (20).
17. harmonic oscillators according to claim 11, is characterized in that, described adpting flange (12) extends towards the outside of described resonant column (10).
18. harmonic oscillators according to claim 17, is characterized in that, the thickness of the thickness of the thickness of the diapire of described resonant column (10), described adpting flange (12) and the sidewall of described resonant column (10) reduces successively.
19. 1 kinds of filters, comprise housing and are arranged on the harmonic oscillator in housing, it is characterized in that, the harmonic oscillator of described harmonic oscillator according to any one of claim 1 to 18.
20. filters according to claim 19, it is characterized in that, described filter also comprises base, described base is arranged on the lower end of described housing, and described harmonic oscillator is arranged on described base.
21. filters according to claim 20, is characterized in that, described harmonic oscillator is connected with described base by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353335.1U CN204596930U (en) | 2015-05-27 | 2015-05-27 | Filter and harmonic oscillator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353335.1U CN204596930U (en) | 2015-05-27 | 2015-05-27 | Filter and harmonic oscillator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204596930U true CN204596930U (en) | 2015-08-26 |
Family
ID=53933049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520353335.1U Active CN204596930U (en) | 2015-05-27 | 2015-05-27 | Filter and harmonic oscillator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204596930U (en) |
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2015
- 2015-05-27 CN CN201520353335.1U patent/CN204596930U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210618 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518034 Guangdong, Shenzhen, Futian District, Shennan Road and colored field road intersection C East Block New World Plaza 2007-27 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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| TR01 | Transfer of patent right |