CN112563703A - Resonant rod assembly structure of 5G filter - Google Patents
Resonant rod assembly structure of 5G filter Download PDFInfo
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- CN112563703A CN112563703A CN202011610993.6A CN202011610993A CN112563703A CN 112563703 A CN112563703 A CN 112563703A CN 202011610993 A CN202011610993 A CN 202011610993A CN 112563703 A CN112563703 A CN 112563703A
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- cavity
- filter
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- resonant
- cover plate
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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 invention discloses a resonant rod assembly structure of a 5G filter, which comprises a filter cavity, a cover plate and a resonant rod, wherein the cover plate is arranged on the filter cavity; the cover plate is used for sealing the filter cavity to form a resonant cavity, the top of the filter cavity is provided with a plurality of first positioning holes, the first positioning holes are positioned on the periphery of the resonant cavity, the bottom of the cover plate is provided with a plurality of first positioning bulges in one-to-one correspondence with the first positioning holes, each first positioning bulge is inserted into the corresponding first positioning hole, and the outer peripheral wall of each first positioning bulge is coated with a first tin paste layer; the resonance pole is located the central point of resonant cavity and is put, and the bottom center department of resonance pole is equipped with the second locating hole, is equipped with the erection column on the diapire of resonant cavity, and the top center department of erection column is equipped with the second location arch, and the second location arch inserts in the second locating hole, and the top surface coating of erection column has the second tin cream layer. The resonant rod assembly structure of the 5G filter is reasonable in structure, and effectively solves the problems that a cavity filter in the prior art is complex to process and large in size.
Description
Technical Field
The invention relates to a resonant rod assembling structure of a 5G filter.
Background
With the development of wireless communication technology, the requirements for miniaturization and integration of a cavity filter are higher and higher, especially in a 5G frequency band, high integration of key components such as an antenna filter is realized, and higher requirements for miniaturization of the filter are provided, so that the key component structure of the filter needs to be miniaturized, and the traditional resonant rod mounting mode cannot meet the requirement for miniaturization.
Disclosure of Invention
The invention aims to provide a resonant rod assembling structure of a 5G filter, which is reasonable in structure and effectively solves the problems of complex processing and large volume of a cavity filter in the prior art.
In order to achieve the purpose, the technical scheme of the invention is to design a resonant rod assembly structure of a 5G filter, which comprises a filter cavity, a cover plate and a resonant rod;
the cover plate is used for sealing the filter cavity to form a resonant cavity, a plurality of first positioning holes are formed in the top of the filter cavity and are located on the periphery of the resonant cavity, the first positioning holes are uniformly distributed along the circumferential direction of the resonant cavity, a plurality of first positioning bulges in one-to-one correspondence with the first positioning holes are formed in the bottom of the cover plate, each first positioning bulge is inserted into the corresponding first positioning hole, and a first tin paste layer is coated on the outer circumferential wall of each first positioning bulge;
the resonant rod is arranged at the center of the resonant cavity and is of a hollow structure with an open top, a second positioning hole is formed in the center of the bottom of the resonant rod and communicated with the inner cavity of the resonant rod, an installation column is arranged on the bottom wall of the resonant cavity, a second positioning bulge is arranged at the center of the top of the installation column and inserted into the second positioning hole, and a second tin paste layer is coated on the top surface of the installation column.
Preferably, the cover plate is connected with a tuning screw corresponding to the resonance rod.
Preferably, the tuning screw is connected with a locking nut positioned above the cover plate.
Preferably, the top of the filter cavity is provided with an annular groove located at the periphery of the first positioning hole, and the bottom wall of the annular groove is coated with a third solder paste layer.
Preferably, the opening of the resonant rod is provided with a capacitance loading disc extending outwards in the radial direction.
Preferably, the first positioning protrusion is integrally formed with the cover plate.
Preferably, the mounting post is integrally formed with the filter cavity.
The invention has the advantages and beneficial effects that: the utility model provides a resonance bar assembly structure of 5G wave filter, its is rational in infrastructure, and has effectively solved among the prior art cavity filter processing complicacy, the great problem of volume.
The second positioning bulge is arranged on the mounting column, and the second positioning hole which is in plug-in fit with the second positioning bulge is arranged on the resonance rod, so that the resonance rod is convenient to position and mount; and, by coating the second solder paste layer on the top surface of the mounting post, when the second solder paste layer is heated at a high temperature, the second solder paste layer is melted, so that the resonance bar is soldered with the mounting post. The first positioning bulges are arranged on the cover plate, and the first positioning holes which are in one-to-one corresponding inserting fit with the first positioning bulges are arranged on the cavity of the filter, so that the cover plate is convenient to position and mount; and, through coating first tin cream layer and at the diapire coating third tin cream layer of ring channel on the bellied periphery wall in first location, when first tin cream layer of high temperature heating and third tin cream layer, first tin cream layer and third tin cream layer melt for the apron is in the same place with the welding of filter cavity, and has effectively improved the leakproofness between apron and the filter cavity.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 and 2, a resonant rod assembly structure of a 5G filter comprises a filter cavity 1, a cover plate 2 and a resonant rod 3;
the cover plate 2 is used for sealing the filter cavity 1 to form a resonant cavity 4, a plurality of first positioning holes are formed in the top of the filter cavity 1 and are located on the periphery of the resonant cavity 4, the first positioning holes are uniformly distributed along the circumferential direction of the resonant cavity 4, a plurality of first positioning protrusions 21 which correspond to the first positioning holes one by one are arranged at the bottom of the cover plate 2, each first positioning protrusion 21 is inserted into the corresponding first positioning hole, and a first tin paste layer 5 is coated on the outer circumferential wall of each first positioning protrusion 21;
resonance pole 3 locates the central point of resonant cavity 4 and puts, and this resonance pole 3 is open-topped hollow structure, and the bottom center department of this resonance pole 3 is equipped with the second locating hole, and this second locating hole is linked together with resonance pole 3's inside cavity, be equipped with erection column 11 on the diapire of resonant cavity 4, the top center department of this erection column 11 is equipped with second location arch 111, and this second location arch 111 inserts in the second locating hole, the top surface coating of erection column 11 has second tin cream layer 6.
The cover plate 2 is connected with a tuning screw 7 corresponding to the resonance rod 3.
The tuning screw 7 is connected with a locking nut 8 which is positioned above the cover plate 2.
The top of the filter cavity 1 is provided with an annular groove 12 positioned at the periphery of the first positioning hole, and the bottom wall of the annular groove 12 is coated with a third solder paste layer 9.
The opening of the resonant rod 3 is provided with a capacitor loading disc 31 extending radially outwards.
The first positioning protrusion 21 is integrally formed with the cover plate 2.
The mounting post 11 is integrally formed with the filter cavity 1.
The invention has the advantages and beneficial effects that: the utility model provides a resonance bar assembly structure of 5G wave filter, its is rational in infrastructure, and has effectively solved among the prior art cavity filter processing complicacy, the great problem of volume.
The second positioning bulge 111 is arranged on the mounting column 11, and the second positioning hole which is in inserted fit with the second positioning bulge 111 is arranged on the resonance rod 3, so that the resonance rod 3 is convenient to position and mount; and, by coating the second solder paste layer 6 on the top surface of the mounting post 11, when the second solder paste layer 6 is heated at a high temperature, the second solder paste layer 6 is melted, so that the resonance bar 3 is welded with the mounting post 11. The cover plate 2 is provided with the first positioning bulges 21, and the filter cavity 1 is provided with the first positioning holes which are in one-to-one corresponding inserting fit with the first positioning bulges 21, so that the positioning and the installation of the cover plate 2 are facilitated; and, through coating first tin cream layer 5 and at the third tin cream layer 9 of the diapire coating of ring channel 12 on the periphery wall of first location arch 21, when high temperature heating first tin cream layer 5 and third tin cream layer 9, first tin cream layer 5 and third tin cream layer 9 melt for apron 2 is in the same place with the welding of filter cavity 1, and has effectively improved the leakproofness between apron 2 and filter cavity 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A resonant rod assembly structure of a 5G filter is characterized by comprising a filter cavity, a cover plate and a resonant rod;
the cover plate is used for sealing the filter cavity to form a resonant cavity, a plurality of first positioning holes are formed in the top of the filter cavity and are located on the periphery of the resonant cavity, the first positioning holes are uniformly distributed along the circumferential direction of the resonant cavity, a plurality of first positioning bulges in one-to-one correspondence with the first positioning holes are formed in the bottom of the cover plate, each first positioning bulge is inserted into the corresponding first positioning hole, and a first tin paste layer is coated on the outer circumferential wall of each first positioning bulge;
the resonant rod is arranged at the center of the resonant cavity and is of a hollow structure with an open top, a second positioning hole is formed in the center of the bottom of the resonant rod and communicated with the inner cavity of the resonant rod, an installation column is arranged on the bottom wall of the resonant cavity, a second positioning bulge is arranged at the center of the top of the installation column and inserted into the second positioning hole, and a second tin paste layer is coated on the top surface of the installation column.
2. The resonance bar assembling structure of 5G filter according to claim 1, wherein tuning screws corresponding to the resonance bars are attached to the cover plate.
3. The resonance bar assembling structure of 5G filter according to claim 2, wherein a lock nut is attached to the tuning screw above the cover plate.
4. The resonator rod assembly structure of a 5G filter according to claim 3, wherein the top of the filter cavity is provided with an annular groove located at the periphery of the first positioning hole, and a bottom wall of the annular groove is coated with the third solder paste layer.
5. The resonant rod mounting structure of claim 4, wherein the opening of the resonant rod is provided with a capacitor loading plate extending radially outward.
6. The resonance bar assembling structure of 5G filter according to claim 5, wherein said first positioning projection is formed integrally with the cover plate.
7. The resonance rod assembling structure of 5G filter according to claim 6, wherein said mounting post is integrally formed with the filter cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610993.6A CN112563703A (en) | 2020-12-31 | 2020-12-31 | Resonant rod assembly structure of 5G filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610993.6A CN112563703A (en) | 2020-12-31 | 2020-12-31 | Resonant rod assembly structure of 5G filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112563703A true CN112563703A (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011610993.6A Pending CN112563703A (en) | 2020-12-31 | 2020-12-31 | Resonant rod assembly structure of 5G filter |
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| Country | Link |
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| CN (1) | CN112563703A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1903631A1 (en) * | 2006-09-22 | 2008-03-26 | MT S.r.l. | Coaxial cavity resonator |
| CN202474161U (en) * | 2012-03-06 | 2012-10-03 | 成都市大富科技有限公司 | Cavity filter and communication radio frequency device |
| CN106992344A (en) * | 2017-05-27 | 2017-07-28 | 成都富优特科技有限公司 | A kind of cavity of cavity body filter and the attachment structure of cover plate |
| CN212209714U (en) * | 2020-06-10 | 2020-12-22 | 昆山立讯射频科技有限公司 | Cavity filter |
-
2020
- 2020-12-31 CN CN202011610993.6A patent/CN112563703A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1903631A1 (en) * | 2006-09-22 | 2008-03-26 | MT S.r.l. | Coaxial cavity resonator |
| CN202474161U (en) * | 2012-03-06 | 2012-10-03 | 成都市大富科技有限公司 | Cavity filter and communication radio frequency device |
| CN106992344A (en) * | 2017-05-27 | 2017-07-28 | 成都富优特科技有限公司 | A kind of cavity of cavity body filter and the attachment structure of cover plate |
| CN212209714U (en) * | 2020-06-10 | 2020-12-22 | 昆山立讯射频科技有限公司 | Cavity filter |
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Application publication date: 20210326 |