CN110911790B - Cavity band-pass filter - Google Patents
Cavity band-pass filter Download PDFInfo
- Publication number
- CN110911790B CN110911790B CN201911258685.9A CN201911258685A CN110911790B CN 110911790 B CN110911790 B CN 110911790B CN 201911258685 A CN201911258685 A CN 201911258685A CN 110911790 B CN110911790 B CN 110911790B
- Authority
- CN
- China
- Prior art keywords
- pass filter
- low
- wall
- connecting piece
- filter
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
Abstract
The invention discloses a cavity band-pass filter. The high-pass filter and the low-pass filter are arranged in the installation shell and are communicated with each other, a left end cover is arranged on the outer wall of the left side of the installation shell, a right end cover is arranged on the outer wall of the right side of the installation shell through a pin shaft, and the low-pass filter is fixedly connected with the installation shell through screws on a fixing plate; meanwhile, the high-pass filter and the low-pass filter are detachably arranged, so that the disassembly or assembly work can be quickly carried out.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a cavity band-pass filter.
Background
The cavity band-pass filter is widely applied to a communication system, and has high requirements on in-band loss and out-of-band rejection of the cavity band-pass filter in order not to influence the performance of the communication system, and further has high requirements on errors of parameters such as resonant frequency, coupling coefficient and the like of the filter. The in-band loss and out-of-band rejection of the cavity bandpass filter are typically measured using a vector network analyzer.
The existing filter can filter waves, but in actual use, along with the development of satellite technology, the frequency spectrum resources of a payload are quite deficient, a high-performance filtering component for suppressing high clutter and harmonic waves needs to be developed, particularly an integrated filter component for suppressing the near-band high clutter and the far-band high harmonic waves is required, the filter lacks an effective connection mode in use, is not spliced seamlessly, needs to occupy some bandwidths, and causes that some frequency bands in a pass band cannot be used or the whole pass band is discontinuous, and common cavity filters are all split bin type, are not easy to detach in the process of maintenance, and are problems which actually exist and need to be solved urgently.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a cavity band-pass filter, stable connecting equipment is arranged between a high-pass filter and a low-pass filter, and the cavity band-pass filter is convenient to disassemble and repair.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a cavity band-pass filter comprises an installation shell, a high-pass filter and a low-pass filter, wherein the high-pass filter and the low-pass filter are arranged in the installation shell and are communicated with each other, a left end cover is arranged on the outer wall of the left side of the installation shell, a right end cover is arranged on the outer wall of the right side of the installation shell through a pin shaft, the high-pass filter is arranged on the left side of the low-pass filter, a fixed plate is fixedly arranged on the outer wall of the right side of the low-pass filter, the low-pass filter is fixedly connected with the installation shell through screws on the fixed plate, a limiting groove body is arranged on the outer wall of the high-pass filter, through holes are formed in the outer walls of the top and the bottom of the installation shell, two extension plates are arranged at the right end of the left end, and the tail end of each connecting block is fixedly provided with a limiting block matched with the limiting groove body.
Preferably, in the cavity band-pass filter, a connecting piece is installed between the high-pass filter and the low-pass filter, and the high-pass filter and the low-pass filter are electrically connected through the connecting piece.
Preferably, among the above-mentioned cavity band pass filter, the connecting piece is horizontal cylindric setting, the left side inner wall of connecting piece is seted up threadedly, the high pass filter is close to the link fixed mounting of connecting piece and has an external screw thread section of thick bamboo, just the high pass filter passes through screw thread and connecting piece fixed connection.
Preferably, in the above-mentioned cavity band pass filter, the guide slot has been seted up to the right side inner wall of connecting piece, low pass filter is close to the link outer wall fixed mounting of connecting piece have with the guide slot matched's guide block, low pass filter passes through the cooperation and the connecting piece swing joint of guide block and guide slot.
Preferably, in the cavity band-pass filter, the connecting columns are equally arranged at the right end of the high-pass filter, and the connecting groove matched with the connecting columns is formed in the outer wall of the left side of the low-pass filter.
Preferably, in the above cavity band-pass filter, heat dissipation holes are equally divided on the outer walls of the top and the bottom of the mounting housing.
Preferably, in the above-mentioned cavity band-pass filter, a magnet piece is installed at the bottom of the right end cover and the connection of the bottom of the installation shell, and the magnet piece is arranged by a different-polarity magnet.
Preferably, in the above-mentioned cavity band pass filter, the stopper is the hemisphere setting, and the stopper is the rubber material.
Preferably, in the above-mentioned cavity band pass filter, every the spring is all installed to the right side outer wall of connecting block, the spring mounting is in the inner chamber of through-hole.
The invention has the beneficial effects that: according to the invention, through the installation of the connecting piece, the stable seamless splicing between the high-pass filter and the low-pass filter can be realized, the radio-frequency signal energy can be directly transmitted between adjacent resonant cavities through the metal conductor, the continuity of a pass band is ensured, and the applicability and the application range of the device are improved; meanwhile, due to the detachable arrangement of the high-pass filter and the low-pass filter, the disassembly or assembly work can be rapidly carried out, the assembly or disassembly efficiency of the device is improved, and the follow-up work is favorably completed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the internal structure of the present invention.
FIG. 2 is an enlarged view of the invention at A in FIG. 1.
Fig. 3 is a schematic view of the internal structure of the connector of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. installing a shell; 2. a high-pass filter; 3. a low-pass filter; 4. a connecting member; 41. a thread; 42. a guide groove; 5. a left end cap; 6. a through hole; 7. connecting blocks; 8. a limiting block; 9. a limiting groove body; 10. a spring; 11. heat dissipation holes; 12. a fixing plate; 13. a right end cap; 14. a magnet block; 15. connecting columns; 16. and connecting the grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present embodiment is a cavity band-pass filter, including a mounting housing 1, a high-pass filter 2 and a low-pass filter 3, the high-pass filter 2 and the low-pass filter 3 are both disposed in the mounting housing 1, and the high-pass filter 2 and the low-pass filter 3 are connected to each other, a connecting member 4 is disposed between the high-pass filter 2 and the low-pass filter 3, and the high-pass filter 2 and the low-pass filter 3 are electrically connected by the connecting member 4, the connecting member 4 is disposed in a horizontal cylindrical shape, a thread 41 is disposed on a left inner wall of the connecting member 4, an external thread cylinder is fixedly disposed at a connecting end of the high-pass filter 2 close to the connecting member 4, the high-pass filter 2 is fixedly connected to the connecting member 4 by the thread 41, the connecting member 4 is mounted on the high-pass filter 2 by the thread 41, the low-pass filter 3 is movably connected with the connecting piece 4 through the matching of the guide block and the guide groove 42, the low-pass filter 3 can be inserted from the right end of the connecting piece 4, the connecting column 15 is installed at the right end of the high-pass filter 2 in an equal division mode, the connecting groove 16 matched with the connecting column 15 is formed in the outer wall of the left side of the low-pass filter 3, stable connecting equipment is arranged between the high-pass filter 2 and the low-pass filter 3, the high-pass filter 2 and the low-pass filter 3 can be connected through the connecting column 15 and the connecting; the top and bottom outer walls of the installation shell 1 are equally divided and provided with heat dissipation holes 11, the heat dissipation holes 11 are convenient for the heat dissipation work of the device, the left outer wall of the installation shell 1 is provided with a left end cover 5, the right outer wall of the installation shell 1 is provided with a right end cover 13 through a pin shaft, the joint of the bottom of the right end cover 13 and the bottom of the installation shell 1 is provided with a magnet block 14, the magnet block 14 is an anisotropic magnet, the magnet block 14 is installed to facilitate the opening and closing work of the right end cover 13, the high-pass filter 2 is arranged at the left side of the low-pass filter 3, the right outer wall of the low-pass filter 3 is fixedly provided with a fixed plate 12, the low-pass filter 3 is fixedly connected with the installation shell 1 through screws on the fixed plate 12, the outer wall of the high-pass filter 2 is provided with a limit groove, fixed mounting has connecting block 7 on the extension plate of 5 right-hand members of left end cover, every connecting block 7 passes corresponding through-hole 6, and the terminal fixed mounting of every connecting block 7 has stopper 8 that matches with spacing cell body 9, stopper 8 is the hemisphere setting, and stopper 8 is the rubber material, stopper 8 structure sets up rationally, spacing effect is good, be convenient for reset, and the setting of rubber material, can increase the frictional force between stopper 8 and the spacing cell body 9, spring 10 is all installed to the right side outer wall of every connecting block 7, spring 10 installs in the inner chamber of through-hole 6, installation through spring 10, so that the reset work of connecting block 7 and left end cover 5.
The invention has reasonable design, when in disassembly, the right end cover 13 can be opened, the screw on the fixed plate 12 is unscrewed, and then the worker pushes the left end cover 5, so that the left end cover 5 can work far away from the installation shell 1, the limit block 8 can be driven to be separated from the limit groove body 9 through the linkage of the connecting block 7, and then the high-pass filter 2 and the low-pass filter 3 can be directly pulled out.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a cavity band pass filter, includes installation casing (1), high pass filter (2) and low pass filter (3), its characterized in that: the high-pass filter (2) and the low-pass filter (3) are arranged in the installation shell (1), the high-pass filter (2) and the low-pass filter (3) are communicated with each other, a connecting piece (4) is arranged between the high-pass filter (2) and the low-pass filter (3), the high-pass filter (2) and the low-pass filter (3) are electrically connected through the connecting piece (4), a left end cover (5) is arranged on the outer wall of the left side of the installation shell (1), a right end cover (13) is arranged on the outer wall of the right side of the installation shell (1) through a pin shaft, the high-pass filter (2) is arranged on the left side of the low-pass filter (3), a fixing plate (12) is fixedly arranged on the outer wall of the right side of the low-pass filter (3), and the low-pass filter (3), spacing cell body (9) have been seted up to the outer wall of high pass filter (2), through-hole (6) have all been seted up on the top of installation casing (1) and the bottom outer wall, left end lid (5) right-hand member is provided with two extension plates, fixed mounting has connecting block (7) on the extension plate of left end lid (5) right-hand member, every connecting block (7) pass corresponding through-hole (6), and every the terminal fixed mounting of connecting block (7) has stopper (8) that matches with spacing cell body (9).
2. The cavity bandpass filter of claim 1, wherein: connecting piece (4) are horizontal cylindric setting, screw thread (41) have been seted up to the left side inner wall of connecting piece (4), high pass filter (2) are close to the link fixed mounting of connecting piece (4) have an external screw thread section of thick bamboo, just high pass filter (2) pass through screw thread (41) and connecting piece (4) fixed connection.
3. The cavity bandpass filter of claim 1, wherein: guide slot (42) have been seted up to the right side inner wall of connecting piece (4), low pass filter (3) are close to the link outer wall fixed mounting of connecting piece (4) have with guide slot (42) matched's guide block, low pass filter (3) are through the cooperation and connecting piece (4) swing joint of guide block and guide slot (42).
4. The cavity bandpass filter of claim 1, wherein: connecting columns (15) are equally arranged at the right end of the high-pass filter (2), and a connecting groove (16) matched with the connecting columns (15) is formed in the outer wall of the left side of the low-pass filter (3).
5. The cavity bandpass filter of claim 1, wherein: the outer walls of the top and the bottom of the mounting shell (1) are equally provided with heat dissipation holes (11).
6. The cavity bandpass filter of claim 1, wherein: magnet piece (14) are installed to the bottom of right-hand member lid (13) and the junction of installation casing (1) bottom, magnet piece (14) are the setting of opposite sex magnet.
7. The cavity bandpass filter of claim 1, wherein: the limiting block (8) is arranged in a hemispherical shape, and the limiting block (8) is made of rubber.
8. The cavity bandpass filter of claim 1, wherein: every spring (10) are all installed to the right side outer wall of connecting block (7), install in the inner chamber of through-hole (6) spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911258685.9A CN110911790B (en) | 2019-12-10 | 2019-12-10 | Cavity band-pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911258685.9A CN110911790B (en) | 2019-12-10 | 2019-12-10 | Cavity band-pass filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110911790A CN110911790A (en) | 2020-03-24 |
| CN110911790B true CN110911790B (en) | 2021-07-16 |
Family
ID=69823972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911258685.9A Expired - Fee Related CN110911790B (en) | 2019-12-10 | 2019-12-10 | Cavity band-pass filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110911790B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016089015A1 (en) * | 2014-12-03 | 2016-06-09 | 주식회사 이너트론 | Filter package |
| CN107845850A (en) * | 2017-11-13 | 2018-03-27 | 戴承萍 | Integrated cavity band-pass filter and low-pass filter component |
| CN109390645A (en) * | 2017-08-04 | 2019-02-26 | 启碁科技股份有限公司 | Band pass filter means, method of communicating signals and outdoor unit |
| CN209233829U (en) * | 2018-12-06 | 2019-08-09 | 深圳市纳泽臻致科技有限公司 | A kind of base station filters radio-frequency unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7764146B2 (en) * | 2008-06-13 | 2010-07-27 | Com Dev International Ltd. | Cavity microwave filter assembly with lossy networks |
| CN208174649U (en) * | 2018-09-12 | 2018-11-30 | 苏州奥尔顿电子科技有限公司 | A kind of operating office LC low-pass filter |
| CN209016244U (en) * | 2018-10-23 | 2019-06-21 | 无锡恒腾精密机械有限公司 | A kind of isolator cavity with high pass filter function |
| CN209592280U (en) * | 2019-05-09 | 2019-11-05 | 江西一创新材料有限公司 | A kind of more circular arc resonant cavity double-mode band-pass filters |
-
2019
- 2019-12-10 CN CN201911258685.9A patent/CN110911790B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016089015A1 (en) * | 2014-12-03 | 2016-06-09 | 주식회사 이너트론 | Filter package |
| CN109390645A (en) * | 2017-08-04 | 2019-02-26 | 启碁科技股份有限公司 | Band pass filter means, method of communicating signals and outdoor unit |
| CN107845850A (en) * | 2017-11-13 | 2018-03-27 | 戴承萍 | Integrated cavity band-pass filter and low-pass filter component |
| CN209233829U (en) * | 2018-12-06 | 2019-08-09 | 深圳市纳泽臻致科技有限公司 | A kind of base station filters radio-frequency unit |
Non-Patent Citations (1)
| Title |
|---|
| 腔体滤波器小型化的研究与设计;吴呈龙;《中国优秀硕士学位论文全文数据库》;20170715;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110911790A (en) | 2020-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209691920U (en) | Cavity body filter and cross coupling structure for cavity body filter | |
| KR101307107B1 (en) | Dielectric Resonator Filter | |
| CN110911790B (en) | Cavity band-pass filter | |
| CN102324616A (en) | Super power microwave resonator structure | |
| CN201773922U (en) | Duplexer | |
| CN104882660B (en) | A kind of C frequency ranges test coupler | |
| CN202737068U (en) | Passive cavity dot frequency band-stop filter | |
| CN207602746U (en) | A kind of cavity body filter | |
| CN102881976B (en) | Waveguide filter for realizing functions of power divider | |
| CN201199595Y (en) | Coaxial radio frequency electric connector for air medium | |
| CN209072441U (en) | A kind of isolation structure of filter | |
| CN207504150U (en) | The interdigitated S-band cavity body filters of 2GHz to 4GHz | |
| CN106571505A (en) | Band-stop filter capable of eliminating interference between different service providers | |
| CN209896221U (en) | Filter structure capable of being laterally adjusted | |
| CN106848515B (en) | Integrated filter system and antenna system | |
| CN213960033U (en) | Filter for civil aviation communication equipment | |
| CN207338591U (en) | A kind of one wave filter of the C-band ultra wide band LC types six directions | |
| CN106058399A (en) | Bandpass filter with wide stopband | |
| CN206992277U (en) | Squeezing-rivet type coaxial filter | |
| CN207459135U (en) | A kind of L frequency ranges narrowband cavity body filter | |
| CN203747001U (en) | Filter port coupling tuning mechanism | |
| CN104037479B (en) | Cavity coupled structure | |
| CN209822846U (en) | Waveguide coaxial transformation structure with filtering function | |
| CN204632888U (en) | Single port coupling tap mechanism | |
| CN209282359U (en) | Convenient for the cavity body structure of flange installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 Termination date: 20211210 |