CN108281740A - Cavity body filter with adjustable capacitive coupling structure - Google Patents
Cavity body filter with adjustable capacitive coupling structure Download PDFInfo
- Publication number
- CN108281740A CN108281740A CN201810257765.1A CN201810257765A CN108281740A CN 108281740 A CN108281740 A CN 108281740A CN 201810257765 A CN201810257765 A CN 201810257765A CN 108281740 A CN108281740 A CN 108281740A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- cavity body
- adjusting screw
- hole
- medium block
- 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.)
- Granted
Links
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
-
- 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 the cavity body filters with adjustable capacitive coupling structure, including shell and upper cover, multiple resonant cavities are equipped in shell, dividing wall between at least one group of adjacent two resonant cavity is equipped with fluting, tunable capacitor coupling assembly is equipped in fluting, tunable capacitor coupling assembly includes medium block, fly bar and adjusting screw rod, medium block is connected in fluting, the lower end of medium block is equipped at least one through hole, fly bar to be mounted in through hole, the both ends for flying bar are located in two resonant cavities, the top of medium block is equipped with accommodating hole, one end of adjusting screw rod is located in accommodating hole, the other end of adjusting screw rod connects upper cover, adjusting screw rod is arranged along the depth direction liftable of accommodating hole.Tunable capacitor coupling assembly is simple in structure, flies bar and is not attached to adjusting screw rod, employee is facilitated quickly to assemble, and is suitble to produce in enormous quantities；Parts concentration degree in tunable capacitor coupling assembly is high, is conducive to the miniaturization of cavity body filter.
Description
Technical field
The present invention relates to cavity body filters, more particularly to the cavity body filter with adjustable capacitive coupling structure.
Background technology
Application No. is 200510061735.6 Chinese invention patent application files to disclose one kind with tunable capacitor coupling
Close the cavity body filter of structure.In the cavity body filter, the dividing wall between resonant cavity is equipped with slot, tunable capacitor coupling systems
Part is located in the slot, and tunable capacitor coupling assembly includes medium screw rod and sheet metal, one end of medium screw rod and sheet metal
It is connected, dividing wall is stretched out at the both ends of sheet metal.The cavity body filter realizes change capacitive coupling by up and down adjustment sheet metal
Intensity, it is excessively complicated in structure, it is unfavorable for producing in batches.
Invention content
The technical problem to be solved by the present invention is to：There is provided it is a kind of it is simple in structure, convenient for batch production carry adjustable electric
Hold the cavity body filter of coupled structure.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Chamber with adjustable capacitive coupling structure
Fluid filter, including shell and upper cover, are equipped with multiple resonant cavities in shell, between at least one group of adjacent two resonant cavity
Dividing wall is equipped with fluting, is equipped with tunable capacitor coupling assembly in the fluting, the tunable capacitor coupling assembly includes medium
Block, winged bar and adjusting screw rod, medium block are connected in the fluting, and the lower end of medium block is equipped at least one through hole, described
Fly bar to be mounted in the through hole, the both ends for flying bar are located in two resonant cavities, and the top of the medium block is set
There are accommodating hole, one end of the adjusting screw rod to be located in the accommodating hole, the other end of adjusting screw rod connects the upper cover, adjusts
Screw rod is arranged along the depth direction liftable of accommodating hole.
The beneficial effects of the present invention are：Fly bar to be fixed on medium block by through hole, setting is accommodating at the top of medium block
Hole adjusts the intensity of magnetic coupling using depth of the adjusting screw rod in accommodating hole, strong to capacitive couplings to realize
The adjusting of degree；Tunable capacitor coupling assembly is simple in structure, flies bar and is not attached to adjusting screw rod, employee is facilitated quickly to assemble, is suitble to
Produce in enormous quantities；Parts concentration degree in tunable capacitor coupling assembly is high, is conducive to the miniaturization of cavity body filter.
Description of the drawings
Fig. 1 is that the rough schematic view of the cavity body filter with adjustable capacitive coupling structure of the embodiment of the present invention one is (hidden
Hide the vertical view after upper cover)；
Fig. 2 is the perspective of the medium block in the cavity body filter with adjustable capacitive coupling structure of the embodiment of the present invention one
Figure.
Label declaration：
1, shell；
2, resonant cavity；
3, medium block；
4, fly bar；
5, adjusting screw rod；
6, through hole；
7, accommodating hole；
8, U-shaped card slot；
9, extension slot.
Specific implementation mode
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：Medium block is set, at least one installation is set on medium block and flies passing through for bar
Perforation；Accommodating hole is set at the top of medium block, magnetic coupling is adjusted by debugging position of the adjusting screw rod in accommodating hole
Intensity.
Referring to Fig.1 and 2, the cavity body filter with adjustable capacitive coupling structure, including shell 1 and upper cover, shell 1
Interior to be equipped with multiple resonant cavities 2, the dividing wall between at least one group of adjacent two resonant cavity 2 is equipped with fluting, the fluting
Interior to be equipped with tunable capacitor coupling assembly, the tunable capacitor coupling assembly includes medium block 3, flies bar 4 and adjusting screw rod 5, medium
Block 3 is connected in the fluting, and the lower end of medium block 3 is equipped at least one through hole 6, and the winged bar 4 is mounted on described run through
In hole 6, the both ends for flying bar 4 are located in two resonant cavities 2, and the top of the medium block 3 is equipped with accommodating hole 7, described
One end of adjusting screw rod 5 is located in the accommodating hole 7, and the other end of adjusting screw rod 5 connects the upper cover, and adjusting screw rod 5 is along appearance
Set the depth direction liftable setting in hole 7.
The structural principle of the present invention is summarized as follows：Winged bar 4 is first installed in through hole 6 by employee in assembling, then will
Medium block 3 is connected in the fluting of dividing wall, and at the same time, adjusting screw rod 5 is connect with upper cover, finally by upper cover and shell 1
After connection, the i.e. adjustable magnetic coupling intensity of debugging adjusting screw rod 5.
As can be seen from the above description, the beneficial effects of the present invention are：Fly bar to be fixed on medium block by through hole, medium
Accommodating hole is set at the top of block, the intensity of magnetic coupling is adjusted using depth of the adjusting screw rod in accommodating hole, to realize
Adjusting to capacitive couplings intensity；Tunable capacitor coupling assembly is simple in structure, flies bar and is not attached to adjusting screw rod, facilitates employee
Quickly assembling is suitble to produce in enormous quantities；Parts concentration degree in tunable capacitor coupling assembly is high, is conducive to cavity body filter
Miniaturization.
Further, the one end of the adjusting screw rod 5 far from winged bar 4 is equipped with thread segment, and upper lid is equipped with and the screw thread
The compatible screw hole of section, a part for adjusting screw rod 5 expose to the upper cover from the screw hole.
Seen from the above description, cavity body filter coupled magnetic field can be adjusted by adjusting screw rod being rotated outside cavity body filter
Intensity.
Further, the quantity of the through hole 6 is multiple, and the central shaft of multiple through holes 6 is mutually parallel and position
In on same perpendicular.
Seen from the above description, the installation site for flying bar can also have an impact the coupled magnetic field intensity of cavity body filter, if
Multiple through holes are set, are conducive to further facilitate the coupled magnetic field intensity that employee debugs cavity body filter.
Further, there is the medium block 3 extension slot 9 extended from its bottom end towards its top, the extension slot 9 to be connected to
Multiple through holes 6.
Seen from the above description, winged bar can utilize extension slot to enter in scheduled through hole from the bottom of medium block, be
The work that employee's installation flies bar brings huge facility.
Further, the extension slot 9 is connected with the accommodating hole 7.
Further, the top of the medium block 3 supports on the cover.
Seen from the above description, medium block is fixed in the fluting of dividing wall completely, is conducive to improve cavity body filter
The stability of structure, to ensure that cavity body filter can normally, steadily work.
Further, the medium block 3 is equipped with a U-shaped card slot 8, and the medium block 3 passes through the U-shaped card slot 8
It is connected in the fluting of the dividing wall.
Embodiment one
Referring to Fig.1 and 2, the embodiment of the present invention one is：Cavity body filter with adjustable capacitive coupling structure, packet
Shell 1 and upper cover are included, multiple resonant cavities 2, the dividing wall between at least one group of adjacent two resonant cavity 2 are equipped in shell 1
It is equipped with fluting, tunable capacitor coupling assembly is equipped in the fluting, the tunable capacitor coupling assembly includes medium block 3, flies
Bar 4 and adjusting screw rod 5, medium block 3 are connected in the fluting, and the lower end of medium block 3 is equipped at least one through hole 6, described
Fly bar 4 to be mounted in the through hole 6, the both ends for flying bar 4 are located in two resonant cavities 2, the top of the medium block 3
End is equipped with accommodating hole 7, and one end of the adjusting screw rod 5 is located in the accommodating hole 7, described in the other end connection of adjusting screw rod 5
Upper cover, adjusting screw rod 5 are arranged along the depth direction liftable of accommodating hole 7.
Through hole 6 on medium block 3 can ensure fly 4 vertical height of bar stablize it is constant, to ensure that capacitive coupling is strong
The stabilization of degree.
In the present embodiment, the medium block 3 is equipped with a U-shaped card slot 8, and the medium block 3 passes through the U-shaped card slot
8 are connected in the fluting of the dividing wall.
The one end of the adjusting screw rod 5 far from winged bar 4 is equipped with thread segment, and upper lid is equipped with compatible with the thread segment
A part for screw hole, adjusting screw rod 5 exposes to the upper cover from the screw hole.
Preferably, the quantity of the through hole 6 is multiple, and the central shaft of multiple through holes 6 is mutually parallel and is located at
On same perpendicular.
Further, there is the medium block 3 extension slot 9 extended from its bottom end towards its top, the extension slot 9 to be connected to
Multiple through holes 6.
Optionally, the extension slot 9 is connected with the accommodating hole 7.
To improve the stability of cavity body filter structure, the top of the medium block 3 supports on the cover.
In conclusion the cavity body filter provided by the invention with adjustable capacitive coupling structure, winged bar pass through through hole
It is fixed on medium block, accommodating hole is set at the top of medium block, magnetic field coupling is adjusted using depth of the adjusting screw rod in accommodating hole
The intensity of conjunction, to realize the adjusting to capacitive couplings intensity；Tunable capacitor coupling assembly is simple in structure, flies bar and adjusts
Screw rod is not attached to, and employee is facilitated quickly to assemble, and is suitble to produce in enormous quantities；Parts concentration degree in tunable capacitor coupling assembly
Height is conducive to the miniaturization of cavity body filter；On medium block be arranged extension slot be employee installation fly bar work bring it is huge just
Profit；Upper cover is supported with medium block, is conducive to the stability for improving cavity body filter structure.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, include similarly
In the scope of patent protection of the present invention.
Claims (7)
1. the cavity body filter with adjustable capacitive coupling structure, including shell and upper cover, shell is interior to be equipped with multiple resonant cavities, until
Dividing wall between rare one group of adjacent two resonant cavity is equipped with fluting, and tunable capacitor coupling systems are equipped in the fluting
Part, it is characterised in that：The tunable capacitor coupling assembly includes medium block, flies bar and adjusting screw rod, and medium block is connected to described
In fluting, the lower end of medium block is equipped at least one through hole, and the winged bar is mounted in the through hole, flies the both ends point of bar
Wei Yu not be in two resonant cavities, the top of the medium block is equipped with accommodating hole, and one end of the adjusting screw rod is located at described
In accommodating hole, the other end of adjusting screw rod connects the upper cover, and adjusting screw rod is arranged along the depth direction liftable of accommodating hole.
2. the cavity body filter according to claim 1 with adjustable capacitive coupling structure, it is characterised in that：The adjusting
The one end of screw rod far from winged bar is equipped with thread segment, and upper lid is equipped with screw hole compatible with the thread segment, and the one of adjusting screw rod
Part exposes to the upper cover from the screw hole.
3. the cavity body filter according to claim 1 with adjustable capacitive coupling structure, it is characterised in that：It is described to run through
The quantity in hole is multiple, and the central shaft of multiple through holes is mutually parallel and on same perpendicular.
4. the cavity body filter according to claim 3 with adjustable capacitive coupling structure, it is characterised in that：The medium
There is block the extension slot extended from its bottom end towards its top, the extension slot to be connected to multiple through holes.
5. the cavity body filter according to claim 4 with adjustable capacitive coupling structure, it is characterised in that：The extension
Slot is connected with the accommodating hole.
6. the cavity body filter according to claim 1 with adjustable capacitive coupling structure, it is characterised in that：The medium
The top of block supports on the cover.
7. the cavity body filter according to claim 1 with adjustable capacitive coupling structure, it is characterised in that：The medium
Block is equipped with a U-shaped card slot, and the medium block is connected to by the U-shaped card slot in the fluting of the dividing wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257765.1A CN108281740B (en) | 2018-03-27 | 2018-03-27 | Cavity filter with adjustable capacitive coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257765.1A CN108281740B (en) | 2018-03-27 | 2018-03-27 | Cavity filter with adjustable capacitive coupling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108281740A true CN108281740A (en) | 2018-07-13 |
| CN108281740B CN108281740B (en) | 2021-04-13 |
Family
ID=62810534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810257765.1A Active CN108281740B (en) | 2018-03-27 | 2018-03-27 | Cavity filter with adjustable capacitive coupling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108281740B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113285193A (en) * | 2021-04-20 | 2021-08-20 | 武汉德威斯电子技术有限公司 | Zero-point adjustable frequency hopping filter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1895615A1 (en) * | 2006-08-31 | 2008-03-05 | Matsushita Electric Industrial Co., Ltd. | Adjustable coupling |
| CN101599569A (en) * | 2009-07-17 | 2009-12-09 | 华为技术有限公司 | Coupled structure and coaxial cavity filter |
| EP2429026A1 (en) * | 2010-09-10 | 2012-03-14 | Alcatel Lucent | Filter for radio frequency signals |
| CN202797210U (en) * | 2012-07-20 | 2013-03-13 | 深圳市大富科技股份有限公司 | Cavity filter and radio frequency communication equipment |
| CN203787541U (en) * | 2014-02-10 | 2014-08-20 | 河南合基电讯技术有限公司 | Low-PTM step tuning cross coupling dielectric filter |
| CN206098629U (en) * | 2016-09-06 | 2017-04-12 | 东莞迈特通讯科技有限公司 | Adjustable pole structure that flies of coaxial cavity wave filter |
| CN206098646U (en) * | 2016-09-13 | 2017-04-12 | 深圳市迈特通信设备有限公司 | Novel capacitive coupling structure |
| CN206992278U (en) * | 2017-06-15 | 2018-02-09 | 深圳市国人射频通信有限公司 | Integrated adjustable capacitive cross coupling assembly and cavity body filter |
| CN208014874U (en) * | 2018-03-27 | 2018-10-26 | 深圳市华扬通信技术有限公司 | Cavity body filter with adjustable capacitive coupling structure |
-
2018
- 2018-03-27 CN CN201810257765.1A patent/CN108281740B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1895615A1 (en) * | 2006-08-31 | 2008-03-05 | Matsushita Electric Industrial Co., Ltd. | Adjustable coupling |
| CN101599569A (en) * | 2009-07-17 | 2009-12-09 | 华为技术有限公司 | Coupled structure and coaxial cavity filter |
| EP2429026A1 (en) * | 2010-09-10 | 2012-03-14 | Alcatel Lucent | Filter for radio frequency signals |
| CN202797210U (en) * | 2012-07-20 | 2013-03-13 | 深圳市大富科技股份有限公司 | Cavity filter and radio frequency communication equipment |
| CN203787541U (en) * | 2014-02-10 | 2014-08-20 | 河南合基电讯技术有限公司 | Low-PTM step tuning cross coupling dielectric filter |
| CN206098629U (en) * | 2016-09-06 | 2017-04-12 | 东莞迈特通讯科技有限公司 | Adjustable pole structure that flies of coaxial cavity wave filter |
| CN206098646U (en) * | 2016-09-13 | 2017-04-12 | 深圳市迈特通信设备有限公司 | Novel capacitive coupling structure |
| CN206992278U (en) * | 2017-06-15 | 2018-02-09 | 深圳市国人射频通信有限公司 | Integrated adjustable capacitive cross coupling assembly and cavity body filter |
| CN208014874U (en) * | 2018-03-27 | 2018-10-26 | 深圳市华扬通信技术有限公司 | Cavity body filter with adjustable capacitive coupling structure |
Non-Patent Citations (1)
| Title |
|---|
| 胡健: "交叉耦合介质滤波器的设计", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113285193A (en) * | 2021-04-20 | 2021-08-20 | 武汉德威斯电子技术有限公司 | Zero-point adjustable frequency hopping filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108281740B (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206402435U (en) | Moving-iron receiver | |
| CN108281740A (en) | Cavity body filter with adjustable capacitive coupling structure | |
| CN208014874U (en) | Cavity body filter with adjustable capacitive coupling structure | |
| CN207570099U (en) | Air intake assembly and air conditioner | |
| CN206789679U (en) | Adjustable height antenna mounting bridge | |
| CN209415730U (en) | A kind of bracket and the air-conditioning internal machine comprising it | |
| CN206098630U (en) | Coupling structure of coaxial cavity filter | |
| CN212511594U (en) | Air inlet plate and thermantidote of thermantidote | |
| CN209765965U (en) | Strip screen frame convenient to change screen | |
| CN209693271U (en) | Ground safeguard type functional accessory installs casing | |
| CN205050970U (en) | Cavity filter | |
| CN208575139U (en) | A kind of titanium tube spiral bar folder | |
| CN209653901U (en) | One kind is multi-functional to be exempted to follow closely protective window | |
| CN206989983U (en) | A kind of fixed mount of fixed sensor | |
| CN206593164U (en) | The lower glass panel adjustable structure of smoke exhaust ventilator | |
| CN219704758U (en) | Support frame is used in case and bag processing | |
| CN209176349U (en) | Bill printer buzzer side loader structure | |
| CN209341546U (en) | Return air cover board and air conditioner | |
| CN208924761U (en) | The cultivation box of the assembling-disassembling of indoor balcony | |
| CN207648414U (en) | A kind of adjustable camera bracket for express delivery access cabinet | |
| CN208379274U (en) | The box assembly and device for clothing processing of device for clothing processing | |
| CN209484188U (en) | A kind of total station | |
| CN209469238U (en) | Vent cabinet doorframe and vent cabinet | |
| CN208615511U (en) | A kind of print cartridge stands frame and print cartridge stands system | |
| CN216817530U (en) | Air defense alarm for civil air defense engineering with high intelligent sensitivity |
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 |