CN208062220U - A kind of coupling structure of filter - Google Patents
A kind of coupling structure of filter Download PDFInfo
- Publication number
- CN208062220U CN208062220U CN201820484255.3U CN201820484255U CN208062220U CN 208062220 U CN208062220 U CN 208062220U CN 201820484255 U CN201820484255 U CN 201820484255U CN 208062220 U CN208062220 U CN 208062220U
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- China
- Prior art keywords
- coupling piece
- cavity
- filter
- coupling
- resonator
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Abstract
The utility model is suitable for wave filter technology field.A kind of coupling structure of filter is provided, including：Cavity；Lid sets the cover board of the cavity；Transmission coupling piece in the cavity and for input signal；Resonator in the cavity；The support column for being fixed on the cavity and being arranged with the resonator separations；And coupling assembly, the coupling assembly includes the connection sheet being connected with the transmission coupling piece, the metal Coupling piece for being sheathed on the insulation sleeve of the support column and being sheathed on the insulation sleeve and insulating with the cavity, and the metal Coupling piece is connected with the connection sheet and is coupled with the resonator.Coupling structure of filter provided by the utility model is coupled by the way that the formation of metal Coupling piece and resonator separations is arranged, and insulating effect is played to transmitting the direct current that coupling piece is passed through, to make transmission coupling piece both by direct current or can carry out energy transmission.
Description
Technical field
The utility model belongs to wave filter technology field more particularly to a kind of coupling structure of filter.
Background technology
Filter is widely used in the communications field as a kind of frequency selection device, and when in use, external signal is through filter
Connector on wave device is sent to filter internal, with filtering clutter or interference signal.
In the prior art, the connector on filter is connected with the transmission coupling piece of filter internal, and transmission coupling piece is logical
Often by copper wire welding on cavity to realize lightning protection, due to transmission coupling piece ground connection, transmit coupling piece be passed through direct current when,
Direct current only leads ground in the state being not turned on, and therefore, it is difficult to meet transmission coupling piece with energy transmission can also both lead to directly
The demand of galvanic electricity.
Utility model content
The utility model provides a kind of coupling structure of filter, it is intended to solve to transmit coupling piece in the filter of the prior art
It can only carry out energy transmission, it is difficult to meet the needs of transmission coupling piece can carry out energy transmission or lead to direct current.
The utility model is realized in this way a kind of coupling structure of filter, including：
Cavity；
Lid sets the cover board of the cavity；
Transmission coupling piece in the cavity；
Resonator in the cavity；
The support column for being fixed on the cavity and being arranged with the resonator separations；And
Coupling assembly, the coupling assembly include the connection sheet being connected with the transmission coupling piece, are sheathed on the support
The insulation sleeve of column and the metal Coupling piece for being sheathed on the insulation sleeve and insulating with the cavity, the metal Coupling piece and institute
Connection sheet is stated to be connected and couple with the resonator.
Preferably, described connection sheet one end is abutted with the metal Coupling piece, and is fixed on the support column by screw
On.
Preferably, one end that the connection sheet is abutted with the transmission coupling piece is equipped with mounting hole, the top of the support column
Portion is equipped with tapped mounting hole, and the screw passes through the mounting hole and is threadedly coupled with the mounting hole.
Preferably, the insulation sleeve includes the pedestal abutted with the cavity and the insulating body on the pedestal,
The metal Coupling piece is sheathed on the insulating body and is supported on the pedestal.
Preferably, the support column is integrally formed with the cavity.
Preferably, the cross section of the transmission coupling piece is rectangular, and cross-sectional area is 6~18mm2.
Preferably, the total length of the connection sheet is a quarter for inputting frequency wavelength.
Coupling structure of filter provided by the utility model is coupled by the way that support column and coupling assembly are arranged in the cavity
Component includes the connection sheet being connected with transmission coupling piece, is sheathed on the insulation sleeve of support column and is sheathed on insulation sleeve and and cavity
The metal Coupling piece of insulation, metal Coupling piece are connected with connection sheet and are coupled with resonator, pass through metal Coupling piece and resonator
It forms field coupling and carries out energy transmission, simultaneously as metal Coupling piece and resonator separations, can be passed through transmission coupling piece
Direct current plays insulating effect, with preventing DC conductance so that the transmission coupling piece had both carried out energy transmission can also be by straight
Galvanic electricity, and can be by the spacing of adjusting support column and resonator, to adjust the stiffness of coupling of resonator and metal Coupling piece.
Description of the drawings
Fig. 1 is the stereochemical structure exploded view of the utility model coupling structure of filter；
Fig. 2 is that the utility model coupling structure of filter removes the three-dimensional structure diagram after cover board；
Fig. 3 is another stereochemical structure exploded view of the utility model coupling structure of filter；
Fig. 4 is the cross-sectional view of the utility model coupling structure of filter；
Fig. 5 is the stereochemical structure exploded view of coupling assembly in the utility model coupling structure of filter.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Coupling structure of filter provided by the utility model is coupled by the way that support column and coupling assembly are arranged in the cavity
Component includes the connection sheet being connected with transmission coupling piece, is sheathed on the insulation sleeve of support column and is sheathed on insulation sleeve and and cavity
The metal Coupling piece of insulation, metal Coupling piece are connected with connection sheet and are coupled with resonator, pass through metal Coupling piece and resonator
It forms field coupling and carries out energy transmission, simultaneously as metal Coupling piece and resonator separations, can be passed through transmission coupling piece
Direct current plays insulating effect, with preventing DC conductance so that the transmission coupling piece had both carried out energy transmission can also be by straight
Galvanic electricity, and can be by the spacing of adjusting support column and resonator, to adjust the stiffness of coupling of resonator and metal Coupling piece.
Please refer to Fig. 1-Fig. 3, wherein Fig. 1 is the stereochemical structure exploded view of the utility model coupling structure of filter；Fig. 2
The three-dimensional structure diagram after cover board is removed for the utility model coupling structure of filter；Fig. 3 is the utility model filter coupling knot
Another stereochemical structure exploded view of structure.The coupling structure of filter includes：Cavity 1；Lid sets the cover board 2 of cavity 1；Set on cavity 1
Transmission coupling piece 3 interior and for input signal；Resonator 4 in cavity 1；It is fixed on cavity 1 and is spaced with resonator 4
The support column 5 of setting；And coupling assembly 6, coupling assembly 6 include the connection sheet 61 being connected with transmission coupling piece 3, are sheathed on branch
The insulation sleeve 62 of dagger 5 and the metal Coupling piece 63 for being sheathed on insulation sleeve 62 and insulating with cavity 1, metal Coupling piece 63 and company
Contact pin 61 is connected and is coupled with resonator 4.
In the utility model embodiment, transmission coupling piece 3 is used for input signal, and signal transmits and leads to along transmission coupling piece 3
It crosses resonator 4 and carries out energy transmission.
As one embodiment of the utility model, the cross section for transmitting coupling piece 3 is rectangular, and cross-sectional area is 6
~18mm2, keep 3 cross section of transmission coupling piece sufficiently large, strong by current capacity, lightning protection properties are good.
In the utility model embodiment, insulation sleeve 62 and metal Coupling piece 63 are cylindrical in shape structure, connection sheet 62 and transmission
Coupling piece 3 can weld, and can also be clamped, and metal Coupling piece 63 is electrical connected with connection sheet 61 and carries out electricity with a resonator 4
Field coupling forms field coupling progress energy transmission, simultaneously as metal coupling by the way that metal Coupling piece 63 and resonator 4 is arranged
It closes piece 63 to be spaced with resonator 4, insulating effect can be played to the direct current that transmission coupling piece 3 is passed through, with preventing DC conductance, made
The transmission coupling piece 3 both carried out energy transmission can also be by direct current, and can pass through and adjust support column 5 and resonator 4
Spacing, to adjust the stiffness of coupling of resonator 4 and metal Coupling piece 63.
As one embodiment of the utility model, 61 one end of connection sheet is abutted with metal Coupling piece 63, and passes through screw
64 are fixed on support column 5, are convenient for the disassembly and installation of connection sheet 61 and metal Coupling piece 63.
It is the cross-sectional view of the utility model coupling structure of filter incorporated by reference to reference Fig. 4, Fig. 4.As this reality
With novel one embodiment, one end that connection sheet 61 is abutted with transmission coupling piece 3 is equipped with mounting hole 611, the top of support column 5
Equipped with tapped mounting hole 51, screw 64 passes through mounting hole 611 and is threadedly coupled with mounting hole 51.Insulation sleeve 62, metal
Coupling piece 63 is cylindrical in shape structure, and when connection sheet 61 is connect with metal Coupling piece 63, connection sheet 61 is equipped with the one of mounting hole 611
End is connected to the top of metal Coupling piece 63, then screw 64 passes through to the top of mounting hole 611 and metal Coupling piece 63, and with peace
It fills hole 51 to be threadedly coupled, 61 one end of connection sheet is made to be fixedly secured on support column 5 and be abutted with metal Coupling piece 63.
It is decomposed incorporated by reference to reference to the stereochemical structure that Fig. 5, Fig. 5 are coupling assembly in the utility model coupling structure of filter
Figure.As one embodiment of the utility model, insulation sleeve 62 includes the pedestal 621 abutted with cavity 1 and is set on pedestal 621
Insulating body 622, metal Coupling piece 63 is sheathed on insulating body 622 and is supported on pedestal 621, avoids metal Coupling piece 63
It contacts and is grounded with 1 inner wall of cavity.
As one embodiment of the utility model, support column 5 is integrally formed with cavity 1, facilitates the processing of support column 5.
As one embodiment of the utility model, the total length of connection sheet 61 is a quarter for inputting frequency wavelength.
Wherein, which is the total length after connection sheet 61 stretches, under the premise of keeping the total length of connection sheet 61 constant, connection
The shape of piece 61 can arbitrarily roll over shape, and will not be had an impact to the standing wave of connection sheet 61, since the shape to connection sheet 61 is without wanting
It asks, is conducive to the machine-shaping of connection sheet 61.
Coupling structure of filter provided by the utility model is coupled by the way that support column and coupling assembly are arranged in the cavity
Component includes the connection sheet being connected with transmission coupling piece, is sheathed on the insulation sleeve of support column and is sheathed on insulation sleeve and and cavity
The metal Coupling piece of insulation, metal Coupling piece are connected with connection sheet and are coupled with resonator, pass through metal Coupling piece and resonator
It forms field coupling and carries out energy transmission, simultaneously as metal Coupling piece and resonator separations, can be passed through transmission coupling piece
Direct current plays insulating effect, with preventing DC conductance so that the transmission coupling piece had both carried out energy transmission can also be by straight
Galvanic electricity, and can be by the spacing of adjusting support column and resonator, to adjust the stiffness of coupling of resonator and metal Coupling piece.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (7)
1. a kind of coupling structure of filter, which is characterized in that including：
Cavity；
Lid sets the cover board of the cavity；
Transmission coupling piece in the cavity；
Resonator in the cavity；
The support column for being fixed on the cavity and being arranged with the resonator separations；And
Coupling assembly, the coupling assembly include the connection sheet being connected with the transmission coupling piece, are sheathed on the support column
Insulation sleeve and the metal Coupling piece for being sheathed on the insulation sleeve and insulating with the cavity, the metal Coupling piece and the company
Contact pin is connected and is coupled with the resonator.
2. coupling structure of filter as described in claim 1, which is characterized in that described connection sheet one end and the metal Coupling
Piece abuts, and is fixed on the support column by screw.
3. coupling structure of filter as claimed in claim 2, which is characterized in that the connection sheet is supported with the transmission coupling piece
The one end connect is equipped with mounting hole, and the top of the support column is equipped with tapped mounting hole, and the screw passes through the fixation
Mounting hole described in Kong Bingyu is threadedly coupled.
4. coupling structure of filter as described in claim 1, which is characterized in that the insulation sleeve includes being abutted with the cavity
Pedestal and the insulating body on the pedestal, the metal Coupling piece be sheathed on the insulating body and be supported in described
On pedestal.
5. coupling structure of filter as described in claim 1, which is characterized in that the support column and the cavity one at
Type.
6. coupling structure of filter as described in claim 1, which is characterized in that the cross section of the transmission coupling piece is in square
Shape, and cross-sectional area is 6~18mm2。
7. coupling structure of filter as described in claim 1, which is characterized in that the total length of the connection sheet is input frequency
The a quarter of wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820484255.3U CN208062220U (en) | 2018-04-08 | 2018-04-08 | A kind of coupling structure of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820484255.3U CN208062220U (en) | 2018-04-08 | 2018-04-08 | A kind of coupling structure of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208062220U true CN208062220U (en) | 2018-11-06 |
Family
ID=63988269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820484255.3U Active CN208062220U (en) | 2018-04-08 | 2018-04-08 | A kind of coupling structure of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208062220U (en) |
-
2018
- 2018-04-08 CN CN201820484255.3U patent/CN208062220U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315000 floor 1-2, building 8, 818 Jinyuan Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Huaci Communication Technology Co.,Ltd. Address before: 2 / F, building 3, 818 Jinyuan Road, Yinzhou investment and entrepreneurship center, Ningbo, Zhejiang 315000 Patentee before: NINGBO HUACI COMMUNICATION TECHNOLOGY Co.,Ltd. |