CN110534855A - A kind of superpower capacitive coupling structure of low frequency project - Google Patents
A kind of superpower capacitive coupling structure of low frequency project Download PDFInfo
- Publication number
- CN110534855A CN110534855A CN201910682374.9A CN201910682374A CN110534855A CN 110534855 A CN110534855 A CN 110534855A CN 201910682374 A CN201910682374 A CN 201910682374A CN 110534855 A CN110534855 A CN 110534855A
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- capacitive coupling
- resonator
- cavity
- superpower
- low frequency
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- 230000008878 coupling Effects 0.000 title claims abstract description 68
- 238000010168 coupling process Methods 0.000 title claims abstract description 68
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 68
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 32
- 239000010949 copper Substances 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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 kind of superpower capacitive coupling structures of low frequency project, belong to wave filter technology field.A kind of superpower capacitive coupling structure of low frequency project, including filtering body, resonator, resonator is fixedly connected in filtering body, erecting bed is equipped with inside filtering body, media supports are fixedly connected at the top of erecting bed, media supports are equipped with connecting hole, capacitive coupling copper sheet is connected with by plastic screw in media supports, capacitive coupling copper sheet is mainly made of connection sheet and two arc cards, two arc cards are connected to the both ends of connection sheet, and connection sheet and two arc cards are integrally formed, connection sheet is equipped with through-hole corresponding with plastic screw, there are gaps between resonator for two arc cards;The present invention can easily realize the superpower capacitive coupling index of low frequency term purpose and stability is easily controlled with consistency, be suitble to the advantages that producing in enormous quantities.
Description
Technical field
The present invention relates to wave filter technology field more particularly to a kind of superpower capacitive coupling structures of low frequency project.
Background technique
Dumbbell type structure is mostly used to realize that the Out-of-band rejection etc. of client refers in the capacitive coupling structure design of conventional filter
Mark, but encounter the relatively low Out-of-band rejection of frequency it is relatively tight in the case where dumbbell type structure since the limitation of height is unable to satisfy
The structure of dumbbell will be increased when index demand and meet index request, Ci Zhongjie to reduce the distance between resonant column side wall
Often dumbbell is very big for structure, and processing cost and difficulty of processing can improve, and also results in resonant column side wall apart from non-
It is often close to add tight build-up tolerance that technique is caused to be difficult to manage in turn, and it is easy to cause power not enough to beat due to being closer
Situations such as fiery, a kind of super-strong capacitance structure that the design designs to meet client's index, structure can not only solve debugging and ask
Design time promotion product competitiveness can also be shortened by inscribing the features such as going back escapable cost increase product stability.
Summary of the invention
The purpose of the present invention is to solve deficiencies in the prior art, and the superpower capacitive coupling of a kind of low frequency project proposed
Close structure.
To achieve the goals above, present invention employs following technical solutions:
A kind of superpower capacitive coupling structure of low frequency project, including filtering body, resonator, the resonator are fixedly connected on filter
In wave device ontology, it is equipped with erecting bed inside the filtering body, is fixedly connected with media supports at the top of the erecting bed, institute
Media supports are stated equipped with connecting hole, capacitive coupling copper sheet is connected with by plastic screw in the media supports, it is described
Capacitive coupling copper sheet is mainly made of connection sheet and two arc cards, and two arc cards are connected to connection sheet
Both ends, and the connection sheet and two arc cards are integrally formed, the connection sheet is equipped with corresponding with plastic screw logical
Hole, there are gaps between resonator for two arc cards.
Preferably, the filtering body includes cavity, cover board, and the cover board is connected to cavity by cover board fixing screws
Top, be equipped with screw hole corresponding with cover board fixing screws at the top of the cavity, the cavity wall is connected separately with input group
Part and output precision, the erecting bed are fixedly connected in the cavity and are integrally formed with cavity.
Preferably, the quantity of the resonator is four, and it is uniformly distributed in the cavity.
Preferably, tuning screw corresponding with resonator is connected at the top of the cover board.
Preferably, the input module includes input adapter and input coupling copper sheet, and the input adapter is solid by connector
Determine the side wall that screw A is connected to cavity, one end of the input coupling copper sheet is connected with input adapter, the input coupling copper sheet
The other end be connected with resonator;
The output precision includes out splice going splice and output coupling copper sheet, and the out splice going splice passes through connector fixing screws B connection
Be connected in one end of the side wall of cavity, the output coupling copper sheet with out splice going splice, the other end of the output coupling copper sheet with
Resonator is connected.
Compared with prior art, the present invention provides a kind of superpower capacitive coupling structure of low frequency project, have following beneficial
Effect: it is as follows to enhance capacitively coupled method: 1, the disk size of dumbbell is increased, to increase for current " dumbbell type " capacitance structure
Add and is coupled with the coupling surface of resonant column side wall to enhance;2, increase the total length of dumbbell with shorten dumbbell and resonant column side away from
It is coupled to enhance;But the bigger supporting element of dumbbell will move downwards in first way, coupling also dies down therewith;Second of side
Power can reduce after distance becomes smaller in formula, and product, which bears power, significantly to be reduced, therefore the method that the design passes through resonator
Try to get to the heart of a matter face and capacitive coupling copper sheet of orchid carries out capacitive Space Coupling, can pass through the control that the area of coupling surface carries out coupling amount
According to set shape by controlling coupling amount at a distance from resonant column ring flange bottom surface, this structure can easily realize low frequency term
The superpower capacitive coupling index of purpose and stability is easily controlled with consistency is suitble to the advantages that producing in enormous quantities.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram one of the superpower capacitive coupling structure of low frequency project proposed by the present invention;
Fig. 2 is a kind of structural schematic diagram two of the superpower capacitive coupling structure of low frequency project proposed by the present invention;
Fig. 3 is a kind of structural schematic diagram three of the superpower capacitive coupling structure of low frequency project proposed by the present invention;
Fig. 4 is a kind of top view of the superpower capacitive coupling structure of low frequency project proposed by the present invention;
Fig. 5 is a kind of schematic diagram of internal structure of the superpower capacitive coupling structure of low frequency project proposed by the present invention;
Fig. 6 is the sectional view of A-A in a kind of superpower capacitive coupling structure Fig. 5 of low frequency project proposed by the present invention;
Fig. 7 is the structural schematic diagram of capacitive coupling copper sheet in a kind of superpower capacitive coupling structure of low frequency project proposed by the present invention.
In figure: 1, cavity;101, screw hole;2, cover board;3, cover board fixing screws;4, tuning screw;5, input adapter;6, it connects
Head fixing screws A;7, out splice going splice;8, connector fixing screws B;9, input coupling copper sheet;10, erecting bed;11, output coupling copper
Piece;12, through-hole;13, capacitive coupling copper sheet;131, connection sheet;132, arc card;14, plastic screw;15, media supports;
16, resonator.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-7, a kind of superpower capacitive coupling structure of low frequency project, including filtering body, resonator 16, resonator
16 are fixedly connected in filtering body, and erecting bed 10 is equipped with inside filtering body, is fixedly connected with Jie at the top of erecting bed 10
Matter supporting element 15, media supports 15 are equipped with connecting hole, pass through plastic screw 14 in media supports 15 and be connected with capacitor coupling
Copper sheet 13 is closed, capacitive coupling copper sheet 13 is mainly made of connection sheet 131 and two arc cards 132, and two arc cards 132 divide
It is not connected to the both ends of connection sheet 131, and connection sheet 131 and two arc cards 132 are integrally formed, and set in connection sheet 131
There is through-hole 12 corresponding with plastic screw 14, there are gaps between resonator 16 for two arc cards 132.
Filtering body includes cavity 1, cover board 2, and cover board 2 is connected to the top of cavity 1, chamber by cover board fixing screws 3
Screw hole 101 corresponding with cover board fixing screws 3 is equipped at the top of body 1,1 side wall of cavity is connected separately with input module and output group
Part, erecting bed 10 are fixedly connected in cavity 1 and are integrally formed with cavity 1.
The quantity of resonator 16 is four, and it is evenly distributed in cavity 1.
Tuning screw 4 corresponding with resonator 16 is connected at the top of cover board 2.
Input module includes input adapter 5 and input coupling copper sheet 9, and input adapter 5 passes through connector fixing screws A6 connection
It is connected in one end of the side wall of cavity 1, input coupling copper sheet 9 with input adapter 5, the other end and resonance of input coupling copper sheet 9
Device 16 is connected;
Output precision includes out splice going splice 7 and output coupling copper sheet 11, and out splice going splice 7 is connected to chamber by connector fixing screws B8
One end of the side wall of body 1, output coupling copper sheet 11 is connected with out splice going splice 7, the other end and resonator of output coupling copper sheet 11
16 are connected.
The utility model has the advantages that current " dumbbell type " capacitance structure, it is as follows to enhance capacitively coupled method: 1, increasing the disk of dumbbell
Size couples to increase with the coupling surface of resonant column side wall to enhance;2, increase dumbbell total length with shorten dumbbell with it is humorous
The distance of vibration column side couples to enhance;But the bigger supporting element of dumbbell will move downwards in first way, couple also therewith
It dies down;Power can reduce after distance becomes smaller in the second way, and product, which bears power, significantly to be reduced, therefore the design is logical
The ring flange bottom surface and capacitive coupling copper sheet 13 for crossing resonator 16 carry out capacitive Space Coupling, can be carried out by the area of coupling surface
The control of coupling amount can also be according to set shape by controlling coupling amount at a distance from resonant column ring flange bottom surface, this structure
It can easily realize the superpower capacitive coupling index of low frequency term purpose and stability is easily controlled with consistency, be suitble to high-volume raw
The advantages that production.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of superpower capacitive coupling structure of low frequency project, including filtering body, resonator (16), the resonator (16) is solid
Surely it is connected in filtering body, which is characterized in that be equipped with erecting bed (10) inside the filtering body, the erecting bed
(10) top is fixedly connected with media supports (15), and the media supports (15) are equipped with connecting hole, the dielectric support
It is connected with capacitive coupling copper sheet (13) on part (15) by plastic screw (14), the capacitive coupling copper sheet (13) is mainly by connecting
Piece (131) and two arc card (132) compositions, two arc cards (132) are connected to the two of connection sheet (131)
End, and the connection sheet (131) and two arc cards (132) are integrally formed, the connection sheet (131) is equipped with and plastics
The corresponding through-hole (12) of screw (14), there are gaps between resonator (16) for two arc cards (132).
2. a kind of superpower capacitive coupling structure of low frequency project according to claim 1, which is characterized in that the filter sheet
Body includes cavity (1), cover board (2), and the cover board (2) is connected to the top of cavity (1) by cover board fixing screws (3), described
Screw hole (101) corresponding with cover board fixing screws (3) is equipped at the top of cavity (1), cavity (1) side wall is connected separately with input
Component and output precision, the erecting bed (10) are fixedly connected in cavity (1) and are integrally formed with cavity (1).
3. a kind of superpower capacitive coupling structure of low frequency project according to claim 2, which is characterized in that the resonator
(16) quantity is four, and it is evenly distributed in cavity (1).
4. a kind of superpower capacitive coupling structure of low frequency project according to claim 3, which is characterized in that the cover board (2)
Top is connected with tuning screw (4) corresponding with resonator (16).
5. a kind of superpower capacitive coupling structure of low frequency project according to Claims 2 or 3 or 4, which is characterized in that described defeated
Entering component includes input adapter (5) and input coupling copper sheet (9), and the input adapter (5) passes through connector fixing screws A(6) even
The side wall in cavity (1) is connect, one end of the input coupling copper sheet (9) is connected with input adapter (5), the input coupling copper sheet
(9) the other end is connected with resonator (16);
The output precision includes out splice going splice (7) and output coupling copper sheet (11), and the out splice going splice (7) is fixed by connector
Screw B(8) it is connected to the side wall of cavity (1), one end of the output coupling copper sheet (11) is connected with out splice going splice (7), described
The other end of output coupling copper sheet (11) is connected with resonator (16).
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CN201910682374.9A CN110534855A (en) | 2019-07-26 | 2019-07-26 | A kind of superpower capacitive coupling structure of low frequency project |
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CN201910682374.9A CN110534855A (en) | 2019-07-26 | 2019-07-26 | A kind of superpower capacitive coupling structure of low frequency project |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113889725A (en) * | 2021-11-02 | 2022-01-04 | 苏州诺泰信通讯有限公司 | Support piece structure based on small-size filter |
WO2022048158A1 (en) * | 2020-09-01 | 2022-03-10 | 华沣通信科技有限公司 | Filling medium-containing filter |
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JP2002033605A (en) * | 2000-07-14 | 2002-01-31 | Nippon Dengyo Kosaku Co Ltd | Dielectric resonator and band pass filter |
CN102361117A (en) * | 2011-09-29 | 2012-02-22 | 武汉虹信通信技术有限责任公司 | Capacitive cross coupling flying bar and coaxial cavity resonator thereof |
CN107394327A (en) * | 2017-08-24 | 2017-11-24 | 江苏贝孚德通讯科技股份有限公司 | Coupled structure and its stiffness of coupling adjusting method, a kind of communication headend equipment part |
CN109841936A (en) * | 2019-04-03 | 2019-06-04 | 江苏贝孚德通讯科技股份有限公司 | A kind of adjustable coupling structure and communication headend equipment element |
CN210224241U (en) * | 2019-07-26 | 2020-03-31 | 苏州诺泰信通讯有限公司 | Low-frequency project ultra-strong capacitive coupling structure |
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2019
- 2019-07-26 CN CN201910682374.9A patent/CN110534855A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002033605A (en) * | 2000-07-14 | 2002-01-31 | Nippon Dengyo Kosaku Co Ltd | Dielectric resonator and band pass filter |
CN102361117A (en) * | 2011-09-29 | 2012-02-22 | 武汉虹信通信技术有限责任公司 | Capacitive cross coupling flying bar and coaxial cavity resonator thereof |
CN107394327A (en) * | 2017-08-24 | 2017-11-24 | 江苏贝孚德通讯科技股份有限公司 | Coupled structure and its stiffness of coupling adjusting method, a kind of communication headend equipment part |
CN109841936A (en) * | 2019-04-03 | 2019-06-04 | 江苏贝孚德通讯科技股份有限公司 | A kind of adjustable coupling structure and communication headend equipment element |
CN210224241U (en) * | 2019-07-26 | 2020-03-31 | 苏州诺泰信通讯有限公司 | Low-frequency project ultra-strong capacitive coupling structure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022048158A1 (en) * | 2020-09-01 | 2022-03-10 | 华沣通信科技有限公司 | Filling medium-containing filter |
CN113889725A (en) * | 2021-11-02 | 2022-01-04 | 苏州诺泰信通讯有限公司 | Support piece structure based on small-size filter |
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