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 PDF

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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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CN
China
Prior art keywords
capacitive coupling
resonator
cavity
superpower
low frequency
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Pending
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CN201910682374.9A
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Chinese (zh)
Inventor
史作毅
梁文超
汪亭
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Suzhou Nuotaixin Communication Co Ltd
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Suzhou Nuotaixin Communication Co Ltd
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Priority to CN201910682374.9A priority Critical patent/CN110534855A/en
Publication of CN110534855A publication Critical patent/CN110534855A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/207Hollow 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

A kind of superpower capacitive coupling structure of low frequency project
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).
CN201910682374.9A 2019-07-26 2019-07-26 A kind of superpower capacitive coupling structure of low frequency project Pending CN110534855A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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