CN210224241U - Low-frequency project ultra-strong capacitive coupling structure - Google Patents
Low-frequency project ultra-strong capacitive coupling structure Download PDFInfo
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- CN210224241U CN210224241U CN201921190995.7U CN201921190995U CN210224241U CN 210224241 U CN210224241 U CN 210224241U CN 201921190995 U CN201921190995 U CN 201921190995U CN 210224241 U CN210224241 U CN 210224241U
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Abstract
The utility model discloses a superstrong capacitive coupling structure of low frequency project belongs to wave filter technical field. A low-frequency project ultra-strong capacitive coupling structure comprises a filter body and a resonator, wherein the resonator is fixedly connected in the filter body, an installation table is arranged in the filter body, a medium support piece is fixedly connected to the top of the installation table, a connecting hole is formed in the medium support piece, a capacitive coupling copper sheet is connected to the medium support piece through a plastic screw, the capacitive coupling copper sheet mainly comprises a connecting sheet and two arc-shaped clamping sheets, the two arc-shaped clamping sheets are respectively connected to two ends of the connecting sheet, the connecting sheet and the two arc-shaped clamping sheets are integrally formed, a through hole corresponding to the plastic screw is formed in the connecting sheet, and a gap is reserved; the utility model discloses can easily realize the superstrong capacitive coupling index of low frequency project and stability and uniformity are controlled very easily, are fit for advantages such as mass production.
Description
Technical Field
The utility model relates to a wave filter technical field especially relates to a superstrong capacitive coupling structure of low frequency project.
Background
The capacitive coupling structure design of the traditional filter mostly adopts a dumbbell structure to realize the indexes of out-of-band inhibition and the like of customers, however, under the conditions of low frequency and relatively tight out-of-band rejection, the dumbbell structure is increased to reduce the distance between the dumbbell structure and the side wall of the resonance column to meet the index requirement when the height of the dumbbell structure cannot meet the index requirement due to the limitation of height, the dumbbell structure is very large, the processing cost and the processing difficulty are increased, but also results in a very close distance from the side walls of the resonant column and thus tight assembly tolerances resulting in a difficult process control, and because the power that arouses very easily closely apart from the condition such as strike sparks appear inadequately, the superstrong electric capacity structure that this design was designed in order to satisfy customer index, the structure not only can solve the debugging problem still can save cost increase product stability etc. characteristics can shorten design time and promote product competitiveness.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies in the prior art and providing a low frequency project superstrong capacitive coupling structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a superstrong capacitive coupling structure of low frequency project, includes wave filter body, syntonizer fixed connection is in the wave filter body, the inside mount table that is equipped with of wave filter body, mount table top fixedly connected with medium support piece, be equipped with the connecting hole on the medium support piece, there is the capacitive coupling copper sheet through plastics screw connection on the medium support piece, the capacitive coupling copper sheet mainly comprises connection piece and two arc cards, two the arc card is connected respectively at the both ends of connection piece, just connection piece and two arc cards are integrated into one piece, be equipped with the through-hole that corresponds with the plastics screw on the connection piece, two the arc card all leaves the clearance with between the syntonizer.
Preferably, the filter body includes cavity, apron, the apron passes through apron set screw to be connected at the top of cavity, the cavity top is equipped with the screw that corresponds with apron set screw, the cavity lateral wall is connected with input assembly and output assembly respectively, mount table fixed connection just be integrated into one piece with the cavity in the cavity.
Preferably, the number of the resonators is four, and the resonators are uniformly distributed in the cavity.
Preferably, a tuning screw corresponding to the resonator is connected to the top of the cover plate.
Preferably, the input assembly comprises an input connector and an input coupling copper sheet, the input connector is connected to the side wall of the cavity through a connector fixing screw A, one end of the input coupling copper sheet is connected with the input connector, and the other end of the input coupling copper sheet is connected with the resonator;
the output assembly comprises an output connector and an output coupling copper sheet, the output connector is connected to the side wall of the cavity through a connector fixing screw B, one end of the output coupling copper sheet is connected with the output connector, and the other end of the output coupling copper sheet is connected with the resonator.
Compared with the prior art, the utility model provides a superstrong capacitive coupling structure of low frequency project possesses following beneficial effect: the method for enhancing capacitive coupling of the existing dumbbell-type capacitor structure is as follows: 1. the size of a disc of the dumbbell is enlarged, so that the coupling surface with the side wall of the resonance column is increased to enhance coupling; 2. the total length of the dumbbell is increased to shorten the distance between the dumbbell and the side surface of the resonance column so as to enhance the coupling; however, in the first mode, the larger the dumbbell, the support member is moved downwards, and the coupling is weakened; in the second mode, after the distance is reduced, the power is reduced, and the borne power of the product is greatly reduced, so that capacitive space coupling is carried out between the bottom surface of the flange plate of the resonator and the capacitive coupling copper sheet, the coupling amount can be controlled by the area of the coupling surface and can also be controlled by the distance from the bottom surface of the flange plate of the resonant column according to a given shape, the structure can easily realize the ultra-strong capacitive coupling index of a low-frequency project, the stability and the consistency are easy to control, and the structure is suitable for mass production and the like.
Drawings
Fig. 1 is a schematic structural diagram i of a low-frequency project super-capacitive coupling structure provided by the present invention;
fig. 2 is a schematic structural diagram ii of a low-frequency project super-capacitive coupling structure provided by the present invention;
fig. 3 is a schematic structural diagram three of a low-frequency project super-capacitive coupling structure provided by the present invention;
fig. 4 is a top view of a low frequency project super-capacitive coupling structure provided by the present invention;
fig. 5 is a schematic diagram of an internal structure of a low-frequency project super-capacitive coupling structure provided by the present invention;
fig. 6 is a cross-sectional view of a-a in a low frequency project super-capacitive coupling structure diagram 5 according to the present invention;
fig. 7 is a schematic structural view of the capacitive coupling copper sheet in the low frequency project super-capacitive coupling structure provided by the present invention.
In the figure: 1. a cavity; 101. a screw hole; 2. a cover plate; 3. a cover plate fixing screw; 4. a tuning screw; 5. an input connector; 6. a joint fixing screw A; 7. an output connector; 8. a joint fixing screw B; 9. an input coupling copper sheet; 10. an installation table; 11. an output coupling copper sheet; 12. a through hole; 13. a capacitive coupling copper sheet; 131. connecting sheets; 132. an arc-shaped card; 14. a plastic screw; 15. a media support; 16. a resonator is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-7, a low-frequency project ultra-strong capacitive coupling structure, including a filter body, a resonator 16, the resonator 16 is fixedly connected in the filter body, an installation table 10 is arranged in the filter body, a medium support 15 is fixedly connected to the top of the installation table 10, a connection hole is arranged on the medium support 15, a capacitive coupling copper sheet 13 is connected to the medium support 15 through a plastic screw 14, the capacitive coupling copper sheet 13 mainly comprises a connection sheet 131 and two arc-shaped clamping sheets 132, the two arc-shaped clamping sheets 132 are respectively connected to two ends of the connection sheet 131, the connection sheet 131 and the two arc-shaped clamping sheets 132 are integrally formed, a through hole 12 corresponding to the plastic screw 14 is arranged on the connection sheet 131, and a gap is reserved between each.
The filter body includes cavity 1, apron 2, and apron 2 passes through apron set screw 3 to be connected at cavity 1's top, and cavity 1 top is equipped with the screw 101 that corresponds with apron set screw 3, and cavity 1 lateral wall is connected with input module and output assembly respectively, and mount table 10 fixed connection just is integrated into one piece with cavity 1 in cavity 1.
The number of resonators 16 is four and they are evenly distributed within the cavity 1.
The top of the cover plate 2 is connected with a tuning screw 4 corresponding to the resonator 16.
The input assembly comprises an input connector 5 and an input coupling copper sheet 9, the input connector 5 is connected to the side wall of the cavity 1 through a connector fixing screw A6, one end of the input coupling copper sheet 9 is connected with the input connector 5, and the other end of the input coupling copper sheet 9 is connected with the resonator 16;
the output assembly comprises an output connector 7 and an output coupling copper sheet 11, wherein the output connector 7 is connected to the side wall of the cavity 1 through a connector fixing screw B8, one end of the output coupling copper sheet 11 is connected with the output connector 7, and the other end of the output coupling copper sheet 11 is connected with the resonator 16.
Has the advantages that: the method for enhancing capacitive coupling of the existing dumbbell-type capacitor structure is as follows: 1. the size of a disc of the dumbbell is enlarged, so that the coupling surface with the side wall of the resonance column is increased to enhance coupling; 2. the total length of the dumbbell is increased to shorten the distance between the dumbbell and the side surface of the resonance column so as to enhance the coupling; however, in the first mode, the larger the dumbbell, the support member is moved downwards, and the coupling is weakened; in the second mode, the power is reduced after the distance is reduced, and the power borne by the product is greatly reduced, so that capacitive space coupling is carried out between the bottom surface of the flange plate of the resonator 16 and the capacitive coupling copper sheet 13, the coupling amount can be controlled by the area of the coupling surface and can also be controlled by the distance from the bottom surface of the flange plate of the resonant column according to a given shape, the structure can easily realize the ultra-strong capacitive coupling index of a low-frequency project, the stability and consistency are easy to control, and the structure is suitable for mass production and the like.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a superstrong capacitive coupling structure of low frequency project, includes filter body, syntonizer (16) fixed connection is internal at the filter body, its characterized in that, filter body is inside to be equipped with mount table (10), mount table (10) top fixedly connected with medium support piece (15), be equipped with the connecting hole on medium support piece (15), be connected with capacitive coupling copper sheet (13) through plastics screw (14) on medium support piece (15), capacitive coupling copper sheet (13) mainly comprise connection piece (131) and two arc cards (132), two arc cards (132) are connected respectively at the both ends of connection piece (131), and connection piece (131) and two arc cards (132) are integrated into one piece, be equipped with through-hole (12) corresponding with plastics screw (14) on connection piece (131), gaps are reserved between the two arc-shaped clamping pieces (132) and the resonator (16).
2. The ultra-high capacitive coupling structure for the low-frequency project according to claim 1, wherein the filter body comprises a cavity (1) and a cover plate (2), the cover plate (2) is connected to the top of the cavity (1) through a cover plate fixing screw (3), a screw hole (101) corresponding to the cover plate fixing screw (3) is formed in the top of the cavity (1), the side wall of the cavity (1) is connected with an input assembly and an output assembly respectively, and the mounting table (10) is fixedly connected in the cavity (1) and is integrally formed with the cavity (1).
3. The structure of claim 2, wherein the number of resonators (16) is four, and the resonators are uniformly distributed in the cavity (1).
4. The ultra-high capacitive coupling structure for low frequency items according to claim 3, wherein a tuning screw (4) corresponding to the resonator (16) is connected to the top of the cover plate (2).
5. The ultra-high capacitive coupling structure for the low frequency items according to claim 2, 3 or 4, wherein the input assembly comprises an input connector (5) and an input coupling copper sheet (9), the input connector (5) is connected to the side wall of the cavity (1) through a connector fixing screw A (6), one end of the input coupling copper sheet (9) is connected with the input connector (5), and the other end of the input coupling copper sheet (9) is connected with the resonator (16);
the output assembly comprises an output connector (7) and an output coupling copper sheet (11), the output connector (7) is connected to the side wall of the cavity (1) through a connector fixing screw B (8), one end of the output coupling copper sheet (11) is connected with the output connector (7), and the other end of the output coupling copper sheet (11) is connected with the resonator (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921190995.7U CN210224241U (en) | 2019-07-26 | 2019-07-26 | Low-frequency project ultra-strong capacitive coupling structure |
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| CN201921190995.7U CN210224241U (en) | 2019-07-26 | 2019-07-26 | Low-frequency project ultra-strong capacitive coupling structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534855A (en) * | 2019-07-26 | 2019-12-03 | 苏州诺泰信通讯有限公司 | A kind of superpower capacitive coupling structure of low frequency project |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534855A (en) * | 2019-07-26 | 2019-12-03 | 苏州诺泰信通讯有限公司 | A kind of superpower capacitive coupling structure of low frequency project |
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