CN217881838U - Multi-directional tuning structure with pass band resistor product coupling value - Google Patents
Multi-directional tuning structure with pass band resistor product coupling value Download PDFInfo
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- CN217881838U CN217881838U CN202222185406.4U CN202222185406U CN217881838U CN 217881838 U CN217881838 U CN 217881838U CN 202222185406 U CN202222185406 U CN 202222185406U CN 217881838 U CN217881838 U CN 217881838U
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Abstract
The utility model discloses a band pass band hinders multidirectional tuning structure of product coupling value relates to communication filter technical field. The utility model discloses a cavity, the apron is installed on the top of cavity, the tuning screw is installed to the screw on the apron, fixed mounting has the resonance post in the cavity, the welding has the band elimination coupling copper sheet on the resonance post, cavity left side installation input joint, the right side installation output of cavity connects, the input connect with output connects's inner core all stretches into in the cavity, install the main transmission copper sheet in the cavity, the main both ends of transmitting the copper sheet respectively with the input connect the inner core with output connects's inner core welding, be equipped with the auxiliary hole on the apron, the band elimination coupling copper sheet is located the below of main transmission copper sheet, the auxiliary hole is located main transmission copper sheet top can obtain the coupling value that needs, has solved band elimination filter simulation time length, the difficult problem of emulation.
Description
Technical Field
The utility model belongs to the technical field of communication filter, specifically speaking relates to a band pass band hinders multidirectional tuning structure of product coupling value.
Background
A band-stop filter refers to a filter that passes most of the frequency components, but attenuates certain ranges of frequency components to a very low level, as opposed to the concept of a band-pass filter. The notch filter is a special band-stop filter, the stopband range of the notch filter is extremely small, and the notch filter has a very high Q value, so that the notch filter is often used in practical application scenes to meet and meet the requirements of customers. In the conventional design, because the number of the band-stop single cavities is large, the analog simulation time occupies a large part of time, so that the period of the whole product can be prolonged, and certain difficulty is caused for occupying market resources.
Therefore, there is a need to improve the disadvantages and drawbacks of the prior art and to provide a multi-directional tuning structure with pass band resistors for product coupling values.
In view of this special the utility model is put forward.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming prior art not enough, provides one kind and can overcome above-mentioned problem or solve the multidirectional tuning structure of product coupling value is hindered to band-pass band of above-mentioned problem at least partially.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a band pass band hinders multidirectional harmonious structure of product coupling value, includes the cavity, the apron is installed on the top of cavity, the tuning screw is installed to the screw thread on the apron, fixed mounting has the resonance post in the cavity, the welding has the band stop coupling copper sheet on the resonance post, the input connects is installed in the cavity left side, the output connects is installed on the right side of cavity, the input connect with the inner core of output connects all stretches into in the cavity, install the main transmission copper sheet in the cavity, the both ends of main transmission copper sheet respectively with the inner core of input joint with the inner core welding of output connects, be equipped with the auxiliary hole on the apron, the band stop coupling copper sheet is located the below of main transmission copper sheet, the auxiliary hole is located the top of main transmission copper sheet.
In order to fix the tuning screws, preferably, the number of the tuning screws is three, the tuning screws are uniformly distributed on the transverse axis of the cover plate, fixing nuts are threadedly mounted on the tuning screws, and the bottom surfaces of the fixing nuts are abutted to the top surfaces of the cover plate.
In order to enable the tuning screws to penetrate into the resonant columns, the number of the resonant columns is three, the resonant columns are uniformly distributed in the cavity, the resonant columns are located right below the tuning screws, the top ends of the resonant columns are provided with grooves, and the tuning screws penetrate into the grooves.
In order to adjust the main transmission copper sheet, six auxiliary holes are further formed, the auxiliary holes are located above the band-elimination coupling copper sheets, and two auxiliary holes are formed in each band-elimination coupling copper sheet.
In order to seal the auxiliary hole, the auxiliary hole is filled with a metal-backed aluminum foil.
In order to fixedly mount the cover plate on the cavity, preferably, the cavity and the cover plate are respectively provided with a cover plate screw hole which is matched with each other, cover plate fixing screws are mounted in the cover plate screw holes in a threaded manner, the number of the cover plate fixing screws is 20 to 25, and each cover plate fixing screw abuts against the top surface of the cover plate.
In order to fix the main transmission copper sheet in the cavity, preferably, the main transmission copper sheet and the cavity are both provided with a copper sheet fixing screw hole matched with each other, and a main transmission copper sheet fixing screw is installed in the copper sheet fixing screw hole through internal threads.
In order to adjust a preset difference value between the main transmission copper sheet and the main transmission copper sheet medium supporting piece, further, the main transmission copper sheet medium supporting piece is installed on the main transmission copper sheet fixing screw in a threaded mode, the top surface of the main transmission copper sheet medium supporting piece abuts against the main transmission copper sheet, and the bottom surface of the main transmission copper sheet medium supporting piece abuts against the cavity.
In order to fixedly mount the input connector at the side end of the cavity, it is preferable that the fixing plate portion of the input connector and the cavity are provided with input connector screw holes which are matched with each other, and input connector fixing screws are threadedly mounted in the input connector screw holes.
In order to fixedly install the output connector at the side end of the cavity, preferably, a fixing plate part of the output connector and the cavity are provided with matched output connector screw holes, and output connector fixing screws are installed in the output connector screw holes in a threaded manner.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has: the utility model relates to a band pass band hinders multidirectional tuning structure of product coupling value, stretch into the cavity with supplementary adjustment tool through the auxiliary hole, adjust the distance between main transmission copper sheet and the band elimination coupling copper sheet from the external world, deformation through adjusting three position on the main transmission copper sheet, distance between control main transmission copper sheet and the three band elimination coupling copper sheet, thereby the interval of mutual coupling part produces the change and obtains the coupling value that needs between main transmission copper sheet and the band elimination coupling copper sheet, it is long to have solved band elimination filter analog simulation time, the difficult problem of emulation, processing low cost, the assembly precision requirement is low, can easily realize by big batch operation.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic top view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic diagram of the right-side view structure of the present invention;
fig. 4 is a schematic view of the internal top view structure of the present invention;
fig. 5 is a schematic diagram of the three-dimensional explosion structure of the present invention;
fig. 6 is a schematic diagram of the three-dimensional internal structure of the present invention;
fig. 7 is a schematic view of the three-dimensional internal non-main transmission copper sheet structure of the present invention.
In the figure: 1. a cavity; 2. a cover plate; 3. a cover plate fixing screw; 4. a tuning screw; 5. an input connector; 6. an input joint fixing screw; 7. an output connector; 8. an output connector fixing screw; 9. a main transmission copper sheet; 10. fixing a set screw by a main transmission copper sheet; 11. a main transmission copper sheet medium support; 12. band-stop coupling copper sheets; 13. an auxiliary hole; 14. a resonant column.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
Example (b):
referring to fig. 1-7, the multidirectional tuning structure with the pass band resistance product coupling value comprises a cavity 1, a cover plate 2 is installed at the top end of the cavity 1, a tuning screw 4 is installed on the cover plate 2 in a threaded mode, a resonance column 14 is fixedly installed in the cavity 1, a band-stop coupling copper sheet 12 is welded on the resonance column 14, an input connector 5 is installed on the left side of the cavity 1, an output connector 7 is installed on the right side of the cavity 1, inner cores of the input connector 5 and the output connector 7 extend into the cavity 1, a main transmission copper sheet 9 is installed in the cavity 1, two ends of the main transmission copper sheet 9 are respectively welded with the inner core of the input connector 5 and the inner core of the output connector 7, an auxiliary hole 13 is formed in the cover plate 2, the band-stop coupling copper sheet 12 is located below the main transmission copper sheet 9, and the auxiliary hole 13 is located above the main transmission copper sheet 9.
The number of the tuning screws 4 is three, the tuning screws 4 are uniformly distributed on the position of a transverse axis of the cover plate 2, fixing nuts are mounted on the tuning screws 4 in a threaded mode, the bottom surfaces of the fixing nuts are abutted to the top surface of the cover plate 2, the number of the resonance columns 14 is three, the resonance columns 14 are uniformly distributed in the cavity 1, the resonance columns 14 are located under the tuning screws 4, grooves are formed in the top ends of the resonance columns 14, the tuning screws 4 extend into the grooves, six auxiliary holes 13 are formed in the auxiliary holes 13, the auxiliary holes 13 are located above the band-stop coupling copper sheets 12, two auxiliary holes 13 are formed in each band-stop coupling copper sheet 12, metal gum aluminum foil is filled in the auxiliary holes 13, a crochet hook-pin-shaped tool extends into the cavity 1 through the auxiliary holes 13, the distance between the main transmission copper sheet 9 and the band-stop coupling copper sheets 12 is adjusted, and after the adjustment is completed, the auxiliary holes 13 are sealed and blocked by the metal gum aluminum foil, so that sundries are prevented from entering the auxiliary holes 13 and affecting the normal use of the device inside the cavity 1.
The cavity body 1 and the cover plate 2 are respectively provided with a cover plate screw hole which is matched with each other, the cover plate screw holes are internally threaded with cover plate fixing screws 3, the number of the cover plate fixing screws 3 is 20 to 25, each cover plate fixing screw 3 is abutted against the top surface of the cover plate 2, and the cover plate 2 is fixedly arranged at the top end of the cavity body 1 through the cover plate fixing screws 3.
The transmission device is characterized in that copper sheet fixing screw holes matched with each other are formed in the main transmission copper sheet 9 and the cavity 1, main transmission copper sheet fixing set screws 10 are installed in the copper sheet fixing screw holes in a threaded mode, main transmission copper sheet medium supporting pieces 11 are installed on the main transmission copper sheet fixing set screws 10 in a threaded mode, the top faces of the main transmission copper sheet medium supporting pieces 11 abut against the main transmission copper sheet 9, the bottom faces of the main transmission copper sheet medium supporting pieces 11 abut against the cavity 1, the main transmission copper sheet 9 is fixedly installed in the cavity 1 through the main transmission copper sheet fixing set screws 10, the position of the band-stop coupling copper sheet 12 is fixed, the height of the main transmission copper sheet 9 in the cavity 1 is set through the thickness of the main transmission copper sheet medium supporting pieces 11, and therefore the initial distance between the main transmission copper sheet 9 and the main transmission copper sheet medium supporting pieces 11 is set.
The fixing plate part of the input connector 5 and the cavity 1 are provided with matched input connector screw holes, input connector fixing screws 6 are installed in the input connector screw holes in a threaded mode, and the input connector 5 is fixedly installed at the side end of the cavity 1 through the input connector fixing screws 6.
The fixing plate part of the output connector 7 and the cavity 1 are provided with output connector screw holes matched with each other, output connector fixing screws 8 are installed in the output connector screw holes in a threaded mode, and the output connector 7 is fixedly installed at the side end of the cavity 1 through the output connector fixing screws 8.
The utility model discloses be applied to communication filter technical field, fix the side at cavity 1 with input joint 5 through input joint set screw 6, output joint set screw 8 fixes output joint 7 at the other end of cavity 1, with band elimination coupling copper sheet 12 weld to resonance post 14 on, main transmission copper sheet set screw 10 fixes main transmission copper sheet 9 in cavity 1, distance difference between thickness adjustment band elimination coupling copper sheet 12 through main transmission copper sheet medium support piece 11 and the main transmission copper sheet 9, with this initial band elimination coupling value who sets up the device, with main transmission copper sheet 9 and input joint 5 and output joint 7 welding, use apron set screw 3 to fix apron 2 on cavity 1, stretch into resonance post 14's recess with tuning screw 4, stretch into cavity 1 with the instrument of two hook needle shapes through auxiliary hole 13, let main transmission copper sheet 9 kickup or downwarping produce deformation, adjust the distance between main transmission copper sheet 9 and the band elimination coupling copper sheet 12, through adjusting main transmission copper sheet 9 and the distance between three band elimination coupling copper sheet 12, make the device reach the band elimination coupling value of product demand, block up through metal coordination, plug up the band elimination coupling hole, the auxiliary transmission copper sheet 9 and use the output joint by the aluminium foil, the output joint is realized by the input filter 7 of aluminium foil, output joint is realized.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, but the present invention is not limited to the above embodiments, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still belong to the scope of the present invention.
Claims (10)
1. The utility model provides a take band pass to hinder multidirectional tuning structure of product coupling value which characterized in that: including cavity (1), apron (2) are installed on the top of cavity (1), tuning screw (4) are installed to the screw thread on apron (2), cavity (1) internal fixation installs resonance post (14), the welding has band stop coupling copper sheet (12) on resonance post (14), input joint (5) are installed in cavity (1) left side, output joint (7) are installed on the right side of cavity (1), input joint (5) with the inner core of output joint (7) all stretches into in cavity (1), install main transmission copper sheet (9) in cavity (1), the both ends of main transmission copper sheet (9) respectively with the inner core of input joint (5) with the inner core welding of output joint (7), be equipped with auxiliary hole (13) on apron (2), band stop coupling copper sheet (12) are located the below of main transmission copper sheet (9), auxiliary hole (13) are located the top of main transmission copper sheet (9).
2. The multi-directional tuning structure with the pass band stop product coupling value according to claim 1, characterized in that: the number of the tuning screws (4) is three, the tuning screws (4) are uniformly distributed on the transverse axis of the cover plate (2), fixing nuts are installed on the tuning screws (4) in a threaded mode, and the bottom surfaces of the fixing nuts are abutted to the top surface of the cover plate (2).
3. The multi-directional tuning structure with the pass band stop product coupling value according to claim 2, characterized in that: the resonant column (14) is three in total, the resonant column (14) is uniformly distributed in the cavity (1), the resonant column (14) is located under the tuning screw (4), a groove is formed in the top end of the resonant column (14), and the tuning screw (4) extends into the groove.
4. The multi-directional tuning structure with the pass band stop product coupling value according to claim 3, characterized in that: the six auxiliary holes (13) are formed, the auxiliary holes (13) are located above the band-stop coupling copper sheets (12), and two auxiliary holes (13) are formed in each band-stop coupling copper sheet (12).
5. The multi-directional tuning structure with the pass band stop product coupling value according to claim 4, characterized in that: and the auxiliary hole (13) is filled with a metal gum aluminum foil.
6. The multi-directional tuning structure with the pass band stop product coupling value according to claim 1, characterized in that: the cavity (1) and the cover plate (2) are respectively provided with a cover plate screw hole which is matched with each other, cover plate fixing screws (3) are installed in the cover plate screw holes in an internal thread mode, the number of the cover plate fixing screws (3) is 20-25, and each cover plate fixing screw (3) is abutted to the top surface of the cover plate (2).
7. The multi-directional tuning structure with the pass band stop product coupling value according to claim 1, characterized in that: and the main transmission copper sheet (9) and the cavity (1) are respectively provided with a copper sheet fixing screw hole matched with each other, and a main transmission copper sheet fixing screw (10) is arranged in the copper sheet fixing screw hole in an internal thread manner.
8. The multi-directional tuning structure with the pass band stop product coupling value according to claim 7, characterized in that: the main transmission copper sheet medium supporting piece (11) is installed on the main transmission copper sheet fixing screw (10) in a threaded mode, the top face of the main transmission copper sheet medium supporting piece (11) abuts against the main transmission copper sheet (9), and the bottom face of the main transmission copper sheet medium supporting piece (11) abuts against the cavity (1).
9. The multi-directional tuning structure with the pass band stop product coupling value according to claim 1, characterized in that: and a fixed plate part of the input connector (5) and the cavity (1) are provided with input connector screw holes matched with each other, and input connector fixing screws (6) are arranged in the input connector screw holes in a threaded manner.
10. The multi-directional tuning structure with the pass band stop product coupling value according to claim 1, characterized in that: and a fixing plate part of the output connector (7) and the cavity (1) are provided with output connector screw holes matched with each other, and output connector fixing screws (8) are installed in the output connector screw holes in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222185406.4U CN217881838U (en) | 2022-08-19 | 2022-08-19 | Multi-directional tuning structure with pass band resistor product coupling value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222185406.4U CN217881838U (en) | 2022-08-19 | 2022-08-19 | Multi-directional tuning structure with pass band resistor product coupling value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217881838U true CN217881838U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222185406.4U Active CN217881838U (en) | 2022-08-19 | 2022-08-19 | Multi-directional tuning structure with pass band resistor product coupling value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217881838U (en) |
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2022
- 2022-08-19 CN CN202222185406.4U patent/CN217881838U/en active Active
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