CN206116568U - Filter - Google Patents
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- CN206116568U CN206116568U CN201620999164.4U CN201620999164U CN206116568U CN 206116568 U CN206116568 U CN 206116568U CN 201620999164 U CN201620999164 U CN 201620999164U CN 206116568 U CN206116568 U CN 206116568U
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- winged
- division board
- cavity
- wave filter
- bar
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Abstract
The utility model discloses a filter, it includes cavity, first division board, first resonance post, second resonance post and flies the pole, first division board sets up in the cavity, divide into first resonant cavity and second resonant cavity with the cavity, first resonance post sets up in first resonant cavity, and second resonance post sets up in the second resonant cavity, flying the pole and passing first division board, fly first end fixed connection in the first resonance post of pole, the second end is relative with second resonance post to be set up in order to realize signal coupled. The utility model discloses filter has stronger signal coupled intensity.
Description
Technical field
This utility model is related to communication technical field, more particularly to a kind of wave filter.
Background technology
Wave filter is a kind of frequency filter device, i.e. the signal of the frequency range to needing is selected, to not needing frequency range
Signal is suppressed, and wave filter is widely used in the communication fields such as radio frequency, microwave.At present most widely used wave filter mainly leads to
Overregulate the stiffness of coupling between the resonant frequency of multiple cavities and cavity and form desired operating characteristic.
The size that coupling between plurality of cavity generally flies bar by control coupling is carried out.Fly bar in prior art
Set-up mode causes stiffness of coupling to meet with bottleneck, it is impossible to be further enhanced.
Utility model content
This utility model provides a kind of wave filter, relatively low to solve the problems, such as prior art median filter stiffness of coupling.
To solve the above problems, the utility model proposes a kind of wave filter, it includes cavity, the first division board, first humorous
Shake post, the second resonant column and winged bar；First division board is arranged in the cavity, and the cavity is divided into into the first resonance
Chamber and the second resonator cavity；First resonant column is arranged at the first resonance intracavity, and second resonant column is arranged at described
Second resonance intracavity；The winged bar passes through first division board, and it is humorous that the first end of the winged bar is fixedly connected on described first
Shake post, and the second end is oppositely arranged to realize that signal is coupled with second resonant column.
Wherein, the first end of the winged bar is welded in first resonant column.
Wherein, the second end of the winged bar is disk or rectangular sheet.
Wherein, it is round bar, the diameter of the disk or the rectangular sheet between the first end of the winged bar and the second end
Length or width are all higher than the diameter of the round bar.
Wherein, winged pole socket is provided with first division board, the winged pole socket thickness is more than the described first isolation thickness of slab
Degree, the winged bar wears and is fixed on the winged pole socket.
Wherein, the winged pole socket side has respectively groove, and recess width is equal to the described first isolation plate thickness, described to fly
Pole socket is inserted on first division board by the groove.
Wherein, the length direction along the winged pole socket from the lower end of the winged pole socket offers a slit, the slit
Length is the 1/3～1/2 of the winged pole socket length；Slot ends or slot ends are led to being provided with one between slit opening end
Hole, for wearing the winged bar, the through-hole diameter is more than the slit width.
Wherein, the width at the slit opening end becomes larger towards the direction of the opening.
Wherein, the wave filter further includes the second division board and the 3rd division board, may be contained within the cavity, and
One end of one end, one end of the second division board and the 3rd division board of first division board is both connected to together, by institute
State cavity and be divided into the first resonator cavity, the second resonator cavity and the 3rd resonator cavity, the 3rd resonance intracavity is provided with the 3rd resonant column.
Wherein, first division board, second division board, the 3rd division board and the cavity are integrated
Structure.
This utility model wave filter includes cavity, the first division board, the first resonant column, the second resonant column and winged bar；The
One division board is arranged in cavity, and cavity is divided into into the first resonator cavity and the second resonator cavity；It is humorous that first resonant column is arranged at first
Shake intracavity, and the second resonant column is arranged at the second resonance intracavity；Winged bar passes through the first division board, and the first end for flying bar is fixedly connected on
First resonant column, the second end is oppositely arranged to realize that signal is coupled with the second resonant column.What this utility model flew bar is fixed on the
On one division board, one end is directly welded on resonant column, keeps stability to increase stiffness of coupling simultaneously.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of this utility model wave filter one；
Fig. 2 is the profile of filter implementation shown in Fig. 1；
Fig. 3 is the structural representation for flying pole socket in filter implementation shown in Fig. 1.
Specific embodiment
To make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and specifically
A kind of wave filter that embodiment is provided utility model is described in further detail.
Refer to Fig. 1 and Fig. 2, Fig. 1 be the embodiment of this utility model wave filter one structural representation；Fig. 2 is Fig. 1 institutes
Show the profile of filter implementation.
Present embodiment wave filter 100 includes cavity 11, the first division board 121, the second division board 122, the 3rd division board
123, the first resonant column 131, the second resonant column 132, the 3rd resonant column 133 and winged bar 15.
One end of one end of the first division board 121, one end of the second division board 122 and the 3rd division board 123 is connected to one
Rise, with by 11 points of cavity as the first resonator cavity 141, the second resonator cavity 142 and the 3rd resonator cavity 143.In present embodiment, cavity
11st, the first division board 121, the second division board 122 and the 3rd division board 123 are integrated.
First resonant column 131 is arranged in the first resonator cavity 141, and the second resonant column 132 is arranged on the second resonator cavity 142
Interior, the 3rd resonant column 133 is arranged in the 3rd resonator cavity 143.
Winged bar 15 passes through the first division board 121, and the first end 151 for flying bar 15 is fixedly connected on the first resonant column 131, this reality
Apply in mode and be fixedly connected by the way of welding.
Relative second resonant column 132 in second end 152 of winged bar 15 is arranged to realize that signal is coupled, and specifically, flies bar 15
The second end 152 be disk or rectangular sheet, and between the end 152 of first end 151 and second be round bar, if the second end 152 is disk,
The then diameter with diameter greater than cylinder of disk；If the second end 152 is rectangular sheet, the length and width of rectangular sheet is all higher than cylinder
Diameter.That is the second end 152 is arranged with relative second resonant column 132 of larger area, to strengthen stiffness of coupling.
The signal of the first resonant column 131 can pass through the winged bar 15 of welding and be transmitted directly to fly the second end 152 of bar 15, with
It is coupled on the second resonant column 132, the coupling loss of winged bar first end 151 is which reduced, so as to strengthen stiffness of coupling.
Winged bar 15 passes through the first division board 121, in the present embodiment, on the first division board 121 winged pole socket is additionally provided with
16, winged bar 15 can be fixed on into the winged pole socket 16, to ensure to fly the stability that bar 15 is arranged in cavity 11.And winged bar 15 is
Plastic material, specifically can be made up of Teflon (PTFE).
Two sides of winged pole socket 16 are respectively arranged with groove 161, and the width of groove is equal to the thickness of the first division board 121, flies
Pole socket 16 is inserted on the first division board 121 by the groove 161.The thickness of winged pole socket 16 is also greater than first division board 121
Thickness.
A slit 162 is further opened with the length direction for flying the winged pole socket 16 of the lower end edge of pole socket 16, the length of the slit 162 is
The 1/3～1/2 of the length of winged pole socket 16.Fig. 3 is specifically see, Fig. 3 is the structure for flying pole socket in filter implementation shown in Fig. 1
Schematic diagram.
The end 1622 of slit 162 is provided with a through hole 163 (such as Fig. 3 (a)), or in the end 1622 of slit 162 to slit
The through hole 163 (such as Fig. 3 (b)) is set between 162 openings 1621.The width with diameter greater than slit 162 of through hole 163, this leads to
Hole 163 is used to wear winged bar 15.
Winged pole socket 16 has certain elasticity, and flying bar 15 can be arranged in through hole 163 by slit 162.To make to fly bar 15
Can be conveniently mounted in winged pole socket 16, the width of the opening 1621 of slit 162 is set to, towards opening 1621
Direction becomes larger, and opening 1621 can be arranged (such as Fig. 3 (a)) for horn-like inclined-plane, alternatively inner concave arc surface (such as Fig. 3 (b)).
Cavity is divided into three resonator cavitys by the division board in the wave filter 100 of present embodiment, for only humorous with two
Shake the wave filter in chamber, on the basis of present embodiment, can in the same manner release its structure, therefore repeats no more.
This utility model wave filter includes cavity, the first division board, the first resonant column, the second resonant column and winged bar；The
One division board is arranged in cavity, and cavity is divided into into the first resonator cavity and the second resonator cavity；It is humorous that first resonant column is arranged at first
Shake intracavity, and the second resonant column is arranged at the second resonance intracavity；Winged bar passes through the first division board, and the first end for flying bar is fixedly connected on
First resonant column, the second end is oppositely arranged to realize that signal is coupled with the second resonant column.What this utility model flew bar is fixed on the
On one division board, one end is directly welded on resonant column, keeps stability to increase stiffness of coupling simultaneously.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using this utility model description and accompanying drawing content, or directly or indirectly uses
In other related technical fields, it is included in the same manner in scope of patent protection of the present utility model.
Claims (10)
1. a kind of wave filter, it is characterised in that the wave filter includes cavity, the first division board, the first resonant column, the second resonance
Post and winged bar；
First division board is arranged in the cavity, and the cavity is divided into into the first resonator cavity and the second resonator cavity；
First resonant column is arranged at the first resonance intracavity, and second resonant column is arranged at second resonator cavity
It is interior；
The winged bar passes through first division board, and the first end of the winged bar is fixedly connected on first resonant column, and second
End is oppositely arranged to realize that signal is coupled with second resonant column.
2. wave filter according to claim 1, it is characterised in that the first end of the winged bar is welded in first resonance
Post.
3. wave filter according to claim 1, it is characterised in that the second end of the winged bar is disk or rectangular sheet.
4. wave filter according to claim 3, it is characterised in that be round between the first end of the winged bar and the second end
The length and width of bar, the diameter of the disk or the rectangular sheet are all higher than the diameter of the round bar.
5. wave filter according to claim 1, it is characterised in that winged pole socket is provided with first division board, it is described
Winged pole socket thickness wears and is fixed on the winged pole socket more than the described first isolation plate thickness, the winged bar.
6. wave filter according to claim 5, it is characterised in that the winged pole socket side has respectively groove, groove width
Degree is equal to the described first isolation plate thickness, and the winged pole socket is inserted on first division board by the groove.
7. wave filter according to claim 5, it is characterised in that along the winged pole socket from the lower end of the winged pole socket
Length direction offers a slit, and the slit length is the 1/3～1/2 of the winged pole socket length；
Slot ends or slot ends are used to wear the winged bar to a through hole, the through hole is provided between slit opening end,
The through-hole diameter is more than the slit width.
8. wave filter according to claim 7, it is characterised in that the width at the slit opening end is towards the opening
Direction becomes larger.
9. wave filter according to claim 1, it is characterised in that the wave filter further includes the second division board and
Three division boards, may be contained within the cavity, and one end of first division board, one end of the second division board and the 3rd every
It is both connected to together, the cavity is divided into into the first resonator cavity, the second resonator cavity and the 3rd resonator cavity from one end of plate, it is described
3rd resonance intracavity is provided with the 3rd resonant column.
10. wave filter according to claim 9, it is characterised in that first division board, second division board, institute
State the 3rd division board and the cavity is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999164.4U CN206116568U (en) | 2016-08-29 | 2016-08-29 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999164.4U CN206116568U (en) | 2016-08-29 | 2016-08-29 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116568U true CN206116568U (en) | 2017-04-19 |
Family
ID=58514895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620999164.4U Active CN206116568U (en) | 2016-08-29 | 2016-08-29 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206116568U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649303A (en) * | 2018-07-13 | 2018-10-12 | 京信通信系统（中国）有限公司 | A kind of capacitive coupling interaction structure and cavity body filter |
| CN111834712A (en) * | 2020-08-18 | 2020-10-27 | 宁波华瓷通信技术有限公司 | Filter capacitive coupling reinforcing structure |
| CN113725569A (en) * | 2021-09-13 | 2021-11-30 | 宁波华瓷通信技术股份有限公司 | Filter coupling quantity reinforcing structure |
-
2016
- 2016-08-29 CN CN201620999164.4U patent/CN206116568U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649303A (en) * | 2018-07-13 | 2018-10-12 | 京信通信系统（中国）有限公司 | A kind of capacitive coupling interaction structure and cavity body filter |
| CN111834712A (en) * | 2020-08-18 | 2020-10-27 | 宁波华瓷通信技术有限公司 | Filter capacitive coupling reinforcing structure |
| CN113725569A (en) * | 2021-09-13 | 2021-11-30 | 宁波华瓷通信技术股份有限公司 | Filter coupling quantity reinforcing structure |
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