CN206098646U - Novel capacitive coupling structure - Google Patents
Novel capacitive coupling structure Download PDFInfo
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- CN206098646U CN206098646U CN201621052676.6U CN201621052676U CN206098646U CN 206098646 U CN206098646 U CN 206098646U CN 201621052676 U CN201621052676 U CN 201621052676U CN 206098646 U CN206098646 U CN 206098646U
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Abstract
The utility model discloses a novel capacitive coupling structure, first medium lie in a resonance bar, and the second medium lies in first medium. The third medium lies in the 2nd resonance bar, and the fourth medium lies in the third medium. The one end of sheetmetal is fixed by first medium and second medium centre gripping. The other end of sheetmetal is fixed by third medium and fourth medium centre gripping. Compare traditional capacitive coupling structure, coupling strength can be adjusted to the capacitive coupling structure of present case, realizes the capacitive coupling through a fixed connection sheetmetal between the medium at two resonance bar, bending structures's through adjusting the sheetmetal the coupling volume of highly adjusting the wave filter, and the bending structures of sheetmetal is close the harmonious apron of wave filter more, and coupling strength is big more. Simple structure, convenient to use, the intensity of both adjustable capacitive couplings still can realize high coupling strength's requirement in wave filter product current space.
Description
Technical field
The utility model is related to field of wireless communication median filter field, more particularly to a kind of new capacitive coupling structure.
Background technology
With the fast development of the communications field, wave filter has become requisite device in wireless telecommunications.Refer to
Fig. 1, the capacitive coupling structure of prior art, including cavity 2A, tuning screw 1A, fix the first round end spiral shell of the first resonant rod 3A
Nail 5A, the second cheese head screw 6A for fixing the second resonant rod 4A, and in two adjacent coaxial cavity 2A the first resonant rod 3A
And second install the letter that " H " type of dumbbell shape coupling bar 20 medium 21 realizes the coaxial two cavity 2A of wave filter between resonant rod 4A
Number coupling, but this coupled structure is non-adjustable, if desired for different coupling amounts are obtained, then needs to take apart tuning cover plate 7A and changes
Various sizes of dumbbell shape coupling bar 20.And dumbbell shape coupling bar 20 passes through " H " type medium 21, because the space of wave filter limits
System, dumbbell shape coupling bar 20 can not be located adjacent to tune where cover plate 7A, it is impossible to realize the requirement of high stiffness of coupling.Existing skill
The capacitive coupling structure of art is suffered from the drawback that：
1st, capacitive coupling intensity is non-adjustable, needs to change dumbbell shape coupling bar 20 and medium if it need to adjust, using not side
Just；
2nd, limited by product space, it is impossible to realize high stiffness of coupling requirement.
Utility model content
For weak point present in above-mentioned technology, the utility model provide a kind of adjustable capacitive coupling intensity,
And the new capacitive coupling structure of high stiffness of coupling can be provided in product existing space.
In order to achieve the above object, the utility model provides a kind of new capacitive coupling structure, in coaxial filter two
A groove, including first medium, second medium, the 3rd medium, the 4th medium, metal are opened up on divider wall between neighboring chambers
Piece and the first resonant rod and the second resonant rod that are located at respectively between the neighboring chambers of coaxial filter two；The first medium position
On the first resonant rod in coaxial filter, second medium is located on first medium；3rd medium is located at coaxial filter
In on the second resonant rod, the 4th medium is located on the 3rd medium；The sheet metal includes first connecting portion, second connecting portion and convex
The portion of rising, the first connecting portion, second connecting portion and lug boss are formed in one structure；First connecting portion be located at first medium and
Between second medium, gripped by first medium and second medium；Second connecting portion is located on the 3rd medium and the 4th medium,
Gripped by the 3rd medium and the 4th medium；The lug boss passes through the groove.
Wherein, the position of the first resonant rod installing hole of the first medium correspondence is provided with first through hole, second medium correspondence
The position of the first resonant rod installing hole is provided with the second through hole, and the sheet metal is clamped between first medium and second medium
The position of one connecting portion the first resonant rod installing hole of correspondence is provided with third through-hole；The first through hole, the second through hole, third through-hole
Shape, size and location with the first resonant rod installing hole is adapted；First cheese head screw through first through hole, the second through hole,
Third through-hole and the first resonant rod installing hole, sheet metal, first medium, second medium are fixedly connected with the first resonant rod.
Wherein, the position of the second resonant rod installing hole of the 3rd medium correspondence is provided with fourth hole, the 4th medium correspondence
The position of the second resonant rod installing hole is provided with fifth hole, and the sheet metal is clamped between the 3rd medium and the 4th medium
The position of two connecting portions the second resonant rod installing hole of correspondence is provided with the 6th through hole；The fourth hole, fifth hole, the 6th through hole
Shape, size and location with the second resonant rod installing hole is adapted；Second cheese head screw through fourth hole, fifth hole,
6th through hole and the second resonant rod installing hole, sheet metal, the 3rd medium, the 4th medium are fixedly connected with the second resonant rod.
Wherein, the sheet metal through groove is provided with the 7th through hole, size and the tuning in wave filter of the 7th through hole
The size of screw rod is adapted.
Wherein, the first resonant rod offers first breach of " U " type structure, the second resonance in the face of the side of the second resonant rod
Pole face offers second breach of " U " type structure to the side of the first resonant rod；The first medium and second medium are located at the
On one breach, and it is fixedly connected with the first resonant rod；3rd medium and the 4th medium are located on the second breach, and with second
Resonant rod is fixedly connected.
The beneficial effects of the utility model are：Compared with traditional capacitive coupling structure, capacitive coupling of the present utility model
Structure, by being fixedly connected a sheet metal between the medium of two resonant rods capacitive coupling is realized, by adjusting sheet metal
Bending structure height adjusting the stiffness of coupling of wave filter, the tuning lid of the bending structure of sheet metal closer to wave filter
Plate, stiffness of coupling is bigger.Simple structure, it is easy to use, capacitively coupled intensity had both been can adjust, can also be existing in wave filter product
Space in realize the requirement of high stiffness of coupling.
Description of the drawings
Fig. 1 is traditional capacitive coupling structure schematic diagram；
Fig. 2 is new capacitive coupling structure schematic diagram of the present utility model；
Fig. 3 is the structural representation of sheet metal of the present utility model；
Fig. 4 is the structural representation of the resonant rod of the utility model first or the second resonant rod.
Main element symbol description：
1A, tuning screw 1B, tuning screw
2A, cavity 2B, cavity
3A, the first resonant rod 3B, the first resonant rod
4A, the second resonant rod 4B, the second resonant rod
5A, the first cheese head screw 5B, the first cheese head screw
6A, the second cheese head screw 6B, the second cheese head screw
7A, tuning cover plate 7B, tuning cover plate
8th, first medium 9, second medium
10th, the 3rd medium 11, the 4th medium
12nd, sheet metal 13, lug boss
14th, third through-hole 15, the 6th through hole
16th, the 7th through hole 17, the first breach
18th, the second breach 20, dumbbell shape coupling bar
21st, " H " type medium 22, first connecting portion
23rd, second connecting portion.
Specific embodiment
In order to more clearly state the utility model, below in conjunction with the accompanying drawings the utility model is further described.
Refer to Fig. 2 and Fig. 4, a kind of new capacitive coupling structure of the present utility model, in the adjacent chambers of coaxial filter two
A groove is opened up on divider wall between body 2B（It is not shown）, including first medium 8, second medium 9, the 3rd medium the 10, the 4th Jie
Matter 11, sheet metal 12 and the first resonant rod 3B and the second resonant rod that are located at respectively between the neighboring chambers 2B of coaxial filter two
4B.First medium 8 is located in coaxial filter on the first resonant rod 3B, and second medium 9 is located on first medium 8.3rd medium
10 are located in coaxial filter on the second resonant rod 4B, and the 4th medium 11 is located on the 3rd medium 10.Sheet metal 12 includes first
Connecting portion 22, second connecting portion 23 and lug boss 13, first connecting portion 22, second connecting portion 23 and lug boss 13 are formed in one
Structure.First connecting portion 22 is located between first medium 8 and second medium 9, is gripped by first medium 8 and second medium 9.
Second connecting portion 23 is located on the 3rd medium 10 and the 4th medium 11, is gripped by the 3rd medium 10 and the 4th medium 11.It is convex
Play portion 13 and pass through groove.
Capacitive coupling structure of the present utility model, sheet metal 12 is clamped in humorous with the two of coaxial cavity between two media
The bar that shakes is fixedly connected, and realizes capacitive coupling, when needing to adjust coupling amount, need to only open the tuning cover plate 7B of wave filter, adjusts
The height of the lug boss 13 of sheet metal 12, when the lug boss 13 of sheet metal 12 height from tuning cover plate 1B more close to when, capacitive coupling
Resultant is bigger, when the lug boss 13 of sheet metal 12 height from tuning cover plate 7B more away from when, capacitive coupling amount is less.And tradition is held
Property coupled structure due to dumbbell shape coupling bar 20 pass through " H " type medium 21, affected by " H " type medium 21, dumbbell shape coupling bar
20 cannot be too near apart from tuning cover plate 7B, therefore stiffness of coupling is little.And the height of sheet metal 12 of the present utility model is adjusted then not
With being restricted, bigger coupling value can be transferred to.New capacitive coupling structure of the present utility model, simple structure is easy to use,
Both capacitively coupled intensity had been can adjust, the requirement of high stiffness of coupling can have also been realized in the existing space of wave filter product.
In the present embodiment, the position of first resonant rod 3B installing holes of the correspondence of first medium 8 is provided with first through hole（Figure is not
Show）, the position of the first resonant rod 3B installing holes of correspondence of second medium 9 is provided with the second through hole（It is not shown）, sheet metal 12 is clamped in
The position of first resonant rod 3B installing holes of the correspondence of first connecting portion 22 is provided with third through-hole between first medium 8 and second medium 9
14.First through hole, the second through hole, the shape of the resonant rod 3B installing holes of third through-hole 14 and first, size and location are adapted；The
One cheese head screw 5B pass through first through hole, the second through hole, the resonant rod 3B installing holes of third through-hole 14 and first, by sheet metal 12,
First medium 8, second medium 9 are fixedly connected with the first resonant rod 3B.The the second resonant rod 4B installing holes of correspondence of 3rd medium 10
Position is provided with fourth hole（It is not shown）, the position of the second resonant rod 4B installing holes of correspondence of the 4th medium 11 is provided with fifth hole
（It is not shown）, sheet metal 12 be clamped between the 3rd medium 10 and the 4th medium 11 second connecting portion 23 correspondence the second resonant rod
The position of 4B installing holes is provided with the 6th through hole 15.Fourth hole, fifth hole, the 6th through hole 15 and the second resonant rod 4B installing holes
Shape, size and location be adapted.Second cheese head screw 6B passes through fourth hole, fifth hole, the 6th through hole 15 and second
Resonant rod 4B installing holes, sheet metal 12, the 3rd medium 10, the 4th medium 11 are fixedly connected with the second resonant rod 4B.In this reality
In applying example, by being provided with through hole on medium, sheet metal 12 and resonant rod, then fixed by cheese head screw, by medium, metal
Piece 12 is fixedly connected with resonant rod, and connected mode is simple, is easy to adjust the height of the lug boss 13 of sheet metal 12.
In the present embodiment, the sheet metal 12 through groove is provided with the 7th through hole 16, size and the filter of the 7th through hole 16
The size of tuning screw 1B is adapted in ripple device.7th through hole 16 is set, and tuning screw 1B can pass through the 7th through hole 16, carry out
The regulation of coupling amount.When the timing of structure one of sheet metal 12, tuning screw 1B enter groove depth it is bigger when, coupling amount is got over
Greatly, tuning screw 1B gets over hour into the depth of groove, and coupling amount is less.The new inductive coupled structure of this case, sheet metal
12 arrange the 7th through hole 16 for being available for tuning screw 1B to pass through, and can facilitate regulations of the tuning screw 1B to coupling amount.
Fig. 3 is referred to, the first resonant rod 3B offers first breach of " U " type structure in the face of the side of the second resonant rod 4B
17, the second resonant rod 4B offer second breach 18 of " U " type structure in the face of the side of the first resonant rod 3B.The He of first medium 8
Second medium 9 is located at 17 on the first breach, and is fixedly connected with the first resonant rod 3B.3rd medium 10 and the 4th medium 11 are located at
On second breach 18, and it is fixedly connected with the second resonant rod 4B.First resonant rod 3B of the present utility model and the second resonant rod 4B
Upper setting breach, saves cavity 2B spaces, has both facilitated the design structure of sheet metal 12, and beneficial to the installation of sheet metal 12.
The peace of new capacitive coupling structure of the present utility model is explained with reference to some structures of wave filter
Dress step：
1st, first the first resonant rod 3B is placed on the first resonance platform, then first medium 8 is placed on the first resonant rod 3B,
The first connecting portion 22 of sheet metal 12 is placed on first medium 8, then second medium 9 is placed in first connecting portion 22；Together
Reason is placed on the second resonant rod 4B on the second resonance platform, then the 3rd medium 10 is placed on the second resonant rod 4B, by sheet metal
12 second connecting portion 23 is placed on the 3rd medium 10, and then the 4th medium 11 is placed in second connecting portion 23；
2nd, the first cheese head screw 5B of wave filter is directed at the third through-hole of the second through hole of second medium 9, sheet metal 12
14th, the installing hole of the first through hole of first medium 8 and the first tuning plug 3B puts in；In the same manner the second cheese head screw of wave filter
6B is directed at fifth hole, the 6th through hole 15 of sheet metal 12, the fourth hole of the 4th medium 11 and second tune of the 4th medium 11
The installing hole of humorous bar 4B puts in；
3rd, to determine and tighten cheese head screw after cheese head screw alignment installing hole, sheet metal 12 is fixedly connected with resonant rod；
4th, tuning screw 1B is placed on the tuning cover plate 7B of wave filter；
5th, tuning cover plate 7B is placed on the cover plate face of cavity 2B and is alignd；
6th, screw, the installing hole of adjustment tuning cover plate 7B and the installing hole pair of cavity 2B are diagonally stamped in tuning cover plate 7B
Qi Hou, then remaining screw is put, and tighten.
Advantage of the present utility model is：
1st, the coupling amount of wave filter is adjusted by the height of the bending structure of regulation sheet metal 12, simple structure is used
It is convenient, capacitively coupled intensity had both been can adjust, the requirement of high stiffness of coupling can be also realized in the existing space of wave filter product；
2nd, breach is set on the first resonant rod 3B and the second resonant rod 4B, saves cavity 2B spaces, both facilitated design
The structure of sheet metal 12, and beneficial to the installation of resonant rod and sheet metal 12；
3rd, sheet metal 12 arranges the 7th through hole 16 for being available for tuning screw 1B to pass through, and can facilitate tuning screw 1B to coupling amount
Regulation.
Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection domain of the present utility model.
Claims (5)
1. a kind of new capacitive coupling structure, on the divider wall between the neighboring chambers of coaxial filter two groove is opened up, and it is special
Levy and be, including first medium, second medium, the 3rd medium, the 4th medium, sheet metal and respectively be located at coaxial filter
The first resonant rod and the second resonant rod between two neighboring chambers；The first medium is located at the first resonant rod in coaxial filter
On, second medium is located on first medium；3rd medium is located in coaxial filter on the second resonant rod, the 4th medium position
On the 3rd medium；The sheet metal includes first connecting portion, second connecting portion and lug boss, the first connecting portion, second
Connecting portion and lug boss are formed in one structure；First connecting portion is located between first medium and second medium, by first medium
Grip with second medium；Second connecting portion is located on the 3rd medium and the 4th medium, is pressed from both sides by the 3rd medium and the 4th medium
Hold fixation；The lug boss passes through the groove.
2. new capacitive coupling structure according to claim 1, it is characterised in that the first resonance of the first medium correspondence
The position of bar installing hole is provided with first through hole, and the position of second medium the first resonant rod installing hole of correspondence is provided with the second through hole, institute
The position for stating first connecting portion the first resonant rod installing hole of correspondence that sheet metal is clamped between first medium and second medium sets
There is third through-hole；Shape, the size and location of the first through hole, the second through hole, third through-hole and the first resonant rod installing hole
It is adapted；First cheese head screw pass through first through hole, the second through hole, third through-hole and the first resonant rod installing hole, by sheet metal,
First medium, second medium are fixedly connected with the first resonant rod.
3. new capacitive coupling structure according to claim 1, it is characterised in that the second resonance of the 3rd medium correspondence
The position of bar installing hole is provided with fourth hole, and the position of the 4th medium the second resonant rod installing hole of correspondence is provided with fifth hole, institute
The position for stating second connecting portion the second resonant rod installing hole of correspondence that sheet metal is clamped between the 3rd medium and the 4th medium sets
There is the 6th through hole；Shape, the size and location of the fourth hole, fifth hole, the 6th through hole and the second resonant rod installing hole
It is adapted；Second cheese head screw pass through fourth hole, fifth hole, the 6th through hole and the second resonant rod installing hole, by sheet metal,
3rd medium, the 4th medium are fixedly connected with the second resonant rod.
4. new capacitive coupling structure according to claim 1, it is characterised in that the sheet metal through groove is provided with
Seven through holes, the size of the 7th through hole is adapted with the size of tuning screw in wave filter.
5. new capacitive coupling structure according to claim 1, it is characterised in that the first resonant rod faces the second resonant rod
Side offer first breach of " U " type structure, the second resonant rod offers " U " type structure in the face of the side of the first resonant rod
The second breach；The first medium and second medium are located on the first breach, and are fixedly connected with the first resonant rod；Described
Three media and the 4th medium are located on the second breach, and are fixedly connected with the second resonant rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621052676.6U CN206098646U (en) | 2016-09-13 | 2016-09-13 | Novel capacitive coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621052676.6U CN206098646U (en) | 2016-09-13 | 2016-09-13 | Novel capacitive coupling structure |
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| Publication Number | Publication Date |
|---|---|
| CN206098646U true CN206098646U (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621052676.6U Active CN206098646U (en) | 2016-09-13 | 2016-09-13 | Novel capacitive coupling structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108281740A (en) * | 2018-03-27 | 2018-07-13 | 深圳市华扬通信技术有限公司 | Cavity body filter with adjustable capacitive coupling structure |
| CN113285191A (en) * | 2021-04-20 | 2021-08-20 | 武汉德威斯电子技术有限公司 | Filter convenient for coupling, coupling method thereof and communication equipment |
-
2016
- 2016-09-13 CN CN201621052676.6U patent/CN206098646U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108281740A (en) * | 2018-03-27 | 2018-07-13 | 深圳市华扬通信技术有限公司 | Cavity body filter with adjustable capacitive coupling structure |
| CN108281740B (en) * | 2018-03-27 | 2021-04-13 | 深圳市华扬通信技术有限公司 | Cavity filter with adjustable capacitive coupling structure |
| CN113285191A (en) * | 2021-04-20 | 2021-08-20 | 武汉德威斯电子技术有限公司 | Filter convenient for coupling, coupling method thereof and communication equipment |
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