CN210040475U - Dielectric filter - Google Patents
Dielectric filter Download PDFInfo
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- CN210040475U CN210040475U CN201921317475.8U CN201921317475U CN210040475U CN 210040475 U CN210040475 U CN 210040475U CN 201921317475 U CN201921317475 U CN 201921317475U CN 210040475 U CN210040475 U CN 210040475U
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Abstract
The utility model discloses a dielectric filter, which comprises a plate-shaped dielectric filter body, wherein the dielectric filter body is cuboid; the front surface of the dielectric filter body is provided with a first through groove and a second through groove, the back surface of the dielectric filter body is provided with a third through groove and a fourth through groove, the extending directions of the first through groove, the second through groove, the third through groove and the fourth through groove are all consistent with the width direction of the front surface of the dielectric filter body, the third through groove and the fourth through groove are positioned between the first through groove and the second through groove, the third through groove is arranged close to the first through groove, and the fourth through groove is arranged close to the second through groove; one of them long limit place side of dielectric filter body is equipped with first deep groove, second deep groove and third deep groove, and first deep groove is located between first logical groove and the third through groove, and the second deep groove is located between third logical groove and the fourth through groove, and the third deep groove is located between fourth logical groove and the second through groove. The utility model relates to a dielectric filter, its machine-shaping of being convenient for is favorable to improving the filter yield.
Description
Technical Field
The utility model relates to a dielectric filter.
Background
Modern communication systems have increasingly high requirements on the size of the filter, and the advantages of the dielectric filter in terms of performance and size are increasingly obvious. At present, blind holes with different sizes are required to be formed in a solid dielectric filter body, and the dielectric filter body with the structure is easy to crack or deform at the positions of the blind holes in the manufacturing process, so that the yield of the filter is not improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dielectric filter, its is rational in infrastructure, and the machine-shaping of being convenient for is favorable to improving the yield of wave filter.
In order to achieve the above object, the present invention provides a dielectric filter, which includes a plate-shaped dielectric filter body, wherein the dielectric filter body is in a rectangular parallelepiped shape;
the front surface of the dielectric filter body is symmetrically provided with a first through groove and a second through groove, and the extending directions of the first through groove and the second through groove are consistent with the width direction of the front surface of the dielectric filter body;
the back of the dielectric filter body is symmetrically provided with a third through groove and a fourth through groove, the extending directions of the third through groove and the fourth through groove are consistent with the width direction of the back of the dielectric filter body, the third through groove and the fourth through groove are positioned between the first through groove and the second through groove, the third through groove is arranged close to the first through groove, and the fourth through groove is arranged close to the second through groove;
the dielectric filter comprises a dielectric filter body and is characterized in that a first deep groove, a second deep groove and a third deep groove are formed in the side face of one of the long edges of the dielectric filter body, the first deep groove, the second deep groove and the third deep groove penetrate through the front face and the back face of the dielectric filter body, the first deep groove is located between the first through groove and the third through groove, the second deep groove is located between the third through groove and the fourth through groove, and the third deep groove is located between the fourth through groove and the second through groove.
Preferably, the first through groove, the second through groove, the third through groove and the fourth through groove are arranged at equal intervals.
Preferably, the corners of the bottoms of the first through groove, the second through groove, the third through groove and the fourth through groove are provided with arc chamfers.
Preferably, the first deep groove, the second deep groove and the third deep groove are arranged at equal intervals.
Preferably, the first deep groove, the second deep groove and the third deep groove have the same depth.
The utility model has the advantages and the beneficial effects that: the dielectric filter is reasonable in structure, convenient to machine and form and beneficial to improving the yield of the filter. Because traditional dielectric filter body is at the forming process, through high temperature sintering back blind hole position easy crackle and deformation, consequently, the utility model discloses adopt logical groove structure to replace traditional blind hole structure on the well filter body, effectively reduced the emergence of crackle and deformation. The utility model discloses first logical groove, second logical groove, third logical groove and fourth deep groove on well dielectric filter body are used for forming the syntonizer respectively to, first deep groove, second deep groove and third deep groove on the dielectric filter body are used for forming the coupling window respectively, can realize the performance index of wave filter through the size of adjusting the coupling window. Additionally, the utility model discloses the wave filter still helps improving the heat dispersion of syntonizer through adopting logical groove structure.
Drawings
Figure 1 is a front view of a dielectric filter body.
Figure 2 is a rear view of the dielectric filter body.
Fig. 3 is one of perspective views of the dielectric filter body.
Fig. 4 is a second perspective view of the dielectric filter body.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses the technical scheme who specifically implements is:
as shown in fig. 1 to 4, a dielectric filter includes a plate-shaped dielectric filter body, and the dielectric filter body has a rectangular parallelepiped shape;
the front face 1 of the dielectric filter body is symmetrically provided with a first through groove 11 and a second through groove 12, and the extending directions of the first through groove 11 and the second through groove 12 are consistent with the width direction of the front face 1 of the dielectric filter body;
a third through groove 21 and a fourth through groove 22 are symmetrically arranged on the back 2 of the dielectric filter body, the extending directions of the third through groove 21 and the fourth through groove 22 are consistent with the width direction of the back 2 of the dielectric filter body, the third through groove 21 and the fourth through groove 22 are positioned between the first through groove 11 and the second through groove 12, the third through groove 21 is arranged close to the first through groove 11, and the fourth through groove 22 is arranged close to the second through groove 12;
the dielectric filter comprises a dielectric filter body and is characterized in that a first deep groove 31, a second deep groove 32 and a third deep groove 33 are formed in a side face 3 where one long side of the dielectric filter body is located, the first deep groove 31, the second deep groove 32 and the third deep groove 33 penetrate through the front face 1 and the back face 2 of the dielectric filter body, the first deep groove 31 is located between a first through groove 11 and a third through groove 21, the second deep groove 32 is located between the third through groove 21 and a fourth through groove 22, and the third deep groove 33 is located between the fourth through groove 22 and a second through groove 12.
The first through grooves 11, the second through grooves 12, the third through grooves 21 and the fourth through grooves 22 are arranged at equal intervals.
The corners of the bottoms of the first through groove 11, the second through groove 12, the third through groove 21 and the fourth through groove 22 are all provided with arc chamfers 4.
The first deep groove 31, the second deep groove 32, and the third deep groove 33 described above are arranged at equal intervals.
The first deep groove 31, the second deep groove 32, and the third deep groove 33 have the same depth.
The utility model has the advantages and the beneficial effects that: the dielectric filter is reasonable in structure, convenient to machine and form and beneficial to improving the yield of the filter. Because traditional dielectric filter body is at the forming process, through high temperature sintering back blind hole position easy crackle and deformation, consequently, the utility model discloses adopt logical groove structure to replace traditional blind hole structure on the well filter body, effectively reduced the emergence of crackle and deformation. The utility model discloses first logical groove 11, second logical groove 12, the third on the well dielectric filter body lead to 21 and fourth logical groove 22 and are used for forming the syntonizer respectively to, first deep groove 31, second deep groove 32 and third deep groove 33 on the dielectric filter body are used for forming the coupling window respectively, can realize the performance index of wave filter through the size of adjusting the coupling window. Additionally, the utility model discloses the wave filter still helps improving the heat dispersion of syntonizer through adopting logical groove structure.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A dielectric filter is characterized by comprising a plate-shaped dielectric filter body, wherein the dielectric filter body is in a cuboid shape;
the front surface of the dielectric filter body is symmetrically provided with a first through groove and a second through groove, and the extending directions of the first through groove and the second through groove are consistent with the width direction of the front surface of the dielectric filter body;
the back of the dielectric filter body is symmetrically provided with a third through groove and a fourth through groove, the extending directions of the third through groove and the fourth through groove are consistent with the width direction of the back of the dielectric filter body, the third through groove and the fourth through groove are positioned between the first through groove and the second through groove, the third through groove is arranged close to the first through groove, and the fourth through groove is arranged close to the second through groove;
the dielectric filter comprises a dielectric filter body and is characterized in that a first deep groove, a second deep groove and a third deep groove are formed in the side face of one of the long edges of the dielectric filter body, the first deep groove, the second deep groove and the third deep groove penetrate through the front face and the back face of the dielectric filter body, the first deep groove is located between the first through groove and the third through groove, the second deep groove is located between the third through groove and the fourth through groove, and the third deep groove is located between the fourth through groove and the second through groove.
2. The dielectric filter of claim 1, wherein the first, second, third, and fourth through slots are equally spaced.
3. The dielectric filter of claim 2, wherein the corners of the bottom of the first, second, third and fourth through slots are each provided with a rounded chamfer.
4. The dielectric filter of claim 3, wherein the first deep trench, the second deep trench, and the third deep trench are arranged at equal intervals.
5. The dielectric filter of claim 4, wherein the first deep trench, the second deep trench, and the third deep trench are the same depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921317475.8U CN210040475U (en) | 2019-08-14 | 2019-08-14 | Dielectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921317475.8U CN210040475U (en) | 2019-08-14 | 2019-08-14 | Dielectric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040475U true CN210040475U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921317475.8U Active CN210040475U (en) | 2019-08-14 | 2019-08-14 | Dielectric filter |
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| Country | Link |
|---|---|
| CN (1) | CN210040475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459841A (en) * | 2019-08-14 | 2019-11-15 | 苏州波发特电子科技有限公司 | A kind of dielectric filter |
-
2019
- 2019-08-14 CN CN201921317475.8U patent/CN210040475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459841A (en) * | 2019-08-14 | 2019-11-15 | 苏州波发特电子科技有限公司 | A kind of dielectric filter |
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