CN208622904U - Dielectric waveguide filter - Google Patents
Dielectric waveguide filter Download PDFInfo
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- CN208622904U CN208622904U CN201821354514.7U CN201821354514U CN208622904U CN 208622904 U CN208622904 U CN 208622904U CN 201821354514 U CN201821354514 U CN 201821354514U CN 208622904 U CN208622904 U CN 208622904U
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- vacancy section
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- metal layer
- waveguide filter
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Abstract
The utility model relates to a kind of dielectric waveguide filters, including the first dielectric block and the second dielectric block.First dielectric block is together with the second dielectric block stacked combination, side is in contact with side where the second vacancy section of the second collets where first vacancy section of the first dielectric block, and first vacancy section be completely covered on the periphery of the second vacancy section, the side wall of the side wall of the first vacancy section and the second vacancy section has air gap.Above-mentioned dielectric waveguide filter, relative to traditional dielectric waveguide filter, it does not need so that the first vacancy section shape pattern is identical safely as the second vacancy section shape pattern and be overlapped contraposition, but only that the first vacancy section is made to be completely covered on the periphery of second vacancy section, so that design is simplified, and contraposition is more easier, consistency is good, production efficiency can be greatly improved, while can guarantee the excellent performance of product, is suitable for batch production.
Description
Technical field
The utility model relates to a kind of filters, more particularly to a kind of dielectric waveguide filter.
Background technique
The coupled structure of dielectric waveguide filter is generally divided into two kinds: two resonance in same ceramic dielectric block
Coupled structure between the coupled structure of device, with adjacent two pieces of Medium Wave Guide resonators.Wherein, for adjacent two pieces of Medium Wave Guides
Coupled structure between resonator, the signal transmission of coupled structure are usually the form using air gap.The shape of air gap
Formula is varied, such as round, rectangle, irregular figure etc..In order to guarantee the intensity of signal transmission, two pieces of Medium Wave Guide resonance
Shape, size and the position of air gap on device be it is one-to-one, due to the mismachining tolerance of ceramic medium material, two pieces
Contraposition difficulty between dielectric resonator is higher, is not suitable for batch production.
Summary of the invention
Based on this, it is necessary to overcome the deficiencies of existing technologies, provide a kind of dielectric waveguide filter, it can reduce contraposition
Difficulty is suitable for producing in batches.
Its technical solution is as follows: a kind of dielectric waveguide filter, comprising: the first dielectric block, first insulation are situated between
The first metal layer is equipped on the outer surface of mass, the first metal layer is equipped with the first vacancy section, and the first metal layer covers
It covers and corresponds to described remaining region of first vacancy section in the first dielectric block outer surface；With the second dielectric block, institute
It states and is equipped with second metal layer on the outer surface of the second dielectric block, the second metal layer is equipped with the second vacancy section, described
Second metal layer is covered on the second dielectric block outer surface and corresponds to described remaining region of second vacancy section；Described first
Dielectric block is together with the second dielectric block stacked combination, first hollow out of the first dielectric block
Side is in contact with side where second vacancy section of second collets where area, and first vacancy section is complete
It is covered on the periphery of second vacancy section, so that the first metal layer of the first dielectric block and second insulation are situated between
Air gap is formed at vacancy section between the second metal layer of mass.
Above-mentioned dielectric waveguide filter is not needed relative to traditional dielectric waveguide filter so that the first vacancy section
Shape pattern is identical safely as the second vacancy section shape pattern and is overlapped contraposition, but only that covering the first vacancy section completely
The periphery in second vacancy section is covered, so that design is simplified, and contraposition is more easier, and consistency is good,
Production efficiency can be greatly improved, while can guarantee the excellent performance of product, is suitable for batch production.
The size of first vacancy section, the size of second vacancy section in one of the embodiments,
It is able to carry out adjusting.
First vacancy section is circle, rectangle, ellipse rectangular or star in one of the embodiments,；Described second engraves
Dead zone is circle, rectangle, ellipse rectangular or star.
The center of the center of first vacancy section and second vacancy section in one of the embodiments,
It is identical.
In one of the embodiments, between the boundary of first vacancy section and the boundary of second vacancy section between
Away from 0.5mm to 1mm.
The first metal layer is plating on the outer surface of the first dielectric block in one of the embodiments,
Electroplated layer；The second metal layer is electroplated layer of the plating on the outer surface of the second dielectric block；Described first
Metal layer, the second metal layer are Gold plated Layer, silver coating or copper plate.
First vacancy section is two or more in one of the embodiments, and second vacancy section is two or more,
First vacancy section to second vacancy section is corresponding one by one is arranged.
The first dielectric block is equipped with first through hole, the second dielectric block in one of the embodiments,
Equipped with the second through-hole.
The dielectric waveguide filter further includes the first radio frequency connector and the second radio frequency in one of the embodiments,
Connector, first radio frequency connector and second radio frequency connector are arranged in the two of the first dielectric block
End.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dielectric waveguide filter described in an embodiment of the present invention；
Fig. 2 is the decomposition diagram of dielectric waveguide filter described in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of dielectric waveguide filter described in another embodiment of the utility model；
Fig. 4 is the response curve of dielectric waveguide filter in Fig. 3.
Appended drawing reference:
10, the first dielectric block, 11, the first metal layer, the 12, first vacancy section, the 20, second dielectric block, 21,
Two metal layers, the 22, second vacancy section, the 30, first coupling window, the 40, second coupling window, the 50, first radio frequency connector, 60,
Second radio frequency connector, 100, resonator.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include at least one of the features.In the description of the present invention,
The meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
In the description of the present invention, it should be understood that when an element is considered as " connection " another element,
It can be directly to another element or may be simultaneously present intermediary element.On the contrary, when element be referred to as " direct " and
When another element connects, intermediary element is not present.
In one embodiment, Fig. 1 and Fig. 2, a kind of dielectric waveguide filter are please referred to, comprising: the first dielectric block
10 and the second dielectric block 20.It is equipped with the first metal layer 11 on the outer surface of the first dielectric block 10, described
One metal layer 11 is equipped with the first vacancy section 12, and the first metal layer 11 is covered on 10 outer surface pair of the first dielectric block
Answer described remaining region of first vacancy section 12.Second metal layer is equipped on the outer surface of the second dielectric block 20
21, the second metal layer 21 is equipped with the second vacancy section 22, and the second metal layer 21 is covered on the second dielectric block
20 outer surfaces correspond to described remaining region of second vacancy section 22.The first dielectric block 10 and second dielectric
Together, first vacancy section, the 12 place side of the first dielectric block 10 is exhausted with described second for 20 stacked combination of block
Second vacancy section, the 22 place side of edge block is in contact.And first vacancy section 12 is completely covered on second hollow out
The periphery in area 22, so that the second of the first metal layer 11 of the first dielectric block 10 and the second dielectric block 20
Air gap is formed at vacancy section between metal layer 21.
Above-mentioned dielectric waveguide filter is not needed relative to traditional dielectric waveguide filter so that the first vacancy section
12 shape patterns are identical safely as 22 shape pattern of the second vacancy section and are overlapped contraposition, but only that making the first vacancy section 12
It is completely covered on the periphery of second vacancy section 22, so that design is simplified, and contraposition is more easier, one
Cause property is good, can greatly improve production efficiency, while can guarantee the excellent performance of product, is suitable for batch production.
In one embodiment, the size of first vacancy section 12, the size of second vacancy section 22
It is able to carry out adjusting.It so, it is possible to adjust the intensity for transmitting energy.Specifically, the first metal layer 11 is plating described
Electroplated layer on the outer surface of first dielectric block 10；The second metal layer 21 is plating in the second dielectric block
Electroplated layer on 20 outer surface；The first metal layer 11, the second metal layer 21 are Gold plated Layer, silver coating or copper facing
Layer.In this way, plating forms the first metal layer 11 directly on 10 outer surface of the first dielectric block, directly in the second dielectric
Plating forms second metal layer 21 on 20 outer surface of block, and convenient for production, working efficiency is higher.Wherein, the first dielectric block 10
Outer surface when being electroplated, the position of the first vacancy section 12 is outer without plating or the first dielectric block 10
Surface is all electroplated, and the electroplated layer of 12 position of the first vacancy section is polished or wiped off.The formation side of second vacancy section 22
Formula is similar with the first vacancy section 12, without repeating.
In one embodiment, first vacancy section 12, second vacancy section 22 shape be not limited, can be with
Arbitrary shape, it is only necessary to be satisfied with the periphery that the first vacancy section 12 is completely covered on the second vacancy section 22, such as shape can
To be circle, rectangle, ellipse rectangular or star.
Further, the center of first vacancy section 12 is identical as the center of second vacancy section 22.
It so, it is possible to guarantee the preferable laser propagation effect of signal, be conducive to the intensity transmission for improving signal.
In one embodiment, between the boundary of first vacancy section 12 and the boundary of second vacancy section 22
Away from 0.5mm to 1mm.The mode that so, it is possible to be formed " big aperture " carries out signal transmission.
In another embodiment, first vacancy section 12, second vacancy section 22 are circle, and described first engraves
The diameter of dead zone 12 is 0.5mm bigger than the diameter of second vacancy section 22 to 1mm.It so, it is possible to be formed the mode of " big aperture "
Carry out signal transmission.
In one embodiment, first vacancy section 12 is two or more, and second vacancy section 22 is two or more,
The corresponding setting one by one of first vacancy section 12 and second vacancy section 22.In this way, can have a pair with a pair of resonator 100
First vacancy section 12 and the second vacancy section 22 are formed by coupled structure, can also there is two pairs or more the first vacancy sections 12 and second
Vacancy section 22 is formed by more than two coupled structures.
In one embodiment, also referring to Fig. 3, the first dielectric block 10 is equipped with first through hole, and described the
Two dielectric blocks 20 are equipped with the second through-hole, and the first through hole and second through-hole are first to couple window 30.In this way,
First dielectric block 10, the second dielectric block 20 are in the part of the wherein side of the first coupling window 30 and its gold on surface
Belong to layer and be equivalent to a pair of of resonator 100, the first dielectric block 10, the second dielectric block 20 are another the first coupling window 30
The part of side and its metal layer on surface form the first resonator 100 and are equivalent to another pair resonator 100.
Further, the first dielectric block 10 is equipped with third through-hole, and the second dielectric block 20 is equipped with four-way
Hole, the third through-hole and the fourth hole are second to couple window 40.In this way, the first dielectric block 10, second is absolutely
Edge medium block 20 is equivalent to a pair of of resonator in the part of wherein side of the first coupling window 30 and its metal layer on surface
100；First dielectric block 10, the second dielectric block 20 couple window 40 with second in the other side of the first coupling window 30
Between part and its metal layer on surface be equivalent to another pair resonator 100；First dielectric block 10, the second dielectric
Block 20 is equivalent to another to resonator 100 in the part of the other side of the second coupling window 40 and its metal layer on surface.It is each pair of
Can be equipped on first dielectric block 10, the second dielectric block 20 corresponding to resonator 100 first vacancy section 12 with
Second vacancy section 22.
Referring again to Fig. 3 and Fig. 4, in one embodiment, the dielectric waveguide filter further includes that the first radio frequency connects
Connect device 50 and the second radio frequency connector 60.First radio frequency connector 50 is arranged in second radio frequency connector 60
The both ends of the first dielectric block 10.It transmits signal to input by the first radio frequency connector 50, by dielectric filter coupling
After closing filtering, is exported by the second radio frequency connector 60, response curve as shown in Figure 4 can be obtained.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of dielectric waveguide filter characterized by comprising
First dielectric block is equipped with the first metal layer, first metal on the outer surface of the first dielectric block
Layer is equipped with the first vacancy section, and the first metal layer is covered on the first dielectric block outer surface and corresponds to first hollow out
Remaining region of area；With
Second dielectric block is equipped with second metal layer, second metal on the outer surface of the second dielectric block
Layer is equipped with the second vacancy section, and the second metal layer is covered on the second dielectric block outer surface and corresponds to second hollow out
Remaining region of area；
The first dielectric block together with the second dielectric block stacked combination, the first dielectric block
Side where first vacancy section is in contact with second vacancy section of second collets place side, and described the
One vacancy section is completely covered on the periphery of second vacancy section, so that the first metal layer of the first dielectric block and institute
State formation air gap at the vacancy section between the second metal layer of the second dielectric block.
2. dielectric waveguide filter according to claim 1, which is characterized in that the size of first vacancy section,
The size of second vacancy section can be adjusted.
3. dielectric waveguide filter according to claim 1, which is characterized in that first vacancy section is round, square
Shape, ellipse rectangular or star；Second vacancy section is circle, rectangle, ellipse rectangular or star.
4. dielectric waveguide filter according to claim 3, which is characterized in that the center of first vacancy section with
The center of second vacancy section is identical.
5. dielectric waveguide filter according to claim 1, which is characterized in that the boundary of first vacancy section with it is described
Spacing 0.5mm to 1mm between the boundary of second vacancy section.
6. dielectric waveguide filter according to claim 1, which is characterized in that the first metal layer is plating described
Electroplated layer on the outer surface of first dielectric block；The second metal layer is plating in the outer of the second dielectric block
Electroplated layer on surface；The first metal layer, the second metal layer are Gold plated Layer, silver coating or copper plate.
7. dielectric waveguide filter according to claim 1, which is characterized in that first vacancy section is two or more,
Second vacancy section is two or more, first vacancy section to second vacancy section is corresponding one by one is arranged.
8. dielectric waveguide filter according to claim 1, which is characterized in that the first dielectric block is equipped with first
Through-hole, the second dielectric block are equipped with the second through-hole.
9. according to claim 1 to dielectric waveguide filter described in 8 any one, which is characterized in that further include the first radio frequency
Connector and the second radio frequency connector, first radio frequency connector and second radio frequency connector are arranged in described the
The both ends of one dielectric block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354514.7U CN208622904U (en) | 2018-08-22 | 2018-08-22 | Dielectric waveguide filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354514.7U CN208622904U (en) | 2018-08-22 | 2018-08-22 | Dielectric waveguide filter |
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| Publication Number | Publication Date |
|---|---|
| CN208622904U true CN208622904U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821354514.7U Active CN208622904U (en) | 2018-08-22 | 2018-08-22 | Dielectric waveguide filter |
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| CN (1) | CN208622904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867631A (en) * | 2019-12-04 | 2020-03-06 | 成都泰格微波技术股份有限公司 | All-dielectric waveguide filter convenient for adjusting coupling amount |
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2018
- 2018-08-22 CN CN201821354514.7U patent/CN208622904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867631A (en) * | 2019-12-04 | 2020-03-06 | 成都泰格微波技术股份有限公司 | All-dielectric waveguide filter convenient for adjusting coupling amount |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200113 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
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| TR01 | Transfer of patent right |