CN207409636U - High loading capacitance cavity band-pass filter - Google Patents
High loading capacitance cavity band-pass filter Download PDFInfo
- Publication number
- CN207409636U CN207409636U CN201721009706.XU CN201721009706U CN207409636U CN 207409636 U CN207409636 U CN 207409636U CN 201721009706 U CN201721009706 U CN 201721009706U CN 207409636 U CN207409636 U CN 207409636U
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- China
- Prior art keywords
- framework
- upper layer
- cover plate
- wave filter
- resonant rod
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Abstract
A kind of high loading capacitance cavity band-pass filter,Including cover plate of upper layer (1),Hollow frame (2) and lower floor's cover board (3),The upper and lower ends of framework (2) can detachably be installed with cover plate of upper layer (1) and lower floor's cover board (3),Multiple resonant rods (4) are provided with inside framework (2) evenly and at intervals and the both ends of resonant rod (4) and framework (2) integrally connected,Multiple coupling columns (5) are installed evenly and at intervals on cover plate of upper layer (1),In gap between the gap that can be inserted respectively into when cover plate of upper layer (1) and framework (2) lid close between resonant rod (4) and resonant rod (4) and framework (2),Resonance hole (6) is both provided on each resonant rod (4),The tuning column (7) with resonance hole (6) equivalent amount is additionally provided on cover plate of upper layer (1),Tuning column (7) the corresponding depth in resonance hole (6) and being inserted into that is inserted into can be adjusted when cover plate of upper layer (1) is covered with framework (2) and closed.
Description
Technical field
The utility model is related to art of microwave filters field, more particularly to a kind of high loading capacitance cavity bandpass filtering
Device.
Background technology
With the development of wireless communication technique, electronic countermeasure technology, the performance of new microwave component is proposed higher
It is required that.Cavity band-pass filter has also obtained the extensive concern of researcher in recent years as a kind of important element.Chamber at present
The resonant frequency of fluid filter is determined by the size of loading capacitance value, and the size of loading capacitance value is then with adjusting by resonant rod
Contact area and length between humorous screw determine.In order to comply with the integrated development of component, meeting the feelings of application
The size requirement of component is less and less under condition.Especially for high loading capacitance, in the case where filter size reduces, in order to
The contact area of tuning screw and resonant rod must just be increased by increasing loading capacitance value.Since current tuning screw is from filtering
The insertion installation of device cavity side is contacted with resonant rod, and the adjustable extent of the contact area of tuning screw and resonant rod is very small, leads
The debugging difficulty for causing high loading capacitance wave filter is very big.
Utility model content
In view of this, the utility model is directed to a kind of high loading capacitance cavity band-pass filter, to solve existing skill
The defects of frequency-tuning range is small in art.
In order to achieve the above objectives, the utility model discloses a kind of high loading capacitances with wider frequency tuning range
Cavity band-pass filter, the wave filter include cover plate of upper layer, hollow frame and lower floor's cover board, the upper and lower ends energy of the framework
It is enough detachably to be installed with the cover plate of upper layer and lower floor's cover board respectively, multiple resonance are provided with inside the framework evenly and at intervals
Bar, and the both ends of the resonant rod and framework integrally connected are equipped with multiple couplings on the cover plate of upper layer evenly and at intervals
Column, the multiple coupling column can be inserted respectively into when cover plate of upper layer and the framework lid close gap between resonant rod and
In gap between resonant rod and framework, resonance hole is both provided on each resonant rod, be additionally provided on the cover plate of upper layer with
The tuning column of resonance hole equivalent amount, the tuning column corresponding when the cover plate of upper layer is closed with framework lid can be inserted into
In the resonance hole and the depth of insertion is adjusted.
Further, the resonance hole is through hole.
Further, the multiple coupling column is coupled capacitor.
Further, the tuning column is tuning screw.
Further, the maximal regulated depth of the tuning column is the depth in resonance hole.
Further, the long side of the framework is the side vertical with the resonant rod.
Further, the long edge lengths of the framework are 1-2 times of adjacent side length.
Further, the material of the wave filter is aluminium.
High loading capacitance cavity band-pass filter provided by the utility model, tuning column are inserted from wave filter framework cover plate of upper layer
Entering installation, tuning column corresponding can be inserted into when cover plate of upper layer is closed with wave filter framework lid in the resonance hole on resonant rod, and
And the insertion depth in the resonance hole is adjustable, therefore tuning column and the contact area in resonance hole can be changed, so that
Resonant frequency changes.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
The attached drawing for forming the part of the utility model is used for providing further understanding the utility model, the utility model
Exemplary embodiment and its specification for explaining the utility model, do not form the improper restriction to the utility model.
In the accompanying drawings：
Fig. 1 is the structure diagram of high loading capacitance cavity band-pass filter provided by the utility model.
Reference sign
1 cover plate of upper layer, 2 hollow frame
3 lower floor's cover board, 4 resonant rod
5 coupling column, 6 resonance hole
7 tuning columns
Specific embodiment
It should be noted that in the case where there is no conflict, the spy in embodiment and embodiment in the utility model
Sign can be mutually combined.
As shown in Figure 1, the utility model provides a kind of high loading capacitance cavity band-pass filter, which includes upper
Layer cover board 1, hollow frame 2 and lower floor's cover board 3, the upper and lower ends of the framework 2 can respectively with the cover plate of upper layer 1 and under
Layer cover board 3 is detachably installed, and is provided with multiple resonant rods 4 inside the framework 2 evenly and at intervals, and the resonant rod 4
Both ends and 2 integrally connected of framework are equipped with multiple coupling columns 5, the multiple coupling column on the cover plate of upper layer 1 evenly and at intervals
5 can cover the gap that be inserted respectively into during conjunction between resonant rod 4 and resonant rod 4 and framework in cover plate of upper layer 1 and the framework 2
In gap between 2, resonance hole 6 is both provided on each resonant rod 4, is additionally provided on the cover plate of upper layer 1 and the resonance
The tuning column 7 of 6 equivalent amount of hole, the tuning column 7 corresponding when the cover plate of upper layer 1 is covered with framework 2 and closed can be inserted into institute
It states in resonance hole 6 and the depth of insertion is adjusted.
Under preferable case, the resonance hole 6 is through hole, and resonance hole 6 is both provided on each resonant rod 4.
According to a kind of embodiment, the coupling column 5 is coupled capacitor, and coupled capacitor quantity is according to the needs of practical operation
It is configured, the utility model is not limited thereof.
According to a kind of embodiment, the tuning column 7 is tuning screw, the tuning quantity of column 7 and 6 phase of resonance hole
Together, each tuning column 7 is inserted into corresponding resonance hole 6.
In order to ensure most wide frequency tuning range, under preferable case, the maximal regulated depth of the tuning column 7 is resonance
The depth in hole 6.
Under preferable case, the long side of the framework 2 is the side vertical with the resonant rod 4.
Under preferable case, the long edge lengths of the framework 2 are 1-2 times of adjacent side length.According to a kind of embodiment, it is described
The long edge lengths of framework 2 are 1.6 times of adjacent side length.
Under preferable case, the material of the wave filter is aluminium.
High loading capacitance cavity band-pass filter provided by the utility model, tuning column are inserted from wave filter framework cover plate of upper layer
Entering installation, tuning column corresponding can be inserted into when cover plate of upper layer is closed with wave filter framework lid in the resonance hole on resonant rod, and
And the insertion depth in the resonance hole is adjustable, therefore tuning column and the contact area in resonance hole can be changed, so that
Resonant frequency changes.
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment, can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
It in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.It in addition, can also be between a variety of embodiments of the utility model
Row any combination, as long as it should equally be considered as content disclosed in the utility model without prejudice to the thought of the utility model.
Claims (8)
1. a kind of high loading capacitance cavity band-pass filter, which is characterized in that the wave filter includes cover plate of upper layer (1), middle empty frames
Body (2) and lower floor's cover board (3), the upper and lower ends of the framework (2) can respectively with the cover plate of upper layer (1) and lower floor's cover board
(3) detachable installation, the framework (2) is internal to be provided with multiple resonant rods (4), and the resonant rod (4) evenly and at intervals
Both ends and framework (2) integrally connected, multiple coupling columns (5) are installed evenly and at intervals on the cover plate of upper layer (1), it is described more
A coupling column (5) can be inserted respectively into the gap between resonant rod (4) when cover plate of upper layer (1) and the framework (2) lid close
And in the gap between resonant rod (4) and framework (2), resonance hole (6), the upper strata are both provided on each resonant rod (4)
The tuning column (7) with resonance hole (6) equivalent amount is additionally provided on cover board (1), the tuning column (7) can be on described
Layer cover board (1) covers the corresponding depth in the resonance hole (6) and being inserted into that is inserted into when closing with framework (2) and is adjusted.
2. wave filter according to claim 1, which is characterized in that the resonance hole (6) is through hole.
3. wave filter according to claim 1, which is characterized in that the multiple coupling column (5) is coupled capacitor.
4. wave filter according to claim 1, which is characterized in that the tuning column (7) is tuning screw.
5. wave filter according to claim 1, which is characterized in that the maximal regulated depth of the tuning column (7) is described
The depth in resonance hole (6).
6. wave filter according to claim 1, which is characterized in that the long side of the framework (2) be and the resonant rod (4)
Vertical side.
7. wave filter according to claim 6, which is characterized in that the long edge lengths of the framework (2) are adjacent side length
1-2 times.
8. wave filter according to claim 1, which is characterized in that the material of the wave filter is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721009706.XU CN207409636U (en) | 2017-08-14 | 2017-08-14 | High loading capacitance cavity band-pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721009706.XU CN207409636U (en) | 2017-08-14 | 2017-08-14 | High loading capacitance cavity band-pass filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207409636U true CN207409636U (en) | 2018-05-25 |
Family
ID=62322999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721009706.XU Active CN207409636U (en) | 2017-08-14 | 2017-08-14 | High loading capacitance cavity band-pass filter |
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| Country | Link |
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| CN (1) | CN207409636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509947A (en) * | 2018-12-05 | 2019-03-22 | 广东通宇通讯股份有限公司 | A kind of contact pin linking cavity body filter |
| CN110677135A (en) * | 2019-10-28 | 2020-01-10 | 北京联恒众达科技中心(有限合伙) | Multichannel isolation filter box structure convenient to maintain and debug |
-
2017
- 2017-08-14 CN CN201721009706.XU patent/CN207409636U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509947A (en) * | 2018-12-05 | 2019-03-22 | 广东通宇通讯股份有限公司 | A kind of contact pin linking cavity body filter |
| CN109509947B (en) * | 2018-12-05 | 2024-01-05 | 广东通宇通讯股份有限公司 | Pin connection type cavity filter |
| CN110677135A (en) * | 2019-10-28 | 2020-01-10 | 北京联恒众达科技中心(有限合伙) | Multichannel isolation filter box structure convenient to maintain and debug |
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