CN202103147U - Coupling device for port of wave filter - Google Patents
Coupling device for port of wave filter Download PDFInfo
- Publication number
- CN202103147U CN202103147U CN 201120182753 CN201120182753U CN202103147U CN 202103147 U CN202103147 U CN 202103147U CN 201120182753 CN201120182753 CN 201120182753 CN 201120182753 U CN201120182753 U CN 201120182753U CN 202103147 U CN202103147 U CN 202103147U
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- male part
- coupling device
- resonance
- connector
- port coupling
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- 230000008878 coupling Effects 0.000 title claims abstract description 60
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 60
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- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
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- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a coupling device for a port of a wave filter. The coupling device is provided with a resonant cavity, a resonant cover and a connector, wherein a main resonant component is arranged in the resonant cavity, the connector is arranged on the resonant cover in a penetrating way, a first coupler is arranged at the bottom of the connector, a second coupler is arranged at the bottom of the resonant cavity, and the first coupler and the second coupler are connected in the resonant cavity in a coupling way. Furthermore, an assistant resonant component is arranged between the second coupler and the main resonant component, and a second tuning component corresponding to the assistant resonant component is arranged on the resonant cover. In this way, the coupling device can meet the requirements for strong port coupling quantity and standard coupling quantity, and perform adjustments when the coupling quantities in mass productions are not uniform; and the coupling device has stronger reliability, and is more convenient to install.
Description
Technical field
The utility model relates to the port coupling technique of filter, relates in particular to a kind of filter port coupling device.
Background technology
In decades in the past, the wireless mobile telecommunication technology develop rapidly.Wherein, radio-frequency module has irreplaceable position in wireless communication technology, has widely to use, and filter then plays an important role in radio-frequency module, and the coaxial cavity filter designing technique is more and more ripe.The port coupling amount of conventional filter can't realize adjustable after assembling, can not realize the port bandwidth of broad.But for the very wide filter of passband (bandwidth surpasses 100MHz), particularly mixer, need bigger port bandwidth usually, conventional filter coupled mode just is difficult to satisfy the demands.
See also Fig. 1, the port coupling of conventional filter realizes through resonance post in the resonant cavity 10 20 and connector 30 tail end taps are weldingly connected with metal wire 40, referring to pad 50.For the requirement of different coupling amount, conventional method is to realize through adjustment metal wire 40 shapes, thickness or welding and assembling height.But it is not enough below this regulative mode exists: 1) need be than the filter of close coupling amount for the bigger port of pass band width; Implementation can only be used the sheet metal sheet and raise metal wire or the height of sheet through adding coarse metal wire, and this mode is limited to inside cavity; The structure limitation is bigger; Metal wire excessively slightly is unfavorable for bending and molding, raises metal wire and can not satisfy required coupling amount usually, is difficult to guarantee consistency because sheet metal is thin yielding when realizing with sheet metal; 2) solder joint can have a negative impact to the intermodulation of product; 3) possibly there is rosin joint in solder joint, equivalent risk comes off; 4), go out the structure on tuning cover plate so can't realize joint location because of it need weld in the chamber.
Can know that to sum up existing filter coupled port device obviously exists inconvenience and defective, so be necessary to improve on reality is used.
The utility model content
To above-mentioned defective, the purpose of the utility model is to provide a kind of filter port coupling device, and it can satisfy the requirement of strong port coupling amount and conventional coupling amount simultaneously, and reliability is high, easy for installation.
To achieve these goals, the utility model provides a kind of filter port coupling device, has resonant cavity, resonance lid and connector; Has a main resonance part in the said resonant cavity; It is characterized in that said connector runs through and is arranged at said resonance lid, and said connector bottom is provided with first male part; Said resonant cavity bottom is provided with second male part, and said first male part and second male part are of coupled connections in said resonant cavity.
According to the filter port coupling device of the utility model, be provided with auxilliary resonance spare between said second male part and the main resonance part.
According to the filter port coupling device of the utility model, said resonance covers and is provided with second tuning corresponding with said auxilliary resonance spare.
According to the filter port coupling device of the utility model, said second tuning with the coaxial setting of auxilliary resonance spare.
According to the filter port coupling device of the utility model, said connector is fixed in said resonance lid through a fixture.
According to the filter port coupling device of the utility model, said first male part is welded in said connector.
According to the filter port coupling device of the utility model, said first male part is removably connected to said connector.
According to the filter port coupling device of the utility model, the outside sheathed insulation external member of said first male part.
According to the filter port coupling device of the utility model, said second male part is a boss, and said boss is provided with a shrinkage pool, and said first male part is located at said shrinkage pool.
The utility model covers through connector being located at resonance, and in the bottom of connector first male part is set, simultaneously; Be provided with second male part that is connected with first male part in the bottom of resonant cavity; Better, have a main resonance part in the resonant cavity, be provided with auxilliary resonance spare between second male part and the main resonance part; Resonance covers and is provided with second tuning corresponding with auxilliary resonance spare, can finely tune the degree of coupling for second tuning.The coupling amount that the utlity model has is by all kinds of means regulated, and can satisfy the requirement of strong port coupling amount and conventional coupling amount simultaneously, and reliability is high, easy for installation.
Description of drawings
Fig. 1 is the filter port coupling device structural representation of prior art;
Fig. 2 is the filter port coupling device structural representation of the utility model one embodiment;
Fig. 3 is the filter port coupling device structural representation of another embodiment of the utility model;
Fig. 4 is the filter port coupling device structural representation of another embodiment of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Referring to Fig. 2; The utility model provides a kind of filter port coupling device 100, and it has a resonant cavity 10, resonance lid 20 and connector 30, and resonance lid 20 is located at resonant cavity 10 tops; And has a main resonance part 11 in the resonant cavity 10; Resonance lid 20 is provided with first tuning 21 corresponding with main resonance part 11, through to first tuning 21 up-down adjustment, can regulate accordingly the coupling amount of resonant cavity 10 interior signals.
Among one embodiment of the utility model, connector 30 runs through and is arranged at resonance lid 20, and fixing through a fixture 40, and the bottom of connector 30 is provided with first male part 31, and the outer cover of this first male part 31 can be established an insulation external member 311.Corresponding, be provided with second male part, 12, the first male parts 31 and second male part 12 that cooperate with first male part 31 in the resonant cavity 10 and be of coupled connections in resonant cavity 10.Preferably, first male part 31 is rod members, and second male part 12 is boss, is provided with a shrinkage pool between wherein, and first male part 31 is coupled in the shrinkage pool of second male part 12.Need to prove that the length of first male part 31 and 12 couplings of second male part can have influence on the coupling amount of signal, it can be tested according to different demands, selects the rod member of different length.
Better; Be provided with an auxilliary resonance spare 13 between second male part 12 and the main resonance part 11; And resonance lid 20 be provided with corresponding with auxilliary resonance spare 13 second tuning 22, the second tuning 22 with auxilliary resonance spare 13 coaxial settings, make it have good fine setting effect; The coupling amount that second male part 12 and main resonance part are 11 can realize fine setting with auxilliary resonance spare 13 through this second tuning 22.
It is many that the coupling amount of the utility model is regulated channel, and implementation method is simple, can obtain needed various port coupling amount easily, can be applied on the ultra broad passband product.Simultaneously, the utility model simple structure is equipped with certain tolerance (can establish one deck insulation external member 331 between the shrinkage pool of first male part 31 and second male part 12, or use matched in clearance, contactless bad equivalent risk), and easy to assembly, be easy to produce in batches.Better, the overall space of filter can be saved conveniently from the resonance lid 20 in the position of connector 30.
The filter port coupling device 100 concrete assembling processes of the utility model are following: the bottom that first male part 31 is installed on connector 30; This first male part 31 can be welded in connector 30; Also can be connected in connector 30, such as being spirally connected through the mode of removably connecting.The external member that will insulate again 311 pyrocondensations are on first male part 31; Through fixture 40 connector 30 is assemblied on the resonance lid 20, need to prove, connector 30 has multiple with the fixed form of resonance lid 20; Such as; Wall-penetrating type as shown in Figure 2 is fixed, and flange and screw-type as shown in Figure 3 are fixed, and shown in Figure 4 be spirally connected or riveted type fixing etc.The resonance lid 20 that connector 30 is installed is assemblied on the resonant cavity 10, and first male part 31 and second male part 12 are matched, be installed on resonance lid 20 respectively with first tuning 21 and second tuning 22 at last and get final product.
The utility model can pass through to change the length of fit of first male part 31 and second male part 12, and second male part, 12 height can be realized the adjusting on a large scale of coupling amount.Simultaneously, through between second male part 12 and main resonance part 11, increasing auxilliary resonance spare 13 and second tuning 22 accurately adjusting (and adjustable after assembling) among a small circle that realizes the coupling amount, can be applied in whereby on the product of various coupling amounts requirements.Better, the utility model assembles no built-in solder joint in the use, helps improving the intermodulation index of product.
In sum, the utility model covers through connector being located at resonance, and in the bottom of connector first male part is set; Simultaneously, be provided with second male part that is connected with first male part in the bottom of resonant cavity, better; Has a main resonance part in the resonant cavity; Be provided with auxilliary resonance spare between second male part and the main resonance part, resonance covers and is provided with second tuning corresponding with auxilliary resonance spare, can finely tune the degree of coupling for second tuning.The coupling amount that the utlity model has is by all kinds of means regulated, and can satisfy the requirement of strong port coupling amount and conventional coupling amount simultaneously, and reliability is high, easy for installation.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (9)
1. filter port coupling device; Have resonant cavity, resonance lid and connector, have a main resonance part in the said resonant cavity, it is characterized in that; Said connector runs through and is arranged at said resonance lid; And said connector bottom is provided with first male part, and said resonant cavity bottom is provided with second male part, and said first male part and second male part are of coupled connections in said resonant cavity.
2. filter port coupling device according to claim 1 is characterized in that, is provided with auxilliary resonance spare between said second male part and the main resonance part.
3. filter port coupling device according to claim 2 is characterized in that, said resonance covers and is provided with second tuning corresponding with said auxilliary resonance spare.
4. filter port coupling device according to claim 3 is characterized in that, said second tuning with the coaxial setting of auxilliary resonance spare.
5. filter port coupling device according to claim 1 is characterized in that, said connector is fixed in said resonance lid through a fixture.
6. filter port coupling device according to claim 1 is characterized in that said first male part is welded in said connector.
7. filter port coupling device according to claim 1 is characterized in that said first male part is removably connected to said connector.
8. filter port coupling device according to claim 1 is characterized in that, the outside sheathed insulation external member of said first male part.
9. filter port coupling device according to claim 1 is characterized in that said second male part is a boss, and said boss is provided with a shrinkage pool, and said first male part is located at said shrinkage pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120182753 CN202103147U (en) | 2011-06-01 | 2011-06-01 | Coupling device for port of wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120182753 CN202103147U (en) | 2011-06-01 | 2011-06-01 | Coupling device for port of wave filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103147U true CN202103147U (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120182753 Expired - Lifetime CN202103147U (en) | 2011-06-01 | 2011-06-01 | Coupling device for port of wave filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016106672A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Remote radio device, duplexer, filter and tap fixing member |
| CN112599942A (en) * | 2020-11-30 | 2021-04-02 | 湖南迈克森伟电子科技有限公司 | Adjustable strong inductive coupling structure of cavity filter |
-
2011
- 2011-06-01 CN CN 201120182753 patent/CN202103147U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016106672A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Remote radio device, duplexer, filter and tap fixing member |
| CN112599942A (en) * | 2020-11-30 | 2021-04-02 | 湖南迈克森伟电子科技有限公司 | Adjustable strong inductive coupling structure of cavity filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
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| CX01 | Expiry of patent term |