CN209357897U - A kind of tuned cell and filter - Google Patents
A kind of tuned cell and filter Download PDFInfo
- Publication number
- CN209357897U CN209357897U CN201920267614.4U CN201920267614U CN209357897U CN 209357897 U CN209357897 U CN 209357897U CN 201920267614 U CN201920267614 U CN 201920267614U CN 209357897 U CN209357897 U CN 209357897U
- Authority
- CN
- China
- Prior art keywords
- tuning
- cover board
- tuned cell
- tuning structure
- resonant rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model provides a kind of tuned cell and filter, filter includes multiple tuned cells, wherein, tuned cell includes: resonant cavity, resonant rod and tuning cover board, resonant cavity has resonance space, resonant rod is arranged in resonance space, it tunes cover plate lid and closes the opening in resonance space to be enclosed resonant cavity, tuning has interval between the bottom surface and resonant rod of cover board, tune cover board is equipped with tuning structure with resonant rod corresponding position, tuning structure can generate displacement when by external force, to change the bottom surface of the corresponding tuning cover board of tuning structure the distance between to resonance rod end surface.Applying external force to tuning structure can be such that the distance between bottom surface and the resonant rod of the corresponding tuning cover board of adjustment structure changes, to change capacitor, achieve the purpose that adjust frequency, tuning structure only generates movement at tuning cover board, it occupies little space in vertical direction, to more efficiently utilize the depth of resonant cavity, properties of product are promoted.
Description
Technical field
The utility model belongs to wireless communication technology field more particularly to a kind of tuned cell and filter.
Background technique
With the rapid development of wireless communication technique, market is more tight to the performance and volume requirement of communication base station equipment
Lattice should be not take up too large space, and performance is excellent again.
For the product of space very little, if using traditional metal coaxial cavity filter, since metal is coaxial
Cavity body filter is to adjust frequency by common screw, and screw rod can be extend into filter cavity body, so that available resonant cavity
Depth reduce, influence the performance of product.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of tuned cell and filters, it is intended to maximumlly
Using the depth of resonant cavity, properties of product are promoted.
In order to solve the above technical problems, the utility model is realized in this way, a kind of tuned cell, comprising: resonant cavity,
Resonant rod and tuning cover board, the resonant cavity have resonance space, and the resonant rod is arranged in the resonance space, described
Tuning cover plate lid closes opening in the resonance space to be enclosed resonant cavity, the bottom surface of the tuning cover board and described humorous
There is interval, the tuning cover board is equipped with tuning structure with the resonant rod corresponding position, and the tuning is tied between vibration bar
Structure can be corresponding to change the tuning structure in deformation on the direction close to or far from the resonant rod when by external force
The bottom surface of the tuning cover board is the distance between to the resonance rod end surface.
Further, the tuning structure is the thin-slab structure being set on the tuning cover board, the thin-slab structure
Thickness is less than the thickness of the tuning cover board, and the thin-slab structure is able to carry out elastic deformation.
Further, debugging column is provided on the tuning structure, the side of the debugging column opens up fluted, Xiang Suoshu
Debugging column is able to drive the tuning structure when applying pressure or pulling force and generates deformation.
Further, it is integrally formed between the debugging column and the tuning structure.
Further, split type setting between the debugging column and the tuning structure, the debugging column removably connect
It connects on the tuning structure.
Further, it is threadedly coupled between the debugging column and the tuning structure.
Further, it is snapped connection between the debugging column and the tuning structure.
Further, the bottom of the resonance space is provided with lug boss, and the resonant rod is assemblied in the lug boss
End.
Further, a kind of filter is provided, including the tuned cell as above described in any one.
Compared with prior art, beneficial effect is for tuned cell and filter in the utility model:
To tuning structure apply external force can make adjustment structure it is corresponding tuning cover board bottom surface and resonant rod between away from
From change, to change capacitor, achieve the purpose that adjust frequency, tuning structure only generates movement at tuning cover board, vertical
Direction occupies little space, to more efficiently utilize the depth of resonant cavity, promotes properties of product.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of tuned cell in the utility model embodiment.
In the accompanying drawings, each appended drawing reference indicates: 1, resonant cavity；11, resonance space；12, lug boss；2, resonant rod；3,
Tune cover board；4, tuning structure；5, column is debugged；51, groove.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment:
In the present embodiment, as shown in Figure 1, filter (not shown) includes multiple tuned cells, wherein tuned cell packet
Include: resonant cavity 1, resonant rod 2 and tuning cover board 3, resonant cavity 1 have resonance space 11, and resonant rod 2 is arranged in resonance space
In 11, the tuning lid of cover board 3 closes the opening in resonance space 11 to be enclosed resonant cavity, tunes bottom surface and the resonance of cover board 3
There is interval, tuning cover board 3 is equipped with tuning structure 4 with 2 corresponding position of resonant rod, and tuning structure 4 is by outer between bar 2
Displacement can be generated when power, on the direction close to or far from resonant rod 2 to change the corresponding tuning cover board 3 of tuning structure 4
Bottom surface is the distance between to 2 end face of resonant rod.
Applying external force to tuning structure 4 can make between the bottom surface and resonant rod 2 of the corresponding tuning cover board 3 of adjustment structure
Distance changes, to change capacitor, achievees the purpose that adjust frequency, and tuning structure 4 only generates movement at tuning cover board 3,
Vertical direction occupies little space, to more efficiently utilize the depth of resonant cavity, promotes properties of product.
Tuning structure 4 is the thin-slab structure being set on tuning cover board 3, and the thickness of thin-slab structure is less than tuning cover board 3
Thickness, thin-slab structure can generate plastic deformation.In the present embodiment, thin-slab structure is integrated with tuning cover board 3, thin-slab structure
Upper face lower than the upper face of tuning cover board 3, the lower face of thin-slab structure is concordant with the lower face of cover board 3 is tuned；At other
In embodiment, thin-slab structure can be set to upper face of its upper face lower than tuning cover board 3, and its lower face is higher than tuning lid
The lower face of plate 3, it may be assumed that be recess for the plate face of tuning cover board 3 at thin-slab structure；In other embodiments, thin
Hardened structure may be arranged as its upper face with tuning the upper face of cover board 3 it is concordant, lower face be higher than tuning cover board 3 lower plate
Face.
For the ease of the adjusting of tuning structure 4, debugging column 5 is provided on tuning structure 4, the side of debugging column 5 offers
Groove 51 is able to drive tuning structure 4 when applying pressure or pulling force to debugging column 5 and generates deformation.Groove 51 can be around debugging
The continuous circular shape groove that column 5 opens up, is also possible to the spacing convave trough opened up around debugging column 5, and the setting of groove 51 is easy for recruitment
Dress or mechanical clamping, so that tuning structure 4 be made to generate deformation, tuning structure 4 are adjusted with giving pulling force or pressure to tuning structure 4
The part for protruding from tuning 3 plate face of cover board for debugging column 5 is cut off after saving position appropriate, to make the end for debugging column 5
It is concordant with the tuning plate face of cover board 3, space can be saved, what it is due to the generation of tuning structure 4 is plastic deformation, and debugging is completed
It can guarantee the stabilization of frequency afterwards.
In the present embodiment, it debugs and is integrally formed between column 5 and tuning structure 4, connected more stable.In other embodiments
In, split type setting between column 5 and tuning structure 4 is debugged, debugging column 5 is detachably connected on tuning structure 4；For example, adjusting
It is threadedly coupled between examination column 5 and tuning structure 4, specifically, can open up threaded hole on tuning structure 4, one end of debugging column 5 can
Corresponding screw thread is arranged, debugging column 5 and threaded hole are screwed togather can be with 4 stable connection of tuning structure；It debugs column 5 and tuning is tied
It can also be snapped connection between structure 4, for example hook is set on tuning structure 4, card convex, hook are set in one end of debugging column 5
It can make to debug stable connection between column 5 and tuning structure 4 with card convex buckle.Certainly, it debugs between column 5 and tuning structure 4
It can be using modes such as welding, bondings, as long as can make to debug after column 5 is connect with tuning structure 4 can transmit pulling force or pressure
Mode, this is not restricted.
The bottom of resonance space 11 is provided with lug boss 12, and resonant rod 2 is assemblied in the end of lug boss 12.In the present embodiment
Example in, the top surface of resonant rod 2 is a plane, and the middle part of resonant rod 2 has hollow structure, but this is only to illustrate, humorous
The middle part of vibration bar 2 can also be without central hole structure and the top surface of resonant rod 2 is a plane.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of tuned cell characterized by comprising resonant cavity (1), resonant rod (2) and tuning cover board (3), it is described humorous
Cavity (1) is shaken with resonance space (11), and resonant rod (2) setting is in the resonance space (11), the tuning cover board
(3) lid closes opening in the resonance space (11) to be enclosed resonant cavity, the bottom surface of tuning cover board (3) and described
There is interval, tuning cover board (3) is equipped with tuning structure with the resonant rod (2) corresponding position between resonant rod (2)
(4), the tuning structure (4) can generate displacement when by external force on the direction close to or far from the resonant rod (2),
With change the bottom surface of corresponding tuning cover board (3) of the tuning structure (4) between the resonant rod (2) end face away from
From.
2. tuned cell according to claim 1, which is characterized in that the tuning structure (4) is to be set to the tuning
Thin-slab structure on cover board (3), the thickness of the thin-slab structure are less than the thickness of tuning cover board (3), the thin-slab structure
Plastic deformation can be generated.
3. tuned cell according to claim 2, which is characterized in that be provided with debugging column on the tuning structure (4)
(5), the side of debugging column (5) opens up fluted (51), is able to drive when applying pressure or pulling force to the debugging column (5)
The tuning structure (4) generates deformation.
4. tuned cell according to claim 3, which is characterized in that the debugging column (5) and the tuning structure (4) it
Between be integrally formed.
5. tuned cell according to claim 3, which is characterized in that the debugging column (5) and the tuning structure (4) it
Between split type setting, the debugging column (5) is detachably connected on the tuning structure (4).
6. tuned cell according to claim 5, which is characterized in that the debugging column (5) and the tuning structure (4) it
Between be threadedly coupled.
7. tuned cell according to claim 5, which is characterized in that the debugging column (5) and the tuning structure (4) it
Between snap connection.
8. tuned cell according to claim 1, which is characterized in that the bottom of the resonance space (11) is provided with protrusion
Portion (12), the resonant rod (2) are assemblied in the end of the lug boss (12).
9. a kind of filter, which is characterized in that including the tuned cell as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267614.4U CN209357897U (en) | 2019-03-01 | 2019-03-01 | A kind of tuned cell and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267614.4U CN209357897U (en) | 2019-03-01 | 2019-03-01 | A kind of tuned cell and filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209357897U true CN209357897U (en) | 2019-09-06 |
Family
ID=67803888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920267614.4U Active CN209357897U (en) | 2019-03-01 | 2019-03-01 | A kind of tuned cell and filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209357897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273032A1 (en) * | 2021-06-29 | 2023-01-05 | 大富科技(安徽)股份有限公司 | Resonator, filter, duplexer, multiplexer, and communication device |
-
2019
- 2019-03-01 CN CN201920267614.4U patent/CN209357897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273032A1 (en) * | 2021-06-29 | 2023-01-05 | 大富科技(安徽)股份有限公司 | Resonator, filter, duplexer, multiplexer, and communication device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209357897U (en) | A kind of tuned cell and filter | |
| CN201421872Y (en) | Hollow cavity filter | |
| CN208143189U (en) | A kind of filter frequencies tuning structure | |
| CN207353438U (en) | Electromagnetism hybrid coupled cavity body filter | |
| CN108649303A (en) | A kind of capacitive coupling interaction structure and cavity body filter | |
| CN108616262A (en) | A kind of filter frequencies tuning structure | |
| CN107275729A (en) | The assembly method of resonator, wave filter and resonator | |
| CN101834334B (en) | Coupling port of coaxial cavity filter | |
| CN205921059U (en) | Cavity filter who contains adjustable capacitance coupling structure | |
| CN207781853U (en) | Adjustable winged rod structure and filter | |
| CN202679595U (en) | Electroacoustic conversion device | |
| CN208638528U (en) | Loudspeaker enclosure | |
| CN208820037U (en) | A kind of filter and communication equipment | |
| CN107251314B (en) | Cavity filter, radio frequency remote equipment with cavity filter, signal receiving and transmitting device and tower top amplifier | |
| CN208062224U (en) | A kind of C-band electricity tune cavity body filter | |
| CN106549202A (en) | A kind of resonator and cavity body filter | |
| CN207968926U (en) | Loudspeaker enclosure | |
| CN106169638B (en) | A kind of filter and its coupled structure | |
| CN208298985U (en) | A kind of capacitive coupling interaction structure and cavity body filter | |
| CN201966310U (en) | Coaxial cavity filter capable of adjusting far-end harmonic waves | |
| CN208820034U (en) | A kind of filter cover board tuning screw self-locking structure | |
| CN203386895U (en) | Multi-frequency band mobile phone antenna based on metal ring | |
| CN202839912U (en) | Filter coupling structure | |
| CN202073893U (en) | Screw for fixing resonant pole, chamber wave filter and communication equipment | |
| CN217956094U (en) | Filter and communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |