CN205811024U - TM mould dielectric filter - Google Patents
TM mould dielectric filter Download PDFInfo
- Publication number
- CN205811024U CN205811024U CN201620791586.2U CN201620791586U CN205811024U CN 205811024 U CN205811024 U CN 205811024U CN 201620791586 U CN201620791586 U CN 201620791586U CN 205811024 U CN205811024 U CN 205811024U
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- China
- Prior art keywords
- cover plate
- resonator
- cavity
- tuning
- mould
- 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.)
- Expired - Fee Related
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- 239000011148 porous material Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000006071 cream Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Abstract
This utility model provides a kind of TM mould dielectric filter, including: resonator cavity, there is at least one cavity；Tuning cover plate, is assemblied in the upper surface of described resonator cavity, is provided with the through hole run through up and down；At least one dielectric resonator, in cylinder shape, lower surface correspondence is welded in the cavity of described resonator cavity, and upper end offers pore structure；At least one cover plate flange, correspondence is welded in the upper surface of described dielectric resonator, and is bolted in the lower surface of described tuning cover plate；Tuning screw, through through hole and the eyelet of described cover plate flange of described tuning cover plate, extends down into the pore structure of described dielectric resonator.Wave filter of the present utility model is under the effect of cover plate flange, can ensure that the upper and lower end face of dielectric resonator is in close contact with resonator cavity, make equipment signal of telecommunication good connection, there is the electric property of excellence, also ensure that the high q-factor of TM mould medium, work with making wave filter energy stability and high efficiency.
Description
Technical field
This utility model relates to field of wireless communication, particularly relates to a kind of TM mould dielectric filter.
Background technology
In today that information technology develops rapidly, along with the arrival of the 5th information technology revolution, wireless communication technology has
Rapid development.Mobile communication and portable terminal the most progressively tend to miniaturization, lightweight, high reliability direction.Therefore, people
Strict all the more to the index request of microwave filter, in 4G, 5G mobile communication base station, miniaturization, high q-factor, high stability
The double short wave filter of TM mould medium become a focus of research at present.
TM mould dielectric filter is that radio-frequency filter realizes miniaturization, light-weighted important means.Humorous according to TM mould medium
Shaking the fundamental resonance principle of device, such dielectric filter configuration aspects need to meet following two condition: (1) is as it is shown in figure 1, TM mould
Two cross sections up and down of dielectric resonator must sufficiently contact with the both ends of the surface up and down of resonator cavity respectively；(2) medium is humorous
The device at least end face that shakes needs to arrange flexible connection mechanism, for compensation medium resonator with other each parts in variations in temperature
Time produce deformation.
Traditional resonator installation method is directly to fix TM mould dielectric resonator by metallic screw, and screw is fixing also
It cannot be guaranteed that being fully contacted of the upper and lower surface of resonator and resonator cavity, it is also easy to resonator is damaged, causes the signal of telecommunication
Connect instability.Additionally, due to the introducing of metallic screw, the Q-value of TM mould medium can drastically decline, with common metal chamber ratio does not has
Advantage, is even inferior to common metal chamber, thus application effect bad.
Utility model content
It is insufficient contact with resonator cavity that the purpose of this utility model is to solve the upper and lower end face of resonator in prior art,
Signal of telecommunication connection is unstable, TM mould Medium Q value is relatively low, the problem of filter filtering weak effect.
For solving above-mentioned technical problem, this utility model provides a kind of TM mould dielectric filter, including: resonator cavity, have
At least one cavity；Tuning cover plate, is assemblied in the upper surface of described resonator cavity, is provided with the through hole run through up and down；At least one medium
Resonator, in cylinder shape, lower surface correspondence is welded in the cavity of described resonator cavity, and upper end offers pore structure, at least one lid
Plate flange, correspondence is welded in the upper surface of described dielectric resonator, and is bolted in the lower surface of described tuning cover plate；Tuning spiral shell
Bar, through through hole and the eyelet of described cover plate flange of described tuning cover plate, extends down into the hole knot of described dielectric resonator
Structure.
Preferably, the bottom of described cavity is provided with groove, and the lower surface of described dielectric resonator is welded in described groove.
Preferably, the lower surface of described cover plate flange is provided with boss, and it is convex that the upper surface of described dielectric resonator is welded in this
The lower surface of platform.
Preferably, ringwise, the external diameter of this boss is less than the external diameter of described dielectric resonator upper surface for described boss.
Preferably, described cover plate flange uses copper material to make, and its thickness is not less than 1mm, and hardness is not less than HB60.
Preferably, described tuning cover plate there is the thick size field contacted with described resonator cavity and dielectric resonator, and
For producing the thin size field of pre-deformation.
Preferably, the thin size field of described tuning cover plate is provided with fastening screw, with by fastening bolt and described cover plate method
Orchid is spirally connected.
Preferably, described tuning cover plate is bolted in the upper surface of described resonator cavity, and the upper surface of this resonator cavity is provided with location
Pin, the installation for described tuning cover plate is fixed.
Preferably, the upper and lower surface of described dielectric resonator by tin cream respectively with described cover plate flange and resonance
Chamber is welded.
Preferably, the upper and lower surface of described dielectric resonator is equipped with silver coating or Gold plated Layer, described resonator cavity,
The surface of cover plate flange and tuning cover plate is equipped with silver coating or Gold plated Layer.
As shown from the above technical solution, the beneficial effects of the utility model are: TM mould dielectric filter of the present utility model
In, dielectric resonator can stably be fixedly connected in resonator cavity under the effect of cover plate flange, it is ensured that the signal of telecommunication in wave filter
Be stably connected with；Cover plate flange is spirally connected with the tuning cover plate of upper end simultaneously, by this kind elastic connect can compensate for electrical equipment because of
The deformation that variations in temperature produces, it is ensured that tuning cover plate under condition of different temperatures all can be with dielectric resonator good connection；This reality
Dielectric resonator is installed in resonator cavity by welding with novel TM mould dielectric filter, the upper and lower end face of dielectric resonator
All it is in close contact with resonator cavity, it is ensured that the well-equipped signal of telecommunication connects, there is the electric property of excellence, also ensure that TM mould
The high q-factor of medium, works with making wave filter energy stability and high efficiency；Additionally, wave filter convenient disassembly of the present utility model, assembling letter
Single, it is greatly saved the inner space of equipment, also saves processing cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of TM mould dielectric filter of the prior art.
Fig. 2 is the structural representation of this utility model TM mould dielectric filter embodiment.
Fig. 3 is the structural representation of this utility model TM mould dielectric filter embodiment tuning cover plate.
Fig. 4 is the structural representation of this utility model TM mould dielectric filter embodiment flange plate upper surface.
Fig. 5 is the structural representation of this utility model TM mould dielectric filter embodiment flange plate lower surface.
Description of reference numerals is as follows: 1, TM mould dielectric filter；11, resonator cavity；111, cavity；1111, groove；12, adjust
Humorous cover plate；121, through hole；123, thick size field；124, thin size field；125, connecting screw hole；126, fastening screw；13, cover plate method
Blue；131, eyelet；132, screw；133, boss；14, dielectric resonator；15, tuning screw；16, fastening bolt.
Detailed description of the invention
Embodiment this utility model feature will describe the most in detail with the exemplary embodiment of advantage.It should be understood that
Be that this utility model can have various changes on different embodiments, it is all without departing from model of the present utility model
Enclose, and explanation therein and be shown in and be substantially treated as purposes of discussion, and be not used to limit this utility model.
In order to further illustrate principle of the present utility model and structure, it is preferable to carry out of the present utility model in conjunction with accompanying drawing
Example is described in detail.
Refering to Fig. 2, TM mould dielectric filter 1 of the present utility model includes: resonator cavity 11, tuning cover plate 12, at least are situated between
Matter resonator 14, at least one cover plate flange 13 and tuning screw 15, wherein the lower surface correspondence of dielectric resonator 14 is welded in humorous
Shaking in chamber 11, its upper end offers pore structure；Cover plate flange 13 correspondence is welded in the upper surface of dielectric resonator 14, and is bolted in
The lower surface of tuning cover plate 12；Tuning screw 15, through tuning cover plate 12 and cover plate flange 13, extends downwardly into dielectric resonator 14
In the pore structure that upper end is offered.
Further, the present embodiment TM mould dielectric filter 1 has at least one dielectric resonator 14, dielectric resonator 14
For TM mould dielectric material, in cylinder shape, cross section can be circular, square or other are irregularly shaped, its upper and lower two surfaces
Can be complete cross section, it is also possible to carry out other processing such as loss of weight of slotting, to reduce the contact surface with other mating parts
Long-pending.Dielectric resonator 14 upper end of the present embodiment offers pore structure, for stretching into of tuning screw 15, by tuning screw 15
Built-in length in dielectric resonator 14 realizes the regulation to resonant frequency.This pore structure can be through hole or blind hole, and it is horizontal
The shape in cross section is suitable with tuning screw 15, can be circular or other shapes.
Resonator cavity 11 has at least one cavity 111, is used for placing dielectric resonator 14, and cavity 111 is in cylinder shape, and it is transversal
The shape in face can be circular, rectangle or other are irregularly shaped, and resonator cavity 11 can electricity by metal or other surfaces
Engineering material or the composite of plating are made, the conductive layer that element can be formed by the electric conductivity of self or surface, it is ensured that
Frequency microwave signal carries out low-loss transmission inside resonator cavity 11.More preferably, in the present embodiment, the bottom of cavity 111 is provided with recessed
Groove 1111, the lower end of dielectric resonator 14 is welded in groove 1111.Groove 1111 has certain degree of depth, its cross section
Shape is suitable with the shape of dielectric resonator 14 cross section, and arranging of this groove 1111 can make dielectric resonator 14 stably
It is placed in resonator cavity 11, it is ensured that the lower end of dielectric resonator 14 is fully contacted with resonator cavity 11.
The upper surface of resonator cavity 11 is equipped with tuning cover plate 12, and this tuning cover plate 12 is plate-shaped, and tabular covers and can improve
Tuning cover plate 12 and the concatenation ability of resonator cavity 11.When resonator cavity 11 has multiple cavity 111, each cavity 111 can fill
Join individually tuning cover plate 12, it is also possible to multiple cavitys 111 share one piece of tuning cover plate 12, and this utility model uses the latter
Assembling mode, the complexity of device can be reduced, assemble up simpler.
Refering to Fig. 3, the tuning cover plate 12 in the present embodiment is provided with the through hole 121 run through up and down, this through hole 121 and tuning spiral shell
Bar 15 is suitable, for passing of tuning screw 15.More preferably, tuning cover plate 12 has and resonator cavity 11 and dielectric resonator
The thick size field 123 of 14 contacts, and for producing the thin size field 124 of pre-deformation, the lower surface of thick size field 123 is dashed forward downwards
Lower surface for thin size field 124.
Further, thick size field 123 has good rigidity, humorous with resonator cavity 11 and medium to guarantee tuning cover plate 12
Shake the contact quality of device 14, and thick size field 123 is provided with multiple connecting screw hole 125, and bolt makes tuning cover plate through connecting screw hole 125
12 upper surfaces being assemblied in resonator cavity 11, it is achieved the electrical connection of upper surface, more preferably, the upper surface of resonator cavity 11 is provided with location
Pin, fixes for tuning the installation of cover plate 12, is further ensured that the stability of electrical connection.At some other preferred embodiment
In, tuning cover plate 12 can also be connected with resonator cavity 11, by other means such as welding, crimping etc..
Thin size field 124 has certain elastically-deformable ability, and it is provided with multiple fastening screw 126, and fastening bolt 16 is worn
Cross fastening screw 126 and cover plate flange 13, it is achieved cover plate flange 13 is bolted in the lower surface of tuning cover plate 12.Thin size field 124
The elastic deformation produced makes tuning cover plate 12 provide downward pressure to cover plate flange 13 and dielectric resonator 14, and this pressure can be protected
The bottom of lower surface and the resonator cavity 11 of card dielectric resonator 14 is in close contact, further ensure interelement quality of connection and
The high q-factor of dielectric resonator 14, cover plate flange 13 is connected with the elastic of tuning cover plate 12 simultaneously, can be with absorbing medium resonator 14
With the deformation that other electrical equipments vary with temperature generation, it is ensured that tuning cover plate 12 and dielectric resonator under all temperature conditions
14 all have good electrical connection.
Cover plate flange 13 correspondence is welded in the upper surface of dielectric resonator 14, and is bolted in the lower surface tuning cover plate 12,
Its quantity is identical with the quantity of dielectric resonator 14.Refering to Fig. 4 and Fig. 5, the cover plate flange 13 of the present embodiment is thinner thickness
Circular plate-like shape block, in some other preferred embodiment, cover plate flange 13 can also be square or other are special-shaped.Cover plate flange 13
Correspondence position be provided with the eyelet 131 passed for tuning screw 15, and the screw 132 passed for fastening bolt 16.
Referring again to Fig. 5, during in order to prevent pressure excessive, tuning cover plate 12 and cover plate flange 13 damage dielectric resonator by pressure
14, boss 133 can be set at the lower surface of cover plate flange 13, boss 133 ringwise, is i.e. formed on the surface of cover plate flange 13
There is the raised structures of certain altitude.Boss 133 is between the lower surface and the upper surface of dielectric resonator 14 of cover plate flange 13
Being formed and support, more preferably, in the present embodiment, the outer diameter D 1 of boss 133 is less than the outer diameter D 2 of dielectric resonator 14 upper surface, medium
Resonator 14 is welded in the lower surface of boss 133, and on the premise of guaranteeing that good electrical connects, boss 133 available buffer carrys out self-regulated
Humorous cover plate 12 and the pressure of cover plate flange 13, prevent the fragmentation of dielectric resonator 14.
Engineering material or composite that cover plate flange 13 can be able to be electroplated by metal or other surfaces are made, this enforcement
The cover plate flange 13 of example is made up of copper material, and its thickness is not less than 1mm, and hardness is not less than HB60.
In order to be further ensured that the electrical connection and the stability of dielectric resonator 14 welding, resonator cavity that interelement is good
The surface of surface, the upper and lower surface of dielectric resonator 14, the surface of tuning cover plate 12 and the cover plate flange 13 of 11 is all coated with one
Layer has the metal material of high conductivity, and this metal material is preferably silver-colored or golden.Additionally, the upper surface of dielectric resonator 14 and under
Surface is welded with cover plate flange 13 resonant cavity 11 respectively by tin cream, in the present embodiment, and dielectric resonator 14 lower surface
Periphery is also by the bottom welding of silver-plated iron plate Yu resonator cavity 11, it is ensured that the end face of dielectric resonator 14 fills with resonator cavity 11
Tap is touched, it is ensured that the normal work of wave filter.
In sum, this utility model is by being installed on dielectric resonator in the cavity of resonator cavity, at cover plate flange
What under effect, dielectric resonator can be stable is connected in resonator cavity, it is ensured that the connection of the signal of telecommunication in wave filter；Cover plate method simultaneously
The blue tuning cover plate with upper end is spirally connected, and can compensate for, by this kind of elastic connection, the deformation that electrical equipment produces, it is ensured that interelement is good
Good connection；Dielectric resonator is by welded and installed in resonator cavity, and the upper and lower end face making dielectric resonator is tight with resonator cavity
Contact, it is ensured that the high q-factor of TM mould medium, works with making wave filter energy stability and high efficiency.
Although describing this utility model with reference to several exemplary embodiment, it is to be understood that, term used is to say
Bright and exemplary and nonrestrictive term.Owing to this utility model can be embodied as without deviating from practicality in a variety of forms
Novel spirit or essence, it should therefore be appreciated that above-mentioned embodiment is not limited to any aforesaid details, and should be in right of enclosing
Explain widely in requiring the spirit and scope that limited, therefore fall into whole changes in claim or its equivalent scope with
Remodeling all should be appended claims and contained.
Claims (10)
1. a TM mould dielectric filter, it is characterised in that including:
Resonator cavity, has at least one cavity；
Tuning cover plate, is assemblied in the upper surface of described resonator cavity, is provided with the through hole run through up and down；
At least one dielectric resonator, in cylinder shape, lower surface correspondence is welded in the cavity of described resonator cavity, and upper end is offered porose
Structure；
At least one cover plate flange, correspondence is welded in the upper surface of described dielectric resonant chamber, and is bolted under described tuning cover plate
Surface；
Tuning screw, through through hole and the eyelet of described cover plate flange of described tuning cover plate, extends down into described medium humorous
Shake the pore structure of device.
TM mould dielectric filter the most according to claim 1, it is characterised in that the bottom of described cavity is provided with groove, institute
The lower surface stating dielectric resonator is welded in described groove.
TM mould dielectric filter the most according to claim 1, it is characterised in that the lower surface of described cover plate flange is provided with convex
Platform, the upper surface of described dielectric resonator is welded in the lower surface of this boss.
TM mould dielectric filter the most according to claim 3, it is characterised in that described boss ringwise, outside this boss
Footpath is less than the external diameter of described dielectric resonator upper surface.
TM mould dielectric filter the most according to claim 1, it is characterised in that described cover plate flange uses copper material to make,
Its thickness is not less than 1mm, and hardness is not less than HB60.
TM mould dielectric filter the most according to claim 1, it is characterised in that having of described tuning cover plate is humorous with described
Shake the thick size field that chamber contacts with dielectric resonator, and for producing the thin size field of pre-deformation.
TM mould dielectric filter the most according to claim 6, it is characterised in that the thin size field of described tuning cover plate is provided with
Fastening screw, to be spirally connected with described cover plate flange by fastening bolt.
TM mould dielectric filter the most according to claim 1, it is characterised in that described tuning cover plate is bolted in described resonance
The upper surface in chamber, the upper surface of this resonator cavity is provided with alignment pin, and the installation for described tuning cover plate is fixed.
TM mould dielectric filter the most according to claim 1, it is characterised in that the upper surface of described dielectric resonator and under
Surface is welded with described cover plate flange resonant cavity respectively by tin cream.
TM mould dielectric filter the most according to claim 1, it is characterised in that the upper surface of described dielectric resonator and
Lower surface is equipped with silver coating or Gold plated Layer, and the surface of described resonator cavity, cover plate flange and tuning cover plate is equipped with silver coating
Or Gold plated Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620791586.2U CN205811024U (en) | 2016-07-25 | 2016-07-25 | TM mould dielectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620791586.2U CN205811024U (en) | 2016-07-25 | 2016-07-25 | TM mould dielectric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205811024U true CN205811024U (en) | 2016-12-14 |
Family
ID=57507529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620791586.2U Expired - Fee Related CN205811024U (en) | 2016-07-25 | 2016-07-25 | TM mould dielectric filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205811024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946705A (en) * | 2017-12-11 | 2018-04-20 | 四川九鼎智远知识产权运营有限公司 | A kind of dielectric filter |
| CN108054475A (en) * | 2017-12-11 | 2018-05-18 | 四川九鼎智远知识产权运营有限公司 | A kind of TM moulds dielectric filter |
-
2016
- 2016-07-25 CN CN201620791586.2U patent/CN205811024U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946705A (en) * | 2017-12-11 | 2018-04-20 | 四川九鼎智远知识产权运营有限公司 | A kind of dielectric filter |
| CN108054475A (en) * | 2017-12-11 | 2018-05-18 | 四川九鼎智远知识产权运营有限公司 | A kind of TM moulds dielectric filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20210725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |