CN208142318U - A kind of novel dielectric filter - Google Patents
A kind of novel dielectric filter Download PDFInfo
- Publication number
- CN208142318U CN208142318U CN201820785495.7U CN201820785495U CN208142318U CN 208142318 U CN208142318 U CN 208142318U CN 201820785495 U CN201820785495 U CN 201820785495U CN 208142318 U CN208142318 U CN 208142318U
- Authority
- CN
- China
- Prior art keywords
- medium block
- filter
- block
- radio frequency
- main body
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a kind of novel dielectric filters,Including filter main body,First medium block is provided at the top of the filter main body,The filter main body bottom is equipped with second medium block,The second medium block and first medium block connectivity port avris are respectively and fixedly provided with meeting stile,Fastening screw is equipped among the meeting stile,The first medium block and second medium block one end are symmetrically installed with input radio frequency connector,The first medium block and the second medium block other end are symmetrically arranged with output radio frequency connector,Mounting plate is equipped between the output radio frequency connector and input radio frequency connector,The mounting plate is welded on filter main body both ends,The metal screen layer and stiffening plate that the utility model passes through setting,Metal screen layer plays electromagnetic shielding action,So as to which filter signal is preferably strapped in filter internal,Keep apart with exterior space,The structural strength of stiffening plate raising dielectric filter.
Description
Technical field
The utility model relates to technical field of communication equipment, specially a kind of novel dielectric filter.
Background technique
Filter is a kind of frequency-selecting device, and the frequency content of special frequency channel in signal can be made to pass through, and is greatly decayed
Other frequency contents.Waveguide filter is one kind of Frequent Filters in communication system, and traditional waveguide filter is wire chamber
Body structure, centre are air, and metal material plays the role of electromagnetic shielding and structural support at edge.Using the filter of such mode
Wave device has a higher quality factor Q value, but there are volume and weight are larger, is unfavorable for the problem of installing and transporting.With
The development of communication system, it is desirable that filter has the characteristics that filter with low insertion loss, high inhibition, bears big power, low cost and miniaturization, by
This has also been proposed the structure of dielectric waveguide filter:Air part is substituted with the dielectric material of high dielectric constant, and plays biography
Conductive magnetic wave and structural support effect, while filter can be substantially reduced to play electromagnetic shielding action by silver layer on medium block surface
The volume and cost of wave device.Existing dielectric filter structural strength is lower, is easily damaged, and dismounts inconvenience.Therefore we are right
This makes improvement, proposes a kind of novel dielectric filter.
Utility model content
The purpose of this utility model is to provide a kind of novel dielectric filters, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:A kind of novel dielectric filter, including filter
Wave device main body, the filter main body top are provided with first medium block, and the filter main body bottom is equipped with second medium block,
The second medium block and first medium block connectivity port avris are respectively and fixedly provided with meeting stile, are equipped among the meeting stile
Fastening screw, the first medium block and second medium block one end are symmetrically installed with input radio frequency connector, the first medium
Block and the second medium block other end are symmetrically arranged with output radio frequency connector, and the output radio frequency connector is connect with input radio frequency
Mounting plate is equipped between device, the mounting plate is welded on filter main body both ends, and mounting hole is offered among mounting plate, described
There is fixed block at both ends in distributed rectangular inside second medium block, and limit card slot is offered among the fixed block, and described first is situated between
There is card column corresponding with limit card slot in distributed rectangular inside mass.
Preferably, the first medium block and second medium block outer side covering have metal screen layer, the metal screen layer
Between be fixed with stiffening plate.
Preferably, the first medium block intermediate symmetry is provided with flat type through-hole.
Preferably, the fixed block and second medium block are an integral molding structure.
Preferably, sealing joint strip is connected between the second medium block and the connection gap of first medium block.
Preferably, the mounting plate is light plastic plate.
Compared with prior art, the utility model has the beneficial effects that:
1, the utility model is by the first medium block and second medium block of setting, first medium block and second medium block it
Between be connected by meeting stile, and the cooperation of its inner utilization limit card slot and card column is fixed, and increases the connection between medium block
Stability, will not misplace shaking, and it is convenient to dismount.
2, for the utility model by the mounting plate and flat type through-hole of setting, mounting plate is convenient to install dielectric filter
It is fixed, the coupling amount between medium block can be finely tuned using the overall width of flat type through-hole, using effect is good.
3, by the metal screen layer and stiffening plate of setting, metal screen layer plays to be electromagnetically shielded to be made the utility model
With, so as to which filter signal is preferably strapped in filter internal, keep apart with exterior space, stiffening plate improve medium filter
The structural strength of wave device.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is the utility model second medium block structure schematic diagram;
In figure:1- filter main body;2- meeting stile;3- input radio frequency connector;4- card column;5- sealing joint strip;6- gold
Belong to shielded layer;7- first medium block;8- exports radio frequency connector;9- limit card slot;10- second medium block;11- stiffening plate;12-
Fastening screw;13- mounting plate;14- mounting hole;15- fixed block;16- flat type through-hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2,:A kind of novel dielectric filter, including filtering
Device main body 1, first medium block 7 is provided at the top of the filter main body 1, and 1 bottom of filter main body is equipped with second medium
Block 10, the second medium block 10 are respectively and fixedly provided with meeting stile 2, the meeting stile 2 with 7 connectivity port avris of first medium block
Centre is equipped with fastening screw 12, and the first medium block 7 is symmetrically installed with input radio frequency with 10 one end of second medium block and connects
Device 3, the first medium block 7 and 10 other end of second medium block are symmetrically arranged with output radio frequency connector 8, the output radio frequency
Mounting plate 13 is equipped between connector 8 and input radio frequency connector 3, the mounting plate 13 is welded on 1 both ends of filter main body, and
Mounting hole 14 is offered among mounting plate 13, there is fixed block 15 at the 10 inside both ends of second medium block in distributed rectangular, described
Limit card slot 9 is offered among fixed block 15, is had inside the first medium block 7 in distributed rectangular corresponding with limit card slot 9
Card column 4.
First medium block 7 and 10 outer side covering of second medium block have metal screen layer 6, are fixed between metal screen layer 6
Stiffening plate 11;7 intermediate symmetry of first medium block is provided with flat type through-hole 16;Fixed block 15 and second medium block 10 are integrally formed
Structure;It is connected with sealing joint strip 5 between second medium block 10 and the connection gap of first medium block 7, guarantees medium block connectivity port
Leakproofness;Mounting plate 13 is light plastic plate, mitigates the overall weight of dielectric filter.
Working principle:The utility model plays electromagnetic shielding action by metal screen layer 6, so as to believe filter
Number it being preferably strapped in filter internal, kept apart with exterior space, stiffening plate 11 improves the structural strength of dielectric filter, the
It is connected by meeting stile 2 between one medium block 7 and second medium block 10, and its inner utilization limit card slot 9 and card column 4 are matched
It closes and fixes, increase the connective stability between medium block, will not misplace shaking, and it is convenient to dismount, and mounting plate 13 is convenient to filter medium
Wave device carries out installation fixation, can finely tune the coupling amount between medium block, using effect using the overall width of flat type through-hole 16
It is good, it is worth being widely popularized.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of novel dielectric filter, including filter main body(1), which is characterized in that the filter main body(1)Top
It is provided with first medium block(7), the filter main body(1)Bottom is equipped with second medium block(10), the second medium block
(10)With first medium block(7)Connectivity port avris is respectively and fixedly provided with meeting stile(2), the meeting stile(2)Centre is equipped with
Fastening screw(12), the first medium block(7)With second medium block(10)One end is symmetrically installed with input radio frequency connector
(3), the first medium block(7)With second medium block(10)The other end is symmetrically arranged with output radio frequency connector(8), described defeated
Radio frequency connector out(8)With input radio frequency connector(3)Between be equipped with mounting plate(13), the mounting plate(13)It is welded on filtering
Device main body(1)Both ends, and mounting plate(13)Centre offers mounting hole(14), the second medium block(10)Internal both ends are in square
Fixed block is distributed in shape(15), the fixed block(15)Centre offers limit card slot(9), the first medium block(7)It is internal
Have in distributed rectangular and limit card slot(9)Corresponding card column(4).
2. the novel dielectric filter of one kind according to claim 1, it is characterised in that:The first medium block(7)With
Second medium block(10)Outer side covering has metal screen layer(6), the metal screen layer(6)Between be fixed with stiffening plate(11).
3. the novel dielectric filter of one kind according to claim 1, it is characterised in that:The first medium block(7)In
Between be symmetrically arranged with flat type through-hole(16).
4. the novel dielectric filter of one kind according to claim 1, it is characterised in that:The fixed block(15)With second
Medium block(10)It is an integral molding structure.
5. the novel dielectric filter of one kind according to claim 1, it is characterised in that:The second medium block(10)With
First medium block(7)Connection gap between be connected with sealing joint strip(5).
6. the novel dielectric filter of one kind according to claim 1, it is characterised in that:The mounting plate(13)For lightweight
Plastic plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820785495.7U CN208142318U (en) | 2018-05-25 | 2018-05-25 | A kind of novel dielectric filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820785495.7U CN208142318U (en) | 2018-05-25 | 2018-05-25 | A kind of novel dielectric filter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208142318U true CN208142318U (en) | 2018-11-23 |
Family
ID=64314497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820785495.7U Expired - Fee Related CN208142318U (en) | 2018-05-25 | 2018-05-25 | A kind of novel dielectric filter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208142318U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109560355A (en) * | 2018-12-28 | 2019-04-02 | 重庆思睿创瓷电科技有限公司 | Dielectric, dielectric waveguide filter, radio-frequency module and base station for 5G communication |
CN111478002A (en) * | 2020-05-29 | 2020-07-31 | 京信射频技术(广州)有限公司 | Dielectric waveguide filter and communication device |
-
2018
- 2018-05-25 CN CN201820785495.7U patent/CN208142318U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109560355A (en) * | 2018-12-28 | 2019-04-02 | 重庆思睿创瓷电科技有限公司 | Dielectric, dielectric waveguide filter, radio-frequency module and base station for 5G communication |
CN109560355B (en) * | 2018-12-28 | 2024-05-14 | 重庆思睿创瓷电科技有限公司 | Dielectric body for 5G communication, dielectric waveguide filter, radio frequency module and base station |
CN111478002A (en) * | 2020-05-29 | 2020-07-31 | 京信射频技术(广州)有限公司 | Dielectric waveguide filter and communication device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208142318U (en) | A kind of novel dielectric filter | |
WO2015070450A1 (en) | Resonator, filter, duplexer and multiplexer | |
CN206864583U (en) | A kind of dielectric filter be easy to regulating frequency and couple bandwidth | |
CN207353438U (en) | Electromagnetism hybrid coupled cavity body filter | |
CN209374644U (en) | A kind of filter and communication radio frequency device | |
CN200947460Y (en) | Coupling structure between coaxial cavity resonators | |
CN210015951U (en) | Active antenna unit and shell thereof | |
CN1036818C (en) | Microwave interdigital low-resistance filter | |
CN112838347A (en) | Frame type resonator and filter | |
CN110416671A (en) | Resonator, cavity body filter and its adjustment method | |
US4920455A (en) | Radio frequency device circuit arrangement | |
CN217589386U (en) | C-band suspension line interdigital band-pass filter | |
CN108306082B (en) | A kind of filtering balun based on cavity | |
CN207504150U (en) | The interdigitated S-band cavity body filters of 2GHz to 4GHz | |
CN208315715U (en) | A kind of CDMA filter for base station | |
CN111430860A (en) | Resonant cavity structure for realizing temperature self-compensation and cavity filter | |
CN205376706U (en) | Cavity filter | |
CN208273169U (en) | A kind of dust-proof intelligent sound box shell | |
CN208570880U (en) | A kind of base station resonant column | |
CN210489794U (en) | Small-sized filter | |
CN219513310U (en) | Sheet metal filter resonator, inductive and capacitive coupling structure and filter | |
CN114039186A (en) | Branch resonator and miniaturized filter | |
CN107732390B (en) | A kind of electromagnetism hybrid coupled cavity body filter | |
CN207868360U (en) | Four frequency combiners | |
CN208014872U (en) | A kind of microstrip filter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191213 Address after: 246000 floor 1 and 2, building B2, phase I, Wanjiang hi tech Incubation Park, Anqing Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Yixin Microelectronics Technology Co.,Ltd. Address before: 210046 1 building, 6 KGC 108, Nanjing, Qixia, Jiangsu. Patentee before: NANJING HMC SYSTEM Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |