CN208142318U - A kind of novel dielectric filter - Google Patents

A kind of novel dielectric filter Download PDF

Info

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
Application number
CN201820785495.7U
Other languages
Chinese (zh)
Inventor
刘银银
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Yixin Microelectronics Technology Co ltd
Original Assignee
Nanjing Dry Communication Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Dry Communication Technology Co Ltd filed Critical Nanjing Dry Communication Technology Co Ltd
Priority to CN201820785495.7U priority Critical patent/CN208142318U/en
Application granted granted Critical
Publication of CN208142318U publication Critical patent/CN208142318U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of novel dielectric filter
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.
CN201820785495.7U 2018-05-25 2018-05-25 A kind of novel dielectric filter Expired - Fee Related CN208142318U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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