CN103022621A - Resonator utilizing medium block loading - Google Patents
Resonator utilizing medium block loading Download PDFInfo
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- CN103022621A CN103022621A CN2012105513387A CN201210551338A CN103022621A CN 103022621 A CN103022621 A CN 103022621A CN 2012105513387 A CN2012105513387 A CN 2012105513387A CN 201210551338 A CN201210551338 A CN 201210551338A CN 103022621 A CN103022621 A CN 103022621A
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Abstract
The invention discloses a resonator utilizing medium block loading. The resonator comprises a resonance cavity, a resonance rod, a loading round disc, a tuning bolt and loading media. The resonator utilizing medium block loading loads media provided with high dielectric constant between the loading round disc and an upper cover plate of a coaxial resonator, effectively reduces resonant frequency of the resonator, enables size of the resonator to be reduced by over a half at most, achieves miniaturization of the resonator, and effectively saves production cost. Size of the coaxial cavity resonator is reduced, power capacity of the resonator is simultaneously increased, and the coaxial cavity resonator is guaranteed to have the advantage of being high in power capacity. The resonator utilizing medium block loading further has the advantages of metal resonators and media resonators.
Description
Technical field
The present invention relates to the coaxial cavity resonator field, particularly a kind of resonator that uses medium block to load.
Background technology
In the prior art, along with the fast development of mobile communication system, people are day by day harsh to the requirement of mobile communication equipment, and wherein, resonator is widely used network element, has the characteristic of energy storage and frequency-selecting.Common resonator comprises following several so far:
1, cavity resonator, such resonator are the hollow element of being made by conductor material, can encourage to produce electromagnetic viscosimeter in this resonator, and this resonator can be cuboid, cylindrical body or spherical.Cavity resonator can obtain low-down loss, and but, its size can't downsizing, and this just becomes defective.
2, dielectric resonator, the medium full packing is an inside cavity.Advantage is that this structure can make less size, also can obtain lower loss.But the shortcoming of dielectric resonator is that manufacturing cost is higher, harmonic performance is poor.
3, coaxial cavity resonator, traditional coaxial cavity resonator, as shown in Figure 1, lossy low, the advantage that power capacity is high of this syntonizer, but its size can not compress under to a certain degree again, and, the decline that might bring power capacity after the miniaturization, volume is larger, and quality is heavy, is unfavorable for transportation.
Therefore, how to realize the miniaturization of resonator, reach simultaneously the requirement that saves production cost, just become problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention provides a kind of resonator that uses medium block to load, and to solve the miniaturization that can't realize resonator, can't reach the problem of the requirement that saves production cost simultaneously.
For solving the problems of the technologies described above, the invention provides a kind of resonator that uses medium block to load, it is characterized in that described resonator comprises: resonant cavity, resonant rod, loading disk, tuning screw and loaded medium; Wherein,
Described resonant cavity is connected with tuning screw with described resonant rod, and wherein, described resonant cavity comprises: sidewall, upper cover plate and diapire; Wherein,
The inboard of described diapire is connected with the lower surface of resonant rod;
Described upper cover plate is connected with the upper plane of loaded medium;
Described sidewall is connected with diapire with described upper cover plate, forms the described resonant cavity of inner hollow;
Described resonant rod is connected with the inboard of the diapire of resonant cavity and the lower plane that loads disk, is arranged at center in the described resonant cavity, and this resonant rod is one to have cylinder or the square body that Lower Half entity, the first half contain a coaxial hollow cavity;
Described loading disk is arranged on the described resonant rod, and this loads the central point of disk and the stacking setting in axle center of described resonant rod, and this loading disk has the hollow space consistent with described coaxial hollow cavity diameter;
Described tuning screw is connected with loaded medium with upper cover plate in the described resonant cavity, the central point of its upper cover plate in the described resonant cavity and the intermediate point position of loaded medium;
Described loaded medium, its shape is consistent with described resonant cavity, is arranged between the upper cover plate in described loading disk and the described resonant cavity.
Further, described resonant cavity further is the resonant cavity of cylinder or square body.
Further, described loading disk further is the loading disk of cylindrical structural, and this loads the diameter of disk more than or equal to the diameter of described resonant rod.
Further, described tuning screw further is the tuning screw of cylinder or cone.
Further, described loaded medium is connected with upper cover plate in the described resonant cavity by welding, bonding or screw connecting mode and described loading disk.
Further, described loaded medium is partially filled or all be filled in the upper cover plate in the described resonant cavity and load between the disk.
Further, any one or both ends of the described loaded medium mode that adopts silver-plated, copper facing or do not process.
Further, the material of described loaded medium adopts alundum (Al2O3), zirconium titanium tin or perovskite.
Further, described coaxial hollow cavity further is the cylindrical cavity of coaxial hollow or the square body inner chamber of coaxial hollow.
Further, the height of described coaxial hollow cavity and cross section are all less than height and the cross section of described resonant rod.
Compared with prior art, the resonator that utilization medium block provided by the present invention loads has reached following technique effect:
1) resonator that loads of utilization medium block of the present invention is by loading the medium with high-k between the loading disk of coaxial resonator and upper cover plate, effectively reduce the resonance frequency of resonator, make the volume of this resonator can reduce at most over half, realize the miniaturization of resonator, effectively saved production cost.
2) resonator of utilization medium block loading of the present invention can increase the power capacity of resonator when reducing the volume of coaxial cavity resonator, has guaranteed that coaxial cavity resonator has the high advantage of power capacity.
3) resonator of utilization medium block loading of the present invention also has the advantage of metal resonators and dielectric resonator.
Description of drawings
Fig. 1 is the stereogram of the coaxial cavity resonator of prior art;
Fig. 2 is the stereogram of the resonator of the embodiment of the invention one described utilization medium block loading;
Fig. 3 is the stereogram of the resonator of the embodiment of the invention two described utilization medium blocks loadings;
Fig. 4 is the front view of the resonator of the embodiment of the invention one described utilization medium block loading;
Fig. 5 is the vertical view of the resonator of the embodiment of the invention one described utilization medium block loading;
Fig. 6 is the vertical view of the resonator of the embodiment of the invention one described utilization medium block loading;
Fig. 7 is the vertical view of the resonator of the embodiment of the invention two described utilization medium blocks loadings;
Fig. 8 is the front view of the resonator of the embodiment of the invention two described utilization medium blocks loadings;
Fig. 9 is the vertical view of the resonator of the embodiment of the invention two described utilization medium blocks loadings.
Embodiment
Censure specific components as in the middle of specification and claim, having used some vocabulary.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the criterion that is used as distinguishing with the difference of assembly on function.Be an open language such as " comprising " mentioned in the middle of specification and the claim in the whole text, so should be construed to " comprise but be not limited to ".Refer in acceptable error range that " roughly " those skilled in the art can solve the technical problem, and substantially reach described technique effect in the certain error scope.In addition, " couple " word and comprise any indirectly electric property coupling means that directly reach at this.Therefore, be coupled to one second device if describe a first device in the literary composition, then represent described first device and can directly be electrically coupled to described the second device, or indirectly be electrically coupled to described the second device by other devices or the means that couple.The specification subsequent descriptions is for implementing preferred embodiments of the present invention, and right described description is to illustrate that rule of the present invention is purpose, is not to limit scope of the present invention.Protection scope of the present invention is as the criterion when looking the claims person of defining.
Below in conjunction with accompanying drawing the present invention is described in further detail, but not as a limitation of the invention.
As shown in Figure 2, be the resonator that the embodiment of the invention one described utilization medium block loads, this resonator comprises: resonant cavity 1, resonant rod 2, loading disk 3, tuning screw 4 and loaded medium 5.Wherein,
Described resonant cavity 1 is cylindrical resonant cavity, and it is connected with tuning screw 4 with resonant rod 2, and wherein (as shown in Figure 4) this resonant cavity 1 comprises: sidewall 11, upper cover plate 12 and diapire 13; Wherein,
The inboard of described diapire 13 is connected with the lower surface of resonant rod 2;
Described upper cover plate 12 is connected with the upper plane of loaded medium 5;
Described sidewall 11 is connected with diapire 13 with described upper cover plate 12, forms the described resonant cavity 1 of inner hollow.
Particularly, this resonant cavity 1 is cylindrical resonant cavity in the embodiment of the invention one.Certainly do not limit as concrete here, the profile of resonant cavity 1 can also adopt square body or other suitable shapes; The material that this resonant cavity 1 adopts is aluminium, aluminium alloy or copper etc., is not specifically limited here.
Described resonant rod 2, be connected with the inboard of diapire 13 in the resonant cavity 1 and the lower plane that loads disk 3, be arranged at described resonant cavity 1 interior center, this resonant rod 2 is one to have cylinder or the square body that Lower Half entity, the first half contain a coaxial hollow cavity 21.
Wherein, described coaxial hollow cavity 21 is: the square body inner chamber of the cylindrical cavity of coaxial hollow or coaxial hollow, can also design according to actual conditions here, and it is not specifically limited.All less than height and the cross section of described resonant rod 2, the material of this coaxial hollow cavity 21 adopts aluminium, aluminium alloy, copper or steel etc., is not specifically limited here for the height of this coaxial hollow cavity 21 and cross section.
Described loading disk 3 is cylindrical structural, and it is arranged on the described resonant rod 2, and this loads the central point of disk 3 and the stacking setting in axle center of described resonant rod 2, and this loading disk 3 has the hollow space consistent with described coaxial hollow cavity 21 diameters.
Wherein, the diameter of described loading disk 3 is more than or equal to the diameter (shown in Fig. 4 and 8) of described resonant rod 2.
Described tuning screw 4 is connected with loaded medium 5 with upper cover plate 12 in the described resonant cavity 1, and it is shaped as cylinder or cone, the central point of the upper cover plate 12 in the described resonant cavity 1 and the intermediate point position of loaded medium 5.In order to play the annexation between fixing described loaded medium 5 and the upper cover plate 12.
Described loaded medium 5, its shape is consistent with described resonant cavity 1, is arranged between the upper cover plate 12 in described loading disk 3 and the described resonant cavity 1, and the intermediate point position of described loaded medium 5 is provided with described tuning screw 4.
Wherein, the DIELECTRIC CONSTANT ε of described loaded medium 5 is higher, is generally between ε=2 ~ 200, and the material of described loaded medium 5 can adopt alundum (Al2O3), zirconium titanium tin or perovskite etc., is not specifically limited here.
The shape of described loaded medium 5 is consistent with described resonant cavity 1, and the meaning is, when the shape of resonant cavity 1 adopted cylinder, the shape of described loaded medium 5 also be cylinder, and this variation does not affect the characteristic that this resonator has the reduction resonance frequency.The volume size of this loaded medium 5 can arrange according to actual conditions, along with the increase resonance frequency of volume can be along with reduction, simultaneously these loaded medium 5 any one or both ends can be silver-plated, copper facing or do not process, be not specifically limited here.
In addition, described loaded medium 5 can be connected with upper cover plate 12 in the described resonant cavity 1 by the modes such as welding, bonding or screw connection and described loading disk 3.
Need to prove: according to foregoing description as can be known, described loaded medium 5 big or small unrestricted, in the above-described embodiment, as illustrated in Figures 5 and 6, between the loaded medium 5 partially filled upper cover plates 12 and loading disk 4 in described resonant cavity 1, in the resonator that the embodiment of the invention two described utilization medium blocks load, shown in Fig. 3,7 and 9, loaded medium 5 all is filled in the upper cover plate 12 in the described resonant cavity 1 and loads between the disk 4.
The resonator that the embodiment of the invention one described utilization medium block loads, because the electric field of open end is very strong, adopt the Filled Dielectrics with high-k at its open end, along with the thickness of loaded medium piece in the cavity and the increase of dielectric constant, the frequency of resonator significantly reduces, namely realize the Miniaturization Design of resonator, the volume of this resonator can reduce at most over half.
Resonant cavity described in above-described embodiment 1, resonant rod 2 and loaded medium 5 are structure as a whole, wherein, resonant cavity 1 and resonant rod 2 adopt cars, mill with the mode such as die casting and make, its inboard wall outer surface adopts electric conductive oxidation, silver-plated, copper facing or the mode such as gold-plated to process, in order to improve the conductance of housing surface, reduce insertion loss.This resonator has the advantage of metal resonators and dielectric resonator simultaneously, namely has the higher-wattage capacity, has again the characteristics such as volume is little, cost is low.
Compared with prior art, the resonator that utilization medium block provided by the present invention loads has reached following technique effect:
1) resonator that loads of utilization medium block of the present invention is by loading the medium with high-k between the loading disk of coaxial resonator and upper cover plate, effectively reduce the resonance frequency of resonator, make the volume of this resonator can reduce at most over half, realize the miniaturization of resonator, effectively saved production cost.
2) resonator of utilization medium block loading of the present invention can increase the power capacity of resonator when reducing the volume of coaxial cavity resonator, has guaranteed that coaxial cavity resonator has the high advantage of power capacity.
3) resonator of utilization medium block loading of the present invention also has the advantage of metal resonators and dielectric resonator.
It should be noted that the above only for preferred embodiment of the present invention, be not so limit scope of patent protection of the present invention that the present invention can also carry out the improvement of material and structure by parts, or employing technical equivalents thing is replaced.So the equivalent structure that all utilizations specification of the present invention and diagramatic content are done changes, or directly or indirectly apply to other correlative technology fields and all in like manner all be contained in the scope that the present invention contains.
Claims (10)
1. a resonator that uses medium block to load is characterized in that described resonator comprises: resonant cavity, resonant rod, loading disk, tuning screw and loaded medium; Wherein,
Described resonant cavity is connected with tuning screw with described resonant rod, and wherein, described resonant cavity comprises: sidewall, upper cover plate and diapire; Wherein,
The inboard of described diapire is connected with the lower surface of resonant rod;
Described upper cover plate is connected with the upper plane of loaded medium;
Described sidewall is connected with diapire with described upper cover plate, forms the described resonant cavity of inner hollow;
Described resonant rod is connected with the inboard of the diapire of resonant cavity and the lower plane that loads disk, is arranged at center in the described resonant cavity, and this resonant rod is one to have cylinder or the square body that Lower Half entity, the first half contain a coaxial hollow cavity;
Described loading disk is arranged on the described resonant rod, and this loads the central point of disk and the stacking setting in axle center of described resonant rod, and this loading disk has the hollow space consistent with described coaxial hollow cavity diameter;
Described tuning screw is connected with loaded medium with upper cover plate in the described resonant cavity, the central point of its upper cover plate in the described resonant cavity and the intermediate point position of loaded medium;
Described loaded medium, its shape is consistent with described resonant cavity, is arranged between the upper cover plate in described loading disk and the described resonant cavity.
2. the resonator of utilization medium block loading as claimed in claim 1 is characterized in that described resonant cavity further is the resonant cavity of cylinder or square body.
3. the resonator of utilization medium block loading as claimed in claim 2 is characterized in that described loading disk further is the loading disk of cylindrical structural, and this loads the diameter of disk more than or equal to the diameter of described resonant rod.
4. the resonator of utilization medium block loading as claimed in claim 1 is characterized in that described tuning screw further is the tuning screw of cylinder or cone.
5. the resonator that loads of utilization medium block as claimed in claim 1 is characterized in that, described loaded medium is connected with upper cover plate in the described resonant cavity by welding, bonding or screw connecting mode and described loading disk.
6. the resonator that loads of utilization medium block as claimed in claim 5 is characterized in that, described loaded medium is partially filled or all be filled in the upper cover plate in the described resonant cavity and load between the disk.
7. the resonator that loads of utilization medium block as claimed in claim 6 is characterized in that, that adopt any one or both ends of described loaded medium is silver-plated, copper facing or the mode do not processed.
8. the resonator of utilization medium block loading as claimed in claim 7 is characterized in that, the material of described loaded medium adopts alundum (Al2O3), zirconium titanium tin or perovskite.
9. the resonator of utilization medium block loading as claimed in claim 1 is characterized in that described coaxial hollow cavity further is the cylindrical cavity of coaxial hollow or the square body inner chamber of coaxial hollow.
10. the resonator that loads of utilization medium block as claimed in claim 9 is characterized in that, the height of described coaxial hollow cavity and cross section are all less than height and the cross section of described resonant rod.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103390787A (en) * | 2013-07-15 | 2013-11-13 | 中国科学院高能物理研究所 | High-power microwave testing platform |
| CN104170162A (en) * | 2013-11-18 | 2014-11-26 | 华为技术有限公司 | Resonator, filter, duplexer and multiplexer |
| CN104852118A (en) * | 2015-06-05 | 2015-08-19 | 武汉凡谷陶瓷材料有限公司 | Medium loading resonator |
| CN104885293A (en) * | 2013-12-30 | 2015-09-02 | 华为技术有限公司 | Resonator, filter, duplexer, multiplexer and communication device |
| CN104979609A (en) * | 2014-04-01 | 2015-10-14 | Ace技术株式会社 | Cavity filter |
| CN105811051A (en) * | 2016-05-25 | 2016-07-27 | 西南交通大学 | Microminiature choke for transmission shaft in waveguide |
| CN106133998A (en) * | 2014-02-04 | 2016-11-16 | 阿尔卡特朗讯 | Resonator assembly and wave filter |
| CN106299556A (en) * | 2015-05-27 | 2017-01-04 | 深圳光启创新技术有限公司 | Wave filter and tuning dish thereof |
| CN107275729A (en) * | 2016-04-08 | 2017-10-20 | 中兴通讯股份有限公司 | The assembly method of resonator, wave filter and resonator |
| CN108370077A (en) * | 2015-12-04 | 2018-08-03 | 瑞典爱立信有限公司 | Coaxial resonator with dielectric disc |
| WO2019119658A1 (en) * | 2017-12-21 | 2019-06-27 | 香港凡谷发展有限公司 | Hybrid resonance structure including cavity and metal/dielectric rod, and filter |
| CN110459849A (en) * | 2019-08-05 | 2019-11-15 | 苏州诺泰信通讯有限公司 | A method of reducing resonance frequency |
| CN111010888A (en) * | 2018-08-08 | 2020-04-14 | 深圳市大富科技股份有限公司 | Resonator and cavity filter |
| CN111384488A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter and communication equipment |
| CN112904243A (en) * | 2021-01-18 | 2021-06-04 | 电子科技大学 | High-efficiency concentrated microwave magnetic field resonant cavity |
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| CN103390787A (en) * | 2013-07-15 | 2013-11-13 | 中国科学院高能物理研究所 | High-power microwave testing platform |
| CN104170162A (en) * | 2013-11-18 | 2014-11-26 | 华为技术有限公司 | Resonator, filter, duplexer and multiplexer |
| WO2015070450A1 (en) * | 2013-11-18 | 2015-05-21 | 华为技术有限公司 | Resonator, filter, duplexer and multiplexer |
| US10096884B2 (en) | 2013-11-18 | 2018-10-09 | Huawei Technologies Co., Ltd. | Resonator, filter, duplexer, and multiplexer |
| CN104170162B (en) * | 2013-11-18 | 2017-02-15 | 华为技术有限公司 | Resonator, filter, duplexer and multiplexer |
| US9979070B2 (en) | 2013-12-30 | 2018-05-22 | Huawei Technologies Co., Ltd. | Resonator, filter, duplexer, multiplexer, and communications device |
| CN104885293A (en) * | 2013-12-30 | 2015-09-02 | 华为技术有限公司 | Resonator, filter, duplexer, multiplexer and communication device |
| CN104885293B (en) * | 2013-12-30 | 2018-05-29 | 华为技术有限公司 | Resonator, wave filter, duplexer, multiplexer and communication equipment |
| CN106133998A (en) * | 2014-02-04 | 2016-11-16 | 阿尔卡特朗讯 | Resonator assembly and wave filter |
| US10056665B2 (en) | 2014-02-04 | 2018-08-21 | Alcatel Lucent | Resonator assembly and filter |
| CN104979609A (en) * | 2014-04-01 | 2015-10-14 | Ace技术株式会社 | Cavity filter |
| CN106299556A (en) * | 2015-05-27 | 2017-01-04 | 深圳光启创新技术有限公司 | Wave filter and tuning dish thereof |
| CN104852118B (en) * | 2015-06-05 | 2018-05-22 | 武汉凡谷陶瓷材料有限公司 | A kind of coated by dielectric resonator |
| CN104852118A (en) * | 2015-06-05 | 2015-08-19 | 武汉凡谷陶瓷材料有限公司 | Medium loading resonator |
| CN108370077A (en) * | 2015-12-04 | 2018-08-03 | 瑞典爱立信有限公司 | Coaxial resonator with dielectric disc |
| CN107275729A (en) * | 2016-04-08 | 2017-10-20 | 中兴通讯股份有限公司 | The assembly method of resonator, wave filter and resonator |
| CN105811051A (en) * | 2016-05-25 | 2016-07-27 | 西南交通大学 | Microminiature choke for transmission shaft in waveguide |
| CN105811051B (en) * | 2016-05-25 | 2019-04-05 | 西南交通大学 | A kind of microminiature choke for transmission shaft in waveguide |
| WO2019119658A1 (en) * | 2017-12-21 | 2019-06-27 | 香港凡谷发展有限公司 | Hybrid resonance structure including cavity and metal/dielectric rod, and filter |
| CN109950672A (en) * | 2017-12-21 | 2019-06-28 | 香港凡谷發展有限公司 | A kind of cavity metal medium bar hybrid resonant structure and filter |
| CN111010888A (en) * | 2018-08-08 | 2020-04-14 | 深圳市大富科技股份有限公司 | Resonator and cavity filter |
| CN111010888B (en) * | 2018-08-08 | 2022-08-12 | 大富科技(安徽)股份有限公司 | Resonator and cavity filter |
| CN111384488A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter and communication equipment |
| CN110459849A (en) * | 2019-08-05 | 2019-11-15 | 苏州诺泰信通讯有限公司 | A method of reducing resonance frequency |
| CN112904243A (en) * | 2021-01-18 | 2021-06-04 | 电子科技大学 | High-efficiency concentrated microwave magnetic field resonant cavity |
| CN112904243B (en) * | 2021-01-18 | 2021-12-03 | 电子科技大学 | High-efficiency concentrated microwave magnetic field resonant cavity |
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Application publication date: 20130403 |