CN205406689U - TE mould dielectric resonator device - Google Patents
TE mould dielectric resonator device Download PDFInfo
- Publication number
- CN205406689U CN205406689U CN201620122949.3U CN201620122949U CN205406689U CN 205406689 U CN205406689 U CN 205406689U CN 201620122949 U CN201620122949 U CN 201620122949U CN 205406689 U CN205406689 U CN 205406689U
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- China
- Prior art keywords
- cover plate
- mould
- cavity
- mould dielectric
- resonance device
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- 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.)
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Abstract
The utility model provides a TE mould dielectric resonator device, the cavity bottom is equipped with the spacing groove, the draw -in groove has been seted up respectively to TE01 mould medium resonance bar surface and bottom surface, supporting seat and under bracing seat clamp on the draw -in groove respectively, the under bracing seat clamps at limiting groove, go up the top and the horizontal collineation setting in cavity top of supporting seat, the apron is including interior apron and outer apron, outer apron is lapped including installing through the connecting piece, interior apron is equipped with the recess all around, be equipped with a plurality of bar grooves on the outer apron, adopt two upper and lower supporting seats to support, make TE01 mould dielectric resonator atress even, solved the drawback of traditional TE01 mould dielectric resonator long -term atress when side dress, the anti - dress, through upper and lower two supporting seats supports, can effectively transmit cavity and apron with the heat that TE01 mould medium resonance bar produced, be favorable to the heat dissipation of cavity, improve the apron design, solved because cavity that machining tolerance leads to and TE01 mould medium contact failure's problem.
Description
Technical field
This utility model relates to communication technical field, especially relates to a kind of TE mould dielectric resonance device.
Background technology
Wave filter is the main components in electronic equipment, and various power supplys, signal etc. can be filtered by it, to guarantee stability and the reliability that circuit runs.
Wave filter is the important radio frequency unit in mobile communication system, and in a communications system, wave filter ubiquity between the input/output terminal of active circuit is at different levels, each wave filter has each different functions.Wave filter is one indispensable device of wireless communication system, the communication quality of its performance quality direct relation whole system.The function of wave filter includes: avoid making receiver front end saturated owing to transmitting terminal exports signals leakiness；Remove such as the interference signal of image frequency one class；Reduce the Power leakage of the local oscillator from antenna end；And weaken the interference etc. between simultaneous different communication systems.Therefore it must have the characteristics such as precipitous rising, trailing edge decay, good group delay.
Along with the development of radio communication, wave filter research constantly makes further progress.In the radio-frequency front-end of all Modern wireless communication equipment, microencapsulated, performance are good, low cost, be easily installed the wave filter of use, are always up related device miniaturization, microminiaturized emphasis.Modern cellular mobile communication, WLAN are the development of the wireless communication technology of representative, will select to produce interference to the frequency of part successive bands.On the one hand, it is necessary to these interference are suppressed to improve the performance of system.
On the other hand, it is also required to weaken to protect other system worked well to above-mentioned air interference in some occasion, for instance when Aircraft Vectoring System works, it is desirable to the above-mentioned signal being used for wireless access purpose on aircraft is weakened.Therefore, the band elimination filter that how design performance is superior just seems very necessary.
Day by day crowded along with communications band, requires more and more higher to performance of filter, and conventional metals cavity filter, due to limited performance such as Q-value, volumes, can not meet the communication system high target requirement to wave filter.
Dielectric filter is the important means solving this contradiction.Wherein, TE01 mould dielectric resonator has Q-value height, and temperature coefficient waits well good characteristic, plays more and more important effect in dielectric filter designs.
TE01 mould dielectric resonator form and the fixing device of medium are the cores of TE01 mould dielectric filter design, and whether it rationally directly influences the electrical property of dielectric filter, passive intermodulation and reliability.
Fig. 1 is tradition TE01 mould dielectric resonator form.Wherein, TE01 mould medium resonant rod 5 is the core of TE01 mould dielectric resonator, directly determines the quality of resonator behavior.Support unit is the lower support seat 62 that aluminium oxide is made.It is provided with stopper slot, for spacing lower support seat 62 in TE01 mould medium resonant rod 5 bottom surface.The heat that TE01 mould medium resonant rod 5 produces is delivered to cavity bottom by lower support seat 62 simultaneously.TE01 mould medium resonant rod 5 is sticked together by Special high-temperature glue and lower support seat 62, forms an entirety.
Fig. 2 is tradition TE01 mould dielectric resonator fixed form in cavity.TE01 mould dielectric resonator 2 entirety in Fig. 1 is to be fixed on bottom cavity 1 by connector 7, and connector 7 is pan head screw.
Traditional TE01 mould dielectric resonator in Fig. 1 and Fig. 2 and fixed form excellent, shortcoming is as follows:
Advantage:
Simple in construction；
Easy for installation.
Shortcoming:
TE01 mould dielectric resonator is locked in cavity bottom by pan head screw, and its top is unsettled, can cause that lower support seat bottom portion stress is relatively big, and especially when cavity side fills, or when reverse side is installed, its stress is bigger, is greatly increased the risk of lower support seat bottom portion's fragmentation.
Pan head screw can affect the electrical property of TE mould dielectric resonator, and particularly in high band, pan head screw can reduce the Q-value of cavity, and meanwhile, pan head screw will cause that the first harmonic of cavity, multiple harmonic are drawn close to basic frequency, worsens near-end and suppresses.
Utility model content
The purpose of this utility model is in that to provide a kind of TE mould dielectric resonance device, to solve above-mentioned technical problem.
The TE mould dielectric resonance device that this utility model provides, including cavity, device TE01 mould dielectric resonator in cavity and lid are contained in the cover plate at cavity top, TE01 mould dielectric disc is installed bottom described cover plate, described TE01 mould dielectric resonator is made up of TE01 mould medium resonant rod and supporting seat mounted thereto, described cavity bottom is provided with stopper slot, described TE01 mould medium resonant rod surface and bottom surface offer draw-in groove respectively, on described draw-in groove, card loads onto supporting seat and lower support seat respectively, described lower support seat is installed in stopper slot, the top of described upper support seat is arranged with cavity top horizontal conllinear, cover plate includes inner cover plate and outer cover plate, described outer cover plate is arranged in inner cover plate by connector, described inner cover plate is formed around groove, outer cover plate is provided with multiple bar-shaped trough.
Further, described inner cover plate is Aluminum cover.
Further, described outer cover plate is spring steel cover plate.
Further, described upper support seat and lower support seat are alumina-supported seat.
Further, described TE01 mould medium resonant rod is microwave-medium ceramics body.
Further, described cover plate is connected as one by connector and cavity.
Further, the connector that described cover plate is arranged by annular connects as one with cavity.
Further, described connector is pan head screw.
Further, by regulating part, TE01 mould dielectric disc is installed bottom described cover plate.
Further, described regulating part is tuning screw.
The TE mould dielectric resonance device that this utility model provides, adopts above-mentioned setting so that the beneficial effects of the utility model are as follows:
1, adopt upper and lower two supporting seats to support, make TE01 mould dielectric resonator uniform force, solve tradition TE01 mould dielectric resonator drawback of long-term stress when side dress, anti-dress.
2, adopt upper and lower two supporting seats to support, the heat that TE01 mould medium resonant rod produces can be effectively passed to cavity and cover plate, be conducive to the heat radiation of cavity.
3, this patent eliminates the pan head screw that tradition TE01 mould dielectric resonator is connected with cavity, improves the passive intermodulation of dielectric filter, Q-value, harmonic wave.
4, this patent is by improving deck design, the problem solving the cavity owing to machining tolerance causes and TE01 mould dielectric resonator loose contact.
This patent is as follows to the improvement of cover plate:
1) cover plate is divided into two pieces, one piece of Aluminum cover, one piece of spring steel cover plate；
2) by Aluminum cover surrounding groove milling；
3) several bar-shaped trough opened by spring steel cover plate；
4) spring steel cover plate is pressed on Aluminum cover；
5) by the deformation of the pressure of the generation of spring steel cover plate and Aluminum cover surrounding groove milling, uptake and accumulation tolerance.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure sectional view of tradition TE01 mould dielectric resonator；
Fig. 2 is the structure sectional view of tradition TE01 mould dielectric resonance device；
Fig. 3 is the structure sectional view of this utility model TE01 mould dielectric resonator；
Fig. 4 is the structure top view of this utility model TE01 mould dielectric resonance device；
Fig. 5 is the A-A sectional view of Fig. 4；
Fig. 6 is the TE01 mould dielectric resonator height structural representation less than housing depth；
Fig. 7 is the TE01 mould dielectric resonator height structural representation more than housing depth.
Accompanying drawing labelling:
1-cavity；2-TE01 mould dielectric resonator；3-cover plate；
4-TE01 mould dielectric disc；5-TE01 mould medium resonant rod；6-supporting seat；
7-connector；8-regulating part；11-stopper slot；
31-inner cover plate；32-outer cover plate；51-draw-in groove；
61-upper support seat；62-lower support seat；311-groove；
321-bar-shaped trough.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
Embodiment one:
nullSuch as Fig. 3、Shown in Fig. 4 and Fig. 5，The structural representation of the TE mould dielectric resonance device that this utility model embodiment one provides，Including cavity 1、Device TE01 mould dielectric resonator 2 in cavity 1 and lid are contained in the cover plate 3 at cavity 1 top，TE01 mould dielectric disc 4 is installed bottom cover plate 3，TE01 mould dielectric resonator 2 is made up of TE01 mould medium resonant rod 5 and supporting seat 6 mounted thereto，Stopper slot 11 it is provided with bottom cavity 1，TE01 mould medium resonant rod 5 surface and bottom surface offer draw-in groove 51 respectively，On draw-in groove 51, card loads onto supporting seat 61 and lower support seat 62 respectively，Lower support seat 62 is installed in stopper slot 11，The top of upper support seat 61 is arranged with cavity 1 top horizontal conllinear，Cover plate 3 includes inner cover plate 31 and outer cover plate 32，Outer cover plate 32 is arranged in inner cover plate 31 by connector 7，Inner cover plate 31 is formed around groove 311，Outer cover plate 32 is provided with multiple bar-shaped trough 321，Bar-shaped trough 321 ring is located on outer cover plate 32，The quantity of bar-shaped trough 321 is eight；Inner cover plate 31 is Aluminum cover, and outer cover plate 32 is spring steel cover plate；Upper support seat 61 and lower support seat 62 are alumina-supported seat；The height of upper support seat 61 is highly consistent with lower support seat 62；TE01 mould medium resonant rod 5 is microwave-medium ceramics body, microwave-medium ceramics refers to and is applied to microwave frequency band, mainly UHF, SHF frequency range, as dielectric material the pottery completing one or more functions in 300MHz～300GHz circuit, mainly adapts to the growth requirement of microwave mobile communication；Cover plate 3 is connected as one by connector 7 and cavity 1；The connector 7 that cover plate 3 is arranged by annular connects as one with cavity 1；Connector 7 is pan head screw；By regulating part 8, TE01 mould dielectric disc 4 is installed bottom cover plate 3；Regulating part 8 is tuning screw.
Having the technical effect that of embodiment one
1, adopt upper and lower two supporting seats to support, make TE01 mould dielectric resonator uniform force, solve tradition TE01 mould dielectric resonator drawback of long-term stress when side dress, anti-dress.
2, adopt upper and lower two supporting seats to support, the heat that TE01 mould medium resonant rod produces can be effectively passed to cavity and cover plate, be conducive to the heat radiation of cavity.
3, this patent eliminates the pan head screw that tradition TE01 mould dielectric resonator is connected with cavity, improves the passive intermodulation of dielectric filter, Q-value, harmonic wave.
4, this patent is by improving deck design, the problem solving the cavity owing to machining tolerance causes and TE01 mould dielectric resonator loose contact.
This patent is as follows to the improvement of cover plate:
1) cover plate is divided into two pieces, one piece of Aluminum cover, one piece of spring steel cover plate；
2) by Aluminum cover surrounding groove milling；
3) several bar-shaped trough opened by spring steel cover plate；
4) spring steel cover plate is pressed on Aluminum cover；
5) by the deformation of the pressure of the generation of spring steel cover plate and Aluminum cover surrounding groove milling, uptake and accumulation tolerance.
It should be noted that under normal circumstances, due to the existence of mismachining tolerance, cause that TE01 mould dielectric resonator 2 and cavity 1 are incomplete same on height dimension.
As shown in Figure 6, TE01 mould dielectric resonator 2 height less than cavity 1 height structural representation, TE01 mould dielectric resonator 2 height less than cavity 1 height, between TE01 mould dielectric resonator 2 and cover plate 3 cannot compact siro spinning technology, cause loose contact.
As shown in Figure 7, TE01 mould dielectric resonator 2 height is more than the structural representation of cavity 1 height, TE01 mould dielectric resonator 2 height is more than cavity 1 height, cover plate 3 and cavity 1 by after pan head screw compact siro spinning technology, and cover plate 3 is just likely to a TE01 mould dielectric resonator 2 and crushes.Simultaneously as TE01 mould dielectric resonator 2 has different thermal coefficient of expansions from metal, TE01 mould dielectric resonator 2 and Metal contacts there will be mechanical stress, thus causing loose contact and resonant frequency drift.
It should be noted that bar-shaped trough 321 quantity on outer cover plate 32 is according to using needs to be configured.
Embodiment two:
The present embodiment is the further improvement to the TE mould dielectric resonance device that embodiment one provides, and on the basis of the structure of embodiment one, on outer cover plate 32, the quantity of bar-shaped trough 321 is set to six.
Embodiment three:
The present embodiment is the further improvement to the TE mould dielectric resonance device that embodiment one provides, and on the basis of the structure of embodiment one, on outer cover plate 32, the quantity of bar-shaped trough 321 is set to seven.
Embodiment four:
The present embodiment is the further improvement to the TE mould dielectric resonance device that embodiment one provides, and on the basis of the structure of embodiment one, on outer cover plate 32, the quantity of bar-shaped trough 321 is set to nine.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model.
Claims (10)
1. a TE mould dielectric resonance device, including cavity, device TE01 mould dielectric resonator in cavity and lid are contained in the cover plate at cavity top, TE01 mould dielectric disc is installed bottom described cover plate, described TE01 mould dielectric resonator is made up of TE01 mould medium resonant rod and supporting seat mounted thereto, it is characterized in that, described cavity bottom is provided with stopper slot, described TE01 mould medium resonant rod surface and bottom surface offer draw-in groove respectively, on described draw-in groove, card loads onto supporting seat and lower support seat respectively, described lower support seat is installed in stopper slot, the top of described upper support seat is arranged with cavity top horizontal conllinear, cover plate includes inner cover plate and outer cover plate, described outer cover plate is arranged in inner cover plate by connector, described inner cover plate is formed around groove, outer cover plate is provided with multiple bar-shaped trough.
2. TE mould dielectric resonance device according to claim 1, it is characterised in that described inner cover plate is Aluminum cover.
3. TE mould dielectric resonance device according to claim 1, it is characterised in that described outer cover plate is spring steel cover plate.
4. TE mould dielectric resonance device according to claim 1, it is characterised in that described upper support seat and lower support seat are alumina-supported seat.
5. TE mould dielectric resonance device according to claim 1, it is characterised in that described TE01 mould medium resonant rod is microwave-medium ceramics body.
6. TE mould dielectric resonance device according to claim 1, it is characterised in that described cover plate is connected as one by connector and cavity.
7. TE mould dielectric resonance device according to claim 6, it is characterised in that the connector that described cover plate is arranged by annular connects as one with cavity.
8. TE mould dielectric resonance device according to claim 7, it is characterised in that described connector is pan head screw.
9. TE mould dielectric resonance device according to claim 1, it is characterised in that be provided with TE01 mould dielectric disc by regulating part bottom described cover plate.
10. TE mould dielectric resonance device according to claim 9, it is characterised in that described regulating part is tuning screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620122949.3U CN205406689U (en) | 2016-02-16 | 2016-02-16 | TE mould dielectric resonator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620122949.3U CN205406689U (en) | 2016-02-16 | 2016-02-16 | TE mould dielectric resonator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406689U true CN205406689U (en) | 2016-07-27 |
Family
ID=56447430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620122949.3U Withdrawn - After Issue CN205406689U (en) | 2016-02-16 | 2016-02-16 | TE mould dielectric resonator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205406689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576330A (en) * | 2016-02-16 | 2016-05-11 | 苏州子波电子科技有限公司 | Te mode dielectric resonator device |
-
2016
- 2016-02-16 CN CN201620122949.3U patent/CN205406689U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576330A (en) * | 2016-02-16 | 2016-05-11 | 苏州子波电子科技有限公司 | Te mode dielectric resonator device |
| CN105576330B (en) * | 2016-02-16 | 2018-03-13 | 苏州子波电子科技有限公司 | TE mould dielectric resonance devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20180313 |