CN207368195U - A kind of lift-on/lift-off type resonator device - Google Patents
A kind of lift-on/lift-off type resonator device Download PDFInfo
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- CN207368195U CN207368195U CN201721552921.4U CN201721552921U CN207368195U CN 207368195 U CN207368195 U CN 207368195U CN 201721552921 U CN201721552921 U CN 201721552921U CN 207368195 U CN207368195 U CN 207368195U
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- resonator
- cover plate
- lift
- upper cover
- test
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Abstract
The utility model discloses a kind of lift-on/lift-off type resonator device, including only upper surface into ringent resonator, the upper cover plate above resonator, the driving structure for controlling resonator to move up and down, the upper cover plate is lifted on the inner top of vacuum chamber by hoisting structure, is provided with the lower surface of the upper cover plate for moving spacing limiting device to resonator.This programme resonator uses upper surface hatch frame, split structure is used between upper cover plate, applying stressed mode by driving structure makes resonator cavity and integrated cover plate combine closely, whole cavity resonator structure is not required screw to fix, not only the reduction of resonator wall can have been made, but also can be to avoid screw stripped thread；The use that total eliminates screw reduces the wall thickness of resonator, resonator difficulty of processing is reduced, reasonable distribution weight, avoids because the bad phenomenon such as stripped thread caused by dead weight, improve test structure and reuse number, reduce the cost that single test is shared equally.
Description
Technical field
It the utility model is related to resonator technical field, and in particular to it is special that one kind is suitable for dielectric material under ultra-high temperature condition
Property test lift-on/lift-off type resonator device.
Background technology
Dielectric material characteristic test is that radome designs unavoidable problem.With various Flight Vehicle Design flying speeds
Higher and higher, for its radome surface temperature due to rubbing and pneumatically radiate, temperature usually all can be more than 1000 DEG C.Temperature
Degree rise the dielectric property of radome material can be caused to change, not as dielectric constant and loss make tangent to change,
Radar signal/reception power and phase can be caused to change during two the two numerical value changes, so as to influence the type of radar
Energy.Therefore, radome dielectric material characteristic in the case of correct measurement ＆ characterization superhigh temperature, for Radar Design personnel selection radar
Cover material is most important.
It is mainly the following for the method for low-loss material dielectric property test, is parallel plate capacitor method respectively, passes
Defeated collimation method resonant cavity method.These types of method respectively has quality, the test being respectively suitable in the case of different materials and test frequency
Environment.Parallel plate capacitor method is suitable for plate material, and measuring accuracy is high, but test frequency only up to arrive 1GHz；Transmission line
Method is that detected materials are packed among transmission line, its dielectric property parameter is calculated by/reflection parameters by measuring it,
The material that needs a person with the qualifications of a general is processed into designated shape, fine structure processing difficulties under high frequency situations；Resonant-cavity Method is to place detected materials
In cavity resonator structure, the dielectric property of material, this method are calculated by Q value of cavity change before and after measurement loading material
Calculate accurately, can accurately measure and extremely low material is lost.
The test of hyperthermal material dielectric property is primarily limited to the resonator of carrying and test material.Common structure is usual
It is that each resonance chamber lid, resonance chamber lid are fixed on cylindrical facade by the high-temperature material screw of customization, usually deposited up and down
In following material and configuration aspects deficiency：
Adopt be screwed resonance chamber lid, the structure of lower resonance chamber lid resonant cavity cavity, it is necessary to cavity have it is enough
Wall thickness opens threaded hole, but can so increase the weight of whole resonator.Cavity can only be born by screw after installation is complete
The dead weight of cavity in itself is limited, in hot environment, be easy to cause stripped thread, i.e., can reduce measuring accuracy and repeatability, and increase is surveyed
Try cost.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of lift-on/lift-off type resonator device.
The utility model is achieved through the following technical solutions：
A kind of lift-on/lift-off type resonator device, including only upper surface is into ringent resonator, upper above resonator
Cover board, the driving structure for controlling resonator to move up and down, the upper cover plate are lifted in vacuum chamber by hoisting structure
Top, is provided with the lower surface of the upper cover plate for moving spacing limiting device to resonator.This programme resonator is adopted
With upper surface hatch frame, split structure is used between upper cover plate, applying stressed mode by driving structure makes resonance
Chamber cavity and integrated cover plate are combined closely, and whole cavity resonator structure is not required screw to fix, and resonator wall can both dropped
It is low, and can be to avoid screw stripped thread；The use that total eliminates screw reduces the wall thickness of resonator, reduces resonator
Difficulty of processing, reasonable distribution weight, avoids, because the bad phenomenon such as stripped thread caused by dead weight, improving test structure reuse
Number, reduces the cost that single test is shared equally.Using the structure, all weight is distributed into hoisting structure and driving is tied
Structure, makes system load-bearing capacity increase under same volume.Using hoisting structure, resonator input/output end port transmission line can root
The time needed for test environment is built into upper cover plate integral replacing, reduction according to different test frequency ranges.Transmission line structure is succinct, no
Need the extra backing material such as refractory brick.
Preferably, hoisting structure includes the hoisting bracket for being arranged on upper cover plate both ends, hoisting bracket both ends pass through respectively
Bolt is connected with vacuum chamber, upper cover plate.()
Preferably, the horizontal cross-section of limiting device, into circle, it is straight with the diameter and resonator of the junction of upper cover plate
Footpath is equal, and its diameter gradually increases from the connecting pin of upper cover plate to the other end, it is horn-like.Limiting device limits resonator
, resonator upper end is bonded with upper cover plate in test process, makes resonator that relative displacement not occur in the horizontal direction with upper cover plate,
Realize precise positioning of the resonator in uphill process.Limiting device is arranged to horn-like, resonator, will not in uphill process
Collide with limiting device, and if position unpunctual between limiting device and resonator, slow error correction can be played the role of, it is real
Existing precise positioning.Horn-like structure inclined-plane is smooth, and resistance smaller when being contacted with resonator tapered outer surface, resonator receives damage
Smaller, protects resonator, improves resonator and reuses number.
Preferably, the lower part of the resonator is provided with the thermocouple hole for placing thermocouple.Due to existing resonance
The limitation of cavity configuration, thermocouple use cluster structure, it is only capable of test resonator surface temperature, and test is inaccurate.Using this
The structure of scheme, you can in the setting thermocouple hole in the bottom of resonator, you can thermocouple is goed deep into heating part bottom, is carried
High measurement is accurate.
Further, the central axis of the thermocouple hole and resonator.Using the structure, made easy to perforate.
Preferably, the driving structure includes hydraulic stem and the hydraulic station for driving hydraulic stem to move up and down.
The utility model compared with prior art, has the following advantages and advantages：
1st, the resonator of the utility model uses upper surface hatch frame, and split structure is used between upper cover plate, leads to
Structure of overdriving, which applies stressed mode, makes resonator cavity and integrated cover plate combine closely, and whole cavity resonator structure need not
Screw is fixed, and can not only make the reduction of resonator wall, but also can be to avoid screw stripped thread；Total eliminates the use drop of screw
The low wall thickness of resonator, reduces resonator difficulty of processing, reasonable distribution weight, avoids because stripped thread etc. is no caused by dead weight
Good phenomenon, improves test structure and reuses number, reduces the cost that single test is shared equally.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.
Fig. 1 is the stereogram of the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is that the upper cover plate of the utility model and resonator are in discrete state detail view.
Fig. 4 is the utility model upper cover plate bottom surface view.
Fig. 5 is the sectional view of the upper cover plate of the utility model.
Reference numeral in figure is entitled：
1st, vacuum chamber；2nd, hoisting bracket；3rd, upper cover plate；4th, resonator；5th, thermocouple hole, 6, hydraulic stem；7th, limiting device；
8th, hydraulic station；9th, coupled structure.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment 1
A kind of lift-on/lift-off type resonator device as shown in Figure 1, 2, 3, including only upper surface is into ringent resonator 4, position
Upper cover plate 3 above resonator 4, the driving structure for controlling resonator 4 to move up and down；The only upper surface of resonator 4 is into opening
Mouthful shape, i.e., it is into cylindrical shape.During test, driving structure driving resonator 4 is moved up to be bonded with upper cover plate 3；In test process, driving
Structure is continuously applied fixation pressure and ensures that relative displacement does not occur for integrated upper cover plate 3 and cylindrical shape resonator 4 in test process
Even dropping situations.Upper cover plate 3 is lifted on the inner top of vacuum chamber 1 by hoisting structure, is provided with the lower surface of upper cover plate 3
For moving spacing limiting device 7 to resonator 4, it is ensured that close with upper cover plate 3 after resonator 4 is accurately positioned with upper cover plate 3
Contact.It should be noted that the noun of locality all in present specification, for example：Upper, lower, horizontal etc., when referring both to normal use,
State orientation word i.e. in test process.
The resonator device of the present embodiment is applicable to dielectric material characteristic test under ultra-high temperature condition, is equally applicable to it
The dielectric material characteristic test of his condition, total are not required screw hole to fix, solve resonator upper and lower cover plates load-bearing and ask
Topic and stripped thread problem.
Embodiment 2
The present embodiment refines said structure on the basis of above-mentioned implementation principle and structure, i.e., as shown in Figure 1, hanging
Assembling structure includes the hoisting bracket 2 for being arranged on 3 both ends of upper cover plate, and hoisting bracket both ends pass through bolt and vacuum chamber 1, upper cover respectively
Plate 3 connects.Vacuum chamber 1 can be made of stainless steel material.Symmetrical coupled structure 9 is set on upper cover plate 3, including and not only
It is limited to coupling aperture, coupling ring and coupling probe.Coupled structure 9 is placed in limiting device 7, the knot as test microwave signal coupling
Structure.
As shown in Figure 4,5, the horizontal cross-section of limiting device 7 is into circle, its diameter and resonance with the junction of upper cover plate 3
4 diameter of chamber is equal, resonator 4 is not occurred relative displacement when being bonded with upper cover plate in the horizontal plane, and from the company of upper cover plate 3
Connecing end, its diameter gradually increases to the other end.Limiting device 7 also can use etc. gauge structure, still, using the structure, resonator 4
During moving up and down, both meetings rub, and are unfavorable for the protection to resonator.
The lower part of resonator 4 is provided with the thermocouple hole 5 for placing thermocouple, specifically, thermocouple hole and resonator 4
Central axis, it is horizontal.Thermocouple can use Type B thermocouple, real-time monitoring and test temperature.
As shown in Figure 1, driving structure can use hydraulic stem 6 and 8 structure of hydraulic station for driving hydraulic stem 6 to move up and down
Realize, 6 one end of hydraulic stem is located in vacuum chamber, and the other end is connected with hydraulic station 8 outside vacuum chamber.Resonator 4 can pass through spiral shell
Line is connected fixation with hydraulic stem.
Using the structure of the present embodiment, resonator 4 is pressed by driving structure to be realized and is fitted closely with upper cover plate 3, with
It is not required any screw to fix between upper cover plate.Configuration aspects are as a result of Split type structure, by applying stressed mode
Resonator and upper cover plate is set to combine closely, whole cavity resonator structure is not required pin to fix, and can both make the reduction of resonator wall,
Again can be to avoid screw stripped thread.All weight is distributed to hoisting bracket and hydraulic stem, same volume by two-piece unit formula structure
Lower system load-bearing capacity increase.
Embodiment 3
The present embodiment optimizes on the basis of above-described embodiment, i.e., the making materials such as resonator is optimized, humorous
Shake chamber 4, upper cover plate 3 is made using tantalum, and the lower surface of 4 inner surface of resonator and upper cover plate 3 is coated with one layer of iridium；Hang
Assembling structure and hydraulic stem 6 are made of iron-cobalt-nickel high temperature alloy.Resonator 4 and upper cover plate are made using tantalum, solve existing stone
Ink material manufacture resonator is fragile, molybdenum material resonator is unable to proper testing, platinum-rhodium alloy in the case of higher than 1100 DEG C
Manufacture the problem of resonator is costly.
During using the device to test dielectric constant of the dielectric material, coupled waveguide knot is installed in 9 position of coupled structure first
Structure and waveguide-coax transition device, cavity resonant frequency point and Q values under cavity state are measured by Network Analyzer, then will
Disc-shaped material is put into cylinder resonator, and resonator can use sensing heating or conduction heating, Network Analyzer test letter
Number from coupled structure pass in and out, measurement obtain hot conditions loading material after cavity Q values and resonance frequency point, calculated by algorithm
To the dielectric constant and loss angle tangent of gusset material.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of lift-on/lift-off type resonator device, it is characterised in that including only upper surface into ringent resonator (4), positioned at humorous
Shake the upper cover plate (3) above chamber (4), the driving structure for controlling resonator (4) to move up and down, the upper cover plate (3) passes through
Hoisting structure is lifted on the inner top of vacuum chamber (1), is provided with the lower surface of the upper cover plate (3) for resonator (4)
Mobile spacing limiting device (7).
2. a kind of lift-on/lift-off type resonator device according to claim 1, it is characterised in that the hoisting structure includes setting
Hoisting bracket (2) at upper cover plate (3) both ends, the hoisting bracket both ends pass through bolt and vacuum chamber (1), upper cover plate respectively
(3) connect.
A kind of 3. lift-on/lift-off type resonator device according to claim 1, it is characterised in that the water of the limiting device (7)
For plane section into circle, it is equal with resonator (4) diameter with the diameter of the junction of upper cover plate (3), and from the company of upper cover plate (3)
Connecing end, its diameter gradually increases to the other end.
A kind of 4. lift-on/lift-off type resonator device according to claim 1, it is characterised in that the lower part of the resonator (4)
It is provided with the thermocouple hole (5) for placing thermocouple.
5. a kind of lift-on/lift-off type resonator device according to claim 4, it is characterised in that the thermocouple hole and resonator
(4) central axis.
6. a kind of lift-on/lift-off type resonator device according to claim 1, it is characterised in that the driving structure includes hydraulic pressure
Bar (6) and the hydraulic station (8) for driving hydraulic stem (6) to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721552921.4U CN207368195U (en) | 2017-11-20 | 2017-11-20 | A kind of lift-on/lift-off type resonator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721552921.4U CN207368195U (en) | 2017-11-20 | 2017-11-20 | A kind of lift-on/lift-off type resonator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368195U true CN207368195U (en) | 2018-05-15 |
Family
ID=62343933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721552921.4U Withdrawn - After Issue CN207368195U (en) | 2017-11-20 | 2017-11-20 | A kind of lift-on/lift-off type resonator device |
Country Status (1)
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| CN (1) | CN207368195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819183A (en) * | 2017-11-20 | 2018-03-20 | 四川中测微格科技有限公司 | A kind of lift-on/lift-off type resonator device |
-
2017
- 2017-11-20 CN CN201721552921.4U patent/CN207368195U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819183A (en) * | 2017-11-20 | 2018-03-20 | 四川中测微格科技有限公司 | A kind of lift-on/lift-off type resonator device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180515 Effective date of abandoning: 20200901 |
|
| AV01 | Patent right actively abandoned |