CN203691382U - High temperature superconductive receiving front end device used for space - Google Patents
High temperature superconductive receiving front end device used for space Download PDFInfo
- Publication number
- CN203691382U CN203691382U CN201320860421.2U CN201320860421U CN203691382U CN 203691382 U CN203691382 U CN 203691382U CN 201320860421 U CN201320860421 U CN 201320860421U CN 203691382 U CN203691382 U CN 203691382U
- Authority
- CN
- China
- Prior art keywords
- receiving front
- end device
- adiabatic
- low noise
- noise amplifier
- 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
Images
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
- Structure Of Receivers (AREA)
Abstract
The utility model relates to a high temperature superconductive receiving front end device used for space, comprising a refrigerating machine, a vacuum Dewar, and a superconductive filter and a low temperature amplifier arranged inside the vacuum Dewar; wherein one end of the superconductive filter is fixedly arranged in the vacuum Dewar through a heat insulation supporting structure, the other end of the superconductive filter is connected with the low temperature amplifier; a heat conducting belt is arranged between the superconductive filter and the low temperature amplifier, one end of the heat conducting belt is arranged between the superconductive filter and the low temperature amplifier, the other end of the heat conducting belt is connected with a cold head of the refrigerating machine; the superconductive filter and the low temperature amplifier are arranged vertically; the heat insulation supporting structure comprises a heat insulation supporting plate and heat insulation poles, one end of the each heat insulation pole is fixedly connected with the heat insulation supporting plate, the other end of the each heat insulation pole is fixedly connected with a bottom of the vacuum Dewar; the heat conduction belt is a multilayer copper foil; both the superconductive filter and the low temperature amplifier are provided with thermal insulation layers at periphery. The high temperature superconductive receiving front end device of the utility model not only reduces the volume of the receiving front end, but also ensures structural stability of the receiving front end as well as low thermal capacity and low heat leakage of a system, thereby raising performance and operating stability of the receiving front end.
Description
Technical field
The utility model relates to microwave technical field, is specifically related to a kind of space high-temperature superconductor receiving front-end device.
Background technology
In the field such as long-range detection and space astronomy, high-temperature superconductor receiving front-end is used widely because of the characteristic with low-loss, high Out-of-band rejection.High-temperature superconductor receiving front-end can not only effectively improve receiving ability and the signal handling capacity of receiver, also can reduce the high-power impact on periphery biotic environment and electronic equipment, improves the antijamming capability of self.Existing high-temperature superconductor receiving front-end all adopts plane formula mounting structure, super conductive filter and cryogenic low noise amplifier is arranged on cold drawing side by side, then cold drawing is coupling on refrigeration machine cold head.This mounting structure not only takes up room greatly, thermal capacitance is high, and system is leaked heat greatly, also refrigeration machine is had higher requirement.In the time that high-temperature superconductor front end receives larger vibratory impulse, such as 30G acceleration impacts, the refrigeration machine cold finger deflection 5mm that will exceed the maximum, causes refrigeration machine to damage, and affects reception and the processing of spacing wave.
Utility model content
The purpose of this utility model is to provide a kind of space high-temperature superconductor receiving front-end device, this device adopts super conductive filter and cryogenic low noise amplifier to be and is arranged above and below, reduce the volume of receiving front-end, and ensure the stability of receiving front-end structure and low heat capacity and the low leakage heat of system with adiabatic supporting construction and flexible thermal conductive belt, thereby performance and the job stability of receiving front-end are improved.
For achieving the above object, the utility model has adopted following technical scheme:
High-temperature superconductor receiving front-end device for a kind of space, comprises refrigeration machine, vacuum dewar and is located at super conductive filter and the cryogenic low noise amplifier in vacuum dewar.The decompressor that refrigeration machine comprises compressor and is electrically connected with compressor, decompressor is connected with vacuum dewar, and decompressor and vacuum dewar junction adopt the seal with elastometic washer of O type.Super conductive filter one end is installed in vacuum dewar by adiabatic supporting construction, and the other end is connected with cryogenic low noise amplifier.Between super conductive filter and cryogenic low noise amplifier, be provided with thermal conductive belt, thermal conductive belt one end is between super conductive filter and cryogenic low noise amplifier, and the other end is connected with refrigeration machine cold head.By screw, vacuum dewar and refrigeration machine are fixed on support baseboard.Specifically, super conductive filter and cryogenic low noise amplifier are and are arranged above and below.Thermal conductive belt is flexible thermal conductive belt, and flexible thermal conductive belt not only can be delivered to super conductive filter and cryogenic low noise amplifier by the cold of refrigeration machine cold head, can also alleviate the impact of foreign impacts power to refrigeration machine cold head.
Described vacuum dewar is to provide vacuum environment for super conductive filter and cryogenic low noise amplifier, is formed by stainless steel welding.Vacuum dewar adopts cylinder mode, is provided with decompressor interface, SMA signal input interface, SMA signal output interface, power interface on sidewall.Be connected and carry out the transmission of signal with the input of SMA signal, output interface by SMA radio frequency cable.The upper and lower end face of vacuum dewar is all detachable, and between upper and lower end face and cavity, all adopts O type rubber ring to seal.The SMA radio frequency cable that receiving front-end device described in the utility model adopts is low-loss microwave cable, cable size scope is φ 2 ~ φ 4mm, length range is 100mm ~ 150mm, adopts the radio frequency cable of this specification, can ensure receiving front-end signal transmission performance.
By the mode that adopts upper and lower eclipsed form to arrange super conductive filter and cryogenic low noise amplifier, can greatly reduce the spatial volume that super conductive filter and cryogenic low noise amplifier take, thereby reduce the system thermal capacitance of receiving front-end and the leakage heat of system, quickening temperature fall time.By connecting refrigeration machine cold head and super conductive filter and cryogenic low noise amplifier with thermal conductive belt, can reduce the stress deformation causing that is hit of refrigeration machine cold head, improve the stability of refrigeration machine.By adopting adiabatic supporting construction to support the super conductive filter being arranged above and below and cryogenic low noise amplifier, can ensure that receiving system, in the time receiving external impulsive force, can not cause damage to refrigeration machine, improve the stability of receiving front-end structure.
Described adiabatic supporting construction comprises adiabatic support plate and adiabatic pole, and adiabatic pole one end and adiabatic support plate are fixedly linked, and the other end and vacuum dewar bottom are fixedly linked.Specifically, described adiabatic pole is glass fabric rod, and Fiber glass rod is as reinforcing material, to make a kind of composite material of basis material using glass fibre and goods (glass cloth, band, felt, yarn etc.) thereof with synthetic resin.Fiber glass rod has the features such as high-strength light, corrosion resistance and good, good electrical property, hot property be good.Described adiabatic pole comprises that 2 are shored pole and 2 stubborn pressure poles.Place by shoring pole diagonal angle by 2,2 are twisted and press pole diagonal angle to place, thereby ensured the stability of super conductive filter and cryogenic low noise amplifier structure.Described adiabatic pole one end is pyramidal structure, by adopting pyramidal structure, can reduce the contact area of adiabatic pole and adiabatic support plate, and minimizing system is leaked heat.Described adiabatic support plate is glass fibre fabric swatch, be the planar structure of being made up of glass fabric rod, adiabatic support plate is provided with installing hole for being fixedly connected with super conductive filter, cryogenic low noise amplifier and flexible thermal conductive belt and installing hole for being fixedly connected with adiabatic pole.
Described thermal conductive belt is multilayer copper foil.Preferably, described copper thickness is 0.02mm.First by the Copper Foil cold welding of multilayer 0.02mm, then the multilayer copper foil after cold welding is carried out to bore hole bending and make thermal conductive belt, by screw, the thermal conductive belt after moulding is installed on refrigeration machine cold head.According to many experiments data and emulation testing, to select Copper Foil that 0.02mm is thick to carry out cold welding and made flexible thermal conductive belt, this copper thickness can meet the demand of cold conduction, has again certain flexibility external force is had to cushioning effect.
Described super conductive filter and cryogenic low noise amplifier periphery are equipped with heat insulation layer.Specifically, described heat insulation layer is metallized film or glass fabric.By wrapping up 20 layers at super conductive filter and cryogenic low noise amplifier periphery with metallized film or glass fabric, can reduce systems radiate and leak heat.
Advantage of the present utility model:
(1) the utility model is by the mode that adopts upper and lower eclipsed form to arrange super conductive filter and cryogenic low noise amplifier, can greatly reduce the spatial volume that super conductive filter and cryogenic low noise amplifier take, thereby reduce the system thermal capacitance of receiving front-end and the leakage heat of system, accelerated temperature fall time.
(2) the utility model is by connecting refrigeration machine cold head and super conductive filter and cryogenic low noise amplifier with thermal conductive belt, can reduce the stress deformation causing that is hit of refrigeration machine cold head, improves the stability of refrigeration machine.
(3) the utility model is by adopting adiabatic supporting construction to support the super conductive filter being arranged above and below and cryogenic low noise amplifier, can ensure that receiving system is in the time receiving external impulsive force, can not cause damage to refrigeration machine, improve the stability of receiving front-end structure.
(4) the utility model, by wrapping up 20 layers at super conductive filter and cryogenic low noise amplifier periphery with metallized film or glass fabric, can reduce systems radiate and leak heat.
Known according to test of many times result, the utility model is that under 65K, insertion loss is less than 0.8dB in temperature environment, and squareness factor is less than 2, and inhibition degree is greater than 70 dB, and system vibration and shock resistant speed is 30G, and volume and weight is less than existing receiving front-end device.In sum, high-temperature superconductor receiving front-end device described in the utility model not only greatly reduced superconduction receiving front-end volume size and leak heat power consumption, also improved stability and the useful life of refrigeration machine, and install simple and convenient, be easy to safeguard use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of thermal conductive belt of the present utility model.
Wherein:
1, vacuum dewar, 2, support baseboard, 3, compressor, 4, decompressor, 5, adiabatic pole, 6, radio frequency cable, 7, cryogenic low noise amplifier, 8, adiabatic support plate, 9, super conductive filter, 10, thermal conductive belt, 11, cold welding region.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
High-temperature superconductor receiving front-end device for a kind of space as shown in Figure 1 and Figure 2, comprises that refrigeration machine, vacuum dewar and 1 are located at super conductive filter 9 and the cryogenic low noise amplifier 7 in vacuum dewar 1.The decompressor 4 that refrigeration machine comprises compressor 3 and is electrically connected with compressor 3, decompressor 4 is connected with vacuum dewar 1, and decompressor 4 adopts the seal with elastometic washer of O type with vacuum dewar 1 junction.Super conductive filter 9 one end are installed in vacuum dewar 1 by adiabatic supporting construction, and the other end is connected with cryogenic low noise amplifier 7.Between super conductive filter 9 and cryogenic low noise amplifier 7, be provided with thermal conductive belt 10, one end of thermal conductive belt 10 is between super conductive filter 9 and cryogenic low noise amplifier 7, and the other end is connected with refrigeration machine cold head.By screw, vacuum dewar 1 and refrigeration machine are fixed on support baseboard 2.Specifically, super conductive filter 9 is and is arranged above and below with cryogenic low noise amplifier 7.Thermal conductive belt 10 is flexible thermal conductive belt, and flexible thermal conductive belt not only can be delivered to super conductive filter and cryogenic low noise amplifier by the cold of refrigeration machine cold head, can also alleviate the impact of foreign impacts power to refrigeration machine cold head.
Further, described vacuum dewar 1 is for super conductive filter 9 and cryogenic low noise amplifier 7 provide vacuum environment, is formed by stainless steel welding.Vacuum dewar 1 adopts cylinder mode, is provided with decompressor interface, SMA signal input interface, SMA signal output interface, power interface on sidewall.Be connected and carry out the transmission of signal with the input of SMA signal, output interface by SMA radio frequency cable 6.The upper and lower end face of vacuum dewar 1 is all detachable, and between upper and lower end face and cavity, all adopts O type rubber ring to seal.The SMA radio frequency cable 6 that receiving front-end device described in the utility model adopts is low-loss microwave cable, cable size scope is φ 2 ~ φ 4mm, length range is 100mm ~ 150mm, adopts the radio frequency cable of this specification, can ensure receiving front-end signal transmission performance.
By the mode that adopts upper and lower eclipsed form to arrange super conductive filter 9 and cryogenic low noise amplifier 7, can greatly reduce the spatial volume that super conductive filter 9 and cryogenic low noise amplifier 1 take, thereby reduce the system thermal capacitance of receiving front-end and the leakage heat of system, accelerated temperature fall time.By connect refrigeration machine cold head and super conductive filter 9 and cryogenic low noise amplifier 7 with thermal conductive belt 10, can reduce the stress deformation causing that is hit of refrigeration machine cold head, improve the stability of refrigeration machine.By adopting adiabatic supporting construction to support with cryogenic low noise amplifier 7 super conductive filter 9 being arranged above and below, can ensure that receiving system, in the time receiving external impulsive force, can not cause damage to refrigeration machine, improve the stability of receiving front-end structure.
Further, described adiabatic supporting construction comprises adiabatic support plate 8 and adiabatic pole 5, and one end of adiabatic pole 5 and adiabatic support plate 8 are fixedly linked, and the bottom of the other end and vacuum dewar 1 is fixedly linked.Specifically, described adiabatic pole 5 is glass fabric rod, and Fiber glass rod is as reinforcing material, to make a kind of composite material of basis material using glass fibre and goods (glass cloth, band, felt, yarn etc.) thereof with synthetic resin.Fiber glass rod has the features such as high-strength light, corrosion resistance and good, good electrical property, hot property be good.Described adiabatic pole 5 comprises that 2 are shored pole and 2 stubborn pressure poles.Place by shoring pole diagonal angle by 2,2 are twisted and press pole diagonal angle to place, thereby ensured the stability of super conductive filter 9 with cryogenic low noise amplifier 7 structures.One end of described adiabatic pole 5 is pyramidal structure, by adopting pyramidal structure, can reduce the contact area of adiabatic pole 5 and adiabatic support plate 8, and minimizing system is leaked heat.Described adiabatic support plate 8 is glass fibre fabric swatch, be the planar structure of being made up of glass fabric rod, adiabatic support plate 8 is provided with installing hole for being fixedly connected with super conductive filter 9, cryogenic low noise amplifier 7 and flexible thermal conductive belt 10 and installing hole for being fixedly connected with adiabatic pole 5.
Further, as shown in Figure 3, described thermal conductive belt 10 is multilayer copper foil.Preferably, described copper thickness is 0.02mm.First by the Copper Foil cold welding of multilayer 0.02mm, then the multilayer copper foil after cold welding is carried out to bore hole bending and make thermal conductive belt 10, by screw, the thermal conductive belt after moulding 10 is installed on refrigeration machine cold head.Fig. 3 empty place is cold welding region 11.According to many experiments data and emulation testing, to select Copper Foil that 0.02mm is thick to carry out cold welding and made flexible thermal conductive belt, this copper thickness can meet the demand of cold conduction, has again certain flexibility external force is had to cushioning effect.
Further, described super conductive filter 9 and cryogenic low noise amplifier 7 peripheries are equipped with heat insulation layer.Specifically, described heat insulation layer is metallized film or glass fabric.By wrapping up 20 layers at super conductive filter and cryogenic low noise amplifier periphery with metallized film or glass fabric, can reduce systems radiate and leak heat.
Known according to many experiments result, the utility model is that under 65K, insertion loss is less than 0.8dB in temperature environment, and squareness factor is less than 2, and inhibition degree is greater than 70 dB, and system vibration and shock resistant speed is 30G, and volume and weight is less than existing receiving front-end device.In sum, high-temperature superconductor receiving front-end device described in the utility model not only greatly reduced superconduction receiving front-end volume size and leak heat power consumption, also improved stability and the useful life of refrigeration machine, and install simple and convenient, be easy to safeguard use.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection range of the utility model claims.
Claims (10)
1. a high-temperature superconductor receiving front-end device for space, comprise refrigeration machine, vacuum dewar and be located at super conductive filter and the cryogenic low noise amplifier in vacuum dewar, the decompressor that described refrigeration machine comprises compressor and is electrically connected with compressor, described decompressor is connected with vacuum dewar, it is characterized in that: described super conductive filter one end is installed in vacuum dewar by adiabatic supporting construction, and the other end is connected with cryogenic low noise amplifier; Between described super conductive filter and cryogenic low noise amplifier, be provided with thermal conductive belt, described thermal conductive belt one end is between super conductive filter and cryogenic low noise amplifier, and the other end is connected with refrigeration machine cold head.
2. high-temperature superconductor receiving front-end device for a kind of space according to claim 1, is characterized in that: described super conductive filter and cryogenic low noise amplifier are and are arranged above and below.
3. high-temperature superconductor receiving front-end device for a kind of space according to claim 1, it is characterized in that: described adiabatic supporting construction comprises adiabatic support plate and adiabatic pole, described adiabatic pole one end and adiabatic support plate are fixedly linked, and the other end and vacuum dewar bottom are fixedly linked.
4. high-temperature superconductor receiving front-end device for a kind of space according to claim 1, is characterized in that: described thermal conductive belt is multilayer copper foil.
5. high-temperature superconductor receiving front-end device for a kind of space according to claim 1, is characterized in that: described super conductive filter and cryogenic low noise amplifier periphery are equipped with heat insulation layer.
6. high-temperature superconductor receiving front-end device for a kind of space according to claim 3, is characterized in that: described adiabatic pole is glass fabric rod.
7. high-temperature superconductor receiving front-end device for a kind of space according to claim 3, is characterized in that: described adiabatic support plate is glass fibre fabric swatch.
8. high-temperature superconductor receiving front-end device for a kind of space according to claim 4, is characterized in that: described copper thickness is 0.02mm.
9. high-temperature superconductor receiving front-end device for a kind of space according to claim 5, is characterized in that: described heat insulation layer is metallized film or glass fabric.
10. according to high-temperature superconductor receiving front-end device for a kind of space described in claim 3 or 6, it is characterized in that: described adiabatic pole comprises that 2 are shored pole and 2 stubborn pressure poles, and described adiabatic pole end is pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860421.2U CN203691382U (en) | 2013-12-24 | 2013-12-24 | High temperature superconductive receiving front end device used for space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860421.2U CN203691382U (en) | 2013-12-24 | 2013-12-24 | High temperature superconductive receiving front end device used for space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691382U true CN203691382U (en) | 2014-07-02 |
Family
ID=51013231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320860421.2U Expired - Fee Related CN203691382U (en) | 2013-12-24 | 2013-12-24 | High temperature superconductive receiving front end device used for space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746712A (en) * | 2013-12-24 | 2014-04-23 | 中国电子科技集团公司第十六研究所 | High-temperature superconducting receiver front-end device in space |
| CN106304804A (en) * | 2016-10-17 | 2017-01-04 | 章晓晓 | A kind of heat abstractor of high temperature superconduction wave filter |
-
2013
- 2013-12-24 CN CN201320860421.2U patent/CN203691382U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746712A (en) * | 2013-12-24 | 2014-04-23 | 中国电子科技集团公司第十六研究所 | High-temperature superconducting receiver front-end device in space |
| CN103746712B (en) * | 2013-12-24 | 2015-07-22 | 中国电子科技集团公司第十六研究所 | High-temperature superconducting receiver front-end device in space |
| CN106304804A (en) * | 2016-10-17 | 2017-01-04 | 章晓晓 | A kind of heat abstractor of high temperature superconduction wave filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103746712B (en) | High-temperature superconducting receiver front-end device in space | |
| CN203691382U (en) | High temperature superconductive receiving front end device used for space | |
| CN103248375B (en) | Short-centimeter-waveband dual-polarized refrigeration receiver dewar | |
| CN201955434U (en) | Local discharge detection TEV (transient earth voltage) sensor of high-voltage switch cabinet | |
| CN201867720U (en) | Heat pipe heat radiation type network cabinet | |
| CN104617681A (en) | Magnetic coupling resonant wireless power multi-direction transmission three-dimensional hollow coil | |
| CN204494072U (en) | A kind of heat insulating construction of superconduction cryogenic device | |
| CN201955435U (en) | GIS (gas insulated substation) partial discharge routing inspection UHF (ultra high frequency) sensor | |
| CN204375942U (en) | A kind of ultra broadband mimo antenna of difference dual-port | |
| CN105186070A (en) | Low-temperature refrigerator multi-path superconductor filter support structure | |
| CN105157272A (en) | Piezoelectric drive type miniature thermoacoustic refrigerator | |
| CN104638320B (en) | Heavy caliber low-loss microwave vacuum window | |
| CN104236700A (en) | Infrasonic sensor | |
| CN103236862B (en) | Getter chamber structure of front-end Dewar flask for superconducting receiver | |
| CN105048649A (en) | Environmental radio frequency energy collector based on electromagnetic metamaterial frequency selective surface | |
| CN202373690U (en) | Omni-directional circularly polarized antenna | |
| CN103414006A (en) | Ultra-thin passive wireless acoustic surface wave sensor | |
| CN201682039U (en) | Waveguide attenuation device | |
| CN205174906U (en) | Refrigerating plant is received to XKa dual -frenquency low temperature | |
| CN204424412U (en) | Heavy caliber low-loss microwave vacuum window | |
| CN204651452U (en) | A kind of small size ultra broadband coupler | |
| CN109751218A (en) | Built-in high vacuum cryogenic condensation aspiration pump | |
| CN204103905U (en) | A kind of C-band high-temperature superconductor receiving front-end | |
| CN203707301U (en) | Cooling structure device of X-waveband refrigeration polarizer | |
| CN208089824U (en) | A kind of isolation mounting of air-conditioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20171224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |