CN106558262A - Suction wave apparatus with high temperature-low temperature analog capability - Google Patents
Suction wave apparatus with high temperature-low temperature analog capability Download PDFInfo
- Publication number
- CN106558262A CN106558262A CN201510617841.1A CN201510617841A CN106558262A CN 106558262 A CN106558262 A CN 106558262A CN 201510617841 A CN201510617841 A CN 201510617841A CN 106558262 A CN106558262 A CN 106558262A
- Authority
- CN
- China
- Prior art keywords
- liquid nitrogen
- wedge
- runner
- base plate
- installation base
- 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.)
- Pending
Links
Landscapes
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of suction wave apparatus with high temperature-low temperature analog capability, it is main to include inhaling ripple wedge, wedge installation base plate, electric heater unit, sealing plate, liquid nitrogen export pipeline, sealing nut, liquid nitrogen inlet ductwork and wire sealing ring, the front of installation base plate arranges the wedge being distributed with array pattern, the back side is machined with liquid nitrogen runner, press the diameter recessing of heating rod in the outside of runner, electric heater unit is embedded in groove, on the outside of sealing plate welding runner overleaf, runner forms confined space；Liquid nitrogen inlet ductwork and liquid nitrogen export pipeline are separately mounted to the two ends of liquid nitrogen runner, so that liquid nitrogen flows through flow passage from liquid nitrogen inlet ductwork, flow out from liquid nitrogen export pipeline.The present invention can significantly improve the really degree of antenna Orbital heat flux simulation during vacuum thermal test, improve the validity of heat test checking and provide the cold and hot simulated environment of antenna experience.
Description
Technical field
The invention belongs to spacecraft ground heat test technical field, and in particular to a kind of to be used for spacecraft
The suction wave apparatus with high temperature-low temperature analog capability of heat test.
Background technology
Before transmission, needs carry out space environment simulated test in the face of spacecraft on ground to spacecraft,
To verify spacecraft reliability in orbit, during wherein vacuum thermal test is spacecraft environment test
An important ring.In the thermal vacuum environment test of some communications satellites, its main loaded antennas
Before vacuum thermal test, needs are reequiped to adapt to vacuum thermal test state, after waiting off-test,
Recovered again, during this, need the component to antenna the cable of antenna is carried out repeatedly
Plug, is easily caused the antenna cable after repacking and patches in state and process of the test during this
State is inconsistent, it is impossible to effective verifying satellites communication performance under vacuum low-temperature environment.
During telecommunication satellite routine heat test, the microwave of its antenna transmitting is all by special load
Absorbed, during being supported on the microwave of absorption, its temperature can be raised, and generally require employing
Recirculated water is cooled down, and is to have brought a set of new system into during heat test, makes process of the test multiple
Hydridization, also increases the risk of test；New silicon carbide ceramics wedge configuration inhales the appearance of ripple case,
A microwave absorption difficult problem during heat test is solved, but is typically all to be designed to bag due to inhaling ripple case
Enclose formula, inhale the presence blocking antenna of ripple case and it is heat sink between heat exchange, under worst cold case
Its thread test is very unfavorable, inhales ripple case with the microwave for constantly absorbing antenna transmitting, the temperature of itself
Degree is also constantly rising, and is equally distributed in around antenna as a huge thermal source, to day
The cooling of line is equally very unfavorable.For this purpose, the current suction wave apparatus to simulating with Orbital heat flux
There is strong demand.
The content of the invention
The goal of the invention of the present invention is to provide a kind of tool used during spacecraft thermal vacuum test
There are the suction wave apparatus of high temperature-low temperature analog capability.
The purpose of the present invention is achieved by the following technical solution：
Suction wave apparatus with high temperature-low temperature analog capability, are mainly included based on silicon carbide ceramics
Suction ripple wedge, wedge installation base plate, electrical heating wire or heating rod, sealing plate, liquid nitrogen outlet
Road, sealing nut, liquid nitrogen inlet ductwork and wire sealing ring, the front of installation base plate arrange battle array
The T-slot of column distribution, is inhaled ripple wedge and is distributed in T-slot with the pattern of array, the installation base plate back of the body
Face is machined with liquid nitrogen runner, presses the diameter recessing of heating rod in the outside of runner, embedded in groove
Enter electrical heating wire or electrically heated rod, sealing plate is welded on the outside of the runner at the installation base plate back side, flow
Road forms confined space；Liquid nitrogen inlet ductwork and liquid nitrogen export pipeline are separately mounted to liquid nitrogen runner
Two ends, so that liquid nitrogen flows through flow passage from liquid nitrogen inlet ductwork, flow out from liquid nitrogen export pipeline,
The import and export of liquid nitrogen are docked using conical head, and are sealed by sealing nut, in liquid nitrogen import
Conical head on be provided with wire sealing ring.
Wherein, runner is S-shaped is distributed and is evenly distributed on the installation base plate back side.
Wherein, wedge bottom design has T-type structure, and wedge has identical or different height.
Wherein, wedge installation base plate be metallic plate, including uniform array T-slot metallic plate, must
The fixed installation screwed hole wanted, the liquid nitrogen runner of substrate back distribution.
Wherein, install heating rod groove be annular groove, heating rod be arranged on annular groove in, heating rod
Electrode is exposed at the outside of annular groove, is electrically insulated between heating rod and wedge installation base plate.
Further, wedge installation base plate is modularization, and each module is fixed on framework using screw
On, during use, multiple modules are combined in certain framework, form the different suction ripple battle array of form
Face.
Further, the liquid nitrogen inlet ductwork of adjacent suction ripple module is connected to each other, then stores up with liquid nitrogen
Liquid nitrogen in tank is connected by flexible pipe carries out feed flow, plays a part of to lower the temperature to inhaling ripple wedge.
Wherein, the electrically heated rod of each module is powered by programmable power supply, according to what is set
Power is heated, and realizes inhaling the analog functuion of ripple wedge high temperature Orbital heat flux.
The present invention can significantly improve the true journey of antenna Orbital heat flux simulation during vacuum thermal test
Degree, improves the validity of heat test checking.On the one hand, the microwave signal that antenna sends can be absorbed,
Absorptance is better than -25db；On the other hand, returned by being integrated in the liquid nitrogen inhaled on ripple wedge installing plate
Road and heating rod, the Orbital heat flux condition that artificial antenna is experienced under space environment, pyroprocess are adopted
Heating rod is heated to inhaling ripple wedge, simulates high hot-fluid environment, the excessively middle employing liquid nitrogen cooling of low temperature
Wedge, provides a cold environment, the low-heat stream environment of artificial antenna experience for antenna.
Description of the drawings
Suction waves Orbital heat flux analog module schematic diagrames of the Fig. 1 for an embodiment of the present invention；
Wherein, 1:Inhale ripple wedge；2:Inhale ripple wedge installing plate；3:Electrical heating wire；4:Sealing plate；
5:Liquid nitrogen export pipeline；6:Locking nut；7:Liquefied ammonia inlet ductwork；8:Sealing ring.
Fig. 2 is the suction waves Orbital heat flux analog module back side of an embodiment of the present invention of correspondence Fig. 1
Structural representation.
Fig. 3 is the suction waves Orbital heat flux analog module section view of an embodiment of the present invention of correspondence Fig. 1
Figure.
Fig. 4 is structure when some Orbital heat flux analog modules are combined in the embodiment of the invention
Connection diagram.
Specific embodiment
Introduced below is the specific embodiment as content of the present invention, below by concrete
Embodiment is further illustrated to the content of the present invention.Certainly, following concrete reality is described
The content for only for example different aspect of the invention applying mode, and should not be construed as limiting the invention model
Enclose.
Referring to Fig. 1, Fig. 1 shows that the suction waves Orbital heat flux analog module of an embodiment of the present invention shows
It is intended to, the suction wave apparatus with high temperature-low temperature analog capability of the present invention mainly include making pottery with carborundum
Suction ripple wedge 1, wedge installation base plate 2 based on porcelain, electrical heating wire 3, sealing plate 4, liquid nitrogen go out
Mouth pipeline 5, sealing nut 6, liquid nitrogen inlet ductwork 7 and wire sealing ring 8；It is carbon to inhale ripple wedge 1
SiClx ceramics are inhaled ripple material by substrate and are made, and bottom design has T-type structure, can be fixed on metallic plate
T-slot in, the length of wedge 1 can correspond to different wavelength to be received and be designed as different height
Degree；Inhale ripple module bottom installing plate to be processed by metallic plates such as the preferable aluminium of thermal conductivity, copper, just
T-slot of the face for array, T-slot design size make suction ripple wedge to adapt to the mounting structure of wedge
After installation, wedge can be covered with the metal surface of whole suction ripple module bottom installing plate, inhale ripple metal
The back side of installing plate is designed with liquid nitrogen runner, by with other assemblies (sealing plate 4, liquid nitrogen outlet
Road 5, sealing nut 6, liquid nitrogen inlet ductwork 7 and wire sealing ring being applied in combination 8), reaches
The purpose cooled down to the carrying out for inhaling ripple module using liquid nitrogen, the back side of absorbing material installing plate 2 is designed with
The annular groove of heater strip 3 is installed, heating rod 3 is arranged in annular groove, and the electrode of heating rod 3 is exposed at annular groove
Outside, is electrically insulated between heating rod 3 and installation base plate 2, during use, is made by being powered to heating rod 3
Heating rod generates heat, and is directed on suction ripple wedge by mounting base, by controlling to inhale the temperature of ripple wedge
Form antenna Orbital heat flux analog temperature；Sealing plate 4 on liquid nitrogen runner combines to form close with liquid nitrogen runner
The liquid nitrogen stream chamber closed, liquid nitrogen inlet ductwork 7 and liquid nitrogen export pipeline 5 are separately mounted to liquid nitrogen runner
Two ends, so that liquid nitrogen flows through flow passage from liquid nitrogen inlet ductwork 7, flow out from liquid nitrogen export pipeline 5,
The import and export of liquid nitrogen are docked using conical head, and are sealed by sealing nut 6, in liquid nitrogen import
Conical head on be provided with wire sealing ring 8, wherein, runner is S-shaped, referring to Fig. 2, Fig. 2
Show the knot at the suction waves Orbital heat flux analog module back side of an embodiment of the present invention of correspondence Fig. 1
Structure schematic diagram, wherein liquid nitrogen flow into runner from liquid nitrogen inlet ductwork 7, and beginning is flowed from left to right, then
Turn to through runner, flow from right to left, then pass through liquid nitrogen export pipeline 5 and flow out runner.Another
In one specific embodiment, runner can be anti-between liquid nitrogen inlet ductwork 7 and liquid nitrogen export pipeline 5
Direction is alternately arranged, and is evenly distributed on 2 back side of wedge installation base plate as much as possible, with more uniformly
Cooling.
Referring to Fig. 3, Fig. 3 is simulated exemplified with the suction waves Orbital heat flux of an embodiment of the present invention of Fig. 1
Module sectional view.It can be seen that inhaling ripple wedge 1 in array structure vertical distribution in wedge
On the front of installation base plate 2.
In order to Orbital heat flux simulation is carried out in more large area, the wedge installation base plate of the present invention can enter
Row multimode is applied in combination.Installation base plate upper liquid nitrogen inlet and liquid nitrogen are exported as liquid nitrogen pipeline
Import and export, be connected with liquid feeding pipeline when single module is used, when multiple modules are used, can be with
As the connection between multiple modules, accompanying drawing 4 is specifically shown in, in figure, shows some Orbital heat flux simulation moulds
Liquid nitrogen pipeline connection diagram when block is combined, left plate liquid nitrogen export 5 recessed tapered joint heads and right side
7 tapered joint head of plate liquid nitrogen import is attached, the taper connection of liquid nitrogen outlet 7 wherein on right plate
Metal o-ring 8 is installed on head, external screw thread is designed in the taper joint in liquid nitrogen outlet 5, is led to
Cross sealing nut 6 and 2 joints are compressed, in compaction process, 8 compressive deformation of metal o-ring is real
Being tightly connected between existing 2 joints.
Although giving detailed description above to the specific embodiment of the present invention and illustrating, should
This is intended that those skilled in the art can be according to the spirit of the present invention to above-mentioned embodiment
Various equivalent changes and modification are carried out, the function produced by which is without departing from specification and accompanying drawing
Covered it is spiritual when, all should be within the scope of the present invention.
Claims (9)
1. the suction wave apparatus with high temperature-low temperature analog capability, are mainly included based on silicon carbide ceramics
Suction ripple wedge, wedge installation base plate, electrical heating wire or heating rod, sealing plate, liquid nitrogen outlet
Road, sealing nut, liquid nitrogen inlet ductwork and wire sealing ring, the front of installation base plate arrange battle array
The T-slot of column distribution, is inhaled ripple wedge and is distributed in T-slot with the pattern of array, the installation base plate back of the body
Face is machined with liquid nitrogen runner, presses the diameter recessing of heating rod in the outside of runner, embedded in groove
Enter electrical heating wire or electrically heated rod, sealing plate is welded on the outside of the runner at the installation base plate back side, flow
Road forms confined space；Liquid nitrogen inlet ductwork and liquid nitrogen export pipeline are separately mounted to liquid nitrogen runner
Two ends, so that liquid nitrogen flows through flow passage from liquid nitrogen inlet ductwork, flow out from liquid nitrogen export pipeline,
The import and export of liquid nitrogen are docked using conical head, and are sealed by sealing nut, in liquid nitrogen import
Conical head on be provided with wire sealing ring.
2. it is as claimed in claim 1 to inhale wave apparatus, wherein, the S-shaped distribution of runner is simultaneously evenly distributed on
The installation base plate back side.
3. it is as claimed in claim 1 to inhale wave apparatus, wherein, wedge bottom design has T-type structure, point
Split with identical or different height, wave absorbing efficiency is below -30db.
4. suction wave apparatus as described in any one of claim 1-3, wherein, wedge installation base plate is metal
Plate, including the metallic plate of uniform array T-slot, necessary fixed installation screwed hole, the substrate back of the body
Face is designed with liquid nitrogen runner.
5. it is as claimed in claim 1 to inhale wave apparatus, wherein, the groove for installing heating rod is annular groove, plus
Hot pin is arranged in annular groove, and the electrode of heating rod is exposed at the outside of annular groove, and heating rod is installed with wedge
It is electrically insulated between substrate.
6. it is as claimed in claim 1 to inhale wave apparatus, wherein, wedge installation base plate is modularization, each
Module is fixed on framework using screw, and during use, multiple modules are combined in certain framework,
The different suction wave surface of formation form.
7. it is as claimed in claim 6 to inhale wave apparatus, wherein, the adjacent liquid nitrogen inlet tube for inhaling ripple module
Road is connected to each other, then is connected by flexible pipe with the liquid nitrogen in liquid nitrogen storage tank and carries out feed flow, plays to inhaling
The effect lowered the temperature by ripple wedge.
8. it is as claimed in claim 6 to inhale wave apparatus, wherein, the electrically heated rod of each module is by program control
Power supply is powered, and is heated according to the power for setting, and realizes inhaling ripple wedge high temperature Orbital heat flux
Analog functuion.
9. it is as claimed in claim 1 to inhale wave apparatus, wherein, metal o-ring 8 is by the good gold of ductility
Category is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617841.1A CN106558262A (en) | 2015-09-24 | 2015-09-24 | Suction wave apparatus with high temperature-low temperature analog capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617841.1A CN106558262A (en) | 2015-09-24 | 2015-09-24 | Suction wave apparatus with high temperature-low temperature analog capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106558262A true CN106558262A (en) | 2017-04-05 |
Family
ID=58414302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617841.1A Pending CN106558262A (en) | 2015-09-24 | 2015-09-24 | Suction wave apparatus with high temperature-low temperature analog capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106558262A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813512A (en) * | 2018-12-19 | 2019-05-28 | 国网江苏省电力有限公司经济技术研究院 | A kind of wave absorber for centrifuge modelling test case |
| CN110393880A (en) * | 2018-08-20 | 2019-11-01 | 中车长春轨道客车股份有限公司 | A kind of darkroom fire-fighting spray device |
| CN115610714A (en) * | 2022-11-14 | 2023-01-17 | 北京卫星环境工程研究所 | Low electromagnetic scattering environment and heat flow environment simulation device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101080163A (en) * | 2007-06-11 | 2007-11-28 | 滕州市华海新型保温材料有限公司 | Electromagnetic foam absorption wedge material and its making technology |
| CN101311722A (en) * | 2007-05-22 | 2008-11-26 | 中国科学院理化技术研究所 | Heating and cooling device and method for rotating part in high vacuum environment |
| CN102354786A (en) * | 2011-10-21 | 2012-02-15 | 湖北汉鑫源真空电子科技有限公司 | C-band high-energy silicon carbide ceramic microwave load |
| CN102384571A (en) * | 2011-09-29 | 2012-03-21 | Tcl空调器（武汉）有限公司 | Silencing structure of air-conditioning compressor |
| CN103662111A (en) * | 2013-12-03 | 2014-03-26 | 上海卫星装备研究所 | Wave-absorbing temperature control type external heat flow simulating device under thermal vacuum environment |
| CN203590678U (en) * | 2013-12-03 | 2014-05-07 | 上海卫星装备研究所 | Spacecraft product vacuum wave-absorbing module |
| CN204107552U (en) * | 2014-09-19 | 2015-01-21 | 常熟市虞华真空设备科技有限公司 | Vacuum test case complete set of equipments |
| CN104535605A (en) * | 2014-11-27 | 2015-04-22 | 上海卫星装备研究所 | Heat flux density calibration system for vacuum wave-absorbing type external heat flux analog device |
| CN104698011A (en) * | 2015-02-12 | 2015-06-10 | 上海卫星装备研究所 | Test device for high-frequency absorbing property of wave-absorbing material and test method |
-
2015
- 2015-09-24 CN CN201510617841.1A patent/CN106558262A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311722A (en) * | 2007-05-22 | 2008-11-26 | 中国科学院理化技术研究所 | Heating and cooling device and method for rotating part in high vacuum environment |
| CN101080163A (en) * | 2007-06-11 | 2007-11-28 | 滕州市华海新型保温材料有限公司 | Electromagnetic foam absorption wedge material and its making technology |
| CN102384571A (en) * | 2011-09-29 | 2012-03-21 | Tcl空调器（武汉）有限公司 | Silencing structure of air-conditioning compressor |
| CN102354786A (en) * | 2011-10-21 | 2012-02-15 | 湖北汉鑫源真空电子科技有限公司 | C-band high-energy silicon carbide ceramic microwave load |
| CN103662111A (en) * | 2013-12-03 | 2014-03-26 | 上海卫星装备研究所 | Wave-absorbing temperature control type external heat flow simulating device under thermal vacuum environment |
| CN203590678U (en) * | 2013-12-03 | 2014-05-07 | 上海卫星装备研究所 | Spacecraft product vacuum wave-absorbing module |
| CN204107552U (en) * | 2014-09-19 | 2015-01-21 | 常熟市虞华真空设备科技有限公司 | Vacuum test case complete set of equipments |
| CN104535605A (en) * | 2014-11-27 | 2015-04-22 | 上海卫星装备研究所 | Heat flux density calibration system for vacuum wave-absorbing type external heat flux analog device |
| CN104698011A (en) * | 2015-02-12 | 2015-06-10 | 上海卫星装备研究所 | Test device for high-frequency absorbing property of wave-absorbing material and test method |
Non-Patent Citations (2)
| Title |
|---|
| 柯受全等: "卫星环境工程中的环境模拟", 《卫星环境工程和模拟试验 上》 * |
| 黄本诚等: "航天器空间热环境实验的误差分析", 《航天器空间环境试验技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393880A (en) * | 2018-08-20 | 2019-11-01 | 中车长春轨道客车股份有限公司 | A kind of darkroom fire-fighting spray device |
| CN110393880B (en) * | 2018-08-20 | 2021-04-13 | 中车长春轨道客车股份有限公司 | Darkroom fire sprinkler device |
| CN109813512A (en) * | 2018-12-19 | 2019-05-28 | 国网江苏省电力有限公司经济技术研究院 | A kind of wave absorber for centrifuge modelling test case |
| CN109813512B (en) * | 2018-12-19 | 2020-11-20 | 国网江苏省电力有限公司经济技术研究院 | Wave absorbing device for centrifuge model box |
| CN115610714A (en) * | 2022-11-14 | 2023-01-17 | 北京卫星环境工程研究所 | Low electromagnetic scattering environment and heat flow environment simulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106558262A (en) | Suction wave apparatus with high temperature-low temperature analog capability | |
| CN105376876B (en) | A kind of quartz lamp pharoid and its design method | |
| CN106449569A (en) | Stacked-chip micro-channel heat dissipation structure and preparation method | |
| CN104911544A (en) | Temperature control disc | |
| CN108022712A (en) | The distributed electric current of large-scale superconducting Tokamak magnet and cold matter transmission feeder | |
| CN1972744A (en) | Micro-fluidic system | |
| WO2016201948A1 (en) | Rod cluster critical heat flux density test apparatus | |
| CN203625440U (en) | Non-standard electric heating fixture for pressure vessel thermal treatment | |
| CN106572546A (en) | Adjustable integral flat-plate quartz lamp heater structure | |
| CN109738351A (en) | A kind of hollow cladding cable connector experimental rig | |
| CN111010751A (en) | Heating device of near space load service cabin | |
| CN106764162B (en) | It is a kind of for give, the rubber-heating gasket of drainage pipeline antifreezing block | |
| CN206015091U (en) | A kind of temperature control platform of cladding forming | |
| CN205998156U (en) | The illuminator of unmanned plane and unmanned plane | |
| CN105487235B (en) | Suitable for the high-energy utilization rate light integrator device of high-power solar simulator | |
| CN107986269A (en) | A kind of internal thermal serial graphitized technique of ultrahigh power graphite electrode joint | |
| CN206505953U (en) | A kind of battery modules | |
| CN209214108U (en) | Cotton air duct electric heating tube fixed structure and hot-blast stove | |
| CN111787652B (en) | Area array type ultra-high strength infrared irradiation system | |
| CN203496166U (en) | Mould with temperature control function | |
| CN202979450U (en) | Water cooling device for MPT microwave energy vacuum tube | |
| CN108386720B (en) | Liquefied natural gas gasifying assembly apparatus | |
| CN207947914U (en) | A kind of electromagnetism heat transfer unit (HTU) | |
| CN205208910U (en) | Ptc liquid heater | |
| CN106825834B (en) | A kind of welder and its method for superconducting joint inside NbTi/Cu superconducting coils |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170405 |