CN205982142U - Hot vacuum test case - Google Patents
Hot vacuum test case Download PDFInfo
- Publication number
- CN205982142U CN205982142U CN201620911382.8U CN201620911382U CN205982142U CN 205982142 U CN205982142 U CN 205982142U CN 201620911382 U CN201620911382 U CN 201620911382U CN 205982142 U CN205982142 U CN 205982142U
- Authority
- CN
- China
- Prior art keywords
- heat sink
- cold drawing
- test case
- box
- casing
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000010622 cold drawing Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000005057 refrigeration Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 8
- 230000009977 dual effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000013529 heat transfer fluid Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000011825 aerospace material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Abstract
The utility model discloses a hot vacuum test case, the power distribution box comprises a box body, box internally mounted has heat sinkly, heat sink pars intramuralis is provided with heating channel, heat sink internally mounted has the cold drawing, the inside cooling channel that is provided with of cold drawing, there is the hinged door in box right -hand member portion through hinged joint, hinged door outer loop cover is equipped with the rubber circle, box left end face is provided with the relief valve respectively, the main pump system, elecyrical heat exchanger, the high -vacuum pump system, refrigerating system and diaphragm valve, elecyrical heat exchanger passes through the pipeline and is connected with heating channel, refrigerating system passes through the pipeline and is connected with cooling channel, be provided with a temperature -sensing ware in box and the heat sink installation gap, be provided with the 2nd temperature -sensing ware on the cold drawing, this hot vacuum test case uses two sets of vacuum pump systems, make vacuum obtain very big improvement, and simultaneously, dual direct contact about fluid and the cold drawing is and the high -speed cold drawing inside passage that passes of fluid, make every point on the cold drawing all reach ideal temperature uniformity.
Description
Technical field
This utility model is related to thermal vacuum test box technology field, specially a kind of thermal vacuum test case.
Background technology
It is aerospace engineering articles for use that thermal vacuum is tested and material must be tested, and thermal vacuum experiment can examine space flight articles for use and material
The thermal design of material, finds its environmental suitability under hot vacuum environment, the general temperature control scope of general thermal vacuum experimental box
Between -100 degrees Celsius to 150 degrees Celsius, final vacuum is IE-5Pa, and prior art is examining special aerospace material
During vacuum environment adaptability, the thermal vacuum experiment under condition of different temperatures need to be carried out, general thermal vacuum experimental box can not meet
This experimental temperature scope, for this reason, a kind of it is proposed that thermal vacuum test case.
Content of the invention
The purpose of this utility model is to provide a kind of thermal vacuum test case, with solve in above-mentioned background technology propose ask
Topic.
For achieving the above object, this utility model provides following technical scheme：A kind of thermal vacuum test case, including casing,
Described box house be provided with heat sink, described heat sink be internally provided with heating passage, described heat sink inside is provided with cold drawing, described
Cold drawing is internally provided with cooling duct, and described casing right-hand member is connected through the hinge and has hinged door, and described hinged door outer shroud is arranged with
Rubber ring, described casing left side is respectively arranged with relief valve, main pump system, electrical heat exchanger, high-vacuum pump system, refrigeration system
System and diaphragm valve, described electrical heat exchanger is passed through pipeline and is connected with heating passage, and it is logical with cooling that described refrigeration system passes through pipeline
Road connects, and is provided with the first temperature inductor in described casing and heat sink installation gap, and described cold drawing is provided with the second temperature
Degree induction apparatuss.
Preferably, described main pump system is made up of a set of two-stage vacuum pump and a set of lobe pump.
Preferably, described heat sink be divided into three pieces, first piece is column part, second piece of side in hinged door, the 3rd piece
In the afterbody of casing, heat sink inner surface scribbles the pitch-dark of high-absorbility.
Compared with prior art, the beneficial effects of the utility model are：This thermal vacuum test case uses two sets of vacuum pump systems
System, makes vacuum be greatly improved, and meanwhile, with cold drawing upper and lower surface directly contact and fluid high-speed is through cold for fluid
Intralaminar part passage, makes each point on cold drawing reach preferable temperature uniformity.
Brief description
Fig. 1 is this utility model structural representation.
In figure：1 hinged door, 2 rubber rings, 3 relief valve, 4 main pump systems, 5 electrical heat exchangers, 6 high-vacuum pump systems, 7 systems
Cooling system, 8 diaphragm valves, 9 casings, 10 first temperature inductors, 11 second temperature induction apparatuss, 12 heating passages, 13 heat sink, 14 cold
But passage, 15 cold drawings.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, this utility model provides a kind of technical scheme：A kind of thermal vacuum test case, including casing 9, casing 9
Case in the housing that contacts with fine vacuum be made up of 304L rustless steel, thickness may insure stablizing of structure and size, in casing 9
Portion is provided with heat sink 13, heat sink 13 and is divided into three pieces, and first piece is column part, second piece of side in hinged door 1, the 3rd piece
The afterbody of casing 9, all three pieces is all dismountable, and heat sink 13 inner surfacies scribble the pitch-dark of high-absorbility, and used
Coating is the two component epoxy finish paint of the chemosetting for fine vacuum, heat sink 13 be internally provided with heating passage 12, heat sink 13
Inside is provided with cold drawing 15, and the effect of cold drawing 15 is to place and fixing test specimen, and material is rustless steel, and cold drawing 15 is internally provided with cold
But passage 14, with cold drawing 15 upper and lower surface directly contact and fluid high-speed passes through inside cold drawing 15 fluid in cooling duct 14
Passage, can make each point on cold drawing 15 reach preferable temperature uniformity, casing 9 right-hand member is connected through the hinge and has hinge
Door 1, hinged door 1 outer shroud is arranged with rubber ring 2, and casing 9 left side is respectively arranged with relief valve 3, main pump system 4, electric heating exchange
Device 5, high-vacuum pump system 6, refrigeration system 7 and diaphragm valve 8, refrigeration system 7 is passed through in process of refrigerastion using Coolstar system
Cryogen control system is come for heat sink reduction temperature, and heat sink 13 are cooled down using a set of " two grades of cooling systems ", and cold-producing medium passes through
Direct expansion realization is freezed and is passed through a set of efficient brazing-sheet type heat exchanger and takes away heat, main pump system from the heat-transfer fluid of circulation
System 4 is made up of a set of two-stage vacuum pump and a set of lobe pump, and high-vacuum pump system 6 comprises one group of connecting tube, as evacuation and
Vacuum control, also can ensure valve, accessory, vacuum transducer and the interlock of normal operating, monitoring and safety, diaphragm valve
8 valve leakage controlled with corresponding controller, the valve leakage controlled range of diaphragm valve 8 be 0.2Pa to 100kPa, electric heating exchange
Device 5 is passed through pipeline and is connected with heating passage 12, and refrigeration system 7 is connected with cooling duct 14 by pipeline, casing 9 and heat sink 13
Install in gap and be provided with the first temperature inductor 10, the first temperature inductor 10 is used for monitoring the internal temperature of thermal vacuum test case
Degree, cold drawing 15 is provided with second temperature induction apparatuss 11, and second temperature induction apparatuss 11 are used for temperature change during monitoring cooling.
Operation principle：Heat sink 13 heating and cooling be by order about fluid in heat sink/cold drawing within passage in carry out
Come to complete, one unsealed, can ensure that fluid in heat sink 13, cold drawing 15 and cool-heat-exchanger with the pump of magnetically-actuated for circulation
Inner high speed circulates, and to reach efficient heat exchanger effectiveness and temperature uniformity, refrigeration is stainless by the soldering that fully seals
Come to execute, board-like heat exchanger passes through coolant to the high efficiency plate heat exchanger that steel is made（Come from compressor）Direct expansion is realizing
Refrigeration, heat sink 13 are cooled down using a set of " two grades of cooling systems ", and cold-producing medium is realized freezing and passing through one through direct expansion
Cover efficient brazing-sheet type heat exchanger and take away heat from the heat-transfer fluid of circulation.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of thermal vacuum test case, including casing（9）It is characterised in that：Described casing（9）Inside is provided with heat sink（13）,
Described heat sink（13）It is internally provided with heating passage（12）, described heat sink（13）Inside is provided with cold drawing（15）, described cold drawing
（15）It is internally provided with cooling duct（14）, described casing（9）Right-hand member is connected through the hinge hinged door（1）, described hinged door
（1）Outer shroud is arranged with rubber ring（2）, described casing（9）Left side is respectively arranged with relief valve（3）, main pump system（4）, electric heating
Exchanger（5）, high-vacuum pump system（6）, refrigeration system（7）And diaphragm valve（8）, described electrical heat exchanger（5）By pipeline with
Heating passage（12）Connect, described refrigeration system（7）By pipeline and cooling duct（14）Connect, described casing（9）With heat sink
（13）Installation gap in be provided with the first temperature inductor（10）, described cold drawing（15）On be provided with second temperature induction apparatuss
（11）.
2. a kind of thermal vacuum test case according to claim 1 it is characterised in that：Described main pump system（4）By a set of double
Level vacuum pump and a set of lobe pump composition.
3. a kind of thermal vacuum test case according to claim 1 it is characterised in that：Described heat sink（13）It is divided into three pieces, the
One piece is column part, and second piece in hinged door（1）Side, the 3rd piece in casing（9）Afterbody, heat sink（13）Inner surface applies
There is the pitch-dark of high-absorbility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911382.8U CN205982142U (en) | 2016-08-22 | 2016-08-22 | Hot vacuum test case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911382.8U CN205982142U (en) | 2016-08-22 | 2016-08-22 | Hot vacuum test case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982142U true CN205982142U (en) | 2017-02-22 |
Family
ID=58032160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620911382.8U Expired - Fee Related CN205982142U (en) | 2016-08-22 | 2016-08-22 | Hot vacuum test case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205982142U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916950A (en) * | 2019-04-01 | 2019-06-21 | 南京理工大学 | A kind of temperature control performance assessment device of heat sink material |
-
2016
- 2016-08-22 CN CN201620911382.8U patent/CN205982142U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916950A (en) * | 2019-04-01 | 2019-06-21 | 南京理工大学 | A kind of temperature control performance assessment device of heat sink material |
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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: 20170222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |