CN101576359B - Dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment - Google Patents
Dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment Download PDFInfo
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- CN101576359B CN101576359B CN 200810188293 CN200810188293A CN101576359B CN 101576359 B CN101576359 B CN 101576359B CN 200810188293 CN200810188293 CN 200810188293 CN 200810188293 A CN200810188293 A CN 200810188293A CN 101576359 B CN101576359 B CN 101576359B
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- house steward
- liquid nitrogen
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Abstract
The invention relates to a component for low-temperature process system of space environment simulation test equipment, in particular to a dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment. The heat sink system can allow liquid nitrogen and alcohol to share the same flow channel and can safely switch, and ensures that the heat sink temperature is adjustable between 163 DEG C below zero and 50 DEG C by switching two media. The heat sink system consists of a heat-sink main body, a heat-sink surface-resistance temperature sensor,an alcohol heater, a corrugated-hose outer-circumference temperature measurement resistance sensor, an alcohol-discharging valve, an auxiliary alcohol-discharging box, a nitrogen blowing-removing val ve and a nitrogen gas source, wherein the heat-sink main body has a fishbone structure and is formed by welding an upper main pipe, a lower main pipe, a branch pipe with fins, a corrugated hose and anauxiliary liquid-discharging pipe; the branch pipe with fins is formed by welding a metal pipe and metal fins; and the corrugated hose is provided with an evaporation alcohol heater. The system can b e compatible with two heat exchange media, namely the alcohol and the liquid nitrogen, thereby solving the defect that heat sink in the fishbone structure can only adopt one heat exchange medium.
Description
Technical field
The present invention relates to a kind of parts that are used for space-environment facility low temperature flow system.
Background technology
Space-environment facility is the equipment of virtual space vacuum and low temperature environment; Heat sink is the critical piece of this kind equipment, through radiant heat exchange, for the equipment test space provides required temperature environment; In order to reach this purpose; Must control heat sink temperature, the control heat sink temperature is in heat sink runner, to force mobilely through heat transfer medium, realizes with heat sink heat exchange.
Temperature range according to heat sink requirement is different, the present following heat transferring medium of various heat sink employing, liquid nitrogen, alcohol or conduction oil, the refrigeration working medium of refrigerator etc.No matter adopt which kind of medium, present heat sink single medium runner that is, heat sink runner a kind of heat transfer medium that can only circulate can't switch other a kind of medium.Main cause is: the refrigeration working medium of alcohol, conduction oil or refrigerator etc. can make heat sink scope work at 0 ℃～-80 ℃, but often requires heat sink can reaching below-170 ℃, and this will use liquid nitrogen.When the liquid nitrogen feeding was circulated throughout the heat sink runner of alcohol, conduction oil or refrigeration working medium, alcohol, conduction oil or refrigeration working medium remaining in the runner will be frozen into solid, stop up even damage heat sink.So there is not the heat sink runner of shared two media before.Certainly, also have and lay the heat sink of two-way runner, but this heat sink structure is complicated, the media flow situation is bad, poor temperature uniformity.
Summary of the invention
Technical problem to be solved by this invention is: a kind of novel space-environment facility heat-sink system is provided, and this heat-sink system can allow liquid nitrogen and the shared same heat sink runner of alcohol.So-called shared be not that liquid nitrogen and alcohol use simultaneously, but finish using when liquid nitrogen working medium, liquid nitrogen vaporization fully after, again alcohol working medium is fed, carry out periodic duty; After the alcohol periodic duty is accomplished, use the alcohol safety air emptying function of heat-sink system, alcohol is emptied completely, again liquid nitrogen working medium is fed.The safety that so realizes two kinds of working medium is switched.Switching through two kinds of media makes heat sink temperature adjustable between-163 ℃～+ 50 ℃.
Technical solution of the present invention is:
The present invention includes heat sink main body, heat sink surface RTD, etna, corrugated flexible hose excircle temperature detecting resistance sensor, row's alcohol valve, auxiliary row alcohol tank, nitrogen blow-off's valve and nitrogen source of the gas, Fig. 1, Fig. 2 are seen in signal.
The heat sink main body structure is seen Fig. 1, Fig. 2.It is heat sink to adopt the plshy bone open structure to make, heat sink main body by house steward (feed liquor house steward) down, go up house steward (fluid house steward), with ribbing arm, corrugated flexible hose, auxiliary discharging tube etc. and form.Concrete structure is: with ribbing arm is welded by stainless steel arm and red copper or aluminium fin, and arm is welded on house steward and the following house steward, and last house steward and following house steward adopt stainless steel tube; Auxiliary discharge opeing (alcohol) pipe is welded on upper and lower house steward's Down Highway place more than one or one, and auxiliary discharging tube diameter is less than house steward and with ribbing arm diameter; Last house steward's liquid outlet and following house steward's inlet welding corrugated flexible hose.
The corrugated flexible hose excircle is established heater and temperature detecting resistance sensor, takes the electric insulation measure between heater and corrugated flexible hose, corrugated flexible hose excircle temperature detecting resistance sensor monitoring corrugated flexible hose temperature.Heat sink surface (arm fin surface) is established the heat sink surface RTD, monitoring heat sink surface temperature.
Last house steward's liquid outlet can be connected with alcohol circulation line, liquid nitrogen circulation line respectively with following house steward's inlet; Following house steward links to each other through corresponding valve with the nitrogen source of the gas with auxiliary liquid collecting (alcohol) case, can reclaim the raffinate of discharging in the heat sink main body runner through auxiliary liquid collecting (alcohol) case, and with the residual alcohol in nitrogen blow-off's heat sink main body runner.
The course of work that heat-sink system is switched to the alcohol circulation from the liquid nitrogen circulation is: observe the heat sink main body temperature through corrugated flexible hose excircle temperature detecting resistance sensor and heat sink surface RTD; When confirming not had liquid nitrogen in the heat sink main body; House steward's liquid outlet on the heat sink main body and following house steward's inlet and liquid nitrogen circulation line are thrown off, be connected with the alcohol circulation line again.Do not have liquid nitrogen in the heat sink main body runner this moment, has only nitrogen, feeds alcohol liquid and can not produce any fault.Can begin the alcohol circulation, heat-sink system gets into the alcohol state of cyclic operation.Accomplish heat-sink system from the switching of liquid nitrogen circulation to the alcohol circulation.
Heat-sink system from the alcohol circulation to the course of work that the liquid nitrogen circulation is switched is: after the alcohol circulation stopped, the row's of opening alcohol valve was gone into auxiliary liquid collecting (alcohol) case with the alcohol collection in the heat sink main body pipeline.At this moment, the alcohol that accumulates in last the person in charge flows into down through auxiliary discharging tube and is responsible for, and the alcohol in the arm also gets into down the person in charge, gets into auxiliary liquid collecting (alcohol) case through being responsible for down then; After treating that again liquid collecting (alcohol) case is assisted in alcohol-free inflow; The row's of cutting out alcohol valve opens etna, and heating makes remaining vaporized alcohol in the bellows; When corrugated flexible hose excircle temperature detecting resistance sensor displays temperature reaches more than 80 ℃, explain that remaining alcohol all evaporates.At this moment, open nitrogen blow-off's valve, with alcohol steam in the heat sink runner of nitrogen blow-off.At this moment, do not had alcohol liquid in the heat sink main body runner, fed liquid nitrogen and can not produce any fault.Last house steward's liquid outlet of heat sink main body is thrown off with following house steward's inlet and alcohol circulation line, be connected with the liquid nitrogen circulation line again, just can begin the liquid nitrogen circulation.Heat-sink system gets into the liquid nitrogen state of cyclic operation, accomplishes heat-sink system from the switching of alcohol circulation to the liquid nitrogen circulation.
The characteristics of this heat-sink system are:
1) when heat sink be after the circulation of medium finishes with alcohol, switch to when being medium with the liquid nitrogen, the alcohol in heat sink is discharged through heat sink bottom house steward;
2) can not accumulate alcohol and drain into the bottom house steward from what arm flowed out among the house steward of top, mouthful flow out through row again through auxiliary discharging tube;
3) an alcohol specially collecting box is set, this case is in house steward bottom, bottom, and the alcohol among the house steward is flowed in this case fully;
4) import and export the alcohol that to discharge in the corrugated flexible hose and use evaporation etna heating evaporation, discharge with gaseous state;
5) be provided with nitrogen blow-off's structure in the system, can blow out residual alcohol.
This flow process guarantees that to greatest extent alcohol liquid discharges, and when liquid nitrogen can not form the freezing obstruction runner of alcohol during through heat sink runner, avoids heat sink cisco unity malfunction, even pipe explosion accident takes place.
The present invention's beneficial effect compared with prior art is:
(1) same heat sink runner can compatible alcohol and the heat transferring medium of liquid nitrogen two media;
(2) solved the defective that the plshy bone open structure heat-sink can only adopt a kind of heat transferring medium;
(3) ensured and heat sinkly switched to LN by alcohol
2The time, the flow process operate as normal;
(4) dual channel (alcohol and LN have been avoided
2Runner is respectively arranged) make complicacy, be prone to cause the shortcoming of gas leakage.
Description of drawings
Fig. 1 is a straight tubular heat sink structure sketch map of the present invention;
Fig. 2 is a disc heat sink structure sketch map of the present invention;
Wherein: house steward, the auxiliary discharging tube of 10-, 11-heat sink surface RTD, 12-row alcohol valve, the auxiliary row of 13-alcohol tank, 14-nitrogen source of the gas, 15-nitrogen blow-off valve under 1-first etna, 2-first corrugated flexible hose, the last house steward of 3-, 4-arm, 5-fin, 6-corrugated flexible hose excircle temperature detecting resistance sensor, 7-second corrugated flexible hose, 8-second etna, the 9-.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
As shown in Figure 1, heat sink main body of the present invention (straight-tube shape) is by last house steward (fluid house steward) 3, down house steward (feed liquor house steward) 9, arm 4 and fin 5, first corrugated flexible hose 2, second corrugated flexible hose 7, auxiliary discharging tube 10 and first etna 1, second etna 8 constitute.Open row's radial hole on last house steward 3 and the following house steward 9, the two ends of with ribbing 5 arm 4 of semicircle shape are welded on house steward 3 and following house steward's 9 the corresponding radial hole.Fin 5 adopts welding manner and arm 4 to be combined into one.Last house steward 3 seals with following house steward's 9 one ends; The other end welds first corrugated flexible hose 2 and second corrugated flexible hose 7; In order to get rid of among the house steward 3 below the arm welding position hydrops in the pipe; The several auxiliary discharging tubes 10 of welding in order to remove hydrops in first corrugated flexible hose 2 and second corrugated flexible hose 7, are established first etna 1 and second etna 8 at two bellows excircles between last house steward 3 and following house steward 9; Temperature when heating in order to monitor two bellowss is established two corrugated flexible hose excircle temperature detecting resistance sensors 6; In order to monitor heat sink temperature, establish heat sink surface RTD 11.
When the liquid nitrogen flow process is switched, discharge residual alcohol to auxiliary row's alcohol tank 13 from the alcohol flow process through row's alcohol valve 12; After residual alcohol has been arranged.Through nitrogen blow-off's valve 15, use nitrogen source of the gas 14 to blow down heat sink middle residual alcohol steam.
As shown in Figure 2, heat sink (discoid) of the present invention is by last house steward (fluid house steward) 3, down house steward (feed liquor house steward) 9, arm 4 and fin 5, first corrugated flexible hose 2, second corrugated flexible hose 7, auxiliary discharging tube 10 and first etna 1, second etna 8 constitute.Open radial hole on last house steward 3 and the following house steward 9, the two ends of with ribbing 5 arm 4 are welded on house steward 3 and following house steward's 9 the corresponding aperture.Fin 5 adopts welding manner and arm 4 to be combined into one.Seal at last house steward 3 and following house steward's 9 two ends, at last house steward 3 and following house steward's 9 centre position perforate and vertical welding first corrugated flexible hose 2 with the pipe semi-circle plane and second corrugated flexible hose 7.In order to get rid of among the house steward 3 hydrops in the two ends dead space pipe, weld two auxiliary discharging tubes 10 with following house steward 9 two ends last house steward 3; In order to remove hydrops in first corrugated flexible hose 2 and second corrugated flexible hose 7, establish the first etna heater 1 and second etna 8 at two bellows excircles; Temperature when heating in order to monitor two bellowss is established two corrugated flexible hose excircle temperature detecting resistance sensors 6; In order to monitor heat sink temperature, establish heat sink surface RTD 11.
When the liquid nitrogen flow process is switched, discharge residual alcohol to auxiliary row's alcohol tank 13 from the alcohol flow process through row's alcohol valve 12; After residual alcohol has been arranged.Through nitrogen blow-off's valve 15, use nitrogen source of the gas 14 to blow down heat sink middle residual alcohol steam.
Claims (7)
1. dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment comprises heat sink main body, heat sink surface RTD, etna, corrugated flexible hose excircle temperature detecting resistance sensor, row's alcohol valve, auxiliary row's alcohol tank, nitrogen blow-off's alcohol structure; Heat sink main body comprises feed liquor house steward, fluid house steward, be welded on ribbing arm on feed liquor house steward and the fluid house steward, the import corrugated flexible hose that is connected with the feed liquor house steward, the outlet corrugated flexible hose that is connected with the fluid house steward, the auxiliary discharging tube that is weldingly connected with feed liquor house steward and fluid house steward; It is characterized in that: adopt the plshy bone open structure of forming by fluid house steward, with ribbing arm and feed liquor house steward, be provided with between fluid house steward and feed liquor house steward and assist discharging tube and be interconnected; The import corrugated flexible hose is equipped with etna and corrugated flexible hose excircle temperature detecting resistance sensor with the excircle of outlet corrugated flexible hose.
2. according to the dual-medium (liquid nitrogen and alcohol) compatible heat sink system described in the claim 1, it is characterized in that: feed liquor house steward and fluid house steward and with ribbing arm adopt stainless steel, and the fin of with ribbing arm adopts red copper or aluminium.
3. according to the dual-medium (liquid nitrogen and alcohol) compatible heat sink system described in the claim 1, it is characterized in that: have auxiliary discharging tube more than.
4. according to the dual-medium (liquid nitrogen and alcohol) compatible heat sink system described in the claim 1, it is characterized in that: described auxiliary discharging tube is connected fluid house steward's lowest part.
5. according to the dual-medium (liquid nitrogen and alcohol) compatible heat sink system described in the claim 1; It is characterized in that: electric insulation between the etna of import corrugated flexible hose excircle and the import corrugated flexible hose, electric insulation between the etna of outlet corrugated flexible hose excircle and the outlet corrugated flexible hose.
6. according to the dual-medium (liquid nitrogen and alcohol) compatible heat sink system described in the claim 1, it is characterized in that: described auxiliary discharging tube diameter is less than the diameter of feed liquor house steward, fluid house steward and with ribbing arm.
7. according to the dual-medium (liquid nitrogen and alcohol) compatible heat sink system described in the claim 1, it is characterized in that: be provided with nitrogen blow-off's alcohol structure, to use the alcohol steam in nitrogen blow-off's heat sink main body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810188293 CN101576359B (en) | 2008-12-23 | 2008-12-23 | Dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment |
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| CN 200810188293 CN101576359B (en) | 2008-12-23 | 2008-12-23 | Dual-medium (liquid nitrogen and alcohol) compatible heat sink system for space environment simulation test equipment |
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| CN101576359A CN101576359A (en) | 2009-11-11 |
| CN101576359B true CN101576359B (en) | 2012-08-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717903B (en) * | 2012-06-29 | 2015-07-08 | 北京卫星环境工程研究所 | Honeycomb type stainless steel expansion plate heat sink |
| CN103318427B (en) * | 2013-06-25 | 2016-03-30 | 上海宇航系统工程研究所 | A kind of space environment simulation test system |
| CN104571176B (en) * | 2014-12-05 | 2017-02-22 | 上海卫星装备研究所 | High-precision zone control temperature simulation device |
| CN108801030A (en) * | 2018-07-12 | 2018-11-13 | 兰州真空设备有限责任公司 | Aluminium section bar is heat sink |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667730A (en) * | 1984-09-07 | 1987-05-26 | Contraves Ag | Temperature regulating apparatus for a laboratory reaction vessel arrangement |
| CN1158549A (en) * | 1996-02-29 | 1997-09-03 | 中国科学院上海光学精密机械研究所 | Microchannel cooling heat sink |
| CN2326928Y (en) * | 1998-05-08 | 1999-06-30 | 郎风 | Capillary-tube efficient heat-exchanger |
| EP1255087A1 (en) * | 1998-11-02 | 2002-11-06 | SANYO ELECTRIC Co., Ltd. | Stirling device |
| CN201384954Y (en) * | 2008-12-23 | 2010-01-20 | 中国航天科技集团公司第五研究院第五一〇研究所 | Liquid nitrogen and alcohol double-medium compatible heat-sink system of space environment simulation test equipment |
-
2008
- 2008-12-23 CN CN 200810188293 patent/CN101576359B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667730A (en) * | 1984-09-07 | 1987-05-26 | Contraves Ag | Temperature regulating apparatus for a laboratory reaction vessel arrangement |
| CN1158549A (en) * | 1996-02-29 | 1997-09-03 | 中国科学院上海光学精密机械研究所 | Microchannel cooling heat sink |
| CN2326928Y (en) * | 1998-05-08 | 1999-06-30 | 郎风 | Capillary-tube efficient heat-exchanger |
| EP1255087A1 (en) * | 1998-11-02 | 2002-11-06 | SANYO ELECTRIC Co., Ltd. | Stirling device |
| CN201384954Y (en) * | 2008-12-23 | 2010-01-20 | 中国航天科技集团公司第五研究院第五一〇研究所 | Liquid nitrogen and alcohol double-medium compatible heat-sink system of space environment simulation test equipment |
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Address after: 730000 No. 97, Weiyuan Road, Lanzhou, Gansu Patentee after: No.501Inst., No.5 Academy, China Aerospace Science and Technology Corp. Patentee after: LANZHOU HUAYU SPACE TECHNOLOGY APPLICATIONS LTD. Address before: 730000 No. 97, Weiyuan Road, Lanzhou, Gansu Patentee before: No.501Inst., No.5 Academy, China Aerospace Science and Technology Corp. Patentee before: Lanzhou Huayu High Technology Application Development Company |
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