CN108051235B - The double-deck Anti-splash molecule sink structure and its cooling means of ground electric propulsion test - Google Patents
The double-deck Anti-splash molecule sink structure and its cooling means of ground electric propulsion test Download PDFInfo
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- CN108051235B CN108051235B CN201810031041.5A CN201810031041A CN108051235B CN 108051235 B CN108051235 B CN 108051235B CN 201810031041 A CN201810031041 A CN 201810031041A CN 108051235 B CN108051235 B CN 108051235B
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- molsink
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0021—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for aircrafts or cosmonautics
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The present invention provides the double-deck Anti-splash molecule sink structure of ground electric propulsion test, the refrigerating method of the double-deck Anti-splash molecule sink structure is related to plasma space environmental-test facility technical field.Wherein, the double-deck Anti-splash molecule sink structure of ground electric propulsion test, including secondary end Anti-splash molsink and end Anti-splash molsink, end Anti-splash molsink and time end Anti-splash molsink are along cylinder axial alignment, end Anti-splash molsink is located at the bottom end of cylinder, secondary end Anti-splash molsink is located at the inside of cylinder, and cylinder is for mounting end Anti-splash molsink and time end Anti-splash molsink.The invention is able to solve the technical problem of the Anti-splash ability difference of the Anti-splash structure of electric propulsion test in ground existing in the prior art.
Description
Technical field
The present invention relates to plasma space environmental-test facility technical fields more particularly to ground electric propulsion to test
The double-deck Anti-splash molecule sink structure and ground electric propulsion testing machine with the above-mentioned double-deck Anti-splash molsink.
Background technique
Compared with traditional chemical thruster, electric thruster has the characteristics that than leaping high, thrust is small, the long-life, therefore electricity pushes away
Into the payload of spacecraft can be improved, improve rail control precision, service life of spacecraft is substantially improved, worldwide by
To being widely applied.The electric thruster of China also passes through the research of decades and graduallys mature, but electric thruster is in China's satellite
The precedent of upper application not yet, and electric thruster plume splash effect influences whether the service life and spacecraft temperature of spacecraft
The normal use of the components such as control, optics, the splash effect to spacecraft are to cannot be neglected.Since plume experiment in space is very difficult
And expensive, researchers have then carried out long-term ground vacuum cabin to ion sputtering corrosion effect and have tested.But carry out ground
In vacuum chamber experiment, the background sputtering effect of vacuum bulkhead has seriously affected experimental result, and therefore, it is necessary to carry out Anti-splash molecule
Heavy rational design.
One important prerequisite of electric propulsion plume ground experiment is to guarantee that background sputtering effect is small as far as possible, so that experimental situation
It can reach the set quota.The design structure master to shoot at the target more in the world suitable for the splashproof of the large-scale vacuum chamber of electric propulsion
There is flat, two kinds of special-shaped formula.But all sputtering targets are all single layer structures.The structure shot at the target such as the splashproof of LEEP2 and
The splashproof of the LVTF vacuum chamber of Aerospazio company, which is shot at the target, is all made of flat type, the IV10vacuum of Alta company
The cone key protection core part of the beam that the special-shaped splashproof of chamber is shot at the target using middle with hole.
The back amount of the sputtering product of sputtering target material is considered as while fully considering the Anti-splash effect that splashproof is shot at the target
It should lack as far as possible, it is possible to reduce the influence to thruster and test parts, this just needs to optimize the structure that splashproof is shot at the target
Design is to achieve the effect that the long-life and the cleannes for improving test space environment that splashproof is shot at the target.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide the double-deck Anti-splash molecule sink structure of ground electric propulsion test
The technical problem of the Anti-splash ability difference of the Anti-splash structure of the test of ground electric propulsion present in technology.
The double-deck Anti-splash molecule sink structure of ground electric propulsion test, including secondary end Anti-splash molsink and end splashproof
Molsink is penetrated, end Anti-splash molsink and time end Anti-splash molsink are along cylinder axial alignment, end Anti-splash molsink position
In the bottom end of cylinder, secondary end Anti-splash molsink is located at the inside of cylinder, cylinder for mounting end Anti-splash molsink and time
Hold Anti-splash molsink.
The double-deck Anti-splash molecule sink structure of electric propulsion test in ground of the present invention has the beneficial effect that
The bilayer Anti-splash molecule sink structure have passed through positioned at the end Anti-splash molsink of cylinder body bottom and positioned at cylinder
The absorption of internal secondary end Anti-splash molsink, absorbs twice, more effectively prevents in electric propulsion due to the sputtering pair of cabin inner wall
The influence of experimental result.
Preferred technical solution, supplementary features are: setting in end Anti-splash molsink and time end Anti-splash molsink
There is coolant liquid perfusion tube.
It is added cooling line in Anti-splash molsink, reduces wall surface temperature, adsorb the xenon ion in plume and various splash
Ingredient is penetrated, better Anti-splash effect is played.
Preferred technical solution, supplementary features are: secondary end Anti-splash molsink is with end Anti-splash molsink
It is plate shaped.
Further preferred technical solution, supplementary features are: secondary end Anti-splash molsink has triangular fin.
Specifically, triangular fin can be isosceles triangle, the base angle of isosceles triangle can be less than 10 °.Secondary end is anti-
The product stream field that the angle of fins of sputtering molsink design can effectively prevent Anti-splash molsink sputtering in end from returning
It influences.
Further preferred technical solution, supplementary features are: end Anti-splash molsink has sector fin.
Technical solution still further preferably, supplementary features are: the dog-ear of sector fin is 150 °, and same cold
But the part of two sector fins of liquid perfusion tube connection is arranged in parallel.
Technical solution still further preferably, supplementary features are: coolant liquid perfusion tube is 316 stainless steel tubes, dog-ear
Shape fin and triangular fin are T2 red copper fin, and coolant liquid perfusion tube is fixed with sector fin and triangular fin respectively to be connected
It connects.
Technical solution still further preferably, supplementary features are: the outer surface of triangular fin is coated with the first carbon
Felt, the inner surface of sector fin are coated with the second carbon felt.
Technical solution still further preferably, supplementary features are: further including cooling recirculation system, cooling recirculation system
Including cooling system, cylinder pipeline coolant control valve, end molecule immersed tube road coolant control valve, the cooling hydraulic control of skeleton pipeline
Valve processed, low temperature tapping valve, cylinder skeleton perfusion tube, end molsink perfusion tube, cylinder perfusion tube, cooling system pass through cylinder pipe
Road coolant control valve connector drum perfusion tube, cooling system are infused by skeleton pipeline coolant control valve connector drum skeleton
Pipe, cooling system pass through end molecule immersed tube road coolant control valve, cylinder skeleton perfusion tube, end molsink perfusion tube, cylinder
Body perfusion tube is connect with low temperature tapping valve.
The cooling cycle pipeline of Anti-splash molsink is connected with the liquid-supplying system in cabin big outside cabin, facilitates pipe-line layout and behaviour
Make, is adjusted convenient for synchronizing temperature with cabin.
It is another object of the present invention to provide a kind of double-deck Anti-splashs using above-mentioned ground electric propulsion test
The refrigerating method of molecule sink structure structure, comprising the following steps:
Open cylinder pipeline coolant control valve, end molsink perfusion tube coolant control valve and skeleton pipeline coolant liquid
The coolant liquid perfusion tube of control valve, starting cooling recirculation system, secondary end Anti-splash molsink and end Anti-splash molsink is passed through
Coolant liquid, while line temperature and cooling rate are adjusted by coolant control valve, when end Anti-splash molsink and time end
When the temperature of Anti-splash molsink reaches minimum, closes cooling system control valve and stop cooling fluid supply；
Low temperature tapping valve is opened, it will be in the coolant liquid perfusion tube of secondary end Anti-splash molsink and end Anti-splash molsink
Coolant liquid is discharged by low temperature tapping valve, by observation, when flowing out in low temperature tapping valve without coolant liquid, closes low temperature drain
Valve.
Refrigerating method of the present invention has the beneficial effect that
In entire cooling procedure, end molsink perfusion tube coolant control valve and the cooling hydraulic control of skeleton pipeline are opened simultaneously
Valve processed, it is ensured that secondary end Anti-splash molsink and end Anti-splash molsink in the double-deck Anti-splash molsink cool down simultaneously.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the general illustration of the double-deck Anti-splash molsink of the invention；
Fig. 2 is cooling cycle schematic diagram in the present invention；
Fig. 3 is general pipeline connection schematic diagram shown in D-D section in Fig. 1；
Fig. 4 is to support schematic diagram in Fig. 1 shown in B-B section；
Fig. 5 is piping connection schematic diagram shown in C-C section in Fig. 1；
Fig. 6 is bilayer Anti-splash molsink axial arrangement schematic diagram shown in A-A section in Fig. 1；
Fig. 7 is the structural schematic diagram of local I time end Anti-splash molsink monolithic in Fig. 6；
Fig. 8 is the structural schematic diagram of the end local I I Anti-splash molsink upper side fin in Fig. 6；
Fig. 9 is the structural schematic diagram of local I V cylinder fin in Fig. 6；
Figure 10 is B direction view in Fig. 1；
Figure 11 is secondary in Fig. 6 holds between Anti-splash molsink and end Anti-splash molsink apart from schematic diagram.
The meaning that appended drawing reference used in each embodiment indicates is as follows:
1- bilayer Anti-splash molsink cylinder skeleton；2- cylinder cools down tube sheet；3- supports pulley；The infusion of 4- cylinder skeleton
Pipe；The end 5- molsink perfusion tube；6- cylinder perfusion tube；7- low temperature tapping valve；801- cylinder pipeline coolant control valve；802-
End molecule immersed tube road coolant control valve；803- skeleton pipeline coolant control valve；The first fixed block of 9-；10- heat insulation loop；
The first U bolt of 11-；The second fixed block of 12-；The first heat insulating mattress of 13-；The second heat insulating mattress of 14-；The second U bolt of 15-；16-
Third fixed block；17- third heat insulating mattress；The 4th heat insulating mattress of 18-；19- third U bolt；20- end Anti-splash molsink；
The end 21- Anti-splash molsink；22- coolant liquid perfusion tube；The copper substrate of 23-；24- equadag coating；The end 25- molsink wing
Piece；26- cylinder fin.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
As shown in figs. 1,2 and 6, a kind of sputtering in electric propulsion cabin that is directed to applied in vacuum chamber of the invention acts on
The double-deck Anti-splash molsink, including the cooling tube sheet 2 of the double-deck Anti-splash molsink cylinder skeleton 1, cylinder, support pulley 3, secondary end
Anti-splash molsink 20 and end Anti-splash molsink 21, Anti-splash molsink include the cylinder molsink matched with bulkhead,
End Anti-splash molsink and time end Anti-splash molsink, end Anti-splash molsink 21 are fixed by bolts in the double-deck Anti-splash
On molsink cylinder skeleton 1, secondary end Anti-splash molsink 20 is set with the double-deck Anti-splash molsink cylinder skeleton using integrated
Meter, secondary end Anti-splash molsink 20 are 2500mm at a distance from end Anti-splash molsink 21.
As shown in Fig. 2, the cooling recirculation system of the double-deck Anti-splash molsink includes: cooling system, cylinder pipeline coolant liquid
Control valve 801, end molecule immersed tube road coolant control valve 802 and skeleton pipeline coolant control valve 803, low temperature tapping valve 7
And cylinder skeleton perfusion tube 4, end molsink perfusion tube 5 shown in Fig. 1 and cylinder perfusion tube 6.Cooling system passes through cylinder
801 connector drum perfusion tube 4 of body pipeline coolant control valve, cooling system are connected by skeleton pipeline coolant control valve 803
Cylinder skeleton perfusion tube 4, cooling system pass through end molecule immersed tube road coolant control valve 802, cylinder skeleton perfusion tube 4, end
Portion's molsink perfusion tube 5, cylinder perfusion tube 6 outlet end connect with low temperature tapping valve 7.The entrance of cooling recirculation system is figure
The pipeline group being made of in 1 cylinder skeleton perfusion tube 4, end molsink perfusion tube 5 and the cylinder perfusion tube 6 of lower section, liquid outlet
The pipeline group formed for cylinder skeleton perfusion tube 4, end molsink perfusion tube 5 and the cylinder perfusion tube 6 above Fig. 1.
As shown in figure 3, cylinder skeleton perfusion tube 4 and the first fixed block 9 are adjacent, the first U-shaped spiral shell is installed in the first fixed block 9
Bolt 11, wherein heat insulation loop is set on the position that the first U bolt 9 is through in the first fixed block 9, the U-shaped of the first U bolt 9
Bottom is connected on the double-deck Anti-splash molsink cylinder skeleton 1.
As shown in figure 4, cylinder perfusion tube 6 is clamped by the first heat insulating mattress 13 and the second heat insulating mattress 14,13 He of the first heat insulating mattress
Second heat insulating mattress 14 is connected on the first fixed block 12 by the second U bolt 15, and the first fixed block 12 is supported with end molsink
Perfusion tube 5.
As shown in figure 5, end molsink perfusion tube 5 is clamped by third heat insulating mattress 17 and the 4th heat insulating mattress 18, third is heat-insulated
Pad 17 and the 4th heat insulating mattress 18 are connected on third fixed block 16 by third U bolt 19, and third fixed block 16 is supported with end
Molecule cylinder perfusion tube 6.
As shown in Figure 10, the double-deck Anti-splash molsink cylinder includes: the double-deck Anti-splash for the annular that diameter is Φ 3400mm
Molsink cylinder skeleton 1, the cooling tube sheet 2 of cylinder to be linked together by fin shown in Fig. 9 and entire body skeleton, cylinder are cooling
The diameter of the gabarit for the cylinder that tube sheet 2 surrounds is Φ 3200mm, long 5800mm.Cylinder by with the double-deck Anti-splash molsink cylinder
On the track that the support pulley 3 that skeleton 1 is connected is connected in vacuum chamber, support the structure of pulley as shown in Figure 1.
As shown in figure 9, the coolant liquid perfusion tube 22 and two cylinder fins in cylinder weld, cylinder skeleton perfusion tube 4, end
Portion's molsink perfusion tube 5, cylinder perfusion tube 6 are 316 stainless steel straight tubes 22.Correspondingly, whole fins is T2 red copper fin
Material.The pipe size of coolant liquid perfusion tube 22 is Φ 21mm, wall thickness 2.2mm, the thickness of cylinder fin and end molsink fin
1.5mm, every wide 110mm.135 ° of angle between 26 plane of cylinder fin and folding face can preferably prevent from sputtering between gap
Product returns in mainstream field.The inner surface of cylinder molsink is coated with the second carbon felt.
Fig. 6 show the axial arrangement schematic diagram of bilayer Anti-splash molsink shown in the A-A section of Fig. 1.End Anti-splash point
Son heavy 21 is located at cylinder bottom end, and end Anti-splash molsink 21 is fixed by bolts in the double-deck Anti-splash molsink cylinder skeleton 1
On, replacement easy to disassemble.21 structure of end Anti-splash molsink as shown in Fig. 6, Fig. 8 and Fig. 9, end Anti-splash molsink 21
End molsink fin 25 is designed using " people " font scrap (bridge), and 150 ° of herringbone angle, the people of the heavy fin 25 of every end part
Angle of the two parts of font between the plane perpendicular to axis of cylinder is 15 °, both angles, which are all more advantageous to, to be subtracted
Influence of the sputtering product to mainstream field less.Every radicle molsink perfusion tube 5 is connected with parallel end molsink fin 25
Longer portion, the longer portion of two panels end molsink fin 25 and the angle of cylinder cross section are 15 °, two panels end molsink
The longer portion of fin 25 is further continued for extending outwardly, and distinguishes 30 ° of dog-ear again after extending equal length, i.e. the heavy wing of every end part
Two parts angle of piece 25 is 150 °, the adjacent two panels end molsink fin of two adjacent radicle molsink perfusion tubes 5
21 longer portion is arranged in parallel, and the adjacent two panels end molsink wing of two adjacent radicle molsink perfusion tubes 5
The shorter part of piece 21, it is also parallel to each other, also with to the longer portion of other a piece of end molsink fin 21 in cylinder
There is overlapping in the circumferential direction of wall.The material of end Anti-splash molsink is identical as cylinder molsink.The interior table of end molsink fin
Bread is covered with the second carbon felt.
Secondary end Anti-splash molsink fin is along the intracorporal circumferential array of cylinder, and towards the central axes of cylinder, fin structure
Such as Fig. 7, the triangular surface being made of copper substrate 23 is wrapped in coolant liquid perfusion tube 22.The interface of the copper substrate 24 is
Isosceles triangle, the bottom edge of isosceles triangle and the axis direction of cylinder are parallel, adhere to one layer of graphite in copper substrate surface and apply
Layer 24, to reduce sputtering product, isosceles triangle base angle < 10 °.The material and cylinder molsink of end Anti-splash molsink
It is identical.
Embodiment two
Using a kind of above-mentioned method of the double-deck Anti-splash molsink refrigeration, as shown in Fig. 2, specifically:
(1) cylinder pipeline coolant control valve 801, end molsink perfusion tube coolant control valve 802 and skeleton are opened
Pipeline coolant control valve 803 starts cooling recirculation system, is passed through coolant liquid to the double-deck Anti-splash molsink pipeline, leads to simultaneously
Cross opening cylinder pipeline coolant control valve 801, end molsink perfusion tube coolant control valve 802 and skeleton pipeline coolant liquid
Control valve 803 adjusts line temperature and cooling rate, when the cooling tube sheet 2 of cylinder, end Anti-splash molsink 21 and secondary end are anti-
When the temperature of sputtering molsink 20 reaches minimum, cold opening cylinder pipeline coolant control valve 801, the infusion of end molsink are closed
Pipe coolant control valve 802 and skeleton pipeline coolant control valve 803 stop cooling fluid supply；
(2) low temperature tapping valve 7 is opened, by cylinder perfusion tube 6, end molsink perfusion tube 5 and cylinder skeleton perfusion tube 4
In a large amount of coolant liquids be discharged by tapping valve 7, pass through observation, when flowing out in tapping valve 7 without coolant liquid, close low temperature drain
Valve 7.
In entire cooling procedure, it is ensured that the double-deck Anti-splash molsink cylinder skeleton 1, cylinder cooling tube sheet 2, secondary end splashproof
It penetrates molsink 20 and end Anti-splash molsink 21 while cooling down.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement.
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Range.
Claims (9)
1. the double-deck Anti-splash molecule sink structure of ground electric propulsion test, which is characterized in that including secondary end Anti-splash molsink
(20) and end Anti-splash molsink (21), the end Anti-splash molsink (21) and described end Anti-splash molsink (20)
Along cylinder axial alignment, end Anti-splash molsink (21) is located at the bottom end of the cylinder, secondary end Anti-splash molsink (20) position
In the inside of the cylinder, the cylinder is for installing the end Anti-splash molsink (21) and described end Anti-splash molecule
Heavy (20).
2. the double-deck Anti-splash molecule sink structure of electric propulsion test in ground according to claim 1, which is characterized in that institute
It states in end Anti-splash molsink (21) and described end Anti-splash molsink (20) and is equipped with coolant liquid perfusion tube (22).
3. the double-deck Anti-splash molecule sink structure of electric propulsion test in ground according to claim 2, which is characterized in that institute
It states time end Anti-splash molsink (20) and end Anti-splash molsink (21) is plate shaped.
4. the double-deck Anti-splash molecule sink structure of electric propulsion test in ground according to claim 3, which is characterized in that institute
Stating time end Anti-splash molsink (20) has triangular fin.
5. the double-deck Anti-splash molecule sink structure of electric propulsion test in ground according to claim 4, which is characterized in that institute
End Anti-splash molsink (21) is stated with sector fin.
6. the double-deck Anti-splash molecule sink structure of electric propulsion test in ground according to claim 5, which is characterized in that institute
Stating coolant liquid perfusion tube (22) is 316 stainless steel tubes, and the sector fin and the triangular fin are T2 red copper fin, institute
Coolant liquid perfusion tube (22) is stated to be fixedly connected with the sector fin and the triangular fin respectively.
7. the double-deck Anti-splash molecule sink structure of electric propulsion test in ground according to claim 5, which is characterized in that institute
The outer surface for stating triangular fin is coated with the first carbon felt, and the inner surface of the sector fin is coated with the second carbon felt.
8. the double-deck Anti-splash molecule sink structure of electric propulsion test in ground according to claim 5, which is characterized in that also
Including cooling recirculation system, the cooling recirculation system includes cooling system, cylinder pipeline coolant control valve (801), end
Molsink pipeline coolant control valve (802), skeleton pipeline coolant control valve (803), low temperature tapping valve (7), cylinder skeleton
Perfusion tube (4), end molsink perfusion tube (5), cylinder perfusion tube (6), the cooling system are cooling by the cylinder pipeline
Hydraulic control valve (801) connects the cylinder perfusion tube (6), and the cooling system passes through the skeleton pipeline coolant control valve
(803) the cylinder skeleton perfusion tube (4) is connected, the cooling system passes through end molecule immersed tube road coolant control valve
(802), the cylinder skeleton perfusion tube (4), the end molsink perfusion tube (5), the cylinder perfusion tube (6) with it is described
Low temperature tapping valve (7) connection.
9. a kind of refrigeration side of the double-deck Anti-splash molecule sink structure structure of electric propulsion test in ground according to any one of claims 8
Method, comprising the following steps:
Open the cylinder pipeline coolant control valve (801), the end molsink perfusion tube coolant control valve (802) and
The skeleton pipeline coolant control valve (803) starts cooling recirculation system, secondary end Anti-splash molsink (20) and end splashproof
The coolant liquid perfusion tube (22) for penetrating molsink (21) is passed through coolant liquid, while by opening cylinder pipeline coolant control valve
(801), end molsink perfusion tube coolant control valve (802) and skeleton pipeline coolant control valve (803) adjust pipeline
Temperature and cooling rate, when the temperature of end Anti-splash molsink (21) He Ciduan Anti-splash molsink (20) reaches minimum,
Close the cooling cylinder pipeline coolant control valve (801), the end molsink perfusion tube coolant control valve (802) and
The skeleton pipeline coolant control valve (803) stops cooling fluid supply；
It opens low temperature tapping valve (7), the coolant liquid of secondary end Anti-splash molsink (20) and end Anti-splash molsink (21) is defeated
Coolant liquid in liquid pipe is discharged by low temperature tapping valve (7), by observation, when being flowed out in low temperature tapping valve (7) without coolant liquid,
It closes low temperature tapping valve (7).
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| CN101718626B (en) * | 2009-11-10 | 2011-11-16 | 北京航空航天大学 | Heat sink wall panel structure arrangement for increasing absorption of plume gas |
| CN101947474B (en) * | 2010-07-21 | 2012-03-21 | 北京航空航天大学 | Fractional liquid supply temperature self compensation liquid helium heat sink structure |
| CN102175456B (en) * | 2011-01-28 | 2012-11-07 | 北京航空航天大学 | Straight cylindrical liquid-nitrogen liquid-helium double-medium compatible heat sink device and refrigeration method thereof |
| CN102228845B (en) * | 2011-04-19 | 2013-04-03 | 北京航空航天大学 | Automatic cooling heat sink framework and refrigeration method thereof |
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