CN106484001B - Cable high accuracy temperature control device on spacecraft thermal vacuum test star - Google Patents
Cable high accuracy temperature control device on spacecraft thermal vacuum test star Download PDFInfo
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- CN106484001B CN106484001B CN201510527323.0A CN201510527323A CN106484001B CN 106484001 B CN106484001 B CN 106484001B CN 201510527323 A CN201510527323 A CN 201510527323A CN 106484001 B CN106484001 B CN 106484001B
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- tank body
- temperature control
- cable
- inner tank
- cover plate
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Abstract
The invention discloses cable high accuracy temperature control device on a kind of vacuum thermal test star, it is made up of the temperature control tank splicing of some unit lengths, temperature control tank is mainly made up of temperature control groove body and cover plate, temperature control groove body includes inner tank body and outer tank body two parts, cover plate includes inner cover plate and outer cover plate two parts, inner cover plate and outer cover plate cover the top surface for being located at interior outer tank body respectively, some cable separating posts are placed with side wall and bottom surface inside inner tank body respectively, so that every cable separately to be placed in order, water jacket external surface is sticked and has heating plate, the temperature control of inner tank body is controlled by adjusting heating plate, inner tank body, mainly conducted heat between outer tank body by heat radiation, ensure that the temperature of inner tank body is uniform.The cable temperature of cable is strict controlled within the scope of 40 DEG C ± 5 DEG C on the more stars of the present invention, and temperature difference of the unit cable along path is controlled within the scope of ± 2 DEG C.
Description
Technical field
The invention belongs to spacecraft thermal test technical field, and in particular to one kind is used under spacecraft thermal vacuum test environment
Cable high accuracy temperature control device on star.
Background technology
In the vacuum thermal test of the especially most of telecommunication satellites of spacecraft, cable is by space environment simulation on a large amount of stars
Device is outer to be connected to satellite by the flange through walls on environment simulator.It is a radiation background in space simulator
Temperature is less than -173 DEG C of heat sink environment, and cable needs on more stars of nearly ten meters of long ranges that satellite is connected to by flange through walls
Carry out temperature control processing.It is relatively low to the temperature control requirement of cable in conventional model heat test, it is only necessary to by cable temperature control-
10 DEG C -40 DEG C of routine use scope, multi-cable is put into frock in experiment and winds multilayer aluminizer progress isothermal holding.
As part spacecraft payload ground testing system upgrades to multichannel vector test system, to cable on star
The amplitude-phase consistency of radio frequency testing passage requires very high, and phase of cable performance vary with temperature it is larger.Ensure test letter
Number transmit accuracy, it is necessary to which cable temperature is strict controlled in into 40 DEG C ± 5 DEG C within the scope of, temperature of the unit cable along path
Difference is controlled within the scope of ± 2 DEG C, and temperature-controlled precision greatly improved more in the past.In addition, cable is that band power generates heat on the star of part
Cable, the isothermal holding means of conventional simple bag multilayer aluminizer can not meet existing cable temperature control requirement.
Therefore, in order in spacecraft thermal vacuum test by star cable control in a high-precision scope, it is necessary in sky
Between cable high accuracy temperature control device on a set of vacuum thermal test star of installation in environment simulator.The device will be connected by flange through walls
Cable is placed and wherein carries out temperature control on to more stars of nearly ten meters of long ranges of satellite.Can be by cable temperature during vacuum thermal test
Degree is strict controlled within the scope of 40 DEG C ± 5 DEG C, and temperature difference of the unit cable along path is controlled within the scope of ± 2 DEG C, from
And ensure phase of cable stable performance on star, ensure the accuracy of payload ground test, greatly improve test accuracy and examination
Test level.
The content of the invention
, can the technical problem to be solved in the present invention is to provide cable high accuracy temperature control device on a kind of vacuum thermal test star
Cable on more stars of nearly ten meters of long ranges that satellite is connected to by flange through walls is placed and wherein carries out temperature control.Vacuum thermal test
Cable temperature can be strict controlled within the scope of 40 DEG C ± 5 DEG C by period, and temperature difference control of the unit cable along path exists
Within the scope of ± 2 DEG C.
The present invention seeks to what is be achieved through the following technical solutions：
Cable high accuracy temperature control device on a kind of vacuum thermal test star, it is made up of the temperature control tank splicing of some unit lengths,
The temperature control tank of unit length is mainly made up of temperature control groove body and cover plate, and temperature control groove body includes inner tank body and outer tank body two
Point, inner tank body, outer tank body are U-shape structure and inner tank body is nested in outer tank body, and the apical side height of inner tank body is less than outer tank body
Apical side height, number of cables determines that the bottom of inner tank body and outer tank body leads on the star that the depth of inner tank body is placed according to inside
Cross bolt to be fixedly connected, both junctions set heat-proof device to reduce heat conduction between the two；Cover plate include inner cover plate and
Outer cover plate two parts, inner cover plate lid are located at the top surface of inner tank body, and outer cover lid is located at the top surface of outer tank body, the side inside inner tank body
It is arranged side by side at certain intervals respectively on wall and bottom surface to have some cable separating posts, every cable is separately placed in order, outside
Temperature control tank mounting interface is set in the exterior side wall of cell body for splicing temperature control tank, wherein, water jacket external surface is sticked and has heating
Piece and the multilayer insulation component for coating 5 units, the temperature control of inner tank body are mainly pasted onto outer tank body surface by regulation
Heating plate be controlled, mainly conducted heat between inner tank body, outer tank body by heat radiation, ensure that the temperature of inner tank body is equal
It is even.
Wherein, inner tank body, outer tank body are made up of hard aluminium sheet.
Wherein, the thickness of hard aluminium sheet is 1-5mm.
Wherein, the surface spraying high emissivity of outer tank body towards inner tank body is pitch-dark, enhancing and the radiation heat transfer of inner tank body.
Further, the overall inner surface of inner tank body and overall outer surface spraying high emissivity are pitch-dark, for strengthening inside groove
Radiation heat transfer between body and outer tank body and between inner tank body and cable.
Wherein, heat-proof device is polyimides cushion block or fiberglass cushion block.
Wherein, inner cover plate, outer cover plate paste some thermocouples progress temperature monitorings respectively.
Further, inner tank body, outer tank body paste some thermocouples progress temperature controls and monitoring respectively.
Wherein, the distance and number of cable separating post, cable separating post are determined according to the cable number set in inner tank body
The distance between be slightly larger than cable size.
Wherein, cable separating post is made up of the screw with heat insulating mattress.
Wherein, heat insulating mattress is annulus or boss sleeve-shaped.
Cable high accuracy temperature control device on spacecraft thermal vacuum test star provided by the present invention, during vacuum thermal test
Cable temperature is tight on more stars of the nearly ten meters of long ranges that satellite can will be connected to by space simulator flange through walls
Lattice are controlled within the scope of 40 DEG C ± 5 DEG C, and temperature difference of the unit cable along path is controlled within the scope of ± 2 DEG C, so as to protect
Phase of cable stable performance on star is demonstrate,proved, ensures the accuracy of payload ground test, greatly improves test accuracy and experiment water
It is flat.
Brief description of the drawings
Fig. 1 is cable high accuracy temperature control schematic device on the spacecraft thermal vacuum test star of the present invention.Wherein, 1. enclosing cover
Plate；2. inner cover plate；3. outer tank body；4. inner tank body；5. cable separating post；6. cable；7. temperature control tank mounting interface.
Fig. 2 is cable high accuracy temperature control device Design on thermal insulation schematic diagram on the spacecraft thermal vacuum test star of the present invention.
Wherein, 8. cover plate heat insulating mattress；9. cell body heat insulating mattress；10. temperature regulating device installing plate heat insulating mattress.
Embodiment
Traveling one is entered to cable high accuracy temperature control device on the spacecraft thermal vacuum test star of the present invention below in conjunction with the accompanying drawings
Step explanation, what the explanation was merely exemplary, it is no intended to limit the scope of the invention.
Referring to Fig. 1, Fig. 1 is cable high accuracy temperature control schematic device on the spacecraft thermal vacuum test star of the present invention.Should
Device is made up of the temperature control tank splicing of some unit lengths, and the temperature control tank of unit length is mainly by temperature control groove body and cover plate group
Into.Temperature control groove body includes inner tank body and outer tank body two parts, and inner tank body, outer tank body are U-shape structure and inner tank body is nested in
In outer tank body, the bottom of inner tank body and outer tank body is bolted to connection, and both junctions set heat-proof device to reduce
Heat conduction between the two；Cover plate includes inner cover plate and outer cover plate two parts, and inner cover plate lid is located at the top surface of inner tank body, outer cover lid
It is located at the top surface of outer tank body.Cover plate is fastened on the outer tank body top of temperature control tank by outer cover plate, the temperature regulating device is formed one
The space of " closed ".Temperature control tank mounting interface is fixed for splicing and consolidating by screw or rivet in the side of outer tank body, bottom
The fixed temperature regulating device.By poly- between inner cover plate and outer cover plate, inner tank body and outer tank body, outer tank body and temperature control tank mounting interface
Acid imide or polytetrafluoroethylene (PTFE) heat insulating mattress are thermally shielded.In addition, water jacket external surface, which is sticked, 5 units of heating plate and cladding
Multilayer insulation component.
The cover plate of the present invention is located at the top of the temperature regulating device, and cover plate is mainly made up of outer cover plate and inner cover plate, inside and outside lid
Plate is made by 1mm hard aluminium sheets, and it is pitch-dark that inside and outside lid surface sprays high emissivity.Inside and outside cover board is bolted solid
Fixed, the thick 3mm of junction installation polyimides cushion block or fiberglass cushion block is for heat-insulated.If inside and outside cover plate is pasted xeothermic respectively
Galvanic couple carries out temperature monitoring.
The temperature control groove body of the present invention is mainly made up of outer tank body and inner tank body, and inside and outside cell body is by 1mm hard aluminium sheet systems
Into as shown in figure 1, inside and outside cell body is " U-shaped " structure, the number of cables that its depth is placed according to inside determines.Inner tank body and
Fixation is bolted between outer tank body, junction installation heat-proof device reduces heat conduction therebetween.Water jacket external surface
Heating plate is pasted according to power requirement and coats 5 unit multi-layer insulating assemblies, and outer tank body is black towards inside groove dignity spraying high emissivity
Paint.Inside and outside cell body pastes some thermocouples and carries out temperature control and monitoring respectively.Outer aluminium groove both ends are provided with temperature control tank installation and connect
Mouthful, for unit length high accuracy temperature control groove to be connected, composition is overall to carry out heat test.
The cable separating post of the present invention is arranged in inner tank body, and the purpose of cable separating post is that every cable is separately orderly
Place, as shown in Figure 1.Cable number according to being installed in inner tank body determines the distance and number of cable separating post, cable separating
The distance between post is slightly larger than cable size, and cable separating post typically can be by forming with heat-insulated grommet screw, heat-insulated cushion material one
As be polyimides or glass-reinforced plastic material, heat insulating mattress is boss sleeve-shaped, is slid easily to prevent cable.
The temperature control tank mounting interface of the present invention is 2mm-10mm hard aluminium sheet, and outer tank body is fixed by screw or rivet
Side, bottom.For splicing and fixing the temperature regulating device.
The heat-insulated mat structure reference picture 2 of the present invention, heat-insulated cushion material is polyimides or polytetrafluoroethylene (PTFE), and thickness is generally
2mm-6mm annulus or projection shape.Heat insulating mattress is located at inner cover plate and outer cover plate, inner tank body and outer tank body, outer tank body and temperature control
Between groove mounting interface, reduce the heat conduction between each several part.
Constituent parts length temperature control tank is being linked to be entirety in space simulator using temperature control tank mounting interface using preceding
Inside it is fixed.Between cable on star is placed on into the cable separating post of inner tank body by root, cable basic guarantee arranged apart
Every cable is to roughly the same with the ascent for the radiation heat transfer environment that inner cover plate forms by inner tank body, after the completion of cable is placed
Cover temperature control tank cover plate.
Mainly by the temperature of inner tank body come the temperature of each cable of adjustment control, the temperature control of inner tank body during heat test
The heating plate on outer tank body surface is mainly pasted onto to carry out by regulation, conducted heat between inside and outside cell body by heat radiation,
It can ensure that the temperature of inner tank body is uniform.Cable temperature can be controlled by the temperature of reasonable adjusting inner tank body in high-precision model
Enclose.
In the device between cable, inner tank body, inner cover plate, between inner tank body and outer tank body, between inner cover plate and outer cover plate
Mainly conducted heat by heat radiation, ensure that cable, inner tank body, the temperature homogeneity of inner cover plate.Carrying out vacuum heat examination
When testing, cable temperature can be controlled by the temperature of reasonable adjusting inner tank body in high-precision scope.
Although giving detailed description and explanation to the embodiment of the present invention above, it should be noted that
We can carry out various equivalent changes and modification to above-mentioned embodiment according to the conception of the present invention, and its caused function is made
, all should be within protection scope of the present invention during with the spirit still covered without departing from specification and accompanying drawing.
Claims (10)
1. cable high accuracy temperature control device on a kind of vacuum thermal test star, it is made up of the temperature control tank splicing of some unit lengths, it is single
The temperature control tank of bit length is mainly made up of temperature control groove body and cover plate, and temperature control groove body includes inner tank body and outer tank body two parts,
Inner tank body, outer tank body are U-shape structure and inner tank body is nested in outer tank body, and the apical side height of inner tank body is less than the top of outer tank body
Face height, the depth of inner tank body determine that the bottom of inner tank body and outer tank body passes through spiral shell according to number of cables on the internal star placed
Bolt is fixedly connected, and both junctions set heat-proof device to reduce heat conduction between the two；Cover plate includes inner cover plate and enclosing cover
Plate two parts, inner cover plate lid are located at the top surface of inner tank body, and outer cover lid is located at the top surface of outer tank body, side wall inside inner tank body and
It is arranged side by side at certain intervals respectively on bottom surface to have some cable separating posts, every cable is separately placed in order, outer tank body
Exterior side wall on set temperature control tank mounting interface for splice temperature control tank, wherein, water jacket external surface, which is sticked, has heating plate simultaneously
The multilayer insulation component of 5 units is coated, the temperature control of inner tank body is mainly to be pasted onto adding for outer tank body surface by regulation
Backing is controlled, and is mainly conducted heat between inner tank body, outer tank body by heat radiation, ensures that the temperature of inner tank body is uniform.
2. cable high accuracy temperature control device on vacuum thermal test star as claimed in claim 1, wherein, inner tank body, outer tank body by
Hard aluminium sheet is made.
3. cable high accuracy temperature control device on vacuum thermal test star as claimed in claim 2, wherein, the thickness of hard aluminium sheet is
1-5mm。
4. cable high accuracy temperature control device on the vacuum thermal test star as described in claim any one of 1-3, wherein, outer tank body court
It is pitch-dark to the surface spraying high emissivity of inner tank body, enhancing and the radiation heat transfer of inner tank body.
5. cable high accuracy temperature control device on vacuum thermal test star as claimed in claim 4, wherein, table in the entirety of inner tank body
Face and overall outer surface spraying high emissivity are pitch-dark, for strengthening between inner tank body and outer tank body and between inner tank body and cable
Radiation heat transfer.
6. cable high accuracy temperature control device on the vacuum thermal test star as described in claim any one of 1-3, wherein, heat-proof device
For polyimides cushion block or fiberglass cushion block.
7. cable high accuracy temperature control device on the vacuum thermal test star as described in claim any one of 1-3, wherein, inner cover plate,
Outer cover plate pastes some thermocouples and carries out temperature monitoring respectively.
8. cable high accuracy temperature control device on vacuum thermal test star as claimed in claim 7, wherein, inner tank body, outer tank body point
Some thermocouples are not pasted carries out temperature control and monitoring.
9. cable high accuracy temperature control device on the vacuum thermal test star as described in claim any one of 1-3, wherein, according to inside groove
The cable number set in vivo determines that the distance between the distance and number, cable separating post of cable separating post are straight slightly larger than cable
Footpath.
10. cable high accuracy temperature control device on the vacuum thermal test star as described in claim any one of 1-3, wherein, cable point
Spacer post is made up of the screw with heat insulating mattress, and heat insulating mattress is boss sleeve-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527323.0A CN106484001B (en) | 2015-08-25 | 2015-08-25 | Cable high accuracy temperature control device on spacecraft thermal vacuum test star |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527323.0A CN106484001B (en) | 2015-08-25 | 2015-08-25 | Cable high accuracy temperature control device on spacecraft thermal vacuum test star |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106484001A CN106484001A (en) | 2017-03-08 |
| CN106484001B true CN106484001B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510527323.0A Expired - Fee Related CN106484001B (en) | 2015-08-25 | 2015-08-25 | Cable high accuracy temperature control device on spacecraft thermal vacuum test star |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108563263A (en) * | 2017-12-13 | 2018-09-21 | 太原航空仪表有限公司 | A kind of heating device for air environment |
| CN113237681A (en) * | 2021-04-26 | 2021-08-10 | 北京卫星环境工程研究所 | Vacuum thermal test spacecraft levelness measuring device |
| CN113763844A (en) * | 2021-08-31 | 2021-12-07 | 上海卫星工程研究所 | Red flag mark for Mars detection and mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205132A (en) * | 1992-06-12 | 1993-04-27 | Thermonics Incorporated | Computer-implemented method and system for precise temperature control of a device under test |
| US5520329A (en) * | 1994-04-01 | 1996-05-28 | Chevron Research And Technology Company, A Division Of Chevron U.S.A. Inc. | Method and apparatus for compensating for environmental effect |
| CN102765488A (en) * | 2012-08-01 | 2012-11-07 | 北京卫星环境工程研究所 | Ordinary-pressure thermal test system and method of manned spacecraft |
| CN102768548A (en) * | 2012-07-25 | 2012-11-07 | 北京卫星环境工程研究所 | Heat sink temperature control system and method for thermal vacuum test |
| CN104571217A (en) * | 2014-11-14 | 2015-04-29 | 中国科学院力学研究所 | Thermal vacuum test temperature control method and system for spacecraft |
-
2015
- 2015-08-25 CN CN201510527323.0A patent/CN106484001B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205132A (en) * | 1992-06-12 | 1993-04-27 | Thermonics Incorporated | Computer-implemented method and system for precise temperature control of a device under test |
| US5520329A (en) * | 1994-04-01 | 1996-05-28 | Chevron Research And Technology Company, A Division Of Chevron U.S.A. Inc. | Method and apparatus for compensating for environmental effect |
| CN102768548A (en) * | 2012-07-25 | 2012-11-07 | 北京卫星环境工程研究所 | Heat sink temperature control system and method for thermal vacuum test |
| CN102765488A (en) * | 2012-08-01 | 2012-11-07 | 北京卫星环境工程研究所 | Ordinary-pressure thermal test system and method of manned spacecraft |
| CN104571217A (en) * | 2014-11-14 | 2015-04-29 | 中国科学院力学研究所 | Thermal vacuum test temperature control method and system for spacecraft |
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| CN106484001A (en) | 2017-03-08 |
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Granted publication date: 20180316 Termination date: 20210825 |