CN106742085A - Based on the space flight Temperature Control Type louver body that shape-memory polymer drives - Google Patents
Based on the space flight Temperature Control Type louver body that shape-memory polymer drives Download PDFInfo
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- CN106742085A CN106742085A CN201611213746.6A CN201611213746A CN106742085A CN 106742085 A CN106742085 A CN 106742085A CN 201611213746 A CN201611213746 A CN 201611213746A CN 106742085 A CN106742085 A CN 106742085A
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- memory polymer
- shape
- motion bar
- drive chamber
- connecting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Air-Flow Control Members (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Blinds (AREA)
Abstract
The invention discloses a kind of space flight Temperature Control Type louver body driven based on shape-memory polymer, it includes：Drive chamber, forms and link gear；Upper and lower shape-memory polymer spring (10A, 10B) is respectively equipped with drive chamber (6)；Upper springs two ends are connected with drive chamber's upper inside wall and I-beam (9) respectively；Lower springs two ends are fixed with drive chamber's lower inner wall and connecting rod (8) respectively；Forms include blade unit and framework (15), and blade unit two ends are fixed with framework and connecting rod respectively；Link gear includes hinge (11), rotating bar (12) and motion bar (16), and rotating bar two ends are affixed with I-beam and motion bar respectively, and middle part is connected with hinge；Motion bar lower end is connected with connecting rod；When upper springs are deformed upon, I-beam motion and rotating bar is driven to rotate, the motion drivening rod and blade unit of motion bar are rotated.Simple structure of the present invention, reliability are high, can be used for satellite communication, manned spacecraft.
Description
Technical field
Present invention design belongs to thermal control technical field, especially specifically related to a kind of boat driven based on shape-memory polymer
Its Temperature Control Type louver body, can be used for the temperature control of space flight and aviation equipment.
Technical background
Used as spacecraft Active thermal control mode, temperature control shutter is one of key technology during spacecraft is developed.Space flight temperature
Control formula louver body controls the external heat loss through radiation intensity of basal plane by the angle that regulation is covered in radiating basal plane rotating vane,
Realize the optimum efficiency of the external heat loss through radiation in spacecraft surface.In order to ensure that various equipment are in different rings during spacecraft operation on orbit
Normal operation at a temperature of border is changed, and lead to automatic detection for temperature, it is necessary to designed on spacecraft and install temperature control shutter
Cross shutter open with closure, change Net long wave radiation rate, and then reach temperature controlled effect.
" satellite Thermal Control Shutter is designed and emulated the new master thesis at him of Harbin Institute of Technology Song one in 2010
In analysis ", it is proposed that a kind of Thermal Control Shutter structure.As shown in figure 1, the Thermal Control Shutter is by window structure, drive component, connection
Four parts of motivation structure and angular transducer constitute, and window structure includes framework, and blade assembly slides subcomponent；Driver part
Including worm-drive, drive shaft system, stepper motor, integrated connecting bracket；Link gear includes pull bar, swing rod, sliding pair group
Part.This is a kind of using motor driving, pull bar linkage and worm geared electric-powered shutter design, but this design is deposited
In problems with：
1) drive component structure is complex, it is impossible to automatically adjust blade of louver window angle according to ambient temperature change；
2) due to being driven using motor, there is certain vibration and noise, have impact on the resistance to overturning of system.
Ten thousand triumphant, Ren Jianxun of space flight and aviation institute of Tsing-Hua University in 2007 and cross and increase unit, sent out in Engineering Thermophysics journal
In " analysis of Actuator of Micro Thermal Louver and simulation " text of table, it is proposed that a kind of Actuator of Micro Thermal Louver, such as Fig. 2
Shown, the driver, by the use of the metal of high expansion coefficient as movable part, realizes heat by the use of thermoelectric cooling as attemperating unit
Control the folding of shutter.The driver includes sheet metal strip layer, ceramic layer, electrode layer and semiconductor layer, but this design is deposited
In problems with：
1) Extra Supply driving energy is needed, being converted into heat energy by electric energy needs the regular hour, and the response time is long.
2) driving force is not enough, can only drive less shutter.
The content of the invention
It is an object of the invention to be directed to above-mentioned existing technical deficiency, there is provided a kind of to be driven based on shape-memory polymer
Temperature Control Type louver body, to simplify driving structure, increase driving force, improve the stability of system.
To achieve the above object, the space flight Temperature Control Type louver body that the present invention is driven based on shape-memory polymer, bag
Include drive chamber, forms agent structure and link gear, it is characterised in that：
The drive chamber 6, its inside upper part and bottom are respectively equipped with shape-memory polymer spring 10A and 10B, the top
One end of shape-memory polymer spring 10A is fixed with the upper inner wall of drive chamber 6, and the other end is connected with hanging I-beam
9；One end of lower shape memory polymer spring 10B is fixed with the lower inside wall of drive chamber 6, and the other end is connected with connecting rod
8；
The forms agent structure, is made up of N number of blade unit and framework 15, and each blade unit includes blade 1 and leaf
Bobbin 3, the two ends of sharf 3 are fixed on framework 15, and blade 1 is arranged on sharf 3, N >=2；
The link gear, is mainly made up of fixed hinge 11, rotating bar 12, connecting rod 8 and motion bar 16, rotating bar 12
One end is fixed on hanging I-beam 9, and the other end is affixed with the centre position of motion bar 16, the middle part of rotating bar 12 and fixation
Hinge 11 is connected, and the lower end of motion bar 16 is connected with connecting rod 8；When shaped upper part memory polymer spring 10A is deformed upon, hang
Empty I-beam 9 moves up and down and drives rotating bar 12 to be rotated around fixed hinge 11, motion bar 16 is moved up and down drivening rod 8
Rotate, the rotational band movable vane blade unit of connecting rod 8 is rotated.
The present invention has advantages below：
1) present invention by the use of shaped upper part memory polymer spring 10A and lower shape memory polymer spring 10B as
Driving source, is effectively improved driving force；
2) the link gear simple structure designed by the present invention, it is easy to which processing is realized；
3) present invention is due to using shaped upper part memory polymer spring 10A and lower shape memory polymer spring 10B
Drive, link gear linkage drives without motor, without vibration and noise, effectively improves the stability of a system.
Brief description of the drawings
Fig. 1 is existing Thermal Control Shutter structure chart；
Fig. 2 is existing Thermal Control Shutter activation configuration figure；
Fig. 3 is the space flight Temperature Control Type shutter figure that shape-memory polymer of the invention drives；
Fig. 4 is the drive part enlarged drawing of Fig. 3.
Specific embodiment
Reference picture 3 and Fig. 4, Temperature Control Type louver body of the invention include blade 1, bottom radiant panel 2, sharf 3, peace
Dress base plate 5, drive chamber 6, connecting rod 8, hanging I-beam 9, shaped upper part memory polymer spring 10A, lower shape memory are poly-
Compound spring 10B, fixed hinge 11, rotating bar 12, framework 15 and motion bar 16.It can be divided into drive mechanism, forms body junction
Structure and the part of link gear three.Wherein：
Drive mechanism, mainly by drive chamber 6, shaped upper part memory polymer spring 10A and lower shape memory polymer
Spring 10B, hanging I-beam 9, connecting rod 8, drive chamber's installation screw 7 and spacing hole 13 are constituted.Shaped upper part memory polymer
Fe is added with spring 10A and lower shape memory polymer spring 10B materials3O4Nano particle；Top is based on shape memory
One end of polymer springs 10A is fixed with the upper inner wall of drive chamber 6, and the other end is connected with hanging I-beam 9.Drive chamber
6 upper inner wall is provided with spacing hole 13, and one end of lower shape memory polymer spring 10B is fixed under drive chamber 6
Portion's madial wall, the other end is connected with connecting rod 8；The side wall both sides of drive chamber 6 are provided with several installation screws 7, are covered for installing
Plate closes drive chamber.
Forms agent structure, by mounting base 5, framework 15 and N number of blade unit are constituted, and each blade unit includes blade
1 and sharf 3, the two ends of sharf 3 are separately fixed on framework 15 and connecting rod 8, and blade 1 is arranged on sharf 3, N >=2；
Blade 1 uses the backlight surface of carbon fibre material, blade 1 to reduce leakage heat, 1 pair of light of blade using the treatment of low-launch-rate thermal control coating
Face uses the silver-plated secondary surface treatments of F46.Sharf 3 uses titanium alloy material, and framework 15 and bottom radiant panel 2 are fine using carbon
Peacekeeping epoxy laminated cloth design of material, the spraying radiation white paint of bottom radiant panel 2.Framework 15 is affixed with mounting base 5, mounting base
5 are provided with several base plate installation screws 4, and mounting base 5 is fixedly mounted by these base plate installation screws 4 with spacecraft.
Link gear, is mainly made up of fixed hinge 11, rotating bar 12, connecting rod 8 and motion bar 16.It is cased with motion bar 16
Two spacing shims 14, fixed hinge 11 is fixed on the madial wall of drive chamber 6, and middle part and the fixed hinge 11 of rotating bar 12 connect
Connect, one end of rotating bar 12 is fixed on hanging I-beam 9, the other end of rotating bar 12 hangs down with the centre position of motion bar 16
Straight affixed, the upper end of motion bar 16 is stretched out through spacing hole 13, and the lower end of motion bar 16 is connected with connecting rod 8, when shaped upper part note
When recalling polymer springs 10A and deforming upon, hanging I-beam 9 moves up and down and drives rotating bar 12 to be rotated around fixed hinge 11,
Rotate the drivening rod 8 that moves up and down of motion bar 16, the rotational band movable vane blade unit of connecting rod 8 is rotated.
The course of work of the invention is as follows：
When demarcation temperature of the space equipment temperature less than equipment, Temperature Control Type louver body blade 1 is still in sharf 3
On, now shape-memory polymer spring 10A and 10B is in original state, and motion bar 16 is located at lower end extreme position, lower end
Spacing shim 14 compresses the side wall of drive chamber 6.
When the in-orbit situation of spacecraft changes, device temperature rises, in demarcation temperature of the device temperature higher than equipment
When spending, there is tensile deformation in shape-memory polymer spring 10A and 10B, and shape-memory polymer spring 10A drives hanging I-shaped
Beam 9 is moved downward；Hanging I-beam 9 drives rotating bar 12 to be rotated counterclockwise around fixed hinge 11, and rotating bar 12 drives motion bar
16 are moved up by spacing hole 13, and the drivening rod 8 of motion bar 16 is rotated clockwise, and shape-memory polymer spring 10B is simultaneously
The other end of drive link 8 is rotated counterclockwise, and the rotational band movable vane piece 1 of connecting rod 8 is rotated clockwise around sharf 3.Motion bar 16
On spacing shim 14 limit motion bar 16 move up and down scope, when blade 1 turns to 90 °, motion bar 16 is located at upper
End extreme position, the spacing shim 14 of upper end compresses the side wall of drive chamber 6, and so far the Temperature Control Type blade of louver window is fully deployed, bottom
The outside emittance of portion's radiant panel 2, device temperature reduction.
When device temperature falls below equipment calibration temperature, due to the SME of shape-memory polymer,
Shape-memory polymer spring 10A and 10B are produced and are shunk deformation, shape-memory polymer spring 10A drive hanging I-beam 9 to
Upper motion；Hanging I-beam 9 drives rotating bar 12 to be rotated clockwise around fixed hinge 11, and rotating bar 12 drives motion bar 16 to pass through
Spacing hole 13 is moved down, and the drivening rod 8 of motion bar 16 is rotated counterclockwise, and shape-memory polymer spring 10B is while the company of driving
The other end of bar 8 is rotated clockwise, and the rotational band movable vane piece 1 of connecting rod 8 is rotated counterclockwise around sharf 3 makes blade 1 return to just
Beginning state.
Above description is only example of the present invention, does not constitute any limitation of the invention, it is clear that for this
For the professional in field, after present invention and principle has been understood, all may be without departing substantially from the principle of the invention, structure
In the case of, various amendments and the change in form and details are carried out, but these are based on the amendment of inventive concept and change still
Within claims of the invention.
Claims (4)
1. a kind of space flight Temperature Control Type louver body driven based on shape-memory polymer, including drive chamber, forms body junction
Structure and link gear, it is characterised in that：
The drive chamber (6), its inside upper part and bottom are respectively equipped with shape-memory polymer spring (10A) and (10B)；On this
The one end in portion's shape-memory polymer spring (10A) is fixed with the upper inner wall of drive chamber (6), and the other end is connected with hanging
I-beam (9)；One end of lower shape memory polymer spring (10B) is fixed with the lower inside wall of drive chamber (6), another
End is connected with connecting rod (8)；
The forms agent structure, is made up of N number of blade unit and framework (15), and each blade unit includes blade (1) and leaf
Bobbin (3), the two ends of sharf (3) are separately fixed on framework (15) and connecting rod (8), and blade (1) is installed in sharf (3)
On, N >=2；
The link gear, is mainly made up of, rotating bar fixed hinge (11), rotating bar (12), connecting rod (8) and motion bar (16)
(12) one end is fixed on hanging I-beam (9), and the other end is vertical affixed with the centre position of motion bar (16), rotating bar
(12) middle part is connected with fixed hinge (11), and the lower end of motion bar (16) is connected with connecting rod (8)；When shaped upper part memory polymers
When thing spring (10A) is deformed upon, hanging I-beam (9) moves up and down and drives rotating bar (12) to turn around fixed hinge (11)
It is dynamic, motion bar (16) drivening rod (8) that moves up and down is rotated, the rotational band movable vane blade unit of connecting rod (8) is rotated.
2. mechanism according to claim 1, it is characterised in that the inner sidewall upper portion of the drive chamber (6) is provided with spacing hole
(13), be cased with two spacing shims (14) on motion bar (16), motion bar (16) through after spacing hole (13) in two spacing pads
Moved up and down in piece (14).
3. mechanism according to claim 1, it is characterised in that the blade (1) uses carbon fibre material, sharf (3) to adopt
With titanium alloy material, framework (15) is using carbon fiber and epoxy laminated cloth material.
4. mechanism according to claim 1, it is characterised in that the shaped upper part memory polymer spring (10A) and bottom
Fe3O4 nano particles are added with the material of shape-memory polymer spring (10B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213746.6A CN106742085B (en) | 2016-12-23 | 2016-12-23 | Space flight Temperature Control Type louver body based on shape-memory polymer driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213746.6A CN106742085B (en) | 2016-12-23 | 2016-12-23 | Space flight Temperature Control Type louver body based on shape-memory polymer driving |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106742085A true CN106742085A (en) | 2017-05-31 |
| CN106742085B CN106742085B (en) | 2019-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611213746.6A Active CN106742085B (en) | 2016-12-23 | 2016-12-23 | Space flight Temperature Control Type louver body based on shape-memory polymer driving |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH072196A (en) * | 1993-06-18 | 1995-01-06 | Nec Corp | Thermal louver |
| JPH0725397A (en) * | 1993-07-12 | 1995-01-27 | Nec Corp | Thermal louver device |
| JP2000255500A (en) * | 1999-03-04 | 2000-09-19 | Mitsubishi Electric Corp | Thermal louver |
| CN2791218Y (en) * | 2005-05-17 | 2006-06-28 | 江苏法尔胜技术开发中心 | Temperature-controlled intelligent shutter for vehicle |
| KR20150068280A (en) * | 2013-12-11 | 2015-06-19 | 강철 | Combined manual and automatic opening and closing of the louver ventilation window |
-
2016
- 2016-12-23 CN CN201611213746.6A patent/CN106742085B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH072196A (en) * | 1993-06-18 | 1995-01-06 | Nec Corp | Thermal louver |
| JPH0725397A (en) * | 1993-07-12 | 1995-01-27 | Nec Corp | Thermal louver device |
| JP2000255500A (en) * | 1999-03-04 | 2000-09-19 | Mitsubishi Electric Corp | Thermal louver |
| CN2791218Y (en) * | 2005-05-17 | 2006-06-28 | 江苏法尔胜技术开发中心 | Temperature-controlled intelligent shutter for vehicle |
| KR20150068280A (en) * | 2013-12-11 | 2015-06-19 | 강철 | Combined manual and automatic opening and closing of the louver ventilation window |
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| Publication number | Publication date |
|---|---|
| CN106742085B (en) | 2019-01-08 |
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