CN110005672B - Process design method for sticking OSR sheet on outer surface of special-shaped structural member - Google Patents
Process design method for sticking OSR sheet on outer surface of special-shaped structural member Download PDFInfo
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- CN110005672B CN110005672B CN201910271789.7A CN201910271789A CN110005672B CN 110005672 B CN110005672 B CN 110005672B CN 201910271789 A CN201910271789 A CN 201910271789A CN 110005672 B CN110005672 B CN 110005672B
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- osr
- sheet
- light shield
- design method
- sticking
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000004744 fabric Substances 0.000 claims abstract description 41
- 239000000853 adhesive Substances 0.000 claims abstract description 21
- 230000001070 adhesive effect Effects 0.000 claims abstract description 21
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 244000137852 Petrea volubilis Species 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 7
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Laminated Bodies (AREA)
Abstract
A design method for sticking an OSR sheet on the outer surface of a special-shaped structural member relates to the technical field of vertical sticking of OSR sheets; the method comprises the following steps: step one, preparing an OSR sheet and an adhesive; preparing a light shield; step two, preparing a cloth film; step three, uniformly sticking the OSR sheets to a sheet distributing film; step four, performing sand paper polishing on the side wall of the light shield to ensure the flatness; step five, smoothly smearing an adhesive on the side wall of the light shield; the cloth piece film with the OSR pieces surrounds the side wall of the light shield to realize that the OSR pieces are bonded on the side wall of the light shield; step six, respectively carrying out vacuum pumping treatment on the side walls of the 4 light shields bonded with the OSR sheets; curing; step seven, dismantling the cloth film, and cleaning the contact surface of the OSR sheet and the cloth film; the invention realizes the full-covering vertical sticking of the OSR sheet on the multi-surface complex thin-wall structure.
Description
Technical Field
The invention relates to the technical field of vertical sticking of OSR sheets, in particular to a design method of a process for sticking an OSR sheet on the outer surface of a special-shaped structural member.
Background
The thermal design of an astronomical detection satellite extra-satellite low-temperature load requires that a detector array meets the requirements of working temperature level of minus 80 ℃ to minus 45 ℃ and the temperature uniformity of the detector array with delta T of less than 5 ℃. According to the design requirement of a scientific task, the load detector with low temperature requirement is arranged outside the satellite, the temperature of the load detector is very sensitive to the magnitude of external heat flow, the height of the orbit selected by the astronomical detection satellite is only 550km, and the conditions of earth infrared and external heat flow reflected by the low temperature load during the observation period are severe, particularly the earth infrared heat flow. Under the condition that only passive radiation refrigeration thermal control measures can be adopted at present, the thermal control design required by the low temperature of the low-temperature load detector is very difficult, so that a cerium glass secondary surface mirror (OSR) thermal control coating which is more suitable for the radiation heat dissipation design requirement is adopted to deal with the influence of the low-orbit thermal environment.
Aiming at the characteristics of the low-temperature load configuration, the heat control design utilizes the light shield structure as a single radiator, the whole periphery of the heat control design needs to be designed and implemented to be pasted with OSR sheets, and the light shield is an integrated structure with the periphery closed, so that the pasting implementation of the OSR sheets has great engineering implementation difficulty. At present, no process design method for vertically sticking the OSR sheet exists.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a process design method for sticking OSR sheets on the outer surface of a special-shaped structural member, and realizes full-covering vertical sticking of OSR sheets on a multi-surface complex thin-wall structure.
The above purpose of the invention is realized by the following technical scheme:
a process design method for sticking an OSR sheet on the outer surface of a special-shaped structural member comprises the following steps:
step one, preparing an OSR sheet and an adhesive; preparing a light shield;
step two, preparing a cloth film;
step three, uniformly sticking the OSR sheets to a sheet distributing film;
step four, performing sand paper polishing on the side wall of the light shield to ensure the flatness;
step five, smoothly smearing an adhesive on the side wall of the light shield; the cloth piece film with the OSR pieces surrounds the side wall of the light shield to realize that the OSR pieces are bonded on the side wall of the light shield;
step six, respectively carrying out vacuum pumping treatment on the side walls of the 4 light shields bonded with the OSR sheets; curing;
and seventhly, removing the cloth film, and cleaning the contact surface of the OSR sheet and the cloth film.
In the above process design method for sticking the OSR sheet on the outer surface of the special-shaped structural member, in the first step, the preparation method of the OSR sheet comprises the following steps:
one side surface of the square glass sheet is plated with silver, and the other side surface of the glass sheet is plated with an ITO conductive layer; the thickness of the OSR sheet is 0.15-0.2 mm.
In the above process design method for sticking the OSR sheet on the outer surface of the special-shaped structural member, in the first step, the preparation method of the adhesive is as follows:
RTV566 adhesive and RTV566 adhesive were mixed at a ratio of 100: 13, and mixing the components in the ratio of 13.
According to the technical design method for sticking the OSR sheet on the outer surface of the special-shaped structural member, in the first step, the light shield is of a hollow cubic structure; a rectangular through hole is formed in the light shield and is vertically arranged; the four vertical side walls of the light shield are made of aluminum materials; the sidewall thickness is 2 mm.
In the second step, the sheet film is in a rectangular structure; the width of the cloth film is the same as the height of the light shield; the length of the cloth film is equal to the sum of the bottom side lengths of 4 vertical sides of the light shield; the cloth film is connected end to end along the length direction to realize surrounding and covering four vertical side walls of the light shield.
The method for sticking the OSR sheet on the outer surface of the special-shaped structural member is characterized in that the cloth sheet film adopts a paper-plastic plate structure, and the middle layer of the cloth sheet film is a soft foam interlayer; the two sides of the soft foam interlayer are respectively provided with a polyester film; the thickness of the cloth film was 5 mm.
In the third step, the OSR sheet is bonded with the cloth film through the pressure sensitive adhesive tape; the pressure-sensitive adhesive tape is made of 3M polyimide material; one surface of the ITO conductive layer of the OSR sheet is adhered to the cloth film.
In the fifth step, the thickness of the adhesive after being smoothed is 0.1-0.2 mm.
In the fifth step, when the OSR sheet is adhered to the side wall of the light shield, the silver-plated surface of the OSR sheet is adhered to the side wall of the light shield.
In the sixth step, the vacuum degree is 0.092-0.1MPa during vacuum pumping; the curing temperature is room temperature, and the curing time is 24 h.
Compared with the prior art, the invention has the following advantages:
(1) according to the invention, an OSR sheet film is designed and drawn in advance, a sheet tool is manufactured, preparation is made for vertical pasting in advance, and a reasonable curing and pressurizing method is adopted to ensure that the OSR sheet is pasted in the maximum area and the breakage rate of the OSR sheet is reduced to the maximum extent;
(2) the invention adopts the glue layer thickness control tool to effectively control the glue layer thickness, designs the plugging form and the tool according to the number and the size of the screw holes and the equipment holes in the pasting area of the outer surface of the product, and ensures the gluing quality of the OSR sheet and the qualification rate of the OSR sheet breakage;
(3) compared with the traditional OSR sheet which can only be stuck on a single-plate plane product, the invention solves the technical problem of vertically sticking the OSR sheet on a large-area special-shaped thin-wall piece and provides a basis for sticking the OSR sheet on other special-shaped pieces in the future.
Drawings
FIG. 1 is a schematic flow diagram of a process for pasting an OSR sheet according to the present invention;
FIG. 2 is a schematic view of a light shield according to the present invention;
FIG. 3 is a schematic view of the bonding of an OSR sheet to a sheet film according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the invention provides a process design method for sticking OSR sheets on the outer surface of a special-shaped structural member, which solves the problem of vertically sticking OSR sheets on a large-area special-shaped thin-wall member.
As shown in fig. 1, which is a schematic flow diagram of sticking an OSR sheet, it can be known that a design method of sticking an OSR sheet on an outer surface of a profiled structural member includes the following steps:
step one, preparing an OSR sheet and an adhesive; the preparation method of the OSR tablet comprises the following steps: one side surface of the square glass sheet is plated with silver, and the other side surface of the glass sheet is plated with an ITO conductive layer; the thickness of the OSR sheet is 0.15-0.2 mm. The preparation method of the adhesive comprises the following steps: RTV566 adhesive and RTV566 adhesive were mixed at a ratio of 100: 13, and mixing the components in the ratio of 13. The OSR sheet has two specifications of 40mmX40mm and 40mmX20mm, is of a flat plate structure, and is very easy to break in the pasting operation. FIG. 2 is a schematic view of a light shield, showing that the light shield is prepared; the light shield is of a hollow cubic structure; a rectangular through hole is formed in the light shield and is vertically arranged; the four vertical side walls of the light shield are made of aluminum materials; the sidewall thickness is 2 mm. The OSR sheet is stuck on the vertical surface of the product in the shape, the previous satellite model is not available, and the difficulty is very high for sticking the OSR sheet for the first time.
Step two, preparing a cloth film; the cloth film is of a rectangular structure; the width of the cloth film is the same as the height of the light shield; the length of the cloth film is equal to the sum of the bottom side lengths of 4 vertical sides of the light shield; the cloth film is connected end to end along the length direction to realize surrounding and covering four vertical side walls of the light shield. The cloth film adopts a paper-plastic plate structure, and the middle layer of the cloth film is a soft foam interlayer; the two sides of the soft foam interlayer are respectively provided with a polyester film; the thickness of the cloth film was 5 mm.
Step three, as shown in fig. 3, the bonding diagram of the OSR sheet and the sheet film is shown, and it can be known from the figure that the sheet film is uniformly stuck with the OSR sheet; the OSR sheet is bonded with the cloth film through a pressure sensitive adhesive tape; the pressure-sensitive adhesive tape is made of 3M polyimide material; one surface of the ITO conductive layer of the OSR sheet is adhered to the cloth film.
Step four, performing sand paper polishing on the side wall of the light shield to ensure the flatness;
step five, smoothly smearing an adhesive on the side wall of the light shield; the thickness of the adhesive after being smoothed is 0.1-0.2 mm. The adhesive used for sticking the OSR sheet is an imported silicon rubber adhesive system, and the requirement on the thickness of the adhesive layer is strict. The OSR sheet is easy to break due to the fact that the adhesive layer is too thin, the total weight of the product is increased due to the fact that the adhesive layer is too thick, and the adhesive strength is affected, so that how to scrape the adhesive on the thin-wall special-shaped piece and controlling the thickness of the adhesive layer are one of the determining factors affecting the quality of the product. The cloth piece film with the OSR pieces surrounds the side wall of the light shield to realize that the OSR pieces are bonded on the side wall of the light shield; when the OSR sheet is bonded on the side wall of the light shield, the silver-plated surface of the OSR sheet is bonded with the side wall of the light shield.
Step six, respectively carrying out vacuum pumping treatment on the side walls of the 4 light shields bonded with the OSR sheets; curing; the vacuum degree is 0.092-0.1MPa when the vacuum is pumped; the curing temperature is room temperature, and the curing time is 24 h.
And seventhly, removing the cloth film, and cleaning the surface of the ITO-plated conductive layer of the OSR sheet.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (9)
1. A process design method for sticking an OSR sheet on the outer surface of a special-shaped structural member is characterized by comprising the following steps: the method comprises the following steps:
step one, preparing an OSR sheet and an adhesive; preparing a light shield;
step two, preparing a cloth film;
step three, uniformly sticking the OSR sheets to a sheet distributing film;
step four, performing sand paper polishing on the side wall of the light shield to ensure the flatness;
step five, smoothly smearing an adhesive on the side wall of the light shield; the cloth piece film with the OSR pieces surrounds the side wall of the light shield to realize that the OSR pieces are bonded on the side wall of the light shield;
step six, respectively carrying out vacuum pumping treatment on the side walls of the 4 light shields bonded with the OSR sheets; curing;
and seventhly, removing the cloth film, and cleaning the contact surface of the OSR sheet and the cloth film.
2. The process design method for sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 1, wherein the process design method comprises the following steps: in the first step, the preparation method of the OSR sheet comprises the following steps:
one side surface of the square glass sheet is plated with silver, and the other side surface of the glass sheet is plated with an ITO conductive layer; the thickness of the OSR sheet is 0.15-0.2 mm.
3. The process design method for sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 2, wherein the process design method comprises the following steps: in the first step, the light shield is of a hollow cubic structure; a rectangular through hole is formed in the light shield and is vertically arranged; the four vertical side walls of the light shield are made of aluminum materials; the sidewall thickness is 2 mm.
4. The design method for the process of sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 3, wherein the design method comprises the following steps: in the second step, the cloth film is in a rectangular structure; the width of the cloth film is the same as the height of the light shield; the length of the cloth film is equal to the sum of the bottom side lengths of 4 vertical sides of the light shield; the cloth film is connected end to end along the length direction to realize surrounding and covering four vertical side walls of the light shield.
5. The design method for the process of sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 4, wherein the design method comprises the following steps: the cloth film adopts a paper-plastic plate structure, and the middle layer of the cloth film is a soft foam interlayer; the two sides of the soft foam interlayer are respectively provided with a polyester film; the thickness of the cloth film was 5 mm.
6. The design method for the process of sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 5, wherein the design method comprises the following steps: in the third step, the OSR sheet is bonded with the cloth film through the pressure-sensitive adhesive tape; the pressure-sensitive adhesive tape is made of 3M polyimide material; one surface of the ITO conductive layer of the OSR sheet is adhered to the cloth film.
7. The design method for the process of sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 6, wherein the design method comprises the following steps: in the fifth step, the thickness of the adhesive after being smoothed is 0.1-0.2 mm.
8. The design method for the process of sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 7, wherein the design method comprises the following steps: and in the fifth step, when the OSR sheet is bonded on the side wall of the light shield, the silver-plated surface of the OSR sheet is bonded with the side wall of the light shield.
9. The process design method for sticking the OSR sheet on the outer surface of the special-shaped structural member according to claim 8, wherein the process design method comprises the following steps: in the sixth step, the vacuum degree is 0.092-0.1MPa during vacuum pumping; the curing temperature is room temperature, and the curing time is 24 h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271789.7A CN110005672B (en) | 2019-04-04 | 2019-04-04 | Process design method for sticking OSR sheet on outer surface of special-shaped structural member |
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| CN201910271789.7A CN110005672B (en) | 2019-04-04 | 2019-04-04 | Process design method for sticking OSR sheet on outer surface of special-shaped structural member |
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| CN110005672B true CN110005672B (en) | 2020-09-18 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408221B (en) * | 2022-01-19 | 2024-05-07 | 上海卫星工程研究所 | Satellite-sensitive temperature control system for satellite |
| CN115899039A (en) * | 2022-12-26 | 2023-04-04 | 兰州空间技术物理研究所 | A cloth method and tooling for applying OSR on the surface of a spacecraft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2711299A1 (en) * | 2012-09-21 | 2014-03-26 | Thales | Mechanical-thermal structure suitable for a space environment |
| CN104443441A (en) * | 2014-10-31 | 2015-03-25 | 上海卫星工程研究所 | Star sensor sub-low temperature independent thermal control device of orbit transfer vehicle |
| CN106336128A (en) * | 2016-08-19 | 2017-01-18 | 上海裕达实业有限公司 | Flexible OSR second surface mirror thermal control coating and preparation method and application thereof |
| CN208317224U (en) * | 2018-04-27 | 2019-01-01 | 中国科学院高能物理研究所 | Spoke cold plate structure and space probe for space probe |
| CN208344553U (en) * | 2018-05-31 | 2019-01-08 | 中国空间技术研究院 | A kind of earth sensor radiation shield |
-
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- 2019-04-04 CN CN201910271789.7A patent/CN110005672B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2711299A1 (en) * | 2012-09-21 | 2014-03-26 | Thales | Mechanical-thermal structure suitable for a space environment |
| CN104443441A (en) * | 2014-10-31 | 2015-03-25 | 上海卫星工程研究所 | Star sensor sub-low temperature independent thermal control device of orbit transfer vehicle |
| CN106336128A (en) * | 2016-08-19 | 2017-01-18 | 上海裕达实业有限公司 | Flexible OSR second surface mirror thermal control coating and preparation method and application thereof |
| CN208317224U (en) * | 2018-04-27 | 2019-01-01 | 中国科学院高能物理研究所 | Spoke cold plate structure and space probe for space probe |
| CN208344553U (en) * | 2018-05-31 | 2019-01-08 | 中国空间技术研究院 | A kind of earth sensor radiation shield |
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