CN112942908A - Microsatellite removes clean canopy - Google Patents
Microsatellite removes clean canopy Download PDFInfo
- Publication number
- CN112942908A CN112942908A CN202110271631.7A CN202110271631A CN112942908A CN 112942908 A CN112942908 A CN 112942908A CN 202110271631 A CN202110271631 A CN 202110271631A CN 112942908 A CN112942908 A CN 112942908A
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- Prior art keywords
- clean
- microsatellite
- support
- wheels
- clean shed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 108091092878 Microsatellite Proteins 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000003749 cleanliness Effects 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011194 good manufacturing practice Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34336—Structures movable as a whole, e.g. mobile home structures
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Ventilation (AREA)
Abstract
The invention provides a microsatellite mobile clean shed, which relates to the field of satellite clean engineering and comprises a clean shed body, wherein the clean shed body is externally connected with an air shower; a source taking part is arranged on the inner side of the clean shed body; the top of the clean shed body is arranged in a grid, and FFUs are arranged on the grid; a wall plate is arranged on the side face of the clean shed body, a plurality of test holes are formed in the wall plate, a PLC (programmable logic controller) is arranged in the clean shed body, and a speed reduction motor is arranged on the clean shed body; the bottom of the shed cleaning body is provided with wheels, and the wheels are in driving connection with a speed reducing motor; the PLC is electrically connected with the FFU and the source taking component. The movable and detachable wall plate can meet the functional requirements of movability, detachability and detectability, the wall plate meets the requirements of transparency, visibility, inner wall antistatic property and pollution control, the dust particle concentration can be monitored in real time, and the air pressure is adjusted according to the dust particle concentration, so that the cleanliness grade of the microsatellite movable clean shed is superior to thousand grades.
Description
Technical Field
The invention relates to the field of satellite cleaning engineering, in particular to a movable cleaning shed for a microsatellite.
Background
Because the satellite has the anti-pollution requirement in the whole development life cycle, the monitoring and control of the cleanliness on a thousand level are required in the satellite general measurement and general assembly process. In addition, satellites also require cleanliness monitoring and control of their environment during the launch field.
At present, there are two general methods for creating a clean environment for satellite development and assembly, namely, modifying or newly building a clean room, namely, arranging corresponding warm roads, electrical and structures according to the implementation requirements of GMP (good manufacturing practice), wherein the ten-thousand to thirty-thousand grade clean grades are easy to implement, but creating an environment with hundred and thousand grade clean grades is expensive, the operation cost is high as a whole, and the clean environment cannot be moved (for example, two areas are required to be involved from precision assembly to detection, and the two areas need to have the same grade clean environment at the same time); secondly, build simple and easy clean canopy, adopt aluminium alloy ex-trusions, ceiling FFU (from the power device who takes high efficiency filter), prevent that static hangs down the curtain and build corresponding clean canopy promptly, but the height that the satellite of assembly required is too high (generally at 4 ~ 6 meters), consider that ceiling FFU is in large quantity and load is big, and the structure is limited still need to be fixed clean room (fix according to traditional various steel sheet or steel member) to its bearing, in addition, personnel or goods business turn over can destroy relative differential pressure value and clean standard in the clean canopy.
In summary, the existing clean shed/clean room has the following defects:
1. although a traditional clean shed/clean room can be temporarily built for the microsatellite, the field building period is long, and the research and development progress of the microsatellite can be influenced.
2. Because the microsatellite needs to relate to a plurality of working areas from precision assembly to anti-seismic testing and the like, however, the traditional clean shed/clean room can not move, and particularly when the satellite launching base needs to be checked and tested again on site, a plurality of environments need to be built, the building technical requirements are synchronous and coordinated, the implementation difficulty is high, and the manufacturing cost is high.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a microsatellite mobile clean shed, which meets the functional requirements of being movable, detachable and detectable, and the wall panel meets the requirements of being transparent and visible, having an antistatic inner wall, meeting the pollution control requirements, and being capable of monitoring the dust particle concentration in real time, and adjusting the wind pressure according to the dust particle concentration, so that the cleanliness grade of the microsatellite mobile clean shed is better than thousand.
In order to achieve the above and other related objects, the invention provides a microsatellite moving cleaning shed, which comprises a cleaning shed body, wherein a first roller shutter door is arranged in the-Y direction of the cleaning shed body, a second roller shutter door is arranged in the + Y direction of the cleaning shed body, the first roller shutter door is externally connected with an air shower through cleaning cloth, and source taking components are arranged around the first roller shutter door and the second roller shutter door;
the cleaning shed body comprises a bottom surface bracket, a side surface bracket and a ceiling bracket which are movably connected;
the ceiling support is arranged in a grid mode, a movable plate is arranged in the middle of the ceiling support, and FFUs are arranged on the grid;
the side support is provided with a wall plate, the wall plate is provided with a plurality of test holes, a PLC (programmable logic controller) is arranged in the side support, and a speed reducing motor is arranged in the-Y direction of the side support;
the bottom of the bottom surface bracket is provided with wheels, and the wheels are in driving connection with a speed reducing motor;
the PLC is electrically connected with the FFU and the source taking component.
In an embodiment of the invention, the source obtaining component includes a temperature and humidity sensor, an indoor differential pressure sensor, and a particle concentration sensor.
In one embodiment of the present invention, the wheels include an electric power-assisted wheel in the-Y direction of the bottom bracket 1, a universal wheel in the + Y direction of the bottom bracket, and a directional wheel in the + Y and-Y directions of the bottom bracket.
In an embodiment of the present invention, the wheel is provided with a brake device.
In an embodiment of the present invention, the ceiling bracket, the bottom bracket, and the side bracket of each side surface are welded and fixed respectively; the side supports on different sides are spliced by adopting T-shaped sleeves and are fixed by stainless steel bolts.
As described above, the full inventive name of the present invention has the following advantageous effects:
1. according to the invention, the FFU with cleanliness of hundreds to hundreds of thousands of grades can be combined according to the requirement of the satellite assembly progress, the customized requirement in the satellite assembly process can be met through the matched use of the FFU and the PLC, the FFU is modularized through the detachability of the clean shed body, the efficient assembly, disassembly, management and application of the micro-satellite mobile clean shed can be realized, the service life is more than 15 years, and the micro-satellite mobile clean shed can be used repeatedly.
2. The microsatellite mobile clean shed can be independently arranged, can be temporarily and movably arranged after being transported to a field as required, and is provided with standard modules: the air shower, the temperature and humidity sensor, the indoor differential pressure sensor, the particle concentration sensor and the PLC ensure that the microsatellite moving clean shed is clean, effective, safe and controllable.
3. The microsatellite mobile clean shed disclosed by the invention meets the modular building standard, the bottom surface support, the side surface support and the ceiling support are made of stainless steel materials, the advantages of wind resistance, earthquake resistance, heat insulation, fire resistance, excellent air tightness and water tightness and the like exist, and all indexes and materials meet the rigidity, strength and related standards, and the independent use based on an environmental air conditioner is met.
Drawings
Fig. 1 is a schematic structural view of a clean shed body according to an embodiment of the present invention.
Fig. 2 is a top view of a clean booth body according to an embodiment of the present invention.
Fig. 3 is a front view of a clean booth body according to an embodiment of the present invention.
Fig. 4 is a side view of the clean booth body disclosed in the embodiment of the present invention.
Fig. 5 is a rear view of the clean booth body disclosed in the embodiment of the present invention.
Fig. 6 is a plan view showing a clean booth body and a shower room disclosed in an embodiment of the present invention.
Fig. 7 is a side view showing a clean booth body and a shower room disclosed in an embodiment of the present invention.
Fig. 8 is a rear view showing the clean booth body and the air shower disclosed in the embodiment of the present invention.
FIG. 9 shows a schematic view of the installation of the T-shaped nest disclosed in the embodiments of the present invention.
Description of the element reference numerals
1-clean shed body, 1.1-bottom support, 1.2-side support, 1.3-ceiling support, 1.4-first rolling shutter door, 1.5-second rolling shutter door, 1.6-test hole, 1.31-grid, 1.32-movable plate, 1.33-FFU, 1.34-door handle, 1.41-small FFU, 1.42-medium FFU, 2-air shower; 3-wheels; 4-T shaped nesting parts.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 9. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 8, the invention provides a microsatellite moving clean shed, which comprises a clean shed body 1, wherein the size of the clean shed body 1 is 6m 5.5m, a first rolling door 1.4 is arranged in the-Y direction of the clean shed body 1, the size of the first rolling door 1.4 is 0.9m 2.1m, a second rolling door 1.5 is arranged in the + Y direction of the clean shed body 1, the size of the second rolling door 1.5 is 1.8 m 2.1m, the first rolling door 1.4 is externally connected with an air shower 2 through clean cloth, and the size of the air shower 2 is 1.3m 1.5m 2.1 m; the height is provided with about 2m around first rolling slats door 1.4 and the second rolling slats door 1.5 and gets source parts, it includes temperature and humidity sensor, indoor differential pressure sensor and particle concentration sensor to get source parts.
The cleaning shed body 1 comprises a bottom surface support 1.1, a side surface support 1.2 and a ceiling support 1.3 which are movably connected; the ceiling support 1.3 is provided with a grid 1.31, the middle part of the ceiling support 1.3 is provided with a movable plate 1.32, the movable plate 1.32 is fixed on the clean ceiling support 1.3 in a snap fastener mode, the size of the movable plate 1.32 is 2m x 1.5m, and the grid 1.31 is provided with an FFU 1.33; the side support 1.2 is provided with a wall plate, a PLC (programmable logic controller) is arranged in the side support, and a speed reducing motor is arranged in the-Y direction of the side support 1.2; the bottom of the bottom surface support 1.1 is provided with wheels 3, the wheels 3 comprise electric power-assisted wheels in the-Y direction of the bottom surface support 1.1, universal wheels in the + Y direction of the bottom surface support 1.1, directional wheels in the + Y direction and the-Y direction of the bottom surface support 1.1, and the wheels 3 are provided with brake devices; a plurality of test holes 1.6 are formed in the wall plate; the PLC is electrically connected with the FFU1.33, the temperature and humidity sensor, the indoor differential pressure sensor and the particle concentration sensor.
Specifically, the side surface support 1.2 is a stainless square tube with a length and width of 120mm x 60mm and a wall thickness of 5mm, the bottom surface support 1.1 and the ceiling support 1.3 are stainless square tubes with a length and width of 60mm x 60mm and a wall thickness of 5mm, the ceiling support 1.3, the bottom surface support 1.1 and the side surface support 1.2 of each surface are fixed by welding processes respectively, each side surface is spliced by a T-shaped sleeved part 4, and the T-shaped sleeved part 4 is locked by a stainless steel bolt, please refer to fig. 9.
Specifically, the FFU1.33 arranged on the ceiling support 1.3 comprises 16 medium-sized FFUs 1.42 arranged on the periphery, 8 small-sized FFUs 1.41 arranged on the inner side and 1 medium-sized FFU1.42 arranged on the movable plate 1.32, wherein the medium-sized FFU1.42 is 1175mm in size, the small-sized FFU1.41 is 1175mm 575mm in size, the medium-sized FFU1.42 and the small-sized FFU1.41 are respectively provided with a high-pressure fan with standard air volume of 38000cmh, and the external residual pressure of the high-pressure fan is estimated to be more than 350 pa; the FFU1.33 has a total weight of 872kg (i.e. 17 × 40kg +8 × 24kg — 872kg), the bottom support 1.1, the side support 1.2 and the ceiling support 1.3 have a total weight of 1.5 tons, a total weight of 2.5 tons, and a pressure applied to the ground by the heavy-load wheels is about 1.4 tons (a bearing capacity of 600kg × 12 wheels — 7.2 tons), wherein the FFU1.33 is provided with a door handle 1.34.
Specifically, the wallboard adopts antistatic transparent PC board activity to fix on side support 1.2 to sealed fixed through silica gel between the board, can cut open sealed glue when needing to dismantle.
Specifically, be provided with the guide rail of spout strip formula on the wallboard that test hole 1.6 positions correspond, slide in the guide rail and set up the apron, test hole 1.6's size is 200mm, the apron size is 250mm, can be convenient for test hole 1.6 through setting up the apron and open and close.
In the invention, for convenient transportation, the bottom surface bracket 1.1, the side surface bracket 1.2 and the ceiling bracket 1.3 are movably connected; in order to move conveniently, an electric boosting wheel is arranged in the-Y direction of the bottom surface support 1.1, a universal wheel is arranged in the + Y direction of the bottom surface support 1.1, and directional wheels are arranged in the + Y direction and the-Y direction of the bottom surface support 1.1; in order to facilitate the disassembly of the wall plate, the wall plate is movably fixed on the side surface support 1.2 and is sealed and fixed through silica gel, in order to rapidly open and close the test hole 1.6, a sliding groove strip type guide rail is arranged on the wall plate corresponding to the test hole 1.6, and a cover plate is arranged in the guide rail in a sliding manner; in order to enable workers to get in and out of the clean environment, the mobility is considered, and the influence of the external environment on the clean environment is avoided, a first roller shutter door 1.4 is arranged in the-Y direction of the clean shed body 1, and the first roller shutter door 1.4 is a single double-blowing air shower through an air shower 2 externally connected with clean cloth.
When the satellite is assembled, the movable plate 1.32 arranged in the middle of the ceiling support 1.3 is opened, so that the satellite enters from the position of the movable plate 1.32, and the rest of the assembly materials enter through the second rolling door 1.5; considering that the external environment is 10 ten thousand grade of cleanliness grade, a hundred grade of cleanliness grade is needed in the clean shed body 1, so that the environmental wind pressure of at least +15pa is needed, and under the assumed wind pressure environment, the standard air output of the FFU1.33 is 38000cm3H, the single air leakage rate of the test hole 1.6 is 360cm3H, the height difference between the clean shed and the wheels 3 is 150mm, and the air exhaust area is 3.6m2Exhaust air volume of 32400m3H when simultaneously onWhen the four test holes are opened for 1.6, the total air exhaust amount is 34000m3The exhaust speed is 2.04 m/s.
In the moving process of the cleaning shed body 1 and the air shower 2, the air exhaust speed and the air volume are dynamically adjusted along with the design value of the internal and external differential pressure of the cleaning shed body 1, namely the differential pressure of the four side surfaces of the cleaning shed body 1 close to the middle area. The pressure difference fluctuation value generated when personnel enter and exit and the test hole 1.6 is opened is detected through the pressure difference sensor, and the output air pressure is adjusted through the dynamic frequency modulation of the fan frequency of the FFU1.33 by the PLC controller.
In conclusion, the movable and detachable detectable functional requirements of the microsatellite movable clean shed can be met, the wall plate meets the requirements of transparency, visibility, inner wall antistatic property and pollution control, the dust particle concentration and the wind pressure can be monitored in real time, and the air supply quantity of the FFU1.33 is adjusted according to the dust particle concentration and the wind pressure, so that the cleanliness grade of the microsatellite movable clean shed is superior to thousands. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a clean canopy is removed to microsatellite which characterized in that: the greenhouse comprises a cleaning greenhouse body, wherein a first roller shutter door is arranged in the-Y direction of the cleaning greenhouse body, a second roller shutter door is arranged in the + Y direction of the cleaning greenhouse body, the first roller shutter door is externally connected with an air shower through cleaning cloth, and source taking components are arranged around the first roller shutter door and the second roller shutter door;
the cleaning shed body comprises a bottom surface bracket, a side surface bracket and a ceiling bracket which are movably connected;
the ceiling support is provided with a grid, the middle part of the ceiling support is provided with a movable plate, and the grid is provided with FFUs; the side support is provided with a wall plate, the wall plate is provided with a plurality of test holes, a PLC (programmable logic controller) is arranged in the side support, and a speed reducing motor is arranged in the-Y direction of the side support;
the bottom of the bottom surface bracket is provided with wheels, and the wheels are in driving connection with a speed reducing motor;
the PLC is electrically connected with the FFU and the source taking component.
2. The microsatellite moving clean shed as in claim 1, wherein: the source taking part comprises a temperature and humidity sensor, an indoor differential pressure sensor and a particle concentration sensor.
3. The microsatellite moving clean shed as in claim 1, wherein: the wheels comprise electric power-assisted wheels in the-Y direction of the bottom surface support 1, universal wheels in the + Y direction of the bottom surface support, and directional wheels in the + Y direction and the-Y direction of the bottom surface support.
4. A microsatellite moving clean shed as in claim 3, wherein: and a brake device is arranged on the wheel.
5. The microsatellite moving clean shed as in claim 1, wherein: the ceiling support, the bottom support and the side supports on each side are respectively welded and fixed; the side supports on different sides are spliced by adopting T-shaped sleeves and are fixed by stainless steel bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271631.7A CN112942908A (en) | 2021-03-12 | 2021-03-12 | Microsatellite removes clean canopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271631.7A CN112942908A (en) | 2021-03-12 | 2021-03-12 | Microsatellite removes clean canopy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112942908A true CN112942908A (en) | 2021-06-11 |
Family
ID=76229673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110271631.7A Pending CN112942908A (en) | 2021-03-12 | 2021-03-12 | Microsatellite removes clean canopy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112942908A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893028A (en) * | 2022-04-06 | 2022-08-12 | 江苏魁利设备制造有限公司 | Biological safety protection type shower device |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893028A (en) * | 2022-04-06 | 2022-08-12 | 江苏魁利设备制造有限公司 | Biological safety protection type shower device |
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