Railway transport environment protection device for satellite and manufacturing method thereof

Abstract

This invention provides a satellite railway transportation environmental protection device and manufacturing method, mainly composed of a room temperature vulcanizing adhesive layer, a nylon composite layer, an additional inner insulation layer, a mechanical structure reinforcement layer, and an outer surface coating. The addition of an outer surface coating reduces the gas adsorption of the components, ensuring leak detection performance requirements. The device has good overall surface conformability, is lightweight, easy to assemble and disassemble, and does not easily generate excess material. The structural gas adsorption performance under the component configuration is greatly reduced, meeting leak detection testing requirements, and significantly improving overall insulation performance, thus adapting to the all-weather railway transportation environmental protection requirements in the satellite field under the new circumstances.

Description

Technical Field

[0001] This invention belongs to the field of satellite safe transportation, specifically, it relates to a satellite railway transportation environmental protection device and manufacturing method. Background Technology

[0002] In traditional optical satellite transportation, to ensure safe transport, arrival is always scheduled when the temperature is no lower than -10°C. In traditional satellite rail transport, insulation and protective devices are typically integrated into the container wall's sandwich structure. The main materials for this sandwich structure include aluminum skin, aluminum profiles, polyurethane, air, and fiberglass cloth. Polyurethane is commonly used as the filling material, as it offers excellent damping performance over a wide temperature and frequency range. Furthermore, mature polyurethane injection molding and spraying technologies are available, effectively improving the sandwich filling rate. However, the metal frame, rib assemblies, and welds between the skin and frame inevitably become heat leakage points in the structure.

[0003] In recent years, with the surge in aerospace research and development missions and the significant shortening of development cycles, high-density launches have become the norm. Therefore, ensuring the all-weather railway transportation environment for the entire satellite is the most important task in the current mission mode, which places higher demands on the thermal insulation performance of satellite transport packaging boxes.

[0004] In order to overcome the technical problems that cannot be solved in the prior art, the present invention provides a satellite railway transportation environmental protection device that is low-cost, low-weight, low-volatility, high thermal resistance and has good deformation adaptability.

[0005] Patent document CN104477518A discloses a packaging box with a combined active and passive temperature control system, which uses polyurethane foam insulation. Polyurethane foam board is an excellent insulation material with high thermal resistance, and it is commonly used in large packaging boxes on the market. However, packaging boxes typically use this material in their inner layers using injection molding to ensure complete filling. Directly adding a solid material to the inner layer inevitably results in incomplete filling, affecting the overall thermal resistance. Furthermore, adding it to the inner layer of the packaging box requires implementation during the packaging box production stage, which is not conducive to subsequent adjustments and maintenance. If polyurethane foam material is used as the inner insulation layer, its brittleness makes it prone to generating debris and excess material. Moreover, lifting the box lid can cause deformation, potentially damaging the polyurethane foam board and generating a large amount of debris.

[0006] However, the packaging box of this invention is unsuitable for transporting products that are extremely sensitive to foreign objects, such as optical satellites. The internal insulation layer structure of this invention allows for adjustment of the overall thermal resistance of the box by adjusting the thickness of the insulation layer, and it is convenient and quick to assemble and disassemble, with good adaptability. Furthermore, the internal insulation layer structure avoids the metal frame strips of the box forming an overall thermal resistance material covering environment (the insulation layer in the aforementioned patent literature is in a sandwich structure, where the metal frame strips become leakage points affecting the overall thermal resistance). In addition, the rubber and plastic sponge material used in this invention has excellent thermal resistance and excellent conformability, which can adapt well to the deformation of the box lid while still remaining in place, and is not prone to generating foreign objects, thus meeting the transportation requirements of optical satellite products. Summary of the Invention

[0007] In view of the deficiencies in the prior art, the purpose of this invention is to provide a satellite winter railway transportation environmental protection device and manufacturing method.

[0008] The satellite winter railway transportation environmental protection device provided by the present invention is characterized by comprising: a room temperature vulcanizing adhesive layer 1, a nylon composite layer 2, an additional inner insulation layer 3, a mechanical structure reinforcement layer 4, and an outer surface coating layer 5.

[0009] The mechanical structure reinforcement layer 4 includes: a connecting fastener base component 41 and a connecting fastener locking component 42, which together form a connecting fastener unit of the mechanical structure reinforcement layer 4.

[0010] The room temperature vulcanizing adhesive layer 1 is used to bond the nylon composite layer 2 to the inner skin 900 of the packaging box. The nylon composite layer 2 is disposed between the room temperature vulcanizing adhesive layer 1 and the additional inner insulation layer 3. The connecting fastener base component 41 of the structural reinforcement layer 4 passes through the additional insulation layer 3 and the outer surface covering layer 5, and is bonded to the inner skin 900 of the packaging box through the room temperature vulcanizing adhesive layer 1. The bottom of the connecting fastener base component 41 faces the inner skin 900 of the packaging box. The outer surface covering layer 5 is disposed on the side of the additional insulation layer 3 without the nylon composite layer 2.

[0011] Preferably, the nylon composite layer 2 comprises: a nylon hook-and-loop side 21 and a nylon fleece side 22.

[0012] Preferably, one side of the additional inner insulation layer 3 is sewn and fixed to the nylon fleece surface 22 in a central grid pattern, and the other side is integrated with the outer surface covering layer 5 in a plastic packaging; four sets of mechanical structural reinforcement layer 4 adhesive holes are reserved around the central grid pattern of the additional inner insulation layer 3.

[0013] Preferably, the additional insulation layer 3 includes: multiple rubber and plastic sponge component units 311; the rubber and plastic sponge component units 311 are arranged in a grid pattern with nylon hook and loop fasteners forming a hook and loop fastener surface 21, which is fixed by sewing with polyester pagoda thread; four connecting fastener base components 41 are pasted into the four corner spaces of the grid.

[0014] Preferably, the mechanical structure reinforcement layer 4 is installed at four sets of adhesive bonding positions reserved around the center grid of the additional inner insulation layer 3; the connecting fastener base component 41 is bonded to the inner skin 900 of the packaging box through the room temperature vulcanizing adhesive layer 1; and the connecting fastener locking component 42 locks and fixes the outer surface covering layer 5.

[0015] Preferably, the outer surface covering 5 includes a straight-line broken aluminum foil adhesive tape 24; the additional inner insulation layer 3 is made of rubber and plastic sponge as the main material of the additional inner insulation layer 3.

[0016] Preferably, the connecting tab base component 41 and the connecting tab locking component 42 are machined from YS-20 polyimide rods.

[0017] Preferably, the room temperature vulcanizing adhesive layer 1 is made of GD414 silicone rubber.

[0018] The manufacturing method of the satellite railway transportation environmental protection device provided by the present invention includes the following steps:

[0019] Step S1: Prepare rubber and plastic sponge prefabricated board. Specifically: Select rubber and plastic sponge board material, lay a layer of straight-line broken aluminum foil adhesive tape 24 on the rubber and plastic sponge board material, and use a sponge rolling and packaging machine to shape and package the whole piece in one piece; thus producing rubber and plastic sponge prefabricated board.

[0020] Step S2: The prepared rubber and plastic sponge prefabricated board is cut into standard units and divided into component units of equal size, that is, rubber and plastic sponge component units 311 that are prepared to form the additional inner insulation layer 3.

[0021] Step S3: Use polyester pagoda thread to evenly distribute around the rubber and plastic sponge component unit 311 and sew a grid pattern of nylon hook fasteners to form a hook fastener surface 21 in the center of the rubber and plastic sponge component unit 311. Use standard 40mm wide straight-line broken aluminum foil adhesive tape 24 to seal the edges of the rubber and plastic sponge component unit 311. Both sides need to be sealed.

[0022] Step S4: The inner skin 900 of the packaging box is laid out according to the path of the rubber and plastic sponge component unit 311. GD414 silicone rubber is evenly sprayed onto the corresponding path of the inner skin and the GD414 silicone rubber is evenly spread with a scraper. The thickness of the GD414 silicone rubber coating is 3-5mm. The nylon fastener surface 21 is pasted on the inner skin 900 of the packaging box within 30 minutes. Pressure is applied during the pasting process. After the GD414 silicone rubber is vulcanized at room temperature for 24 hours, the room temperature vulcanized adhesive layer 1 is formed.

[0023] Step S5: Reserve four sets of bottom holes in the four corners of the grid-shaped velvet layer of the rubber and plastic sponge component unit 311, and reserve the bonding positions of the connecting fastener base component 41 at the corresponding positions of the inner skin 900 of the packaging box. Glue GD414 silicone rubber, and use 140~325 grit sandpaper to sand the bottom surface of the connecting fastener base component 41 in the horizontal, vertical and circumferential directions until the bottom surface of the connecting fastener base component 41 is uniform. The thickness of the GD414 silicone rubber coating is 3~5mm. After the connecting fastener base component 41 is pasted, apply pressure with surface glass fiber tape and vulcanize at room temperature. After curing, remove the tape and proceed with subsequent operations.

[0024] Step S6: The rubber and plastic sponge component unit 311 of the additional inner insulation layer 3 is laid smoothly onto the inner skin 900 of the packaging box through the nylon fastener surface 21; the rubber and plastic sponge component unit 311 of the additional inner insulation layer 3 is fixed and tightened using the connecting fastener locking component 42.

[0025] Step S7: Wrap the leaking hot spots on the packaging box.

[0026] According to the present invention, a satellite includes the above-described satellite railway transportation environmental protection device.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The entire device has good surface conformity, is lightweight, easy to assemble and disassemble, does not generate excess material, can adapt to various transport packaging boxes, and can play a good passive insulation role, significantly improving the insulation performance of transport packaging boxes and ensuring the needs of all-weather railway transportation.

[0029] 2. The internal insulation layer structure avoids the metal frame of the box forming an integral thermal resistance material covering the curved surface, which has good conformability and is not prone to hot spots.

[0030] 3. The manufacturing process is simple and the cost is low;

[0031] 4. An outer surface coating is added to the outside of the device to reduce the gas adsorption of the components and ensure the performance requirements for leak detection.

[0032] 5. It adopts a nylon bonding layer and uses Velcro for easy and quick assembly and disassembly. Attached Figure Description

[0033] Other features, objects, and advantages of the invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0034] Figure 1 This is a schematic diagram of the stacked units of the additional insulation layer component.

[0035] Figure 2 This is a schematic diagram of the sandwich structure of the packaging box wall.

[0036] Figure 3 A simplified schematic diagram of the thermal resistance of the sandwich structure in the packaging box wall.

[0037] Figure 4 A simplified schematic diagram of the thermal resistance after adding an inner insulation layer component unit.

[0038] Figure 5 This is a schematic diagram of the satellite packaging box from the isometric view.

[0039] Figure 6 This is a picture of the product inside the base of the modified packaging box.

[0040] Figure 7 Actual product image of the inner wall of the modified packaging box lid.

[0041] Figure 8 A graph showing the temperature change inside the entire packaging box during a single transport process after modification;

[0042] Figure 8 In the diagram, the horizontal axis represents the transportation time (in hours), and the vertical axis represents the temperature inside the packaging box (in degrees Celsius).

[0043] Figure 9 This is a schematic diagram showing the arrangement of rubber and plastic sponge components and nylon fleece.

[0044] The diagram shows:

[0045] Detailed Implementation

[0046] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0047] like Figure 1 As shown, this embodiment of the invention provides a satellite railway transportation environmental protection device, including: a room temperature vulcanizing adhesive layer 1, a nylon composite layer 2, an additional inner insulation layer 3, a mechanical structure reinforcement layer 4, and an outer surface coating layer 5;

[0048] The nylon composite layer 2 includes: a nylon hook-and-loop fastener surface 21 and a nylon fleece surface 22, wherein the nylon fleece surface 22 and the additional inner insulation filling layer 3 are sewn together with polyester pagoda thread.

[0049] like Figure 1 , Figure 9As shown, the additional inner insulation layer 3 includes multiple 1m×1m×30mm component units of rubber and plastic sponge 311. Around the perimeter and center of each rubber and plastic sponge component unit 311, a lattice pattern of Velcro fasteners 21 is sewn together. Four connecting fastener base components 41 are attached to the four corners of the lattice pattern. One side of the additional inner insulation layer 3 is sewn and fixed to the nylon fleece surface 22 using a central lattice pattern, while the other side is integrally plastically packaged with the outer surface covering layer 5. Four sets of mechanical structural reinforcement layer 4 bonding holes are reserved around the central lattice pattern of the additional inner insulation layer 3.

[0050] The mechanical structure reinforcement layer 4 includes: a connecting fastener base component 41 and a connecting fastener locking component 42, which together form a connecting fastener unit; the connecting fastener locking component 42 is used to realize the physical reinforcement of the satellite railway transportation environmental protection device. Specifically, the mechanical structure reinforcement layer 4 is installed at four sets of adhesive positions reserved around the center grid space of the additional inner insulation layer 3; the connecting fastener base component 41 is bonded to the inner skin 900 of the packaging box through a room temperature vulcanizing adhesive layer 1; the connecting fastener base component 41 and the connecting fastener locking component 42 cooperate to lock and fix the outer surface covering layer 5;

[0051] The room temperature vulcanizing adhesive layer 1 is used to bond the nylon composite layer 2 to the inner skin 900 of the packaging box. The connecting fastener base component 41 of the structural reinforcement layer 4 passes through the additional insulation layer 3 and is bonded to the inner skin 900 of the packaging box through the room temperature vulcanizing adhesive layer 1, with the bottom of the base facing the inner skin 900 of the packaging box.

[0052] The outer surface coating 5 uses straight-line disconnected aluminum foil adhesive tape 24. The material has the advantages of being easy to use, having excellent operation performance, and good following performance for curved and curved surfaces. It can be used normally in condensation and humid environments.

[0053] The additional inner insulation layer 3 uses rubber and plastic sponge as the main material. Rubber and plastic sponge has excellent deformation resistance, does not easily produce excess material, and meets the overall technical requirements for thermal resistance coefficient.

[0054] The connecting fastener base component 41 and the connecting fastener locking component 42 are made of YS-20 polyimide rods.

[0055] The room temperature vulcanizing adhesive layer 1 is made of GD414 silicone rubber. GD414 silicone rubber has excellent elongation at break, good resistance to weather aging during long-term use in the range of -60~200℃, and is non-corrosive to metals during the vulcanization and curing process.

[0056] This invention provides a method for manufacturing a satellite railway transportation environmental protection device, which, in order to manufacture the aforementioned satellite railway transportation environmental protection device, comprises the following steps:

[0057] Step S1: Prepare the precast rubber-plastic sponge board. Specifically: Select rubber-plastic sponge board material, lay a layer of straight-line broken aluminum foil adhesive tape 24 on top of the rubber-plastic sponge board material, and then use a sponge rolling and wrapping machine to shape and package the entire board in one piece. This produces the precast rubber-plastic sponge board.

[0058] Step S2: The prepared rubber and plastic sponge prefabricated board is cut into standard units and divided into component units with a size of 1m×1m×30mm, which are rubber and plastic sponge component units 311 that are prepared to form the additional inner insulation layer 3.

[0059] Step S3: As Figure 9 As shown, polyester pagoda thread is used on one side of the rubber and plastic sponge component unit 311. Nylon is evenly distributed around the rubber and plastic sponge component unit 311 and in a grid pattern at the center of the rubber and plastic sponge component unit 311 to form a nylon fleece 22. Standard 40mm wide straight-line broken aluminum foil adhesive tape 24 is used to seal the edges of the rubber and plastic sponge component unit 311. Both sides need to be sealed.

[0060] Step S4: The inner skin 900 of the packaging box is laid out according to the path of the rubber and plastic sponge component unit 311. GD414 silicone rubber is evenly sprayed onto the corresponding path of the inner skin and the GD414 silicone rubber is evenly spread with a scraper. The thickness of the GD414 silicone rubber coating is 3-5mm. The nylon fastener surface 21 is pasted on the inner skin 900 of the packaging box within 30 minutes. During the pasting process, the pressure is applied moderately and evenly. After the GD414 silicone rubber is vulcanized at room temperature for 24 hours, the room temperature vulcanized adhesive layer 1 is formed.

[0061] Step S5: Reserve 4 sets of M8 bottom holes Φ11.5 in the four corner spaces of the grid-shaped velvet layer of the rubber and plastic sponge component unit 311, and reserve the bonding position of the connecting fastener base component 41 at the corresponding position of the inner skin 900 of the packaging box. Glue GD414 silicone rubber, and use 140~325 grit sandpaper to sand the bottom surface of the connecting fastener base component 41 in the horizontal, vertical and circumferential directions until the bottom surface of the connecting fastener base component 41 is uniform. The GD414 silicone rubber coating area should be slightly larger than Φ30, and the GD414 silicone rubber coating thickness is 3~5mm. After the connecting fastener base component 41 is pasted, apply pressure with surface glass fiber tape and vulcanize at room temperature for 24 hours. After curing, remove the tape and proceed with subsequent operations.

[0062] Step S6: The rubber and plastic sponge component unit 311 of the additional inner insulation layer 3 is laid smoothly onto the inner skin 900 of the packaging box using the nylon fastener surface 21. The rubber and plastic sponge component unit 311 of the additional inner insulation layer 3 is then secured and tightened using the connecting fastener locking component 42.

[0063] Step S7: The packaging box can be divided into small component units and then assembled and wrapped as a whole. Focus on wrapping the leaking hotspots such as air conditioning pipe openings, leak detection ports, grounding stakes, and cable plugs. If the corresponding function is involved, the component units can also be quickly and easily removed.

[0064] In the above technical solution, the steps involving special adhesive bonding include:

[0065] In step S4, the nylon hook and loop fastener 21 and the inner skin 900 of the packaging box need to be fixed together with GD414 silicone rubber; then in step S5, the fastener base 41 and the packaging box skin 900 need to be fixed together with GD414 silicone rubber.

[0066] Specifically, one embodiment of the present invention is, for example... Figure 2 , Figure 3 As shown:

[0067] The original packaging box wall in the diagram mainly consists of an aluminum alloy outer skin layer 100, a fiber insulation layer of glass cloth 200, a polyurethane foam board 300, a profile frame 400, and an inner skin 900. The thermal resistance under the above original structure is analyzed as follows:

[0068]

[0069] Among them, the surface convective thermal resistance R5 occurs on the surface of the outer skin of the packaging box that comes into contact with the outside air, and the outer skin thermal conductivity R4 is the overall thermal resistance of the outer skin of the packaging box.

[0070] With two heat sources with a total heating power of 6KW, assuming an external environment temperature of T0 = -30℃, the theoretical temperature inside the container can be maintained at T = -3.70℃, which cannot meet the temperature guarantee requirement of 20℃±10℃ for the optical satellite during transportation.

[0071] like Figure 1 , Figure 4 , Figure 6 , Figure 7 As shown, in one embodiment, the satellite railway transportation environmental protection device of the present invention is adapted to the inner wall of the satellite packaging box, serving as an additional insulation layer to achieve the insulation function. The additional inner insulation layer 3 is made of rubber-plastic sponge with a thickness δ=30mm and a heat transfer coefficient k=0.04 W / m·K, according to... Figure 5 The specific implementation structural dimensions of the satellite packaging box are shown in the isoscopic diagram. After adding the environmental protection device for satellite railway transportation, the calculated thermal resistance value is as follows (considering heat leakage from the through-wall piping):

[0072]

[0073] It can be seen that by adding the packaging box of the satellite railway transportation environmental protection device of the present invention, the thermal resistance is reduced to 235% of the original, and the thermal insulation performance of the satellite packaging box is greatly improved.

[0074] The present invention will now be described in further detail.

[0075] In one embodiment, an atmospheric environment monitoring satellite is transported by rail to a base in January. Based on the local annual average environmental parameters in January, taking extreme conditions: temperature -30℃, humidity 95%, and defrosting time of air conditioning heating unloading close to 21 minutes, the satellite packaging box is required to have an outdoor extreme temperature as low as -30℃ and may have a 0.5-hour defrosting condition. In the absence of a heating source inside the box, the temperature should not fluctuate significantly, ensuring that the satellite transportation temperature is within 15℃~25℃.

[0076] In one embodiment, an atmospheric environment monitoring satellite is transported by rail to a base in January. The selected packaging boxes use a single 3000KW air conditioner for heating, or two 6000KW air conditioners for heating, with a maximum heating temperature of 25℃. Without a railway transportation environmental protection device, the satellite packaging box requires both air conditioners to be running at full power to meet the environmental protection requirements in weather conditions of -10℃ to -15℃. Furthermore, the air conditioners must be running continuously and cannot be turned off. If one air conditioner fails, the single air conditioner cannot guarantee the environment inside the box. With the railway transportation environmental protection device added, the packaging box can meet the temperature protection requirements of a -30℃ transportation environment when both air conditioners are running. When the ambient temperature is above -20℃, only one air conditioner needs to be running, and the two air conditioners can work alternately to ensure reliable operation. Even if one air conditioner fails, the temperature inside the satellite packaging box can still be guaranteed to be above 0℃ in extremely cold temperatures of -30℃.

[0077] In one embodiment, see details Figure 8 The atmospheric environment monitoring satellite was transported by rail to a certain base in January. The lowest ambient temperature during the entire journey was -11.2℃. The temperature curve of the packaging box remained stable throughout the transportation process, with temperature fluctuations not exceeding 3%.

[0078] In summary, the invention addresses the critical need in existing technologies for all-weather satellite railway transportation environment protection, particularly for satellite railway transportation environment protection under low-temperature conditions. It offers advantages such as lower cost, ease of assembly and disassembly, adaptability to various transport packaging boxes, and good passive insulation effect, significantly improving the insulation performance of transport packaging boxes.

[0079] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0080] Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A satellite railway transportation environmental protection device, characterized in that, include: Room temperature vulcanizing adhesive layer (1), nylon composite layer (2), additional inner insulation layer (3), mechanical structure reinforcement layer (4), outer surface coating (5); The mechanical structure reinforcement layer (4) includes: a connecting fastener base component (41) and a connecting fastener locking component (42), which together form a connecting fastener unit of the mechanical structure reinforcement layer (4); The room temperature vulcanizing adhesive layer (1) is used to bond the nylon composite layer (2) to the inner skin (900) of the packaging box. The nylon composite layer (2) is disposed between the room temperature vulcanizing adhesive layer (1) and the additional inner insulation layer (3). The connecting buckle base component (41) of the structural reinforcement layer (4) is disposed through the additional insulation layer (3) and the outer surface covering layer (5), and is bonded to the inner skin (900) of the packaging box through the room temperature vulcanizing adhesive layer (1). The bottom of the connecting buckle base component (41) faces the inner skin (900) of the packaging box. The outer surface covering layer (5) is disposed on the side of the additional insulation layer (3) without the nylon composite layer (2). The nylon composite layer (2) includes: a nylon hook and loop fastener surface (21) and a nylon fleece surface (22); The outer surface covering (5) includes a straight-line broken aluminum foil adhesive tape (24); the additional inner insulation layer (3) is made of rubber and plastic sponge as the main material of the additional inner insulation layer (3); The additional inner insulation layer (3) is sewn to the nylon fleece surface (22) in a central grid pattern on one side, and is integrated with the outer surface covering layer (5) in a plastic packaging on the other side; four sets of mechanical structure reinforcement layer (4) adhesive holes are reserved around the central grid of the additional inner insulation layer (3); The mechanical structure reinforcement layer (4) is installed in the four sets of adhesive positions reserved around the center grid of the additional inner insulation layer (3); the connecting buckle base component (41) is bonded to the inner skin (900) of the packaging box through the room temperature vulcanized adhesive layer (1); the connecting buckle locking component (42) locks and fixes the outer surface covering (5).

2. The satellite railway transportation environmental protection device according to claim 1, characterized in that, The additional insulation layer (3) includes: multiple rubber and plastic sponge component units (311); the rubber and plastic sponge component unit (311) is surrounded by a grid-shaped sewing arrangement with nylon hook and loop fasteners forming a hook and loop fastener surface (21), which is fixed by sewing with polyester pagoda thread; four connecting buckle base components (41) are pasted in the four corner spaces of the grid.

3. The satellite railway transportation environmental protection device according to claim 1, characterized in that, The connecting tab base component (41) and the connecting tab locking component (42) are made of YS-20 polyimide rods.

4. The satellite railway transportation environmental protection device according to claim 1, characterized in that, The room temperature vulcanized adhesive layer (1) is made of GD414 silicone rubber.

5. A method for manufacturing a satellite railway transportation environmental protection device according to any one of claims 1 to 4, characterized in that, Includes the following steps: Step S1: Prepare rubber and plastic sponge prefabricated board. Specifically: Select rubber and plastic sponge board material, lay a layer of straight-line broken aluminum foil adhesive tape (24) on the rubber and plastic sponge board material, and shape and package the whole board in one piece using a sponge rolling and wrapping machine; thus, prepare rubber and plastic sponge prefabricated board. Step S2: The prepared rubber and plastic sponge prefabricated board is cut into standard units and divided into component units of equal size, that is, rubber and plastic sponge component units (311) that are prepared to form the additional inner insulation layer (3). Step S3: Use polyester pagoda thread to evenly distribute around the rubber and plastic sponge component unit (311) and sew a grid pattern of nylon hook fasteners to form a hook fastener surface (21) in the center of the rubber and plastic sponge component unit (311). Use standard 40mm wide straight-line broken aluminum foil adhesive tape (24) to seal the edges of the rubber and plastic sponge component unit (311). Both sides need to be sealed. Step S4: The inner skin (900) of the packaging box is laid out according to the path of the rubber and plastic sponge component unit (311). GD414 silicone rubber is evenly sprayed onto the corresponding path of the inner skin and the GD414 silicone rubber is evenly scraped with a scraper. The thickness of the GD414 silicone rubber coating is 3-5mm. The nylon fastener surface (21) is pasted on the inner skin (900) of the packaging box within 30 minutes. Pressure is applied during the pasting process. After the GD414 silicone rubber is vulcanized at room temperature for 24 hours, a room temperature vulcanized adhesive layer (1) is formed. Step S5: Reserve four sets of bottom holes in the four corners of the grid-shaped velvet layer of the rubber and plastic sponge component unit (311), and reserve the bonding position of the connecting fastener base component (41) in the corresponding position of the inner skin (900) of the packaging box. Glue GD414 silicone rubber, and use 140~325 grit sandpaper to sand the bottom surface of the connecting fastener base component (41) in the horizontal, vertical and circumferential directions until the bottom surface of the connecting fastener base component (41) is uniform. The thickness of the GD414 silicone rubber coating is 3~5mm. After the connecting fastener base component (41) is pasted, apply pressure with surface glass fiber tape and vulcanize at room temperature. After curing, remove the tape and proceed with subsequent operations. Step S6: The rubber and plastic sponge component unit (311) with the additional inner insulation layer (3) is laid smoothly onto the inner skin (900) of the packaging box through the nylon fastener surface (21); the rubber and plastic sponge component unit (311) with the additional inner insulation layer (3) is fixed and tightened using the connecting fastener locking component (42). Step S7: Wrap the leaking hot spots on the packaging box.

6. A satellite, characterized in that, Includes the satellite railway transportation environmental protection device as described in any one of claims 1 to 4.

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