Pressure tight window suitable for ultra-low temperature environment

Abstract

The utility model provides a kind of pressure-tight window suitable for super-low temperature environment, comprising: window frame, window frame is vertically arranged with horizontal plane and is fixed on polar building, and window frame is hollow cuboid structure;Fixed frame, fixed frame is vertically arranged with horizontal plane and is fixed on polar building, and fixed frame is fixed in the hollow structure inside of window frame;First vacuum glass and second vacuum glass are oppositely arranged, second vacuum glass is arranged on the side of fixed frame close to indoor of polar building, first vacuum glass is arranged on the side of second vacuum glass close to indoor of polar building, first vacuum glass and second vacuum glass are all arranged in the hollow structure inside of window frame, and hollow layer between first vacuum glass and second vacuum glass;It further includes pressure-resistant glass, and pressure-resistant glass is arranged on the side of first vacuum glass close to indoor of polar building.The pressure-tight window provided by the utility model includes multiple layers of glass, which can effectively improve the pressure-bearing capacity and thermal insulation effect of the overall air-tight window.

Description

Technical Field

[0001] This utility model relates to the field of building materials technology, and in particular to a pressure-bearing airtight window suitable for ultra-low temperature environments. Background Technology

[0002] Antarctica, with its altitude reaching 4087 meters and extreme temperatures plummeting to -90°C, is considered a no-go zone for human survival. Living there not only causes altitude sickness due to the varying air pressure, but also results in frostbite from working outdoors for more than half an hour due to the extreme cold. The Kunlun Station in Antarctica is located in this region, but the existing station only considered insulation needs and could not meet the long-term living requirements of personnel. To establish a year-round station in the region to meet the long-term and reliable needs of personnel, the station's construction must simultaneously address the issues of extreme cold and pressurization. This requires a pressure difference of over 25 kPa between the inside and outside of the glass and a temperature difference of over 110 degrees Celsius.

[0003] Existing technologies such as laminated insulated glass can withstand certain pressures and provide some insulation at room temperature, but at extremely low temperatures, the glass itself experiences significant temperature deformation and stress, posing a substantial risk of spontaneous breakage. Vacuum glass can withstand a temperature difference of 100°C between the inside and outside; if this temperature difference is exceeded, the vacuum glass will spontaneously break due to internal stress. Furthermore, vacuum glass itself has significant internal stress due to the vacuum in the interlayer, making it unable to withstand large pressure differences. Utility Model Content

[0004] This utility model provides a pressure-bearing airtight window suitable for ultra-low temperature environments, aiming to solve the problem that existing airtight windows cannot withstand large pressure and temperature differences.

[0005] This application provides a pressure-bearing airtight window suitable for ultra-low temperature environments, applied in polar architecture, the airtight window comprising: A window frame, which is perpendicular to the horizontal plane and fixed to the polar building, is a hollow cuboid structure. A fixed frame is provided, which is perpendicular to the horizontal plane and fixed to the polar building. The fixed frame is fixed inside the hollow structure of the window frame. The first vacuum glass and the second vacuum glass are arranged opposite to each other. The second vacuum glass is arranged on the side of the fixed frame closer to the interior of the polar building, and the first vacuum glass is arranged on the side of the second vacuum glass closer to the interior of the polar building. Both the first vacuum glass and the second vacuum glass are arranged inside the hollow structure of the window frame, and there is a hollow layer between the first vacuum glass and the second vacuum glass. The airtight window also includes pressure-resistant glass, which is disposed on the side of the first vacuum glass near the interior of the polar building.

[0006] In some possible embodiments, the airtight window further includes a connecting adapter, which is fixed in the hollow structure of the window frame. The connecting adapter is disposed between the first vacuum glass and the second vacuum glass. The connecting adapter is a hollow structure, and the first vacuum glass and the second vacuum glass are disposed opposite each other on the left and right sides of the connecting adapter.

[0007] In some possible embodiments, the connecting adapter is made of ultra-high molecular weight polyethylene.

[0008] In some possible embodiments, the airtight window further includes a sealing frame disposed inside the hollow structure of the connecting conversion element.

[0009] In some possible embodiments, the airtight window further includes a sealing strip disposed between the outer side of the sealing frame and the inner side of the hollow structure of the connecting adapter, the sealing strip being used to seal the connecting adapter and the sealing frame.

[0010] In some possible embodiments, the airtight window further includes an isolation strip, the sealing frame is a hollow cuboid structure, and the isolation strip is fitted onto the inner side of the hollow structure of the sealing frame. The isolation strip is used to assist in limiting the position of the sealing strip.

[0011] In some possible embodiments, the sealing strip is made of fluorosilicone rubber material.

[0012] In some possible embodiments, the airtight window further includes a first pressure frame disposed inside the hollow structure of the window frame, the first pressure frame being disposed between the second vacuum glass and the fixed frame, and the first pressure frame pressing against the edge of the second vacuum glass to press the second vacuum glass onto the sealing strip.

[0013] In some possible embodiments, the airtight window further includes a glass auxiliary support frame disposed between the pressure-resistant glass and the first vacuum glass, the glass auxiliary support frame being disposed around the edge of the pressure-resistant glass.

[0014] In some possible embodiments, the airtight window further includes a second pressure frame, which is perpendicular to the horizontal plane and fixed to the polar building. The second pressure frame is disposed opposite to the fixed frame and fixed inside the hollow structure of the window frame. The second pressure frame is disposed on the side of the pressure-resistant glass closer to the interior. The second pressure frame, the fixed frame, and the window frame constitute the outer frame of the airtight window.

[0015] This utility model provides a pressure-bearing airtight window suitable for ultra-low temperature environments, comprising: a window frame, which is perpendicular to the horizontal plane and fixed to the polar building, and the window frame is a hollow cuboid structure; a fixed frame, which is also perpendicular to the horizontal plane and fixed to the polar building, and is fixed inside the hollow structure of the window frame; a first vacuum glass and a second vacuum glass arranged opposite each other, the second vacuum glass being located on the side of the fixed frame closer to the interior of the polar building, and the first vacuum glass being located on the side of the second vacuum glass closer to the interior of the polar building, both the first and second vacuum glass being located inside the hollow structure of the window frame, with a hollow layer between the first and second vacuum glass; and pressure-resistant glass, which is located on the side of the first vacuum glass closer to the interior of the polar building. The pressure-bearing airtight window provided by this utility model includes multi-layered glass, which can effectively improve the overall pressure-bearing capacity and thermal insulation effect of the airtight window. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a cross-sectional view of an embodiment of the pressure-bearing airtight window provided in this utility model; Figure 2 This is an exploded view of one embodiment of the pressure-bearing airtight window provided in this utility model. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0023] For details, please refer to Figure 1 This is a cross-sectional view of an embodiment of the pressure-bearing airtight window provided by this utility model. Figure 2 An exploded view of one embodiment of the pressure-bearing airtight window provided by this utility model is shown below in conjunction with the accompanying drawings. The pressure-bearing airtight bed provided by this utility model is suitable for the ultra-low temperature environment of polar regions and is mainly used in polar construction. Specifically, the airtight window includes a window frame 10 and a fixing frame 11. The window frame 10 is set perpendicular to the horizontal plane and fixed to the polar mobile building. The window frame 10 is a hollow cuboid structure. All other structures of the pressure-bearing airtight window are set inside the hollow structure of the window frame 10. The window frame 10 provides installation and limiting space for the entire pressure-bearing airtight window. The fixing frame 11 is also set perpendicular to the horizontal plane and fixed to the polar building. The fixing frame is fixedly installed inside the hollow structure of the window frame 10. Figure 1 Figure 2 The airtight window also includes a first vacuum glass 13 and a second vacuum glass 8 arranged opposite each other. Both the first vacuum glass 13 and the second vacuum glass 8 are located inside the hollow structure of the window frame 10. The second vacuum glass is located on the side of the fixed frame 11 closest to the interior of the polar building, while the first vacuum glass 13 is located on the side of the second vacuum glass 8 closest to the interior of the polar building. A hollow layer separates the first vacuum glass 13 and the second vacuum glass 8. The airtight window also includes a pressure-resistant glass 2, located on the side of the first vacuum glass 13 closest to the interior of the polar building. The pressure-resistant glass in this invention is a pressure-bearing glass, specifically laminated tempered glass, capable of withstanding pressure differences between the interior and exterior, preventing deformation and spontaneous breakage under large pressure differences. The simultaneous arrangement of the first vacuum glass 13 and the second vacuum glass 8, with a hollow layer between them, reduces heat loss and conduction, ensuring the temperature inside the polar building and further preventing deformation and spontaneous breakage of the pressure-resistant glass 2 under large temperature differences. This invention, by using three layers of glass, improves the pressure resistance and heat insulation effect of the airtight bed in ultra-low temperature environments.

[0024] Please continue to refer to this. Figure 1 Figure 2 The pressure-bearing airtight window also includes a connecting adapter 6, which is also fixed to the inner side of the window frame 10 by screws, that is, fixed in the hollow structure of the window frame 10. The connecting adapter 6 is located between the first vacuum glass 13 and the second vacuum glass 8, mainly to provide a space for the first vacuum glass 13 and the second vacuum glass 8 to be installed and fixed. The specific connection relationship will be described in detail in subsequent embodiments and is not limited here. The connecting adapter 6 of this utility model can also play a certain role in bearing pressure and insulating temperature. While absorbing the vibration of the buffer structure and reducing the stress of the glass, it also prevents the external low temperature from being directly transmitted to the pressure-resistant glass 2, avoiding the pressure-resistant glass 2 from cracking due to the large temperature difference between indoors and outdoors. In some embodiments, the connecting adapter 6 can be made of ultra-high molecular weight polyethylene (UPE).

[0025] exist Figure 1 Figure 2 The pressure-bearing airtight window also includes a sealing frame 3, which is also a hollow cuboid structure. The sealing frame 3 is located inside the hollow structure of the connecting conversion element 6. The airtight window also includes a sealing strip, which is positioned between the outer side of the sealing frame 3 and the inner side of the hollow structure of the connecting conversion element 6. The sealing strip is used to seal the connecting conversion element 6 and the sealing frame 3. Specifically, the sealing frame 3 is a hollow cuboid structure with a certain thickness. The sealing strip includes a first sealing strip 5 and a second sealing strip 9, which are positioned opposite each other and both surround the outer ring of the sealing frame 3 to wrap the outer wall of the sealing frame. Since the sealing frame 3 is located inside the hollow structure of the connecting conversion element 6, the first sealing strip 5 and the second sealing strip 9 are positioned between the outer wall of the sealing frame 3 and the inner wall of the hollow structure of the connecting conversion element 6; that is, the first sealing strip 5 and the second sealing strip 9 are in direct contact with the inner wall of the hollow structure of the connecting conversion element 6. The first sealing strip 5 and the second sealing strip 9 can ensure that a sealing structure is formed between the sealing frame 3 and the connecting conversion piece 6, and can absorb the stress between the sealing frame 3 and the connecting conversion piece 6, so as to avoid damage to the sealing frame 3 and the connecting conversion piece 6.

[0026] In this invention, on the projection surface facing the room, the projected area of ​​the first vacuum glass 13 is larger than the projected area of ​​the hollow region of the first sealing strip 5, and the outer edge of the first vacuum glass 13 does not exceed the outer edge of the first sealing strip 5, thus allowing the first vacuum glass 13 to be secured within the first sealing strip 5. Similarly, for the second vacuum glass 8, the projected area of ​​the second vacuum glass 8 is larger than the projected area of ​​the hollow region of the second sealing strip 9, and the outer edge of the second vacuum glass 8 does not exceed the outer edge of the second sealing strip 9, thus allowing the second vacuum glass 8 to be secured within the second sealing strip 9. In this invention, both the first sealing strip 5 and the second sealing strip 9 have a certain thickness. The first sealing strip 5 and the second sealing strip 9 are respectively positioned on the opposite edges of the sealing frame 3, which has a certain thickness, and extend beyond the edge of the sealing frame 3. The thickness of the first vacuum glass 13 is less than the thickness of the first sealing strip 5, allowing it to be secured within the first sealing strip 5. The thickness of the second vacuum glass 8 is less than the thickness of the second sealing strip 9, allowing it to be secured within the second sealing strip 9. In some embodiments, both the first sealing strip 5 and the second sealing strip 9 can be made of fluorosilicone rubber, which can withstand ultra-low temperatures without failure and is suitable for polar low-temperature environments.

[0027] The pressure-bearing airtight window provided by this utility model also includes an isolation strip 7. The sealing frame 3 is a hollow cuboid structure. The isolation strip 7 is attached to the inner side of the hollow structure of the sealing frame 3. The isolation strip 7 is mainly used to assist in limiting the sealing strip, ensuring that the sealing strip does not shift due to pressure during the pressure process, and ensuring the stability of the overall structure of the airtight window.

[0028] Please continue to refer to this. Figure 1 and Figure 2 The airtight window provided by this utility model also includes a glass auxiliary support frame 4, which is disposed between the pressure-resistant glass 2 and the first vacuum glass 13. The glass auxiliary support frame 4 is also a hollow cuboid structure, and it is arranged around the edge of the pressure-resistant glass 2, that is, the pressure-resistant glass 2 is held in the hollow structure of the glass auxiliary support frame 4. The glass auxiliary support frame 4 is mainly used to support the pressure-resistant glass and avoid the problem of glass damage caused by vibration due to excessive acceleration during the transportation of polar structures in polar environments.

[0029] Please continue to refer to this. Figure 1 Figure 2The airtight window provided by this utility model also includes a second pressure frame 1. The second pressure frame 1 is also vertically arranged and fixed to the polar building. The second pressure frame 1 is located on the side of the pressure-resistant glass 2 away from the first vacuum glass 13. The second pressure frame 1 is arranged opposite to the fixed frame 11 and fixed inside the hollow structure of the window frame 10. The second pressure frame 1, the fixed frame 11, and the window frame 10 form the outer skeleton of the pressure-bearing airtight window. The second pressure frame 1 is mainly used to press the first pressure-resistant glass 2 tightly onto the sealing frame 3 to form a stable structure. The airtight window provided by this utility model also includes a first pressure frame 12. The first pressure frame 12 is also arranged inside the hollow structure of the window frame 10, and the first pressure frame 12 is located between the second vacuum glass 8 and the fixed frame 11. The first pressure frame 12 presses against the edge of the second vacuum glass 8 to press the second vacuum glass 8 tightly onto the sealing strip, mainly pressing the second vacuum glass 8 tightly onto the second sealing strip 9.

[0030] In the above embodiments, the pressure-resistant glass 2, sealing frame 3, isolation strip 7, second sealing strip 9, and first vacuum glass 13 are all filled with a sealing coating to maintain the vacuum state between the first vacuum glass 13 and the second vacuum glass 8, preventing water vapor or pressure from entering the vacuum part between them, and preventing water vapor from condensing and frosting in low-temperature environments, thus preventing the vacuum environment from being destroyed. Meanwhile, the pressure-resistant glass 2, glass auxiliary support frame 4, isolation strip 7, and sealing frame 3 can all be made of UPE material to better protect the vacuum glass. For this utility model, the second pressure frame 1, pressure-resistant glass 2, glass auxiliary support frame 4, first sealing strip 5, connecting conversion part 6, isolation strip 7, and second sealing strip 9 constitute the pressure-bearing part of the airtight window, which can effectively improve the overall pressure-bearing effect of the airtight window and prevent problems such as cracking caused by large pressure differences between indoors and outdoors. Specifically, the indoor pressure of polar buildings is usually greater than the outdoor pressure. The air pressure inside the polar building is sequentially transmitted to the pressure-resistant glass 2, connecting conversion part 6, fixing frame 11, and window frame 10. The pressure-resistant glass 2 is the main pressure-bearing element and has a high pressure-bearing capacity. Meanwhile, the heat inside the polar building is also conducted sequentially to the pressure-resistant glass 2 - air - first vacuum glass 13 - air - second vacuum glass 80 - outside. Since the first vacuum glass 13 and the second vacuum glass 80 have good heat insulation capabilities, the temperature of the pressure-resistant glass can be kept above zero degrees Celsius, avoiding a large temperature difference between the indoor and outdoor sides of the pressure-resistant glass 2, and ensuring that the pressure-bearing capacity of the pressure-resistant glass is not affected by temperature.

[0031] For the airtight window provided by this utility model, all other functional structures in the airtight window are set inside the hollow structure of the window frame. Besides the window frame, along the direction from the interior to the exterior, a second pressure frame 1, pressure-resistant glass 2, glass auxiliary support frame 4, first vacuum glass 13, second vacuum glass 8, and second pressure frame 1 are arranged sequentially. The first vacuum glass 13 and second vacuum glass 8 are fixed on opposite sides of the connecting conversion piece 6. The edges of the second pressure frame 1, glass auxiliary support frame 4, connecting conversion piece 6, and fixing frame 11 are fixedly connected by screws. The pressure-bearing airtight window provided by this utility model improves the pressure-bearing capacity and heat insulation effect of the airtight bed by setting multiple layers of glass, making it suitable for ultra-low temperature environments in polar regions. Specifically, the pressure-resistant glass 2 is set on the side of the first vacuum glass 13 closest to the interior of the polar building, so that the pressure-resistant glass 2 can withstand a 25 kPa pressure difference between the interior and exterior without having to withstand a large temperature difference, thus avoiding the impact of the temperature difference between the interior and exterior on the pressure-bearing capacity of the pressure-resistant glass 2. Simultaneously, a double-layer airtight structure is adopted to ensure the airtightness of the polar building's interior and exterior, guaranteeing the building's thermal insulation effect. A double-layer vacuum structure is also employed to significantly reduce heat transfer from the polar building to the outside, effectively protecting the pressure-resistant glass 2 from damage due to temperature stress. The pressure-resistant glass 2, the first vacuum glass 13, and the second vacuum glass 8 in this invention can accommodate the need for a larger light-transmitting area. The layered installation method reduces the weight of a single layer of glass, allowing for convenient replacement in ultra-low temperature environments. For example, if the pressure-resistant glass 2 is damaged, it can be directly replaced without removing the first vacuum glass 13 and the second vacuum glass 8, ensuring that the vacuum glass can still function normally and maintain the indoor temperature. If the vacuum glass is damaged, any vacuum glass can be replaced by disassembling the first pressure frame 12 and the isolation strip 7. The pressure frame, sealing strip, and connectors in this invention can also be made of UPE material, which has good lubrication and shock resistance, preventing the glass from cracking due to excessive vibration.

[0032] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0033] The above provides a detailed description of a pressure-bearing airtight window suitable for ultra-low temperature environments provided by the embodiments of this utility model. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the technical solutions and core ideas of this utility model. Those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pressure-bearing airtight window suitable for ultra-low temperature environments, characterized in that, The airtight window, used in polar architecture, includes: A window frame, which is perpendicular to the horizontal plane and fixed to the polar building, is a hollow cuboid structure. A fixed frame is provided, which is perpendicular to the horizontal plane and fixed to the polar building. The fixed frame is fixed inside the hollow structure of the window frame. The first vacuum glass and the second vacuum glass are arranged opposite to each other. The second vacuum glass is arranged on the side of the fixed frame closer to the interior of the polar building, and the first vacuum glass is arranged on the side of the second vacuum glass closer to the interior of the polar building. Both the first vacuum glass and the second vacuum glass are arranged inside the hollow structure of the window frame, and there is a hollow layer between the first vacuum glass and the second vacuum glass. The airtight window also includes pressure-resistant glass, which is disposed on the side of the first vacuum glass near the interior of the polar building.

2. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 1, characterized in that, The airtight window also includes a connecting conversion component, which is fixed in the hollow structure of the window frame. The connecting conversion component is disposed between the first vacuum glass and the second vacuum glass. The connecting conversion component is a hollow structure, and the first vacuum glass and the second vacuum glass are disposed opposite each other on the left and right sides of the connecting conversion component.

3. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 2, characterized in that, The connecting conversion component is made of ultra-high molecular weight polyethylene.

4. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 2, characterized in that, The airtight window also includes a sealing frame, which is disposed inside the hollow structure of the connecting conversion component.

5. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 4, characterized in that, The airtight window also includes a sealing strip, which is disposed between the outer side of the sealing frame and the inner side of the hollow structure of the connecting conversion component. The sealing strip is used to seal the connecting conversion component and the sealing frame.

6. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 4, characterized in that, The airtight window also includes an isolation strip. The sealing frame is a hollow cuboid structure. The isolation strip is attached to the inner side of the hollow structure of the sealing frame and is used to assist in limiting the position of the sealing strip.

7. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 6, characterized in that, The sealing strip is made of fluorosilicone rubber.

8. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 6, characterized in that, The airtight window also includes a first pressure frame, which is disposed inside the hollow structure of the window frame. The first pressure frame is disposed between the second vacuum glass and the fixed frame. The first pressure frame presses against the edge of the second vacuum glass to press the second vacuum glass onto the sealing strip.

9. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 1, characterized in that, The airtight window also includes a glass auxiliary support frame, which is disposed between the pressure-resistant glass and the first vacuum glass, and the glass auxiliary support frame is disposed around the edge of the pressure-resistant glass.

10. The pressure-bearing airtight window suitable for ultra-low temperature environments according to claim 1, characterized in that, The airtight window also includes a second pressure frame, which is perpendicular to the horizontal plane and fixed to the polar building. The second pressure frame is opposite to the fixed frame and fixed inside the hollow structure of the window frame. The second pressure frame is located on the side of the pressure-resistant glass closer to the interior. The second pressure frame, the fixed frame, and the window frame constitute the outer frame of the airtight window.

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