Anti-fogging nuclear power squint window

Abstract

The utility model discloses an anti-fogging nuclear power squint window, and relates to the technical field of squint windows, the anti-fogging nuclear power squint window comprises an outer mounting frame, the outer side of the outer mounting frame is fixedly connected with a first mounting rack, the first mounting rack is internally and fixedly provided with first lead glass, the inner part of the outer mounting frame is fixedly connected with a second mounting rack, and the second mounting rack is fixedly connected with a second lead glass. The beneficial effects of the utility model are that the first mounting rack, the second mounting rack, the third sealing gasket, the third mounting rack, the second sealing gasket, the fourth mounting rack, the first sealing gasket and the outer mounting frame are matched with each other, so that the sealing performance of the interior of the outer mounting frame can be ensured; then inert gas is injected into the outer mounting frame through an air inlet pipe and a second one-way valve, so that air in the outer mounting frame is discharged through an air guide pipe and a first one-way valve, and meanwhile, the surfaces of first lead glass, a concave mirror, a convex mirror and second lead glass are coated with polyvinyl butyral coatings to improve hydrophobicity; therefore, the fogging probability is reduced.

Description

Technical Field

[0001] This utility model relates to the field of viewing window technology, specifically to a nuclear power plant viewing window that is resistant to fogging. Background Technology

[0002] The observation window on the reactor containment of a nuclear power plant is a viewing device used by nuclear power-related personnel to observe the condition inside the containment. Because the temperature, pressure and radiation environment inside the reactor containment is not suitable for personnel to enter and inspect during routine reactor inspections, the observation window on the containment allows personnel to intuitively and clearly understand the situation inside the reactor, which is of great significance for assisting in the judgment of faults. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a nuclear power plant viewing window that is resistant to fogging, thus solving the problems mentioned in the background section.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an anti-fogging nuclear power plant viewing window, comprising an outer mounting frame, a first mounting bracket fixedly connected to the outer side of the outer mounting frame, a first lead glass fixedly mounted inside the first mounting bracket, a second mounting bracket fixedly connected to the inner side of the outer mounting frame, a concave mirror fixedly mounted inside the second mounting bracket, a third mounting bracket fixedly connected to the inner side of the outer mounting frame, a convex mirror fixedly mounted inside the third mounting bracket, a fourth mounting bracket fixedly connected to the inner side of the outer mounting frame, a second lead glass fixedly mounted inside the fourth mounting bracket, an air inlet pipe fixedly connected to the inner side of the outer mounting frame, a plurality of second one-way valves fixedly connected inside the air inlet pipe, and a gas guide pipe fixedly connected to the inner side of the outer mounting frame, a plurality of first one-way valves fixedly connected inside the gas guide pipe.

[0005] Preferably, a third sealing gasket is fixedly installed inside the second mounting bracket and the first mounting bracket. One side of the third sealing gasket is in contact with the inner wall of the outer mounting frame. Through the cooperation of the second mounting bracket, the first mounting bracket and the third sealing gasket, the sealing between the second mounting bracket and the first mounting bracket inside the outer mounting frame can be guaranteed.

[0006] Preferably, a second sealing gasket is fixedly installed inside the third mounting bracket, and one side of the second sealing gasket is in contact with the inner wall of the outer mounting frame. Through the cooperation of the third mounting bracket and the second sealing gasket, the sealing between the third mounting bracket and the second mounting bracket inside the outer mounting frame can be guaranteed.

[0007] Preferably, a first sealing gasket is fixedly installed inside the fourth mounting bracket, and one side of the first sealing gasket is in contact with the inner wall of the outer mounting frame. Through the cooperation between the fourth mounting bracket and the first sealing gasket, the sealing between the fourth mounting bracket and the third mounting bracket inside the outer mounting frame can be guaranteed.

[0008] Preferably, the outer mounting frame is a stepped mounting bracket.

[0009] Preferably, the first mounting bracket, the second mounting bracket, the third mounting bracket, and the fourth mounting bracket are each provided with multiple fixing bolts inside, and the first mounting bracket, the second mounting bracket, the third mounting bracket, and the fourth mounting bracket are fixed to the inside of the outer mounting frame by fixing bolts.

[0010] Preferably, a protective wall is provided on the outer side of the outer mounting frame, and a protective cover is fixedly connected to the outer side of the protective wall. The protective cover cooperates with the outer mounting frame, and a protective pad is provided on one side of the protective cover. One side of the protective pad is in contact with the outer mounting frame.

[0011] Preferably, the surfaces of the first lead glass, the concave mirror, the convex mirror, and the second lead glass are all coated with a polyvinyl butyral coating.

[0012] This invention provides a nuclear power plant viewing window that is resistant to fogging, and has the following beneficial effects:

[0013] 1. This anti-fogging nuclear power plant inspection window, through the cooperation of the first mounting frame, the second mounting frame, the third sealing gasket, the third mounting frame, the second sealing gasket, the fourth mounting frame, the first sealing gasket, and the outer mounting frame, can ensure the airtightness of the inner part of the outer mounting frame. Then, inert gas is injected into the inner part of the outer mounting frame through the air inlet pipe and the second one-way valve, so that the air inside the outer mounting frame is discharged through the air guide pipe and the first one-way valve. At the same time, the hydrophobicity is increased by coating the surfaces of the first lead glass, the concave mirror, the convex mirror, and the second lead glass with polyvinyl butyral coating, thereby reducing the probability of fogging.

[0014] 2. The anti-fogging nuclear power plant viewing window can protect and shield the observation end of the external mounting frame through the protective cover, so that observation can be carried out when the radiation level is low. The protective cover can reduce the radiation shielding requirements of the internal components of the external mounting frame, thereby improving the perspective observation effect of the first lead glass, concave mirror, convex mirror and second lead glass. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the external mounting frame of this utility model;

[0017] Figure 3This is a schematic diagram of the structure of the second mounting bracket of this utility model.

[0018] In the diagram: 1. Outer mounting frame; 2. First mounting bracket; 3. First lead glass; 4. Second mounting bracket; 5. Concave mirror; 6. Third mounting bracket; 7. Convex mirror; 8. Fourth mounting bracket; 9. Second lead glass; 10. Air duct; 11. First one-way valve; 12. Air inlet pipe; 13. Second one-way valve; 14. First sealing gasket; 15. Second sealing gasket; 16. Third sealing gasket; 17. Fixing bolt; 18. Protective wall; 19. Protective cover; 20. Protective pad. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Please see Figures 1 to 3 This utility model provides a technical solution: a nuclear power plant viewing window with anti-fogging capability, comprising an outer mounting frame 1, a first mounting bracket 2 fixedly connected to the outer side of the outer mounting frame 1, a first lead glass 3 fixedly installed inside the first mounting bracket 2, a second mounting bracket 4 fixedly connected to the inner side of the outer mounting frame 1, a concave mirror 5 fixedly installed inside the second mounting bracket 4, a third mounting bracket 6 fixedly connected to the inner side of the outer mounting frame 1, a convex mirror 7 fixedly installed inside the third mounting bracket 6, a fourth mounting bracket 8 fixedly connected to the inner side of the outer mounting frame 1, a second lead glass 9 fixedly installed inside the fourth mounting bracket 8, an air inlet pipe 12 fixedly connected to the inner side of the outer mounting frame 1, a plurality of second one-way valves 13 fixedly connected inside the air inlet pipe 12, and a gas guide pipe 10 fixedly connected to the inner side of the outer mounting frame 1, a plurality of first one-way valves 11 fixedly connected inside the gas guide pipe 10.

[0021] A third sealing gasket 16 is fixedly installed inside the second mounting bracket 4 and the first mounting bracket 2. One side of the third sealing gasket 16 is in contact with the inner wall of the outer mounting frame 1. Through the cooperation of the second mounting bracket 4, the first mounting bracket 2 and the third sealing gasket 16, the sealing between the second mounting bracket 4 and the first mounting bracket 2 inside the outer mounting frame 1 can be guaranteed.

[0022] The third mounting bracket 6 has a second sealing gasket 15 fixedly installed inside. One side of the second sealing gasket 15 is in contact with the inner wall of the outer mounting frame 1. Through the cooperation of the third mounting bracket 6 and the second sealing gasket 15, the sealing between the third mounting bracket 6 and the second mounting bracket 4 inside the outer mounting frame 1 can be guaranteed.

[0023] The first sealing gasket 14 is fixedly installed inside the fourth mounting bracket 8. One side of the first sealing gasket 14 is in contact with the inner wall of the outer mounting frame 1. Through the cooperation between the fourth mounting bracket 8 and the first sealing gasket 14, the sealing between the fourth mounting bracket 8 and the third mounting bracket 6 inside the outer mounting frame 1 can be guaranteed.

[0024] The outer mounting frame 1 is a stepped mounting bracket;

[0025] The first mounting bracket 2, the second mounting bracket 4, the third mounting bracket 6, and the fourth mounting bracket 8 are all equipped with multiple fixing bolts 17 inside. The first mounting bracket 2, the second mounting bracket 4, the third mounting bracket 6, and the fourth mounting bracket 8 are fixed to the inside of the outer mounting frame 1 by fixing bolts 17.

[0026] A protective wall 18 is provided on the outside of the outer mounting frame 1. A protective cover 19 is fixedly connected to the outside of the protective wall 18. The protective cover 19 cooperates with the outer mounting frame 1. A protective pad 20 is provided on one side of the protective cover 19. One side of the protective pad 20 is in contact with the outer mounting frame 1.

[0027] The surfaces of the first lead glass 3, the concave mirror 5, the convex mirror 7, and the second lead glass 9 are all coated with polyvinyl butyral coating.

[0028] In summary, this anti-fogging nuclear power plant inspection window, during use, is achieved by having the first mounting bracket 2, second mounting bracket 4, third mounting bracket 6, and fourth mounting bracket 8 inside the outer mounting frame 1 threadedly fixed to the inside of the outer mounting frame 1 using fixing bolts 17. The airtightness of the outer mounting frame 1 is ensured through the cooperation between the first mounting bracket 2, second mounting bracket 4, third sealing gasket 16, third mounting bracket 6, second sealing gasket 15, fourth mounting bracket 8, first sealing gasket 14, and the outer mounting frame 1. Then, air is introduced through the inlet pipe 12 and the second one-way valve 13. Inert gas is injected into the interior of the outer mounting frame 1, allowing the air inside the frame to be discharged through the vent pipe 10 and the first one-way valve 11. Meanwhile, the surface of the first lead glass 3, the concave mirror 5, the convex mirror 7, and the second lead glass 9 are coated with polyvinyl butyral to increase hydrophobicity and reduce the probability of fogging. The outer mounting frame 1 is then fixedly installed inside the protective wall 18. When observation is not required, the protective cover 19 can be used to close the outer mounting frame 1. When the radiation level is low, the protective cover 19 can be opened to observe the components inside the outer mounting frame 1.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A nuclear power plant viewing window with anti-fogging capability, comprising an outer mounting frame (1), characterized in that: The outer mounting frame (1) is fixedly connected to a first mounting bracket (2), and a first lead glass (3) is fixedly installed inside the first mounting bracket (2). The outer mounting frame (1) is fixedly connected to a second mounting bracket (4), and a concave mirror (5) is fixedly installed inside the second mounting bracket (4). The outer mounting frame (1) is fixedly connected to a third mounting bracket (6), and a convex mirror (7) is fixedly installed inside the third mounting bracket (6). The outer mounting frame (1) is fixedly connected to a fourth mounting bracket (8), and a second lead glass (9) is fixedly installed inside the fourth mounting bracket (8). The outer mounting frame (1) is fixedly connected to an air inlet pipe (12), and multiple second one-way valves (13) are fixedly connected inside the air inlet pipe (12). The outer mounting frame (1) is fixedly connected to an air guide pipe (10), and multiple first one-way valves (11) are fixedly connected inside the air guide pipe (10).

2. The anti-fogging nuclear power plant viewing window according to claim 1, characterized in that: The second mounting bracket (4) and the first mounting bracket (2) are fixedly installed with a third sealing gasket (16), one side of which is in contact with the inner wall of the outer mounting frame (1).

3. The anti-fogging nuclear power plant viewing window according to claim 1, characterized in that: The third mounting bracket (6) has a second sealing gasket (15) fixedly installed inside, and one side of the second sealing gasket (15) is in contact with the inner wall of the outer mounting frame (1).

4. The anti-fogging nuclear power plant viewing window according to claim 1, characterized in that: The first sealing gasket (14) is fixedly installed inside the fourth mounting bracket (8), and one side of the first sealing gasket (14) is in contact with the inner wall of the outer mounting frame (1).

5. The anti-fogging nuclear power plant viewing window according to claim 1, characterized in that: The outer mounting frame (1) is a stepped mounting frame.

6. The nuclear power plant viewing window with anti-fogging capability according to claim 1, characterized in that: The first mounting bracket (2), the second mounting bracket (4), the third mounting bracket (6), and the fourth mounting bracket (8) are all equipped with multiple fixing bolts (17). The first mounting bracket (2), the second mounting bracket (4), the third mounting bracket (6), and the fourth mounting bracket (8) are fixed to the inside of the outer mounting frame (1) by fixing bolts (17).

7. A nuclear power plant viewing window with anti-fogging properties according to claim 1, characterized in that: A protective wall (18) is provided on the outside of the outer mounting frame (1). A protective cover (19) is fixedly connected to the outside of the protective wall (18). The protective cover (19) cooperates with the outer mounting frame (1). A protective pad (20) is provided on one side of the protective cover (19). One side of the protective pad (20) is in contact with the outer mounting frame (1).

8. A nuclear power plant viewing window with anti-fogging properties according to claim 1, characterized in that: The surfaces of the first lead glass (3), the concave mirror (5), the convex mirror (7), and the second lead glass (9) are all coated with a polyvinyl butyral coating.

Images