Anti-radiation electrical box for nuclear power plant

Abstract

The utility model discloses an anti-radiation electrical box for a nuclear power plant, which comprises a box body, the box body is provided with an electrical chamber for installing electrical elements, and a channel structure is also arranged in the box body; the box body is made of a ray shielding material, and the rosemary channel structure is made of a ray shielding material; the box body comprises a bottom plate, a top plate and side plates; the side plate comprises a first side part, a second side part, a third side part and a fourth side part, and the first side part is provided with a wire inlet and a wire outlet; the channel structure comprises a first isolation part and a second isolation part, the first end of the first isolation part is connected with the inner wall of the first side part, and the second isolation part and the third side part are oppositely arranged in parallel. When the radiation-proof electrical box of the nuclear power plant is irradiated, the ray shielding material scatters and absorbs rays, so that the dose rate in the radiation-proof electrical box of the nuclear power plant is reduced; when the front surface of the radiation-proof electrical box of the nuclear power plant is irradiated, rays enter the channel structure through the terminal wire body or the gap between the wires, and pass through and scatter in the channel structure for a certain distance, so that the energy and the destructiveness of the rays are weakened.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power technology field especially relates to a nuclear power plant anti - radiation electrical box. BACKGROUND

[0002] In the related art, the radiation protection technology of electrical components usually uses ray shielding material singly, which has certain limitations, because the electrical components usually need to interact with the outside through terminal wires, and the rays can directly enter the electrical box from the terminal wire body or the gap between the wires, thereby damaging the electronic components in the electrical box. In the application environment of the radiation scene, if the electrical part is not properly protected, the device will lose its original function, and even perform unintended actions, which will cause irreversible damage to the electronic components of the device, and will also restrict the production activities of the nuclear power plant. SUMMARY

[0003] The technical problem to be solved by the utility model lies in providing a nuclear power plant anti - radiation electrical box.

[0004] The utility model adopts the technical scheme in the technical problem is solved: construct a kind of nuclear power plant anti - radiation electrical box, including box body, the box body is equipped with the electrical chamber of installation electrical component, the box body is also equipped with maze structure;The box body is the box body made of ray shielding material, and the maze structure is the maze structure made of ray shielding material;

[0005] The box body includes a bottom plate, a top plate and a side plate connected between the bottom plate and the top plate.

[0006] The side plate includes a first side, a second side, a third side and a fourth side. The first side and the third side are arranged in opposite parallel. The second side and the fourth side are arranged in opposite parallel. The two ends of the second side are respectively connected to the same side of the first side and the third side. One end of the fourth side is connected to the third side. The first side is provided with at least one line inlet and outlet.

[0007] The maze structure includes a first isolation part and a second isolation part connected to the first isolation part. The first isolation part is arranged close to the line inlet and outlet. The first end of the first isolation part is connected to the inner wall of the first side. The second isolation part is arranged in opposite parallel to the third side.

[0008] In some embodiments, the maze structure further includes a third isolation part arranged in parallel and spaced apart from the first isolation part. One end of the third isolation part is connected to the end of the second isolation part away from the first isolation part. The other end of the third isolation part is arranged in spaced apart from the first side.

[0009] In some embodiments, the maze structure further comprises a fourth partition, which is arranged in parallel with the second partition and is arranged close to the first side portion; one end of the fourth partition is connected to one end of the third partition away from the second partition.

[0010] In some embodiments, the maze structure further comprises a fifth partition, which is arranged in parallel with the first partition and one end of the fifth partition is connected to one end of the fourth partition away from the third partition.

[0011] In some embodiments, the maze structure further comprises a sixth partition, which is arranged in parallel with the second partition and one end of the sixth partition is connected to one end of the fifth partition away from the fourth partition.

[0012] In some embodiments, the maze structure further comprises a seventh partition, which is arranged in parallel with the third partition and one end of the seventh partition is connected to one end of the sixth partition away from the fifth partition.

[0013] In some embodiments, the maze structure further comprises an eighth partition, which is arranged in parallel with the fourth partition and one end of the eighth partition is connected to one end of the seventh partition away from the sixth partition.

[0014] In some embodiments, the maze structure further comprises a ninth partition, which is arranged in parallel with the fifth partition and one end of the ninth partition is connected to one end of the eighth partition away from the seventh partition.

[0015] In some embodiments, the bottom plate, the side plate and the maze structure are an integral structure.

[0016] In some embodiments, the top plate and the side plate are detachably connected.

[0017] The nuclear power plant radiation-proof electrical box has the following beneficial effects: the nuclear power plant radiation-proof electrical box comprises a box body, the box body is provided with an electrical chamber for mounting electrical elements, and the box body is further provided with a maze structure; the box body is made of a radiation shielding material, and the maze structure is made of a radiation shielding material; when the nuclear power plant radiation-proof electrical box is irradiated, the radiation shielding material of the nuclear power plant radiation-proof electrical box scatters and absorbs the radiation, thereby reducing the dose rate in the nuclear power plant radiation-proof electrical box; when the front of the nuclear power plant radiation-proof electrical box is irradiated, the radiation enters the maze structure through the terminal wire body or the inter-wire gap, travels and scatters in the maze structure for a distance, and the energy and destructiveness of the radiation are weakened. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in conjunction with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0019] Figure 1 is the structural schematic diagram of the nuclear power plant anti-radiation electrical box in some embodiments of the utility model;

[0020] Figure 2 is the partial structural schematic diagram of the nuclear power plant anti-radiation electrical box in some embodiments of the utility model;

[0021] Figure 3 is the internal structural schematic diagram of the nuclear power plant anti-radiation electrical box in Figure 2 . Specific implementation

[0022] In order to have a more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model will be described in detail below. In the following description, it should be understood that the directions or position relationships of "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail" and the like are based on the directions or position relationships shown in the drawings, and are constructed and operated in a particular direction, only for the convenience of describing the technical scheme, and should not be understood as indicating that the devices or elements must have a particular direction, therefore, it should not be regarded as a limitation on the utility model.

[0023] It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "setting" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above another element, or one or more intervening elements can exist. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In the following description, specific details are set forth in order to provide a thorough understanding of the embodiments of the present application, but the skilled in the art should understand that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted so as not to obscure the description of the present application with unnecessary details.

[0025] Referring to Figures 1 to 3 The utility model discloses a kind of nuclear power plant radiation protection electrical box, nuclear power plant radiation protection electrical box can be applied to nuclear power plant accelerator.

[0026] The nuclear power plant radiation protection electrical box includes a box body 10, which is provided with an electrical chamber A for mounting electrical components. The box body 10 is also provided with a maze structure 20. The box body 10 is made of a radiation shielding material, which includes but is not limited to lead and tungsten, and can absorb and scatter part of the radiation. The maze structure 20 is also made of a radiation shielding material, which includes but is not limited to lead and tungsten, and can absorb and scatter part of the radiation.

[0027] The box body 10 comprises a bottom plate 11, a top plate 12 and a side plate 13 connected between the bottom plate 11 and the top plate 12. The side plate 13 comprises a first side portion 131, a second side portion 132, a third side portion 133 and a fourth side portion 134, the first side portion 131 and the third side portion 133 are arranged in opposite parallel, the second side portion 132 and the fourth side portion 134 are arranged in opposite parallel, the two ends of the second side portion 132 are respectively connected to the same side of the first side portion 131 and the third side portion 133, one end of the fourth side portion 134 is connected to the third side portion 133, and the first side portion 131 is provided with at least one access port B for terminal wire threading. The access port B is in sequence communication with the passage formed by the maze structure 20 and the electrical chamber A.

[0028] The maze structure 20 comprises a first isolation portion 21 and a second isolation portion 22 connected to the first isolation portion 21, the first isolation portion 21 is arranged close to the access port B, one end of the first isolation portion 21 can be connected to the side wall of the access port B (as shown in Figure 3 The second isolation portion 22 is arranged in opposite parallel with the third side portion 133, and the inner side portions of the first isolation portion 21 and the second isolation portion 22 form the electrical chamber A.

[0029] The nuclear power plant radiation-proof electrical box is provided with the maze structure 20 to enhance the absorption and scattering of radiation particles in the maze structure 20 and the ray shielding material, thereby weakening the harm, and the outlet of the maze structure 20 is spaced from the access port B to increase the ray running and scattering distance.

[0030] In some embodiments, the maze structure 20 further comprises a third isolation portion 23, the third isolation portion 23 is arranged in parallel and spaced apart from the first isolation portion 21, one end of the third isolation portion 23 is connected to the end of the second isolation portion 22 away from the first isolation portion 21, and the other end of the third isolation portion 23 is arranged in spaced apart from the first side portion 131. The inner side portions of the first isolation portion 21, the second isolation portion 22 and the third isolation portion 23 form the electrical chamber A.

[0031] In some embodiments, the maze structure 20 further comprises a fourth isolation portion 24, the fourth isolation portion 24 is arranged in parallel and spaced apart from the second isolation portion 22, and the fourth isolation portion 24 is arranged close to the first side portion 131; one end of the fourth isolation portion 24 is connected to the end of the third isolation portion 23 away from the second isolation portion 22. The inner side portions of the first isolation portion 21, the second isolation portion 22, the third isolation portion 23 and the fourth isolation portion 24 form the electrical chamber A.

[0032] In some embodiments, the labyrinth structure 20 further comprises a fifth partition 25, which is arranged in parallel and spaced apart from the first partition 21, and one end of the fifth partition 25 is connected to the fourth partition 24 away from the one end of the third partition 23. The inner side portions of the second partition 22, the third partition 23, the fourth partition 24 and the fifth partition 25 form the electrical chamber A.

[0033] In some embodiments, the labyrinth structure 20 further comprises a sixth partition 26, which is arranged in parallel and spaced apart from the second partition 22, and one end of the sixth partition 26 is connected to the fifth partition 25 away from the one end of the fourth partition 24. The inner side portions of the third partition 23, the fourth partition 24, the fifth partition 25 and the sixth partition 26 form the electrical chamber A.

[0034] In some embodiments, the labyrinth structure 20 further comprises a seventh partition 27, which is arranged in parallel and spaced apart from the third partition 23, and one end of the seventh partition 27 is connected to the sixth partition 26 away from the one end of the fifth partition 25. The inner side portions of the fourth partition 24, the fifth partition 25, the sixth partition 26 and the seventh partition 27 form the electrical chamber A.

[0035] In some embodiments, the labyrinth structure 20 further comprises an eighth partition 28, which is arranged in parallel and spaced apart from the fourth partition 24, and one end of the eighth partition 28 is connected to the seventh partition 27 away from the one end of the sixth partition 26. The inner side portions of the fifth partition 25, the sixth partition 26, the seventh partition 27 and the eighth partition 28 form the electrical chamber A.

[0036] In some embodiments, the labyrinth structure 20 further comprises a ninth partition 29, which is arranged in parallel and spaced apart from the fifth partition 25, and one end of the ninth partition 29 is connected to the eighth partition 28 away from the one end of the seventh partition 27. The inner side portions of the fifth partition 25, the sixth partition 26, the seventh partition 27, the eighth partition 28 and the ninth partition 29 form the electrical chamber A.

[0037] In some embodiments, all the partitions are tightly abutted against the side of the top plate 12 facing the bottom plate 11 (i.e. the inner surface of the top plate 12) at the end away from the bottom plate 11.

[0038] In some embodiments, the box body 10 is substantially a cuboid structure, which can be a square cuboid structure or a rectangular cuboid structure.

[0039] In some embodiments, the bottom plate 11, the top plate 12 and the side plate 13 can be made of composite material, for example, the outer layer of the bottom plate 11, the top plate 12 and the side plate 13 is lead layer, and the inner layer is polyethylene material.

[0040] In some embodiments, the bottom plate 11 is fixedly connected with the side plate 13, and the bottom plate 11 and the side plate 13 can be an integral structure. In some embodiments, the bottom plate 11, the side plate 13 and the labyrinth structure 20 can be an integral structure without bolts and other connecting members, which is used to provide space and support for electrical elements in the electrical chamber A. The integral plate structure is more solid.

[0041] In some embodiments, the top plate 12 is detachably connected with the side plate 13. The top plate 12 is used to bear external pressure and protect internal electrical elements. The four corners of the top plate 12 and the side plate 13 can be connected by screw members, which is convenient for loading and taking out electrical elements and can effectively limit the position of the top plate 12 to avoid its random rotation. At the same time, rubber gaskets are arranged at the connection positions to improve the sealing performance of the connection. In addition to maintaining the sealing of the top of the nuclear power plant radiation-proof electrical box against radioactive gas, the rubber gaskets can also prevent liquid with radioactive contamination from entering the nuclear power plant radiation-proof electrical box through the top gap to cause short circuit or radiation damage.

[0042] In some embodiments, the number of layers of the labyrinth structure 20 or the thickness of the wall surface of the bottom plate 11, the top plate 12 and the side plate 13 can be increased or decreased. In addition, the size of the nuclear power plant radiation-proof electrical box can also be changed according to the volume and shape of the electrical elements to meet the use requirements.

[0043] The nuclear power plant radiation-proof electrical box is applied as follows: when the nuclear power plant radiation-proof electrical box is irradiated, the radiation shielding material of the nuclear power plant radiation-proof electrical box will scatter and absorb the radiation, reducing the dose rate in the nuclear power plant radiation-proof electrical box; when the front of the nuclear power plant radiation-proof electrical box is irradiated, the radiation enters the labyrinth structure 20 through the terminal line body or the gap between the lines, travels and scatters in the labyrinth structure 20 for a distance, reducing its energy and destructive power.

[0044] It can be understood that the above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent of the present application; it should be pointed out that for ordinary skilled persons in the art, the above technical features can be freely combined without departing from the concept of the present application, and some deformations and improvements can be made, which all belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application should belong to the scope of the claims of the present application.

Claims

1. A radiation shielded electrical box for a nuclear power plant, characterized by, The utility model provides a box body (10) is provided with the electrical room (A) of installing electrical element, still be equipped with the maze structure (20) in the box body (10), the box body (10) is the box body made of ray shielding material, the maze structure (20) is the maze structure made of ray shielding material, The box body (10) comprises a bottom plate (11), a top plate (12) and a side plate (13) connected between the bottom plate (11) and the top plate (12). The side plate (13) comprises a first side (131), a second side (132), a third side (133) and a fourth side (134), the first side (131) and the third side (133) are arranged in opposite parallel, the second side (132) and the fourth side (134) are arranged in opposite parallel, the two ends of the second side (132) are connected to the same side of the first side (131) and the third side (133) respectively, one end of the fourth side (134) is connected to the third side (133), and the first side (131) is provided with at least one access port (B). The maze structure (20) comprises a first isolation part (21) and a second isolation part (22) connected with the first isolation part (21), the first isolation part (21) is arranged close to the access port (B), and a first end of the first isolation part (21) is connected to an inner wall of the first side (131), and the second isolation part (22) is arranged in opposite parallel with the third side (133).

2. The radiation-shielded electrical box for nuclear power plants of claim 1, wherein, The maze structure (20) further comprises a third isolation part (23), the third isolation part (23) is arranged in parallel and spaced apart from the first isolation part (21), one end of the third isolation part (23) is connected to an end of the second isolation part (22) away from the first isolation part (21), and the other end of the third isolation part (23) is arranged in spaced apart from the first side (131).

3. The radiation-shielded electrical box for nuclear power plants of claim 2, wherein, The maze structure (20) further comprises a fourth isolation part (24), the fourth isolation part (24) is arranged in parallel and spaced apart from the second isolation part (22), and the fourth isolation part (24) is arranged close to the first side (131); one end of the fourth isolation part (24) is connected to an end of the third isolation part (23) away from the second isolation part (22).

4. The radiation-shielded electrical box for nuclear power plants of claim 3, wherein, The maze structure (20) further comprises a fifth isolation part (25), the fifth isolation part (25) is arranged in parallel and spaced apart from the first isolation part (21), and one end of the fifth isolation part (25) is connected to an end of the fourth isolation part (24) away from the third isolation part (23).

5. The radiation-shielded electrical box for nuclear power plants of claim 4, wherein, The maze structure (20) further comprises a sixth isolation part (26), the sixth isolation part (26) is arranged in parallel and spaced apart from the second isolation part (22), and one end of the sixth isolation part (26) is connected to an end of the fifth isolation part (25) away from the fourth isolation part (24).

6. The radiation-shielded electrical box for nuclear power plants of claim 5, wherein, The maze structure (20) further comprises a seventh partition (27) which is arranged in parallel and spaced apart with the third partition (23), and one end of the seventh partition (27) is connected with one end of the sixth partition (26) away from the fifth partition (25).

7. The radiation-shielded electrical box for nuclear power plants of claim 6, wherein, The maze structure (20) further comprises an eighth partition (28) which is arranged in parallel and spaced apart with the fourth partition (24), and one end of the eighth partition (28) is connected with one end of the seventh partition (27) away from the sixth partition (26).

8. The radiation-shielded electrical box for nuclear power plants of claim 7, wherein, The maze structure (20) further comprises a ninth partition (29) which is arranged in parallel and spaced apart with the fifth partition (25), and one end of the ninth partition (29) is connected with one end of the eighth partition (28) away from the seventh partition (27).

9. The radiation-shielded electrical box of any one of claims 1 to 8, wherein, The bottom plate (11), the side plate (13) and the maze structure (20) are an integral structure.

10. The radiation-shielded electrical box for nuclear power plants according to any one of claims 1 to 8, characterized in that, The top plate (12) and the side plate (13) are detachably connected.

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