CN212380138U - Nuclear power control cable - Google Patents

Abstract

The utility model discloses a nuclear power control cable, including the main part sinle silk to and locate the outside low smoke and zero halogen flame retardant polyolefin oversheath of main part sinle silk, the main part sinle silk mainly comprises glass silk area parcel layer, glass fiber filling layer, five conductive core and shock resistance, five conductive core comprises silicon rubber insulating layer, aluminum alloy layer, mica tape parcel layer and conductor, is equipped with rolled grain copper sheathing layer, mineral substance flame retardant coating, PE waterproof layer, polyester tape parcel layer, EVA elastic layer and corrosion resistant layer by interior outside to in proper order between main part sinle silk and the flame retardant polyolefin oversheath of low smoke and zero halogen, is equipped with a plurality of equidistance air vents on the PE waterproof layer. The utility model discloses the embossing copper sheathing layer that sets up makes this nuclear power control cable have better flexibility, the rolling of the cable of being convenient for with lay, the piece that shocks resistance and the air vent that set up make this nuclear power control cable have better shock resistance, improve the life of cable.

Description

Nuclear power control cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a nuclear power control cable.

Background

Nuclear power cables are cables dedicated to nuclear power plants. According to the planning of relevant national departments, the strategic target of 4000 ten thousand kw of installed capacity of the nuclear power production in China is realized by 2020, which means that the nuclear power development in China is warming. The nuclear power cable is an important electrical component of a nuclear power station, and the condition of the use place of the nuclear power cable is harsh, the requirement on safety is high, and the nuclear power cable not only needs to have the general characteristics of a common cable, but also needs to have specific environmental resistance, such as heat resistance, radiation resistance, LOCA (loss of coolant accident) resistance and the like.

Most of the existing nuclear power control cables have the following defects: 1. the flexibility is poor, and the cable is inconvenient to wind and lay; 2. the cable has poor shock resistance, is easy to deform under the impact of external force, and the conductive wire core structure inside the cable is easy to damage, so that the service life of the cable is shortened. Therefore, it is necessary to provide a new solution to this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nuclear power control cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nuclear power control cable, includes the main part sinle silk to and locate the outside low smoke and zero halogen fire-retardant polyolefin oversheath of main part sinle silk, the main part sinle silk mainly comprises glass silk area parcel layer, glass fiber filling layer, five conductive core and shock resistance piece, five conductive core comprises silicon rubber insulating layer, aluminum alloy layer, mica tape parcel layer and conductor, by interior to exterior being equipped with in proper order between main part sinle silk and the fire-retardant polyolefin oversheath of low smoke and zero halogen rolled grain copper sheathing layer, mineral substance flame retardant coating, PE waterproof layer, polyester belt parcel layer, EVA elastic layer and corrosion resistant layer, be equipped with a plurality of equidistant air vents on the PE waterproof layer.

Preferably, the conductor is formed by twisting a plurality of copper wires.

Preferably, a conductor filling layer is arranged outside the conductor.

Preferably, the impact-resistant part comprises a central shaft, five partition plates are connected to the outside of the central shaft at equal intervals, and the central shaft and the partition plates are made into an integrally formed structure.

Preferably, the corrosion-resistant layer is formed by winding carbon fiber cloth.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up embossing copper sheathing layer between main part sinle silk and low smoke and zero halogen fire-retardant polyolefin oversheath, make this nuclear power control cable have better flexibility, the rolling and the laying of the cable of being convenient for.

2. The utility model discloses a set up the piece that shocks resistance in the inside of main part sinle silk, the piece that shocks resistance includes the center pin, and the equidistant five baffles that are connected with in outside of center pin, and set up a plurality of equidistance air vents on the PE waterproof layer, make this nuclear power control cable have better shock resistance, the cable is difficult to take place deformation receiving external force impact, and avoids the inside conductive core structure of cable to receive destruction, improves the life of cable.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Fig. 2 is the schematic diagram of the cross-sectional structure of the conductive wire core of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the impact-resistant member of the present invention.

Fig. 4 is an enlarged schematic structural diagram of the present invention a.

In the figure: 1. a main body wire core; 2. a low-smoke halogen-free flame-retardant polyolefin outer sheath; 3. a glass ribbon wrapping layer; 4. a glass fiber filler layer; 5. a conductive wire core; 6. an impact resistant member; 61. a central shaft; 62. a partition plate; 7. a silicon rubber insulating layer; 8. an aluminum alloy layer; 9. a mica tape wrapping layer; 10. a conductor; 11. embossing the copper sheath layer; 12. a mineral refractory layer; 13. a PE waterproof layer; 14. a polyester tape wrapping layer; 15. an EVA elastic layer; 16. a corrosion-resistant layer; 17. a vent hole; 18. and a conductor filling layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a nuclear power control cable, including main body sinle silk 1, and locate the low smoke and zero halogen flame retardant polyolefin oversheath 2 of main body sinle silk 1 outside, main body sinle silk 1 mainly comprises glass silk area parcel layer 3, glass fiber filling layer 4, five conductive core 5 and shock resistance 6, five conductive core 5 comprises silicon rubber insulating layer 7, aluminum alloy layer 8, mica tape parcel layer 9 and conductor 10, be equipped with rolled grain copper sheathing layer 11, mineral substance flame retardant coating 12, PE waterproof layer 13, polyester area parcel layer 14, EVA elastic layer 15 and corrosion resistant layer 16 from inside to outside in proper order between main body sinle silk 1 and the low smoke and zero halogen flame retardant polyolefin oversheath 2, set up rolled grain copper sheathing layer 11 and make this nuclear power control cable have better flexibility, be convenient for the cable roll and lay, be equipped with a plurality of equidistant air vent 17 on the waterproof layer 13, the piece 6 and the air vent 17 of shocking resistance that set up make this nuclear power control cable have better shock resistance, and the cable is difficult to take place deformation under receiving external force impact, and avoids the inside conductive core structure of cable to receive destruction, improves the life of cable.

As the utility model discloses an optimal scheme, conductor 10 is formed for many copper wires transposition, and the current-carrying capacity of cable can be improved to conductor 10 made by many copper wires transposition, just conductor 10's outside is equipped with conductor filling layer 18, and the conductor filling layer 18 of setting can improve the electric energy transmission efficiency of cable.

As the utility model discloses a preferred scheme, piece 6 shocks resistance includes center pin 61, the outside equidistant five baffles 62 that are connected with of center pin 61, the baffle 62 cooperation center pin 61 that sets up uses, when receiving external force and assault, baffle 62 and center pin 61 have played fine guard action, effectively improve the shock resistance of cable, just center pin 61 makes with baffle 62 for the integrated into one piece structure, and integrated into one piece has mechanical structure stable, further improves the life of cable.

As the utility model discloses an optimal scheme, corrosion-resistant layer 16 forms for the carbon cloth winding, and 16 its corrosion resisting property on corrosion-resistant layer of making by the carbon cloth winding are better, are favorable to improving the life of cable.

When the utility model is manufactured, a plurality of copper wires are taken firstly, twisted to form a conductor 10, the exterior of the conductor 10 is wrapped with a mica tape wrapping layer 9 firstly, then a conductor filling layer 18 is arranged in the conductor, then an aluminum alloy layer 8 is wrapped, and finally a silicon rubber insulating layer 7 is wrapped to complete the manufacture of the conductive wire core 5, and the manufacture of five conductive wire cores 5 is completed according to the method, then the five conductive wire cores 5 are placed in a separation cavity arranged on an impact resistant piece 6, the exterior is wrapped with a glass fiber tape wrapping layer 3, and a glass fiber filling layer 4 is arranged in a gap between the conductive wire core 5 and the impact resistant piece to obtain a main body wire core 1, the exterior of the main body wire core 1 is sequentially completed with an embossing copper sheath layer 11, a mineral fire-resistant layer 12, a PE waterproof layer 13, a polyester tape wrapping layer 14, an EVA elastic layer 15, a corrosion-resistant layer 16 and a low, and finally obtaining the nuclear power control cable.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a nuclear power control cable, includes main part sinle silk (1) to and locate main part sinle silk (1) outside low smoke and zero halogen flame retardant polyolefin oversheath (2), its characterized in that: main part sinle silk (1) mainly comprises glass silk ribbon parcel layer (3), glass fiber filling layer (4), five conductive core (5) and impact resistance (6), five conductive core (5) comprises silicon rubber insulating layer (7), aluminum alloy layer (8), mica tape parcel layer (9) and conductor (10), be equipped with roll line copper sheathing layer (11), mineral substance flame retardant coating (12), PE waterproof layer (13), polyester tape parcel layer (14), EVA elastic layer (15) and corrosion resistant layer (16) by interior outside to in proper order between main part sinle silk (1) and low smoke and zero halogen flame retardant polyolefin oversheath (2), be equipped with a plurality of equidistance air vent (17) on PE waterproof layer (13).

2. A nuclear power control cable according to claim 1, wherein: the conductor (10) is formed by stranding a plurality of copper wires.

3. A nuclear power control cable according to claim 2, wherein: and a conductor filling layer (18) is arranged outside the conductor (10).

4. A nuclear power control cable according to claim 1, wherein: the anti-impact piece (6) comprises a central shaft (61), five partition plates (62) are connected to the outer portion of the central shaft (61) at equal intervals, and the central shaft (61) and the partition plates (62) are made of an integrally formed structure.

5. A nuclear power control cable according to claim 1, wherein: the corrosion-resistant layer (16) is formed by winding carbon fiber cloth.

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