CN202307200U - Class-1E category-K3 data probing composite cable for nuclear power station - Google Patents

Abstract

The utility model discloses an integrated data detection cable for 1E-level K3 nuclear power plants, which comprises a first cable core, and the outside of the first cable core is sequentially coated with a first wrapping layer, a second cable core, and a second wrapping layer, an oxygen barrier flame retardant layer, an armor layer and an outer sheath, and a first filling layer is provided between the first cable core and the first wrapping layer. The utility model has the advantages that the cable can transmit various data and control feedback signals, and can reduce laying difficulty, reduce occupied volume, save cost and improve efficiency.

Description

Data detection integrated cable for 1E class K3 nuclear power plant

technical field

The utility model relates to a cable, in particular to a comprehensive data detection cable for 1E-class K3 nuclear power plants.

Background technique

The computer cables, control cables, communication cables and other cables for 1E class K3 nuclear power plant cables are all self-contained and a single independent body. In use, a variety of data and control feedback signals are often required, and a variety of cables must be used in conjunction. At this time, multiple cables are required to be laid, which is bulky, the wiring is easy to be confused, and the laying increases the difficulty and high cost.

Utility model content

Purpose of the invention: Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide a comprehensive data detection cable for Class 1E K3 nuclear power plants capable of transmitting various data and control feedback signals.

Technical solution: In order to solve the above technical problems, the technical solution adopted by the utility model is: a comprehensive data detection cable for 1E-level K3 nuclear power plants, including the first cable core, which is coated with the first cable core in turn. A wrapping layer, a second cable core, a second wrapping layer, an oxygen barrier flame retardant layer, an armor layer and an outer sheath, and a first filling layer is arranged between the first cable core and the first wrapping layer.

As a further improvement of the present invention, the first cable core includes a plurality of control wire cores, and each control wire core includes a first conductor and a first insulating layer covering the first conductor.

The first conductor is formed by twisting multiple strands of tinned soft round copper wires.

The second cable core includes a plurality of data cores uniformly arranged on the outside of the first wrapping layer; each data core includes two second conductors, and the outer surface of each second conductor is coated with a second insulation A third wrapping layer is wrapped around each data wire core, and a second filling layer is arranged between each data wire core and the third wrapping layer.

The two second conductors are computer line conductors and communication line conductors respectively; the computer line conductors and the communication line conductors are both single, or twisted from multiple strands of tinned soft round copper wires.

The second filling layer is a low-smoke, halogen-free, flame-retardant and rock-free rope filling layer.

The third wrapping layer is a biaxially stretched polypropylene film tape wrapping layer.

The first filling layer is a low-smoke, halogen-free, flame-retardant and rock-free rope filling layer.

The first wrapping layer is a low-smoke, halogen-free, flame-retardant double-sided coated non-alkali glass ribbon wrapping layer; the second wrapping layer is a biaxially stretched polypropylene film tape wrapping layer.

The outer sheath is extruded from a radiation-resistant low-smoke, halogen-free, flame-retardant thermosetting polyolefin sheath material.

Beneficial effects: Compared with the prior art, the utility model has the advantages of being able to transmit various data and control feedback signals, reducing laying difficulties, reducing occupied volume, saving costs, and improving efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further explained.

As shown in Figure 1, the utility model is a comprehensive data detection cable for 1E-class K3 nuclear power plants, which includes a first cable core, and the first cable core is coated with a first wrapping layer 1 and a second cable core in turn. , the second wrapping layer 2, the oxygen barrier flame retardant layer 3, the armor layer 4 and the outer sheath 5, a first filling layer 6 is provided between the first cable core and the first wrapping layer 1; wherein the first The cable core includes a plurality of control wire cores, each control wire core includes a first conductor 7 and a first insulating layer 8 covering the outside of the first conductor 7, the first conductor 7 is a control wire conductor, and its cross-sectional area is 1.5mm ² , it is twisted by a plurality of tinned soft round copper wires; the second cable core includes a plurality of data cores, and the multiple data cores are surrounded by the outside of the first wrapping layer 1 and are evenly arranged, each The data line core includes two second conductors 9, wherein the two second conductors 9 are computer line conductors and communication line conductors respectively, each computer line conductor is coated with a second insulating layer 10, and each communication line conductor is covered with a second insulating layer 10. Both are covered with the second insulating layer 10; the computer line conductor and the communication line conductor are both single, or twisted by multiple strands of tinned soft round copper wire; the cross-sectional area of the second conductor 9 is 0.5mm ² . Each data wire core is wrapped with a third wrapping layer 12 , and a second filling layer 11 is provided between each data wire core and the third wrapping layer 12 .

The structure of the first insulating layer 8 adopts a double-layer structure, wherein the material of the inner layer is radiation cross-linked polyethylene, and the material of the outer layer is low-smoke, halogen-free, flame-retardant radiation cross-linked polyolefin; the structure of the second insulating layer 10 adopts a single Layer structure, the material is high-density polyethylene; the first filling layer 6 and the second filling layer 11 are both low-smoke, halogen-free, flame-retardant and rock-free rope filling layers, the first filling layer 6 is filled by the control unit, and the second filling layer 11 For data unit filling; the first wrapping layer 1 is low-smoke, halogen-free, flame-retardant, double-sided coated alkali-free glass ribbon wrapping layer; the second wrapping layer 2 and the third wrapping layer 12 are biaxially oriented polypropylene The wrapping layer is wrapped with a film tape; the armor layer 4 is formed by wrapping double-layer galvanized steel strips with gaps; the outer sheath 5 is formed by extruding a radiation-resistant low-smoke, halogen-free, flame-retardant thermosetting polyolefin sheath material. Oxygen barrier and flame retardant layer 3 is made of extruded high flame retardant and oxygen barrier material. combustion effect.

The above are only preferred embodiments of the present utility model. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the principle of the utility model, and these should also be regarded as belonging to the protection scope of the utility model.

Claims (10)

1. a 1E grade K 3 genus nuclear power plant is used the data snooping composite cable; It is characterized in that; Comprise first cable core; Be coated with first lapping layer (1), second cable core, second lapping layer (2), oxygen barrier flame-retardant layer (3), armour (4) and oversheath (5) in the outside of first cable core successively, between first cable core and first lapping layer (1), be provided with first packed layer (6).

2. 1E grade K 3 genus nuclear power plant according to claim 1 is used the data snooping composite cable; It is characterized in that; Said first cable core comprises many control cores, controls first insulating barrier (8) that core comprises first conductor (7) and is coated on first conductor (7) outside for every.

3. 1E grade K 3 genus nuclear power plant according to claim 2 is used the data snooping composite cable, it is characterized in that, said first conductor (7) is by stranded the forming of the zinc-plated soft circular copper wire of multiply.

4. 1E grade K 3 genus nuclear power plant according to claim 1 is used the data snooping composite cable, it is characterized in that, said second cable core comprises the many single data core that evenly is enclosed in first lapping layer (1) outside; Every single data core comprises two second conductors (9); Be coated with second insulating barrier (10) in the outside of every second conductor (9); Be surrounded with the 3rd lapping layer (12) in the outside of every single data core, between every single data core and the 3rd lapping layer (12), be provided with second packed layer (11).

5. 1E grade K 3 genus nuclear power plant according to claim 4 is used the data snooping composite cable, it is characterized in that, two said second conductors (9) are respectively computer line conductor and order wire conductor; Computer line conductor and order wire conductor are single, perhaps by stranded the forming of the zinc-plated soft circular copper wire of multiply.

6. 1E grade K 3 genus nuclear power plant according to claim 4 is used the data snooping composite cable, it is characterized in that, said second packed layer (11) does not have rock rope packed layer for low-smoke non-halogen flame-retardant.

7. 1E grade K 3 genus nuclear power plant according to claim 4 is used the data snooping composite cable, it is characterized in that, said the 3rd lapping layer (12) is a bidirectional stretching polypropylene film band lapping layer.

8. 1E grade K 3 genus nuclear power plant according to claim 1 is used the data snooping composite cable, it is characterized in that, said first packed layer (6) does not have rock rope packed layer for low-smoke non-halogen flame-retardant.

9. 1E grade K 3 genus nuclear power plant according to claim 1 is used the data snooping composite cable, it is characterized in that, said first lapping layer (1) is a low-smoke non-halogen flame-retardant double-coated alkali-free glass silk ribbon lapping layer; Said second lapping layer (2) is a bidirectional stretching polypropylene film band lapping layer.

10. 1E grade K 3 genus nuclear power plant according to claim 1 is used the data snooping composite cable, it is characterized in that, said oversheath (5) forms for the low-smoke non-halogen flame-retardant of anti-irradiation thermosetting polyolefin jacket material extrudes.

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