CN209571264U - A kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power - Google Patents

Abstract

The utility model discloses a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power, it is related to lead technology field, including conductor, the conductor outside surfaces are coated with paint film insulating layer, the outside of the paint film insulating layer is arranged with glass fiber, for the glass fiber along the uniform winding of length direction of conductor, the outside of the glass fiber is arranged with two layers of aramid fiber insulating layer, length direction uniform winding of the aramid fiber insulating layer along conductor；The utility model can effectively protect paint film insulating layer, the wear resistance and shock resistance short-circuit capability of conducting wire is improved, to improve the stability of conducting wire.

Description

A kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power

Technical field

The utility model relates to lead technology fields, more particularly to a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power.

Background technique

Energy crisis is worldwide problem, and with the rapid development of our country's economy, the energy also has in the national economic development There is especially important strategic position.Energy supply and demand contradiction in China's is sharp at present, unreasonable structure；Efficiency of energy utilization is low；Once Property energy supply based on coal, fossil can it is a large amount of consume cause serious environmental pollution.It should meet and maintain sustained and rapid growth Energy demand, while again keep the energy clean and effective utilize, this become energy science and technology development significant challenge.In country In medium & long term sci-tech development program, the propulsion of Construction of Nuclear Electricity and nuclear power core technology all has become important process content.With The progress of Construction of Nuclear Electricity also produces the wilderness demand to high reliability nuclear power conducting wire.

Nuclear power is mainly used in reactor building, nuclear auxiliary building, steam turbine workshop with conducting wire, it is desirable that conducting wire has can Service life, thermal stability, moisture resistance, chemical stability and the radiation resistance leaned on.For the high reliability for guaranteeing system design, keep away Exempting from equipment damage leads to serious commercial consequence, generallys use duplicate multichannel separate lines system and device.1E grades, refer to that completion is anti- It answers heap emergency shut-down, containment isolation, the cooling of reactor core emergency, reactor waste export, reactor containment vessel thermal conductivity to go out, prevents from putting Penetrating property substance to ambient enviroment discharge etc. functions electrical system equipment safety level.Nowadays China's construction of nuclear power station has entered It is three generations's construction of nuclear power station stage, higher and higher to the security requirement of nuclear power conducting wire, to being led under nuclear power station poor working conditions Resistance to shorting performance, the high voltage performance of line are proposed requirements at the higher level.

Utility model content

The shortcomings that technical problem to be solved in the utility model is, overcomes the prior art provides a kind of nuclear power 1E grades Resistance to shorting high-voltage resistant lead.

In order to solve the above technical problems, the technical solution of the utility model is as follows:

A kind of nuclear power 1E grades of resistance to shorting high-voltage resistant leads, including conductor, the conductor outside surfaces are coated with paint film insulation Layer, the outside of the paint film insulating layer is arranged with glass fiber, length direction uniform winding of the glass fiber along conductor, the glass The outside of glass silk is arranged with two layers of aramid fiber insulating layer, the aramid fiber insulating layer along conductor length direction uniformly around If.

Further, the angle between the lapping direction of glass fiber and conductor length direction is 45 °.

A kind of preceding 1E grades of resistance to shorting high-voltage resistant leads of nuclear power, on any one side surface of conductor, adjacent glass Gap between silk is 5mm.

A kind of preceding 1E grades of resistance to shorting high-voltage resistant leads of nuclear power, aramid fiber insulating layer includes outer layer aramid fiber Layer and internal layer aramid fiber layer, internal layer aramid fiber layer are wound around the outside of glass fiber, and outer layer aramid fiber layer is wound around internal layer Between the lapping direction and conductor length direction of the outside of aramid fiber layer, outer layer aramid fiber layer and internal layer aramid fiber layer Angle is 45 °.

A kind of preceding 1E grade resistance to shorting high-voltage resistant leads of nuclear power, any one section internal layer aramid fiber layer with it is adjacent Overlapping area between outer layer aramid fiber layer is the 50% of section internal layer aramid fiber level product.

A kind of preceding 1E grades of resistance to shorting high-voltage resistant leads of nuclear power, coat between glass fiber and internal layer aramid fiber layer There is a layer self-adhered adhesive, a layer self-adhered adhesive is coated between internal layer aramid fiber layer and outer layer aramid fiber layer.

A kind of preceding 1E grades of resistance to shorting high-voltage resistant leads of nuclear power, paint film insulating layer are polyimides paint layer.

A kind of preceding 1E grades of resistance to shorting high-voltage resistant leads of nuclear power, paint film insulating layer with a thickness of 0.09mm- 0.11mm。

The beneficial effects of the utility model are:

(1) the utility model is arranged with glass fiber in the outside of paint film insulating layer, can effectively protect paint film insulating layer, improves The wear resistance and shock resistance short-circuit capability of conducting wire, to improve the stability of conducting wire；

(2) glass fiber along the uniform winding of conductor, and in glass fiber is externally coated with self-adhesive in the utility model, and colloid is logical It crosses the gap between glass fiber to be moved between paint film insulating layer and glass fiber, increase between glass fiber and paint film insulating layer Connective stability, and self-adhesive and glass fiber form a more smooth layer structure, to improve glass fiber and aramid fiber fibre Tie up the planarization of the connective stability and conducting wire entirety between insulating layer；

(3) the utility model is arranged with aramid fiber insulating layer outside glass fiber, not only with the intensity of superelevation, effectively mentions The high shock resistance of conducting wire, and have good acid-proof alkaline, light and good insulating can be effectively to internal Conductor and paint film insulating layer etc. are protected, and the safety in conducting wire use process is substantially increased, and extend the use of conducting wire Service life；

(4) aramid fiber insulating layer includes internal layer aramid fiber layer and outer layer aramid fiber layer in the utility model, and interior Interlayer between outer layer aramid fiber layer is laminated in 50%, can coat completely inner conductor, and wrapped stability is good, it is wrapped more It is smooth；It is adhered between ectonexine aramid fiber layer by self-adhesive, further improves wrapped connective stability.

Detailed description of the invention

Fig. 1 is the side sectional view of the utility model；

Fig. 2 is the wrapped schematic diagram of glass fiber；

Fig. 3 is the wrapped schematic diagram of aramid fiber insulating layer；

Fig. 4 is the cross-sectional view of aramid fiber insulating layer；

Wherein: 1, conductor；2, paint film insulating layer；3, glass fiber；4, outer layer aramid fiber layer；5, internal layer aramid fiber layer.

Specific embodiment

To make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached Figure, makes further details of explanation to the utility model.

A kind of nuclear power 1E grades of resistance to shorting high-voltage resistant leads, including conductor 1 are present embodiments provided, in 1 outer surface of conductor Be coated with coast of paint film insulating layer 2, the paint film insulating layer 2 be polyimides paint layer, the paint film insulating layer 2 with a thickness of 0.09mm-0.11mm。

The outside of paint film insulating layer 2 is arranged with glass fiber 3.Glass fiber 3 along conductor 1 the uniform winding of length direction, referring to The angle between 1 length direction of set direction and conductor of Fig. 2, glass fiber 3 are 45 °, on 1 upper surface of conductor, adjacent glass Spacing between silk 3 is 5mm.After the completion of glass fiber 3 is wrapped, a layer self-adhered adhesive is coated on the surface of glass fiber 3, self-adhesive is by glass Gap between glass silk 3 moves to the junction of glass fiber 3 Yu paint film insulating layer 2, stablizes glass fiber 3 and paint film insulating layer 2 and connects It connects, meanwhile, gap location of the self-adhesive between glass fiber 3 can be accumulated, and keep self-adhesive and the formation of glass fiber 3 one more smooth Layer structure.

Uniformly around one layer of internal layer aramid fiber layer 5 is equipped with outside the glass fiber 3 of coated self-adhesive, the internal layer aramid fiber is fine The angle tieed up between the lapping direction of layer 5 and the length direction of conductor 1 is 45 °, and referring to Fig. 3,5 winding of internal layer aramid fiber layer is good Later, a layer self-adhered adhesive, the then uniform winding outside internal layer aramid fiber layer 5 are coated in the outer surface of internal layer aramid fiber layer 5 One layer of outer layer aramid fiber layer 4, the angle between the lapping direction of outer layer aramid fiber layer 4 and the length direction of conductor 1 are also 45 °, and when winding, any one section internal layer aramid fiber layer 5 is overlapping with the section outer layer aramid fiber layer 4 that its top is in contact Area is the 50 of 5 area of section internal layer aramid fiber layer, referring to fig. 4.

In addition, the cross section of the conductor 1 of 1E grades of resistance to shorting high-voltage resistant leads of the nuclear power is round rectangle, circle, triangle Shape etc., 1 surface of conductor is smooth, cleans, and paint film insulating layer 2 is without paint tumor, burr etc..

In addition to the implementation, the utility model can also have other embodiments；It is all to use equivalent replacement or equivalent change The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.

Claims (8)

1. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power, including conductor (1), it is characterised in that: conductor (1) outer surface It is coated with paint film insulating layer (2), the outside of the paint film insulating layer (2) is arranged with glass fiber (3), and glass fiber (3) edge is led The outside of the uniform winding of length direction of body (1), the glass fiber (3) is arranged with two layers of aramid fiber insulating layer, the aramid fiber Length direction uniform winding of the fibrous covering along conductor (1).

2. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power according to claim 1, it is characterised in that: the glass fiber (3) the angle between lapping direction and conductor (1) length direction is 45 °.

3. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power according to claim 1, it is characterised in that: the conductor (1) on any one side surface, the gap between adjacent glass fiber (3) is 5mm.

4. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power according to claim 1, it is characterised in that: the aramid fiber is fine Tieing up insulating layer includes outer layer aramid fiber layer (4) and internal layer aramid fiber layer (5), and the internal layer aramid fiber layer (5) is wound around The outside of glass fiber (3), the outer layer aramid fiber layer (4) are wound around the outside of internal layer aramid fiber layer (5), the outer layer virtue Angle between synthetic fibre fibrous layer (4) and the lapping direction and conductor (1) length direction of internal layer aramid fiber layer (5) is 45 °.

5. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power according to claim 4, it is characterised in that: any one section institute Stating the overlapping area between internal layer aramid fiber layer (5) and adjacent outer layer aramid fiber layer (4) is the section internal layer aramid fiber The 50% of layer (5) area.

6. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power according to claim 4, it is characterised in that: the glass fiber (3) layer self-adhered adhesive is coated between internal layer aramid fiber layer (5), the internal layer aramid fiber layer (5) and outer layer aramid fiber are fine It ties up and is coated with a layer self-adhered adhesive between layer (4).

7. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power according to claim 1, it is characterised in that: the paint film is exhausted Edge layer (2) is polyimides paint layer.

8. a kind of 1E grades of resistance to shorting high-voltage resistant leads of nuclear power according to claim 1, it is characterised in that: the paint film is exhausted Edge layer (2) with a thickness of 0.09mm-0.11mm.