CN211265096U

CN211265096U - Composite high-temperature-resistant power cable

Info

Publication number: CN211265096U
Application number: CN202020308637.8U
Authority: CN
Inventors: 王少甫; 宋洪凯
Original assignee: Jinlian Cable Co ltd
Current assignee: Jinlian Cable Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-08-14
Anticipated expiration: 2030-03-13

Abstract

The utility model belongs to the technical field of the power cable technique and specifically relates to a compound high temperature resistance power cable, which comprises a conductor, the surface of conductor all overlaps there is the insulating layer, insulating layer surface cladding has interior thermal insulation layer, it has the filling layer to fill between interior thermal insulation layer and the insulating layer, Y type groove has been seted up to interior thermal insulation layer, the fixed enhancement core that is equipped with of center department in Y type groove, the surface cladding of interior thermal insulation layer has fire-retardant layer, and extends to Y type inslot portion, and this compound high temperature resistance power cable compares current power cable's advantage in performance many, and effectual improvement high temperature resistance can effectually prevent that the cable is easily influenced fast ageing by high temperature to reinforcing power cable's life and security.

Description

Composite high-temperature-resistant power cable

Technical Field

The utility model relates to a power cable technical field especially relates to a compound high temperature resistance power cable.

Background

Electrical appliances become necessities in human life, a power cable is the most common carrier for power transmission, insulation aging can be accelerated by overhigh temperature when the power cable is operated under overload for a long time, so that the insulation is broken down, particularly in hot summer, the temperature rise is accelerated due to heat absorption of the power cable, and the breakdown and aging of the power cable are accelerated, so that the power cable has more faults in summer, the high-temperature-resistant power cable becomes an important research and development direction of the power cable industry, and therefore, the composite high-temperature-resistant power cable is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the ageing of too high temperature meeting acceleration insulation among the prior art to insulating to it is punctureed to send, especially in hot summer, and the power cable heat absorption leads to the temperature rise to accelerate, accelerates power cable to puncture and ageing, consequently in summer, power cable's trouble is also shortcoming many very much, and the composite high temperature resistance power cable who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the composite high-temperature-resistant power cable comprises a conductor, wherein insulating layers are sleeved on the outer surfaces of the conductor, inner insulating layers are wrapped on the outer surfaces of the insulating layers, filling layers are filled between the inner insulating layers and the insulating layers, Y-shaped grooves are formed in the inner insulating layers, reinforcing cores are fixedly arranged at the centers of the Y-shaped grooves, flame-retardant layers are wrapped on the outer surfaces of the inner insulating layers and extend to the insides of the Y-shaped grooves, compression-resistant layers are wrapped on the outer surfaces of the flame-retardant layers, fire-resistant layers are wrapped on the outer surfaces of the compression-resistant layers, outer insulating layers are wrapped on the outer surfaces of the fire-resistant layers, waterproof layers are wrapped on the outer surfaces of the outer insulating layers, and.

Preferably, the inner heat insulation layer is an asbestos mesh heat insulation layer, the outer heat insulation layer is a ceramic fiber heat insulation layer, and the inner side and the outer side of the inner heat insulation layer and the outer heat insulation layer are both coated with aluminum foil meshes.

Preferably, the outer sheath is a polyvinyl chloride plastic outer sheath, and the insulating layer is a styrene butadiene rubber insulating layer.

Preferably, fire-retardant layer is the fire-retardant layer of ceramic fire-retardant silica gel, and the anti-pressure layer is sponge anti-pressure layer, and sets up to the wave form, and a plurality of bleeder vents have been seted up to the anti-pressure layer surface, and the bleeder vent is circumference equidistance array.

The utility model provides a pair of compound high temperature resistance power cable, beneficial effect lies in: separate a plurality of conductors alone through Y type groove, the surface that makes every conductor all is provided with interior heat insulating layer alone, the filling layer, it is solitary to insulate against heat every conductor, surface through interior heat insulating layer all is equipped with fire-retardant layer with Y type inslot, can be comprehensive prevent the too high spontaneous combustion of conductor temperature, it insulates against heat to external factors through being equipped with outer heat insulating layer, strengthen high temperature resistance, this compound high temperature resistance power cable performance is many, effectual improvement high temperature resistance, the effectual cable that prevents is influenced fast ageing by high temperature, thereby strengthen power cable's life and security.

Drawings

Fig. 1 is the utility model provides a composite high temperature resistant power cable's schematic structure diagram.

In the figure: the cable comprises a conductor 1, an insulating layer 2, an inner heat insulation layer 3, a filling layer 4, a Y-shaped groove 5, a reinforced core 6, a flame retardant layer 7, a compression resistant layer 8, a fireproof layer 9, an outer heat insulation layer 10, a waterproof layer 11 and an outer sheath 12.

Detailed Description

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.

Referring to fig. 1, a compound high temperature resistance power cable, including conductor 1, the surface of conductor 1 all

overlaps insulating layer

2, 2 outer surface claddings of insulating layer have interior heat insulating layer 3, it has filling layer 4 to fill between interior heat insulating layer 3 and the insulating layer 2, Y type groove 5 has been seted up to interior heat insulating layer 3, the fixed enhancement core 6 that is equipped with in center department in Y type groove 5, the surface cladding of interior heat insulating layer 3 has fire-retardant layer 7, and extend to Y type groove 5 inside, the surface cladding of fire-retardant layer 7 has anti-pressure layer 8, the surface cladding of anti-pressure layer 8 has flame retardant coating 9, the surface cladding of flame retardant coating 9 has outer heat insulating layer 10, the surface cladding of outer heat insulating layer 10 has waterproof layer 11, the surface cladding of waterproof layer 11 has overs.

The inner heat insulation layer 3 is an asbestos mesh heat insulation layer, the outer heat insulation layer 10 is a ceramic fiber heat insulation layer, aluminum foil meshes are coated on the inner side and the outer side of the inner heat insulation layer 3 and the outer heat insulation layer 10, the service life of the inner heat insulation layer 3 and the outer heat insulation layer 10 is prolonged while the heat insulation effect is enhanced, the outer sheath 12 is a polyvinyl chloride plastic outer sheath, the insulation layer 2 is a styrene butadiene rubber insulation layer, the flame retardant layer 7 is a ceramic flame retardant silica gel flame retardant layer, the compression resistant layer 8 is a sponge compression resistant layer and is arranged in a wavy shape, a plurality of air holes are formed in the outer surface of the compression resistant layer 8, the air holes are arranged in a circumferential equidistant array, the heat dissipation performance is enhanced through the air holes, the plurality of conductors 1 are separately separated through the Y-shaped groove 5, the inner heat insulation layer 3 and the filling layer 4 are separately arranged on the outer surface of each conductor 1, the flame retardant layers 7 are respectively, the spontaneous combustion that prevents conductor 1 high temperature that can be comprehensive, through being equipped with outer insulating layer 10 to external factors thermal-insulated, strengthen high temperature resistance, this compound high temperature resistance power cable performance is many, effectual improvement high temperature resistance, and the effectual cable that prevents is influenced fast ageing by high temperature easily to reinforcing power cable's life and security.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The composite high-temperature-resistant power cable comprises a conductor (1) and is characterized in that an insulating layer (2) is sleeved on the outer surface of the conductor (1), an inner insulating layer (3) is wrapped on the outer surface of the insulating layer (2), a filling layer (4) is filled between the inner insulating layer (3) and the insulating layer (2), a Y-shaped groove (5) is formed in the inner insulating layer (3), a reinforcing core (6) is fixedly arranged at the center of the Y-shaped groove (5), a flame-retardant layer (7) is wrapped on the outer surface of the inner insulating layer (3) and extends into the Y-shaped groove (5), a compression-resistant layer (8) is wrapped on the outer surface of the flame-retardant layer (7), a fire-proof layer (9) is wrapped on the outer surface of the fire-proof layer (9), an outer insulating layer (10) is wrapped on the outer surface of the outer insulating layer (10), a waterproof layer (11) is wrapped, the outer surface of the waterproof layer (11) is coated with an outer sheath (12).

2. The composite high-temperature-resistant power cable according to claim 1, wherein the inner thermal insulation layer (3) is an asbestos mesh thermal insulation layer, the outer thermal insulation layer (10) is a ceramic fiber thermal insulation layer, and aluminum foil meshes are coated on the inner side and the outer side of the inner thermal insulation layer (3) and the outer thermal insulation layer (10).

3. A composite high temperature resistant power cable according to claim 1, wherein the outer sheath (12) is a polyvinyl chloride plastic outer sheath and the insulating layer (2) is a styrene butadiene rubber insulating layer.

4. The composite high-temperature-resistant power cable as claimed in claim 1, wherein the flame-retardant layer (7) is a ceramic flame-retardant silica gel flame-retardant layer, the pressure-resistant layer (8) is a sponge pressure-resistant layer and is arranged in a wave shape, a plurality of air holes are formed in the outer surface of the pressure-resistant layer (8), and the air holes are arranged in a circumferentially equidistant array.