CN209912578U

CN209912578U - Novel cold-resistant cable

Info

Publication number: CN209912578U
Application number: CN201920702362.3U
Authority: CN
Inventors: 王浩志
Original assignee: Guizhou Yudi Electrical Co Ltd
Current assignee: Guizhou Yudi Electrical Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-07
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a novel cold-resistant cable, including cable inner core and outer jacket, the outer jacket includes the surrounding layer, the inner wall fixedly connected with insulating layer of surrounding layer, the cold-proof layer of inside fixedly connected with of insulating layer, the inner wall fixedly connected with insulating layer of cold-proof layer, the cold-resistant layer of inner wall fixedly connected with of insulating layer, the inner wall fixedly connected with inner cladding of cold-resistant layer, the inner wall packing of inner cladding has the shielding layer, the cable inner core includes cable core and armor. The utility model discloses a cooperation of cable inner core, outer jacket, surrounding layer, insulating layer, cold-proof layer, inner cladding and shielding layer is used, can effectually avoid the damage that cold weather led to the fact the cable, when having guaranteed its cold resistance ability, has increased the heat resistance of this cable, has increased thermal-insulated ability, very big promotion the whole weatherability of this cable, increased the life of cable.

Description

Novel cold-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be novel cold-resistant cable.

Background

The electric wire and cable is used for transmitting electric energy, information and realizing the wire rod product of electromagnetic energy conversion, with the rapid development of economy, the electric wire and cable has been used extensively in each trade, field, the cable that the factory produced at present in China, generally is polyethylene or polyvinyl chloride insulation and fire-retardant polyvinyl chloride sheath or has carried on the temperature resistant, fire-proof design, this kind of cable is possible when using in the south of China, but in north winter of China because the weather is cold to use or while installing the insulation of cable and sheath often break up, lead to using, even explosion caused by spark that the break up produces in the use, that will cause the unestimable economic loss and casualties.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel cold-resistant cable possesses the good advantage of cold-resistant performance, has solved because the weather is severe cold the insulation of cable and sheath when using or installing often takes place to be cracked, and leads to unable using, because of the explosion that the spark that the splits produced arouses in the use even, that will cause unestimable economic loss and casualties's problem.

In order to achieve the above object, the utility model provides a following technical scheme: novel cold-resistant cable, including cable inner core and outer jacket, the outer jacket includes the surrounding layer, the inner wall fixedly connected with insulating layer of surrounding layer, the cold-proof layer of inside fixedly connected with of insulating layer, the inner wall fixedly connected with insulating layer on cold-proof layer, the cold-resistant layer of inner wall fixedly connected with of insulating layer, the inner wall fixedly connected with inner cladding on cold-resistant layer, the inner wall packing of inner cladding has the shielding layer.

Preferably, the cable inner core includes cable core and armor, the cable core adopts stranded tinned wire, constitutes the insulation core around the package polyester ether insulating layer on stranded tinned wire conductor, becomes the cable core by five insulation core transposition stranding, the armor is made five insulation core around the package by the mica tape.

Preferably, the outer cladding layer is made of a polyvinyl chloride thermoplastic elastomer sheath, and the heat insulation layer is a coating layer made of composite high-temperature-resistant insulating paint prepared from organic silicon resin, inorganic binder and inorganic filler.

Preferably, the heat-insulating layer is made of a high-thermal-conductivity polyurethane insulating material, and the insulating layer is a cross-linked polyethylene structure layer.

Preferably, the cold-resistant layer is made of cold-resistant inorganic mineral fiber yarn, the inner cladding is made of fiber insulation sheath, and a layer of fireproof emulsion is sprayed on the surface of the inner cladding.

Preferably, the shielding layer is formed by weaving soft tinned copper wires, and the interior of the shielding layer is filled with soft flame-retardant particles manufactured by a nano technology.

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

1. the utility model discloses a cooperation of cable inner core, outer jacket, surrounding layer, insulating layer, cold-proof layer, inner cladding and shielding layer is used, can effectually avoid the damage that cold weather led to the fact the cable, when having guaranteed its cold resistance ability, has increased the heat resistance of this cable, has increased thermal-insulated ability, very big promotion the whole weatherability of this cable, increased the life of cable.

2. The utility model discloses a set up cable core and armor, can make it still the retentivity in the environment of high temperature and cold weather, very big assurance its good cold-resistant heat resistance, through setting up the surrounding layer, can effectually improve the protective capacities of this cable, avoid receiving the damage of the inside cable core that external extrusion caused, through setting up the insulating layer, can increase the high temperature resistance of this cable, its wholeness can be improved, through setting up cold-resistant layer, can promote the cold-resistant ability of cable by a wide margin, the life of this cable has been guaranteed, through setting up the shielding layer, can make the shielding effect of this cable promote by a wide margin, and then guaranteed its physical mechanical ability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic diagram of the internal connection structure of the cable core of the present invention.

In the figure: 1 cable inner core, 101 cable core, 102 armor layer, 2 outer sheath, 201 outer sheath, 202 insulating layer, 203 warm-keeping layer, 204 insulating layer, 205 cold-resistant layer, 206 inner sheath, 207 shielding layer.

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. 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. 1-2, a novel cold-resistant cable comprises a cable inner core 1 and an outer sheath 2, the cable inner core 1 comprises a cable core 101 and an armor layer 102, the cable core 101 is made of a plurality of tinned copper wires, polyester ether insulation layers 204 are wound on the plurality of tinned copper wire conductors to form insulation wire cores, five insulation wire cores are twisted to form the cable core 101, the armor layer 102 is made of mica tapes to wind five insulation wire cores, the outer sheath 2 comprises an outer covering layer 201, a heat insulation layer 202 is fixedly connected to the inner wall of the outer covering layer 201, the outer covering layer 201 is made of a polyvinyl chloride thermoplastic elastomer sheath, the heat insulation layer 202 is a coating made of composite high temperature-resistant insulation paint prepared from organic silicon resin, inorganic binder and inorganic filler, a warm-keeping layer 203 is fixedly connected to the inside of the heat insulation layer 202, the insulation layer 204 is fixedly connected to the inner wall of the warm-keeping layer, the insulating layer 204 is a cross-linked polyethylene structure layer, the inner wall of the insulating layer 204 is fixedly connected with a cold-resistant layer 205, the inner wall of the cold-resistant layer 205 is fixedly connected with an inner cladding 206, the cold-resistant layer 205 is made of cold-resistant inorganic mineral fiber yarn, the inner cladding 206 is made of a fiber insulating sheath, the surface of the inner cladding is sprayed with a layer of fireproof emulsion, the inner wall of the inner cladding 206 is filled with a shielding layer 207, the shielding layer 207 is formed by weaving soft tinned copper wires, the interior of the shielding layer is filled with soft flame-retardant particles manufactured by adopting a nanotechnology, the cable core 101 and the armor layer 102 are arranged, the cable can still keep performance in the environment of high-temperature and cold weather, the excellent cold-resistant and heat-resistant properties of the cable are greatly guaranteed, the protective capability of the cable can be effectively improved by arranging the outer cladding 201, the damage of the inner cable core 101 caused, the whole performance is improved, through setting up cold-resistant layer 205, can promote the cold-resistant ability of cable by a wide margin, the life of this cable has been guaranteed, through setting up shielding layer 207, can make the shielding effect of this cable promote by a wide margin, and then its physical mechanical ability has been guaranteed, through cable inner core 1, outer jacket 2, surrounding layer 201, insulating layer 202, cold-proof layer 203, insulating layer 204, cold-resistant layer 205, the cooperation of inner cladding 206 and shielding layer 207 is used, can effectually avoid the damage that cold weather led to the fact the cable, when having guaranteed its cold resistance, the heat resistance of this cable has been increased, heat-proof ability has been increased, very big promotion the whole weatherability of this cable, the life of cable has been increased.

During the use, encapsulate through armor 102 and cable core 101, play the effect of the inside sinle silk of protection, through surrounding layer 201 and insulating layer 202, when can play thermal-insulated cold-resistant effect, improve the protective ability, through cold-proof layer 203, further improve the cold-resistant ability of this cable, through cold-resistant layer 205 and shielding layer 207, improve the whole weather resistance of this cable.

In summary, the following steps: this novel cold-resistant cable, through cable inner core 1, cable core 101, armor 102, outer jacket 2, surrounding layer 201, insulating layer 202, cold-proof layer 203, insulating layer 204, cold-resistant layer 205, inner cladding 206 and shielding layer 207's cooperation use, the insulation of cable and sheath when having solved because the weather severe cold uses or installs often takes place to split, and lead to out of use, the explosion that arouses because of the spark that the split produced even in the use, that will cause unestimable economic loss and the problem of casualties.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel cold-resistant cable, including cable inner core (1) and outer jacket (2), its characterized in that: the outer jacket (2) includes surrounding layer (201), the inner wall fixedly connected with insulating layer (202) of surrounding layer (201), the cold-proof layer of inside fixedly connected with (203) of insulating layer (202), the inner wall fixedly connected with insulating layer (204) of cold-proof layer (203), the cold-resistant layer of inner wall fixedly connected with (205) of insulating layer (204), the inner wall fixedly connected with inner cladding (206) of cold-resistant layer (205), the inner wall packing of inner cladding (206) has shielding layer (207).

2. The novel cold-resistant cable according to claim 1, characterized in that: cable inner core (1) includes cable core (101) and armor (102), cable core (101) adopt stranded tinned wire, constitute insulating core around package polyester ether insulating layer (204) on stranded tinned wire conductor, constitute cable core (101) by five insulating core transposition stranding, armor (102) are made five insulating core winding by the mica tape.

3. The novel cold-resistant cable according to claim 1, characterized in that: the outer wrapping layer (201) is made of a polyvinyl chloride thermoplastic elastomer sheath, and the heat insulation layer (202) is a coating made of composite high-temperature-resistant insulating paint prepared from organic silicon resin, inorganic binder and inorganic filler.

4. The novel cold-resistant cable according to claim 1, characterized in that: the heat-insulation layer (203) is made of a high-heat-conductivity polyurethane insulating material, and the insulating layer (204) is a cross-linked polyethylene structure layer.

5. The novel cold-resistant cable according to claim 1, characterized in that: the cold-resistant layer (205) is made of cold-resistant inorganic mineral fiber yarn, the inner cladding (206) is made of fiber insulation sheath, and a layer of fireproof emulsion is sprayed on the surface of the inner cladding.

6. The novel cold-resistant cable according to claim 1, characterized in that: the shielding layer (207) is formed by weaving soft tinned copper wires, and the interior of the shielding layer is filled with soft flame-retardant particles manufactured by a nano technology.