CN216647895U

CN216647895U - Cable with high safety performance and good flame-retardant and fireproof effects for electric automation engineering

Info

Publication number: CN216647895U
Application number: CN202122658272.9U
Authority: CN
Inventors: 金付星
Original assignee: Shanghai Yeshen Technology Co ltd
Current assignee: Shanghai Yeshen Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-31
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a cable with high safety performance and good flame-retardant and fireproof effects for electrical automation engineering, which comprises a cable core, a cable sheath and a filler, wherein the cable sheath is wrapped outside the cable core, and the filler is arranged between the cable core and the cable sheath; the cable core consists of a cable core body and a wrapping layer; the cable sheath is composed of an insulating layer, a high temperature resistant layer, a flame retardant layer and a wear-resistant layer. According to the utility model, through mutual matching of the cable core, the cable sheath and the filler, the cable with high safety performance and good flame-retardant and fireproof effects for electric automation engineering is realized, the cable has good fireproof and flame-retardant characteristics, short circuit caused by rapid combustion of the surface skin of the cable is avoided, larger safety accidents are effectively avoided, the flexibility and the wear resistance of the cable are increased, and the cable is prevented from being broken due to reciprocating bending or dragging in the using process, so that the service life of the cable is prolonged.

Description

Cable with high safety performance and good flame-retardant and fireproof effects for electric automation engineering

Technical Field

The utility model relates to the technical field of cables, in particular to a cable with high safety performance and good flame-retardant and fireproof effects for electric automation engineering.

Background

The cable is often used in the construction of the electrical automation engineering, the cable is usually a cable similar to a rope formed by twisting several or several groups of leads (at least two in each group), each group of leads is insulated from each other and is often twisted around a center, the whole cable is coated with a highly-insulated coating, the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cable comprises single-stranded or multi-stranded leads and an insulating layer and is used for connecting a circuit, an electric appliance and the like.

As in application No.: CN201621482051.3 relates to a data shielded cable of field usefulness bird pecking prevention. The utility model discloses a data shielding cable for preventing field bird pecking, which comprises a plurality of groups of cable core groups, a polyester film wrapping the plurality of groups of cable core groups, a metal shielding sleeve wrapping the polyester film, a common sheath wrapping the metal shielding sleeve, and a bird pecking preventing sheath made of hard materials wrapping the common sheath. Compared with the prior art, after the bird pecking prevention sheath is penetrated on the surface of the data shielding cable, the surface hardness of the cable is obviously improved, the pressure resistance is also enhanced, and common birds and small animals cannot bite or peck the cable.

However, the cable in the above technology has poor fireproof performance, and once the cable is subjected to discharge combustion in the use process, the generated high temperature can melt the cable sheath quickly and cause short circuit, thereby causing great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable with high safety performance and good flame-retardant and fireproof effects for electric automation engineering, aiming at the problems that the cable has poor fireproof performance in the prior art, once discharge combustion occurs in the use process, the generated high temperature can quickly melt the cable sheath and cause short circuit, and thus serious potential safety hazard is caused.

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

the utility model provides a cable that electric automatization engineering is with security performance height and fire-retardant fireproof effect is good, includes:

the cable comprises a cable core, a cable sheath and a filler, wherein the cable sheath is wrapped outside the cable core, and the filler is arranged between the cable core and the cable sheath;

the cable core is composed of a cable core body and a wrapping layer;

the cable sheath is composed of an insulating layer, a high-temperature-resistant layer, a flame-retardant layer and a wear-resistant layer, the insulating layer wraps the surface of the cable core, the high-temperature-resistant layer wraps the outer side of the insulating layer, the flame-retardant layer wraps the outer side of the high-temperature-resistant layer, and the wear-resistant layer wraps the outer side of the flame-retardant layer.

Preferably, the cable core body is formed by twisting a plurality of copper wires with small diameters.

Preferably, the wrapping layer is made of a metal wire woven mesh.

Preferably, the insulating layer is made of silicon rubber.

Preferably, the high temperature resistant layer is made of non-woven fabrics.

Preferably, the flame-retardant layer is made of mica tapes.

Preferably, the wear-resistant layer is made of a rubber nanocomposite material.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the mutual matching among the cable core, the cable sheath and the filler, the cable with high safety performance and good flame-retardant and fireproof effects for the electric automation engineering is realized, the cable has good fireproof and flame-retardant characteristics, the short circuit caused by the fact that the skin of the cable is quickly burnt is avoided, the occurrence of larger safety accidents is effectively avoided, the flexibility and the wear resistance of the cable are increased, the fracture caused by the fact that the cable is bent or dragged in a reciprocating mode in the using process is avoided, and the service life of the cable is prolonged.

2. According to the utility model, the cable core body is formed by twisting a plurality of copper wires with small diameters, so that the cross section of a single copper wire is reduced under the condition of the same cross section, the flexibility of the cable core can be greatly increased, and the fracture caused by reciprocating bending in the using process is effectively avoided.

3. According to the utility model, the arranged wrapping layer is made of the metal wire woven mesh, so that the tightness of wrapping the cable core is increased on the basis of electric conduction, and the cable core is prevented from loosening in the using process.

4. In the utility model, the arranged insulating layer is made of silicon rubber, and the silicon rubber has ultrahigh insulating property, so that the insulating property of the cable is improved.

5. According to the cable, the arranged high-temperature-resistant layer is made of the non-woven fabric, and the non-woven fabric has good flexibility and high-temperature resistance, so that the high-temperature resistance of the cable is improved.

6. According to the utility model, the flame-retardant layer is made of the mica tape, and the mica tape has good fire-resistant and insulating properties, and excellent high-temperature resistance and combustion resistance, so that short circuit caused by rapid combustion of the surface skin of the cable can be effectively prevented, and larger safety accidents are effectively avoided.

7. In the utility model, the arranged wear-resistant layer is made of the rubber nano composite material, and the rubber nano composite material has good elasticity, insulativity and wear resistance, so that the wear resistance of the cable in the using process is improved.

Drawings

FIG. 1 is a schematic structural diagram of a cable with high safety performance and good flame-retardant and fireproof effects for electrical automation engineering according to the present invention;

fig. 2 is a schematic structural view of a cable core in the cable with high safety performance and good flame-retardant and fireproof effects for the electrical automation engineering of the present invention;

fig. 3 is a schematic view of the enlarged structure of a portion a in fig. 1 according to the present invention.

In the figure: 1. a cable core; 2. a cable sheath; 3. a filler; 101. a cable core body; 102. a wrapping layer; 201. an insulating layer; 202. a high temperature resistant layer; 203. a flame retardant layer; 204. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, a cable with high safety performance and good flame-retardant and fireproof effects for electrical automation engineering comprises a cable core 1, a cable sheath 2 and a filler 3, wherein the cable sheath 2 is wrapped outside the cable core 1, and the filler 3 is arranged between the cable core 1 and the cable sheath 2;

the cable core 1 comprises a cable core body 101 and a wrapping layer 102;

wherein, cable sheath 2 comprises insulating layer 201, high temperature resistant layer 202, fire-retardant layer 203 and wearing layer 204, and insulating layer 201 wraps up on the surface of cable core 1, and high temperature resistant layer 202 wraps up in the outside of insulating layer 201, and fire-retardant layer 203 wraps up in the outside of high temperature resistant layer 202, and wearing layer 204 wraps up in the outside of fire-retardant layer 203.

By adopting the technical scheme, the fireproof flame-retardant cable has good fireproof flame-retardant property, avoids short circuit caused by quick combustion of the surface skin of the cable, effectively avoids larger safety accidents, increases the flexibility and the wear resistance of the cable, and avoids the cable from being broken due to reciprocating bending or dragging in the use process, thereby prolonging the service life of the cable.

As shown in fig. 1-3, the cable core body 101 is formed by twisting a plurality of copper wires with small diameters.

Through adopting above-mentioned technical scheme, under the circumstances of equal cross-section, reduced the cross-section of single copper wire, and then the flexibility of can greatly increased cable core to effectual fracture of buckling the cause in having avoided the use.

As shown in fig. 1-3, the wrapping layer 102 is made of woven wire mesh.

By adopting the technical scheme, on the basis of electric conduction, the tightness of wrapping the cable core is increased, and the cable core is prevented from being loose in the using process.

As shown in fig. 1-3, the insulating layer 201 is made of silicon rubber.

By adopting the technical scheme, the silicon rubber has ultrahigh insulating property, so that the insulating property of the cable is improved.

As shown in fig. 1-3, the refractory layer 202 is made of a non-woven fabric.

By adopting the technical scheme, the non-woven fabric has good flexibility and high temperature resistance, so that the high temperature resistance of the cable is improved.

As shown in fig. 1-3, the flame retardant layer 203 is made of mica tape.

Through adopting above-mentioned technical scheme, because the mica tape has good fire-resistant, insulating characteristic to and good high temperature resistance can and resistant combustion behavior, thereby can effectually prevent that the epidermis of cable from being burnt fast and the short circuit that causes, thereby the effectual emergence of having avoided bigger incident.

As shown in fig. 1-3, the wear layer 204 is made of a rubber nanocomposite.

By adopting the technical scheme, the rubber nano composite material has good elasticity, insulativity and wear resistance, so that the wear resistance of the cable in the using process is improved.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

The cable with high safety performance and good flame-retardant and fireproof effects for the electric automation engineering has good fireproof and flame-retardant characteristics by arranging the high-temperature-resistant layer 202 and the flame-retardant layer 203, avoids short circuit caused by rapid combustion of the surface of the cable, and effectively avoids larger safety accidents.

In summary, the following steps: the cable with high safety performance and good flame-retardant and fireproof effects for the electrical automation engineering is composed of a cable core 1, a cable sheath 2 and a filler 3, and solves the problems in the prior art.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric automatization engineering is with high and fire-retardant effectual cable of fire prevention of security performance which characterized in that includes:

the cable comprises a cable core (1), a cable sheath (2) and a filler (3), wherein the cable sheath (2) is wrapped outside the cable core (1), and the filler (3) is arranged between the cable core (1) and the cable sheath (2);

the cable core (1) is composed of a cable core body (101) and a wrapping layer (102);

the cable sheath (2) is composed of an insulating layer (201), a high-temperature-resistant layer (202), a flame-retardant layer (203) and a wear-resistant layer (204), the insulating layer (201) wraps the surface of the cable core (1), the high-temperature-resistant layer (202) wraps the outer side of the insulating layer (201), the flame-retardant layer (203) wraps the outer side of the high-temperature-resistant layer (202), and the wear-resistant layer (204) wraps the outer side of the flame-retardant layer (203).

2. The cable with high safety performance and good flame-retardant and fireproof effects for the electrical automation engineering according to claim 1, characterized in that: the cable core body (101) is formed by twisting a plurality of copper wires with small diameters.

3. The cable with high safety performance and good flame-retardant and fireproof effects for the electrical automation engineering according to claim 2, characterized in that: the wrapping layer (102) is made of metal wire woven meshes.

4. The cable of claim 3, which has high safety performance and good flame-retardant and fireproof effects and is used for electrical automation engineering, is characterized in that: the insulating layer (201) is made of silicon rubber.

5. The cable of claim 4, which has high safety performance and good flame-retardant and fireproof effects and is used for electric automation engineering, is characterized in that: the high temperature resistant layer (202) is made of non-woven fabrics.

6. The cable with high safety performance and good flame-retardant and fireproof effects for the electrical automation engineering according to claim 5, characterized in that: the flame-retardant layer (203) is made of mica tapes.

7. The cable with high safety performance and good flame-retardant and fireproof effects for the electrical automation engineering according to claim 6, characterized in that: the wear-resistant layer (204) is made of a rubber nano composite material.