CN214505084U

CN214505084U - Fireproof cable for electrical equipment

Info

Publication number: CN214505084U
Application number: CN202120503558.7U
Authority: CN
Inventors: 白松涛; 余扬
Original assignee: Kunshan Hanjiang Wire Co ltd
Current assignee: Kunshan Hanjiang Wire Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-26
Anticipated expiration: 2031-03-09

Abstract

The utility model relates to the technical field of cables, specifically be a fireproof cable for electrical equipment, establish at the outside protective layer of two sinle silks including two sinle silks and cover, the protective layer includes the transversal inner sheath of personally submitting the platykurtic, and the outside of inner sheath closely overlaps and is equipped with ceramic silastic-layer, and the internal perisporium on ceramic silastic-layer evenly has the aluminium silk of following protective layer length direction extension admittedly, and the outside on ceramic silastic-layer closely overlaps and is equipped with the fire prevention gum cover, and the outside of fire prevention gum cover closely overlaps and is equipped with high temperature resistant layer. The utility model discloses well ceramic silica gel layer, aluminium silk, fire prevention gum cover and resistant high temperature layer all have good fire behavior, in addition, also including the copper sheathing pipe that has fire behavior in the sinle silk, consequently, greatly improved the fire behavior and the security of traditional cable.

Description

Fireproof cable for electrical equipment

Technical Field

The utility model relates to the technical field of cables, specifically be a fireproof cable for electrical equipment.

Background

With the rapid development of economy and the continuous improvement of safety consciousness of people, nowadays, fireproof cables are widely applied in various fields such as rail transit, building electrical and industrial production. The fireproof cable is different from the traditional common cable, has stronger fireproof performance, and can be used for a longer time without being burnt out even under a high-temperature environment, thereby bringing sufficient reaction time for users. At present, in the field of electrical equipment, the fireproof performance of a fireproof cable still needs to be improved, and for the fireproof cable, how to ensure the stable and reliable degree of the fireproof performance is very important, and how to further improve the stable reliability and the fireproof capability of the fireproof cable has become the direction of the research of fireproof cable manufacturers, so we propose a fireproof cable for electrical equipment to well solve the above drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fireproof cable for electrical equipment for improve traditional cable's fire behavior, improve fireproof cable's reliable and stable nature promptly.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a fireproof cable for electrical equipment comprises two wire cores and a protective layer sleeved outside the two wire cores, wherein the protective layer comprises an inner sheath with a flat cross section, a ceramic silicon rubber layer is tightly sleeved outside the inner sheath, aluminum wires extending along the length direction of the protective layer are uniformly and fixedly embedded in the inner peripheral wall of the ceramic silicon rubber layer, a fireproof rubber sleeve is tightly sleeved outside the ceramic silicon rubber layer, and a high-temperature-resistant layer is tightly sleeved outside the fireproof rubber sleeve;

two the inside both sides of sheath including the mutual parallel arrangement of sinle silk, and every sinle silk all include many each other hank the conductor that winds and establish the glass fiber winding layer outside many conductors, every the outside of conductor all is overlapped and is equipped with insulating cover, the inside on glass fiber winding layer and the outside that is located insulating cover are provided with the obturator, and the outside on glass fiber winding layer closely overlaps and is equipped with the copper sheathing, the outside of copper sheathing closely overlaps and is equipped with insulating protective layer.

Preferably, the inner side of the inner sheath and the outer sides of the two wire cores are provided with insulating fillers, and the insulating fillers are made of silicon rubber.

Preferably, the inboard of inner sheath just is located and is provided with the resistance to compression body that extends along protective layer length direction between two sinle silks, the upper and lower end of resistance to compression body is the plane, and the resistance to compression body is the arc surface just to one side of sinle silk.

Preferably, the wire core further comprises a filling rope extending along the length direction of the wire core, and the filling rope is located between the plurality of conductors which are twisted with each other.

Compared with the prior art, the utility model provides a fireproof cable for electrical equipment possesses following beneficial effect:

1. the ceramic silicon rubber layer, the aluminum wire, the fireproof rubber sleeve and the high temperature resistant layer of the utility model have excellent fireproof performance, and in addition, the wire core also comprises a copper sleeve with fireproof performance, thus greatly improving the fireproof performance and the safety of the traditional cable;

2. the utility model discloses be provided with the resistance to compression body between two sinle silks, when the cable received external force extrusion, the conductor in the fine protection sinle silk of resistance to compression physical stamina did not receive the damage to the security performance of cable has been improved.

Drawings

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

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

In the figure: 101. an inner sheath; 102. a silicon rubber layer is ceramic; 103. aluminum wires; 104. a fireproof rubber sleeve; 105. a high temperature resistant layer; 106. an insulating filler; 107. a compression resistant body; 201. a conductor; 202. an insulating sleeve; 203. a glass fiber winding layer; 204. a filler; 205. a copper sleeve; 206. an insulating protective layer; 207. and (6) filling the ropes.

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.

Example (b): referring to fig. 1 and 2, a fireproof cable for electrical equipment includes two wire cores and a protective layer sleeved outside the two wire cores, the protective layer includes an inner sheath 101 with a flat cross section, the inner sheath 101 is made of PVC and has insulation properties, a ceramic silicone rubber layer 102 is tightly sleeved outside the inner sheath 101, the ceramic silicone rubber layer 102 is made of ceramic silicone rubber and has high temperature resistance, an aluminum wire 103 extending along the length direction of the protective layer is uniformly and fixedly embedded in the inner peripheral wall of the ceramic silicone rubber layer 102, the aluminum wire 103 is used for further enhancing the fireproof performance of the cable, a fireproof rubber sleeve 104 is tightly sleeved outside the ceramic silicone rubber layer 102, the fireproof rubber sleeve 104 is made of high-flame-retardant low-smoke halogen-free polyethylene, a high-temperature resistant layer 105 is tightly sleeved outside the fireproof rubber sleeve 104, and the high-temperature resistant layer 105 is made of flame-retardant polyethylene; an insulating filler 106 is arranged on the inner side of the inner sheath 101 and on the outer sides of the two wire cores, the insulating filler 106 is made of silicon rubber, and the insulating filler 106 is granular; the inboard of inner sheath 101 just is located and is provided with the resistance to compression body 107 that extends along protective layer length direction between two sinle silks, and the lower extreme is the plane about the resistance to compression body 107, and the resistance to compression body 107 is the arc surface just to one side of sinle silk, and the resistance to compression body 107 is the hard rubber material, avoids the cable to warp because of receiving external force extrusion.

Two wire cores are arranged on two sides of the inner portion of the inner sheath 101 in parallel, each wire core comprises a plurality of conductors 201 twisted and wound with each other and a glass fiber winding layer 203 sleeved outside the plurality of conductors 201, the glass fiber winding layer 203 is made of glass fiber and has high temperature resistance, an insulating sleeve 202 is sleeved outside each conductor 201, the insulating sleeve 202 is made of polyethylene, a filling body 204 is arranged inside the glass fiber winding layer 203 and outside the insulating sleeve 202, the insulating body 204 is made of silicon rubber particles and is used for enhancing the fireproof performance of the wire cores, a copper sleeve 205 is tightly sleeved outside the glass fiber winding layer 203, an insulating protective layer 206 is tightly sleeved outside the copper sleeve 205, and the insulating protective layer 206 is made of PVC; the sinle silk still includes a filling rope 207 that extends along sinle silk length direction, and filling rope 207 is located between the conductor 201 of many mutual transposition, and filling rope 207 is the rope made of hemp material, and many conductors 201 all around filling rope 207 transposition.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a fireproof cable for electrical equipment, includes that two sinle silks and cover establish the outside protective layer of two sinle silks, its characterized in that: the protective layer comprises an inner sheath (101) with a flat cross section, a ceramic silicon rubber layer (102) is tightly sleeved outside the inner sheath (101), aluminum wires (103) extending along the length direction of the protective layer are uniformly and fixedly embedded in the inner peripheral wall of the ceramic silicon rubber layer (102), a fireproof rubber sleeve (104) is tightly sleeved outside the ceramic silicon rubber layer (102), and a high-temperature-resistant layer (105) is tightly sleeved outside the fireproof rubber sleeve (104);

two the inside both sides of sheath (101) including the mutual parallel arrangement of sinle silk, and every sinle silk all include many conductor (201) that twist each other and establish glass fiber winding layer (203) outside many conductor (201), every the outside of conductor (201) all is equipped with insulating cover (202), the inside of glass fiber winding layer (203) and the outside that is located insulating cover (202) are provided with obturator (204), and the outside of glass fiber winding layer (203) closely overlaps and is equipped with copper sleeve (205), the outside of copper sleeve (205) closely overlaps and is equipped with insulating protective layer (206).

2. The fireproof cable for electric equipment according to claim 1, wherein: and an insulating filler (106) is arranged on the inner side of the inner sheath (101) and on the outer sides of the two wire cores, and the insulating filler (106) is made of a silicon rubber material.

3. The fireproof cable for electric equipment according to claim 1, wherein: the inboard of inner sheath (101) just is located and is provided with between two sinle silks and follows the resistance to compression body (107) that protective layer length direction extends, the lower extreme is the plane about resistance to compression body (107), and resistance to compression body (107) just is the arc surface to one side of sinle silk.

4. The fireproof cable for electric equipment according to claim 1, wherein: the cable core further comprises a filling rope (207) extending along the length direction of the cable core, and the filling rope (207) is located among the plurality of conductors (201) which are mutually stranded.