CN216528170U

CN216528170U - Fireproof cable based on fire control is with location of being convenient for

Info

Publication number: CN216528170U
Application number: CN202123237075.6U
Authority: CN
Inventors: 戴琪; 杨杰; 杨军华
Original assignee: Jiangsu Xinfeng Cable Co ltd
Current assignee: Jiangsu Xinfeng Cable Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-13
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of power cables, and discloses a fire-fighting-based fireproof cable convenient to position and used for fire fighting, which comprises a cable body, wherein a plurality of labels are fixedly arranged on the surface of the cable body, an indication arrow is arranged on the surface of each label, the cable body comprises a cable outer layer, a flame-retardant packing layer and a cable inner core, and the cable outer layer is arranged on the outer side of the flame-retardant packing layer; the fire-fighting cable has the function of flame-retardant protection on the inner side, and meanwhile, the fire can be extinguished by using the flame-retardant filler and the gravel, and the indicator is arranged on the surface of the cable, so that an inspector can position the trend of the cable, and each cable can be distinguished conveniently, thereby bringing convenience to fire-fighting inspection work, and solving the problem that the dense cables are complicated in trend and inconvenient for the inspector to distinguish each cable when the cable is subjected to fire-fighting inspection at present, and further bringing inconvenience to inspection operation.

Description

Fireproof cable based on fire control is with location of being convenient for

Technical Field

The utility model relates to the technical field of power cables, in particular to a fireproof cable convenient to position and based on fire protection.

Background

The cable is an auxiliary tool for power transmission, and the cable is generally composed of an outer multi-layer auxiliary material and an inner cable core. In high-rise and super high-rise buildings, large entertainment places, large industrial and mining places, enterprises, underground engineering and other places, a large number of dense cables are often laid, and the cables are possibly short-circuited due to cable core aging when in use, so that the cables catch fire, a fire disaster is caused, once the fire disaster occurs, the fire can be delayed along the cables and spread to other departments and floors, and therefore the fire prevention technology of the cables is more and more concerned by people and becomes an important development direction of the cable industry.

At present, the cable not only needs to have the fireproof characteristic, but also needs to be subjected to fire fighting inspection regularly, and the aging degree and the trend of the cable can be inspected to play a role in preventing and treating fire. Present traditional cable only leans on the fire resistive material in the outside to prevent the conflagration, in case the phenomenon of burning appears in inside because of high temperature, spreads to the outside very easily to cause the conflagration, when carrying out fire control inspection to the cable moreover, intensive cable conductor trend is comparatively complicated, and inconvenient inspection personnel distinguish every cable conductor, thereby has brought the inconvenience for the inspection operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fireproof cable line which is convenient to position and used for fire fighting, has a flame-retardant protection function on the inner side, can extinguish fire by using flame-retardant filler and gravel, and can be used for positioning the trend of the cable line by an inspector by arranging an indicator on the surface of the cable line.

In order to achieve the purpose, the utility model provides the following technical scheme: fireproof cable line based on fire control is with being convenient for location, including the cable conductor body, the fixed surface of cable conductor body is provided with a plurality of label, the surface of label is provided with the instruction arrow point, the cable conductor body includes cable skin, fire-retardant packing layer and cable inner core, the outer outside that sets up at fire-retardant packing layer of cable, the inside packing of fire-retardant packing layer is provided with the fire prevention gravel, the cable skin includes fire prevention dope layer, polyvinyl chloride layer and fire retardant layer, the spraying of fire prevention dope layer is in the outside on polyvinyl chloride layer, the setting of fire retardant layer is in the inboard on polyvinyl chloride layer.

Preferably, an insulating filling layer is arranged between the flame-retardant filler layer and the cable inner core, and the insulating filling layer is made of insulating rubber.

Preferably, the thickness of the flame-retardant filler layer is 2-6mm, and the flame-retardant filler layer is made of magnesium oxide flame-retardant filler.

Preferably, the thickness of the flame retardant layer is smaller than that of the polyvinyl chloride layer, and the flame retardant layer is made of a zinc borate environment-friendly flame retardant.

Preferably, the thickness of the fireproof coating layer is 20-200nm, and the fireproof coating layer is made of the special water-based fireproof coating for the cable.

Preferably, the indication arrows are formed by spraying fluorescent paint on the surface of the label, and the number of the indication arrows on the surface of the single label is one or more than one.

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

the fire-fighting cable has the function of flame-retardant protection on the inner side, and meanwhile, the fire can be extinguished by using the flame-retardant filler and the gravel, and the indicator is arranged on the surface of the cable, so that an inspector can position the trend of the cable, and each cable can be distinguished conveniently, thereby bringing convenience to fire-fighting inspection work, and solving the problem that the dense cables are complicated in trend and inconvenient for the inspector to distinguish each cable when the cable is subjected to fire-fighting inspection at present, and further bringing inconvenience to inspection operation.

Drawings

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

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of a flame retardant filler layer according to the present invention;

FIG. 4 is a schematic structural view of the outer layer of the cable of the present invention;

fig. 5 is a schematic diagram of different numbers of indicated arrows.

In the figure: 1. a cable body; 101. an outer layer of the cable; 1011. a fire retardant coating layer; 1012. a polyvinyl chloride layer; 1013. a flame retardant layer; 102. a flame-retardant filler layer; 103. an inner core of the cable; 2. a label; 3. an arrow is indicated; 4. fire-proof gravel; 5. and an insulating filling 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.

Referring to fig. 1-5, a fire-fighting-based easy-to-position fireproof cable comprises a cable body 1, a plurality of labels 2 are fixedly arranged on the surface of the cable body 1, an indication arrow 3 is arranged on the surface of each label 2, the cable body 1 comprises an outer cable layer 101, a flame-retardant packing layer 102 and an inner cable core 103, the outer cable layer 101 is arranged on the outer side of the flame-retardant packing layer 102, fire-retardant gravels 4 are filled in the flame-retardant packing layer 102, the outer cable layer 101 comprises a fire-retardant coating layer 1011, a polyvinyl chloride layer 1012 and a flame-retardant layer 1013, the fire-retardant coating layer 1011 is sprayed on the outer side of the polyvinyl chloride layer 1012, the flame-retardant layer 1013 is arranged on the inner side of the polyvinyl chloride layer 1012, the cable has a flame-retardant protection function on the inner side, and can extinguish fire by using the flame-retardant filling and the gravels, and indicators are arranged on the surface of the cable so that an inspector can position the trend of the cable, thereby conveniently distinguish each cable conductor, brought the facility for fire control inspection work, solved at present when carrying out fire control inspection to the cable, intensive cable conductor moves towards comparatively complicacy, and inconvenient inspection personnel distinguishes each cable conductor to inconvenient problem has been brought for the inspection operation.

An insulating filling layer 5 is arranged between the flame-retardant filler layer 102 and the cable inner core 103, the insulating filling layer 5 is made of insulating rubber, and in the embodiment, the insulating filling layer 5 plays a role in insulation protection and avoids mutual interference of different cable inner cores 103.

The thickness of fire-retardant packing layer 102 is 2-6mm, and the material of fire-retardant packing layer 102 is the fire-retardant filler of magnesium oxide, and in this embodiment, the fire-retardant filler of magnesium oxide relies on when being heated the chemical decomposition heat absorption and release water and play fire-retardant effect, through designing the material of fire-retardant packing layer 102 to be the fire-retardant filler of magnesium oxide, when it makes this cable conductor appear burning phenomenon in the inboard, the fire behavior can be put out immediately to the magnesium oxide that decomposes.

The thickness of the flame retardant layer 1013 is less than that of the polyvinyl chloride layer 1012, and the flame retardant layer 1013 is made of the zinc borate environment-friendly flame retardant.

The thickness of the fireproof coating layer 1011 is 20-200nm, and the material of the fireproof coating layer 1011 is a special water-based fireproof coating for cables.

The indication arrows 3 are formed by spraying fluorescent paint on the surface of the label 2, and the number of the indication arrows 3 on the surface of a single label 2 is one or more than one, in the embodiment, different numbers of the indication arrows 3 are marked on different cables, so that each cable line is conveniently positioned and distinguished.

The working principle is as follows: when carrying out fire control inspection work, through observing instruction arrow 3 on each cable conductor, the last quantity of instruction arrow 3 of different cable conductors is inequality, for example the quantity of instructing arrow 3 on the A cable conductor is two, look for according to the label 2 that the quantity of instructing arrow 3 is two, alright know the trend of A cable conductor, for example the quantity of instructing arrow 3 of B cable conductor is three, it is the B cable conductor to look for the cable conductor of three instruction arrow 3, thereby distinguish A cable conductor and B cable conductor, make things convenient for the staff to fix a position the overall arrangement and the trend of different cable conductors, bring convenience for fire control inspection work; when the phenomenon of local combustion appears in the cable, the flame-retardant packing layer 102 is a flame-retardant magnesium oxide packing, and is decomposed into water after being heated to extinguish the fire, and meanwhile, the fire-proof gravel 4 can also effectively extinguish the fire, so that the aim of fire prevention is fulfilled.

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

Claims

1. Fireproof cable line based on fire control is with being convenient for location, including cable conductor body (1), its characterized in that: the fixed surface of cable conductor body (1) is provided with a plurality of label (2), the surface of label (2) is provided with instruction arrow point (3), cable conductor body (1) includes cable outer (101), fire-retardant packing layer (102) and cable inner core (103), cable outer (101) set up in the outside of fire-retardant packing layer (102), the inside packing of fire-retardant packing layer (102) is provided with fire prevention gravel (4), cable outer (101) are including fire prevention coating layer (1011), polyvinyl chloride layer (1012) and flame retardant layer (1013), the outside on polyvinyl chloride layer (1012) is sprayed in fire prevention coating layer (1011), flame retardant layer (1013) sets up the inboard on polyvinyl chloride layer (1012).

2. The fire protection based fireproof cable line convenient to position for fire protection of claim 1, wherein: an insulating filling layer (5) is arranged between the flame-retardant filler layer (102) and the cable inner core (103), and the insulating filling layer (5) is made of insulating rubber.

3. The fire protection based fireproof cable line convenient to position for fire protection of claim 1, wherein: the thickness of the flame-retardant filler layer (102) is 2-6mm, and the flame-retardant filler layer (102) is made of magnesium oxide flame-retardant filler.

4. The fire protection based fireproof cable line convenient to position for fire protection of claim 1, wherein: the thickness of the flame retardant layer (1013) is smaller than that of the polyvinyl chloride layer (1012), and the flame retardant layer (1013) is made of zinc borate environment-friendly flame retardant.

5. The fire protection based fireproof cable line convenient to position for fire protection of claim 1, wherein: the thickness of the fireproof coating layer (1011) is 20-200nm, and the fireproof coating layer (1011) is made of the special water-based fireproof coating for the cable.

6. The fire protection based fireproof cable line convenient to position for fire protection of claim 1, wherein: the indicating arrows (3) are formed by spraying fluorescent paint on the surface of the label (2), and the number of the indicating arrows (3) on the surface of a single label (2) is one or more.