CN208351984U - A kind of low-smoke non-halogen - Google Patents

Abstract

The utility model discloses a kind of low-smoke non-halogens, including protective case, belting layer and swinging plate, the inner wall of the protective case is fixedly connected with cable core, the inside of the belting layer offers arc groove, the inside of the arc groove is filled with oil absorbent material, the outer surface of the belting layer is bonded with functional layer by adhesive coating, the side of the arc groove is communicated with oil inlet pipe, the oil inlet pipe sequentially passes through belting layer far from one end of arc groove, adhesive coating and functional layer and the outside for extending to functional layer, the functional layer includes flame-retardant layer and flame retardant coating, the bottom of the flame-retardant layer is bonding by the top of adhesive coating and flame retardant coating, the utility model relates to power cable technical fields.The low-smoke non-halogen effectively protects cable, it can be achieved that improve the fire resistance of cable, enables cable normally using going down, provides safety guarantee for people's lives.

Description

A kind of low-smoke non-halogen

Technical field

The utility model relates to power cable technical field, specially a kind of low-smoke non-halogen.

Background technique

Fire-resisting cable refers to that the cable that certain time safe operation is able to maintain in flame combustion, fire-resisting cable are wide General skyscraper, underground railway, undergrond street, large-scale power station and important industrial and mining enterprises etc. of being applied to rescue with fire safety and fire-fighting Raw related place, such as fire-fighting equipment and promptly to the power supply line of the emergency services such as leading lights and control route.

With the development of society, skyscraper, underground railway, large-scale power station and important industrial and mining enterprises etc. and fire safety Requirement of the place related with fire-extinguishing and lifesaving to wire and cable is higher and higher, and existing power cable in an environment of high temperature, hinders It is poor to fire performance, is easy to happen fire, increases many security risks, influence our daily life.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of low-smoke non-halogen, solves Existing power cable poor flame retardant properties and the not high problem of fire resistance.

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of low-smoke non-halogen flame-retardant is resistance to Fiery power cable, including protective case, belting layer and swinging plate, the inner wall of the protective case are fixedly connected with cable core, the packet The inside of belt offers arc groove, and the inside of the arc groove is filled with oil absorbent material, and the outer surface of the belting layer passes through viscous Mixture coating is bonded with functional layer, and the side of the arc groove is communicated with oil inlet pipe, the one end of the oil inlet pipe far from arc groove It sequentially passes through belting layer, adhesive coating and functional layer and extends to the outside of functional layer.

Preferably, the functional layer includes flame-retardant layer and flame retardant coating, the bottom of the flame-retardant layer by adhesive coating with The top of flame retardant coating is bonding.

Preferably, the flame-retardant layer includes magnesium hydroxide layer and aluminum hydroxide layer, and the bottom of the magnesium hydroxide layer passes through The top of adhesive coating and aluminum hydroxide layer is bonding.

Preferably, the flame retardant coating includes alumina layer and cao layers, and the bottom of the alumina layer passes through adhesive Coating is bonding with cao layers.

Preferably, one end that the oil inlet pipe extends to outside functional layer offers through-hole, and the swinging plate is close to oil inlet The side of pipe is fixedly connected with connecting rod.

Preferably, the connecting rod is fixedly connected with baffle compatible with through-hole, the gear far from one end of swinging plate The two sides of plate are fixedly connected to piston.

Beneficial effect

The utility model provides a kind of low-smoke non-halogen.Have it is following the utility model has the advantages that

(1), the low-smoke non-halogen offers arc groove by the inside in belting layer, in arc The inside of slot is filled with oil absorbent material, functional layer is bonded with by adhesive coating in the outer surface of belting layer, the one of arc groove Side is communicated with oil inlet pipe, sequentially passes through belting layer, adhesive coating and functional layer far from one end of arc groove in oil inlet pipe and prolongs The outside for extending to functional layer is fixedly connected with baffle compatible with through-hole far from one end of swinging plate in connecting rod, in baffle Two sides be fixedly connected to piston, then being equipped with, it can be achieved that improving cable by alumina layer and cao layers Fire resistance effectively protects cable, enables cable normally using going down, provides safe guarantor for people's lives Barrier.

(2), low-smoke non-halogen, by including magnesium hydroxide layer and aluminium hydroxide in flame-retardant layer Layer, it is bonding, it can be achieved that preventing cable from existing by the top of adhesive coating and aluminum hydroxide layer in the bottom of magnesium hydroxide layer It burns in the environment of high temperature, flame retardant property is strong, creates good condition for the subsequent normal use of cable.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram of the utility model functional layer；

Fig. 3 is the structural schematic diagram of the utility model flame-retardant layer；

Fig. 4 is the structural schematic diagram of the utility model flame retardant coating；

Fig. 5 is the partial enlarged view in the utility model Fig. 1 at A.

In figure: 1 protective case, 2 belting layers, 3 swinging plates, 4 cables core, 5 arc grooves, 6 oil absorbent materials, 7 adhesive coatings, 8 function Ergosphere, 81 flame-retardant layers, 811 magnesium hydroxide layers, 812 aluminum hydroxide layers, 82 flame retardant coatings, 821 alumina layers, 822 cao layers, 9 Oil inlet pipe, 10 through-holes, 11 connecting rods, 12 baffles, 13 pistons.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of low-smoke non-halogen, Including protective case 1, belting layer 2 and swinging plate 3, the inner wall of protective case 1 is fixedly connected with cable core 4, and the inside of belting layer 2 opens up There is arc groove 5, the inside of arc groove 5 is filled with oil absorbent material 6, and oil absorbent material 6 has good oil absorption, when oil absorbent material 6 is by crowded When pressure, F R Oil, which will be leaked out, plays fire retardation to cable, and the outer surface of belting layer 2 is viscous by adhesive coating 7 Active ergosphere 8 is closed, functional layer 8 includes flame-retardant layer 81 and flame retardant coating 82, and the bottom of flame-retardant layer 81 passes through adhesive coating 7 and fire resisting The top of layer 82 is bonding, and flame-retardant layer 81 includes magnesium hydroxide layer 811 and aluminum hydroxide layer 812, the bottom of magnesium hydroxide layer 811 Bonding by adhesive coating 7 and the top of aluminum hydroxide layer 812, flame retardant coating 82 includes alumina layer 821 and cao layers 822, the bottom of alumina layer 821 is bonding by adhesive coating 7 and cao layers 822, the side of arc groove 5 be communicated with into Oil pipe 9, one end that oil inlet pipe 9 extends to outside functional layer 8 offer through-hole 10, and the setting of through-hole 10 facilitates the row of F R Oil It puts, brings many conveniences to staff, swinging plate 3 is fixedly connected with connecting rod 11, connecting rod close to the side of oil inlet pipe 9 11 one end far from swinging plate 3 are fixedly connected with baffle 12 compatible with through-hole 10, and the two sides of baffle 12 are fixedly connected to Piston 13, the setting of piston 13 effectively avoid the leakage of F R Oil, and the normal use for subsequent cable is laid a good foundation, into Oil pipe 9 sequentially passes through belting layer 2, adhesive coating 7 and functional layer 8 far from one end of arc groove 5 and extends to the outer of functional layer 8 Portion.

In use, F R Oil is transported in arc groove 5 by the through-hole 10 on oil inlet pipe 9, F R Oil can enter suction In oily cotton 6, when cable is squeezed power under high temperature environment, the F R Oil in oil absorbent material 6, which can leak out, plays cable Certain fire retardation, then by the magnesium hydroxide layer 811 and sodium hydroxide layer 812 and flame retardant coating 82 in flame-retardant layer 81 Being equipped with for alumina layer 821 and cao layers 822, increases the anti-flammability and fire resistance of cable core 4, this completes Entire work.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of low-smoke non-halogen, including protective case (1), belting layer (2) and swinging plate (3), feature Be: the inner wall of the protective case (1) is fixedly connected with cable core (4), and the inside of the belting layer (2) offers arc groove (5), the inside of the arc groove (5) is filled with oil absorbent material (6), and the outer surface of the belting layer (2) passes through adhesive coating (7) It is bonded with functional layer (8), the side of the arc groove (5) is communicated with oil inlet pipe (9), and the oil inlet pipe (9) is far from arc groove (5) One end sequentially pass through belting layer (2), adhesive coating (7) and functional layer (8) and the outside for extending to functional layer (8).

2. a kind of low-smoke non-halogen according to claim 1, it is characterised in that: the functional layer It (8) include flame-retardant layer (81) and flame retardant coating (82), the bottom of the flame-retardant layer (81) passes through adhesive coating (7) and flame retardant coating (82) top is bonding.

3. a kind of low-smoke non-halogen according to claim 2, it is characterised in that: the flame-retardant layer It (81) include magnesium hydroxide layer (811) and aluminum hydroxide layer (812), the bottom of the magnesium hydroxide layer (811) passes through adhesive Coating (7) and the top of aluminum hydroxide layer (812) are bonding.

4. a kind of low-smoke non-halogen according to claim 2, it is characterised in that: the flame retardant coating It (82) include alumina layer (821) and cao layers (822), the bottom of the alumina layer (821) passes through adhesive coating (7) It is bonding with cao layers (822).

5. a kind of low-smoke non-halogen according to claim 1, it is characterised in that: the oil inlet pipe (9) it extends to the external one end of functional layer (8) to offer through-hole (10), the swinging plate (3) is solid close to the side of oil inlet pipe (9) Surely connecting rod (11) are connected with.

6. a kind of low-smoke non-halogen according to claim 5, it is characterised in that: the connecting rod (11) far from swinging plate (3) one end be fixedly connected with through-hole (10) compatible baffle (12), the two of the baffle (12) Side is fixedly connected to piston (13).