CN209249165U - Wire and cable - Google Patents

Abstract

This application involves a kind of wire and cables, including cable core, and it is sequentially sleeved at the first wrapping layer, insulating layer, the second wrapping layer, shielded layer, third wrapping layer and restrictive coating outside cable core, and the first wrapping layer, insulating layer, the second wrapping layer, shielded layer, third wrapping layer and restrictive coating are sequentially stacked cooperation；First wrapping layer is high-temperature polyester belt；Insulating layer is Ceramic silicon rubber layer；Second wrapping layer is ceramic composite tape layers；Third wrapping layer is ceramic composite tape layers；Restrictive coating is flame-proof silicon rubber layer, therefore, using the first wrapping layer formed by high-temperature polyester band, the insulating layer formed by Ceramic silicon rubber, the second wrapping layer formed by ceramic composite band, the third wrapping layer formed by ceramic composite band and the insulating layer formed by flame-proof silicon rubber, so that the application has extremely strong heat resistance, and have very strong flame retardant property, can be avoided because cable from however caused by fire.

Description

Wire and cable

Technical field

This application involves transmission cable technical fields, more particularly to a kind of wire and cable.

Background technique

Wire and cable is used for transmission electric (magnetic) energy, information and the wire product for realizing electromagnetic energy conversion.Currently, wire and cable The most frequently used industry is crosslinked polyethylene series cable and polyvinyl chloride series cable.Wire and cable securely and reliably directly affects phase Close the safety and stability of equipment, it is also possible to be related to the life safety of equipment user of service.When wire and cable is in very severe ring Border (for example, hot environment) is in use, with greater need for the ability for considering that raising wire and cable resists adverse circumstances, for example, improving electricity The ability resistant to high temperature of line cable.But during realization, inventor has found that at least there are the following problems in traditional technology: The heat resistance of traditional crosslinked polyethylene series cable and polyvinyl chloride series cable is not strong, easily because high temperature causes fire.

Utility model content

Based on this, it is necessary to not for the heat resistance of traditional crosslinked polyethylene series cable and polyvinyl chloride series cable By force, the problem of easily causing fire because of high temperature provides a kind of wire and cable.

To achieve the goals above, on the one hand, the embodiment of the present application provides a kind of wire and cable, including cable core, and The first wrapping layer, insulating layer, the second wrapping layer, shielded layer, third wrapping layer and the restrictive coating being sequentially sleeved at outside cable core, and First wrapping layer, insulating layer, the second wrapping layer, shielded layer, third wrapping layer and restrictive coating are sequentially stacked cooperation；

First wrapping layer is high-temperature polyester belt；Insulating layer is Ceramic silicon rubber layer；Second wrapping layer is multiple for ceramic Crossed belt layer；Third wrapping layer is ceramic composite tape layers；Restrictive coating is flame-proof silicon rubber layer.

The first wrapping layer is the wrapped high-temperature polyester belt of double-layer overlapping in one of the embodiments,.

Insulating layer is the Ceramic silicon rubber layer extruded in one of the embodiments,.

The second wrapping layer is the wrapped ceramic composite tape layers of double-layer overlapping in one of the embodiments,.

Third wrapping layer is the wrapped ceramic composite tape layers of double-layer overlapping in one of the embodiments,.

Restrictive coating is the flame-proof silicon rubber layer extruded in one of the embodiments,.

Cable core is annealing tin annealed copper wire cable core in one of the embodiments,.

Cable core is the annealing tin annealed copper wire cable core being twisted by 1+16+12+18 in one of the embodiments,.

Shielded layer is annealing tin annealed copper wire shielded layer in one of the embodiments,.

Shielded layer is the annealing tin annealed copper wire for being not less than 85% braiding according to count in one of the embodiments, Shielded layer.

A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:

Wire and cable, including cable core, and be sequentially sleeved at outside cable core the first wrapping layer, insulating layer, the second wrapping layer, Shielded layer, third wrapping layer and restrictive coating, and the first wrapping layer, insulating layer, the second wrapping layer, shielded layer, third wrapping layer Cooperation is sequentially stacked with restrictive coating；First wrapping layer is high-temperature polyester belt；Insulating layer is Ceramic silicon rubber layer；Second is wrapped Layer is ceramic composite tape layers；Third wrapping layer is ceramic composite tape layers；Restrictive coating is flame-proof silicon rubber layer, therefore, is used The first wrapping layer for being formed by high-temperature polyester band, is formed the insulating layer that is formed by Ceramic silicon rubber by ceramic composite band Second wrapping layer, the third wrapping layer formed by ceramic composite band and the insulating layer formed by flame-proof silicon rubber, so that this Application has extremely strong heat resistance, and has very strong flame retardant property, can be avoided because cable from however caused by fire.

Detailed description of the invention

By being more particularly described for preferred embodiment of the present application shown in the drawings, the above and other mesh of the application , feature and advantage will become more fully apparent.Identical appended drawing reference indicates identical part in all the attached drawings, and does not carve Meaning draws attached drawing by actual size equal proportion scaling, it is preferred that emphasis is shows the purport of the application.

Fig. 1 be one be the application wire and cable in embodiment schematic cross-section.

Specific embodiment

The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.

It should be noted that it can be directly to separately when an element is considered as " connection " another element One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " being arranged " " is folded Set cooperation " and similar statement is for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.

In order to which the heat resistance for solving traditional crosslinked polyethylene series cable and polyvinyl chloride series cable is not strong, easily because of high temperature The problem of causing fire, in one embodiment, as shown in Figure 1, a kind of wire and cable 11, including cable core 110 are provided, and The first wrapping layer 112, insulating layer 114, the second wrapping layer 116, shielded layer 118, the third being sequentially sleeved at outside cable core 110 are wrapped Layer 120 and restrictive coating 122, and the first wrapping layer 112, insulating layer 114, the second wrapping layer 116, shielded layer 118, third are wrapped Layer 120 and restrictive coating 122 are sequentially stacked cooperation；

First wrapping layer 112 is high-temperature polyester belt；Insulating layer 114 is Ceramic silicon rubber layer；Second wrapping layer 116 is Ceramic composite tape layers；Third wrapping layer 120 is ceramic composite tape layers；Restrictive coating 122 is flame-proof silicon rubber layer.

It should be noted that cable core is the part for transmitting electric energy in wire and cable.In order to improve the conductive energy of wire and cable Power, cable core use copper cable core, further, in order to improve the flexibility of wire and cable, in order to the installation of wire and cable, In one specific embodiment, cable core is annealing tin annealed copper wire cable core, i.e., cable core is made using annealing tin annealed copper wire, one In a example, annealing tin annealed copper wire is diameter in 0.1mm (millimeter) to the annealing tin annealed copper wire within the scope of 0.21mm.Again In one specific embodiment, cable core is the annealing tin annealed copper wire cable core being twisted by 1+16+12+18, in one example, Specific preparation process are as follows: annealing tin annealed copper wire passes through bundle strand, after-combustion, is twisted into 300 squares of flexible conductors.In actual production Cheng Zhong, cable core use conductor structure for 37 × 7 × 36/0.20 design, and single line elongation should be 25% or more, 40 times of bunch pitch Sub-thread is formed, 29 times of component units of after-combustion pitch, then 37 units progress 1+6+12+18 are twisted, inside and outside pitch point Wei not be 25,20,17 times, all bundle strands be in the same direction, pitch uniformly without fracture of wire, conductor layer any surface finish, without greasy dirt, without scratch.

First wrapping layer is for directly wrapping up cable core, specifically, the first wrapping layer is high-temperature polyester belt, it is poly- using high temperature The wrapped cable core of ester band can be improved the heat resistance of wire and cable, so that wire and cable is able to bear bigger electric current, specified It is used in electric current, cable life can be longer.In a specific embodiment, the first wrapping layer is the wrapped high temperature of double-layer overlapping Polyester layer, double-deck high-temperature polyester band overlapping is wrapped to cable core progress, further, the overlapping of double-deck high-temperature polyester band Rate is not less than 15%.

Insulating layer prevents electric leakage electric shock for cable core to be isolated from the outside.Specifically, insulating layer is Ceramic silicon rubber Layer, Ceramic silicon rubber is sinterable at hard ceramic-like shell after combustion, and effectively wire and cable can be stopped after afterflame Burn, thus, can avoid because wire and cable from however cause fire.Further, insulating layer is the Ceramic silicon rubber layer extruded, In the case where extruding process conditions, Ceramic silicon rubber crosslinks in curing tube.In order to extrude uniform, completion, nothing is burnt, bamboo The bad phenomenons such as section, particle select in speed of production to be 5 ms/min, and steam pressure position 0.1Mpa's (megapascal) extrudes process conditions Under extrude.

Second wrapping layer is used for isolated insulation layer and shielded layer, prevents shielded layer due to piercing through insulating layer and the first wrapping layer The short circuit phenomenon of generation, and the second wrapping layer can also further improve the self-extinguishment of wire and cable.Specifically, second around Covering is ceramic composite tape layers, and ceramic composite band can sinter hard ceramic-like shell into after combustion, be more advantageous to Improve the self-extinguishment of wire and cable.In a specific embodiment, the second wrapping layer is that the wrapped ceramic of double-layer overlapping is compound Belt, double-deck ceramic composite band overlapping is further wrapped to insulating layer, further, double-deck ceramic composite band weight Folded rate is not less than 15%.

Shielded layer refers to reduce the gold that the influence for transmitting power supply or signal in wire and cable is arranged in external electromagnetic field Belong to braided fabric shell, shielded layer also prevents the effect of the outside electromagnetic radiation energy of wire and cable.In a specific embodiment In, shielded layer is annealing tin annealed copper wire shielded layer.Tin annealed copper wire of annealing is soft, can facilitate the installation of wire and cable Construction.Further, shielded layer is the annealing tin annealed copper wire shielded layer woven according to the count not less than 85%, is being moved back Fiery tin annealed copper wire according to count not less than 85% woven so that wire and cable to inside and outside electromagnetism interference effect more Add obvious.During actual braiding, phenomena such as shielded layer should be ensured that no fracture of wire, burr.

Third wrapping layer is used for Isolated Shield layer and restrictive coating, and third wrapping layer can also further improve electric wire electricity The self-extinguishment of cable.Specifically, third wrapping layer is ceramic composite tape layers, ceramic composite band can sinter into after combustion Hard ceramic-like shell is more advantageous to the self-extinguishment for improving wire and cable.In a specific embodiment, third wrapping layer is The wrapped ceramic composite tape layers of double-layer overlapping, double-deck ceramic composite band overlapping is further wrapped to insulating layer, into one Step, double-deck ceramic composite band Duplication is not less than 15%.

Restrictive coating is the outermost layer of wire and cable, plays the role of carrying out physical protection to wire and cable, specifically, sheath Layer is flame-proof silicon rubber layer, and flame-proof silicon rubber has thermally conductive, insulation, shockproof properties, the included viscosity of material soft-surface, operation side Just, so that wire and cable has good thermally conductive, insulation performance, and the burning of flame-proof silicon rubber sheath is smokeless, does not drip, and There is the function of self-extinguishment, the flame retardant property of flame-proof silicon rubber improves the safety and reliability of wire and cable and prevents from causing two Secondary accident.In one example, flame-proof silicon rubber is referred to using halogen-free double two, four crosslinking agents according to 1.6% ratio and oxygen 35 or more number carries out mixing acquisition.In a specific embodiment, restrictive coating is the flame-proof silicon rubber layer extruded, using extruding Technique forms flame-proof silicon rubber layer, and in the case where extruding process conditions, flame-proof silicon rubber crosslinks in curing tube.In order to extrude Uniformly, complete, without burn, the bad phenomenons such as ring, particle, select in speed of production to be 3 ms/min, steam pressure position 0.1Mpa Extruding for (megapascal) extrudes under process conditions.

After the completion of the manufacture of the restrictive coating of wire and cable, factory's name, trade mark, type are stamped on restrictive coating using laser stamp Number, the mark content such as specification and rice mark.

In each embodiment of the application wire and cable, wire and cable, including cable core, and be sequentially sleeved at outside cable core One wrapping layer, insulating layer, the second wrapping layer, shielded layer, third wrapping layer and restrictive coating, and the first wrapping layer, insulating layer, Two wrapping layers, shielded layer, third wrapping layer and restrictive coating are sequentially stacked cooperation；First wrapping layer is high-temperature polyester belt；Insulation Layer is Ceramic silicon rubber layer；Second wrapping layer is ceramic composite tape layers；Third wrapping layer is ceramic composite tape layers；Sheath Layer is therefore flame-proof silicon rubber layer is formed exhausted using the first wrapping layer formed by high-temperature polyester band, by Ceramic silicon rubber Edge layer, the second wrapping layer formed by ceramic composite band, the third wrapping layer formed by ceramic composite band and by fire-retardant The insulating layer that silicon rubber is formed can be kept away so that the application has extremely strong heat resistance, and has very strong flame retardant property Exempt from because cable from however caused by fire.

In each embodiment of the application wire and cable, all material for making wire and cable is all made of high temperature resistant environment-protective material Material, so that heat resistance of electric wire is more preferable, and all material for making wire and cable has good flexibility and elasticity, is convenient for Construction and installation.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (10)

1. a kind of wire and cable, which is characterized in that including cable core, and be sequentially sleeved at outside the cable core the first wrapping layer, Insulating layer, the second wrapping layer, shielded layer, third wrapping layer and restrictive coating, and first wrapping layer, the insulating layer, institute It states the second wrapping layer, the shielded layer, the third wrapping layer and the restrictive coating and is sequentially stacked cooperation；

First wrapping layer is high-temperature polyester belt；The insulating layer is Ceramic silicon rubber layer；Second wrapping layer is Ceramic composite tape layers；The third wrapping layer is ceramic composite tape layers；The restrictive coating is flame-proof silicon rubber layer.

2. wire and cable according to claim 1, which is characterized in that first wrapping layer is the wrapped height of double-layer overlapping Warm polyester layer.

3. wire and cable according to claim 2, which is characterized in that the insulating layer is the Ceramic silicon rubber extruded Layer.

4. wire and cable according to claim 3, which is characterized in that second wrapping layer is the wrapped pottery of double-layer overlapping Porcelain composite tape layers.

5. wire and cable according to claim 4, which is characterized in that the third wrapping layer is the wrapped pottery of double-layer overlapping Porcelain composite tape layers.

6. wire and cable according to claim 5, which is characterized in that the restrictive coating is the flame-proof silicon rubber layer extruded.

7. according to claim 1 to wire and cable described in 6 any one, which is characterized in that the cable core is that annealing is tin plating soft Copper wire cable core.

8. wire and cable according to claim 7, which is characterized in that the cable core is the annealing being twisted by 1+16+12+18 Tin annealed copper wire cable core.

9. wire and cable according to claim 8, which is characterized in that the shielded layer is annealing tin annealed copper wire shielding Layer.

10. wire and cable according to claim 9, which is characterized in that the shielded layer is to be not less than according to count The annealing tin annealed copper wire shielded layer of 85% braiding.