CN207165267U - A kind of new structure cable - Google Patents

A kind of new structure cable Download PDF

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Publication number
CN207165267U
CN207165267U CN201720578016.XU CN201720578016U CN207165267U CN 207165267 U CN207165267 U CN 207165267U CN 201720578016 U CN201720578016 U CN 201720578016U CN 207165267 U CN207165267 U CN 207165267U
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China
Prior art keywords
core body
cable
wire core
new structure
gap
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CN201720578016.XU
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Chinese (zh)
Inventor
程开春
陈曦
杨凯
陈春艳
毕力
赵诗琰
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State Grid Corp of China SGCC
Wuhan Power Supply Co of State Grid Hubei Electric Power Co Ltd
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State Grid Corp of China SGCC
Wuhan Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Priority to CN201720578016.XU priority Critical patent/CN207165267U/en
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Abstract

It the utility model is related to technical field of electric wires and cables, it discloses a kind of new structure cable, including cable conductor core body and it is centered around the external cable surrounding layer of wire stylet, the wire core body quantity at least three, formed with gap between per adjacent two wire core bodys, protective materials is filled with the gap and between wire core body and cable surrounding layer, the wire core body is made up of the plain conductor and outside isolated insulation layer of inside, and the cable surrounding layer is made up of glassfiber insulation jacket and refractory metal sheath.In this new structure cable, multiple protective is carried out to the multiple conducting wires core body of inside, these protective effects greatly improve the q&r of cable product.In addition, the high temperature resistant and heat-sinking capability of cable are also improved simultaneously.

Description

A kind of new structure cable
Technical field
Technical field of electric wires and cables is the utility model is related to, more specifically to a kind of structure of electric wire.
Background technology
Wires and cables industry is the maximum supporting industry of electromechanical equipment industry, and with industrialized development, cable is each by each row Industry extensive use.In the prior art, conventional power transmission cable is being led by multiple twisted insulated conductive wires cores, extrusion molding What the plastic protective sleeve outside wire core was formed, insulated wire cores are by internally positioned conductor and the insulating barrier structure being coated on outside conductor Into, this cable needs to complete production by insulation process, extrusion molding process, although this common electric wire structure production Technique is simple, but technical merit relatively falls behind, it is difficult to meets under complex environment the needs of to cable high quality high reliability.
In addition, the rapid development of urban construction at present, fire several thus occurs by large quantities of construction for the buildings of various functions Rate accordingly increases.According to the statistics of fire-fighting system, in the fire of generation, major part is caused by electrical equipment malfunction, wherein moulding The chain initiation fire of glue insulated cable failure overheat account for significant proportion.Generally, the plastic cement outer layer of electric wire is main Play insulation, the function of radiating does not have particular design, easily causes heat to disperse as early as possible, so as to cause the loss of power accident Generation.
The content of the invention
The technical problems to be solved in the utility model is, for electric wire of the prior art reliability of poor quality The defects of low, without defencive functions such as radiating fire prevention, there is provided a kind of new structure and the electric wire that the defect can be overcome.
In order to solve the above technical problems, technical scheme is used by the utility model:
A kind of new structure cable, including cable conductor core body and the external cable surrounding layer of wire stylet is centered around, it is described Wire core body quantity at least three, per between adjacent two wire core bodys formed with gap, in the gap and wire Protective materials is filled with gap between core body and cable surrounding layer, the wire core body is by internal plain conductor and outside The isolated insulation layer in portion is formed, and the cable surrounding layer is made up of glassfiber insulation jacket and refractory metal sheath.
In new structure cable described in the utility model, the quantity of the wire core body is the odd number of more than five Root, set-up mode of the wire core body inside cable surrounding layer are other wires centered on a wherein wire core body Core body is distributed uniformly and circumferentially around it.
In new structure cable described in the utility model, the gap size between adjacent two wire core bodys is small Gap size between the wire core body and the cable surrounding layer.
In new structure cable described in the utility model, the protective materials includes waterproof, fire-retardant, high temperature resistant material At least one of material.
In the further preferred scheme of the utility model, the new structure cable also includes wire core body integument, All wire core bodys are wrapped in it by the integument, and the integument is located at the inside of the cable surrounding layer, And there is gap between the glassfiber insulation jacket.
In the further preferred scheme of the utility model, between the wire core body and wire core body and the parcel Layer between gap in be filled with the first protective materials, between the integument and the glassfiber insulation jacket between The second protective materials is filled with gap.
In the further preferred scheme of the utility model, the gap size between the wire core body and the integument is small Gap size between the integument and the glassfiber insulation jacket.
In the further preferred scheme of the utility model, it is recessed that some radiatings are offered on the protective metal shell outer surface Groove.
Compared with prior art, new structure cable of the present utility model, has the advantages that:
New structure cable in the utility model, there is isolated insulation layer, layer of protective material, the glass of protection plain conductor Glass fibrous covering and refractory metal restrictive coating so that electric wire is provided with more excellent insulation, waterproof, fire-retardant and resistance to height Warm nature energy.In this new structure cable, multiple protective is carried out to the multiple conducting wires core body of inside, wherein isolated insulation layer plays First protective effect again, adjacent two wire core bodys are intervally installed and play second in gap location filling protective materials to be prevented again Water resistance fires protective effect, and fiberglass insulation plays the triple insulation and is not easily broken, stretching resistance protective effect, high-melting-point Metal sheath layer play high temperature resistant and heat radiation protection effect, these protective effects greatly improve cable product quality and can By property.
The utility model be primarily adapted for use in rated voltage 750V and following large size city skyscraper, public place of entertainment and It is numerous to require high quality and highly safe construction project.Also, due to being set on the outermost protective metal shell of this electric wire There is radiating groove, there is increase area of dissipation, heat is distributed rapidly, improve the high-temperature resistance of electric wire, prolong The service life and reliability of long electric wire.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the construction of cable cross-sectional view in the utility model preferred embodiment one;
Fig. 2 is the construction of cable cross-sectional view in the utility model preferred embodiment two;
Fig. 3 is the construction of cable cross-sectional view in the utility model preferred embodiment three;
Fig. 4 is the cross-sectional view of the protective metal shell structure in the utility model embodiment.
Embodiment
In order that technical scheme, technical characteristic, reached purpose and effect that the utility model is realized are easy to understand, under The utility model is expanded on further with reference to multiple specific embodiments in face.
The utility model is for electric wire of the prior art reliability of poor quality is low, do not radiate fire-proof high-temperature resistant etc. The defects of defencive function, there is provided a kind of new structure electric wire, for solving the technical problem.
Referring to Fig.1 and 2, in the utility model embodiment, a kind of new structure cable, including cable conductor core body 1 and the cable surrounding layer that is centered around outside wire core body 1, the quantity of the wire core body 1 at least three, per adjacent two wires Gap is each formed between core body 1, filled with protection in the gap and between wire core body 1 and cable surrounding layer Material 3, the wire core body 1 is made up of the plain conductor (in accompanying drawing unmarked) of inside and the isolated insulation layer 2 of outside, described Cable surrounding layer is made up of glassfiber insulation jacket 4 and refractory metal sheath 5.
In the utility model preferred embodiment one, as shown in figure 1, the quantity of the wire core body 1 is three, wire stylet The plain conductor of body 1 and the cross section of isolated insulation layer 2 are circular concentric, and the circle center line connecting of three wire core bodys 1 is formed Equilateral triangle, the cable of such a structure, inner lead core body set compacter, improve crush resistance.
In the utility model preferred embodiment two, as shown in Fig. 2 the quantity of the wire core body 1 is five, it is described to lead Set-up mode of the core body 1 inside cable surrounding layer be centered on a wherein wire core body 1, other wire core bodys ( A total of four in the present embodiment) it is distributed uniformly and circumferentially around it.The cable of such a structure, inner lead core body set compared with It is compact, crush resistance is improved, and make it that the outside diameter of cable is smaller.
Certainly, in other embodiments, the wire core body 1 can also be four, or the six roots of sensation, more than seven, these Wire core body 1 is compact to be arranged on inside cable surrounding layer.Wherein preferred embodiment is that the quantity of wire core body 1 is more than five Odd number root, for example, when wire core body 1 quantity be seven when, setting side of the wire core body 1 inside cable surrounding layer Formula be centered on a wherein wire core body 1, other wire core bodys (a total of six roots of sensation in this embodiment) around it circumferentially Direction is uniformly distributed.
In the utility model embodiment, the gap size between adjacent two wire core bodys is less than the wire stylet Gap size between body and the cable surrounding layer.Specifically, the gap size between adjacent two wire core bodys is small Gap size between outboard wire core body and the glassfiber insulation jacket 4, so when protective materials fills these It is optimal to the protecting effect of wire core body after gap, and the installation of wire core body is also compact, inside the cable surrounding layer Greater number of wire core body can be accommodated.
In the utility model embodiment, the protective materials includes at least one in waterproof, fire-retardant, exotic material Kind.The protective materials can be inorganic mineral such as aluminoborosilicate material, and it has high temperature resistant and flame-retarding characteristic, described Protective materials can include fire retardant, antioxidant or drier.In a word, the protective materials can be to have in the prior art There is the material of waterproof, fire-retardant, high temperature resistant or the characteristic such as anti-oxidant, do not do excessively repeat herein.
Fig. 3 is refer to, in another preferred embodiment of the utility model, the new structure cable also includes wire stylet Body integument 6, the integument 6 are made up of plastics or other materials, and the integument 6 wraps all wire core bodys 1 It is rolled in it, the integument 6 is located at the inside of the cable surrounding layer, and has between the glassfiber insulation jacket 4 Gap.Further, it is filled between the wire core body 1 and gap between wire core body 1 and the integument 6 First protective materials 31, first protective materials 31 are at least one of fire-retardant, exotic material;In the integument 6 The second protective materials 32 is filled with gap between the glassfiber insulation jacket 4, second protective materials 32 is Waterproof material.As further preferred scheme, the gap size between the wire core body 1 and the integument 6 is less than described Gap size between integument 6 and the glassfiber insulation jacket 4, make it that all wire core bodys 1 are overall by more The protection of more second protective materials 32.In the present embodiment, the protective materials 31 of integument 6 and first, the second protective materials 32 Setting, can further lift the barrier propterty of the utility model cable.
Fig. 4 is refer to, in the new structure cable of the utility model embodiment, on the outer surface of the protective metal shell 5 Some radiating grooves 7 are offered, circumferencial directions distribution of these radiating grooves 7 along protective metal shell 5, and along protective metal shell 5 Length direction extension.
New structure cable in the utility model embodiment, it has the isolated insulation layer 2 of protection plain conductor, prevented Protective material layer 3, fiberglass insulation 4 and refractory metal restrictive coating 5 so that electric wire be provided with more excellent insulation, Waterproof, fire-retardant and resistance to elevated temperatures.In this new structure cable, multiple protective has been carried out to the multiple conducting wires core body 1 of inside, its Middle isolated insulation layer 2 plays the first protective effect again, and adjacent two wire core bodys 1 are intervally installed and prevented in gap location filling Protective material 3 plays the second heavy water proof fire retardant high temperature resistant protective effect, and fiberglass insulation 4 plays the triple insulation and is not easy Fracture, stretching resistance protective effect, refractory metal restrictive coating 5 plays high temperature resistant and heat radiation protection effect, these protective effect poles The big q&r for improving cable product.
The utility model be primarily adapted for use in rated voltage 750V and following large size city skyscraper, public place of entertainment and It is numerous to require high quality and highly safe construction project.Also, due to being set on the outermost protective metal shell 5 of this electric wire There is radiating groove 6, there is increase area of dissipation, heat is distributed rapidly, improve the high-temperature resistance of electric wire, prolong The reliability and service life of long electric wire.
Above example only expresses preferred embodiment of the present utility model, and its description is more specific and detailed, but simultaneously Therefore the limitation to scope of protection of the utility model can not be interpreted as;It should be pointed out that the ordinary skill for this area For personnel, without departing from the concept of the premise utility, some equivalents and improvement can also be made, these all fall Enter within the protection domain of the utility model claims.

Claims (8)

1. a kind of new structure cable, including cable conductor core body and it is centered around the external cable surrounding layer of wire stylet, its feature It is, the wire core body quantity is at least three, formed with gap between every adjacent two wire core bodys, in the gap Protective materials is filled with interior and gap between wire core body and cable surrounding layer, the wire core body is by inside Plain conductor and outside isolated insulation layer are formed, and the cable surrounding layer is protected by glassfiber insulation jacket and refractory metal Set is formed.
2. new structure cable according to claim 1, it is characterised in that the quantity of the wire core body is more than five Odd number root, set-up mode of the wire core body inside cable surrounding layer be centered on a wherein wire core body, its Its wire core body is distributed uniformly and circumferentially around it.
3. new structure cable according to claim 1, it is characterised in that between adjacent two wire core bodys Gap size is less than the gap size between the wire core body and the cable surrounding layer.
4. new structure cable according to claim 1, it is characterised in that the protective materials include waterproof, it is fire-retardant, At least one of exotic material.
5. new structure cable according to claim 1, it is characterised in that the new structure cable also includes wire All wire core bodys are wrapped in it by core wrap layer, the integument, and the integument is located at outside the cable The inside of covering, and have gap between the glassfiber insulation jacket.
6. new structure cable according to claim 5, it is characterised in that between the wire core body and wire stylet The first protective materials is filled with gap between body and the integument, in the integument and the glassfiber insulation bag The second protective materials is filled with gap between set.
7. new structure cable according to claim 6, it is characterised in that between the wire core body and the integument Gap size be less than gap size between the integument and the glassfiber insulation jacket.
8. new structure cable according to claim 1, it is characterised in that if being offered on the protective metal shell outer surface Dry bar radiating groove.
CN201720578016.XU 2017-05-23 2017-05-23 A kind of new structure cable Active CN207165267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720578016.XU CN207165267U (en) 2017-05-23 2017-05-23 A kind of new structure cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720578016.XU CN207165267U (en) 2017-05-23 2017-05-23 A kind of new structure cable

Publications (1)

Publication Number Publication Date
CN207165267U true CN207165267U (en) 2018-03-30

Family

ID=61709096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720578016.XU Active CN207165267U (en) 2017-05-23 2017-05-23 A kind of new structure cable

Country Status (1)

Country Link
CN (1) CN207165267U (en)

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