CN207165267U - A kind of new structure cable - Google Patents
A kind of new structure cable Download PDFInfo
- 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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- core body
- cable
- wire core
- new structure
- gap
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- 230000001681 protective effect Effects 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 32
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 239000003870 refractory metal Substances 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
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.
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 |
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CN (1) | CN207165267U (en) |
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2017
- 2017-05-23 CN CN201720578016.XU patent/CN207165267U/en active Active
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