CN106098190A - A kind of halogen-free flameproof fireproof cable - Google Patents
A kind of halogen-free flameproof fireproof cable Download PDFInfo
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- CN106098190A CN106098190A CN201610401561.1A CN201610401561A CN106098190A CN 106098190 A CN106098190 A CN 106098190A CN 201610401561 A CN201610401561 A CN 201610401561A CN 106098190 A CN106098190 A CN 106098190A
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- sheath unit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0807—Twin conductor or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0869—Flat or ribbon cables comprising one or more armouring, tensile- or compression-resistant elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/185—Sheaths comprising internal cavities or channels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- Insulated Conductors (AREA)
Abstract
The invention belongs to technical field of cables, relate to a kind of halogen-free flameproof fireproof cable, it is made up of the first insulated wire cores, the second insulated wire cores, restrictive coating, first insulated wire cores is made up of the first conductor and the first insulating barrier of being enveloped by the first conductor, second insulated wire cores is made up of the second conductor and the second insulating barrier of being enveloped by the second conductor, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating is constituted by the first sheath unit, the second sheath unit and by the 3rd sheath unit that the first sheath unit and the second sheath unit couple together, restrictive coating is formed as one;Having cavity inside sheath unit, insulated wire cores is positioned in cavity, and the restrictive coating in the present invention have employed special material.The present invention has following main Advantageous Effects: fire resistance is more excellent, current-carrying capacity is bigger, fire protecting performance is more excellent, it is more flexible to use.
Description
The application is entitled: a kind of halogen-free flameproof fireproof cable, filing date: on 06 09th, 2015, Application No.:
201510309923.X the divisional application of patent of invention.
Technical field
The invention belongs to technical field of cables, especially relate to a kind of halogen-free flameproof fireproof cable.
Background technology
In prior art, the covered wire in cable is close to mutually with sheath, is unfavorable for the heat radiation of cable, when a fire pole
Time fire in short time and covered wire, therefore, fire-retardant and flameproof effect is not very good.Therefore, fire-retardant except expecting in industry
Outside material improves, also it is desirable to carry out rational modification in configuration aspects, the fire resistance making cable is more excellent.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to disclose a kind of halogen-free flameproof fireproof cable, it is below using
Technical scheme realizes.
In first embodiment of the present invention, a kind of halogen-free flameproof fireproof cable, it is by the first insulated wire cores, the second insulation
Core, the restrictive coating the first insulated wire cores and the second insulated wire cores enveloped are constituted, the first insulated wire cores by the first conductor and
The first insulating barrier enveloped by first conductor is constituted, the second insulated wire cores by the second conductor and the second conductor is enveloped the
Two insulating barriers are constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating
By the first sheath unit, the second sheath unit and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit is constituted, and restrictive coating is formed as one;There is inside first sheath unit the first cavity, inside the second sheath unit, have
Two cavitys, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the horizontal stroke of the first sheath unit
Cross sectional shape is a part for cylindrical annular, and the shape of cross section of the second sheath unit is a part for cylindrical annular, and the 3rd protects
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of set unit, and the bottom of the 3rd sheath unit is by the
The lower end of one sheath unit and the second sheath unit couples together, the top of the 3rd sheath unit and the bottom of the 3rd sheath unit
Between be formed with channel lumens, the upper surface on the top of the 3rd sheath unit is plane, the lower surface of the bottom of the 3rd sheath unit
For plane, the upper surface of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit is relatively protruding arc
Face.
In second embodiment of the present invention, a kind of halogen-free flameproof fireproof cable, it is by the first insulated wire cores, the second insulation
Core, the restrictive coating the first insulated wire cores and the second insulated wire cores enveloped are constituted, the first insulated wire cores by the first conductor and
The first insulating barrier enveloped by first conductor is constituted, the second insulated wire cores by the second conductor and the second conductor is enveloped the
Two insulating barriers are constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating
By the first sheath unit, the second sheath unit and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit is constituted, and restrictive coating is formed as one;There is inside first sheath unit the first cavity, inside the second sheath unit, have
Two cavitys, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the horizontal stroke of the first sheath unit
Cross sectional shape is a part for cylindrical annular, and the shape of cross section of the second sheath unit is a part for cylindrical annular, and the 3rd protects
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of set unit, and the bottom of the 3rd sheath unit is by the
The lower end of one sheath unit and the second sheath unit couples together, the top of the 3rd sheath unit and the bottom of the 3rd sheath unit
Between be formed with channel lumens, the upper surface on the top of the 3rd sheath unit is cambered surface, the lower surface of the bottom of the 3rd sheath unit
For cambered surface, the upper surface of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit is relatively protruding arc
Face, the cambered surface protrusion direction on the upper and lower surface on the top of the 3rd sheath unit is consistent;The bottom of the 3rd sheath unit
The cambered surface protrusion direction on upper and lower surface is consistent.
In 3rd embodiment of the present invention, a kind of halogen-free flameproof fireproof cable, it is by the first insulated wire cores, the second insulation
Core, the restrictive coating the first insulated wire cores and the second insulated wire cores enveloped are constituted, the first insulated wire cores by the first conductor and
The first insulating barrier enveloped by first conductor is constituted, the second insulated wire cores by the second conductor and the second conductor is enveloped the
Two insulating barriers are constituted, and the diameter of the first insulated wire cores is less than the diameter of the second insulated wire cores;It is characterized in that described restrictive coating by
First sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit are coupled together
Constituting, restrictive coating is formed as one;There is inside first sheath unit the first cavity, inside the second sheath unit, have second
Cavity, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the first sheath unit transversal
Face is shaped as a part for cylindrical annular, and the shape of cross section of the second sheath unit is a part for cylindrical annular, the 3rd sheath
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of unit, and the bottom of the 3rd sheath unit is by first
The lower end of sheath unit and the second sheath unit couples together, the top of the 3rd sheath unit and the bottom of the 3rd sheath unit it
Between be formed with channel lumens, the upper surface on the top of the 3rd sheath unit is cambered surface, and the lower surface of the bottom of the 3rd sheath unit is
Cambered surface, the upper surface of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit is relatively protruding cambered surface,
The cambered surface protrusion direction on the upper and lower surface on the top of the 3rd sheath unit is consistent;The bottom of the 3rd sheath unit upper and lower
The cambered surface protrusion direction on surface is consistent.
In 4th embodiment of the present invention, a kind of halogen-free flameproof fireproof cable, it is by the first insulated wire cores, the second insulation
Core, the restrictive coating the first insulated wire cores and the second insulated wire cores enveloped are constituted, the first insulated wire cores by the first conductor and
The first insulating barrier enveloped by first conductor is constituted, the second insulated wire cores by the second conductor and the second conductor is enveloped the
Two insulating barriers are constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating
By the first sheath unit, the second sheath unit and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit is constituted, and restrictive coating is formed as one;There is inside first sheath unit the first cavity, inside the second sheath unit, have
Two cavitys, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the horizontal stroke of the first sheath unit
Cross sectional shape is a part for cylindrical annular, and the shape of cross section of the second sheath unit is a part for cylindrical annular, and the 3rd protects
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of set unit, and the bottom of the 3rd sheath unit is by the
The lower end of one sheath unit and the second sheath unit couples together, the top of the 3rd sheath unit and the bottom of the 3rd sheath unit
Between be formed with channel lumens, there is in channel lumens be made up of the 3rd conductor and the 3rd insulating barrier that enveloped by the 3rd conductor
Three insulated wire cores, the upper surface on the top of the 3rd sheath unit is plane, and the lower surface of the bottom of the 3rd sheath unit is plane,
The upper surface of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit is relatively protruding cambered surface.
In 5th embodiment of the present invention, a kind of halogen-free flameproof fireproof cable, it is by the first insulated wire cores, the second insulation
Core, the restrictive coating the first insulated wire cores and the second insulated wire cores enveloped are constituted, the first insulated wire cores by the first conductor and
The first insulating barrier enveloped by first conductor is constituted, the second insulated wire cores by the second conductor and the second conductor is enveloped the
Two insulating barriers are constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating
By the first sheath unit, the second sheath unit and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit is constituted, and restrictive coating is formed as one;There is inside first sheath unit the first cavity, inside the second sheath unit, have
Two cavitys, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the horizontal stroke of the first sheath unit
Cross sectional shape is a part for cylindrical annular, and the shape of cross section of the second sheath unit is a part for cylindrical annular, and the 3rd protects
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of set unit, and the bottom of the 3rd sheath unit is by the
The lower end of one sheath unit and the second sheath unit couples together, the top of the 3rd sheath unit and the bottom of the 3rd sheath unit
Between be formed with channel lumens, there is in channel lumens be made up of the 3rd conductor and the 3rd insulating barrier that enveloped by the 3rd conductor
Three insulated wire cores, the 3rd corresponding position, insulating barrier upper and lower surface has raised line;The lower surface and the 3rd on the top of the 3rd sheath unit
The upper surface corresponding position of the bottom of sheath unit has groove, and the upper surface on the top of the 3rd sheath unit is plane, the
The lower surface of the bottom of three sheath unit is plane, the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit
Upper surface be relatively protruding cambered surface;A part for raised line is inserted in a groove.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that the minimum of described channel lumens
Highly less than the external diameter of the first insulated wire cores.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that the minimum of described channel lumens
Highly less than the external diameter of the second insulated wire cores.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that the fracture of described restrictive coating
Percentage elongation is 500~800%;Resile after restrictive coating elastic deformation 500~800% time of shape is 3~10 seconds.
When bigger pressure, first/second insulated wire cores can be single by entering sky the most then in channel lumens
In chamber, then the second/the first insulated wire cores of opposite side can be single by entering cavity the most then in channel lumens, real
The location swap of existing insulated wire cores.
In the present invention, owing to the first insulated wire cores, the second insulated wire cores are respectively implanted in the first cavity, the second cavity,
And first insulated wire cores, the diameter of the second insulated wire cores are respectively smaller than the first sheath unit, the internal diameter of the second sheath unit, because of
This, the first insulated wire cores, the second insulated wire cores respectively and have gap, cable between the first sheath unit, the second sheath unit
When placing, insulated wire cores and sheath unit are linear contact lay, and therefore, cable cover(ing) is when burning, and flame makes insulated wire cores burn
Time longer, the fire resistance of cable is more excellent;Further, since the existence in gap, make electric cable heating rapidly be release, make
The current-carrying capacity obtaining cable is bigger, and the conductor of same cross section specification, when same cable temperature, the current-carrying capacity of the present invention can improve
More than 10%.The existence of channel lumens so that during cabling, the first insulated wire cores can change with the second insulated wire cores position, from
And eliminate substantially beating of visible part and turn round phenomenon.
Therefore, the present invention has a following main Advantageous Effects: fire resistance is more excellent, current-carrying capacity is bigger, use more
Flexibly.
Accompanying drawing explanation
Fig. 1 is the perspective view after one section of dissection of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1.
Fig. 3 is the perspective view after one section of dissection of embodiment 2 of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of Fig. 3.
Fig. 5 is the cross-sectional structure schematic diagram of embodiment 3 of the present invention.
Fig. 6 is the perspective view after one section of dissection of embodiment 4 of the present invention.
Fig. 7 is the cross-sectional structure schematic diagram of Fig. 6.
Fig. 8 is the perspective view after one section of dissection of embodiment 5 of the present invention.
Fig. 9 is the cross-sectional structure schematic diagram of Fig. 8.
Detailed description of the invention
Embodiment 1
Asking for an interview Fig. 1 and Fig. 2, a kind of halogen-free flameproof fireproof cable, it is by first insulated wire cores the 1, second insulated wire cores 2, by first
The restrictive coating that insulated wire cores and the second insulated wire cores envelope is constituted, and the first insulated wire cores is by the first conductor 11 and by the first conductor
The first insulating barrier 12 enveloped is constituted, the second insulated wire cores by the second conductor 21 and the second conductor is enveloped second insulation
Layer 22 is constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating is by
One sheath unit the 14, second sheath unit 24 and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit 34 is constituted, and restrictive coating is formed as one;There is the first cavity 13, the internal tool of the second sheath unit inside first sheath unit
Having the second cavity 23, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the first sheath list
The part that shape of cross section is cylindrical annular of unit, the shape of cross section of the second sheath unit is a part for cylindrical annular,
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of the 3rd sheath unit, under the 3rd sheath unit
The lower end of the first sheath unit and the second sheath unit is coupled together by portion, the top of the 3rd sheath unit and the 3rd sheath unit
Bottom between be formed with channel lumens 33, the upper surface on the top of the 3rd sheath unit is plane, the bottom of the 3rd sheath unit
Lower surface be plane, the upper surface of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit is the most convex
The cambered surface risen.
Embodiment 2
Asking for an interview Fig. 3 and Fig. 4, a kind of halogen-free flameproof fireproof cable, it is by first insulated wire cores the 1, second insulated wire cores 2, by first
The restrictive coating that insulated wire cores and the second insulated wire cores envelope is constituted, and the first insulated wire cores is by the first conductor 11 and by the first conductor
The first insulating barrier 12 enveloped is constituted, the second insulated wire cores by the second conductor 21 and the second conductor is enveloped second insulation
Layer 22 is constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating is by
One sheath unit the 14, second sheath unit 24 and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit 34 is constituted, and restrictive coating is formed as one;There is the first cavity 13, the internal tool of the second sheath unit inside first sheath unit
Having the second cavity 23, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the first sheath list
The part that shape of cross section is cylindrical annular of unit, the shape of cross section of the second sheath unit is a part for cylindrical annular,
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of the 3rd sheath unit, under the 3rd sheath unit
The lower end of the first sheath unit and the second sheath unit is coupled together by portion, the top of the 3rd sheath unit and the 3rd sheath unit
Bottom between be formed with channel lumens 33, the upper surface on the top of the 3rd sheath unit is cambered surface, the bottom of the 3rd sheath unit
Lower surface be cambered surface, the upper surface of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit is the most convex
The cambered surface risen, the cambered surface protrusion direction on the upper and lower surface on the top of the 3rd sheath unit is consistent;Under 3rd sheath unit
The cambered surface protrusion direction on the upper and lower surface in portion is consistent.
Embodiment 3
Ask for an interview Fig. 5, and with reference to Fig. 3 and Fig. 4, a kind of halogen-free flameproof fireproof cable, it is by first insulated wire cores the 1, second covered wire
Core 2, the restrictive coating the first insulated wire cores and the second insulated wire cores enveloped are constituted, the first insulated wire cores by the first conductor 11 and
The first insulating barrier 12 enveloped by first conductor is constituted, and the second conductor by the second conductor 21 and is enveloped by the second insulated wire cores
The second insulating barrier 22 constitute, the diameter of the first insulated wire cores is less than the diameter of the second insulated wire cores;Protect described in it is characterized in that
Jacket layer by first sheath unit the 14, second sheath unit 24 and the first sheath unit and the second sheath unit are coupled together
Three sheath unit 34 are constituted, and restrictive coating is formed as one;There is inside first sheath unit the first cavity 13, the second sheath list
Unit is internal has the second cavity 23, and the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the
The shape of cross section of one sheath unit is a part for cylindrical annular, and the shape of cross section of the second sheath unit is cylindrical annular
A part, the upper end of the first sheath unit and the second sheath unit is coupled together by the top of the 3rd sheath unit, the 3rd sheath
The lower end of the first sheath unit and the second sheath unit is coupled together by the bottom of unit, the top and the 3rd of the 3rd sheath unit
Being formed with channel lumens 33 between the bottom of sheath unit, the upper surface on the top of the 3rd sheath unit is cambered surface, the 3rd sheath list
The lower surface of the bottom of unit is cambered surface, the lower surface on the top of the 3rd sheath unit and the upper surface of the bottom of the 3rd sheath unit
Being relatively protruding cambered surface, the cambered surface protrusion direction on the upper and lower surface on the top of the 3rd sheath unit is consistent;3rd sheath
The cambered surface protrusion direction on the upper and lower surface of the bottom of unit is consistent.
Embodiment 4
Asking for an interview Fig. 6 and Fig. 7, a kind of halogen-free flameproof fireproof cable, it is by first insulated wire cores the 1, second insulated wire cores 2, by first
The restrictive coating that insulated wire cores and the second insulated wire cores envelope is constituted, and the first insulated wire cores is by the first conductor 11 and by the first conductor
The first insulating barrier 12 enveloped is constituted, the second insulated wire cores by the second conductor 21 and the second conductor is enveloped second insulation
Layer 22 is constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating is by
One sheath unit the 14, second sheath unit 24 and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit 34 is constituted, and restrictive coating is formed as one;There is the first cavity 13, the internal tool of the second sheath unit inside first sheath unit
Having the second cavity 23, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the first sheath list
The part that shape of cross section is cylindrical annular of unit, the shape of cross section of the second sheath unit is a part for cylindrical annular,
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of the 3rd sheath unit, under the 3rd sheath unit
The lower end of the first sheath unit and the second sheath unit is coupled together by portion, the top of the 3rd sheath unit and the 3rd sheath unit
Bottom between be formed with channel lumens 33, have in channel lumens by the 3rd conductor 31 and the 3rd insulation that the 3rd conductor is enveloped
The 3rd insulated wire cores 3 that layer 32 is constituted, the upper surface on the top of the 3rd sheath unit is plane, the bottom of the 3rd sheath unit
Lower surface is plane, and the upper surface of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit is relatively protruding
Cambered surface.
Embodiment 5
Asking for an interview Fig. 8 and Fig. 9, a kind of halogen-free flameproof fireproof cable, it is by first insulated wire cores the 1, second insulated wire cores 2, by first
The restrictive coating that insulated wire cores and the second insulated wire cores envelope is constituted, and the first insulated wire cores is by the first conductor 11 and by the first conductor
The first insulating barrier 12 enveloped is constituted, the second insulated wire cores by the second conductor 21 and the second conductor is enveloped second insulation
Layer 22 is constituted, the diameter of the first insulated wire cores and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating is by
One sheath unit the 14, second sheath unit 24 and the 3rd sheath list that the first sheath unit and the second sheath unit are coupled together
Unit 34 is constituted, and restrictive coating is formed as one;There is the first cavity 13, the internal tool of the second sheath unit inside first sheath unit
Having the second cavity 23, the first insulated wire cores is positioned in the first cavity, and the second insulated wire cores is positioned in the second cavity, the first sheath list
The part that shape of cross section is cylindrical annular of unit, the shape of cross section of the second sheath unit is a part for cylindrical annular,
The upper end of the first sheath unit and the second sheath unit is coupled together by the top of the 3rd sheath unit, under the 3rd sheath unit
The lower end of the first sheath unit and the second sheath unit is coupled together by portion, the top of the 3rd sheath unit and the 3rd sheath unit
Bottom between be formed with channel lumens 33, have in channel lumens by the 3rd conductor 31 and the 3rd insulation that the 3rd conductor is enveloped
The 3rd insulated wire cores 3 that layer 32 is constituted, the 3rd corresponding position, insulating barrier upper and lower surface has raised line 30;3rd sheath unit upper
The upper surface corresponding position of the lower surface in portion and the bottom of the 3rd sheath unit has groove 341, the 3rd sheath unit upper
The upper surface in portion is plane, and the lower surface of the bottom of the 3rd sheath unit is plane, the lower surface on the top of the 3rd sheath unit
And the 3rd the upper surface of bottom of sheath unit be relatively protruding cambered surface;A part for raised line is inserted in a groove.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that described first insulated wire cores
Diameter less than the internal diameter of the first sheath unit.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that described second insulated wire cores
Diameter less than the internal diameter of the second sheath unit.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that the material of described restrictive coating
Bittern-free flame-proof material, described bittern-free flame-proof material be low smoke and zero halogen polyethylene or Halogen elastomeric material or based on weight part bag
Material containing following raw material:
Low Density Polyethylene or medium density polyethylene: 10~40 parts;
Styrenic elastomer: 25~50 parts;
Polyolefin elastomer: 10~45 parts;
Polyphenylene oxide resin: 30~50 parts;
Polybutylene terephthalate (PBT): 10~20 parts;
Nylon 6 or nylon 12 or nylon66 fiber: 3~5 parts;
Model is 4010 naphthenic base white oils or model is 4006 naphthenic base white oils or model is 90# white oil or 5# hydrogen white oil: 5~8
Part;
Aluminium hydroxide: 15~30 parts;
Magnesium hydroxide: 15~30 parts;
Full-size is less than the SiO 2 powder of 15 μm: 10~20 parts;
Silicone oil or Tissuemat E or paraffin: 1~5 part;
Cumyl peroxide: 1~3 part;
Dilauryl thiodipropionate or diphosphorous acid tetramethylolmethane distearyl alcohol ester or plastics that commercially available model is 1010 are with anti-
Oxidant: 1~3 part;
Model is UVP-327 or model is UV-234 or model is the UV absorbent of UV-360: 0.1~0.3 part;
Commercially available model is the light stabilizer of 744 or HPT: 0.1~0.2 part;
Carbon black: 3~5 parts.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that described first insulating barrier,
Second insulating barrier, the material of the 3rd insulating barrier are all bittern-free flame-proof materials, preferably less than cigarette halogen-free polyvinyl or Halogen elastomer material
Material.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that described first conductor,
The material of two conductors is all copper or aluminum or alloy.
A kind of halogen-free flameproof fireproof cable described above, it is characterised in that the material of described 3rd conductor be copper or aluminum or
Alloy.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that the minimum of described channel lumens
Highly less than the external diameter of the first insulated wire cores.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that the minimum of described channel lumens
Highly less than the external diameter of the second insulated wire cores.
A kind of halogen-free flameproof fireproof cable described in any of the above-described embodiment, it is characterised in that the fracture of described restrictive coating
Percentage elongation is 500~800%;Resile after restrictive coating elastic deformation 500~800% time of shape is 3~10 seconds.
When bigger pressure, first/second insulated wire cores can be single by entering sky the most then in channel lumens
In chamber, then the second/the first insulated wire cores of opposite side can be single by entering cavity the most then in channel lumens, real
The location swap of existing insulated wire cores.
When having three insulated wire cores, owing to the 3rd insulated wire cores diameter is less than in first/second insulated wire cores relatively
The insulated wire cores of major diameter, therefore can conveniently enter in first/second cavity.
In the present invention, owing to the first insulated wire cores, the second insulated wire cores are respectively implanted in the first cavity, the second cavity,
And first insulated wire cores, the diameter of the second insulated wire cores are respectively smaller than the first sheath unit, the internal diameter of the second sheath unit, because of
This, the first insulated wire cores, the second insulated wire cores respectively and have gap, cable between the first sheath unit, the second sheath unit
When placing, insulated wire cores and sheath unit are linear contact lay, and therefore, cable cover(ing) is when burning, and flame makes insulated wire cores burn
Time longer, the fire resistance of cable is more excellent;Further, since the existence in gap, make electric cable heating rapidly be release, make
The current-carrying capacity obtaining cable is bigger, and the conductor of same cross section specification, when same cable temperature, the current-carrying capacity of the present invention can improve
More than 10%.The existence of channel lumens so that during cabling, the first insulated wire cores can change with the second insulated wire cores position, from
And eliminate substantially beating of visible part and turn round phenomenon.
In the present invention, when the material of restrictive coating is special formula, use styrene series elastomer, polyolefin elastomer,
Polyester and Halogen based flame retardant polyphenylene ether carry out blending and modifying, and each group partition inter-capacitive of matrix resin is good, and present invention process changes
Be apt to the original poor fluidity of polyphenylene oxide, melt viscosity is high and goods are susceptible to the shortcomings such as stress cracking, meanwhile, and institute of the present invention
The halogen-free flame-retardant thermoplastic elastomer electrical cable material that design produces has that processing characteristics is excellent, halogen-free flameproof grade high, density is light, anti-
Tear resistance is good, acid-proof alkaline is good and weather resistance, water resistance and anti-cracking performance are particularly pertinent.Wet at 85 DEG C and 85
Under degree environment, after 4000 hours aging, not separating out, mechanical and physical performance is maintained at more than 96%, and electrical property is without substantially changing.?
130 DEG C, under 1h and 10Kg loading conditions, there is not cracking phenomena.
The present invention adds styrene series elastomer and the extraordinary polyolefin of property compatible and elastomer, hydrogen-oxygen
Change magnesium and aluminium hydroxide dispersed with make in polyphenylene oxide resin, improve biphase affinity, decrease the stress collection at interface
In so that the present invention reaches the technique effect of optimum at fire-retardant aspect, and the goods toughness of production is high, high and low temperature resistance is good, resistance to
Environment stress cracking performance is also improved.
The fire retardant used in the present invention, has environment-protecting asepsis, flame retarding efficiency advantages of higher.In the present invention, poly-to benzene two
Formic acid butanediol ester, nylon 6 or nylon 12 or the existence of nylon66 fiber so that processing characteristics is more preferable, and the mobile performance of material is more excellent
Good, simultaneously as it has preferable hardness, therefore, there is more excellent anti-wear performance, cable of the prior art is released
After, then when being wound on cable hank, cable surface just has obvious drag mark;And after making this manufacture of materials cable, through 20 times just
Often folding and unfolding, does not find the abrasion of cable surface, mill flower phenomenon;Due to UV absorbent, light stabilizer and carbon in the present invention
Black existence, makes the product outdoor length in the annual Exposure to Sunlight time more than 280 days use 3 years continuously, and cable cover(ing) has no mesh
Power visible crack, takes off cable cover(ing) and measures tensile strength, only reduce 1.6%;And use CN103627064A,
CN102120842A、CN200810200933.X、CN200810207933.、CN200810028374.9、CN101724192、
Material in CN200710168264.8, CN103289162, CN103467818A, CN104311963A, constructs on the same day, makes
After same 3 years, taking off measurement, the minima that cable cover(ing) tensile strength reduces also reaches 8.9%.
Flame-retardant sheath material in the present invention, compared with the steady production speed the highest with above-mentioned material of the prior art, surely
Constant speed degree adds 22%;Flame-retardant sheath material in the present invention, compared with the lowest price of above-mentioned material of the prior art, under
Drop 7.61%.
Existence due to SiO 2 powder so that restrictive coating has excellent fire protecting performance;Certain first insulating barrier,
Two insulating barriers, the material of the 3rd insulating barrier also can be bittern-free flame-proof material described above, or only be not all above-mentioned
Described bittern-free flame-proof material;In this case, fire-retardant and flameproof effect significantly improves.
Therefore, the present invention has following main Advantageous Effects: fire resistance is more excellent, current-carrying capacity is bigger, fire line
Can more excellent, use more flexible.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that the design of the present invention can be by other all shapes
Formula is implemented to use, and they also fall within protection scope of the present invention.
Claims (5)
1. a halogen-free flameproof fireproof cable, it by the first insulated wire cores, the second insulated wire cores, by the first insulated wire cores and second
Restrictive coating that insulated wire cores envelopes is constituted, and the first insulated wire cores is by the first conductor and the first insulation of being enveloped by the first conductor
Layer is constituted, and the second insulated wire cores is made up of the second conductor and the second insulating barrier of being enveloped by the second conductor, the first insulated wire cores
Diameter and the equal diameters of the second insulated wire cores;It is characterized in that described restrictive coating is by the first sheath unit, the second sheath list
Unit and the 3rd sheath unit the first sheath unit and the second sheath unit coupled together are constituted, and restrictive coating is formed as one
's;Having the first cavity inside first sheath unit, have the second cavity inside the second sheath unit, the first insulated wire cores is positioned at
In first cavity, the second insulated wire cores is positioned in the second cavity, and the shape of cross section of the first sheath unit is the one of cylindrical annular
Part, the shape of cross section of the second sheath unit is a part for cylindrical annular, and the top of the 3rd sheath unit is by the first sheath
The upper end of unit and the second sheath unit couples together, and the bottom of the 3rd sheath unit is by the first sheath unit and the second sheath list
The lower end of unit couples together, and is formed with channel lumens between top and the bottom of the 3rd sheath unit of the 3rd sheath unit, and the 3rd
The upper surface on the top of sheath unit is cambered surface, and the lower surface of the bottom of the 3rd sheath unit is cambered surface, the 3rd sheath unit
The upper surface of the lower surface on top and the bottom of the 3rd sheath unit is relatively protruding cambered surface, the top of the 3rd sheath unit
The cambered surface protrusion direction on upper and lower surface is consistent;The cambered surface protrusion direction on the upper and lower surface of the bottom of the 3rd sheath unit is
Consistent;The minimum constructive height of described channel lumens is less than the external diameter of the first insulated wire cores, and the minimum constructive height of channel lumens is exhausted less than second
The external diameter of edge core;The elongation at break of described restrictive coating is 500~800%;Recover after restrictive coating elastic deformation 500~800%
The time of original shape is 3~10 seconds;The diameter of described first insulated wire cores is less than the internal diameter of the first sheath unit;Described channel lumens
Minimum constructive height less than the external diameter of the first insulated wire cores, the minimum constructive height of channel lumens is less than the external diameter of the second insulated wire cores;Described
The material of restrictive coating is bittern-free flame-proof material, and described bittern-free flame-proof material, based on weight part, comprises following raw material:
Low Density Polyethylene or medium density polyethylene: 10~40 parts;
Styrenic elastomer: 25~50 parts;
Polyolefin elastomer: 10~45 parts;
Polyphenylene oxide resin: 30~50 parts;
Polybutylene terephthalate (PBT): 10~20 parts;
Nylon 6 or nylon 12 or nylon66 fiber: 3~5 parts;
Model is 4010 naphthenic base white oils or model is 4006 naphthenic base white oils or model is 90# white oil or 5# hydrogen white oil: 5~8
Part;
Aluminium hydroxide: 15~30 parts;
Magnesium hydroxide: 15~30 parts;
Full-size is less than the SiO 2 powder of 15 μm: 10~20 parts;
Silicone oil or Tissuemat E or paraffin: 1~5 part;
Cumyl peroxide: 1~3 part;
Dilauryl thiodipropionate or diphosphorous acid tetramethylolmethane distearyl alcohol ester or plastics that commercially available model is 1010 are with anti-
Oxidant: 1~3 part;
Model is UVP-327 or model is UV-234 or model is the UV absorbent of UV-360: 0.1~0.3 part;
Commercially available model is the light stabilizer of 744 or HPT: 0.1~0.2 part;
Carbon black: 3~5 parts.
A kind of halogen-free flameproof fireproof cable the most according to claim 1, it is characterised in that described first insulated wire cores straight
Footpath is less than the internal diameter of the first sheath unit;The minimum constructive height of described channel lumens is less than the external diameter of the first insulated wire cores, channel lumens
Minimum constructive height is less than the external diameter of the second insulated wire cores.
3. according to a kind of halogen-free flameproof fireproof cable described in claim 1 or claim 2, it is characterised in that described second exhausted
The diameter of edge core is less than the internal diameter of the second sheath unit.
A kind of halogen-free flameproof fireproof cable the most according to claim 3, it is characterised in that the material of described second conductor is
Copper or aluminum or alloy.
5. according to a kind of halogen-free flameproof fireproof cable described in claim 1 or claim 2, it is characterised in that described first leads
The material of body is copper or aluminum or alloy.
Priority Applications (1)
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CN201610401561.1A CN106098190A (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flameproof fireproof cable |
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CN201610401561.1A CN106098190A (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flameproof fireproof cable |
CN201510309923.XA CN104882209B (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof cable |
Related Parent Applications (1)
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CN201510309923.XA Division CN104882209B (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof cable |
Publications (1)
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CN106098190A true CN106098190A (en) | 2016-11-09 |
Family
ID=53949673
Family Applications (12)
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CN201610433244.8A Pending CN106128611A (en) | 2015-06-09 | 2015-06-09 | A kind of power network halogen-free flameproof fire proof power cable |
CN201610433202.4A Pending CN105845245A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof power cable used for high-speed railway |
CN201610401586.1A Pending CN105869737A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame retardant fireproof cable for communication machine room |
CN201610401564.5A Pending CN106098221A (en) | 2015-06-09 | 2015-06-09 | A kind of rack halogen-free flameproof fireproof cable |
CN201610401563.0A Pending CN106024157A (en) | 2015-06-09 | 2015-06-09 | Flame-retardant fireproof cable |
CN201610433130.3A Pending CN106128573A (en) | 2015-06-09 | 2015-06-09 | A kind of rack flexible structure halogen-free flameproof fire proof power cable |
CN201610433303.1A Pending CN106128578A (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flameproof fire proof power cable for building |
CN201610386749.3A Pending CN106098220A (en) | 2015-06-09 | 2015-06-09 | A kind of fire protection flame retarding cable |
CN201610401561.1A Pending CN106098190A (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flameproof fireproof cable |
CN201610401562.6A Pending CN106024141A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof cable used for subway |
CN201510309923.XA Expired - Fee Related CN104882209B (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof cable |
CN201610433145.XA Pending CN105931744A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof power cable for tunnel |
Family Applications Before (8)
Application Number | Title | Priority Date | Filing Date |
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CN201610433244.8A Pending CN106128611A (en) | 2015-06-09 | 2015-06-09 | A kind of power network halogen-free flameproof fire proof power cable |
CN201610433202.4A Pending CN105845245A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof power cable used for high-speed railway |
CN201610401586.1A Pending CN105869737A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame retardant fireproof cable for communication machine room |
CN201610401564.5A Pending CN106098221A (en) | 2015-06-09 | 2015-06-09 | A kind of rack halogen-free flameproof fireproof cable |
CN201610401563.0A Pending CN106024157A (en) | 2015-06-09 | 2015-06-09 | Flame-retardant fireproof cable |
CN201610433130.3A Pending CN106128573A (en) | 2015-06-09 | 2015-06-09 | A kind of rack flexible structure halogen-free flameproof fire proof power cable |
CN201610433303.1A Pending CN106128578A (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flameproof fire proof power cable for building |
CN201610386749.3A Pending CN106098220A (en) | 2015-06-09 | 2015-06-09 | A kind of fire protection flame retarding cable |
Family Applications After (3)
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CN201610401562.6A Pending CN106024141A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof cable used for subway |
CN201510309923.XA Expired - Fee Related CN104882209B (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof cable |
CN201610433145.XA Pending CN105931744A (en) | 2015-06-09 | 2015-06-09 | Halogen-free flame-retardant fireproof power cable for tunnel |
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CN106189247A (en) * | 2016-08-30 | 2016-12-07 | 中天科技装备电缆有限公司 | A kind of track traffic silicone rubber for cable and silicone rubber intellectuality preparation method thereof |
CN110580982A (en) * | 2019-10-12 | 2019-12-17 | 宜兴市玉蝶印务有限公司 | Cable with heat dissipation structure |
CN111584148B (en) * | 2020-05-22 | 2021-08-20 | 惠州市德胜电线有限公司 | Composite cable |
CN113053580A (en) * | 2021-03-15 | 2021-06-29 | 国网湖北省电力有限公司十堰供电公司 | Fireproof flame-retardant cable |
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- 2015-06-09 CN CN201610401586.1A patent/CN105869737A/en active Pending
- 2015-06-09 CN CN201610401564.5A patent/CN106098221A/en active Pending
- 2015-06-09 CN CN201610401563.0A patent/CN106024157A/en active Pending
- 2015-06-09 CN CN201610433130.3A patent/CN106128573A/en active Pending
- 2015-06-09 CN CN201610433303.1A patent/CN106128578A/en active Pending
- 2015-06-09 CN CN201610386749.3A patent/CN106098220A/en active Pending
- 2015-06-09 CN CN201610401561.1A patent/CN106098190A/en active Pending
- 2015-06-09 CN CN201610401562.6A patent/CN106024141A/en active Pending
- 2015-06-09 CN CN201510309923.XA patent/CN104882209B/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
CN105845245A (en) | 2016-08-10 |
CN105869737A (en) | 2016-08-17 |
CN106128573A (en) | 2016-11-16 |
CN104882209B (en) | 2017-01-18 |
CN105931744A (en) | 2016-09-07 |
CN106098220A (en) | 2016-11-09 |
CN104882209A (en) | 2015-09-02 |
CN106128611A (en) | 2016-11-16 |
CN106024141A (en) | 2016-10-12 |
CN106098221A (en) | 2016-11-09 |
CN106024157A (en) | 2016-10-12 |
CN106128578A (en) | 2016-11-16 |
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Application publication date: 20161109 |