CN204632361U - A kind of halogen-free flame-retardant cable - Google Patents
A kind of halogen-free flame-retardant cable Download PDFInfo
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- CN204632361U CN204632361U CN201520390355.6U CN201520390355U CN204632361U CN 204632361 U CN204632361 U CN 204632361U CN 201520390355 U CN201520390355 U CN 201520390355U CN 204632361 U CN204632361 U CN 204632361U
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Abstract
The utility model belongs to technical field of cables, relate to a kind of halogen-free flame-retardant 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one; Sheath unit inside has cavity, and insulated wire cores is arranged in cavity.The utility model has following main Advantageous Effects: fire resistance is more excellent, ampacity is larger, it is more flexible to use.
Description
Technical field
The utility model belongs to technical field of cables, especially relates to a kind of halogen-free flame-retardant cable.
Background technology
In prior art, the insulated wire in cable is close to mutually with sheath, is unfavorable for the heat radiation of cable, fires in short time and insulated wire when a fire during pole, and therefore, flame retardant effect is not very good.Therefore, in industry except expecting fire proofing and improving, be also desirably in configuration aspects and carry out rational modification, make the fire resistance of cable more excellent.
Utility model content
In order to solve the problem, the purpose of this utility model discloses a kind of halogen-free flame-retardant cable, and it realizes by the following technical solutions.
In first embodiment of the present utility model, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, the upper surface on the top of the 3rd sheath unit is plane, 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 second embodiment of the present utility model, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, 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 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 top of the 3rd sheath unit upper, the cambered surface protrusion direction of 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.
In 3rd embodiment of the present utility model, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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, 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 is made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, 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 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 top of the 3rd sheath unit upper, the cambered surface protrusion direction of 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.
In 4th embodiment of the present utility model, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, there is in channel lumens the 3rd insulated wire cores be made up of the 3rd conductor and the 3rd insulating barrier that enveloped by the 3rd conductor, the upper surface on the top of the 3rd sheath unit is plane, 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 utility model, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, there is in channel lumens the 3rd insulated wire cores be made up of the 3rd conductor and the 3rd insulating barrier that enveloped by the 3rd conductor, on 3rd insulating barrier, lower surface corresponding position has raised line, the upper surface corresponding position of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit has groove, the upper surface on the top of the 3rd sheath unit is plane, the lower surface of the bottom of the 3rd sheath unit 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, a part for raised line is inserted in a groove.
In the utility model, because the first insulated wire cores, the second insulated wire cores are inserted respectively in the first cavity, the second cavity, and the diameter of the first insulated wire cores, the second insulated wire cores is less than the internal diameter of the first sheath unit, the second sheath unit respectively, therefore, first insulated wire cores, the second insulated wire cores are respectively and the first sheath unit, have gap between the second sheath unit, cable is when placing, insulated wire cores and sheath unit are linear contact lay, therefore, cable cover(ing) is when burning, the time that flame makes insulated wire cores burn is longer, and the fire resistance of cable is more excellent; In addition, due to the existence in gap, electric cable heating is discharged rapidly, make the ampacity of cable larger, the conductor of same cross section specification, when same cable temperature, ampacity of the present utility model can improve more than 10%.The existence of channel lumens, when making cabling, the first insulated wire cores and the second insulated wire cores position can be changed, thus obvious the beating of eliminating visible part turns round phenomenon.
Therefore, the utility model has following main Advantageous Effects: fire resistance is more excellent, ampacity is larger, it is more flexible to use.
Accompanying drawing explanation
Fig. 1 is the perspective view after a section of the utility model embodiment 1 is dissected.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1.
Fig. 3 is the perspective view after a section of the utility model embodiment 2 is dissected.
Fig. 4 is the cross-sectional structure schematic diagram of Fig. 3.
Fig. 5 is the cross-sectional structure schematic diagram of the utility model embodiment 3.
Fig. 6 is the perspective view after a section of the utility model embodiment 4 is dissected.
Fig. 7 is the cross-sectional structure schematic diagram of Fig. 6.
Fig. 8 is the perspective view after a section of the utility model embodiment 5 is dissected.
Fig. 9 is the cross-sectional structure schematic diagram of Fig. 8.
Embodiment
embodiment 1
Ask for an interview Fig. 1 and Fig. 2, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores 1, second insulated wire cores 2, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, first insulated wire cores is made up of the first conductor 11 and the first insulating barrier 12 of being enveloped by the first conductor, second insulated wire cores is made up of the second conductor 21 and the second insulating barrier 22 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 made up of the first sheath unit 14, second sheath unit 24 and the 3rd sheath unit 34 that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity 13, second sheath unit inside has the second cavity 23, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens 33 is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, the upper surface on the top of the 3rd sheath unit is plane, 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.
embodiment 2
Ask for an interview Fig. 3 and Fig. 4, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores 1, second insulated wire cores 2, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, first insulated wire cores is made up of the first conductor 11 and the first insulating barrier 12 of being enveloped by the first conductor, second insulated wire cores is made up of the second conductor 21 and the second insulating barrier 22 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 made up of the first sheath unit 14, second sheath unit 24 and the 3rd sheath unit 34 that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity 13, second sheath unit inside has the second cavity 23, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens 33 is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, 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 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 top of the 3rd sheath unit upper, the cambered surface protrusion direction of 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.
embodiment 3
Ask for an interview Fig. 5, and with reference to figure 3 and Fig. 4, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores 1, second insulated wire cores 2, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, first insulated wire cores is made up of the first conductor 11 and the first insulating barrier 12 of being enveloped by the first conductor, second insulated wire cores is made up of the second conductor 21 and the second insulating barrier 22 of being enveloped by the second conductor, 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 is made up of the first sheath unit 14, second sheath unit 24 and the 3rd sheath unit 34 that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity 13, second sheath unit inside has the second cavity 23, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens 33 is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, 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 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 top of the 3rd sheath unit upper, the cambered surface protrusion direction of 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.
embodiment 4
Ask for an interview Fig. 6 and Fig. 7, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores 1, second insulated wire cores 2, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, first insulated wire cores is made up of the first conductor 11 and the first insulating barrier 12 of being enveloped by the first conductor, second insulated wire cores is made up of the second conductor 21 and the second insulating barrier 22 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 made up of the first sheath unit 14, second sheath unit 24 and the 3rd sheath unit 34 that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity 13, second sheath unit inside has the second cavity 23, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens 33 is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, there is in channel lumens the 3rd insulated wire cores 3 be made up of the 3rd conductor 31 and the 3rd insulating barrier 32 that enveloped by the 3rd conductor, the upper surface on the top of the 3rd sheath unit is plane, 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.
embodiment 5
Ask for an interview Fig. 8 and Fig. 9, a kind of halogen-free flame-retardant cable, it is by the first insulated wire cores 1, second insulated wire cores 2, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, first insulated wire cores is made up of the first conductor 11 and the first insulating barrier 12 of being enveloped by the first conductor, second insulated wire cores is made up of the second conductor 21 and the second insulating barrier 22 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 made up of the first sheath unit 14, second sheath unit 24 and the 3rd sheath unit 34 that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity 13, second sheath unit inside has the second cavity 23, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens 33 is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, there is in channel lumens the 3rd insulated wire cores 3 be made up of the 3rd conductor 31 and the 3rd insulating barrier 32 that enveloped by the 3rd conductor, on 3rd insulating barrier, lower surface corresponding position has raised line 30, the upper surface corresponding position of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit has groove 341, the upper surface on the top of the 3rd sheath unit is plane, the lower surface of the bottom of the 3rd sheath unit 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, a part for raised line is inserted in a groove.
A kind of halogen-free flame-retardant cable described in above-mentioned arbitrary embodiment, is characterized in that the diameter of described first insulated wire cores is less than the internal diameter of the first sheath unit.
A kind of halogen-free flame-retardant cable described in above-mentioned arbitrary embodiment, is characterized in that the diameter of described second insulated wire cores is less than the internal diameter of the second sheath unit.
A kind of halogen-free flame-retardant cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described restrictive coating is bittern-free flame-proof material, preferred low smoke and zero halogen polyethylene or Halogen elastomeric material.
A kind of halogen-free flame-retardant cable described in above-mentioned arbitrary embodiment, is characterized in that described first insulating barrier, the second insulating barrier, the material of the 3rd insulating barrier is all bittern-free flame-proof material, preferred low smoke and zero halogen polyethylene or Halogen elastomeric material.
A kind of halogen-free flame-retardant cable described in above-mentioned arbitrary embodiment, is characterized in that described first conductor, the material of the second conductor is all copper or aluminium or alloy.
In the utility model, because the first insulated wire cores, the second insulated wire cores are inserted respectively in the first cavity, the second cavity, and the diameter of the first insulated wire cores, the second insulated wire cores is less than the internal diameter of the first sheath unit, the second sheath unit respectively, therefore, first insulated wire cores, the second insulated wire cores are respectively and the first sheath unit, have gap between the second sheath unit, cable is when placing, insulated wire cores and sheath unit are linear contact lay, therefore, cable cover(ing) is when burning, the time that flame makes insulated wire cores burn is longer, and the fire resistance of cable is more excellent; In addition, due to the existence in gap, electric cable heating is discharged rapidly, make the ampacity of cable larger, the conductor of same cross section specification, when same cable temperature, ampacity of the present utility model can improve more than 10%.The existence of channel lumens, when making cabling, the first insulated wire cores and the second insulated wire cores position can be changed, thus obvious the beating of eliminating visible part turns round phenomenon.
Therefore, the utility model has following main Advantageous Effects: fire resistance is more excellent, ampacity is larger, it is more flexible to use.
The utility model is not limited to above-mentioned preferred forms, and should be appreciated that design of the present utility model can be implemented to use by other various forms, they drop in protection range of the present utility model equally.
Claims (10)
1. a halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, the upper surface on the top of the 3rd sheath unit is plane, 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.
2. a halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, 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 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 top of the 3rd sheath unit upper, the cambered surface protrusion direction of 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.
3. a halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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, 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 is made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, 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 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 top of the 3rd sheath unit upper, the cambered surface protrusion direction of 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.
4. a halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, there is in channel lumens the 3rd insulated wire cores be made up of the 3rd conductor and the 3rd insulating barrier that enveloped by the 3rd conductor, the upper surface on the top of the 3rd sheath unit is plane, 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.
5. a halogen-free flame-retardant cable, it is by the first insulated wire cores, the second insulated wire cores, form the restrictive coating that the first insulated wire cores and the second insulated wire cores envelope, 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 made up of the first sheath unit, the second sheath unit and the 3rd sheath unit that the first sheath unit and the second sheath unit coupled together, restrictive coating is formed as one, first sheath unit inside has the first cavity, second sheath unit inside has the second cavity, first insulated wire cores is arranged in the first cavity, second insulated wire cores is arranged in the second cavity, the shape of cross section of the first sheath unit is a part for cylinder annular, the shape of cross section of the second sheath unit is a part for cylinder annular, the upper end of the first sheath unit and the second sheath unit couples together by the top of the 3rd sheath unit, the lower end of the first sheath unit and the second sheath unit couples together by the bottom of the 3rd sheath unit, channel lumens is formed between the top of the 3rd sheath unit and the bottom of the 3rd sheath unit, there is in channel lumens the 3rd insulated wire cores be made up of the 3rd conductor and the 3rd insulating barrier that enveloped by the 3rd conductor, on 3rd insulating barrier, lower surface corresponding position has raised line, the upper surface corresponding position of the lower surface on the top of the 3rd sheath unit and the bottom of the 3rd sheath unit has groove, the upper surface on the top of the 3rd sheath unit is plane, the lower surface of the bottom of the 3rd sheath unit 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, a part for raised line is inserted in a groove.
6. a kind of halogen-free flame-retardant cable according to claim 1 to claim 5 any one, is characterized in that the diameter of described first insulated wire cores is less than the internal diameter of the first sheath unit.
7. a kind of halogen-free flame-retardant cable according to claim 1 to claim 5 any one, is characterized in that the diameter of described second insulated wire cores is less than the internal diameter of the second sheath unit.
8. a kind of halogen-free flame-retardant cable according to claim 1 to claim 5 any one, is characterized in that the material of described restrictive coating is bittern-free flame-proof material.
9. a kind of halogen-free flame-retardant cable according to claim 1 to claim 5 any one, is characterized in that described first insulating barrier, the second insulating barrier, the material of the 3rd insulating barrier is all bittern-free flame-proof material.
10. a kind of halogen-free flame-retardant cable according to claim 1 to claim 5 any one, is characterized in that described first conductor, the material of the second conductor is all copper or aluminium or alloy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390355.6U CN204632361U (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390355.6U CN204632361U (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flame-retardant cable |
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| Publication Number | Publication Date |
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| CN204632361U true CN204632361U (en) | 2015-09-09 |
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| CN201520390355.6U Active CN204632361U (en) | 2015-06-09 | 2015-06-09 | A kind of halogen-free flame-retardant cable |
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| Country | Link |
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| CN (1) | CN204632361U (en) |
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Address after: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu Patentee after: Jiangsu Zhongli group Limited by Share Ltd Address before: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu Patentee before: Zhongli Science & Technology Group Co., Ltd. |