CN215183220U - Flame-retardant four-core cable with high insulation resistance - Google Patents

Flame-retardant four-core cable with high insulation resistance Download PDF

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Publication number
CN215183220U
CN215183220U CN202120409272.2U CN202120409272U CN215183220U CN 215183220 U CN215183220 U CN 215183220U CN 202120409272 U CN202120409272 U CN 202120409272U CN 215183220 U CN215183220 U CN 215183220U
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Prior art keywords
retardant
layer
fire
cable
core
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CN202120409272.2U
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Chinese (zh)
Inventor
郭昆峰
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Kunming Far Through Wire And Cable Manufacturing Co ltd
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Kunming Far Through Wire And Cable Manufacturing Co ltd
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Abstract

The utility model relates to the technical field of cables, and a fire-retardant four-core cable conductor of high insulation resistance is disclosed, including four group's cable core, the outside fixed mounting of four group's cable core has the insulating layer, the outside fixed mounting of insulating layer has first fire-retardant layer, the outside fixed mounting of insulating layer has one end to run through and extend to the outside heat conduction piece in first fire-retardant layer, the outside fixed mounting on first fire-retardant layer has the filling layer, the outside fixed mounting of filling layer has the shielding layer. This fire-retardant four-core cable conductor of high insulation resistance, through the first fire-retardant layer that sets up, heat conduction piece and the fire-retardant layer of second, in the use, the heat that the heat conduction piece produced when can be with cable core load is derived, avoid cable core overheated to cause the insulating layer to melt the fire, first fire-retardant layer and the fire-retardant layer of second have fire-retardant effect, because the filling layer is filled is high temperature resistant asbestos, the fire-retardant effect of further enhancement, fire-retardant radiating purpose has been realized.

Description

Flame-retardant four-core cable with high insulation resistance
Technical Field
The utility model relates to the technical field of cables, specifically be a fire-retardant four-core cable conductor of high insulation resistance.
Background
The cable is generally a rope-like cable formed by stranding several or several groups of wires, each group of wires being insulated from each other, twisted around a center, and covered with a highly insulating covering layer, and the cable is an important component of power transmission.
Cable line structure on the existing market is abundant in type, and most cable conductors do not have flame retardant ability, and easy burning fracture when leading to the conflagration breaing out, in addition summer because the load is great, the inside heat abstractor that does not have of cable also can lead to the cable fusing on fire to lead to the power transmission trouble, influence normal production life, so proposed a high insulation resistance's fire-retardant four-core cable conductor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a high insulation resistance's fire-retardant four-core cable conductor possesses advantages such as fire-retardant heat dissipation, has solved when the cable conductor does not possess fire-retardant ability and summer because the load is great, and the cable is inside not to have heat abstractor, also can lead to the problem of cable fire fusing.
(II) technical scheme
For realizing the purpose of the flame-retardant and heat-dissipation, the utility model provides a following technical scheme: the utility model provides a fire-retardant four-core cable conductor of high insulation resistance, includes four group's cable core, the outside fixed mounting of four group's cable core has the insulating layer, the outside fixed mounting of insulating layer has first fire-retardant layer, the outside fixed mounting of insulating layer has one end to run through and extend to the outside heat conduction piece in first fire-retardant layer, the outside fixed mounting on first fire-retardant layer has the filling layer, the outside fixed mounting of filling layer has the shielding layer, the outside fixed mounting of shielding layer has the fire-retardant layer of second, the outside fixed mounting on the fire-retardant layer of second has the lag.
Preferably, the four groups of cable cores are stranded copper cores.
Preferably, the insulating layer is made of a PE polyethylene polymer material.
Preferably, the filling layer is an asbestos layer.
Preferably, the first flame retardant layer and the second flame retardant layer are both aluminum hydroxide.
Preferably, the protective sleeve is a low-smoke halogen-free cable sheath.
(III) advantageous effects
Compared with the prior art, the utility model provides a high insulation resistance's fire-retardant four-core cable conductor possesses following beneficial effect:
1. this fire-retardant four-core cable conductor of high insulation resistance, through the first fire-retardant layer that sets up, heat conduction piece and the fire-retardant layer of second, in the use, the heat that the heat conduction piece produced when can be with cable core load is derived, avoid cable core overheated to cause the insulating layer to melt the fire, first fire-retardant layer and the fire-retardant layer of second have fire-retardant effect, because the filling layer is filled is high temperature resistant asbestos, the fire-retardant effect of further enhancement, fire-retardant radiating purpose has been realized.
2. This fire-retardant four-core cable conductor of high insulation resistance through the shielding layer that sets up, in the use, because the electric current that the cable passes through is bigger, can produce the magnetic field around the electric current, sets up the shielding layer and can shield the electromagnetic field in the cable, does not influence other components, and takes place the damage in the cable conductor, and the electric current that exposes out can be in the same direction as shielding layer and flow into the earth mat, has improved the security of cable conductor.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 cable core, 2 insulating layers, 3 first fire-retardant layers, 4 heat conduction pieces, 5 filling layers, 6 shielding layers, 7 fire-retardant layers of second, 8 lag.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a high insulation resistance flame-retardant four-core cable comprises four groups of cable cores (1, the cable cores 1 are stranded copper cores, the outer sides of the four groups of cable cores 1 are fixedly provided with insulating layers 2, the insulating layers 2 are made of PE polyethylene polymer materials, the outer side of the insulating layer 2 is fixedly provided with a first flame-retardant layer 3, the outer side of the insulating layer 2 is fixedly provided with a heat conduction block 4, one end of the heat conduction block penetrates through and extends to the outer side of the first flame-retardant layer 3, the outer side of the first flame-retardant layer 3 is fixedly provided with a filling layer 5, the filling layer 5 is an asbestos layer, the outer side of the filling layer 5 is fixedly provided with a shielding layer 6, the outer side of the shielding layer 6 is fixedly provided with a second flame-retardant layer 7, the first flame-retardant layer 3 and the second flame-retardant layer 7 are both aluminum hydroxide, the outer side of the second flame-retardant layer 7 is fixedly provided with a protective sleeve 8, the protective sleeve 8 is a low-smoke halogen-free cable protective sleeve, and the high insulation resistance flame-retardant four-core cable, through the arrangement of the first flame-retardant layer 3, the heat conducting block 4 and the second flame-retardant layer 7, in the use process, the heat conducting block 4 can lead out the heat generated when the cable core 1 is loaded, the situation that the insulating layer 2 is melted and ignited due to overheating of the cable core 1 is avoided, the first flame-retardant layer 3 and the second flame-retardant layer 7 have the flame-retardant effect, because the filling layer 5 is filled with high-temperature resistant asbestos, the flame-retardant effect is further enhanced, the purposes of flame retardance and heat dissipation are realized, the flame-retardant four-core cable with high insulation resistance has the advantages that through the arranged shielding layer 6, in the using process, because the current passing through the cable is relatively large, a magnetic field can be generated around the current, the electromagnetic field can be shielded in the cable by arranging the shielding layer without influencing other elements, and the cable core wire is damaged, and the leaked current can flow into the grounding grid along the shielding layer, so that the safety of the cable is improved.
In conclusion, in the high-insulation-resistance flame-retardant four-core cable, through the arrangement of the first flame-retardant layer 3, the heat-conducting block 4 and the second flame-retardant layer 7, in the use process, the heat-conducting block 4 can lead out heat generated when the cable core 1 is loaded, so as to avoid the situation that the insulating layer 2 is melted and ignited due to overheating of the cable core 1, the first flame-retardant layer 3 and the second flame-retardant layer 7 have a flame-retardant effect, and because the filling layer 5 is filled with high-temperature-resistant asbestos, the flame-retardant effect is further enhanced, so that the purposes of flame-retardant and heat dissipation are achieved, and through the arrangement of the shielding layer 6, in the use process, because the current passing through the cable is relatively large, a magnetic field can be generated around the current, the shielding layer can shield the electromagnetic field in the cable without affecting other elements, and the cable core is damaged, and the leaked current can flow into the grounding grid along with the shielding layer, the safety of the cable conductor is improved, and the problem that the cable conductor does not have flame retardant capability and can be fused on fire due to the fact that the load is large and no heat dissipation device exists in the cable conductor in summer is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fire-retardant four-core cable conductor of high insulation resistance, includes four group cable core (1), its characterized in that: the utility model discloses a fire-retardant layer of fire-retardant cable core (3) of four sets of cable cores (1), the equal fixed mounting in the outside has insulating layer (2), the outside fixed mounting of insulating layer (2) has first fire-retardant layer (3), the outside fixed mounting of insulating layer (2) has one end to run through and extend to first fire-retardant layer (3) outside heat conduction piece (4), the outside fixed mounting of first fire-retardant layer (3) has filling layer (5), the outside fixed mounting of filling layer (5) has shielding layer (6), the outside fixed mounting of shielding layer (6) has the fire-retardant layer of second (7), the outside fixed mounting of the fire-retardant layer of second (7) has lag (8).
2. The high insulation resistance flame retardant four-core cable line according to claim 1, wherein: the cable core (1) is a stranded copper core.
3. The high insulation resistance flame retardant four-core cable line according to claim 1, wherein: the insulating layer (2) is made of PE polyethylene polymer materials.
4. The high insulation resistance flame retardant four-core cable line according to claim 1, wherein: the filling layer (5) is an asbestos layer.
5. The high insulation resistance flame retardant four-core cable line according to claim 1, wherein: the first flame-retardant layer (3) and the second flame-retardant layer (7) are both aluminum hydroxide.
6. The high insulation resistance flame retardant four-core cable line according to claim 1, wherein: the protective sleeve (8) is a low-smoke halogen-free cable protective sleeve.
CN202120409272.2U 2021-02-25 2021-02-25 Flame-retardant four-core cable with high insulation resistance Active CN215183220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120409272.2U CN215183220U (en) 2021-02-25 2021-02-25 Flame-retardant four-core cable with high insulation resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120409272.2U CN215183220U (en) 2021-02-25 2021-02-25 Flame-retardant four-core cable with high insulation resistance

Publications (1)

Publication Number Publication Date
CN215183220U true CN215183220U (en) 2021-12-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120409272.2U Active CN215183220U (en) 2021-02-25 2021-02-25 Flame-retardant four-core cable with high insulation resistance

Country Status (1)

Country Link
CN (1) CN215183220U (en)

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