CN213519344U - KVV cable that fire-retardant ability is strong - Google Patents
KVV cable that fire-retardant ability is strong Download PDFInfo
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- CN213519344U CN213519344U CN202021986421.3U CN202021986421U CN213519344U CN 213519344 U CN213519344 U CN 213519344U CN 202021986421 U CN202021986421 U CN 202021986421U CN 213519344 U CN213519344 U CN 213519344U
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Abstract
The utility model discloses a KVV cable that flame retardant ability is strong, including the extexine, fire-retardant oversheath has been cup jointed on the surface of extexine, the inside of extexine has cup jointed interlocking armoring layer one, the insulating layer has been cup jointed to the inside of interlocking armoring layer one, the inside of insulating layer has cup jointed around the package inner liner, cup jointed interlocking armoring layer two around the inside of package inner liner, the waterproof layer has been cup jointed to the inside of interlocking armoring layer two, the inside of waterproof layer is run through and is provided with the alloy conductor, the inside of alloy conductor is provided with the copper pipe. The utility model discloses reach the good effect of flame retardant efficiency, strengthened the practicality of KVV cable, strengthened the life of KVV cable, the utility model provides a current KVV cable its fire-retardant ability is relatively poor, and if the possibility that spontaneous combustion will appear after the temperature risees for a long time of live time, lead to the problem that the safety of whole circuit can not obtain the guarantee.
Description
Technical Field
The utility model relates to a KVV cable technical field specifically is a KVV cable that fire-retardant ability is strong.
Background
The KVV cable is a polyvinyl chloride insulation control cable and is mainly used for wiring of control, signal, protection and measurement systems. However, the existing KVV cable has poor flame retardant capability, and if the cable is used for a long time and the temperature rises, spontaneous combustion may occur, so that the safety of the whole circuit cannot be guaranteed, the practicability of the KVV cable is reduced, and the service life of the KVV cable is reduced.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes in the above-mentioned background art, the utility model aims to provide a KVV cable that flame retardant ability is strong possesses the good advantage of flame retardant efficiency, has solved its flame retardant ability of current KVV cable relatively poor, and if the possibility that spontaneous combustion will appear after the temperature risees of using time of a specified duration, leads to the problem that whole circuit's safety can not be ensured.
The utility model provides a following technical scheme: the utility model provides a KVV cable that fire-retardant ability is strong, includes the ectosexine, fire-retardant oversheath has been cup jointed on the surface of ectosexine, the inside of ectosexine has cup jointed interlocking armoring layer one, the inside of interlocking armoring layer one has cup jointed the insulating layer, the inside of insulating layer has cup jointed around the package inner liner, the inside of wrapping the inner liner has cup jointed interlocking armoring layer two, the inside of interlocking armoring layer two has cup jointed the waterproof layer, the inside of waterproof layer is run through and is provided with the alloy conductor, the inside of alloy conductor is provided with the copper pipe.
The surface of the flame-retardant outer sheath is pasted with a heat dissipation layer, and the heat dissipation layer is matched with the flame-retardant outer sheath for use.
The surface of the heat dissipation layer is coated with a flame retardant, the flame retardant is polyamide commonly known as nylon, and is a general name of thermoplastic resin with a molecular main chain containing repeated amide groups, and the nylon has excellent performances such as good mechanical property, electrical property, heat resistance, toughness, oil resistance, wear resistance, self-lubrication property, chemical resistance and the like.
The top and the bottom of the flame-retardant outer sheath are both fixedly connected with fireproof coating blocks, and the fireproof coating blocks are matched with the flame-retardant outer sheath for use.
The fireproof coating blocks are semicircular and are symmetrically arranged.
The number of the copper wire tubes is four, and the copper wire tubes are distributed equally.
The utility model has the advantages as follows:
1. the utility model discloses a fire-retardant outer cooperation of exhaling cover and extexine reaches the good effect of flame retardant efficiency, has strengthened the practicality of KVV cable, has strengthened the life of KVV cable, the utility model provides a current its fire-retardant ability of KVV cable is relatively poor, and if the possibility that spontaneous combustion will appear after the temperature risees for a long time of live time, the problem that the safety that leads to whole circuit can not obtain the guarantee.
2. The utility model discloses a setting on heat dissipation layer can make the effect of fire-retardant oversheath better, has accelerated the heat dissipation of whole cable simultaneously.
3. The utility model discloses a surface on heat dissipation layer scribbles the setting of fire retardant, can make the flame retardant efficiency on heat dissipation layer better, prevents that the heat dissipation layer from receiving external heat appearance spontaneous combustion phenomenon to appear.
4. The utility model discloses a setting of coating piece is scribbled in the fire prevention can prevent that the phenomenon that drops from appearing in fire-retardant oversheath, avoids appearing fire-retardant oversheath self high temperature phenomenon.
5. The utility model discloses a shape of scribbling the piece of fire prevention is the setting of semicircle form, can make the installation of scribbling the piece of fire prevention more convenient, the convenience that has increaseed.
6. The utility model discloses a quantity of copper wire pipe is four settings, can make the circular telegram nature of whole cable more abundant, has increaseed holistic electric conductivity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a perspective view of the local structure of the present invention.
In the figure: 1. an outer skin; 2. a flame retardant outer jacket; 3. interlocking armour layer one; 4. an insulating layer; 5. wrapping an inner liner; 6. interlocking the armour layer two; 7. a waterproof layer; 8. an alloy conductor; 9. a copper wire tube; 10. a heat dissipation layer; 11. a block of fire retardant coating.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to fig. 2, the utility model discloses an outer skin 1, fire-retardant oversheath 2 has been cup jointed on outer skin 1's surface, interlocking armoring layer 3 has been cup jointed in outer skin 1's inside, insulating layer 4 has been cup jointed in interlocking armoring layer 3's inside, insulating layer 4's inside has been cup jointed around package inner liner 5, interlocking armoring layer two 6 has been cup jointed around package inner liner 5's inside, waterproof layer 7 has been cup jointed in interlocking armoring layer two 6's inside, waterproof layer 7's inside is run through and is provided with alloy conductor 8, alloy conductor 8's inside is provided with copper pipe 9.
Referring to fig. 1, a heat dissipation layer 10 is adhered to the surface of the flame-retardant outer sheath 2, and the heat dissipation layer 10 is used in cooperation with the flame-retardant outer sheath 2.
This embodiment can make fire-retardant oversheath 2's effect better through the setting of heat dissipation layer 10, has accelerated the heat dissipation of whole cable simultaneously.
Referring to fig. 1, the surface of the heat dissipation layer 10 is coated with a flame retardant, which is commonly known as polyamide, and is a generic name of thermoplastic resins having a repeating amide group in a molecular main chain, and nylon has excellent mechanical properties, electrical properties, heat resistance, toughness, oil resistance, wear resistance, self-lubrication, chemical resistance, and the like.
The surface that this embodiment passes through heat dissipation layer 10 scribbles the setting of fire retardant, can make heat dissipation layer 10's flame retardant efficiency better, prevents that the spontaneous combustion phenomenon from appearing in heat dissipation layer 10 receives external heat.
Referring to fig. 1, the top and bottom of the flame-retardant outer sheath 2 are fixedly connected with fireproof paint blocks 11, and the fireproof paint blocks 11 are used in cooperation with the flame-retardant outer sheath 2.
The setting of the coating block 11 is passed through in this embodiment, the phenomenon that the fire-retardant oversheath 2 dropped can be prevented, the phenomenon that the temperature of the fire-retardant oversheath 2 itself is too high is avoided appearing.
Referring to fig. 1, the fireproof paint block 11 has a semicircular shape and is symmetrically installed.
The shape of this embodiment through the coating piece of fire prevention 11 is the setting of semicircle form, can make the installation of the coating piece of fire prevention 11 more convenient, the convenient that has increaseed.
Referring to fig. 1, the number of the copper wire tubes 9 is four, and the copper wire tubes are equally distributed.
In this embodiment, the number of the copper wire tubes 9 is four, so that the whole cable can be more sufficiently electrified, and the whole conductivity is increased.
The utility model discloses at first overlap fire-retardant oversheath 2 on the surface of skin 1 earlier, then paste heat dissipation layer 10 on fire-retardant oversheath 2's surface again, will prevent fires this moment scribble the piece 11 and install in fire-retardant oversheath 2's top and bottom, will dispel the heat the surface coating fire retardant of layer 10 again, cause to reach the good effect of flame retardant efficiency.
Claims (5)
1. A KVV cable with strong flame retardant capability comprises an outer skin (1), and is characterized in that: the surface of exocuticle (1) has cup jointed fire-retardant oversheath (2), the inside of exocuticle (1) has cup jointed interlocking armour layer one (3), the inside of interlocking armour layer one (3) has cup jointed insulating layer (4), the inside of insulating layer (4) has cup jointed around package inner liner (5), the inside of around package inner liner (5) has cup jointed interlocking armour layer two (6), waterproof layer (7) has been cup jointed to the inside of interlocking armour layer two (6), the inside of waterproof layer (7) is run through and is provided with alloy conductor (8), the inside of alloy conductor (8) is provided with copper wire pipe (9).
2. The KVV cable with high flame retardant property as claimed in claim 1, wherein: the surface of the flame-retardant outer sheath (2) is pasted with a heat dissipation layer (10), and the heat dissipation layer (10) is matched with the flame-retardant outer sheath (2).
3. The KVV cable with high flame retardant property as claimed in claim 2, wherein: the top and the bottom of the flame-retardant outer sheath (2) are both fixedly connected with fireproof coating blocks (11), and the fireproof coating blocks (11) are matched with the flame-retardant outer sheath (2).
4. The KVV cable with high flame retardant property as claimed in claim 3, wherein: the fireproof coating blocks (11) are semicircular and are symmetrically arranged.
5. The KVV cable with high flame retardant property as claimed in claim 4, wherein: the number of the copper wire tubes (9) is four, and the copper wire tubes are distributed equally.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021986421.3U CN213519344U (en) | 2020-09-11 | 2020-09-11 | KVV cable that fire-retardant ability is strong |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021986421.3U CN213519344U (en) | 2020-09-11 | 2020-09-11 | KVV cable that fire-retardant ability is strong |
Publications (1)
Publication Number | Publication Date |
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CN213519344U true CN213519344U (en) | 2021-06-22 |
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Family Applications (1)
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CN202021986421.3U Active CN213519344U (en) | 2020-09-11 | 2020-09-11 | KVV cable that fire-retardant ability is strong |
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CN (1) | CN213519344U (en) |
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2020
- 2020-09-11 CN CN202021986421.3U patent/CN213519344U/en active Active
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