CN213025451U - Light-duty low-release dripping-free flexible fireproof variable frequency cable - Google Patents
Light-duty low-release dripping-free flexible fireproof variable frequency cable Download PDFInfo
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- CN213025451U CN213025451U CN202022034283.5U CN202022034283U CN213025451U CN 213025451 U CN213025451 U CN 213025451U CN 202022034283 U CN202022034283 U CN 202022034283U CN 213025451 U CN213025451 U CN 213025451U
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Abstract
The utility model discloses a light-duty low-release dripping-free flexible fireproof variable frequency cable, relating to the technical field of cables; the protective part comprises an inner protective layer, a shielding layer wrapped on the inner protective layer, an outer protective layer wrapped on the shielding layer and an interlocking armor wrapped on the outer protective layer; the conductive part and the protection part are in clearance fit, a plurality of holes are formed in the upper side of the protection part, a plurality of supporting tubes are arranged in the filling rope, a plurality of second holes are formed in the supporting tubes, and the inner protection layer, the outer protection layer and the supporting tubes are all made of ceramic silicon rubber. The utility model provides a flexible fire prevention variable frequency cable of light-duty low release no drippage. The combustion has the advantages of less heat generation, no drop and good safety.
Description
Technical Field
The utility model belongs to the technical field of the cable, in particular to flexible fire prevention variable frequency cable of light-duty low release no drippage.
Background
In recent years, with the increasing development of fireproof cables and the market demand of various cable enterprises and research institutes, more and more flexible fireproof cables are widely applied to high-rise buildings, petrochemical industry, airports, aerospace, parking lots, hospitals and other occasions.
The existing cable releases much heat in fire and easily generates drops.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned shortcoming of prior art, provide a flexible fire prevention variable frequency cable of light-duty low release no drippage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a light low-release no-dripping flexible fireproof frequency conversion cable comprises a conductive part, a protection part wrapped outside the conductive part, and a filling rope filled between the conductive part and the protection part, wherein the protection part comprises an inner protection layer, a shielding layer wrapped on the inner protection layer, an outer protection layer wrapped on the shielding layer, and an interlocking armor wrapped on the outer protection layer; the conductive part and the protection part are in clearance fit, a plurality of holes are formed in the upper side of the protection part, a plurality of supporting tubes are arranged in the filling rope, a plurality of second holes are formed in the supporting tubes, and the inner protection layer, the outer protection layer and the supporting tubes are all made of ceramic silicon rubber.
Preferably, the interlocking armor is made of an aluminum alloy.
Preferably, the conductive part comprises six electric wires which are divided into three thick wires and three thin wires, and the electric wires comprise a conducting wire, a fire insulation layer wrapped on the conducting wire and a fire resistance layer wrapped on the fire insulation layer.
Preferably, the wire is made up of several conductors with a diameter of 0.5 mm.
Preferably, the material of the fire barrier layer is calcined mica.
Preferably, the material of the fire-resistant layer is ceramic silicon rubber.
Preferably, the thick lines are arranged in an annular array around the axis of the protection part, the thin lines are arranged in an annular array around the axis of the protection part, the thick lines abut against each other, three thick lines surround a cavity, the thin lines abut against the two thick lines, and the thin lines are located outside the cavity.
The utility model has the advantages that: the utility model provides a flexible fire prevention variable frequency cable of light-duty low release no drippage. The combustion has the advantages of less heat generation, no drop and good safety.
Drawings
Fig. 1 is a schematic view of the present invention.
In the figure: the cable comprises a filling rope 1, an inner protection layer 2, a shielding layer 3, an outer protection layer 4, an interlocking armor 5, a hole 6, a support pipe 7, a second hole 8, a lead 9, a cavity 10, a fire barrier 11 and a fire-resistant layer 12.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the following detailed description:
example (b):
referring to fig. 1, the light low-release no-drip flexible fireproof frequency conversion cable comprises a conductive part, a protection part wrapped outside the conductive part, and a filling rope 1 filled between the conductive part and the protection part, wherein the protection part comprises an inner protection layer 2, a shielding layer 3 wrapped on the inner protection layer 2, an outer protection layer 4 wrapped on the shielding layer 3, and an interlocking armor 5 wrapped on the outer protection layer 4;
the conductive part and the protection part are in clearance fit, a plurality of holes 6 are formed in the upper side of the protection part, a plurality of supporting tubes 7 are arranged in the filling rope 1, a plurality of second holes 8 are formed in the supporting tubes 7, and the inner protection layer 2, the outer protection layer 4 and the supporting tubes 7 are all made of ceramic silicon rubber. The interlocking armor 5 is made of aluminum alloy.
The conductive part comprises six electric wires which are divided into three thick wires and three thin wires, and each electric wire comprises a wire 9, a fire insulation layer 11 wrapped on the wire 9 and a fire resistance layer 12 wrapped on the fire insulation layer 11.
The wire 9 consists of several conductors with a diameter of 0.5 mm.
The fire barrier layer 11 is made of calcined mica. The material of the fire-resistant layer 12 is ceramic silicon rubber.
The thick lines are arranged in an annular array by taking the shaft of the protection part as a center, the thin lines are arranged in an annular array by taking the shaft of the protection part as a center, the thick lines are abutted against each other, the three thick lines surround a cavity 10, the thin lines are abutted against the two thick lines, and the thin lines are positioned outside the cavity 10.
Principle of embodiment:
the embodiment is applied indoors, when in fire, the interlocking armor 5 made of aluminum alloy plays a role in isolating flames, the calcined mica and the ceramic silicon rubber can resist high temperature of more than 1000 ℃, the ceramic silicon rubber releases less heat energy after combustion and is hardened after combustion without generating drips, the ceramic silicon rubber shrinks after combustion to reduce the inner diameter of the protection part, the filling rope 1 is compressed, the support pipe 7 is flattened, and air in the protection part is exhausted from the hole 6; cracking of the inner protective layer 2 and the outer protective layer 4 after combustion shrinkage is avoided.
The lead 9 is composed of a plurality of conductors with the diameter of 0.5mm, and the flexibility is good.
The supporting tube 7 can reduce the weight of the cable, and the shielding layer 3 can be made of copper mesh and the like.
Claims (7)
1. A light low-release no-dripping flexible fireproof frequency conversion cable comprises a conductive part, a protection part wrapped outside the conductive part, and a filling rope filled between the conductive part and the protection part, and is characterized in that,
the protective part comprises an inner protective layer, a shielding layer wrapped on the inner protective layer, an outer protective layer wrapped on the shielding layer and an interlocking armor wrapped on the outer protective layer;
the conductive part and the protection part are in clearance fit, a plurality of holes are formed in the upper side of the protection part, a plurality of supporting tubes are arranged in the filling rope, a plurality of second holes are formed in the supporting tubes, and the inner protection layer, the outer protection layer and the supporting tubes are all made of ceramic silicon rubber.
2. The light-weight, low-release, no-drip, flexible, fire-retardant, variable frequency cable of claim 1, wherein the interlocking armor is made of aluminum alloy.
3. The lightweight, low-release, drip-free, flexible, fire-rated, variable frequency cable of claim 1, wherein the conductive portion comprises six electrical wires, the electrical wires being divided into three thick wires and three thin wires, the electrical wires comprising a conductive wire, a fire barrier layer wrapped around the conductive wire, and a fire resistant layer wrapped around the fire barrier layer.
4. A light weight, low release, no drip, flexible fire rated variable frequency cable as claimed in claim 3 wherein said conductor is comprised of several 0.5mm diameter conductors.
5. The light-weight low-release no-drip flexible fireproof frequency conversion cable according to claim 3, wherein the material of the fire barrier layer is calcined mica.
6. The flexible fireproof frequency conversion cable with light weight, low release and no dripping as claimed in claim 3, wherein the material of the fire-resistant layer is ceramic silicone rubber.
7. The light weight, low release, no drip, flexible fire rated variable frequency cable of claim 3 wherein the thick wires are arranged in an annular array centered on the axis of the protective portion and the thin wires are arranged in an annular array centered on the axis of the protective portion, the thick wires abut against each other, three thick wires enclose a cavity, the thin wires abut against two thick wires, and the thin wires are located outside the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034283.5U CN213025451U (en) | 2020-09-16 | 2020-09-16 | Light-duty low-release dripping-free flexible fireproof variable frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034283.5U CN213025451U (en) | 2020-09-16 | 2020-09-16 | Light-duty low-release dripping-free flexible fireproof variable frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213025451U true CN213025451U (en) | 2021-04-20 |
Family
ID=75476842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022034283.5U Active CN213025451U (en) | 2020-09-16 | 2020-09-16 | Light-duty low-release dripping-free flexible fireproof variable frequency cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213025451U (en) |
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2020
- 2020-09-16 CN CN202022034283.5U patent/CN213025451U/en active Active
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