CN204463904U - A kind of fire-resisting cable - Google Patents
A kind of fire-resisting cable Download PDFInfo
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- CN204463904U CN204463904U CN201520136958.3U CN201520136958U CN204463904U CN 204463904 U CN204463904 U CN 204463904U CN 201520136958 U CN201520136958 U CN 201520136958U CN 204463904 U CN204463904 U CN 204463904U
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Abstract
The utility model provides a kind of fire-resisting cable, it is characterized in that: cable core is from inside to outside successively by conductor, conductor screen, insulating barrier, copper strip shielding is formed, cable core is outside equipped with packed layer, packed layer outer setting has band, band outer setting has inorganic flame retardant coating, inorganic refractory layer outer setting has copper sheath, copper sheath outer setting has synthetic mica layer, synthetic mica layer outer setting has aluminum alloy strip, aluminum alloy strip outer setting has external protection, product is provided with two-layer refractory material protective sleeve, when a fire, when in fire, cable is persistently overheating, because aluminium alloy fusing point is low, aluminium alloy melts drippage, a large amount of heats can be absorbed, flame retardant coating is effectively protected, after aluminium alloy flame retardant coating is destroyed, owing to there being the existence of copper strip shielding layer, effectively can ensure that cable core is not damaged, copper sheath inside is provided with inorganic refractory layer simultaneously, can effectively completely cut off the damage of external heat source to cable core.
Description
Technical field
The utility model relates to electricity, the essential electronic element that metal wire or metal tape make, and uses insulated electric conductor or the cable of fire proofing, espespecially a kind of fire-resisting cable.
Background technology
Fire-resisting cable refers to, under regulation experimental condition, sample is burned in flame, still can keep the normal performance run within a certain period of time, its basic characteristic is exactly, cable still can maintain the normal work of this circuit a period of time under burning condition, be exactly generally, just in case catch fire, cable can not once just burn, loop is safer, therefore the main distinction of fire-resisting cable and flame retardant cable is, fire-resisting cable can maintain the normal power supply of a period of time when fire occurs, and flame retardant cable does not possess this characteristic, this feature determines that fire-resisting cable plays an important role in modern metropolitan cities and industrial building, because once fire occurs, control, monitor, the system power supply loops such as guiding and warning must maintain normal work, therefore, this cable is mainly used in emergency power supply to user's fire-fighting equipment, fire alarm, ventilation smoke exhaust equipment, leading lamp, Emergency Power socket, the current supply circuits such as Emergency Elevator.
The structure of fire-resisting cable is substantially identical with common cable, difference is that the conductor of fire-resisting cable adopts the copper conductor (fusing point of copper is 1083 DEG C) that fire resistance is good, fire-resisting cable is used as the current supply circuit of emergency power supply mostly, require normally to work during fire, because ambient temperature during fire sharply rises, for ensureing the transmission capacity of circuit, reduce pressure drop, for supply line head and considered critical allows the loop of voltage drop, fire-resisting cable cross section at least should be amplified one grade.
The fire-resisting cable of prior art only has one deck refractory material usually, refractory material outer cladding copper sheathing part, and such structural design can meet general fire-resistant environment, if the burning continued or the too fast power-on time often shortening fire-resisting cable that heats up.
Summary of the invention
A kind of fire-resisting cable is provided for the problems referred to above the utility model, this product structure reasonable standard, easy for installation, by the structural design of two-layer flame retardant coating, can effectively prevent cable to be burned, to the cable overdoed for a long time, be dripped by the thawing of aluminum alloy strip, effectively can ensure the continued power of cable core, simultaneously can be effectively heat insulation by the design of heat insulating coat.
For solving the problem, the utility model provides a kind of fire-resisting cable, comprise outer jointing jacket, aluminum alloy strip, synthetic mica layer, copper sheath, inorganic refractory layer, band, packed layer, conductor, it is characterized in that: cable core is from inside to outside successively by conductor, conductor screen, insulating barrier, copper strip shielding is formed, cable core is outside equipped with packed layer, packed layer outer setting has band, band outer setting has inorganic flame retardant coating, inorganic refractory layer outer setting has copper sheath, copper sheath outer setting has synthetic mica layer, synthetic mica layer outer setting has aluminum alloy strip, aluminum alloy strip outer setting has outer jointing jacket.
As further improvement of the utility model, described copper sheath outer surface is coated with refractory inorganic paint.
As further improvement of the utility model, described aluminum alloy strip outer surface is coated with organic silicon coating.
As further improvement of the utility model, described copper strip shielding layer outer surface is coated with refractory inorganic paint.
As further improvement of the utility model, described packed layer is glass-silk rope.
As further improvement of the utility model, described outer jointing jacket is fluoroplastics.
As further improvement of the utility model, described synthetic mica layer is that multilayer Mica tape forms.
Operation principle:
Product of the present utility model is provided with two-layer refractory material protective sleeve, when a fire, because outer jointing jacket is made by fluoroplastics, there is good fire resistance, effectively can protect internal structure, fusing point due to aluminum alloy strip is 660 DEG C, when in fire, cable is persistently overheating, because aluminium alloy fusing point is low, aluminium alloy melts drippage, a large amount of heats can be absorbed, aluminium alloy outer surface is coated with organic silicon coating simultaneously, effectively can completely cut off thermal source, flame retardant coating is effectively protected, because the fusing point of copper is 1083 DEG C, after aluminium alloy flame retardant coating is destroyed, owing to there being the existence of copper strip shielding layer, effectively can ensure that cable core is not damaged, copper sheath inside is provided with inorganic refractory layer simultaneously, can effectively completely cut off the damage of external heat source to cable core.
The utility model compared with prior art has following beneficial effect:
1, product of the present utility model is provided with two-layer refractory material, ground floor refractory material is the aluminium alloy of lightweight, the light fusing point of quality is low, second layer refractory material is inorganic fire proof material and copper sheath, fusing point is high, good heat-insulation effect, can guarantee that ground floor refractory material melts second layer refractory material later and cable core still can be kept not to be compromised;
2, the utility model is all coated with insulating moulding coating at aluminum alloy strip and copper sheath, can effectively protect aluminum alloy strip and copper sheath, strengthens the fire-resistant effect of cable;
3, outer jointing jacket is fluoroplastics, and fluoroplastics fusing point high energy effectively protects cable.
Accompanying drawing explanation
Fig. 1 is a kind of fire-resisting cable cross-sectional view;
1-copper strip shielding in figure; 2-insulating barrier; 3-conductor screen; 4-conductor; 5-outer jointing jacket; 6-organic silicon coating; 7-aluminum alloy strip; 8-synthetic mica layer; 9-refractory inorganic paint; 10-copper sheath; 11-inorganic refractory layer; 12-band; 13-packed layer.
Embodiment
below in conjunction with the accompanying drawing in the utility model embodiment; technical scheme in the utility model embodiment is clearly and completely described; obviously; described embodiment is only the utility model part embodiment; instead of whole embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisite; the every other embodiment obtained, all belongs to the utility model protection range.
embodiment 1
A kind of fire-resisting cable as shown in Figure 1, comprise outer jointing jacket 5, aluminum alloy strip 7, synthetic mica layer 8, copper sheath 10, inorganic refractory layer 11, band 12, packed layer 13, conductor 4, it is characterized in that: cable core is from inside to outside successively by conductor 4, conductor screen 3, insulating barrier 2, copper strip shielding 1 is formed, cable core is outside equipped with packed layer 13, packed layer 13 outer setting has band 12, band 12 outer setting has inorganic flame retardant coating 11, inorganic refractory layer 11 outer setting has copper sheath 10, copper sheath 10 outer setting has synthetic mica layer 8, synthetic mica layer 8 outer setting has aluminum alloy strip 7, aluminum alloy strip 7 outer setting has outer jointing jacket 5, product of the present utility model is provided with two-layer refractory material protective sleeve, when a fire, because outer jointing jacket is made by fluoroplastics, there is good fire resistance, effectively can protect internal structure, fusing point due to aluminum alloy strip is 660 DEG C, when in fire, cable is persistently overheating, because aluminium alloy fusing point is low, aluminium alloy melts drippage, a large amount of heats can be absorbed, aluminium alloy outer surface is coated with organic silicon coating simultaneously, effectively can completely cut off thermal source, flame retardant coating is effectively protected, because the fusing point of copper is 1083 DEG C, after aluminium alloy flame retardant coating is destroyed, owing to there being the existence of copper strip shielding layer, effectively can ensure that cable core is not damaged, copper sheath inside is provided with inorganic refractory layer simultaneously, can effectively completely cut off the damage of external heat source to cable core.
Further, described copper sheath 10 outer surface is coated with inorganic refractory high-temperature coatings 9, and refractory inorganic paint has good effect of heat insulation.
Further, described aluminum alloy strip 7 outer surface is coated with organic silicon coating 6, organic silicon coating there is effect of heat insulation, can slow down aluminium alloy melt time.
Further, described copper strip shielding layer 1 outer surface is coated with refractory inorganic paint 9, further isolated heat, protection cable core.
Further, described packed layer 13 is glass-silk rope, and glass-silk rope has the endothermic effect perfected, can effectively by the heat absorption of cable core.
Further, described outer jointing jacket 5 is fluoroplastics, and fluoroplastics have high-melting-point and flame retardant effect.
Further, described synthetic mica layer 8 forms for multilayer Mica tape, and multi layer cloud parent structure effectively can carry out isolated heat.
Claims (7)
1. a fire-resisting cable, comprise outer jointing jacket (5), aluminum alloy strip (7), synthetic mica layer (8), copper sheath (10), inorganic refractory layer (11), band (12), packed layer (13), conductor (4), it is characterized in that: cable core is from inside to outside successively by conductor (4), conductor screen (3), insulating barrier (2), copper strip shielding (1) is formed, cable core is outside equipped with packed layer (13), packed layer (13) outer setting has band (12), band (12) outer setting has inorganic flame retardant coating (11), inorganic refractory layer (11) outer setting has copper sheath (10), copper sheath (10) outer setting has synthetic mica layer (8), synthetic mica layer (8) outer setting has aluminum alloy strip (7), aluminum alloy strip (7) outer setting has outer jointing jacket (5).
2. a kind of fire-resisting cable is characterized in that according to claim 1: described copper sheath (10) outer surface is coated with refractory inorganic paint (9).
3. a kind of fire-resisting cable is characterized in that according to claim 2: described aluminum alloy strip (7) outer surface is coated with organic silicon coating (6).
4. a kind of fire-resisting cable is characterized in that according to claim 3: described copper strip shielding layer (1) outer surface is coated with refractory inorganic paint (9).
5. a kind of fire-resisting cable is characterized in that according to claim 4: described packed layer (13) is glass-silk rope.
6. a kind of fire-resisting cable is characterized in that according to claim 5: described outer jointing jacket (5) is fluoroplastics.
7. a kind of fire-resisting cable is characterized in that according to claim 6: described synthetic mica layer (8) forms for multilayer Mica tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520136958.3U CN204463904U (en) | 2015-03-11 | 2015-03-11 | A kind of fire-resisting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520136958.3U CN204463904U (en) | 2015-03-11 | 2015-03-11 | A kind of fire-resisting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204463904U true CN204463904U (en) | 2015-07-08 |
Family
ID=53670755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520136958.3U Expired - Fee Related CN204463904U (en) | 2015-03-11 | 2015-03-11 | A kind of fire-resisting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204463904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863339A (en) * | 2020-07-16 | 2020-10-30 | 江苏帝诚线缆有限公司 | Fire monitoring system and anti-interference photoelectric signal synchronous transmission cable for monitoring |
| CN114628072A (en) * | 2022-03-22 | 2022-06-14 | 安徽华星电缆集团有限公司 | Flame-retardant and fire-resistant cable structure and aluminum alloy cable applying same |
-
2015
- 2015-03-11 CN CN201520136958.3U patent/CN204463904U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863339A (en) * | 2020-07-16 | 2020-10-30 | 江苏帝诚线缆有限公司 | Fire monitoring system and anti-interference photoelectric signal synchronous transmission cable for monitoring |
| CN114628072A (en) * | 2022-03-22 | 2022-06-14 | 安徽华星电缆集团有限公司 | Flame-retardant and fire-resistant cable structure and aluminum alloy cable applying same |
| CN114628072B (en) * | 2022-03-22 | 2024-01-05 | 安徽华星电缆集团有限公司 | Flame-retardant fire-resistant cable structure and aluminum alloy cable using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 650000 Yunnan Province, Kunming city high tech Development Zone Jinpu Street Office No. 88 Wen Xing Lu Patentee after: Yunnan Duobao cable Limited by Share Ltd Address before: 650000 Yunnan Province, Kunming city high tech Development Zone Jinpu Street Office No. 88 Wen Xing Lu Patentee before: Kunming Duo Bao Cable Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 650000 Yunnan Province, Kunming city high tech Development Zone Jinpu Street Office No. 88 Wen Xing Lu Patentee after: Yunnan Duobao cable group Limited by Share Ltd Address before: 650000 Yunnan Province, Kunming city high tech Development Zone Jinpu Street Office No. 88 Wen Xing Lu Patentee before: Yunnan Duobao cable Limited by Share Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |