CN202871384U - Environmental-friendly and cleaning type low-voltage multi-core flame-resistant power cable - Google Patents
Environmental-friendly and cleaning type low-voltage multi-core flame-resistant power cable Download PDFInfo
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- CN202871384U CN202871384U CN 201220506286 CN201220506286U CN202871384U CN 202871384 U CN202871384 U CN 202871384U CN 201220506286 CN201220506286 CN 201220506286 CN 201220506286 U CN201220506286 U CN 201220506286U CN 202871384 U CN202871384 U CN 202871384U
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Abstract
Disclosed in the utility model is an environmental-friendly and cleaning type low-voltage multi-core flame-resistant power cable that comprises cable cores, a belting layer and an outer protection layer. The belting layer is wrapped on the cable cores and fillers are arranged between the belting layer and the cable cores; and the outer protection layer is wrapped on the belting layer. Besides, the cable cores are formed by copper conductors, ceramic silicone rubber flame retardant coatings and insulating layers, wherein the ceramic silicone rubber flame retardant coatings is wrapped on the copper conductors and the insulating layers are wrapped on the ceramic silicone rubber flame retardant coatings. According to the utility model, the power cable has advantages of simple structure, low production cost and good fire resistance. A hard housing is formed by ablation of high-temperature flames, thereby preventing the cable from being burned out and thus guaranteeing the security and smoothness of communication and power under the circumstances of fire disaster occurrence.
Description
Technical field
The utility model relates to low pressure fireproof power cable technical field, relates in particular to a kind of environment friendly and clean type low pressure multicore fireproof power cable.
Background technology
In the last few years, propelling along with urbanization and urban planning and construction, cable more options buried-pipe laying mode more in the transformation of urban distribution network and when building, the sharp increase of urban population, skyscraper, the hotel, large supermarket, hospital, the station, the airport constantly increases, subway, the construction of tunnel traffic, and large-scale Public Physical Education, the public place of entertainment, the increase of public transit facility, fire-fighting, the importance of fire safety shows especially out, how in the situation of breaking out of fire, ensure within a certain period of time the unimpeded of electric power and communication, win to greatest extent valuable rescue time, reduce personnel's injures and deaths and the loss of lives and properties and become people's problem in the urgent need to address.
At present, the fire-resisting cable that domestic and international common employing magnesium oxide mineral fire-proof insulation cable and mica tape twine goes to solve the above problems, but magnesium oxide mineral fire-proof insulation cable needs special manufacturing and processing equipment, material price is expensive, fund input is large, the production and processing difficulty, and inconvenience is laid and is installed and used in transportation, practical application is subject to restriction to a certain degree, is difficult to extensive popularizing and uses.And the fire-resisting cable that mica tape twines is owing to need in process of production multi-lay winding, add the process conditions restriction, cause easily overlapping the slot place defective to occur, and mica tape meeting embrittlement after burning, come off easily, cause fire-resistant weak effect, be difficult to ensure safe and smooth under fire condition of communication, electric power.
The utility model content
Technical problem to be solved in the utility model provides a kind of environment friendly and clean type low pressure multicore fireproof power cable, it is simple in structure, not only low production cost but also fire resistance are good, under the ablation of thermal-flame, form hard housing, prevent that cable is burned, ensured safe and smooth under fire condition of communication, electric power.
In order to solve the problems of the technologies described above, the technical scheme content that the utility model adopts is specific as follows:
A kind of environment friendly and clean type low pressure multicore fireproof power cable, it comprises cable core, belting layer and outer jacket; Described belting layer wraps up described cable core, and also is provided with filler between described belting layer and cable core; Described outer jacket is coated on the described belting layer; Described cable core is comprised of copper conductor, ceramic silicon rubber flame retardant coating and insulating barrier; Described ceramic silicon rubber flame retardant coating is coated on the described copper conductor; Described insulating barrier is coated on the described ceramic silicon rubber flame retardant coating.
Environment friendly and clean type low pressure multicore fireproof power cable of the present utility model is because its cable core has used ceramic silicon rubber flame retardant coating, not only with low cost, and under the ablation of flame, namely begin to sinter into the isolation layer of hard ceramic-like housing behind burning 1 ~ 2min, can effectively stop the cable that burns away of flame, fire resistance is good.
Preferably, the thickness of described ceramic silicon rubber flame retardant coating is 0.02D+1.0mm, and wherein said D is the external diameter of copper conductor.
Preferably, the quantity of described cable core is four.
For environmental protection; the smog that cable is produced in by the flame combustion 2 ~ 3min in early stage is nontoxic, Halogen; but also can play anti-effect of pressing protection; the effectively cost made of control cables and the difficulty that reduces cable laying; preferably, outer jacket is metal armouring associating low smoke, zero halogen outer jacket.
Preferably, described metal armouring associating low smoke, zero halogen outer jacket comprises low smoke, zero halogen polyolefin lining layer, zinc-plated or paint steel band armour, low smoke, zero halogen external sheath layer; Described low smoke, zero halogen polyolefin lining layer is wrapped on the described belting layer; Described zinc-plated or japanning steel band armour is wrapped on the described low smoke, zero halogen polyolefin lining layer; Described low smoke, zero halogen external sheath layer is wrapped on the described zinc-plated or japanning steel band armour.Wherein low smoke, zero halogen external sheath layer and low smoke, zero halogen polyolefin lining layer play environmental-protection function; make cable in the flame combustion 2 ~ 3min in early stage, produce smog nontoxic, Halogen; and zinc-plated or japanning steel band armour just plays anti-effect of pressing protection, effectively the cost made of control cables and the difficulty that reduces cable laying.
In order to improve the degree of packing of cable, reduce the burned rear cigarette amount that produces of cable, preferably, described belting layer is low smoke, zero halogen nonwoven fabrics belting layer.
Preferably, the thickness of described low smoke, zero halogen nonwoven fabrics belting layer is 0.2mm.
In order to improve the roundness of cable, laying of convenient cable further reduced the burned rear cigarette amount that produces of cable simultaneously, and preferably, described filler is the low smoke, zero halogen filler.
Need to prove, ceramic silicon rubber flame retardant coating is to add white carbon, silicone oil and other auxiliary agent in methyl silicone rubber, add vulcanizing agent through after mixing in mill, then pass through mold pressing, extrude making articles, pass through again high temperature vulcanized, possessed nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, electrical insulation capability that anti-marquis is aging, good, possessed simultaneously the good processing characteristics of common high temperature silicon rubber.
Compared with prior art, the utility model has produced following beneficial effect:
Environment friendly and clean type low pressure multicore fireproof power cable of the present utility model is because its cable core has used ceramic silicon rubber flame retardant coating, low production cost not only, and under the ablation of flame, namely begin to sinter into the isolation layer of hard ceramic-like housing behind burning 1 ~ 2min, can effectively stop the cable that burns away of flame, fire resistance is good.And; adopt metal armouring associating low smoke, zero halogen outer jacket, not only environmental protection, the smog that cable is produced in by the flame combustion 2 ~ 3min in early stage is nontoxic, Halogen; prevent pressing the effect of protecting but also can play, effectively the difficulty of the cost of control cables manufacturing and reduction cable laying.Simultaneously, adopt low smoke, zero halogen nonwoven fabrics belting layer, reduced the burned rear cigarette amount that produces of cable.The low smoke, zero halogen filler is filled between low smoke, zero halogen nonwoven fabrics belting layer and the cable core, not only can improves the roundness of cable, the laying of convenient cable, but also can further reduce the burned rear cigarette amount that produces of cable.
The utility model will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of environment friendly and clean type low pressure multicore fireproof power cable of the present utility model.
Wherein, 1, cable core; 11, copper conductor; 12, ceramic silicon rubber flame retardant coating; 13, insulating barrier; 2, filler; 3, belting layer; 4, outer jacket; 41, low smoke, zero halogen polyolefin lining layer; 42, zinc-plated or japanning steel band armour; 43, low smoke, zero halogen external sheath layer.
Embodiment
As shown in Figure 1, environment friendly and clean type low pressure multicore fireproof power cable of the present utility model, it comprises cable core 1, belting layer 3 and outer jacket 4; The described cable core 1 of described belting layer 3 parcels, and between described belting layer 3 and cable core 1, also be provided with filler 2; Described outer jacket 4 is coated on the described belting layer 3; Described cable core 1 is comprised of copper conductor 11, ceramic silicon rubber flame retardant coating 12 and insulating barrier 13; Described ceramic silicon rubber flame retardant coating 12 is coated on the described copper conductor 11; Described insulating barrier 13 is coated on the described ceramic silicon rubber flame retardant coating 12.
Environment friendly and clean type low pressure multicore fireproof power cable of the present utility model is because its cable core 1 has used ceramic silicon rubber flame retardant coating 12, not only with low cost, and under the ablation of flame, namely begin to sinter into the isolation layer of hard ceramic-like housing behind burning 1 ~ 2min, can effectively stop the cable that burns away of flame, fire resistance is good.
Particularly, the thickness of described ceramic silicon rubber flame retardant coating 12 is 0.02D+1.0mm, and wherein said D is the external diameter of copper conductor.
Particularly, the quantity of described cable core 1 is four.
For environmental protection; the smog that cable is produced in by the flame combustion 2 ~ 3min in early stage is nontoxic, Halogen; but also can play anti-effect of pressing protection; the effectively cost made of control cables and the difficulty that reduces cable laying; particularly, outer jacket 4 is metal armouring associating low smoke, zero halogen outer jacket.
Particularly, described metal armouring associating low smoke, zero halogen outer jacket comprises low smoke, zero halogen polyolefin lining layer 41, zinc-plated or paint steel band armour 42, low smoke, zero halogen external sheath layer 43; Described low smoke, zero halogen polyolefin lining layer 41 is wrapped on the described belting layer 3; Described zinc-plated or japanning steel band armour 42 is wrapped on the described low smoke, zero halogen polyolefin lining layer 41; Described low smoke, zero halogen external sheath layer 43 is wrapped on the described zinc-plated or japanning steel band armour 42.Wherein low smoke, zero halogen external sheath layer 43 and low smoke, zero halogen polyolefin lining layer 41 play environmental-protection function; make cable in the flame combustion 2 ~ 3min in early stage, produce smog nontoxic, Halogen; and zinc-plated or japanning steel band armour 42 just plays anti-effect of pressing protection, effectively the cost made of control cables and the difficulty that reduces cable laying.
In order to improve the degree of packing of cable, reduce the burned rear cigarette amount that produces of cable, particularly, described belting layer 3 is low smoke, zero halogen nonwoven fabrics belting layer.
Particularly, the thickness of described low smoke, zero halogen nonwoven fabrics belting layer is 0.2mm.
In order to improve the roundness of cable, laying of convenient cable further reduced the burned rear cigarette amount that produces of cable simultaneously, and particularly, described filler 2 is the low smoke, zero halogen filler.
Need to prove, ceramic silicon rubber flame retardant coating 12 is to add white carbon, silicone oil and other auxiliary agent in methyl silicone rubber, add vulcanizing agent through after mixing in mill, then pass through mold pressing, extrude making articles, pass through again high temperature vulcanized, possessed nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, electrical insulation capability that anti-marquis is aging, good, possessed simultaneously the good processing characteristics of common high temperature silicon rubber.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection range of the utility model claim all.
Claims (8)
1. environment friendly and clean type low pressure multicore fireproof power cable, it is characterized in that: it comprises cable core, belting layer and outer jacket; Described belting layer wraps up described cable core, and also is provided with filler between described belting layer and cable core; Described outer jacket is coated on the described belting layer; Described cable core is comprised of copper conductor, ceramic silicon rubber flame retardant coating and insulating barrier; Described ceramic silicon rubber flame retardant coating is coated on the described copper conductor; Described insulating barrier is coated on the described ceramic silicon rubber flame retardant coating.
2. environment friendly and clean type low pressure multicore fireproof power cable as claimed in claim 1, it is characterized in that: the thickness of described ceramic silicon rubber flame retardant coating is 0.02D+1.0mm, wherein said D is the external diameter of copper conductor.
3. environment friendly and clean type low pressure multicore fireproof power cable as claimed in claim 1, it is characterized in that: the quantity of described cable core is four.
4. such as any one described environment friendly and clean type low pressure multicore fireproof power cable of claim 1-3, it is characterized in that: described outer jacket is metal armouring associating low smoke, zero halogen outer jacket.
5. environment friendly and clean type low pressure multicore fireproof power cable as claimed in claim 4 is characterized in that: described metal armouring associating low smoke, zero halogen outer jacket comprises low smoke, zero halogen polyolefin lining layer, zinc-plated or japanning steel band armour, low smoke, zero halogen external sheath layer; Described low smoke, zero halogen polyolefin lining layer is wrapped on the described belting layer; Described zinc-plated or japanning steel band armour is wrapped on the described low smoke, zero halogen polyolefin lining layer; Described low smoke, zero halogen external sheath layer is wrapped on the described zinc-plated or japanning steel band armour.
6. environment friendly and clean type low pressure multicore fireproof power cable as claimed in claim 5, it is characterized in that: described belting layer is low smoke, zero halogen nonwoven fabrics belting layer.
7. environment friendly and clean type low pressure multicore fireproof power cable as claimed in claim 6, it is characterized in that: the thickness of described low smoke, zero halogen nonwoven fabrics belting layer is 0.2mm.
8. environment friendly and clean type low pressure multicore fireproof power cable as claimed in claim 6, it is characterized in that: described filler is the low smoke, zero halogen filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506286 CN202871384U (en) | 2012-09-28 | 2012-09-28 | Environmental-friendly and cleaning type low-voltage multi-core flame-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506286 CN202871384U (en) | 2012-09-28 | 2012-09-28 | Environmental-friendly and cleaning type low-voltage multi-core flame-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871384U true CN202871384U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220506286 Expired - Lifetime CN202871384U (en) | 2012-09-28 | 2012-09-28 | Environmental-friendly and cleaning type low-voltage multi-core flame-resistant power cable |
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| Country | Link |
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| CN (1) | CN202871384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986974A (en) * | 2018-06-27 | 2018-12-11 | 金杯电工衡阳电缆有限公司 | 1500 DEG C of superhigh temperature fire-resisting cables |
-
2012
- 2012-09-28 CN CN 201220506286 patent/CN202871384U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986974A (en) * | 2018-06-27 | 2018-12-11 | 金杯电工衡阳电缆有限公司 | 1500 DEG C of superhigh temperature fire-resisting cables |
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20130410 |