CN209447607U - A kind of High-flame-retardancfireproof fireproof power cable - Google Patents
A kind of High-flame-retardancfireproof fireproof power cable Download PDFInfo
- Publication number
- CN209447607U CN209447607U CN201920406183.5U CN201920406183U CN209447607U CN 209447607 U CN209447607 U CN 209447607U CN 201920406183 U CN201920406183 U CN 201920406183U CN 209447607 U CN209447607 U CN 209447607U
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- China
- Prior art keywords
- layer
- air bag
- inner core
- cable
- nanometer air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses kind of a High-flame-retardancfireproof fireproof power cable, including cable inner core and the external protection being wrapped in outside cable inner core, outer jointing jacket layer material be, the mixture of cold-resistant PVC mixing material, vulcanized rubber and acrylic rubber；A nanometer air bag reflection layer is provided between the cable inner core and external protection; and blister cavities is filled in the nanometer air bag reflection layer; filled with fire-retardant gas in the blister cavities, combustion-supporting gas can be heptafluoro-propane, mixed gas IG541, carbon dioxide, inert gas etc.；In nanometer air bag reflection layer, the outside of the cable inner core is enclosed with the insulated liner layer that material is crosslinked polyethylene.
Description
Technical field
The utility model belongs to power Transmission technical field, is related to a kind of cable, refers in particular to a kind of High-flame-retardancfireproof fireproof electric power electricity
Cable.
Background technique
Wires and cables industry is the second largest industry that China is only second to automobile industry, product variety satisfaction rate and domestic market
Occupation rate is more than 90%.Worldwide, the Chinese wire and cable ancestor output value has been more than the U.S., becomes the first big electricity in the world
Line cable producing country.In the development that science and technology is with rapid changepl. never-ending changes and improvements, for the considerations of using cable safety, such as flame retardant property,
And the promotion of production efficiency, the interior structure needs of cable are continuously improved and are continuing to optimize improvement.
With the fast development of national economy and the continuous improvement of living standards of the people, society's electricity consumption amount is greatly increased.Respectively
The steep increasing of kind electrical equipment consumption, electrical fire accident also increase severely therewith.According to statistics, fire occurs every year for China ten thousand about more than ten
It rises, more than 10 hundred million yuan of direct property loss.Wherein, caused by electrical causes such as wire and cable short circuit, excess load, electrical equipment failures
Fire account for about sum 30%, the frequency of electrical fire and caused loss occupy first of all kinds of fire.In electricity
In gas fire, half is accounted for about by the fire that wire and cable causes.Therefore more next about the flame-retarding problem people of wire and cable
More pay attention to, it is also higher and higher to the flame-retardancy requirements of wire and cable.
Summary of the invention
In view of the deficienciess of the prior art, can be helped simply and efficiently the purpose of this utility model is to provide a kind of structure
Fire fireproof power cable.
To achieve the above object, the utility model provides following technical solution: a kind of High-flame-retardancfireproof fireproof power cable, packet
The external protection for including cable inner core and being wrapped in outside cable inner core, outer jointing jacket layer material are, cold-resistant PVC mixing material, vulcanize
The mixture of rubber and acrylic rubber；A nanometer air bag reflection is provided between the cable inner core and external protection
Layer, and is filled with blister cavities in the nanometer air bag reflection layer, and filled with fire-retardant gas in the blister cavities, combustion-supporting gas can be with
For heptafluoro-propane, mixed gas IG541, carbon dioxide, inert gas etc.；In nanometer air bag reflection layer, the cable
The outside of inner core is enclosed with the insulated liner layer that material is crosslinked polyethylene.
: it is filling out for exterior insulation that material is provided between the insulated liner layer and nanometer air bag reflection layer
Layer is filled, and is provided with the fire-retardant particle that material is polyethylene in the filled layer.
By using above-mentioned technical solution, a nanometer air bag reflection layer is provided between cable inner core and external protection,
To play good heat-insulating flame-retardant and corrosion resistant effect；And it is filled with blister cavities in nanometer air bag reflection layer, described
Filled with fire-retardant gas in blister cavities, fire-retardant gas can be heptafluoro-propane, mixed gas IG541, carbon dioxide, inert gas etc.
Deng to further improve the flame retardant effect of cable entirety；In nanometer air bag reflection layer, the external package of cable inner core
Having material is the insulated liner layer of crosslinked polyethylene, plays good insulation protection to cable inner core in the past.
The filled layer that material is exterior insulation is provided between insulated liner layer and nanometer air bag reflection layer, from
And can improve cable entirety fire protection flame retarding and heat-insulated performance, and fire-retardant for being provided in filled layer that material is polyethylene
Grain, to can be further improved the flame retardant effect for improving filled layer.
The utility model is further arranged to: being provided with material between the external protection and nanometer air bag reflection layer
For ethylene propylene diene rubber flexible cover sheet.
By using above-mentioned technical solution, material is three are provided between external protection and nanometer air bag reflection layer
The flexible cover sheet of first EP rubbers to improve the resistances to ag(e)ing such as the ozone of cable entirety, heat-resisting, weather-proof, and then ensures electricity
The service life of cable entirety.
The utility model is further arranged to: being provided with metallic shield between the external protection and flexible cover sheet
Layer.
By using above-mentioned technical solution, metal screen layer is provided between external protection and flexible cover sheet, from
And the anti-interference ability of cable entirety can be improved, and then ensure the practicability of cable entirety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Label and corresponding component names in attached drawing: 1- cable inner core, 2- external protection, 3- nanometers of air bag reflection layers, 4-
Insulated liner layer, 5- filled layer, the fire-retardant particle of 6-, 7- flexible cover sheet, 8- metal screen layer, 9- blister cavities.
Specific embodiment
One embodiment of the utility model is described further referring to Fig.1.
A kind of High-flame-retardancfireproof fireproof power cable, including cable inner core 1 and the external protection 2 being wrapped in outside cable inner core 1, outside
Protection jacket layer material be, the mixture of cold-resistant PVC mixing material, vulcanized rubber and acrylic rubber；In the cable
It is provided with a nanometer air bag reflection layer 3 between core 1 and external protection 2, and is filled with blister cavities 9 in the nanometer air bag reflection layer 3,
Filled with fire-retardant gas in the blister cavities 9, combustion-supporting gas can be heptafluoro-propane, mixed gas IG541, carbon dioxide, lazy
Property gas etc.；In nanometer air bag reflection layer 3, it is crosslinked polyethylene that the outside of the cable inner core 1, which is enclosed with material,
Insulated liner layer 4.
By being provided with a nanometer air bag reflection layer 3 between cable inner core 1 and external protection 2, thus play it is good every
Thermal resistance combustion and corrosion resistant effect；And it is filled with blister cavities 9 in nanometer air bag reflection layer 3, filled with fire-retardant in the blister cavities 9
Gas, fire-retardant gas can be heptafluoro-propane, mixed gas IG541, carbon dioxide, inert gas etc., to further mention
The high flame retardant effect of cable entirety；In nanometer air bag reflection layer 3, the outside of cable inner core 1 is enclosed with material as crosslinking
The insulated liner layer 4 of polyethylene, plays good insulation protection to cable inner core 1 in the past.
It is exterior insulation that material is provided between the insulated liner layer 4 and nanometer air bag reflection layer 3
Filled layer 5, and the fire-retardant particle 6 that material is polyethylene is provided in the filled layer 5.
It is filling out for exterior insulation by being provided with material between insulated liner layer 4 and nanometer air bag reflection layer 3
Fill layer 5, so as to improve cable entirety fire protection flame retarding and heat-insulated performance, and being provided in filled layer 5 material is poly- second
The fire-retardant particle 6 of alkene, to can be further improved the flame retardant effect for improving filled layer 5.
The utility model is further arranged to: being provided with material between the external protection 2 and nanometer air bag reflection layer 3
The flexible cover sheet 7 for the ethylene propylene diene rubber that matter is.
By using above-mentioned technical solution, material is provided between external protection 2 and nanometer air bag reflection layer 3
The flexible cover sheet 7 of ethylene propylene diene rubber to improve the resistances to ag(e)ing such as the ozone of cable entirety, heat-resisting, weather-proof, and then ensures
The service life of cable entirety.
The utility model is further arranged to: being provided with metal screen between the external protection 2 and flexible cover sheet 7
Cover layer 8.
By using above-mentioned technical solution, metal screen layer 8 is provided between external protection 2 and flexible cover sheet 7,
So as to improve the anti-interference ability of cable entirety, and then ensure the practicability of cable entirety.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (3)
1. a kind of High-flame-retardancfireproof fireproof power cable including cable inner core (1) and is wrapped in the external protection of cable inner core (1) outside
(2), it is characterized in that: being provided with a nanometer air bag reflection layer (3) between the cable inner core (1) and external protection (2), and institute
Blister cavities (9) are filled in the nanometer air bag reflection layer (3) stated, filled with carbon dioxide in the blister cavities (9)；In nanometer air bag
The outside of interior, the described cable inner core (1) in reflecting layer (3) is enclosed with insulated liner layer (4)；In the insulated liner layer (4)
It is provided between nanometer air bag reflection layer (3) filled layer (5), and is provided with fire-retardant particle in the filled layer (5)
(6)。
2. a kind of High-flame-retardancfireproof fireproof power cable according to claim 1, it is characterized in that: in the external protection (2)
Flexible cover sheet (7) are provided between nanometer air bag reflection layer (3).
3. a kind of High-flame-retardancfireproof fireproof power cable according to claim 2, it is characterized in that: in the external protection (2)
Metal screen layer (8) are provided between flexible cover sheet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406183.5U CN209447607U (en) | 2019-03-28 | 2019-03-28 | A kind of High-flame-retardancfireproof fireproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406183.5U CN209447607U (en) | 2019-03-28 | 2019-03-28 | A kind of High-flame-retardancfireproof fireproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447607U true CN209447607U (en) | 2019-09-27 |
Family
ID=68034146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920406183.5U Expired - Fee Related CN209447607U (en) | 2019-03-28 | 2019-03-28 | A kind of High-flame-retardancfireproof fireproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209447607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899942A (en) * | 2020-07-15 | 2020-11-06 | 安徽瑞莱尔仪表有限公司 | Flame-retardant power cable |
-
2019
- 2019-03-28 CN CN201920406183.5U patent/CN209447607U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899942A (en) * | 2020-07-15 | 2020-11-06 | 安徽瑞莱尔仪表有限公司 | Flame-retardant power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317100 Puba Port Town, Sanmen County, Taizhou City, Zhejiang Province (Sanmen Coastal Industrial City, Zhejiang Province) Patentee after: Zhejiang guanglai Electric Co.,Ltd. Address before: 317100 Puba Port Town, Sanmen County, Taizhou City, Zhejiang Province (Sanmen Coastal Industrial City, Zhejiang Province) Patentee before: ZHEJIANG GUANGLAI ELECTRIC Co.,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: 20190927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |