CN202563962U - Novel flexible fireproof power cable - Google Patents
Novel flexible fireproof power cable Download PDFInfo
- Publication number
- CN202563962U CN202563962U CN2012202082680U CN201220208268U CN202563962U CN 202563962 U CN202563962 U CN 202563962U CN 2012202082680 U CN2012202082680 U CN 2012202082680U CN 201220208268 U CN201220208268 U CN 201220208268U CN 202563962 U CN202563962 U CN 202563962U
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- cable core
- cable
- power cable
- novel flexible
- glass fiber
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Abstract
The utility model discloses a novel flexible fireproof power cable. The novel flexible fireproof power cable includes a cable core group, a mineral asbestos cord filling layer, a second glass tape layer, and ceramic silicon gel sheath layer from inside out successively. The cable core group includes one to five cable cores, mica mine tapes, ceramic silicon gel insulating layers and first glass tape layers. The mica mine tapes, the ceramic silicon gel insulating layers and the first glass tape layers wrap all the cable cores respectively. The novel flexible fireproof power cable provided by the utility model overcomes a shortcoming of poor fire-resisting performance and poor flexibility of a prior power cable, and has characteristics of high fire-resisting temperature, high fire-resisting durability, simple manufacturing technique, good flexibility and convenient usage and installation.
Description
Technical field
The utility model belongs to the power cable field, is specifically related to a kind of novel flexible fire prevention power cable.
Background technology
At present, a kind of fireproof cable that generally uses is copper pipe mineral cables, and cable core is that single copper conductor forms single core or multicore; Skin is the copper pipe of using as sheath, makes separator by magnesia between copper conductor and the copper pipe, though simple in structure; Can prevent fires, but need repeated annealing, drawing, labour intensity is big; Not only hardness is very big, and has increased construction cost and time; In addition, what also have to adopt is that magnesia mineral fire-proof insulation and mica tape twine and reach fire-resistant requirement, but owing to the outer jacket of magnesia fire-proof insulation cable has special requirement; Aspect practical application, receive restriction to a certain degree, and the refractory material that mica tape twines, because the restriction of technology; Often be prone to cause overlapping the slot place defective to occur, morning glow master tape embrittlement comes off easily; Also cause fire-resistant weak effect, at present, the fireproof cable that oneself knows; Time that can be fire-resistant does not all surpass 90 minutes, is difficult to the effect that reaches desirable.
The utility model content
The technical problem that the utility model will solve is a shortcoming poor to existing power cable fire resistance, the flexibility difference, and a kind of novel flexible fire prevention power cable that a kind of refractory temperature is high, fire resistance period is long, manufacturing process is simple, flexibility is good, easy to install and use is provided.
In order to solve the problems of the technologies described above; The utility model provides following technical scheme: a kind of novel flexible fire prevention power cable; Wherein, Comprise cable core group, mineral stone cotton cord packed layer, the second glass fiber belt, potteryization silica gel restrictive coating from the inside to the outside successively, the cable core group includes 1～5 cable core, mica mineral band, potteryization silicone insulation layer and the first glass fiber belt, and mica mineral band, potteryization silicone insulation layer, the first glass fiber belt are wrapped in outside the single cable core successively.
Adopt a kind of novel flexible fire prevention power cable of the utility model technical scheme; Comprise cable core group, mineral stone cotton cord packed layer, the second glass fiber belt, potteryization silica gel restrictive coating from the inside to the outside successively; The cable core group includes 1～5 cable core, mica mineral band, potteryization silicone insulation layer and the first glass fiber belt; Mica mineral band, potteryization silicone insulation layer, the first glass fiber belt are wrapped in outside the single cable core successively; Potteryization silicone insulation layer, potteryization silica gel restrictive coating have possessed the performance of common silica gel under the normal temperature state, softness, and in the time of 600～1300 ℃, can be cured as hard pottery; Play anti-fire action; Mica mineral band, the first glass fiber belt, mineral stone cotton cord packed layer, the second glass fiber belt are the fire protecting performance excellent material to be formed, so refractory temperature is high, manufacture craft is simple, flexibility good, and easy to install.
Further, a kind of novel flexible fire prevention power cable, wherein, the described cable core many copper cash bundles strands of serving as reasons form, and the area of section of cable core is 1.5～400 ㎜
2The more single copper conductor of cable core of many copper cash bundle strands is soft, helps installing and using.
Further, a kind of novel flexible fire prevention power cable, wherein, described mica mineral band is to be suppressed on the glass fiber guipure by mica powder to form.Mica powder has insulating properties, characteristics such as high temperature resistant, and it is suppressed on the glass fiber guipure, is convenient to processing, and intensive even distribution, helps further fire prevention.
Adopt a kind of novel flexible fire prevention power cable of the utility model technical scheme, when surrounding environment is in just often, cable core, potteryization silicone insulation layer, the potteryization silica gel restrictive coating that the copper cash of bundle strand is formed all guaranteed the flexibility of cable; When the power cable surrounding environment was caught fire, at first, outermost potteryization silica gel restrictive coating can at first be prevented fires; Form hard pottery, avoid the internal material calcination, when the too high feasible potteryization silica gel restrictive coating of temperature the crack occurs or damages; The mineral stone cotton cord packed layer and the second glass fiber belt are further prevented fires; And the first glass fiber belt, potteryization silicone insulation layer and mica mineral band are finally protected cable core, avoid cable core to receive the influence of flame high temperature, keep energising; Can bear 950 ℃ of high temperature; Under the situation that has bump or water to drench, safe power supply is about 3 hours, and refractory temperature is high, fire resistance period is long, manufacturing process is simple, easy to install and use.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model technical scheme is further specified:
Fig. 1 is the section structure sketch map of a kind of novel flexible fire prevention of the utility model power cable embodiment.
Embodiment
As shown in Figure 1; A kind of novel flexible fire prevention of the utility model power cable; Wherein, Comprise cable core group, mineral stone cotton cord packed layer 5, the second glass fiber belt 6, potteryization silica gel restrictive coating 7 from the inside to the outside successively, the cable core group includes 1～5 cable core 1, mica mineral band 2, potteryization silicone insulation layer 3 and the first glass fiber belt 4, and mica mineral band 2, potteryization silicone insulation layer 3, the first glass fiber belt 4 are wrapped in outside the single cable core 1 successively; The cable core 1 many copper cash 8 bundle strand of serving as reasons forms, and the diameter of cable core 1 is 1.5～400 ㎜
2Mica mineral band 2 is to be suppressed on the glass fiber guipure by mica powder to form.
In the practical implementation process, the cable core group is made up of three cable cores 1, and the area of section of cable core 1 is 10 ㎜
2, certainly, if the cable core group adopts one, two, four, five cable cores 1 to form, the area of section of cable core 1 is 1.5～400 ㎜
2In wherein arbitrary data, also within the rights protection scope, when the power cable surrounding environment is caught fire; At first, outermost potteryization silica gel restrictive coating 7 can at first be prevented fires, and forms hard pottery; Avoid the internal material calcination; When the too high feasible potteryization silica gel restrictive coating 7 of temperature the crack occurred or damages, the second glass fiber belt 6 further prevent fires with mineral stone cotton cord packed layer 5, and the first glass fiber belt 4, potteryization silicone insulation layer 3 and mica mineral band 2 are finally protected cable cores 1; Avoid cable core 1 to receive the influence of flame high temperature, keep keeping energising by the cable core 1 that copper cash 8 bundle strands form.
For a person skilled in the art; Under the prerequisite that does not break away from the utility model structure; Can also make some distortion and improvement, these also should be regarded as the protection range of the utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (3)
1. novel flexible fire prevention power cable; It is characterized in that: comprise cable core group, mineral stone cotton cord packed layer, the second glass fiber belt, potteryization silica gel restrictive coating from the inside to the outside successively; The cable core group includes 1～5 cable core, mica mineral band, potteryization silicone insulation layer and the first glass fiber belt, and mica mineral band, potteryization silicone insulation layer, the first glass fiber belt are wrapped in outside the single cable core successively.
2. a kind of novel flexible fire prevention power cable as claimed in claim 1 is characterized in that: the described cable core many copper cash bundles strands of serving as reasons form, and the area of section of cable core is 1.5～400 ㎜
2
3. a kind of novel flexible fire prevention power cable as claimed in claim 1, it is characterized in that: described mica mineral band is to be suppressed on the glass fiber guipure by mica powder to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202082680U CN202563962U (en) | 2012-05-10 | 2012-05-10 | Novel flexible fireproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202082680U CN202563962U (en) | 2012-05-10 | 2012-05-10 | Novel flexible fireproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202563962U true CN202563962U (en) | 2012-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202082680U Expired - Fee Related CN202563962U (en) | 2012-05-10 | 2012-05-10 | Novel flexible fireproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202563962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413608A (en) * | 2013-07-22 | 2013-11-27 | 浙江万马电缆股份有限公司 | High temperature resistant flexible cable for metallurgy and sheathing material thereof |
-
2012
- 2012-05-10 CN CN2012202082680U patent/CN202563962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413608A (en) * | 2013-07-22 | 2013-11-27 | 浙江万马电缆股份有限公司 | High temperature resistant flexible cable for metallurgy and sheathing material thereof |
| CN103413608B (en) * | 2013-07-22 | 2016-02-24 | 浙江万马股份有限公司 | A kind of high temperature resistant flexible cable for metallurgy and sheath material thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20150510 |
|
| EXPY | Termination of patent right or utility model |