CN203118634U - Fire-resistant cable - Google Patents
Fire-resistant cable Download PDFInfo
- Publication number
- CN203118634U CN203118634U CN201320108258.4U CN201320108258U CN203118634U CN 203118634 U CN203118634 U CN 203118634U CN 201320108258 U CN201320108258 U CN 201320108258U CN 203118634 U CN203118634 U CN 203118634U
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- CN
- China
- Prior art keywords
- fire
- cable
- core
- aluminum alloy
- aluminium alloy
- Prior art date
- 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.)
- Expired - Fee Related
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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 a fire-resistant cable. The fire-resistant cable comprises at least one wire core, wherein the wire core comprises an aluminum alloy conductor and mica tape which wraps the outer portion of the aluminum alloy conductor, all wire cores are stranded together to form a cable core, an aluminum alloy armouring layer wraps the outer portion of the cable core, and a flame retardant protective sleeve wraps the outer portion of the aluminum alloy armouring layer. A flame retardant plastic insulating layer wraps the outer portion of the mica tape, flame retardant fillers are filled among the wire cores, and flame retardant glass fiber tape is arranged between the cable core and the aluminum alloy armouring layer. According to the fire-resistant cable, through arrangement of the mica tape and the aluminum alloy armouring layer, fire-resistant performance of the cable is improved, and requirements of clients for safety are met. Through utilization of AA8030 aluminum alloy conductors, the weight of the cable is obviously lightened, and purchasing cost and mounting cost of the cable are reduced.
Description
Technical field
The utility model belongs to the power cable technical field, is specifically related to a kind of fire-resisting cable.
Background technology
The fire-resisting cable of present domestic routine adopts be copper as conductor, be a kind of waste to non-renewable resources, and the present fire resistance of conventional aluminium alloy cable is very poor, can't satisfy the client to the requirement of cable security.
The utility model content
The purpose of this utility model is, at above-mentioned the deficiencies in the prior art, provide a kind of applied widely, fire resistance good, the fire-resisting cable that economizes on resources.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of fire-resisting cable is provided, it is characterized in that: comprise at least one core; Described core comprises the mica tape of aluminium alloy conductor and aluminium alloy conductor outer wrapping; All described cores twist together the formation cable core; Described cable core is wrapped with the aluminium alloy armour; Described aluminium alloy armour is wrapped with fire retardant jacket.
Described mica tape is wrapped with retardant plastic insulation layer.Be filled with fire-retardant filler between the described core.Be provided with fire-retardant glass fiber belt between described cable core and the aluminium alloy armour.
In a preferred embodiment, above-mentioned fire-resisting cable comprises three cores.
The fire-resisting cable that the utility model provides has following beneficial effect:
1, by mica tape and the aluminium alloy armour of setting, increased the fire resistance of cable, satisfied the requirement of client to fail safe;
2, by using the AA8030 aluminium alloy conductor, cable weight is obviously alleviated, and reach and reduced cable buying and installation cost.
Description of drawings
Fig. 1 is the sectional schematic diagram of fire-resisting cable.
Wherein, 1, aluminium alloy conductor; 2, mica tape; 3, retardant plastic insulation layer; 4, fire-retardant filler; 5, fire-retardant glass fiber belt; 6, aluminium alloy armour; 7, fire retardant jacket.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
As shown in Figure 1, the fire-resisting cable that the utility model provides comprises at least one core (what provide in the drawings is the cable that contains three cores, and the radical of core can change according to the actual requirements, is not limited to three); Core comprises the mica tape 2 of aluminium alloy conductor 1 and aluminium alloy conductor 1 outer wrapping; All cores twist together the formation cable core; Cable core is wrapped with aluminium alloy armour 6; Aluminium alloy armour 6 is wrapped with fire retardant jacket 7.Mica tape 2 is wrapped with retardant plastic insulation layer 3.Be filled with fire-retardant filler 4 between the core.Be provided with fire-retardant glass fiber belt 5 between cable core and the aluminium alloy armour 6.
The aluminium alloy armour 6 that the utility model adopts, have in light weight (under the equal specification weight be conventional steel-tape armouring layer 1/3rd), lateral pressure resistant power strong (200N/M), flexible (bending radius is 7 times of outside diameters of cable), eliminated the magnetic loss, it is about 0.5% to have improved the cable ampacity, fire resistance strong (fusing point is 600 ℃).Adopt above-mentioned aluminium alloy armour 6, fire-resisting cable has not only improved its fire resistance, and makes cable buying and installation cost reduce about more than 40%.
The aluminium alloy conductor 1 that the utility model adopts is the AA8030 aluminium alloy conductor, and elongation reaches more than 30%, is easy to bending, and weight is 50% of traditional cable under the situation of equal ampacity, is easy to install lay.
Though with above-mentioned preferred embodiment the utility model has been made detailed description, be not to limit the utility model with above-described embodiment.Those skilled in the art should recognize under the situation that does not break away from the given technical characterictic of technical solutions of the utility model and scope; the increase that technical characterictic is done, with the replacement of some same contents of this area, all should belong to protection range of the present utility model.
Claims (5)
1. a fire-resisting cable is characterized in that: comprise at least one core; Described core comprises the mica tape (2) of aluminium alloy conductor (1) and aluminium alloy conductor (1) outer wrapping; All described cores twist together the formation cable core; Described cable core is wrapped with aluminium alloy armour (6); Described aluminium alloy armour (6) is wrapped with fire retardant jacket (7).
2. fire-resisting cable according to claim 1, it is characterized in that: described mica tape (2) is wrapped with retardant plastic insulation layer (3).
3. fire-resisting cable according to claim 1 is characterized in that: be filled with fire-retardant filler (4) between the described core.
4. fire-resisting cable according to claim 1 is characterized in that: be provided with fire-retardant glass fiber belt (5) between described cable core and the aluminium alloy armour (6).
5. fire-resisting cable according to claim 1 is characterized in that: comprise three cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320108258.4U CN203118634U (en) | 2013-03-11 | 2013-03-11 | Fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320108258.4U CN203118634U (en) | 2013-03-11 | 2013-03-11 | Fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118634U true CN203118634U (en) | 2013-08-07 |
Family
ID=48898957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320108258.4U Expired - Fee Related CN203118634U (en) | 2013-03-11 | 2013-03-11 | Fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705885A (en) * | 2017-10-25 | 2018-02-16 | 四川新蓉电缆有限责任公司 | A kind of heavy in section aluminium alloy fireproof cable |
-
2013
- 2013-03-11 CN CN201320108258.4U patent/CN203118634U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705885A (en) * | 2017-10-25 | 2018-02-16 | 四川新蓉电缆有限责任公司 | A kind of heavy in section aluminium alloy fireproof cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140311 |