CN103295680A - Energy-saving flexible fireproof multi-core cable - Google Patents
Energy-saving flexible fireproof multi-core cable Download PDFInfo
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- CN103295680A CN103295680A CN2013102271874A CN201310227187A CN103295680A CN 103295680 A CN103295680 A CN 103295680A CN 2013102271874 A CN2013102271874 A CN 2013102271874A CN 201310227187 A CN201310227187 A CN 201310227187A CN 103295680 A CN103295680 A CN 103295680A
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Abstract
The invention discloses an energy-saving flexible fireproof multi-core cable which comprises a cable core. The cable core is formed by twisting a plurality of fan-shaped insulating cable cores,and the fan-shaped insulating cable cores are composed of fan-shaped conductors and insulating layers wrapped outside the fan-shaped conductors. Composite bronze mica tapes are wrapped outside the cable core, a corrugated copper sheath is longitudinally wrapped outside the composite bronze mica tapes, and a low-smoke zero-halogen polyolefin outer sheath for preventing oxidative deterioration caused by long-term contact of the corrugated copper sheath and air and serving as an oxygen barrier layer concurrently is arranged outside the corrugated copper sheath in an extruding mode. The round conductors of the energy-saving flexible fireproof multi-core cable are changed to be fan-shaped, so that the surface area is increased, the surface effect of current transmission is strengthened, and the cable can have large current-carrying capacity. When the cable is formed, complicated material filling operation is omitted, the production efficiency is improved, the overall outer diameter of the cable is reduced by 5%-7%, accordingly materials required by layers are decreased on the premise that structures of the layers are invariable, and resources are saved.
Description
Technical field
The present invention relates to the electric wire field, specifically refer to a kind of energy-saving fire resistant flexible multicore cable.
Background technology
Along with fireproof cable plays an important role in the building of modern city, as densely populated places such as high-rise civil building, office building, hotel, market, exhibition center, museum, library, hospital, gymnasium, airports, be widely used.
And existing fireproof cable often all is to constitute insulated wire cores at the wrapped mica tape in circular stranded conductor outside, phlogopite or muscovite, and then insulated wire cores carried out stranded formation cable core, owing to be circular stranded conductor, so there is the space in the cable core after causing insulated wire cores stranded, filling also will be placed in the inside, space at cable core, not only increase cost, external diameter also can be very big; Because conductor assembly outer diameter is big, so it is also very big that the consumption of pricking the line copper sheath is set at last outside.Often ignored energy savings in the production process, reduced consuming this major issue.
Summary of the invention
Technical problem to be solved by this invention provide a kind of not only flexible good, ampacity is big, and reduces the whole cable external diameter, saved the energy, reduced the fire prevention multicore cable of cost.
A kind of energy-saving fire resistant flexible multicore cable of the present invention comprises cable core, wrapped synthetic phlogopite band outside cable core, and vertical wrapping line copper sheath outside synthetic phlogopite band, the cable core outermost layer extrudes the low-smoke halogen-free polyolefin oversheath; Described cable core is by some stranded the forming of fan-shaped insulated wire cores, and its fan-shaped insulated wire cores is by sector conductor and is extruded in the outer insulating barrier of sector conductor and constitutes.
Further improve, described sector conductor is by many stranded the forming of oxygen-free copper monofilament.
Further improve, described insulating barrier adopts synthetic phlogopite to tighten.
Further improve, described fan-shaped insulated wire cores is 3 cores, and its fan-shaped angle is 120 degree.
Further improve, described fan-shaped insulated wire cores is 4 cores, and its fan-shaped angle is 90 degree.
Further improve, described fan-shaped insulated wire cores is 5 cores again, and its fan-shaped angle is 72 degree.
Beneficial effect of the present invention is:
Compared with prior art, conductor of the present invention is changed into fan-shaped by circle, causes surface area to increase, and has strengthened the skin effect that electric current transmits, and makes cable can carry bigger ampacity.During stranding, saved loaded down with trivial details packing material, production efficiency has improved, and whole cable reduced diameter 5%-7% because external diameter reduces, causes each layer material requested also just to reduce under the constant prerequisite of each layer structure, has saved resource, has reduced cost.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of energy-saving fire resistant flexible multicore cable of the present invention, comprise cable core, described cable core is by some stranded the forming of fan-shaped insulated wire cores, and its fan-shaped insulated wire cores is by sector conductor 1 and is extruded in sector conductor 1 outer insulating barrier 2 and constitutes; Wrapped synthetic phlogopite band 3 outside cable core, vertical wrapping line copper sheath 4 outside synthetic phlogopite band 3, cause oxidation deterioration in order to prevent from pricking long-term the contact with air of line sheath, thus extrude one deck low-smoke halogen-free polyolefin oversheath 5 at bundle line copper sheath 4 outsides employing fashion of extrusion, and the double as oxygen barrier layer.
Sector conductor 1 described above is by many stranded the forming of oxygen-free copper monofilament.When fan-shaped insulated wire cores was three cores, its fan-shaped angle was 120 degree; When fan-shaped insulated wire cores was four-core, its fan-shaped angle was 90 degree; When fan-shaped insulated wire cores was five cores, its fan-shaped angle was 72 degree.
The concrete application approach of the present invention is a lot, and the above only is preferred implementation of the present invention, should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (6)
1. energy-saving fire resistant flexible multicore cable, comprise cable core, it is characterized in that, wrapped synthetic phlogopite band (3) outside cable core, vertical wrapping line copper sheath (4) outside synthetic phlogopite band (3), the cable core outermost layer extrudes low-smoke halogen-free polyolefin oversheath (5); Described cable core is by some stranded the forming of fan-shaped insulated wire cores, and its fan-shaped insulated wire cores is by sector conductor (1) and is extruded in outer insulating barrier (2) formation of sector conductor (1).
2. energy-saving fire resistant flexible multicore cable according to claim 1 is characterized in that, described sector conductor (1) is by many stranded the forming of oxygen-free copper monofilament.
3. energy-saving fire resistant flexible multicore cable according to claim 1 is characterized in that, described insulating barrier (2) adopts synthetic phlogopite to tighten.
4. energy-saving fire resistant flexible multicore cable according to claim 1 is characterized in that, described fan-shaped insulated wire cores is 3 cores, and its fan-shaped angle is 120 degree.
5. energy-saving fire resistant flexible multicore cable according to claim 1 is characterized in that, described fan-shaped insulated wire cores is 4 cores, and its fan-shaped angle is 90 degree.
6. energy-saving fire resistant flexible multicore cable according to claim 1 is characterized in that, described fan-shaped insulated wire cores is 5 cores, and its fan-shaped angle is 72 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102271874A CN103295680A (en) | 2013-06-08 | 2013-06-08 | Energy-saving flexible fireproof multi-core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102271874A CN103295680A (en) | 2013-06-08 | 2013-06-08 | Energy-saving flexible fireproof multi-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103295680A true CN103295680A (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102271874A Pending CN103295680A (en) | 2013-06-08 | 2013-06-08 | Energy-saving flexible fireproof multi-core cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN103295680A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332218A (en) * | 2014-11-26 | 2015-02-04 | 无锡江南电缆有限公司 | Multi-core flame-retardant fireproof composite cable |
| CN104575707A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Cable with fan-shaped inner cores |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779573A (en) * | 2011-05-13 | 2012-11-14 | 远东电缆有限公司 | Fireproof cable and production process thereof |
| CN102982868A (en) * | 2012-12-18 | 2013-03-20 | 安徽华能电缆集团有限公司 | Inorganic mineral wrapped insulated flexible fire-proof cable provided with crimping stainless steel sheath and fabrication method of flexible fire-proof cable |
| CN203386488U (en) * | 2013-06-08 | 2014-01-08 | 无锡市新阳光电缆有限公司 | An energy-saving type flexible fireproof multi-core cable |
-
2013
- 2013-06-08 CN CN2013102271874A patent/CN103295680A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779573A (en) * | 2011-05-13 | 2012-11-14 | 远东电缆有限公司 | Fireproof cable and production process thereof |
| CN102982868A (en) * | 2012-12-18 | 2013-03-20 | 安徽华能电缆集团有限公司 | Inorganic mineral wrapped insulated flexible fire-proof cable provided with crimping stainless steel sheath and fabrication method of flexible fire-proof cable |
| CN203386488U (en) * | 2013-06-08 | 2014-01-08 | 无锡市新阳光电缆有限公司 | An energy-saving type flexible fireproof multi-core cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575707A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Cable with fan-shaped inner cores |
| CN104332218A (en) * | 2014-11-26 | 2015-02-04 | 无锡江南电缆有限公司 | Multi-core flame-retardant fireproof composite cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130911 |