CN202632821U - Cable with corrugated aluminum sheath - Google Patents
Cable with corrugated aluminum sheath Download PDFInfo
- Publication number
- CN202632821U CN202632821U CN 201220194997 CN201220194997U CN202632821U CN 202632821 U CN202632821 U CN 202632821U CN 201220194997 CN201220194997 CN 201220194997 CN 201220194997 U CN201220194997 U CN 201220194997U CN 202632821 U CN202632821 U CN 202632821U
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- CN
- China
- Prior art keywords
- cable
- sheath
- flame
- layer
- thermal insulation
- 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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Abstract
The utility model discloses a cable with a corrugated aluminum sheath and comprises a cable core and a sheath. A corrugated buffer layer is wound around the cable core; a corrugated aluminum sheath is arranged outside the buffer layer, and longitudinally covers and wraps the buffer layer by welding; a thermal insulation layer of fireproof material is extruded from the aluminum sheath; and a crusting flame retardation layer with relatively high oxygen index is extruded from the thermal insulation layer, and a low-smoke halogen-free flame-retardation crosslinked polyolefin sheath is extruded from the crusting flame retardation layer. The thickness of the thermal insulation layer is 0.5 to 0.7 mm, and the thickness of the crusting flame retardation layer is 0.9 to 1.1 mm. The cable can meet type A combustion requirements for cable bundling, the shielding performance of the cable is good, and the cable has good machinery impact resistance.
Description
Technical field
The utility model discloses a kind of structure of cable, be specifically related to a kind of corrugated aluminum sheath cable, belong to the cables manufacturing technical field.
Background technology
Requiring that present cable product internal (outward) disturbs is increasingly high, so the shielding properties of aluminum-sheathed cable product lets institute of society cognitive gradually; Simultaneously high harbor requires increasingly highly to low-smoke and flame retardant, and the fire-retardant rank of cable is also being promoted.
We know and in cable material, add fire retardant, have improved the fire resistance of cable on the one hand, and mechanical performance reduces relatively on the other hand.And the adding ingredient in the fire proofing more or less contains halogen or heavy metal, so will guarantee also to need Halogen under the fire-retardant prerequisite; And the fusing point of aluminium is 660.4 ℃, and the ignition temperature when carrying out burning test is higher than 800 ℃, can soften so aluminium sheath burns under general flame retarding construction.The aluminium sheath type flame retardant cable of existing market can only satisfy burning below the bunchy category-B, and can not satisfy higher combustion requirements.
The utility model content
The utility model technical problem to be solved provides a kind of corrugated aluminum sheath cable, and this product satisfies the requirement of cable bunchy category-A burning, and advantages of good shielding performance has good mechanical shock resistance.
For solving the problems of the technologies described above, the utility model corrugated aluminum sheath cable comprises cable core and sheath; The outer wrapped embossing resilient coating of cable core; Resilient coating is provided with the embossing aluminium sheath outward, and the vertical bag welding of embossing aluminium sheath is wrapped on the resilient coating, and aluminium sheath extrudes the fire proofing material thermal insulation layer outward; Thermal insulation layer extrudes the higher crust flame-retardant layer of oxygen index outward, and the crust flame-retardant layer extrudes low-smoke non-halogen flame-retardant cross-linked polyolefin sheath outward.
The thickness of said thermal insulation layer is 0.5-0.7mm.
The thickness of said crust flame-retardant layer is 0.9-1.1mm.
The utlity model has following beneficial effect: the first, adopt the buffering band wrapped, cable core preserves from when guaranteeing that cable carries out aluminium sheath welding and embossing.The second, and the outer field employing heat insulation type of aluminium sheath fire proofing material is extruded, and can guarantee that aluminium lamination does not receive high temperature to cause softening, and guarantees the quality of cable core.The 3rd; Actual combustion situation according to cable; Oversheath is at first burnt, but the time have inside to burn away or the generation of the condition of lighting the passion is prolonged on the surface, so can not guarantee to adopt under the fire-retardant fully prerequisite inner crust flame retarding construction at protective coverings of cable; Can guarantee that inside is injury-free, can guarantee passing through of fire retardancy test again; The HRR of the cable material through calculating crust flame-retardant layer and fire-retardant outer jacket; And adopt the lower fire-retardant crust material of HRR as internal layer fire-resisting protection layer; Under fire-retardant outer jacket can not complete fire-retardant situation; Reduce the hot burst size of cable fire; Guarantee to guarantee in the requirement of satisfying the burning of cable bunchy category-A and do not damage internal layer (cable core and aluminium lamination), accomplish high flame retardant (category-A) truly, make product can satisfy the requirement of GB/T 18380.32-200 (IEC60332-2-21:2000) bunchy category-A fire retardancy test.
Description of drawings
Fig. 1 is the structural representation of the utility model corrugated aluminum sheath cable;
Among the figure: 1 cable core, 2 resilient coatings, 3 embossing aluminium sheaths, 4 thermal insulation layers, 5 crust flame-retardant layers, 6 sheaths.
Embodiment
TR type copper single line is twisted into conductor, and conductor extrudes crosslinked polyetylene insulated layer outward and constitutes insulated wire cores.Insulated wire cores is twisted into cable core 1, and the inorfil filler is filled in the gap of cable core.Wrapped embossing resilient coating 2 is provided with embossing aluminium sheath 3 outside resilient coating 2 outside cable core 1, and the 3 vertical bag welding of embossing aluminium sheath are wrapped on the resilient coating; Outside the embossing aluminium sheath, extrude fire proofing material thermal insulation layer 4, outside thermal insulation layer 4, extrude the higher crust flame-retardant layer 5 of oxygen index, the crust flame-retardant layer extrudes low-smoke non-halogen flame-retardant cross-linked polyolefin sheath 6 outward, constitutes the corrugated aluminum sheath cable.The thickness of thermal insulation layer 4 is 0.5-0.7mm.The thickness of crust flame-retardant layer 5 is 0.9-1.1mm.
The utlity model has following beneficial effect: the first, adopt the buffering band wrapped, cable core preserves from when guaranteeing that cable carries out aluminium sheath welding and embossing.The second, and the outer field employing heat insulation type of aluminium sheath fire proofing material is extruded, and can guarantee that aluminium lamination does not receive high temperature to cause softening, and guarantees the quality of cable core.The 3rd; Actual combustion situation according to cable; Oversheath is at first burnt, but the time have inside to burn away or the generation of the condition of lighting the passion is prolonged on the surface, so can not guarantee to adopt under the fire-retardant fully prerequisite inner crust flame retarding construction at protective coverings of cable; Can guarantee that inside is injury-free, can guarantee passing through of fire retardancy test again; The HRR of the cable material through calculating crust flame-retardant layer and fire-retardant outer jacket; And adopt the lower fire-retardant crust material of HRR as internal layer fire-resisting protection layer; Under fire-retardant outer jacket can not complete fire-retardant situation; Reduce the hot burst size of cable fire; Guarantee to guarantee in the requirement of satisfying the burning of cable bunchy category-A and do not damage internal layer (cable core and aluminium lamination), accomplish high flame retardant (category-A) truly, make product can satisfy the requirement of GB/T 18380.32-200 (IEC60332-2-21:2000) bunchy category-A fire retardancy test.
Claims (3)
1. a corrugated aluminum sheath cable comprises cable core and sheath, it is characterized in that; The outer wrapped embossing resilient coating of cable core; Resilient coating is provided with the embossing aluminium sheath outward, and the vertical bag welding of embossing aluminium sheath is wrapped on the resilient coating, and aluminium sheath extrudes the fire proofing material thermal insulation layer outward; Thermal insulation layer extrudes the crust flame-retardant layer outward, and the crust flame-retardant layer extrudes low-smoke non-halogen flame-retardant cross-linked polyolefin sheath outward.
2. corrugated aluminum sheath cable according to claim 1 is characterized in that, the thickness of said thermal insulation layer is 0.5-0.7mm.
3. corrugated aluminum sheath cable according to claim 1 is characterized in that, the thickness of said crust flame-retardant layer is 0.9-1.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194997 CN202632821U (en) | 2012-05-03 | 2012-05-03 | Cable with corrugated aluminum sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194997 CN202632821U (en) | 2012-05-03 | 2012-05-03 | Cable with corrugated aluminum sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202632821U true CN202632821U (en) | 2012-12-26 |
Family
ID=47385984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220194997 Expired - Fee Related CN202632821U (en) | 2012-05-03 | 2012-05-03 | Cable with corrugated aluminum sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202632821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745775A (en) * | 2013-12-17 | 2014-04-23 | 广西柳州银海铝业股份有限公司 | Heat-insulation and flame-retardant cable |
| CN103903795A (en) * | 2014-04-04 | 2014-07-02 | 江苏中辰电缆有限公司 | Fireproof power cable |
-
2012
- 2012-05-03 CN CN 201220194997 patent/CN202632821U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745775A (en) * | 2013-12-17 | 2014-04-23 | 广西柳州银海铝业股份有限公司 | Heat-insulation and flame-retardant cable |
| CN103903795A (en) * | 2014-04-04 | 2014-07-02 | 江苏中辰电缆有限公司 | Fireproof power cable |
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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: 20121226 Termination date: 20180503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |