CN104575770A - Halogen-free flame retardant insulated power cable adopting high-tenacity PS material - Google Patents
Halogen-free flame retardant insulated power cable adopting high-tenacity PS material Download PDFInfo
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- CN104575770A CN104575770A CN201410857284.6A CN201410857284A CN104575770A CN 104575770 A CN104575770 A CN 104575770A CN 201410857284 A CN201410857284 A CN 201410857284A CN 104575770 A CN104575770 A CN 104575770A
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Abstract
The invention provides a halogen-free flame retardant insulated power cable. Insulated wire cores are of a 3+2 core structure. Each insulated wire core is formed by a copper conductor wire and an insulated layer covering the copper conductor wire, wherein the copper conductor wire is formed by twisting soft copper wires. The space among the insulated wire cores is filled with a halogen-free flame retardant filling material, and the halogen-free flame retardant filling materials are wrapped inside a water-blocking band. A composite band is arranged outside the water-blocking band. A shielding layer is arranged outside the composite band. An outer halogen-free flame retardant sheath is arranged outside the shielding layer. The halogen-free flame retardant filling material and the outer halogen-free flame retardant sheath are both made of a high-tenacity PS material. According to the halogen-free flame retardant insulated power cable, the water-blocking band, the outer sheath layer and the like are used as waterproof components, the filling material in the cable is a high polymer material containing rat-proof ant-proof repellent, so that the cable has water tightness and has the functions of preventing rats and ants, and the safety use performance of the cable is improved.
Description
Technical field
The present invention relates to a kind of halogen-free flame retardant insulation power cable, particularly relate to and use a kind of high tenacity PS material that uses as the power cable of halogen-free flameproof packing material and halogen-free flameproof external sheath layer.
Background technology
Along with China's sustain economic increases fast, development for line cable industry provides huge market prospects, the temptation that Chinese market is strong, the world is made all sight to be focused on Chinese market, in the decades that reform and opening-up is short, the huge production capacity that Chinese cable manufacturing industry is formed allows the world regard with special esteem.Along with the continuous expansion of the industry sizes such as electric power, communication, track traffic, automobile and shipbuilding, the demand of electric wire is also being increased rapidly, electric wire industry from now on can predicted and also have huge development potentiality.
At present, wires and cables industry is the second largest industry that China is only second to automobile industry, and product variety Service Efficiency and domestic market occupation rate are all more than 90%.And worldwide, the Chinese electric wire gross output value exceedes the U.S., become first electric wire producing country in the world.Along with Chinese wires and cables industry high speed development, creation of new enterprise quantity constantly rises, and industry overall technology level is largely increased.
Divide by purposes, the kind of CABLE MATERIALS mainly contains the five large classes such as power cable, control cables, instrument and meter cable, telecommunication cable and fireproof cable.The protective jacket that the power cable of current process means manufacture usually uses pvc material to prepare, this kind of protective jacket contains halogen, in use there is the problems such as poor stability, reliability be low.Secondly, because power cable is often laid on the inferior Code in Hazardous Special Locations in ground, the function of its material used to waterproof has higher requirements, and current material exists the problems such as block-water performance difference.And power cable because be easily subject to mouse, biting of ant and being damaged, also greatly can reduce safety in utilization and the life-span of power cable after laying.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, and a kind of halogen-free flame retardant insulation power cable provided, particularly relate to a kind of high tenacity PS material that uses as the power cable of halogen-free flameproof packing material and halogen-free flameproof external sheath layer, it can solve fail safe, reliability, useful life low problem, because be subject to mouse, biting of ant and damaging after can also effectively preventing power cable layer.
The object of the present invention is achieved like this:
A kind of halogen-free flame retardant insulation power cable, particularly relate to a kind of high tenacity PS material that uses as the power cable of halogen-free flameproof packing material and halogen-free flameproof external sheath layer, comprise multiply insulated electro core, it is characterized in that: between described insulated electro core, be filled with halogen-free flameproof packing material, utilize in halogen-free flameproof packing material and insulated electro core be coated on by waterstop, waterstop uses composite band outward, and composite band uses screen, screen to use halogen-free flameproof external sheath layer outward outward.
Described insulated electro core is 3+2 cored structure, and wherein the conductor cross sectional area of 3 main cores is 4-240mm2, and the conductor cross sectional area of 2 secondary cores is 2.5-120mm2.
The conductive copper wire core that described insulated electro core is twisted into by soft copper wire and coated insulating barrier are formed.
The halogen-free flameproof packing material of filling between described insulated electro core is high tenacity PS material.
Described composite band is that aluminium-plastic tape or copper mould complex pocket.
Described oversheath is high tenacity PS material.
Described screen is armouring screen.
Described screen adopts aluminium-plastic tape to add soft copper band double-layer shielding structure.
Its quality of high tenacity PS material used is composed of the following components by percentage composition:
The high tenacity PS material used comprises the following steps in the preparation:
A, take each component by described mass percentage, and each component taken is mixed in high-speed mixer, stir 2 ~ 5 minutes.
B, step a is mixed after material join in the hopper of double screw extruder, extrude through high-temperature extruder melt blending, cool, air-dry, granulation;
Wherein, each heating region temperature of described double screw extruder is set to: district's temperature: 180 ~ 190 DEG C; Two district's temperature: 190 ~ 200 DEG C; Three district's temperature: 200 ~ 210 DEG C; Four district's temperature: 210 ~ 220 DEG C; Five district's temperature: 220 ~ 230 DEG C; Six district's temperature: 225 ~ 235 DEG C; Seven district's temperature: 220 ~ 230 DEG C; Eight district's temperature: 215 ~ 220 DEG C; Head temperature: 210 ~ 200 DEG C; Screw speed controls at 150 ~ 300 revs/min.
The present invention achieves following technique effect:
First present invention employs waterstop as waterproof part, secondly its adopt aluminium-plastic tape or copper to mould compound is treated, soft copper band double layer screen is as electromagnetism interference parts, halogen-free flameproof packing material and halogen-free flameproof external sheath layer outer jacket adopt high tenacity PS material again, cable is not only made to have possessed water preventing ability, and it has the function of termite-resistant rodent-resistant, enhance the safety in utilization of power cable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Diagram: main core 11, secondary core 12, halogen-free flameproof packing material 20, waterstop 30, composite band 40, screen 50, oversheath 60.
Embodiment
As shown in Figure 1, halogen-free flameproof power cable described in the present embodiment, its external diameter is 16.9-75mm, comprise multiply insulated electro core, described insulated electro core is 3+2 cored structure, the conductive copper wire core that described insulated electro core is twisted into by soft copper wire and coated high tenacity PS material halogen-free flameproof packing material 20 are formed, and wherein the conductor cross sectional area of 3 main cores 11 is 4-240mm2, and the conductor cross sectional area of 2 secondary cores 12 is 2.5-120mm2.
And between described insulated electro core, be filled with the halogen-free flameproof packing material 20 of high tenacity PS material formation, and utilize in waterstop 30 is coated on, be aluminium-plastic tape 40 outside described waterstop 30, aluminium-plastic tape uses screen 50, screen 50 outer use halogen-free flameproof oversheath 60 outward.Composite band 40 and screen 50 are the double armouring of screen and shielding.Screen adopts aluminium-plastic tape to add the double-layer shielding structure of soft copper band, and soft copper band is held concurrently armouring effect.Screen is outward the oversheath that high tenacity PS material is formed.
Its quality of high tenacity PS material used is composed of the following components by percentage composition: impact resistant polystyrene (HIPS) 51%; Composite toughing agent 7%; Composite halogen-free fire retardant 42%; Antioxidant 0.6%; Anti-dripping agent 0.3%; Processing aid 0.6%.
The high tenacity PS material used comprises the following steps in the preparation:
A, take each component by described mass percentage, and each component taken is mixed in high-speed mixer, stir 5 minutes.
B, step a is mixed after material join in the hopper of double screw extruder, extrude through high-temperature extruder melt blending, cool, air-dry, granulation; Wherein, each heating region temperature of described double screw extruder is set to: district's temperature: 190 DEG C; Two district's temperature: 200 DEG C; Three district's temperature: 210 DEG C; Four district's temperature: 220 DEG C; Five district's temperature: 230 DEG C; Six district's temperature: 235 DEG C; Seven district's temperature: 230 DEG C; Eight district's temperature: 220 DEG C; Head temperature: 200 DEG C; Screw speed controls at 200 revs/min.
Although the present invention is elaborated technical scheme of the present invention by embodiment, but those of ordinary skill in the art is to be understood that and can without departing from the scope of the present disclosure, equivalent replacement or equivalent transformation form can be adopted to implement the present invention.Therefore, protection scope of the present invention is not limited to the specific embodiment of embodiment part, as long as no the execution mode departing from invention essence, within the protection range being all interpreted as having dropped on application claims.
Claims (10)
1. a halogen-free flame retardant insulation power cable, it is characterized in that: between described insulated electro core, be filled with halogen-free flameproof packing material, utilize in halogen-free flameproof packing material and insulated electro core be coated on by waterstop, waterstop uses composite band outward, and composite band uses screen, screen to use halogen-free flameproof oversheath outward outward.
2. halogen-free flame retardant insulation power cable according to claim 1, is characterized in that: described insulated electro core is 3+2 cored structure, and wherein the conductor cross sectional area of 3 main cores is 4-240mm2, and the conductor cross sectional area of 2 secondary cores is 2.5-120mm2.
3. halogen-free flame retardant insulation power cable according to claim 2, is characterized in that: the conductive copper wire core that described insulated electro core is twisted into by soft copper wire and coated insulating barrier are formed.
4. halogen-free flame retardant insulation power cable according to claim 4, is characterized in that: the halogen-free flameproof packing material of filling between described insulated electro core is high tenacity PS material.
5. halogen-free flame retardant insulation power cable according to claim 5, is characterized in that: described composite band is aluminium-plastic tape or compound copper-plastics band.
6. halogen-free flame retardant insulation power cable according to claim 6, is characterized in that: described oversheath is high tenacity PS material.
7. halogen-free flame retardant insulation power cable according to claim 7, is characterized in that: described screen is armouring screen.
8. halogen-free flame retardant insulation power cable according to claim 8, is characterized in that: described screen adopts aluminium-plastic tape to add soft copper band double-layer shielding structure.
9. the halogen-free flame retardant insulation power cable according to claim 4-8, is characterized in that: its quality of high tenacity PS material used is composed of the following components by percentage composition:
10. halogen-free flame retardant insulation power cable according to claim 9, is characterized in that: the high tenacity PS material used comprises the following steps in the preparation:
A, take each component by mass percentage according to claim 9, and each component taken is mixed in high-speed mixer, stir 2 ~ 5 minutes.
B, step a is mixed after material join in the hopper of double screw extruder, extrude through high-temperature extruder melt blending, cool, air-dry, granulation;
Wherein, each heating region temperature of described double screw extruder is set to: district's temperature: 180 ~ 190 DEG C; Two district's temperature: 190 ~ 200 DEG C; Three district's temperature: 200 ~ 210 DEG C; Four district's temperature: 210 ~ 220 DEG C; Five district's temperature: 220 ~ 230 DEG C; Six district's temperature: 225 ~ 235 DEG C; Seven district's temperature: 220 ~ 230 DEG C; Eight district's temperature: 215 ~ 220 DEG C; Head temperature: 210 ~ 200 DEG C; Screw speed controls at 150 ~ 300 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857284.6A CN104575770A (en) | 2014-12-31 | 2014-12-31 | Halogen-free flame retardant insulated power cable adopting high-tenacity PS material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410857284.6A CN104575770A (en) | 2014-12-31 | 2014-12-31 | Halogen-free flame retardant insulated power cable adopting high-tenacity PS material |
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| CN104575770A true CN104575770A (en) | 2015-04-29 |
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| CN201410857284.6A Pending CN104575770A (en) | 2014-12-31 | 2014-12-31 | Halogen-free flame retardant insulated power cable adopting high-tenacity PS material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575771A (en) * | 2014-12-31 | 2015-04-29 | 东莞市高能磁电技术有限公司 | Halogen-free flame retardant insulated power cable adopting polyphenyl ether composite material |
| CN104616805A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing low-density high-strength composite material |
| CN105694256A (en) * | 2016-02-02 | 2016-06-22 | 安徽幸福电器电缆有限公司 | Magnetic shielding cable |
| CN105713308A (en) * | 2016-02-02 | 2016-06-29 | 安徽幸福电器电缆有限公司 | Drag-resistant cable |
| CN105733117A (en) * | 2016-02-03 | 2016-07-06 | 安徽华海特种电缆集团有限公司 | Heat-resistant, fire-proof and anti-shielding reinforced cable |
| CN107057115A (en) * | 2017-06-16 | 2017-08-18 | 成都亨通光通信有限公司 | A kind of novel ratproof optic cable sheath and preparation method thereof |
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| CN104616804A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material |
| CN104616805A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing low-density high-strength composite material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575771A (en) * | 2014-12-31 | 2015-04-29 | 东莞市高能磁电技术有限公司 | Halogen-free flame retardant insulated power cable adopting polyphenyl ether composite material |
| CN104616805A (en) * | 2014-12-31 | 2015-05-13 | 东莞市高能磁电技术有限公司 | Halogen-free and flame-proof insulating power cable employing low-density high-strength composite material |
| CN105694256A (en) * | 2016-02-02 | 2016-06-22 | 安徽幸福电器电缆有限公司 | Magnetic shielding cable |
| CN105713308A (en) * | 2016-02-02 | 2016-06-29 | 安徽幸福电器电缆有限公司 | Drag-resistant cable |
| CN105733117A (en) * | 2016-02-03 | 2016-07-06 | 安徽华海特种电缆集团有限公司 | Heat-resistant, fire-proof and anti-shielding reinforced cable |
| CN107057115A (en) * | 2017-06-16 | 2017-08-18 | 成都亨通光通信有限公司 | A kind of novel ratproof optic cable sheath and preparation method thereof |
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Address after: Tianhe District Huang Cun Guangdong province Guangzhou City Daguan road 511400 No. 26 B313 Applicant after: Guangzhou High Technology Co., Ltd. Address before: 523000 Guangdong province Dongguan Nancheng District week Xilong Xi Road No. 5, Goldman science and Technology Park of the two fifteenth storey commercial building room 07 Applicant before: Dongguan high magnetic Technology Co., Ltd. |
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Application publication date: 20150429 |