CN104616804A - Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material - Google Patents
Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material Download PDFInfo
- Publication number
- CN104616804A CN104616804A CN201410853246.3A CN201410853246A CN104616804A CN 104616804 A CN104616804 A CN 104616804A CN 201410853246 A CN201410853246 A CN 201410853246A CN 104616804 A CN104616804 A CN 104616804A
- Authority
- CN
- China
- Prior art keywords
- halogen
- free
- power cable
- flame retardant
- flame
- 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.)
- Pending
Links
Landscapes
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention provides a halogen-free and flame-proof insulating power cable. The halogen-free and flame-proof insulating power cable is that insulating cable cores are of a 3+2 structure and comprises a copper conducting core formed by stranding soft copper wires, and a covered insulating layer; halogen-free and flame-proof filling materials fill between the insulating cable cores and are wrapped through a water blocking tape; a composite belt is arranged at the outside of the water blocking tape; a shielding layer is arranged at the outside of the composite belt; an external halogen-free and flame-proof protecting sleeve is arranged at the outside of the shielding layer; the halogen-free and flame-proof filling materials and the external halogen-free and flame-proof protecting sleeve are prepared from polytetrafluoroethylene composite materials. According to the halogen-free and flame-proof insulating power cable, the water blocking tape, the outer protecting sleeve layer and the like are used as the waterproof parts; meanwhile, the internal filled material is high polymer material added with termite/ rat repellents; therefore, the cable is resistant to water and termite and rat, and as a result, the use safety of the cable can be 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 ptfe composite 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 ptfe composite 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 ptfe composite 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 ptfe composite.
Described composite band is that aluminium-plastic tape or copper mould complex pocket.
Described oversheath is ptfe composite.
Described screen is armouring screen.
Described screen adopts aluminium-plastic tape to add soft copper band double-layer shielding structure.
The ptfe composite used is formulated by the component of following weight percentage: polytetrafluoroethylene 50% ~ 65%, POB polyester alloy powder 2% ~ 5%, graphite 5% ~ 20%, molybdenum bisuphide 2% ~ 5%, halogen-free flameproof masterbatch 30% ~ 50%.
The ptfe composite used comprises the following steps in the preparation:
After the polytetrafluoroethylene of above-mentioned formula, POB, graphite and molybdenum bisuphide are mixed, under pressing pressure is 36 ~ 37MPa effect, 85 ~ 90 minutes dwell times, is pressed into model, adds halogen-free flameproof masterbatch, stir 10min; Then be placed in sintering furnace, temperature from ambient risen to 370 ~ 380 DEG C of insulation 145 ~ 150min by 313 ~ 327 DEG C, then lowers the temperature, be incubated 25 ~ 30 minutes after being down to 327 DEG C by 380 DEG C, then continue to be cooled to room temperature and namely obtain composite plastic of the present invention.
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 ptfe composite 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 ptfe composite 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 ptfe composite 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 of ptfe composite formation.
The ptfe composite used is formulated by the component of following weight percentage: polytetrafluoroethylene 50%, POB polyester alloy powder 5%, graphite 10%, molybdenum bisuphide 5%, halogen-free flameproof masterbatch 30%.
The ptfe composite used comprises the following steps in the preparation:
After the polytetrafluoroethylene of above-mentioned formula, POB, graphite and molybdenum bisuphide are mixed, under pressing pressure is 37MPa effect, 90 minutes dwell times, is pressed into model, adds halogen-free flameproof masterbatch, stir 10min; Then be placed in sintering furnace, temperature from ambient risen to 370 ~ 380 DEG C of insulation 150min by 313 ~ 327 DEG C, then lowers the temperature, be incubated 30 minutes after being down to 327 DEG C by 380 DEG C, then continue to be cooled to room temperature and namely obtain polytetrafluoroethylene composite plastic.
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 ptfe composite.
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 ptfe composite.
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, it is characterized in that: the ptfe composite used is formulated by the component of following weight percentage: polytetrafluoroethylene 50% ~ 65%, POB polyester alloy powder 2% ~ 5%, graphite 5% ~ 20%, molybdenum bisuphide 2% ~ 5%, halogen-free flameproof masterbatch 30% ~ 50%.
10. halogen-free flame retardant insulation power cable according to claim 9, is characterized in that: the ptfe composite used comprises the following steps in the preparation:
After the polytetrafluoroethylene of above-mentioned formula, POB, graphite and molybdenum bisuphide are mixed, under pressing pressure is 36 ~ 37MPa effect, 85 ~ 90 minutes dwell times, is pressed into model, adds halogen-free flameproof masterbatch, stir 10min; Then be placed in sintering furnace, temperature from ambient risen to 370 ~ 380 DEG C of insulation 145 ~ 150min by 313 ~ 327 DEG C, then lowers the temperature, be incubated 25 ~ 30 minutes after being down to 327 DEG C by 380 DEG C, then continue to be cooled to room temperature and namely obtain composite plastic of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853246.3A CN104616804A (en) | 2014-12-31 | 2014-12-31 | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853246.3A CN104616804A (en) | 2014-12-31 | 2014-12-31 | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104616804A true CN104616804A (en) | 2015-05-13 |
Family
ID=53151219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410853246.3A Pending CN104616804A (en) | 2014-12-31 | 2014-12-31 | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104616804A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575770A (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 high-tenacity PS material |
| 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 |
| CN105244093A (en) * | 2015-10-30 | 2016-01-13 | 苏俊兰 | Wear-resistant low-smoke environmental protection device |
| CN112965195A (en) * | 2021-04-13 | 2021-06-15 | 浙江东通光网物联科技有限公司 | Optical cable with rat-proof nibble function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667256U (en) * | 2009-12-30 | 2010-12-08 | 天津塑力线缆集团有限公司 | Novel low-smoke halogen-free fire resistant railway traffic digital signal cable |
| JP2012234760A (en) * | 2011-05-09 | 2012-11-29 | Sumitomo Electric Ind Ltd | Shield wire |
| CN102911464A (en) * | 2011-08-05 | 2013-02-06 | 薛申生 | Halogen-free flame-resistant composite plastic with corrosion resistance and preparation method thereof |
| CN103426556A (en) * | 2013-07-30 | 2013-12-04 | 江苏河阳线缆有限公司 | Low-smoke halogen-free flame-retardant power cable |
| CN103811127A (en) * | 2012-11-14 | 2014-05-21 | 湖北龙腾红旗电缆(集团)有限公司 | Low-smoke zero-halogen flame-retardant copper core crosslinked polyethylene insulation power cable |
-
2014
- 2014-12-31 CN CN201410853246.3A patent/CN104616804A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667256U (en) * | 2009-12-30 | 2010-12-08 | 天津塑力线缆集团有限公司 | Novel low-smoke halogen-free fire resistant railway traffic digital signal cable |
| JP2012234760A (en) * | 2011-05-09 | 2012-11-29 | Sumitomo Electric Ind Ltd | Shield wire |
| CN102911464A (en) * | 2011-08-05 | 2013-02-06 | 薛申生 | Halogen-free flame-resistant composite plastic with corrosion resistance and preparation method thereof |
| CN103811127A (en) * | 2012-11-14 | 2014-05-21 | 湖北龙腾红旗电缆(集团)有限公司 | Low-smoke zero-halogen flame-retardant copper core crosslinked polyethylene insulation power cable |
| CN103426556A (en) * | 2013-07-30 | 2013-12-04 | 江苏河阳线缆有限公司 | Low-smoke halogen-free flame-retardant power cable |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575770A (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 high-tenacity PS material |
| 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 |
| CN105244093A (en) * | 2015-10-30 | 2016-01-13 | 苏俊兰 | Wear-resistant low-smoke environmental protection device |
| CN112965195A (en) * | 2021-04-13 | 2021-06-15 | 浙江东通光网物联科技有限公司 | Optical cable with rat-proof nibble function |
| CN112965195B (en) * | 2021-04-13 | 2023-04-28 | 浙江东通光网物联科技有限公司 | Optical cable with rat bite prevention function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104616804A (en) | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material | |
| CN104575770A (en) | Halogen-free flame retardant insulated power cable adopting high-tenacity PS material | |
| CN104599776A (en) | Halogen-free flame-retardant insulated electric cable using polybutylene terephthalate composite material | |
| CN106057337A (en) | Below-35kV copper core and aluminum core coaxial composite plastic insulated cable | |
| CN203966585U (en) | Medium voltage converter environmental protection aluminium alloy cable | |
| CN203118633U (en) | Fire-resistant aluminum alloy variable frequency cable | |
| CN203760202U (en) | High temperature-resistance fireproof control cable | |
| CN104575771A (en) | Halogen-free flame retardant insulated power cable adopting polyphenyl ether composite material | |
| CN104616805A (en) | Halogen-free and flame-proof insulating power cable employing low-density high-strength composite material | |
| CN103915194A (en) | Low-smoke and halogen-free fireproof double-shielded cable resistant to high temperature | |
| CN203760203U (en) | Flame-retardant power cable | |
| CN106782780A (en) | A kind of cable in power pipe | |
| CN203787154U (en) | Low-smoke zero-halogen insulating fireproof cable | |
| CN208027793U (en) | 200 DEG C of fluoroplastic insulation steel wire armored power cables of rated voltage 1kV heatproofs | |
| CN206877715U (en) | 1E level K3 used in nuclear power station A level flame-retardant fire-resistant power cables | |
| CN207558465U (en) | A kind of shell-less fire resistant low-voltage cable | |
| CN207529702U (en) | A kind of anti-cutting cable | |
| CN203760183U (en) | Instrument cable for nuclear power station | |
| CN105957623A (en) | Super soft solar energy photovoltaic cable with resistance to high and low temperature and acid and alkali corrosion | |
| CN204143951U (en) | The expanding conductor medium-pressure power cable of a kind of resistant environmental low-smoke halogen-free flame | |
| CN205992435U (en) | A kind of alternative irradiation crosslinking halogen-free low-smoke and flame retardant type environment-friendly cable | |
| CN203787197U (en) | Antiflaming polyolefin sheath power cable | |
| CN204496957U (en) | A kind of used in nuclear power station radiation proof cable | |
| CN107123473A (en) | A grades of flame-retardant fire-resistant power cables of 1E grades of K3 used in nuclear power station | |
| CN203721326U (en) | High flame retardant fireproof radio frequency cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Tianhe District Huang Cun Guangdong province Guangzhou City Daguan road 511400 No. 26 B313 Applicant after: Guangdong 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. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150513 |