CN102097170B - Low-voltage power supply cable - Google Patents
Low-voltage power supply cable Download PDFInfo
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- CN102097170B CN102097170B CN 201010585164 CN201010585164A CN102097170B CN 102097170 B CN102097170 B CN 102097170B CN 201010585164 CN201010585164 CN 201010585164 CN 201010585164 A CN201010585164 A CN 201010585164A CN 102097170 B CN102097170 B CN 102097170B
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Abstract
The invention discloses a low-voltage power supply cable, which comprises an insulated wire core, a lapped layer coated outside the insulated wire core, a shielding layer coated outside the lapped layer, and an outer sheath coated outside the shielding layer. The power supply cable is characterized in that: the insulated wire core consists of a live wire insulated wire core and a zero wire insulated wire core arranged opposite, and a first spare insulated wire core and a second spare insulated wire core arranged opposite; all the insulated wire cores consists of a conductive wire core and an insulated layer coated on the conductive wire core; and the conductive wire core is formed by composite stranding of multi-strand copper wires. The power supply cable has the characteristics of good environmental adaptability, wide service temperature range, capability of working for a long term under the conditions of high temperature, high humidity and low temperature, good soft bending performance, strong abrasion resistance, light structure, strong interference resistance, mouse resistance, ant resistance, environmental friendliness, high transmission traffic under the equal section and the like; and the low-voltage power supply cable is particularly suitable for transmitting alternating current and direct current in a low-voltage power system.
Description
Technical field
The invention belongs to power cable, relate to a kind of low-tension supply cable.Be suitable for the low-tension supply cable of making transmission AC and DC power supply in the low-voltage power system.
Background technology
In the prior art, be used for the cable of low-voltage power system general main by one group of insulated wire cores, be coated on the outer lapping layer of one group of insulated wire cores, be coated on the outer screen of lapping layer and be coated on the outer oversheath of screen etc. and form, insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core.Conductor wire core mainly is the regular stranded core of multiply that adopts industry standard to require, and the soft bending property of its cable is poor, ampacity is little; Material as the insulated wire cores insulating barrier mainly is polyvinyl chloride, and this kind material serviceability temperature scope has only-25 ℃～70 ℃, and its thermal softening point is low, is heated when surpassing 140 ℃, can decompose and emit hydrogen chloride; Stabilizer and the plasticizer that adds in the igelite is also toxic simultaneously; Cable core generally has only 2～3 cored structures, causes not rounding of construction of cable instability, outward appearance; Unshielded layer causes phase mutual interference between system, cable machinery poor performance; Material as the cable jacket protective layer mainly is neoprene, and this kind material electrical insulation capability and cold tolerance are poor.It is bigger to the influence of environment simultaneously it to be added man-hour, and the environmental protection cost is higher.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned deficiency of the prior art, provide a kind of can be in long-term work under hot and humid, the cryogenic conditions, have good mechanical performance and anti-environmental adaptability, in light weight, antijamming capability is strong, protection against rodents, anti-ant, environmental protection, multi-functional, be applicable to the low-tension supply cable that transmits the AC and DC power supply under the adverse circumstances.
Content of the present invention is: a kind of low-tension supply cable, comprise: one group of insulated wire cores, be coated on the outer lapping layer of one group of insulated wire cores, be coated on the outer screen of lapping layer and be coated on the outer oversheath of screen, it is characterized in that: described one group of insulated wire cores is made up of with the second standby insulated wire cores (7) the live wire insulated wire cores (3) that is oppositely arranged and zero line insulated wire cores (4) and the first standby insulated wire cores (5) that is oppositely arranged; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire.
In the content of the present invention: described live wire insulated wire cores (3) and zero line insulated wire cores (4), constituting sectional area by the tough pitch copper wire harness strand of 84 diameter 0.15mm is 1.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 24 diameter 0.15mm is 0.4mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
In the content of the present invention: described live wire insulated wire cores (3) and zero line insulated wire cores (4), being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 19 diameter 0.15mm is 2.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 30 diameter 0.15mm is 0.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
In the content of the present invention: described live wire insulated wire cores (3) and zero line insulated wire cores (4), being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 32 diameter 0.15mm is 4.0mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 37 diameter 0.15mm is 0.6mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
In the content of the present invention: described live wire insulated wire cores (3) and zero line insulated wire cores (4), being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 27 diameter 0.2mm is 6.0mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 52 diameter 0.15mm is 0.9mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
In the content of the present invention: described insulating barrier is the organosilane crosslinked polyethylene insulating barrier.
In the content of the present invention: described screen (1) is the copper covered steel wire woven shield.
In the content of the present invention: described oversheath (6) is termite-resistant rodent-resistant low smoke and low halogen material oversheath.
Compared with prior art, the present invention has following characteristics and beneficial effect:
(1) the present invention adopts ultra-fine annealed copper wire multiply bunch to make conductor wire core, fine pith stranding mode, has both satisfied the electric conductivity of cable, has improved flexibility and the ampacity of cable again;
(2) the present invention adopts organosilane crosslinked polyethylene to make insulating layer material, has not only satisfied insulation property but also alleviated product weight, has improved the product temperature resistant grade, has improved the mechanical performance of cable simultaneously;
(3) the present invention adopts braiding such as copper covered steel wire as screen, has not only improved anti-electromagnetic interference capability, but also has strengthened pull resistance;
(4) the present invention adopts termite-resistant rodent-resistant low smoke and low halogen elastomeric material to make cable jacket, has effectively improved the reliability that cable uses under adverse circumstances;
(5) insulated wire cores of the present invention adopt 4 cored structures by the live wire insulated wire cores that is oppositely arranged and zero line insulated wire cores, and the insulated wire cores of the first standby insulated wire cores that is oppositely arranged and the second standby insulated wire cores composition, the first standby insulated wire cores and the second standby insulated wire cores both can be used as inserts, also can be used as earth connection (when cable uses as the three phase mains cable), also the first standby insulated wire cores and live wire insulated wire cores can be connected in parallel, the use that is connected in parallel of the second standby insulated wire cores and zero line insulated wire cores, with the ampacity (when cable uses as the single phase poaer supply cable) of increase cable, thereby realize multifunctional usage;
(6) the present invention is owing to adopt said structure and material, so cable has good anti-environmental adaptability, can be in long-term work under hot and humid, the cryogenic conditions; And soft good bending property, resistance to wear is good, structure is light and handy, antijamming capability is strong, protection against rodents, anti-ant, environmental protection, with characteristics and functions such as delivery flow rate under the uiform section are big, practical.
Description of drawings
Fig. 1 is embodiment of the invention structural representation;
Fig. 2 is embodiment of the invention cross section (radially analysing and observe) structural representation.
Among the figure: 1-screen, 2-lapping layer, 3-live wire insulated wire cores, 4-zero line insulated wire cores, 5-the first standby insulated wire cores, 6-oversheath, 7-the second standby insulated wire cores.
Embodiment
Embodiment given below intends so that the invention will be further described; but can not be interpreted as it is limiting the scope of the invention; the person skilled in art to some nonessential improvement and adjustment that the present invention makes, still belongs to protection scope of the present invention according to the content of the invention described above.
Embodiment 1:
A kind of low-tension supply cable comprises: one group of insulated wire cores, be coated on the outer lapping layer 2 of one group of insulated wire cores, be coated on the outer screen 1 of lapping layer 2 and be coated on the outer oversheath 6 of screen 1; Described one group of insulated wire cores is made up of the live wire insulated wire cores that is oppositely arranged 3 and zero line insulated wire cores 4 and the first standby insulated wire cores 5 that is oppositely arranged and the second standby insulated wire cores 7; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores 3 and zero line insulated wire cores 4, constituting sectional area by the tough pitch copper wire harness strand of 84 diameter 0.15mm is 1.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores 5 and the second standby insulated wire cores 7, constituting sectional area by the tough pitch copper wire harness of 24 diameter 0.15mm strand is 0.4mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
Embodiment 2:
A kind of low-tension supply cable comprises: one group of insulated wire cores, be coated on the outer lapping layer 2 of one group of insulated wire cores, be coated on the outer screen 1 of lapping layer 2 and be coated on the outer oversheath 6 of screen 1; Described one group of insulated wire cores is made up of the live wire insulated wire cores that is oppositely arranged 3 and zero line insulated wire cores 4 and the first standby insulated wire cores 5 that is oppositely arranged and the second standby insulated wire cores 7; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores 3 and zero line insulated wire cores 4, being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 19 diameter 0.15mm is 2.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores 5 and the second standby insulated wire cores 7, constituting sectional area by the tough pitch copper wire harness of 30 diameter 0.15mm strand is 0.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
Embodiment 3:
A kind of low-tension supply cable comprises: one group of insulated wire cores, be coated on the outer lapping layer 2 of one group of insulated wire cores, be coated on the outer screen 1 of lapping layer 2 and be coated on the outer oversheath 6 of screen 1; Described one group of insulated wire cores is made up of the live wire insulated wire cores that is oppositely arranged 3 and zero line insulated wire cores 4 and the first standby insulated wire cores 5 that is oppositely arranged and the second standby insulated wire cores 7; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores 3 and zero line insulated wire cores 4, being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 32 diameter 0.15mm is 4.0mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores 5 and the second standby insulated wire cores 7, constituting sectional area by the tough pitch copper wire harness of 37 diameter 0.15mm strand is 0.6mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
Embodiment 4:
A kind of low-tension supply cable comprises: one group of insulated wire cores, be coated on the outer lapping layer 2 of one group of insulated wire cores, be coated on the outer screen 1 of lapping layer 2 and be coated on the outer oversheath 6 of screen 1; Described one group of insulated wire cores is made up of the live wire insulated wire cores that is oppositely arranged 3 and zero line insulated wire cores 4 and the first standby insulated wire cores 5 that is oppositely arranged and the second standby insulated wire cores 7; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores 3 and zero line insulated wire cores 4, being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 27 diameter 0.2mm is 6.0mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores 5 and the second standby insulated wire cores 7, constituting sectional area by the tough pitch copper wire harness of 52 diameter 0.15mm strand is 0.9mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
In above-described embodiment: described insulating barrier is that the organosilane crosslinked polyethylene insulating barrier (is that the organosilane crosslinked polyethylene insulating material is extruded in conductor wire core and makes the same prior art of method outward; The organosilane crosslinked polyethylene insulating material can be meet Chinese mechanical industry standard JB/T10437-2004, model is the organosilane crosslinked polyethylene insulating material of YJG-3, there is Chengdu Ka Ante composite material Co., Ltd, Ka Ante plasticizing (Xiamen) Co., Ltd etc. in manufacturing enterprise).
In above-described embodiment: described screen 1 is copper covered steel wire woven shield (being that the copper covered steel wire braiding forms braiding and the same prior art of using method).
In above-described embodiment: described oversheath 6 is termite-resistant rodent-resistant low smoke and low halogen material oversheath (be termite-resistant rodent-resistant low smoke and low halogen material be extruded in screen 1 is outer makes the same prior art of method).Described termite-resistant rodent-resistant low smoke and low halogen material can be the prior art materials such as elastic polyurethane protective cover material that Shanghai Sirui PolymerTechnology Co., Ltd. produces.
The invention is not restricted to above-described embodiment, content of the present invention is described all can implement and have described good result.
Claims (7)
1. low-tension supply cable, comprise: one group of insulated wire cores, be coated on the outer lapping layer of one group of insulated wire cores, be coated on the outer screen of lapping layer and be coated on the outer oversheath of screen, it is characterized in that: described one group of insulated wire cores is made up of with the second standby insulated wire cores (7) the live wire insulated wire cores (3) that is oppositely arranged and zero line insulated wire cores (4) and the first standby insulated wire cores (5) that is oppositely arranged; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores (3) and zero line insulated wire cores (4), constituting sectional area by the tough pitch copper wire harness strand of 84 diameter 0.15mm is 1.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 24 diameter 0.15mm is 0.4mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
2. low-tension supply cable, comprise: one group of insulated wire cores, be coated on the outer lapping layer of one group of insulated wire cores, be coated on the outer screen of lapping layer and be coated on the outer oversheath of screen, it is characterized in that: described one group of insulated wire cores is made up of with the second standby insulated wire cores (7) the live wire insulated wire cores (3) that is oppositely arranged and zero line insulated wire cores (4) and the first standby insulated wire cores (5) that is oppositely arranged; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores (3) and zero line insulated wire cores (4), being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 19 diameter 0.15mm is 2.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 30 diameter 0.15mm is 0.5mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
3. low-tension supply cable, comprise: one group of insulated wire cores, be coated on the outer lapping layer of one group of insulated wire cores, be coated on the outer screen of lapping layer and be coated on the outer oversheath of screen, it is characterized in that: described one group of insulated wire cores is made up of with the second standby insulated wire cores (7) the live wire insulated wire cores (3) that is oppositely arranged and zero line insulated wire cores (4) and the first standby insulated wire cores (5) that is oppositely arranged; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores (3) and zero line insulated wire cores (4), being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 32 diameter 0.15mm is 4.0mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 37 diameter 0.15mm is 0.6mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
4. low-tension supply cable, comprise: one group of insulated wire cores, be coated on the outer lapping layer of one group of insulated wire cores, be coated on the outer screen of lapping layer and be coated on the outer oversheath of screen, it is characterized in that: described one group of insulated wire cores is made up of with the second standby insulated wire cores (7) the live wire insulated wire cores (3) that is oppositely arranged and zero line insulated wire cores (4) and the first standby insulated wire cores (5) that is oppositely arranged; Described insulated wire cores constitutes by conductor wire core and the insulating barrier that is coated on the conductor wire core; Described conductor wire core is by 24～224 stranded forming of annealed copper wire;
Described live wire insulated wire cores (3) and zero line insulated wire cores (4), being twisted into one, again 7 bursts of multiple strands being constituted sectional area by the tough pitch copper wire harness of per 27 diameter 0.2mm is 6.0mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute; The described first standby insulated wire cores (5) and the second standby insulated wire cores (7), constituting sectional area by the tough pitch copper wire harness strand of 52 diameter 0.15mm is 0.9mm
2Conductor wire core and the insulating barrier that is coated on the conductor wire core constitute.
5. by claim 1,2,3 or 4 described low-tension supply cables, it is characterized in that: described insulating barrier is the organosilane crosslinked polyethylene insulating barrier.
6. by claim 1,2,3 or 4 described low-tension supply cables, it is characterized in that: described screen (1) is the copper covered steel wire woven shield.
7. by claim 1,2,3 or 4 described low-tension supply cables, it is characterized in that: described oversheath (6) is termite-resistant rodent-resistant low smoke and low halogen material oversheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010585164 CN102097170B (en) | 2010-12-13 | 2010-12-13 | Low-voltage power supply cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010585164 CN102097170B (en) | 2010-12-13 | 2010-12-13 | Low-voltage power supply cable |
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| CN102097170A CN102097170A (en) | 2011-06-15 |
| CN102097170B true CN102097170B (en) | 2013-08-14 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842369B (en) * | 2011-06-24 | 2015-05-20 | 上海市高桥电缆厂有限公司 | Safety electric wire |
| CN102446586B (en) * | 2011-08-30 | 2013-08-28 | 上海贝恩科电缆有限公司 | Rat-proof termite-proof low-smoke low-halogen leadless flame-retardant control cable for elevator shaft |
| CN102982871A (en) * | 2011-09-07 | 2013-03-20 | 德胜（苏州）洋楼有限公司 | Cable line for wood frame house |
| CN103915165A (en) * | 2014-03-14 | 2014-07-09 | 安徽华海特种电缆集团有限公司 | Cable for railway vehicle |
| CN109360677A (en) * | 2018-10-12 | 2019-02-19 | 李准 | A kind of multi-functional low temperature resistant low pressure flexible cable used for wind power generation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201936645U (en) * | 2010-12-13 | 2011-08-17 | 四川九洲线缆有限责任公司 | Low-voltage power supply cable |
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| CN201126731Y (en) * | 2007-12-04 | 2008-10-01 | 扬州亚光电缆有限公司 | Drag chain cable for novel deflection-resistant robot |
| CN201126733Y (en) * | 2007-12-04 | 2008-10-01 | 扬州亚光电缆有限公司 | Deflection-resistant high flexible cable for novel wind energy electrification |
| CN101393784A (en) * | 2008-10-21 | 2009-03-25 | 珠海汉胜科技股份有限公司 | Coaxial communication cable |
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