CN105225736A - A kind of ventilating and cooling type list core flexible cable and manufacture method thereof - Google Patents
A kind of ventilating and cooling type list core flexible cable and manufacture method thereof Download PDFInfo
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- CN105225736A CN105225736A CN201510748390.5A CN201510748390A CN105225736A CN 105225736 A CN105225736 A CN 105225736A CN 201510748390 A CN201510748390 A CN 201510748390A CN 105225736 A CN105225736 A CN 105225736A
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- piping unit
- conductor
- ventilating
- flexible cable
- cooling type
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Abstract
The invention belongs to field of cable technology, especially a kind of ventilating and cooling type list core flexible cable is related to, the oversheath that it has conductor, the insulating barrier enveloped by conductor and is coated on outside insulating barrier, it is characterized in that the piping unit that described conductor has at least one heat in conductor can be made to distribute, described piping unit inside has louvre.Present invention further teaches the manufacture method of this cable.The invention solves flexible cable in prior art too to generate heat problems such as causing current-carrying capacity of cable reduction, cable accelerated ageing.The present invention have temperature rise more slowly, the Advantageous Effects such as more ageing-resistant, ampacity is higher, conductor consumption is less, cable life is longer.
Description
Technical field
The invention belongs to field of cable technology, especially relate to a kind of ventilating and cooling type list core flexible cable and manufacture method thereof.
Background technology
Current home communications machine room flexible cable, for powering to communications equipment room.Be generally a lot of root cable laying together, in prior art, single core flexible cable is as shown in Figure 1, and it is made up of conductor 1, the insulating barrier 2 enveloped by conductor, the oversheath 3 be coated on outside insulating barrier; This kind of cable is generally laid in communications equipment room, and due to cable transmission is low-voltage power, and cable conductor heating is serious, and especially in summer, the too high sheath that can accelerate of temperature is aging, shortens the useful life of cable, even can cause the interruption of fire and communication.According to made, the fire of 26% be due to cable insulation, oversheath is aging causes; Conductor can produce heat in power supply process, especially in summer, the heat produced can make indoor temperature significantly increase, therefore usually takes the air-conditioning of relatively high power to lower the temperature, but air-conditioning can only be lower the temperature from periphery, heat still will be dispersed into outside through the insulation of cable, sheath, the insulation of such cable and sheath will bear higher temperature, can accelerate the aging speed of insulation, sheath, generally, temperature often increases by 10 degree, and the life-span of plastics can reduce half; Therefore, the undue heating of cable can cause the obvious reduction in its life-span.
Summary of the invention
In order to solve the problem, an object of the present invention discloses a kind of ventilating and cooling type list core flexible cable, and two of the object of the invention discloses the manufacture method of this cable, and they realize by the following technical solutions.
A kind of ventilating and cooling type list core flexible cable, the oversheath that it has conductor, the insulating barrier enveloped by conductor and is coated on outside insulating barrier, it is characterized in that the piping unit that described conductor has at least one heat in conductor can be made to distribute, described piping unit inside has louvre.
Further, a kind of ventilating and cooling type list core flexible cable described above, is characterized in that the wall body outside of described piping unit has the electricity isolated layer that can conduct heat.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that described piping unit is brass tube or White Copper Tubes or iron pipe or aluminum pipe or compo pipe.
Further, a kind of ventilating and cooling type list core flexible cable described above, is characterized in that described piping unit is through annealing in process.
Again further, a kind of ventilating and cooling type list core flexible cable described above, is characterized in that the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm.
Further, a kind of ventilating and cooling type list core flexible cable described above, what it is characterized in that described piping unit is embossing or not embossing, and during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that described conductor is 5 classes or 6 class copper conductors.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that the nominal cross of described conductor is 120 ~ 300mm
2.
A kind of ventilating and cooling type list core flexible cable described above, it is characterized in that the material of described insulating barrier is polyvinyl chloride or flame-proof polyvinyl chloride, insulating barrier can be the shades of colour of needs.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that the thickness of described insulating barrier is 1.0 ~ 4.0mm.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that the material of described oversheath is pvc sheath or halogen-free and low-smoke flame-retardant polyolefin.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that the thickness of described oversheath is 1.8 ~ 4.0mm.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that its manufacture method includes following steps:
First get inside and there is the brass tube of louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, conductor is enveloped piping unit and form cable core; Get polyvinyl chloride or flame-proof polyvinyl chloride extrusion molding to be again coated on cable core and to form insulating barrier outward; Then get pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding to be coated on layer absolutely and to form oversheath outward; Wherein, the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm; Described piping unit be embossing or not embossing, during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness; Described conductor is 5 classes or 6 class copper conductors; The nominal cross of described conductor is 120 ~ 300mm
2; The thickness of described insulating barrier is 1.0 ~ 4.0mm; The thickness of described oversheath is 1.8 ~ 4.0mm.
A kind of ventilating and cooling type list core flexible cable, is characterized in that its manufacture method includes following steps:
First get inside and there is the brass tube of louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, conductor is enveloped piping unit and form cable core; Get polyvinyl chloride or flame-proof polyvinyl chloride extrusion molding to be again coated on cable core and to form insulating barrier outward; Then get pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding to be coated on layer absolutely and to form oversheath outward; Wherein, the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm; Described piping unit be embossing or not embossing, during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness; Described conductor is 5 classes or 6 class copper conductors; The nominal cross of described conductor is 120 ~ 300mm
2; The thickness of described insulating barrier is 1.0 ~ 4.0mm; The thickness of described oversheath is 1.8 ~ 4.0mm; The wall body outside of described piping unit has the electricity isolated layer that can conduct heat.
In the present invention, in the louvre of piping unit, by siphonage or forced ventilation or logical cooling medium, the heat that conductor is produced is discharged to outdoor fast, cable insulation can be avoided, oversheath bears too high temperature rise, improve the useful life of cable, reduce the possibility of fire or communicating interrupt generation simultaneously; In the present invention, when pipeline material is for metal, have more excellent heat conductivility, greatly can reduce the temperature rise of cable, have better heat transfer property, the heat that conductor temp .-elevating is produced sheds from inside, reduces the thermal shock to insulating barrier and oversheath; Due to the reduction of temperature, the ampacity of the conductor in same cross section can be made higher, also namely when identical ampacity, the sectional area of conductor can be reduced, reduce the consumption of conductor in cable, and then make cost lower.
The present invention have temperature rise more slowly, the Advantageous Effects such as more ageing-resistant, ampacity is higher, conductor consumption is less, cable life is longer.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of single core flexible cable of the prior art.
Fig. 2 is the cross-sectional structure schematic diagram of the invention process example 1.
Fig. 3 is the cross-sectional structure schematic diagram of the invention process example 2.
Fig. 4 is the cross-sectional structure schematic diagram of the invention process example 3.
Embodiment
embodiment 1
Ask for an interview Fig. 2, a kind of ventilating and cooling type list core flexible cable, the oversheath 3 that it has conductor 1, the insulating barrier 2 enveloped by conductor and is coated on outside insulating barrier, it is characterized in that described conductor has the piping unit 4 that the heat in conductor can be made to distribute, described piping unit is one and is positioned at the central authorities of conductor, and piping unit inside has louvre.
embodiment 2
Ask for an interview Fig. 3, a kind of ventilating and cooling type list core flexible cable, the oversheath 3 that it has conductor 1, the insulating barrier 2 enveloped by conductor and is coated on outside insulating barrier, it is characterized in that described conductor has the piping unit 4 that the heat in conductor can be made to distribute, described piping unit is three, and each piping unit inside has louvre.
Certainly, a kind of ventilating and cooling type list core flexible cable described above, the piping unit of described conductor also can be that other are multiple.
Above-mentioned embodiment 1 or a kind of ventilating and cooling type list core flexible cable described in embodiment 2, is characterized in that described piping unit is brass tube or White Copper Tubes or iron pipe or aluminum pipe or compo pipe.
Further, a kind of ventilating and cooling type list core flexible cable described above, is characterized in that described piping unit is through annealing in process.
Again further, a kind of ventilating and cooling type list core flexible cable described above, is characterized in that the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm.
Further, a kind of ventilating and cooling type list core flexible cable described above, what it is characterized in that described piping unit is embossing or not embossing, and during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness.
embodiment 3
Ask for an interview Fig. 4, a kind of ventilating and cooling type list core flexible cable, the oversheath 3 that it has conductor 1, the insulating barrier 2 enveloped by conductor and is coated on outside insulating barrier, it is characterized in that described conductor has the piping unit 4 that the heat in conductor can be made to distribute, described piping unit is one and is positioned at the central authorities of conductor, piping unit inside has louvre, and the wall body outside of piping unit has the electricity isolated layer 41 that can conduct heat.
A kind of ventilating and cooling type list core flexible cable described above, described electricity isolated layer thickness is 0.2 ~ 2.0mm.
A kind of ventilating and cooling type list core flexible cable in this embodiment, the material of piping unit wherein, physical dimension can be the same with embodiment; Certainly, the electricity isolated layer structure outside the piping unit in this embodiment and piping unit wall body can be applied in the structure of embodiment 2 equally.
A kind of ventilating and cooling type list core flexible cable described in above-mentioned arbitrary embodiment, it is characterized in that described conductor is 5 classes or 6 class copper conductors or aluminium conductor or alloy conductor, described conductor and piping unit press.
Further, a kind of ventilating and cooling type list core flexible cable described above, is characterized in that described conductor can also be that the mode of casting is coated on piping unit outside.
A kind of ventilating and cooling type list core flexible cable described in above-mentioned arbitrary embodiment, is characterized in that the nominal cross of described conductor is 120 ~ 300mm
2.
A kind of ventilating and cooling type list core flexible cable described in above-mentioned arbitrary embodiment, it is characterized in that the material of described insulating barrier is polyvinyl chloride or flame-proof polyvinyl chloride, insulating barrier can be the shades of colour of needs.
A kind of ventilating and cooling type list core flexible cable described in above-mentioned arbitrary embodiment, is characterized in that the thickness of described insulating barrier is 1.0 ~ 4.0mm.
A kind of ventilating and cooling type list core flexible cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described oversheath is pvc sheath or halogen-free and low-smoke flame-retardant polyolefin.
A kind of ventilating and cooling type list core flexible cable described in above-mentioned arbitrary embodiment, is characterized in that the thickness of described oversheath is 1.8 ~ 4.0mm.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that the material of described electricity isolated layer is plastics or pottery, and electricity isolated layer can heat conduction but cannot conduct electricity.
In the present invention, when having electricity isolated layer, even if it is also passable to conduct electricity cooling fluid in louvre; Described electricity isolated layer thickness preferably 0.1 ~ 1.0mm; Material can be plastics or pottery, can be polytetrafluoroethylene or polytetrafluoroethylene 99%(percentage by weight during plastics), model be 1010 antioxidant 0.5%(percentage by weight), Tissuemat E 0.5%(percentage by weight) composite material, this composite material makes thermal transmission coefficient greatly improve and does not have conductivity.
A kind of ventilating and cooling type list core flexible cable described above, is characterized in that its manufacture method includes following steps:
First get inside and there is the brass tube of louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, conductor is enveloped piping unit and form cable core; Get polyvinyl chloride or flame-proof polyvinyl chloride extrusion molding to be again coated on cable core and to form insulating barrier outward; Then get pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding to be coated on layer absolutely and to form oversheath outward; Wherein, the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm; Described piping unit be embossing or not embossing, during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness; Described conductor is 5 classes or 6 class copper conductors; The nominal cross of described conductor is 120 ~ 300mm
2; The thickness of described insulating barrier is 1.0 ~ 4.0mm; The thickness of described oversheath is 1.8 ~ 4.0mm.
A kind of ventilating and cooling type list core flexible cable, is characterized in that its manufacture method includes following steps:
First get inside and there is the brass tube of louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, conductor is enveloped piping unit and form cable core; Get polyvinyl chloride or flame-proof polyvinyl chloride extrusion molding to be again coated on cable core and to form insulating barrier outward; Then get pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding to be coated on layer absolutely and to form oversheath outward; Wherein, the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm; Described piping unit be embossing or not embossing, during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness; Described conductor is 5 classes or 6 class copper conductors; The nominal cross of described conductor is 120 ~ 300mm
2; The thickness of described insulating barrier is 1.0 ~ 4.0mm; The thickness of described oversheath is 1.8 ~ 4.0mm; The wall body outside of described piping unit has the electricity isolated layer that can conduct heat; Described electricity isolated layer thickness is 0.1 ~ 1.0mm; Electricity isolated layer material is plastics or pottery, is polytetrafluoroethylene or polytetrafluoroethylene 99%(percentage by weight during plastics), model be 1010 antioxidant 0.5%(percentage by weight), Tissuemat E 0.5%(percentage by weight) composite material.
In the present invention, in the louvre of piping unit, by siphonage or forced ventilation or logical cooling medium, the heat that conductor is produced is discharged to outdoor fast, cable insulation can be avoided, oversheath bears too high temperature rise, improve the useful life of cable, reduce the possibility of fire or communicating interrupt generation simultaneously; In the present invention, when pipeline material is for metal, have more excellent heat conductivility, greatly can reduce the temperature rise of cable, have better heat transfer property, the heat that conductor temp .-elevating is produced sheds from inside, reduces the thermal shock to insulating barrier and oversheath; Due to the reduction of temperature, the ampacity of the conductor in same cross section can be made higher, also namely when identical ampacity, the sectional area of conductor can be reduced, reduce the consumption of conductor in cable, and then make cost lower.
The present invention have temperature rise more slowly, the Advantageous Effects such as more ageing-resistant, ampacity is higher, conductor consumption is less, cable life is longer.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.
Claims (10)
1. a ventilating and cooling type list core flexible cable, the oversheath that it has conductor, the insulating barrier enveloped by conductor and is coated on outside insulating barrier, it is characterized in that the piping unit that described conductor has at least one heat in conductor can be made to distribute, described piping unit inside has louvre.
2. a kind of ventilating and cooling type list core flexible cable according to claim 1, is characterized in that the wall body outside of described piping unit has the electricity isolated layer that can conduct heat.
3. according to a kind of ventilating and cooling type list core flexible cable according to claim 1 or claim 2, it is characterized in that described piping unit is brass tube or White Copper Tubes or iron pipe or aluminum pipe or compo pipe, described piping unit is through annealing in process.
4. a kind of ventilating and cooling type list core flexible cable according to claim 3, is characterized in that the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm.
5. a kind of ventilating and cooling type list core flexible cable according to claim 4, what it is characterized in that described piping unit is embossing or not embossing, and during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness.
6. a kind of ventilating and cooling type list core flexible cable according to claim 5, is characterized in that described conductor is 5 classes or 6 class copper conductors; The nominal cross of described conductor is 120 ~ 300mm
2.
7. a kind of ventilating and cooling type list core flexible cable according to claim 7, is characterized in that the material of described insulating barrier is polyvinyl chloride or flame-proof polyvinyl chloride; The thickness of described insulating barrier is 1.0 ~ 4.0mm.
8. a kind of ventilating and cooling type list core flexible cable according to claim 1, is characterized in that the material of described oversheath is pvc sheath or halogen-free and low-smoke flame-retardant polyolefin; The thickness of described oversheath is 1.8 ~ 4.0mm.
9. a ventilating and cooling type list core flexible cable, is characterized in that its manufacture method includes following steps:
First get inside and there is the brass tube of louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, conductor is enveloped piping unit and form cable core; Get polyvinyl chloride or flame-proof polyvinyl chloride extrusion molding to be again coated on cable core and to form insulating barrier outward; Then get pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding to be coated on layer absolutely and to form oversheath outward; Wherein, the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm; Described piping unit be embossing or not embossing, during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness; Described conductor is 5 classes or 6 class copper conductors; The nominal cross of described conductor is 120 ~ 300mm
2; The thickness of described insulating barrier is 1.0 ~ 4.0mm; The thickness of described oversheath is 1.8 ~ 4.0mm.
10. a ventilating and cooling type list core flexible cable, is characterized in that its manufacture method includes following steps:
First get inside and there is the brass tube of louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, conductor is enveloped piping unit and form cable core; Get polyvinyl chloride or flame-proof polyvinyl chloride extrusion molding to be again coated on cable core and to form insulating barrier outward; Then get pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding to be coated on layer absolutely and to form oversheath outward; Wherein, the external diameter of described piping unit is 6 ~ 10m, wall thickness is 0.6 ~ 0.8mm; Described piping unit be embossing or not embossing, during embossing, the embossing degree of depth is 1/20 ~ 1/5 of piping unit wall thickness; Described conductor is 5 classes or 6 class copper conductors; The nominal cross of described conductor is 120 ~ 300mm
2; The thickness of described insulating barrier is 1.0 ~ 4.0mm; The thickness of described oversheath is 1.8 ~ 4.0mm; The wall body outside of described piping unit has the electricity isolated layer that can conduct heat; Described electricity isolated layer thickness is 0.1 ~ 1.0mm; Electricity isolated layer material is plastics or pottery, is polytetrafluoroethylene or polytetrafluoroethylene 99%(percentage by weight during plastics), model be 1010 antioxidant 0.5%(percentage by weight), Tissuemat E 0.5%(percentage by weight) composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510748390.5A CN105225736B (en) | 2015-11-07 | 2015-11-07 | Ventilation cooling type single-core flexible cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510748390.5A CN105225736B (en) | 2015-11-07 | 2015-11-07 | Ventilation cooling type single-core flexible cable and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105225736A true CN105225736A (en) | 2016-01-06 |
| CN105225736B CN105225736B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510748390.5A Active CN105225736B (en) | 2015-11-07 | 2015-11-07 | Ventilation cooling type single-core flexible cable and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094927A1 (en) * | 2016-11-28 | 2018-05-31 | 深圳市沃尔核材股份有限公司 | Cable, wire and charging equipment cooling system |
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| US20030168637A1 (en) * | 2002-03-09 | 2003-09-11 | Mccord Stuart James | Tungsten-precursor composite |
| CN101546626A (en) * | 2009-05-05 | 2009-09-30 | 天津市津特线缆有限责任公司 | Hollow self-cooled cable |
| CN101894626A (en) * | 2009-05-19 | 2010-11-24 | 苑顺法 | Hollow cable |
| CN204332439U (en) * | 2014-10-28 | 2015-05-13 | 江苏俊知技术有限公司 | A kind of new structure controllable high-temperature-resgelant cable |
| CN205069167U (en) * | 2015-11-07 | 2016-03-02 | 中利科技集团股份有限公司 | Forced -air cooling type list core flexible cable |
-
2015
- 2015-11-07 CN CN201510748390.5A patent/CN105225736B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030168637A1 (en) * | 2002-03-09 | 2003-09-11 | Mccord Stuart James | Tungsten-precursor composite |
| CN101546626A (en) * | 2009-05-05 | 2009-09-30 | 天津市津特线缆有限责任公司 | Hollow self-cooled cable |
| CN101894626A (en) * | 2009-05-19 | 2010-11-24 | 苑顺法 | Hollow cable |
| CN204332439U (en) * | 2014-10-28 | 2015-05-13 | 江苏俊知技术有限公司 | A kind of new structure controllable high-temperature-resgelant cable |
| CN205069167U (en) * | 2015-11-07 | 2016-03-02 | 中利科技集团股份有限公司 | Forced -air cooling type list core flexible cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094927A1 (en) * | 2016-11-28 | 2018-05-31 | 深圳市沃尔核材股份有限公司 | Cable, wire and charging equipment cooling system |
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| CN105225736B (en) | 2017-01-18 |
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Address after: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu Patentee after: Jiangsu Zhongli group Limited by Share Ltd Address before: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu Patentee before: Zhongli Science & Technology Group Co., Ltd. |