CN105225736B - Ventilation cooling type single-core flexible cable and manufacturing method thereof - Google Patents
Ventilation cooling type single-core flexible cable and manufacturing method thereof Download PDFInfo
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- CN105225736B CN105225736B CN201510748390.5A CN201510748390A CN105225736B CN 105225736 B CN105225736 B CN 105225736B CN 201510748390 A CN201510748390 A CN 201510748390A CN 105225736 B CN105225736 B CN 105225736B
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Abstract
The invention belongs to the technical field of cables, and particularly relates to a ventilation cooling type single-core flexible cable. The cable has a conductor, an insulating layer that wraps the conductor and an outer sheath that wraps the insulating layer, and is characterized in that the conductor is internally provided with at least one pipeline unit capable of dissipating heat in the conductor, and the pipeline units have heat dissipation holes inside. The invention also discloses a manufacturing method of the cable. The ventilation cooling type single-core flexible cable and the manufacturing method thereof solve the problems in the prior art that overheating of a flexible cable causes cable current-carrying capacity reduction, accelerated cable aging and the like, and have the beneficial technical effects of relatively slow temperature rise, relatively good aging resistance, relatively high current-carrying capacity, relatively small conductor consumption, relatively long cable life and the like.
Description
Technical field
The invention belongs to field of cable technology, especially relate to a kind of ventilating and cooling type single flexible cable and its manufacturer
Method.
Background technology
Home communications machine room flexible cable at present, for powering to communications equipment room.It is usually a lot of root cable layings one
Rise, single flexible cable in prior art as shown in figure 1, it be by conductor 1, conductor is enveloped insulating barrier 2, be coated on insulation
Oversheath 3 outside layer is constituted；This kind of cable is typically laid in communications equipment room, and due to cable transmission is low-voltage power, electricity
The heating of cable cable core is serious, and especially in summer, temperature is too high to accelerate sheath aging, shortens the service life of cable, or even can draw
Play the interruption of fire and communication.According to information, 26% fire be due to cable insulation, oversheath is aging causes；Conductor is supplying
Heat can be produced, especially in summer, the heat of generation can make indoor temperature significantly increase, therefore larger work(is usually taken in electric process
The air-conditioning of rate is lowering the temperature, but air-conditioning can only be from periphery cooling, heat is also intended to insulation through cable, sheath be dispersed into outer
Face, the insulation of such cable and sheath will bear higher temperature, can accelerate insulation, the aging speed of sheath, typically, temperature is every
Increase by 10 degree, the life-span of plastics can reduce half；Therefore, the undue heating of cable can lead to the obvious reduction in its life-span.
Content of the invention
In order to solve the above problems, an object of the present invention is to disclose a kind of ventilating and cooling type single flexible cable, this
Improving eyesight two be disclose this cable manufacture method, they employ the following technical solutions to realize.
A kind of ventilating and cooling type single flexible cable, it has conductor, the insulating barrier that conductor is enveloped and is coated on insulation
Oversheath outside layer is it is characterised in that described conductor has the pipeline that at least one can make the heat in conductor distribute
Unit, has louvre inside described piping unit.
Further, a kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit
There is outside wall body thermally conductive electricity isolated layer.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit is brass pipe or white
Copper pipe or iron pipe or aluminum pipe or compo pipe.
Further, a kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit is
Through annealing.
Yet further, a kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit
External diameter be 6～10m, wall thickness be 0.6～0.8mm.
Further, a kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit
Be embossing or not embossing, during embossing, embossing depth is the 1/20～1/5 of piping unit wall thickness.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that described conductor is 5 classes or 6 class copper are led
Body.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that the nominal section of described conductor is 120
～300mm2.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that the material of described insulating barrier is polychlorostyrene second
Alkene or flame-proof polyvinyl chloride, insulating barrier can be the shades of colour needing.
A kind of ventilating and cooling type single flexible cable described above it is characterised in that described insulating barrier thickness be 1.0～
4.0mm.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that the material of described oversheath is polychlorostyrene second
Alkene sheath or halogen-free and low-smoke flame-retardant polyolefin.
A kind of ventilating and cooling type single flexible cable described above it is characterised in that described oversheath thickness be 1.8～
4.0mm.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that its manufacture method includes following step
Rapid:
First take the internal brass pipe with louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, will
Conductor envelopes piping unit and forms cable core；Polrvinyl chloride or flame-proof polyvinyl chloride extrusion molding is taken to be coated on outside cable core and form insulation again
Layer；Then pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding is taken to be coated on and form oversheath outside exhausted layer；Wherein, institute
The external diameter stating piping unit is 6～10m, wall thickness is 0.6～0.8mm；Described piping unit is embossing or not embossing, rolls
During stricture of vagina, embossing depth is the 1/20～1/5 of piping unit wall thickness；Described conductor is 5 classes or 6 class copper conductors；Described conductor nominal
Section is 120～300mm2；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 single flexible cable is it is characterised in that its manufacture method includes following steps:
First take the internal brass pipe with louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, will
Conductor envelopes piping unit and forms cable core；Polrvinyl chloride or flame-proof polyvinyl chloride extrusion molding is taken to be coated on outside cable core and form insulation again
Layer；Then pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding is taken to be coated on and form oversheath outside exhausted layer；Wherein, institute
The external diameter stating piping unit is 6～10m, wall thickness is 0.6～0.8mm；Described piping unit is embossing or not embossing, rolls
During stricture of vagina, embossing depth is the 1/20～1/5 of piping unit wall thickness；Described conductor is 5 classes or 6 class copper conductors；Described conductor nominal
Section is 120～300mm2；The thickness of described insulating barrier is 1.0～4.0mm；The thickness of described oversheath is 1.8～4.0mm；
There is outside the wall body of described piping unit thermally conductive electricity isolated layer.
In the present invention, in the louvre of piping unit, by siphonage or forced ventilation or logical cooling medium, make conductor
The heat producing quickly is discharged to outdoor, cable insulation, oversheath can be avoided to bear too high temperature rise, improve the use longevity of cable
Life, reduces the probability that fire or communicating interrupt occur simultaneously；In the present invention, when pipeline material is for metal, have more excellent
Good heat conductivility, can greatly reduce the temperature rise of cable, have more preferable heat transfer property, make the heat that conductor temp.-elevating produces
Shed from inside, reduce the thermal shock to insulating barrier and oversheath；Due to the reduction of temperature, the conductor in same section can be made
Current-carrying capacity higher, namely can in identical current-carrying capacity, reduce conductor sectional area, reduce cable in conductor consumption,
And then make cost lower.
The present invention have temperature rise slower, more resistant to aging, current-carrying capacity is higher, conductor consumption is less, cable life is longer etc.
Advantageous Effects.
Brief description
Fig. 1 is the cross-sectional structure schematic diagram of single flexible cable of the prior art.
Fig. 2 is the cross-sectional structure schematic diagram of embodiment 1 of the present invention.
Fig. 3 is the cross-sectional structure schematic diagram of embodiment 2 of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of embodiment 3 of the present invention.
Specific embodiment
Embodiment 1
Ask for an interview Fig. 2, a kind of ventilating and cooling type single flexible cable, it have conductor 1, the insulating barrier 2 that conductor is enveloped and
Being coated on the oversheath 3 outside insulating barrier can make the heat in conductor distribute it is characterised in that described conductor has
Piping unit 4, described piping unit is one and the central authorities positioned at conductor, has louvre inside piping unit.
Embodiment 2
Ask for an interview Fig. 3, a kind of ventilating and cooling type single flexible cable, it have conductor 1, the insulating barrier 2 that conductor is enveloped and
Being coated on the oversheath 3 outside insulating barrier can make the heat in conductor distribute it is characterised in that described conductor has
Piping unit 4, described piping unit is three, has louvre inside each piping unit.
Certainly, a kind of ventilating and cooling type single flexible cable described above, the piping unit of described conductor can be also
Other multiple.
A kind of ventilating and cooling type single flexible cable described in above-mentioned embodiment 1 or embodiment 2 is it is characterised in that described
Piping unit is brass pipe or White Copper Tubes or iron pipe or aluminum pipe or compo pipe.
Further, a kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit is
Through annealing.
Yet further, a kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit
External diameter be 6～10m, wall thickness be 0.6～0.8mm.
Further, a kind of ventilating and cooling type single flexible cable described above is it is characterised in that described piping unit
Be embossing or not embossing, during embossing, embossing depth is the 1/20～1/5 of piping unit wall thickness.
Embodiment 3
Ask for an interview Fig. 4, a kind of ventilating and cooling type single flexible cable, it have conductor 1, the insulating barrier 2 that conductor is enveloped and
Being coated on the oversheath 3 outside insulating barrier can make the heat in conductor distribute it is characterised in that described conductor has
Piping unit 4, described piping unit is one and the central authorities positioned at conductor, has louvre, piping unit inside piping unit
Wall body outside there is thermally conductive electricity isolated layer 41.
A kind of ventilating and cooling type single flexible cable described above, described electricity isolated layer thickness is 0.2～2.0mm.
One of this embodiment ventilating and cooling type single flexible cable, the material of piping unit therein, physical dimension
Can be as embodiment；Certainly, the piping unit in this embodiment and the electric isolution outside piping unit wall body
Rotating fields are equally applicable in the structure of embodiment 2.
A kind of ventilating and cooling type single flexible cable described in any of the above-described embodiment is it is characterised in that described conductor is 5
Class 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 single flexible cable described above is it is characterised in that described conductor is acceptable
It is to be coated on outside piping unit in the way of casting.
A kind of ventilating and cooling type single flexible cable described in any of the above-described embodiment is it is characterised in that the mark of described conductor
Section is called 120～300mm2.
A kind of ventilating and cooling type single flexible cable described in any of the above-described embodiment is it is characterised in that described insulating barrier
Material is polrvinyl chloride or flame-proof polyvinyl chloride, and insulating barrier can be the shades of colour needing.
A kind of ventilating and cooling type single flexible cable described in any of the above-described embodiment is it is characterised in that described insulating barrier
Thickness is 1.0～4.0mm.
A kind of ventilating and cooling type single flexible cable described in any of the above-described embodiment is it is characterised in that described oversheath
Material is pvc sheath or halogen-free and low-smoke flame-retardant polyolefin.
A kind of ventilating and cooling type single flexible cable described in any of the above-described embodiment is it is characterised in that described oversheath
Thickness is 1.8～4.0mm.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that the material of described electricity isolated layer is plastics
Or pottery, electricity isolated layer can with heat conduction but cannot be conductive.
In the present invention, when having electricity isolated layer, even if conductive coolant can also in louvre；Described electricity isolated layer thickness
Preferably 0.1～1.0mm；Material can be plastics or pottery, can be politef or politef 99%(weight hundred during plastics
Point ratio), the antioxidant 0.5%(percentage by weight of model 1010), Tissuemat E 0.5%(percentage by weight) composite wood
Material, this composite makes heat transfer coefficient greatly improve and does not have electric conductivity.
A kind of ventilating and cooling type single flexible cable described above is it is characterised in that its manufacture method includes following step
Rapid:
First take the internal brass pipe with louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, will
Conductor envelopes piping unit and forms cable core；Polrvinyl chloride or flame-proof polyvinyl chloride extrusion molding is taken to be coated on outside cable core and form insulation again
Layer；Then pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding is taken to be coated on and form oversheath outside exhausted layer；Wherein, institute
The external diameter stating piping unit is 6～10m, wall thickness is 0.6～0.8mm；Described piping unit is embossing or not embossing, rolls
During stricture of vagina, embossing depth is the 1/20～1/5 of piping unit wall thickness；Described conductor is 5 classes or 6 class copper conductors；Described conductor nominal
Section is 120～300mm2；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 single flexible cable is it is characterised in that its manufacture method includes following steps:
First take the internal brass pipe with louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, will
Conductor envelopes piping unit and forms cable core；Polrvinyl chloride or flame-proof polyvinyl chloride extrusion molding is taken to be coated on outside cable core and form insulation again
Layer；Then pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding is taken to be coated on and form oversheath outside exhausted layer；Wherein, institute
The external diameter stating piping unit is 6～10m, wall thickness is 0.6～0.8mm；Described piping unit is embossing or not embossing, rolls
During stricture of vagina, embossing depth is the 1/20～1/5 of piping unit wall thickness；Described conductor is 5 classes or 6 class copper conductors；Described conductor nominal
Section is 120～300mm2；The thickness of described insulating barrier is 1.0～4.0mm；The thickness of described oversheath is 1.8～4.0mm；
There is outside the wall body of described piping unit thermally conductive electricity isolated layer；Described electricity isolated layer thickness is 0.1～1.0mm；Electricity every
Layer material be plastics or pottery, during plastics be politef or politef 99%(percentage by weight), model 1010
Antioxidant 0.5%(percentage by weight), Tissuemat E 0.5%(percentage by weight) composite.
In the present invention, in the louvre of piping unit, by siphonage or forced ventilation or logical cooling medium, make conductor
The heat producing quickly is discharged to outdoor, cable insulation, oversheath can be avoided to bear too high temperature rise, improve the use longevity of cable
Life, reduces the probability that fire or communicating interrupt occur simultaneously；In the present invention, when pipeline material is for metal, have more excellent
Good heat conductivility, can greatly reduce the temperature rise of cable, have more preferable heat transfer property, make the heat that conductor temp.-elevating produces
Shed from inside, reduce the thermal shock to insulating barrier and oversheath；Due to the reduction of temperature, the conductor in same section can be made
Current-carrying capacity higher, namely can in identical current-carrying capacity, reduce conductor sectional area, reduce cable in conductor consumption,
And then make cost lower.
The present invention have temperature rise slower, more resistant to aging, current-carrying capacity is higher, conductor consumption is less, cable life is longer etc.
Advantageous Effects.
The present invention is not limited to above-mentioned preferred forms it will be appreciated that the design of the present invention can be by other a variety of shapes
Formula is implemented to use, and they also fall within protection scope of the present invention.
Claims (1)
1. a kind of ventilating and cooling type single flexible cable is it is characterised in that its manufacture method includes following steps:
First take the internal brass pipe with louvre or White Copper Tubes or iron pipe or aluminum pipe or compo pipe as piping unit, by conductor
Envelope piping unit and form cable core；Polrvinyl chloride or flame-proof polyvinyl chloride extrusion molding is taken to be coated on outside cable core and form insulating barrier again；
Then pvc sheath or halogen-free and low-smoke flame-retardant polyolefin extrusion molding is taken to be coated on outside insulating barrier and form oversheath；Wherein, described
The external diameter of piping unit is 6～10m, wall thickness is 0.6～0.8mm；Described piping unit is embossing or not embossing, embossing
When embossing depth be piping unit wall thickness 1/20～1/5；Described conductor is 5 classes or 6 class copper conductors；The nominal of described conductor cuts
Face is 120～300mm2；The thickness of described insulating barrier is 1.0～4.0mm；The thickness of described oversheath is 1.8～4.0mm；Institute
State and there is outside the wall body of piping unit thermally conductive electricity isolated layer；Described electricity isolated layer thickness is 0.1～1.0mm；Electric isolution
Layer material be politef 99%(percentage by weight), the antioxidant 0.5%(percentage by weight of model 1010), polyethylene
Wax 0.5%(percentage by weight) composite.
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 CN105225736A (en) | 2016-01-06 |
| CN105225736B true 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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| CN (1) | CN105225736B (en) |
Families Citing this family (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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6740260B2 (en) * | 2002-03-09 | 2004-05-25 | Mccord Stuart James | Tungsten-precursor composite |
-
2015
- 2015-11-07 CN CN201510748390.5A patent/CN105225736B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
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| CN105225736A (en) | 2016-01-06 |
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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. |