CN208580604U - A kind of 20KV distribution power cable - Google Patents

A kind of 20KV distribution power cable Download PDF

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Publication number
CN208580604U
CN208580604U CN201820991706.2U CN201820991706U CN208580604U CN 208580604 U CN208580604 U CN 208580604U CN 201820991706 U CN201820991706 U CN 201820991706U CN 208580604 U CN208580604 U CN 208580604U
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CN
China
Prior art keywords
layer
outside
cable
distribution power
power cable
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.)
Expired - Fee Related
Application number
CN201820991706.2U
Other languages
Chinese (zh)
Inventor
王涛
郭玲
田筝
齐维民
李珂
荣芳
刘洁
魏长寅
杨丽琼
张延飞
唐丽丽
张媛
张梦娇
闵祥炬
易明进
王琨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Power Supply Design Institute Co Ltd
State Grid Corp of China SGCC
Wuhan Power Supply Co of State Grid Hubei Electric Power Co Ltd
Original Assignee
Wuhan Power Supply Design Institute Co Ltd
State Grid Corp of China SGCC
Wuhan Power Supply Co of State Grid Hubei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Power Supply Design Institute Co Ltd, State Grid Corp of China SGCC, Wuhan Power Supply Co of State Grid Hubei Electric Power Co Ltd filed Critical Wuhan Power Supply Design Institute Co Ltd
Priority to CN201820991706.2U priority Critical patent/CN208580604U/en
Application granted granted Critical
Publication of CN208580604U publication Critical patent/CN208580604U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of 20KV distribution power cables, including central spindle, the outer application of the central spindle has insulating lacquer layer, the outside of the insulating lacquer layer is equipped with conductive layer, the conductive layer includes more copper wire, and the more copper wire are stranded on the lateral wall of the insulating lacquer layer, and the outside of the conductive layer is equipped with electro-magnetic screen layer, the outside of the electro-magnetic screen layer is equipped with cooling layer, and the outside of the cooling layer is equipped with enhancement layer.The utility model is by setting rubber sleeve, hollow cavity and phase-change material, and when cable is when environment temperature is higher, the paraffin in hollow cavity can melt, melting point of paraffin wax is at 47-64 DEG C, it is paraffin melting to absorb a large amount of heat, and then radiate to cable, improve the heat resistance of cable;The wear-resisting property that wear-resisting protrusion improves cable is set by the outside in insulating protective sleeve, and then improves the service life of cable.

Description

A kind of 20KV distribution power cable
Technical field
The utility model relates to technical field of cables more particularly to a kind of 20KV distribution power cables.
Background technique
With the fast development of Chinese society economy, the important job facilities such as subway, power plant, tunnel and intelligent residential district, The densely populated places occasion such as large supermarket, skyscraper is more and more, in these large-scale tall buildings objects, needs to come using cable Realize power supply, the centre of building floor is arranged in transformer, and cable laying connects transformer in vertical shaft, drops by transformer It after pressure, powers to relevant device, cable is made of the conductor and external insulating protective layer of one or more mutually insulated, will be electric Power or information are transferred to the conducting wire at another place from one, and traditional cable product structure is too simple, and the environment of cable laying is multiple Miscellaneous, at 80 DEG C or so, its insulating layer occurs as soon as softening to environment locating for cable, or even is burned, and service life is short, and easily occurs Fire, while existing cable tensile capacity is weak, is easy to draw on cable when being laid with bad.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of 20KV distribution electricity proposed Power cable, by setting rubber sleeve, hollow cavity and phase-change material, when cable is when environment temperature is higher, in hollow cavity Paraffin can melt, and melting point of paraffin wax is paraffin melting to absorb a large amount of heat at 47-64 DEG C, and then radiates to cable, mention The heat resistance of high cable;The wear-resisting property that wear-resisting protrusion improves cable is set by the outside in insulating protective sleeve, in turn Improve the service life of cable.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of 20KV distribution power cable, including central spindle, the outer application of the central spindle have insulating lacquer layer, the insulated paint The outside of layer is equipped with conductive layer, and the conductive layer includes more copper wire, and the more copper wire are stranded in the outer of the insulating lacquer layer On side wall, the outside of the conductive layer is equipped with electro-magnetic screen layer, and the outside of the electro-magnetic screen layer is equipped with cooling layer, the cooling The outside of layer is equipped with enhancement layer, and the outside of the enhancement layer is equipped with waterproofing membrane, and the outside of the waterproofing membrane is equipped with insulation and protects Sheath.
Preferably, the cooling layer includes the rubber sleeve being arranged on the outside of electro-magnetic screen layer, in the side wall of the rubber sleeve Multiple hollow cavities are circumferentially equidistantly equipped with along it, are filled with phase-change material in each hollow cavity.
Preferably, the phase-change material is paraffin.
Preferably, the enhancement layer includes along the nylon mesh layer being arranged on the outside of cooling layer, the side wall of the nylon mesh layer Multiple reinforcing ribs are circumferentially equidistantly equipped with along it, spaced set multiple arcs plate between the two neighboring reinforcing rib is described The both ends of arc panel are respectively fixedly connected on the side wall of two reinforcing ribs.
Preferably, the surface of the insulating protective sleeve is equipped with multiple wear-resisting protrusions, and multiple wear-resisting protrusions are uniformly distributed In the outside of the insulating protective sleeve.
Preferably, the insulating protective sleeve be polyvinyl chloride and polytetrafluoroethylene material component and made of.
The utility model has the following beneficial effects:
1, by setting rubber sleeve, hollow cavity and phase-change material, when cable is when environment temperature is higher, in hollow cavity Paraffin can melt, and melting point of paraffin wax is paraffin melting to absorb a large amount of heat at 47-64 DEG C, and then radiates to cable, mention The heat resistance of high cable;
2, the wear-resisting property that wear-resisting protrusion improves cable is arranged by the outside in insulating protective sleeve, and then improves cable Service life.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of 20KV distribution power cable structural schematic diagram;
Fig. 2 be the utility model proposes a kind of 20KV distribution power cable external structure schematic diagram.
In figure: 1 wear-resisting protrusion, 2 reinforcing ribs, 3 arc panels, 4 rubber sleeves, 5 phase-change materials, 6 electro-magnetic screen layers, 7 copper wire, 8 Nylon mesh layer, 9 insulating lacquer layers, 10 central spindles, 11 insulating protective sleeves, 12 waterproofing membranes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of 20KV distribution power cable, including central spindle 10, the outer application of central spindle 10 have insulating lacquer layer 9, the outside of insulating lacquer layer 9 is equipped with conductive layer, and conductive layer includes more copper wire 7, and more copper wire 7 are stranded in the outer of insulating lacquer layer 9 On side wall, the outside of conductive layer is equipped with electro-magnetic screen layer 6, effectively prevents that magnetic field can be generated around electric current, does not influence other member Part, the outside of electro-magnetic screen layer 6 are equipped with cooling layer, and cooling layer includes the rubber sleeve 4 that 6 outside of electro-magnetic screen layer is arranged in, rubber Multiple hollow cavities are circumferentially equidistantly equipped with along it in the side wall of set 4, are filled with phase-change material 5, phase transformation material in each hollow cavity Material 5 is equipped with enhancement layer for the outside of paraffin cooling layer, and enhancement layer includes along the nylon mesh layer 8 being arranged on the outside of cooling layer, nylon The side wall of stratum reticulare 8 is circumferentially equidistantly equipped with multiple reinforcing ribs 2, the multiple arcs of spaced set between two neighboring reinforcing rib 2 along it Shape plate 3 improves the tensile capacity of cable, the both ends of arc panel 3 are respectively fixedly connected with by setting reinforcing rib 2 and arc panel 3 On the side wall of two reinforcing ribs 2, the outside of enhancement layer is equipped with waterproofing membrane 12, and waterproofing membrane 12 can prevent cable skin breakage Cable inner is intake afterwards, and the outside of waterproofing membrane 12 is equipped with insulating protective sleeve 11, and the surface of insulating protective sleeve 11 is equipped with multiple resistance to Mill protrusion 1, multiple wear-resisting raised 1 is evenly distributed on the outside of insulating protective sleeve 11, insulating protective sleeve 11 be by polyvinyl chloride and Polytetrafluoroethylene material component and it is manufactured.
It is higher in environment temperature when cable by setting rubber sleeve 4, hollow cavity and phase-change material 5 in the utility model When, the paraffin in hollow cavity can melt, and melting point of paraffin wax is paraffin melting to absorb a large amount of heat at 47-64 DEG C, and then to line Cable radiates, and improves the heat resistance of cable, by improving cable in the outside of insulating protective sleeve 11 setting wear-resisting raised 1 Wear-resisting property, and then improve cable service life.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of 20KV distribution power cable, including central spindle (10), which is characterized in that the outer application of the central spindle (10) has absolutely The outside of edge paint layer (9), the insulating lacquer layer (9) is equipped with conductive layer, and the conductive layer includes more copper wire (7), described in more Copper wire (7) is stranded on the lateral wall of the insulating lacquer layer (9), and the outside of the conductive layer is equipped with electro-magnetic screen layer (6), described The outside of electro-magnetic screen layer (6) is equipped with cooling layer, and the outside of the cooling layer is equipped with enhancement layer, and the outside of the enhancement layer is equipped with The outside of waterproofing membrane (12), the waterproofing membrane (12) is equipped with insulating protective sleeve (11).
2. a kind of 20KV distribution power cable according to claim 1, which is characterized in that the cooling layer includes that setting exists Rubber sleeve (4) on the outside of electro-magnetic screen layer (6), in the side wall of the rubber sleeve (4) along its it is circumferential be equidistantly equipped with it is multiple hollow Chamber is filled with phase-change material (5) in each hollow cavity.
3. a kind of 20KV distribution power cable according to claim 2, which is characterized in that the phase-change material (5) is stone Wax.
4. a kind of 20KV distribution power cable according to claim 1, which is characterized in that the enhancement layer includes along setting The side wall of nylon mesh layer (8) on the outside of cooling layer, the nylon mesh layer (8) is circumferential equidistantly equipped with multiple reinforcing ribs along it (2), spaced set multiple arcs plate (3) between the two neighboring reinforcing rib (2), the both ends difference of the arc panel (3) It is fixedly connected on the side wall of two reinforcing ribs (2).
5. a kind of 20KV distribution power cable according to claim 1, which is characterized in that the insulating protective sleeve (11) Surface is equipped with multiple wear-resisting raised (1), and multiple wear-resisting raised (1) are evenly distributed on the outer of the insulating protective sleeve (11) Side.
6. a kind of 20KV distribution power cable according to claim 1, which is characterized in that the insulating protective sleeve (11) is Made of polyvinyl chloride and polytetrafluoroethylene material component.
CN201820991706.2U 2018-06-26 2018-06-26 A kind of 20KV distribution power cable Expired - Fee Related CN208580604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820991706.2U CN208580604U (en) 2018-06-26 2018-06-26 A kind of 20KV distribution power cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820991706.2U CN208580604U (en) 2018-06-26 2018-06-26 A kind of 20KV distribution power cable

Publications (1)

Publication Number Publication Date
CN208580604U true CN208580604U (en) 2019-03-05

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Application Number Title Priority Date Filing Date
CN201820991706.2U Expired - Fee Related CN208580604U (en) 2018-06-26 2018-06-26 A kind of 20KV distribution power cable

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110596838A (en) * 2019-10-30 2019-12-20 江苏华脉光电科技有限公司 Anti-ice anti-aging self-supporting optical cable
CN112837859A (en) * 2020-12-31 2021-05-25 南京巍川科技有限公司 Phase-change temperature-control all-insulation optical unit composite wire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110596838A (en) * 2019-10-30 2019-12-20 江苏华脉光电科技有限公司 Anti-ice anti-aging self-supporting optical cable
CN112837859A (en) * 2020-12-31 2021-05-25 南京巍川科技有限公司 Phase-change temperature-control all-insulation optical unit composite wire
CN112837859B (en) * 2020-12-31 2022-06-28 惠州市德泓科技有限公司 Phase-change temperature-control all-insulation optical unit composite wire

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190305

Termination date: 20210626

CF01 Termination of patent right due to non-payment of annual fee