CN104036862A - Single-core crosslinked polyethylene insulated power cable - Google Patents
Single-core crosslinked polyethylene insulated power cable Download PDFInfo
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- CN104036862A CN104036862A CN201410296362.XA CN201410296362A CN104036862A CN 104036862 A CN104036862 A CN 104036862A CN 201410296362 A CN201410296362 A CN 201410296362A CN 104036862 A CN104036862 A CN 104036862A
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Abstract
The invention discloses a single-core crosslinked polyethylene insulated power cable which is provided with a conductor, a conductor insulating layer, a lining layer, a first insulating layer, a wrapping layer, a second insulating layer and an outer sheath in sequence from inside to outside. The conductor insulating layer is formed by bonding a crosslinked polyethylene insulating material layer and a plastic layer in a composite mode. The first insulating layer is formed by bonding a crosslinked polyethylene insulating material layer, a plastic layer and the other crosslinked polyethylene insulating material layer from inside to outside in a composite mode. The second insulating layer is formed by bonding a crosslinked polyethylene insulating material layer, a plastic layer, the other crosslinked polyethylene insulating material layer and the other plastic layer from inside to outside in a composite mode. The single-core crosslinked polyethylene insulated power cable has the advantages of being good in corrosion resistance, flame retardance and safety, resistant to a high temperature and suitable for being applied to electric heating equipment and anti-corrosion places.
Description
Technical field
The present invention relates to electric wire field, especially a kind of single-core crosslinking polyethylene insulating power cable.
Background technology
Power cable with cross-linked polyethylene insulation refers to that exhausted cable insulation material adopts the crosslinked polyetylene insulated cable processing.
The crosslinked polyethylene that mainly contains two types that cable industry uses now.Make a crosslinking agent with silane, be crosslinked with silicane material, be mainly used on the insulating barrier of low tension wire cable.Another kind is the crosslinked polyethylene material of making crosslinking agent with cumyl peroxide (DCP), it is mainly made up of polyethylene, crosslinking agent and antioxidant, be mainly used on the insulating barrier of middle high-pressure cable, to higher grade of dielectric voltage withstand, require degree of purity just higher.
, because insulating barrier is all to adopt single layer structure, there is corrosion-resistant, poor fire, poor stability, heat-resisting quantity deficiency in existing power cable with cross-linked polyethylene insulation, is therefore not suitable for electric heating equipment and corrosion-resistant place and uses.
Summary of the invention
The present invention for solve the deficiencies in the prior art provide a kind of corrosion resistance and good, anti-flammability, fail safe good, high temperature resistant, be suitable for the single-core crosslinking polyethylene insulating power cable that electric heating equipment and corrosion-resistant place are used.
For solving above technical problem, a kind of single-core crosslinking polyethylene insulating power cable of the present invention, this cable is provided with conductor, insulating layer of conductor, inner covering, the first insulating barrier, belting layer, the second insulating barrier and oversheath from inside to outside successively; Described insulating layer of conductor is formed by crosslinked polyethylene insulation material layer and compound being sticked together of plastic layer; The first described insulating barrier is formed by crosslinked polyethylene insulation material layer, plastic layer and three layers of compound being sticked together of crosslinked polyethylene insulation material layer from inside to outside; The second described insulating barrier is formed by crosslinked polyethylene insulation material layer, plastic layer, crosslinked polyethylene insulation material layer and four layers of compound being sticked together of plastic layer from inside to outside.
Further improve, compound being sticked together of plastic layer that the crosslinked polyethylene insulation material layer that described insulating layer of conductor is 0.5-1mm by thickness and thickness are 1-1.5mm forms.
Further improve, three layers of compound being sticked together of crosslinked polyethylene insulation material layer that the crosslinked polyethylene insulation material layer that the first described insulating barrier is 0.5-1mm by thickness from inside to outside, the plastic layer that thickness is 1-1.5mm and thickness are 1-1.5mm form.
Further improve, the second described insulating barrier is that 0.5-1mm crosslinked polyethylene insulation material layer, the thickness plastic layer that is 1-1.5mm, crosslinked polyethylene insulation material layer and the thickness that thickness is 1-1.5mm are that four layers of compound being sticked together of 2-2.5mm plastic layer form by thickness from inside to outside.
Beneficial effect of the present invention is:
Compared with prior art, main improvement of the present invention is: insulating layer of conductor has adopted new structure, becomes two layer composite structure from original one deck structure, and the first insulating barrier, the second insulating barrier become three layers, four layers composite construction by one deck structure respectively; Use this structure, make cable there is good corrosion resistance, anti-flammability, fail safe, heat-resisting quantity, be suitable for electric heating equipment and the use of corrosion-resistant place.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of insulating layer of conductor of the present invention;
Fig. 3 is the structural representation of the first insulating barrier of the present invention;
Fig. 4 is the structural representation of the second insulating barrier of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be described further.
As shown in Figure 1, a kind of single-core crosslinking polyethylene insulating power cable, this cable is provided with conductor 1, insulating layer of conductor 2, inner covering 3, the first insulating barrier 4, belting layer 5, the second insulating barrier 6 and oversheath 7 from inside to outside successively.
As shown in Figure 2, compound being sticked together of plastic layer that the crosslinked polyethylene insulation material layer that described insulating layer of conductor 1 is 0.5-1mm by thickness and thickness are 1-1.5mm forms.
As shown in Figure 3, three layers of compound being sticked together of crosslinked polyethylene insulation material layer that the crosslinked polyethylene insulation material layer that the first described insulating barrier 4 is 0.5-1mm by thickness from inside to outside, the plastic layer that thickness is 1-1.5mm and thickness are 1-1.5mm form.
As shown in Figure 4, the second described insulating barrier 6 is that 0.5-1mm crosslinked polyethylene insulation material layer, the thickness plastic layer that is 1-1.5mm, crosslinked polyethylene insulation material layer and the thickness that thickness is 1-1.5mm are that four layers of compound being sticked together of 2-2.5mm plastic layer form by thickness from inside to outside.
Above-mentioned is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvement and adjustment, these improvement and adjustment also should be considered as protection scope of the present invention.
Claims (4)
1. a single-core crosslinking polyethylene insulating power cable, is characterized in that: this cable is provided with conductor (1), insulating layer of conductor (2), inner covering (3), the first insulating barrier (4), belting layer (5), the second insulating barrier (6) and oversheath (7) from inside to outside successively; Described insulating layer of conductor (2) is formed by crosslinked polyethylene insulation material layer and compound being sticked together of plastic layer; Described the first insulating barrier (4) is formed by crosslinked polyethylene insulation material layer, plastic layer and three layers of compound being sticked together of crosslinked polyethylene insulation material layer from inside to outside; Described the second insulating barrier (6) is formed by crosslinked polyethylene insulation material layer, plastic layer, crosslinked polyethylene insulation material layer and four layers of compound being sticked together of plastic layer from inside to outside.
2. single-core crosslinking polyethylene insulating power cable according to claim 1, is characterized in that: compound being sticked together of plastic layer that the crosslinked polyethylene insulation material layer that described insulating layer of conductor (2) is 0.5-1mm by thickness and thickness are 1-1.5mm forms.
3. single-core crosslinking polyethylene insulating power cable according to claim 1, is characterized in that: three layers of compound being sticked together of crosslinked polyethylene insulation material layer that the crosslinked polyethylene insulation material layer that described the first insulating barrier (4) is 0.5-1mm by thickness from inside to outside, the plastic layer that thickness is 1-1.5mm and thickness are 1-1.5mm form.
4. single-core crosslinking polyethylene insulating power cable according to claim 1, is characterized in that: described the second insulating barrier (6) is that 0.5-1mm crosslinked polyethylene insulation material layer, the thickness plastic layer that is 1-1.5mm, crosslinked polyethylene insulation material layer and the thickness that thickness is 1-1.5mm are that four layers of compound being sticked together of 2-2.5mm plastic layer form by thickness from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410296362.XA CN104036862A (en) | 2014-06-27 | 2014-06-27 | Single-core crosslinked polyethylene insulated power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410296362.XA CN104036862A (en) | 2014-06-27 | 2014-06-27 | Single-core crosslinked polyethylene insulated power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104036862A true CN104036862A (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410296362.XA Pending CN104036862A (en) | 2014-06-27 | 2014-06-27 | Single-core crosslinked polyethylene insulated power cable |
Country Status (1)
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| CN (1) | CN104036862A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209101U (en) * | 1986-11-15 | 1987-12-12 | 郑净明 | Power cable with insulator of different dielectric constant |
| CN101383203A (en) * | 2008-10-17 | 2009-03-11 | 天津亿鑫通科技股份有限公司 | Coaxial cable for ultramicro signal transmission |
| CN201477966U (en) * | 2009-04-24 | 2010-05-19 | 安徽新华电缆(集团)有限公司 | Cable for special nuclear power plant |
| CN202167275U (en) * | 2011-06-08 | 2012-03-14 | 孟越峰 | Multi-layer insulated cable |
| CN103354127A (en) * | 2013-06-29 | 2013-10-16 | 安徽春辉仪表线缆集团有限公司 | High-temperature high-voltage cable |
| CN203966648U (en) * | 2014-06-27 | 2014-11-26 | 江苏凯达电缆有限公司 | A kind of single-core crosslinking polyethylene insulating power cable |
-
2014
- 2014-06-27 CN CN201410296362.XA patent/CN104036862A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209101U (en) * | 1986-11-15 | 1987-12-12 | 郑净明 | Power cable with insulator of different dielectric constant |
| CN101383203A (en) * | 2008-10-17 | 2009-03-11 | 天津亿鑫通科技股份有限公司 | Coaxial cable for ultramicro signal transmission |
| CN201477966U (en) * | 2009-04-24 | 2010-05-19 | 安徽新华电缆(集团)有限公司 | Cable for special nuclear power plant |
| CN202167275U (en) * | 2011-06-08 | 2012-03-14 | 孟越峰 | Multi-layer insulated cable |
| CN103354127A (en) * | 2013-06-29 | 2013-10-16 | 安徽春辉仪表线缆集团有限公司 | High-temperature high-voltage cable |
| CN203966648U (en) * | 2014-06-27 | 2014-11-26 | 江苏凯达电缆有限公司 | A kind of single-core crosslinking polyethylene insulating power cable |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |