CN205406179U - Fire -resistant power cable of polyvinyl chloride insulating sheath - Google Patents
Fire -resistant power cable of polyvinyl chloride insulating sheath Download PDFInfo
- Publication number
- CN205406179U CN205406179U CN201620254016.XU CN201620254016U CN205406179U CN 205406179 U CN205406179 U CN 205406179U CN 201620254016 U CN201620254016 U CN 201620254016U CN 205406179 U CN205406179 U CN 205406179U
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- polyvinyl chloride
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- fire
- cable core
- band
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Abstract
The utility model discloses a fire -resistant power cable of polyvinyl chloride insulating sheath, including cable core, fire -retardant filler and oversheath, the cable core is by 4~6 fan -shaped sinle silk transposition strandings that are circumference interval equipartition, fan -shaped sinle silk is by polyvinyl chloride insulating layer outside single core copper of single core copper at middle part, cladding, constitute at the mica tape layer outside the glass fiber winding layer around the glass fiber winding layer of package the polyvinyl chloride insulating layer outside, parcel, the outer cladding of cable core has the band, fire -retardant filler setting is in the space between band and the cable core, the oversheath adopts the polyvinyl chloride material to make, is equipped with aluminium strip armor, fire -retardant lacing and high temperature fire resistance layer between band and oversheath in proper order. Simple structure has, low in manufacturing cost, and structural strength is good, fire resistance characteristic such as good.
Description
Technical field
This utility model relates to field of cable technology, is specifically related to a kind of polyvinyl chloride insulation sheath fireproof power cable.
Background technology
Its intensity, fire-resistant and insulating properties because of suitable in Large Copacity power plant, nuclear power station, subterranean railway and skyscraper, are therefore required higher by power cable.
But there is the problem such as structure complexity, high, the structural strength difference of manufacturing cost in existing power cable.
Utility model content
This utility model aims to provide a kind of simple in construction, low cost of manufacture, polyvinyl chloride insulation sheath fireproof power cable that structural strength is good.
For this, the technical scheme that this utility model adopts is: a kind of polyvinyl chloride insulation sheath fireproof power cable, including cable core, flame retardant filler and oversheath, it is characterized in that: described cable core is by 4～6 circumferentially segment conductor-core twisted synthesizing cables uniformly at intervals, described segment conductor-core is by the single copper at middle part, it is coated on the polyvinyl chloride insulation layer outside single copper, around the glass fiber winding layer wrapped in outside polyvinyl chloride insulation layer, it is wrapped in the Muscovitum belt composition outside glass fiber winding layer, described cable core is coated with band, described flame retardant filler is arranged in the space between band and cable core, described oversheath adopts pvc material to make, aluminium strip armor it is sequentially provided with between band and oversheath, fire-retardant belt and high-temperature flame-proof layer.
Preferred as such scheme, the sharp corner rounding of described segment conductor-core, it is simple to processing and manufacturing.
The beneficial effects of the utility model: by optimizing the arrangement of cable core, adopt the segment conductor-core structure of four layers, and set up insulation aluminium strip armor, the common bulk strength improving cable and insulated fireproof ability, compare the structure of multiply circle core twisted synthesizing cable, intensity is greatly enhanced, it is particularly suitable for power cable to use, there is simple in construction, low cost of manufacture, the characteristics such as structural strength is good, and fire resistance is good.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model.
Detailed description of the invention
By the examples below and in conjunction with accompanying drawing, the utility model is described in further detail:
As it is shown in figure 1, a kind of polyvinyl chloride insulation sheath fireproof power cable, including cable core 1, flame retardant filler 2 and oversheath 3.
Cable core 1 is by 6 circumferentially segment conductor-core twisted synthesizing cables uniformly at intervals, and the quantity of segment conductor-core is not limited to 6, it is possible to be 4 or 5.Segment conductor-core is by the single copper a at middle part, the polyvinyl chloride insulation layer b being coated on outside single copper a, form around the glass fiber winding layer c wrapped in outside polyvinyl chloride insulation layer b, the Muscovitum belt d being wrapped in outside glass fiber winding layer c.Glass fiber winding layer c and Muscovitum belt d is respectively provided with fireproof flame-retardant effect, and the polyvinyl chloride insulation layer b of segment conductor-core plays the effect of duplicate protection.
Cable core 1 is coated with band 4, and flame retardant filler 2 is arranged in the space between band 4 and cable core 1, and oversheath 3 adopts pvc material to make, and is sequentially provided with aluminium strip armor 5, fire-retardant belt 6 and high-temperature flame-proof layer 7 between band 4 and oversheath 3.
Preferably, the sharp corner rounding of segment conductor-core.
Claims (3)
- null1. a polyvinyl chloride insulation sheath fireproof power cable，Including cable core (1)、Flame retardant filler (2) and oversheath (3)，It is characterized in that: described cable core (1) is by 4～6 circumferentially segment conductor-core twisted synthesizing cables uniformly at intervals，Described segment conductor-core is by single copper (a) at middle part、It is coated on single copper (a) polyvinyl chloride insulation layer (b) outward、Around wrapping in polyvinyl chloride insulation layer (b) glass fiber winding layer (c) outward、It is wrapped in glass fiber winding layer (c) Muscovitum belt (d) composition outward，Described cable core (1) is coated with band (4)，Described flame retardant filler (2) is arranged in the space between band (4) and cable core (1)，Described oversheath (3) adopts pvc material to make，Aluminium strip armor (5) it is sequentially provided with between band (4) and oversheath (3)、Fire-retardant belt (6) and high-temperature flame-proof layer (7).
- 2. the polyvinyl chloride insulation sheath fireproof power cable described in claim 1, it is characterised in that: the sharp corner rounding of described segment conductor-core.
- 3. the polyvinyl chloride insulation sheath fireproof power cable described in claim 1 or 2, it is characterised in that: described cable core (1) is by 6 circumferentially segment conductor-core twisted synthesizing cables uniformly at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254016.XU CN205406179U (en) | 2016-03-30 | 2016-03-30 | Fire -resistant power cable of polyvinyl chloride insulating sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254016.XU CN205406179U (en) | 2016-03-30 | 2016-03-30 | Fire -resistant power cable of polyvinyl chloride insulating sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406179U true CN205406179U (en) | 2016-07-27 |
Family
ID=56419768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254016.XU Active CN205406179U (en) | 2016-03-30 | 2016-03-30 | Fire -resistant power cable of polyvinyl chloride insulating sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205406179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492924A (en) * | 2017-12-25 | 2018-09-04 | 飞洲集团有限公司 | A kind of expandable flame retardant type power cable |
-
2016
- 2016-03-30 CN CN201620254016.XU patent/CN205406179U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492924A (en) * | 2017-12-25 | 2018-09-04 | 飞洲集团有限公司 | A kind of expandable flame retardant type power cable |
| CN108492924B (en) * | 2017-12-25 | 2020-08-04 | 飞洲集团有限公司 | Expansion flame-retardant power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel fire-resistant power cable with polyvinyl chloride insulating sheath Effective date of registration: 20181107 Granted publication date: 20160727 Pledgee: People and Street Branches of Chongqing Bank Co., Ltd. Pledgor: Chongqing Yile Cable Co., Ltd. Registration number: 2018990001043 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191031 Granted publication date: 20160727 Pledgee: People and Street Branches of Chongqing Bank Co., Ltd. Pledgor: Chongqing Yile Cable Co., Ltd. Registration number: 2018990001043 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel fire-resistant power cable with polyvinyl chloride insulating sheath Effective date of registration: 20191031 Granted publication date: 20160727 Pledgee: People and Street Branches of Chongqing Bank Co., Ltd. Pledgor: Chongqing Yile Cable Co., Ltd. Registration number: Y2019990000444 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |