CN206758171U - A kind of flexible mineral insulation fireproof power cable - Google Patents
A kind of flexible mineral insulation fireproof power cable Download PDFInfo
- Publication number
- CN206758171U CN206758171U CN201720324064.6U CN201720324064U CN206758171U CN 206758171 U CN206758171 U CN 206758171U CN 201720324064 U CN201720324064 U CN 201720324064U CN 206758171 U CN206758171 U CN 206758171U
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- lapping layer
- layer
- insulated wire
- wire cores
- outside
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Abstract
The utility model discloses a kind of flexible mineral insulation fireproof power cable, including pressing copper conductor, lapping layer, insulating barrier, separation layer and sheath, the lapping layer includes the first lapping layer, second lapping layer and the 3rd lapping layer, outside surround that pressing the outside encirclement of copper conductor has the first lapping layer and the first lapping layer has insulating barrier, insulating barrier is made using cross-linking polyethylene materials, press copper conductor, first lapping layer and insulating barrier form insulated wire cores, outside surround of insulated wire cores has the second lapping layer and is provided with separation layer between insulated wire cores and the second lapping layer, outside surround of second lapping layer has the 3rd lapping layer, sheath is enclosed in the outside of the 3rd lapping layer.This product utilizes different materials, conducts electricity very well, it is reasonably combined with reach lifting cable inside and outside fire protecting performance purpose, excellent insulating properties make cable effectively improve current-carrying capacity, with good heat endurance and heat resistanceheat resistant shrinkage, increase the service life, reduce the pollution to environment.
Description
Technical field
A kind of cable is the utility model is related to, specifically a kind of flexible mineral insulation fireproof power cable.
Background technology
Cable is typically by several or several groups of wires（Every group at least two）The cable for the similar rope being twisted, every group
Mutually insulated between wire, and be often twisted into around a center, whole outside is surrounded by the coating of high-insulation.It is erected at more
In the air or mounted in underground, the bottom, for telecommunication or power Transmission.Popular power cable is typically all using crosslinking in the market
Polyethylene insulate and added pvc sheath.Do not have fire resistance during when in use, once generate heat or have bright
Fire is easy for causing fire and short circuit phenomenon；And the sheath of cable uses common PVC plastic processing, because PVC plastic contains
Substantial amounts of chlorine element, substantial amounts of dense smoke can be sent during burning, people can be allowed to suffocate, and produce some carcinogens, environment is caused
Seriously endanger, the acid and alkali-resistance of existing cable, heat resistant oils and organic solvent resistance are poor, and service life is shorter, and this is just
Inconvenience is brought for the use of people.
Utility model content
The purpose of this utility model is to provide a kind of flexible mineral insulation fireproof power cable, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：
A kind of flexible mineral insulation fireproof power cable, including press copper conductor, lapping layer, insulating barrier, separation layer and shield
Set, the lapping layer include the first lapping layer, the second lapping layer and the 3rd lapping layer, and outside surround for pressing copper conductor has first
Outside surround of lapping layer and the first lapping layer has insulating barrier, and insulating barrier is made using cross-linking polyethylene materials, is pressed copper and is led
Body, the first lapping layer and insulating barrier form insulated wire cores, are filled between multiple insulated wire cores arranged tangentials and insulated wire cores
Inserts, the outside encirclement of insulated wire cores have the second lapping layer and isolation are provided between insulated wire cores and the second lapping layer
Layer, outside surround of the second lapping layer have the 3rd lapping layer, and sheath is enclosed in the outside of the 3rd lapping layer, and the first lapping layer uses
Fireproof mica carrying material is made, and the second lapping layer is made using polyester carrying material, and the 3rd lapping layer is made using glass carrying material,
Sheath is made using polyolefine material.
As further program of the utility model：Inserts uses glass fiber rope, and separation layer is made using magnesium oxide material.
As further program of the utility model：The thickness of sheath is 1.8mm, and the external diameter of sheath is 27mm.
As further program of the utility model：The quantity of insulated wire cores is four, and four insulated wire cores are square
Arrangement.
Compared with prior art, the beneficial effects of the utility model are：This product is reasonable in design, using different materials,
Conduct electricity very well, reasonably combined to reach the purpose of the inside and outside fire protecting performance of lifting cable, excellent insulating properties have cable
Effect improves current-carrying capacity, has good heat endurance and heat resistanceheat resistant shrinkage, and usage safety performance is improved, increased the service life,
Reduce the pollution to environment.
Brief description of the drawings
Fig. 1 is the structural representation of flexible mineral insulation fireproof power cable.
Wherein：1- presses copper conductor, the lapping layers of 2- first, 3- insulating barriers, 4- inserts, 5- separation layers, and 6- second is wrapped
Layer, the lapping layers of 7- the 3rd, 8- sheaths.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Referring to Fig. 1, a kind of flexible mineral insulation fireproof power cable, including press copper conductor 1, lapping layer, insulating barrier
3rd, separation layer 5 and sheath 8, the lapping layer include the first lapping layer 2, the second lapping layer 6 and the 3rd lapping layer 7, press copper and lead
Outside surround that the outside encirclement of body 1 has the first lapping layer 2 and the first lapping layer 2 has insulating barrier 3, and insulating barrier 3 is using crosslinking
Polythene material makes, and presses copper conductor 1, the first lapping layer 2 and insulating barrier 3 and forms insulated wire cores, multiple insulated wire cores are tangent
Arrange and inserts 4 is filled between insulated wire cores, outside surround of insulated wire cores has the second lapping layer 6 and insulated wire cores
And second be provided with separation layer 5 between lapping layer 6, outside surround of the second lapping layer 6 has the 3rd lapping layer 7, and sheath 8 is enclosed in
The outside of 3rd lapping layer 7, the first lapping layer 2 are made using fireproof mica carrying material, and the second lapping layer 6 uses polyester carrying material
Make, the 3rd lapping layer 7 is made using glass carrying material, and sheath 8 is made using polyolefine material.Inserts 4 uses glass fiber rope,
Separation layer 5 is made using magnesium oxide material.The thickness of sheath 8 is 1.8mm, and the external diameter of sheath 8 is 27mm.The quantity of insulated wire cores
For four, four square arrangements of insulated wire cores.
Operation principle of the present utility model is：Pressing copper conductor makes conductor area reduce without reducing actual cross-section, cable
Entire outer diameter reduces, and effectively reduces cost, and the outside for pressing copper conductor 1 is wrapped using the wrapped 4 layers of formation first of fire-resistant isinglass belt
Layer 2, the insulating barrier 3 that crosslinked polyethylene makes are extruded on the first lapping layer 2, good insulation preformance and nontoxic, insulation thickness control
In 1.0mm, effectively completely cut off extraneous aqueous vapor, the unobstructed of circuit can be kept, and will not also cause fire even if cable short circuit；Four thoroughly do away with
The second lapping layer 6 that edge core stranding is made using polyester belt is surrounded with after magnesia grouting separation layer 5, the second lapping layer 6
The 3rd lapping layer 7 that outside is made using glass fibre belt is wrapped, can increase the tensile strength and fire protecting performance of cable；Sheath 8 is adopted
Make of halogen-free and low-smoke flame-retardant polyolefin and produced using Manifold technology is squeezed, caused smog is few during burning, is polychlorostyrene second
The a quarter of alkene, corrosivity pernicious gas not being produced during burning, and there is A level fire resistances, thickness control is in 1.8mm.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
- A kind of 1. flexible mineral insulation fireproof power cable, it is characterised in that including press copper conductor, lapping layer, insulating barrier, every Absciss layer and sheath, the lapping layer include the first lapping layer, the second lapping layer and the 3rd lapping layer, press the outside bag of copper conductor Outside surround for being with the first lapping layer and the first lapping layer has insulating barrier, and insulating barrier is made using cross-linking polyethylene materials, Press copper conductor, the first lapping layer and insulating barrier form insulated wire cores, multiple insulated wire cores arranged tangentials and insulated wire cores it Between be filled with inserts, outside surround of insulated wire cores has the second lapping layer and set between insulated wire cores and the second lapping layer There is separation layer, outside surround of the second lapping layer has the 3rd lapping layer, and sheath is enclosed in the outside of the 3rd lapping layer, and first is wrapped Layer is made using fireproof mica carrying material, and the second lapping layer is made using polyester carrying material, and the 3rd lapping layer uses glass band Material is made, and sheath is made using polyolefine material.
- 2. flexible mineral insulation fireproof power cable according to claim 1, it is characterised in that the inserts uses glass Towline, separation layer are made using magnesium oxide material.
- 3. flexible mineral insulation fireproof power cable according to claim 1 or 2, it is characterised in that the thickness of the sheath Spend for 1.8mm, the external diameter of sheath is 27mm.
- 4. flexible mineral insulation fireproof power cable according to claim 1, it is characterised in that the number of the insulated wire cores Measure as four, four square arrangements of insulated wire cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324064.6U CN206758171U (en) | 2017-03-30 | 2017-03-30 | A kind of flexible mineral insulation fireproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324064.6U CN206758171U (en) | 2017-03-30 | 2017-03-30 | A kind of flexible mineral insulation fireproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206758171U true CN206758171U (en) | 2017-12-15 |
Family
ID=60611345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720324064.6U Expired - Fee Related CN206758171U (en) | 2017-03-30 | 2017-03-30 | A kind of flexible mineral insulation fireproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206758171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538480A (en) * | 2018-03-20 | 2018-09-14 | 北京市天华伟业线缆有限公司 | A kind of novel mineral insulating flexible fireproof cable |
| CN114388188A (en) * | 2021-12-24 | 2022-04-22 | 安徽通达电缆有限公司 | Cross-linked polyethylene insulated fire-resistant power cable and winding device thereof |
-
2017
- 2017-03-30 CN CN201720324064.6U patent/CN206758171U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538480A (en) * | 2018-03-20 | 2018-09-14 | 北京市天华伟业线缆有限公司 | A kind of novel mineral insulating flexible fireproof cable |
| CN114388188A (en) * | 2021-12-24 | 2022-04-22 | 安徽通达电缆有限公司 | Cross-linked polyethylene insulated fire-resistant power cable and winding device thereof |
| CN114388188B (en) * | 2021-12-24 | 2023-08-15 | 安徽通达电缆有限公司 | Crosslinked polyethylene insulation fire-resistant power cable and winding device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |