CN212647940U - Environment-friendly fireproof cable - Google Patents
Environment-friendly fireproof cable Download PDFInfo
- Publication number
- CN212647940U CN212647940U CN202021579796.8U CN202021579796U CN212647940U CN 212647940 U CN212647940 U CN 212647940U CN 202021579796 U CN202021579796 U CN 202021579796U CN 212647940 U CN212647940 U CN 212647940U
- Authority
- CN
- China
- Prior art keywords
- fire
- copper
- cable
- resistant
- mica tape
- 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
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 33
- 239000003063 flame retardant Substances 0.000 claims abstract description 26
- 239000010445 mica Substances 0.000 claims abstract description 24
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 12
- 239000011707 mineral Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 8
- 229910052628 phlogopite Inorganic materials 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000012764 mineral filler Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000011889 copper foil Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 238000009421 internal insulation Methods 0.000 abstract description 6
- 230000017105 transposition Effects 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 238000002679 ablation Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model provides an environmental protection fireproof cable, including the cable main part, copper core and transposition conductor, be provided with the copper core in the cable main part, the outside of copper core is provided with the transposition conductor, the outside of transposition conductor is provided with fire resistant mica tape, fire resistant mica tape's skin is provided with the internal insulation cover, the outside mineral substance filler of internal insulation cover, the outside of mineral substance filler is provided with the copper sheathing, the skin of copper sheathing is provided with high fire-retardant area, the skin in high fire-retardant area is provided with the fire protection sheath, central point between the internal insulation cover puts and is provided with halogen-free filler strip. The utility model discloses a set up fire-resistant mica tape, mineral substance filler, there is not steamed filler strip, high flame retardant area and fire prevention sheath, multiple high performance fire-proof material, flame retardant efficiency is good, and the material safety can not produce harmful gas, and very environmental protection can satisfy special environment's user demand.
Description
Technical Field
The utility model relates to a cable and wire correlation technique field, concretely relates to environmental protection fireproof cable.
Background
A cable is an electric energy or signal transmission device, generally composed of several or several groups of wires, used for connecting circuits, electric appliances, etc. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like.
However, the existing cable is poor in fireproof performance, and meets fire or ultra-high temperature environment, the outer protective sleeve of the cable can burn or melt to release harmful gas, so that the normal use of the cable is influenced, the power supply requirement of special environment cannot be met, and therefore a novel environment-friendly fireproof cable is urgently needed to solve the existing problem.
Disclosure of Invention
In order to overcome the defects of the prior art, an environment-friendly fireproof cable is provided, and the problems that the fireproof performance is poor and the power supply requirement of a special environment cannot be met are solved.
The utility model discloses a following technical scheme realizes: the utility model provides an environmental protection fireproof cable, including the cable main part, copper core and transposition conductor, be provided with the copper core in the cable main part, the outside of copper core is provided with the transposition conductor, the outside of transposition conductor is provided with fire-resistant mica tape, the skin of fire-resistant mica tape is provided with the internal insulation cover, the outside mineral substance filler of internal insulation cover, the outside of mineral substance filler is provided with the copper sheathing, the skin of copper sheathing is provided with high fire-retardant area, the skin in high fire-retardant area is provided with the fire protection cover, central point between the internal insulation cover is provided with does not have the steamed filler strip.
Furthermore, five copper cores are arranged in the cable main body, the copper cores are made of bare copper, and the stranded conductor is formed by stranding a plurality of strands of copper foil wires.
Through adopting above-mentioned technical scheme, the copper core resistance of naked copper material is very little, and the electric conductivity is high, and the stranded conductor has good bending resistance ability and good pliability, can effectual improvement cable main part's mechanical properties.
Furthermore, a fire-resistant mica tape and an inner insulating sleeve are independently arranged outside the copper core, the interior of the fire-resistant mica tape is provided with the phlogopite paper, and the outer side of the phlogopite paper is provided with the glass fiber cloth.
By adopting the technical scheme, the fire-resistant mica tape has the characteristics of good fire resistance, acid and alkali resistance, corona resistance and radiation resistance, has good flexibility and tensile strength, is suitable for high-speed winding, does not have volatilization of harmful smoke basically when the fire-resistant mica tape is burnt in open fire, and is safe and environment-friendly.
Furthermore, the halogen-free filling strips are made of polypropylene mesh materials, and the mineral substance filling materials are mineral substance continuous cotton ropes.
By adopting the technical scheme, the halogen-free filling strip has the advantages of good fineness, uniform thickness, good filling effect, small density, light weight, good flame retardant effect and environment-friendly material.
Furthermore, the high flame-retardant belt is made of ceramic fire-resistant silicon rubber, and the fireproof sheath is made of low-smoke halogen-free polyolefin.
By adopting the technical scheme, the high-flame-retardant belt is nontoxic and tasteless at normal temperature, has good flexibility and elasticity, can be ablated and converted into a hard ceramic-like substance by organic components in a short time under the conditions of high temperature of more than 500 ℃ and flame ablation to form a layer of good isolation, can block the flame from continuing to burn, and has the advantages of longer ablation time, higher temperature, more obvious hard effect and better flame-retardant effect.
Compared with the prior art, the utility model, following beneficial effect has:
for solving current cable fire behavior not good, meet conflagration or ultra-temperature environment, the outer lag of cable can burn or melt, releases harmful gas, influences the normal use of cable, can't satisfy the problem of special environment's power demand, the utility model discloses a set up fire-resistant mica tape, mineral substance filler, do not have the problem of steamed filler strip, high fire-retardant area and fire prevention sheath, multiple high performance fire-resistant material, flame retardant efficiency is good, and the material safety can not produce harmful gas, and very environmental protection can satisfy special environment's user demand.
Drawings
Fig. 1 is a schematic structural view of an environment-friendly fireproof cable of the present invention;
FIG. 2 is a cross-sectional view of an environmental protection fireproof cable of the present invention;
fig. 3 is a schematic view of the fire-resistant mica tape of the environment-friendly fireproof cable of the present invention.
The reference numerals are explained below:
1. a cable body; 2. a copper core; 3. a stranded conductor; 4. an inner insulating sleeve; 5. a mineral filler; 6. a copper sheath; 7. a high flame retardant tape; 8. a fire-resistant sheath; 9. fire-resistant mica tapes; 10. halogen-free filler strips; 11. gold mica paper; 12. glass fiber cloth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-3, the environment-friendly fireproof cable in this embodiment includes a cable main body 1, a copper core 2 and stranded conductors 3, the copper core 2 is disposed in the cable main body 1, the stranded conductors 3 are disposed on the outer side of the copper core 2, fire-resistant mica tapes 9 are disposed on the outer side of the stranded conductors 3, inner insulating sleeves 4 are disposed on the outer layers of the fire-resistant mica tapes 9, mineral fillers 5 on the outer sides of the inner insulating sleeves 4, copper sheaths 6 are disposed on the outer sides of the mineral fillers 5, highly flame-retardant tapes 7 are disposed on the outer layers of the copper sheaths 6, fireproof sheaths 8 are disposed on the outer layers of the highly flame-retardant tapes 7, halogen-free filler strips 10 are disposed at the central positions between the inner insulating sleeves 4, five copper cores 2 are disposed in the cable main body 1, the copper cores 2 are made of bare copper, the stranded conductors 3 are formed by twisting multiple strands, the copper core 2 made of bare copper has very small resistance and high electrical conductivity, and, the mechanical property of the cable main body 1 can be effectively improved, the fire-resistant mica tape 9 and the inner insulating sleeve 4 are independently arranged outside the copper core 2, the phlogopite paper 11 is arranged in the fire-resistant mica tape 9, the glass fiber cloth 12 is arranged outside the phlogopite paper 11, the fire-resistant mica tape 9 has the characteristics of good fire resistance, acid and alkali resistance, corona resistance and radiation resistance, and has good flexibility and tensile strength, and is suitable for high-speed winding, and the fire-resistant mica tape 9 is safe and environment-friendly because harmful smoke basically does not volatilize when burning in open fire.
As shown in fig. 2, in this embodiment, the halogen-free filler strip 10 is made of a polypropylene mesh material, the mineral filler 5 is made of a mineral extension cord, the halogen-free filler strip 10 has a good fineness and a uniform thickness, and has a good filling effect, the halogen-free filler strip 10 has a small density, a light weight, a good flame retardant effect, and is environmentally friendly, the high flame retardant tape 7 is made of a ceramic fire-resistant silicone rubber material, the fireproof sheath 8 is made of a low-smoke halogen-free polyolefin material, the high flame retardant tape 7 is non-toxic and odorless at normal temperature, and has good flexibility and elasticity, under the ablation of high temperature and flame above 500 ℃, organic components are ablated and converted into a hard ceramic material in a very short time, so as to form a layer of good insulation, block the continuous combustion of flame, and the longer the higher the temperature, the more obvious the hard effect, and the better the flame.
The specific implementation process of this embodiment is as follows: the electric conductor of the cable main body 1 consists of a copper core 2 and a stranded conductor 3, the electric conductivity is good, the bending resistance is strong, a fire-resistant mica tape 9 arranged outside the stranded conductor 3 consists of a layer of phlogopite paper 11 and two layers of glass fiber cloth 12, the volatilization of harmful smog is basically avoided when the cable main body is burnt in open fire, the cable is safe and environment-friendly, the cable has good fire resistance, acid and alkali resistance, corona resistance and radiation resistance, the flexibility is very good, a fire retardant is contained in a fire-proof sheath 8 at the outer side of the cable main body 1, a certain flame-retardant effect is achieved, when the external temperature is high or the open fire appears, organic components in a high flame-retardant tape 7 are ablated and converted into hard ceramic-like substances in a very short time, a layer of good isolation is formed, the flame is blocked, the burning is continued, the longer the higher the ablation time and the higher the temperature are, the more obvious the hard effect is achieved, the high flame-retardant belt 7 has good fireproof effect, no toxicity and no odor at normal temperature, good flexibility and elasticity and very environmental protection.
The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (5)
1. The utility model provides an environmental protection fireproof cable which characterized in that: the cable comprises a cable main body (1), a copper core (2) and a stranded conductor (3), wherein the copper core (2) is arranged in the cable main body (1), the stranded conductor (3) is arranged on the outer side of the copper core (2), a fire-resistant mica tape (9) is arranged on the outer side of the stranded conductor (3), an inner insulating sleeve (4) is arranged on the outer layer of the fire-resistant mica tape (9), an outer mineral substance filler (5) of the inner insulating sleeve (4), a copper sheath (6) is arranged on the outer side of the mineral substance filler (5), a high flame-retardant tape (7) is arranged on the outer layer of the copper sheath (6), a fireproof sheath (8) is arranged on the outer layer of the high flame-retardant tape (7), and a halogen-free filler strip (10) is.
2. An environmentally friendly fire-resistant cable according to claim 1, wherein: five copper cores (2) are arranged in the cable main body (1), the copper cores (2) are bare copper, and the stranded conductor (3) is formed by stranding a plurality of strands of copper foil wires.
3. An environmentally friendly fire-resistant cable according to claim 2, wherein: the copper core (2) is independently provided with a fire-resistant mica tape (9) and an inner insulating sleeve (4), the fire-resistant mica tape (9) is internally provided with a phlogopite paper (11), and the outer side of the phlogopite paper (11) is provided with glass fiber cloth (12).
4. An environmentally friendly fire-resistant cable according to claim 1, wherein: the mineral filler (5) is a mineral continuous cotton rope.
5. An environmentally friendly fire-resistant cable according to claim 1, wherein: the high flame-retardant belt (7) is a ceramic fire-resistant silicon rubber flame-retardant belt, and the fireproof sheath (8) is a low-smoke halogen-free polyolefin sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021579796.8U CN212647940U (en) | 2020-08-03 | 2020-08-03 | Environment-friendly fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021579796.8U CN212647940U (en) | 2020-08-03 | 2020-08-03 | Environment-friendly fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212647940U true CN212647940U (en) | 2021-03-02 |
Family
ID=74787246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021579796.8U Expired - Fee Related CN212647940U (en) | 2020-08-03 | 2020-08-03 | Environment-friendly fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212647940U (en) |
-
2020
- 2020-08-03 CN CN202021579796.8U patent/CN212647940U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 |