CN215815310U - Low-smoke halogen-free fire-resistant wire - Google Patents
Low-smoke halogen-free fire-resistant wire Download PDFInfo
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- CN215815310U CN215815310U CN202121002410.1U CN202121002410U CN215815310U CN 215815310 U CN215815310 U CN 215815310U CN 202121002410 U CN202121002410 U CN 202121002410U CN 215815310 U CN215815310 U CN 215815310U
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- layer
- wire
- electric wire
- fire
- low
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- 239000000779 smoke Substances 0.000 title claims abstract description 29
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 86
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000000919 ceramic Substances 0.000 claims abstract description 12
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 14
- 150000002367 halogens Chemical class 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 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 description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010445 mica Substances 0.000 claims description 7
- 229910052618 mica group Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010292 electrical insulation Methods 0.000 abstract description 3
- 230000009545 invasion Effects 0.000 abstract description 3
- 231100000956 nontoxicity Toxicity 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- APMBBGSXCHQIEC-UHFFFAOYSA-K magnesium sodium trihydroxide Chemical compound [OH-].[OH-].[OH-].[Na+].[Mg++] APMBBGSXCHQIEC-UHFFFAOYSA-K 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of wires and cables, in particular to a low-smoke halogen-free fire-resistant wire which comprises a wire main body, wherein a wear-resistant material layer is arranged on the outer surface of the wire main body, the wire main body consists of an outer protective layer, a built-in filling layer and a wire inner core, and the wire inner core is arranged in the middle of the wire main body; the heat insulation layer and the fire retardant layer are arranged in the cable, have the characteristic of good elasticity of silicon rubber, have the characteristics of no toxicity, no smell, high and low temperature resistance, ozone aging resistance, weather aging resistance and excellent electrical insulation performance, can keep the state of a flexible cable at about-40 ℃ to 200 ℃, can be changed into a rigid sponge ceramic body from the original soft state when the flame invasion temperature reaches above 300 ℃, generate a cavity in the hardened fire-resistant protective layer, and are favorable for heat preservation.
Description
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a low-smoke halogen-free fire-resistant wire.
Background
The electric wire and cable is a conducting wire used for conducting electricity, the types of the electric wire can be roughly divided into three types, namely a bare wire, an electromagnetic wire and an insulating wire, generally, the bare wire has no insulating layer, copper, an aluminum flat wire, an overhead stranded wire and various profiles belong to the classification of the bare wire, the electric wire and cable are generally used for outdoor overhead and indoor bus bars and switch boxes, the materials of the conducting wire are different, and the conducting performance of the conducting wire is different.
Chinese patent (CN202020973852. X) discloses a low-smoke halogen-free flame-retardant fire-resistant cable wire, which comprises a head layer and a protective layer, wherein a shaping protective layer is arranged in the head layer protective layer, one side of the head layer protective layer, which is close to the shaping protective layer, and one side of the shaping protective layer, which is close to the head layer protective layer, are fixedly connected with tin paper layers, a plurality of uniformly distributed supporting columns are fixedly connected between the tin paper layers, a plurality of uniformly distributed gas-insulating layers are arranged between the tin paper layers, inert gas is filled in a hollow layer between the tin paper layers, flame-retardant heat-insulating cotton is arranged in the shaping protective layer, a plurality of conductive wires are arranged in the flame-retardant heat-insulating cotton in a penetrating manner, the wire firstly burns the head layer protective layer when a fire disaster occurs through the arrangement of the hollow layer, then burns on the tin paper layers, the tin paper layers cannot be burnt, and the inert gas in the hollow layer between the tin paper layers can play a heat-insulating role, make design protective layer and design intraformational part of protective layer not return to be burnt out, even the fire-retardant thermal-insulated cotton also can the thermal transmission of separation of tinfoil layer damage, furthest's assurance normal power supply, if the conflagration in time put out and can not stop the power supply, but not be provided with including this electric wire and separate oxygen back-fire relief material, great when the conflagration, when arousing the whole burning of cable, its intensity of a fire can't obtain quick effective control, need carry out certain improvement.
Disclosure of Invention
The purpose of the utility model is: in order to solve the problem that the traditional electric wire is not provided with an oxygen-isolating fire-retardant material, when a fire disaster is large and the whole cable is burnt, the fire behavior of the electric wire cannot be controlled quickly and effectively, the low-smoke halogen-free fire-resistant electric wire is provided.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a low smoke and zero halogen fire-resistant electric wire, includes the electric wire main part, be provided with the wearing material layer on the surface of electric wire main part, the electric wire main part comprises outer jacket, built-in filling layer and electric wire inner core, the electric wire inner core sets up the middle part position department in the electric wire main part, the outside of electric wire main part is provided with the mica layer, the outside of mica layer is provided with the insulating layer, one side of outer jacket is provided with the steel band armor, one side of steel band armor is provided with the heat insulation layer, one side of heat insulation layer is provided with low smoke and zero halogen and separates the oxygen layer, one side that low smoke and zero halogen separated the oxygen layer is provided with the back-fire relief layer.
Furthermore, five electric wire inner cores are arranged in parallel, and the specification and the size of the electric wire inner cores are consistent.
Furthermore, the outer protective layer is made of low-smoke halogen-free flame-retardant polyolefin material.
Furthermore, a built-in filling layer is filled between the fire retardant layer and the electric wire inner core, and the built-in filling layer is made of glass fiber materials.
Furthermore, the heat insulation layer is made of a ceramic composite belt material.
Furthermore, the low-smoke halogen-free oxygen-insulating layer adopts one or more of sodium magnesium hydroxide or aluminum hydroxide.
Furthermore, the fire retardant layer is made of ceramic silicon rubber.
The technical scheme adopted by the utility model has the beneficial effects that:
the low-smoke halogen-free fireproof wire is internally provided with the heat insulating layer and the fire retardant layer, the heat insulating layer and the fire retardant layer have the characteristic of good elasticity of silicon rubber, has the advantages of no toxicity, no odor, high and low temperature resistance, ozone aging resistance, weather aging resistance, excellent electrical insulation performance, good processing performance, the flexible cable can be kept at a temperature of between 40 ℃ below zero and 200 ℃, and when the flame invasion temperature reaches more than 300 ℃, can be changed from the original soft state into a hard sponge ceramic body, a cavity is generated inside the refractory protective layer after the hard sponge ceramic body is hardened, the heat insulation is facilitated, the sponge ceramic body has the obvious effects of fire resistance and high temperature insulation, thereby effectively protecting the internal structure of the cable from mechanical change and electrical property change, and through arranging the low-smoke halogen-free oxygen-insulating layer inside, when the cable is subjected to flame combustion, a large amount of heat in the surrounding air is absorbed as the hydroxide is combusted; therefore, water molecules generated by combustion also need to absorb a large amount of heat in the evaporation process, and the temperature during combustion can be reduced in the process of heat absorption; meanwhile, after combustion, an infusible metal oxide crust is generated, so that the contact of oxygen and organic matters can be effectively prevented, the purposes of inflaming retarding and oxygen isolation are achieved, and the combustion is blocked.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a partial structural schematic view of the present invention
FIG. 2 is a schematic structural view of a cross-sectional material of the present invention
Illustration of the drawings: 10. a wire body; 101. an outer jacket; 102. a steel tape armor layer; 103. a heat insulating layer; 104. a low-smoke halogen-free oxygen-insulating layer; 105. a fire barrier layer; 106. a filling layer is arranged inside; 107. an insulating layer; 108. an inner core of the wire; 109. a mica layer; 20. a wear resistant material layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore they only show the components related to the present invention, and should not limit the scope of protection of the present invention.
As shown in fig. 1-2, a low smoke zero halogen fire-resistant electric wire includes an electric wire main body 10, an abrasion-resistant material layer 20 is disposed on an outer surface of the electric wire main body 10, the electric wire main body 10 is composed of an outer sheath 101, a built-in filling layer 106 and an electric wire inner core 108, the electric wire inner core 108 is disposed at a middle position of the electric wire main body 10, a mica layer 109 is disposed outside the electric wire main body 10, an insulating layer 107 is disposed outside the mica layer 109, a steel tape armor layer 102 is disposed on one side of the outer sheath 101, a heat insulating layer 103 is disposed on one side of the steel tape armor layer 102, a low smoke zero halogen oxygen insulation layer 104 is disposed on one side of the heat insulating layer 103, and a fire retardant layer 105 is disposed on one side of the low smoke zero halogen oxygen insulation layer 104;
the heat insulation layer 103 and the fire retardant layer 105 have the characteristics of good elasticity of silicon rubber, and have the advantages of no toxicity, no odor, high and low temperature resistance, ozone aging resistance, weather aging resistance, excellent electrical insulation performance and good processability, the soft cable state can be maintained at about-40 ℃ to 200 ℃, the original soft state can be changed into a hard sponge ceramic body when the flame invasion temperature reaches more than 300 ℃, a cavity is generated in the hardened fire-resistant protective layer, and the heat insulation is facilitated, so that the sponge ceramic body has the remarkable effects of fire resistance and high temperature resistance, the internal structure of the cable is effectively protected, and the mechanical change and the electrical property change are avoided;
five wire inner cores 108 are arranged in parallel, the specification and the size of the wire inner cores 108 are consistent, the outer protective layer 101 is made of low-smoke halogen-free flame-retardant polyolefin, a built-in filling layer 106 is filled between the flame-retardant layer 105 and the wire inner cores 108, the built-in filling layer 106 is made of glass fiber, the heat-insulating layer 103 is made of ceramic composite tape, the low-smoke halogen-free oxygen-insulating layer 104 is made of one or more of sodium magnesium hydroxide or aluminum hydroxide, and the flame-retardant layer 105 is made of ceramic silicon rubber;
when the cable is subjected to flame combustion, the hydroxide in the low-smoke halogen-free oxygen-insulating layer 104 absorbs a large amount of heat in the surrounding air when being combusted; therefore, water molecules generated by combustion also need to absorb a large amount of heat in the evaporation process, and the temperature during combustion can be reduced in the process of heat absorption; meanwhile, after combustion, an infusible metal oxide crust is generated, so that the contact of oxygen and organic matters can be effectively prevented, the purposes of inflaming retarding and oxygen isolation are achieved, and combustion can be effectively prevented.
While the utility model has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes, modifications and additions may be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A low smoke and zero halogen fire-resistant electric wire which is characterized in that: including electric wire main part (10), be provided with wearing material layer (20) on the surface of electric wire main part (10), electric wire main part (10) comprises outer jacket (101), built-in filling layer (106) and electric wire inner core (108), electric wire inner core (108) set up the middle part position department in electric wire main part (10), the outside of electric wire main part (10) is provided with mica layer (109), the outside of mica layer (109) is provided with insulating layer (107), one side of outer jacket (101) is provided with steel band armor (102), one side of steel band armor (102) is provided with heat insulation layer (103), one side of heat insulation layer (103) is provided with low smoke and zero halogen and separates oxygen layer (104), low smoke and zero halogen separates one side of oxygen layer (104) and is provided with back-fire retardant coating (105).
2. A low smoke, zero halogen and fire resistant wire as claimed in claim 1, wherein: five wire inner cores (108) are arranged in parallel, and the specification and the size of the wire inner cores (108) are consistent.
3. A low smoke, zero halogen and fire resistant wire as claimed in claim 1, wherein: the outer protective layer (101) is made of low-smoke halogen-free flame-retardant polyolefin.
4. A low smoke, zero halogen and fire resistant wire as claimed in claim 1, wherein: an internal filling layer (106) is filled between the fire retardant layer (105) and the electric wire inner core (108), and the internal filling layer (106) is made of glass fiber.
5. A low smoke, zero halogen and fire resistant wire as claimed in claim 1, wherein: the heat insulation layer (103) is made of a ceramic composite belt material.
6. A low smoke, zero halogen and fire resistant wire as claimed in claim 1, wherein: the fire retardant layer (105) is made of ceramic silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121002410.1U CN215815310U (en) | 2021-05-07 | 2021-05-07 | Low-smoke halogen-free fire-resistant wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121002410.1U CN215815310U (en) | 2021-05-07 | 2021-05-07 | Low-smoke halogen-free fire-resistant wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215815310U true CN215815310U (en) | 2022-02-11 |
Family
ID=80173049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121002410.1U Expired - Fee Related CN215815310U (en) | 2021-05-07 | 2021-05-07 | Low-smoke halogen-free fire-resistant wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215815310U (en) |
-
2021
- 2021-05-07 CN CN202121002410.1U patent/CN215815310U/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: 20220211 |