CN212208971U - Graphene comprehensive shielding B1-grade fireproof control cable - Google Patents
Graphene comprehensive shielding B1-grade fireproof control cable Download PDFInfo
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- CN212208971U CN212208971U CN202020900837.2U CN202020900837U CN212208971U CN 212208971 U CN212208971 U CN 212208971U CN 202020900837 U CN202020900837 U CN 202020900837U CN 212208971 U CN212208971 U CN 212208971U
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Abstract
The utility model discloses a graphene comprehensive shielding B1-grade fireproof control cable, which comprises a cable core formed by stranding a plurality of insulation wire cores, wherein each insulation wire core is respectively composed of a copper conductor and a ceramic silicon rubber fireproof insulation layer; the whole cable core is provided with a high-strength polyester tape, a graphene conductive film, a metal braided wire shielding layer, a low-smoke halogen-free tape, a ceramic silicon rubber wrapped tape oxygen isolation layer and a sheath in sequence. The utility model discloses can effectively improve cable safety fire rating.
Description
Technical Field
The utility model relates to a control cable field specifically is a graphite alkene comprehensive shielding B1 level fireproof control cable.
Background
The control cable is suitable for electric equipment cables in industrial and mining enterprises, energy traffic departments, occasions of controlling and protecting circuits and the like with the rated voltage of the power supply and conversion being below 450/750V.
First, the radiation or conduction of electromagnetic noise in industrial application sites may seriously interfere with the normal operation of electromechanical devices, and usually, a wrapped metal band or a braided metal wire is used for shielding, but the shielding effect cannot cover a special environment, especially in an occasion with a very high requirement on the shielding effect.
Secondly, with the social development, the security of the cable is more and more emphasized by each social level, and the fireproof cable gradually becomes an important development direction, and according to data statistics: in recent years, more than 60% of fires caused by various types of electricity in China are caused by electric lines (wires and cables), and immeasurable loss is brought to the society; it can be seen that B1-grade fireproof cables have become a trend.
In order to meet the constantly changing market demand, the existing braided shielding control cable is redesigned on the premise of not damaging the service function of the existing braided shielding control cable, so that the shielding performance and the fireproof capacity of the braided shielding control cable are improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that control cable exists among the prior art, provide a graphite alkene comprehensive shielding B1 level fireproof control cable that shielding effect is good, interference immunity is strong, the fire rating is high, operation safety.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
graphite alkene comprehensive shielding B1 level fireproof control cable, its characterized in that: the cable comprises a cable core formed by stranding a plurality of insulating wire cores, wherein each insulating wire core is respectively composed of a copper conductor and a ceramic silicon rubber fireproof insulating layer extruded outside the copper conductor; the whole outer package of cable core has the high strength polyester area, and the high strength polyester outband is wrapped up graphite alkene conductive film, and the metal braided wire shielding layer has been woven outward to graphite alkene conductive film, and the outer package of metal braided wire shielding layer has low smoke and zero halogen area, and the outer package of low smoke and zero halogen outband has pottery silicon rubber to wrap up the area and separate the oxygen layer, and pottery silicon rubber wraps up the area and separate the outer cladding of oxygen layer and have the sheath.
Graphite alkene comprehensive shielding B1 level fireproof control cable, its characterized in that: the copper conductor in the insulated wire core is a first, second or fifth copper conductor meeting the GB/T3956 requirement.
Graphite alkene comprehensive shielding B1 level fireproof control cable, its characterized in that: the whole cable core is wrapped with two layers of high-strength polyester tapes.
Graphite alkene comprehensive shielding B1 level fireproof control cable, its characterized in that: the metal braided wire shielding layer is formed by braiding copper wires, and the braiding density is more than or equal to 80%.
Graphite alkene comprehensive shielding B1 level fireproof control cable, its characterized in that: the low-smoke halogen-free belt is wrapped with two layers of ceramic silicon rubber wrapping belt oxygen insulation layers.
Graphite alkene comprehensive shielding B1 level fireproof control cable, its characterized in that: the sheath is made of high-flame-retardant low-smoke halogen-free polyolefin sheath material.
Compared with the prior art, the utility model discloses the advantage does:
1. the utility model discloses a pottery silicon rubber fire-resistant insulation layer replaces traditional plastics insulating, has good insulation, fire-resistant characteristic, under the high temperature and the flame ablation more than 500 ℃, its organic component can be changed into hard pottery porcelain matter by the ablation in very short time, form the good insulating layer of one deck, block the flame burning, moreover the ablation time is longer more, the temperature is higher, hard effect is more obvious, the temperature resistant can reach 1200 ~ 1500 ℃, is an splendid fireproof cable material.
2. The utility model discloses in, because graphite alkene conductive film has better electronic shielding and absorbs the characteristic of electromagnetic wave, make it possess the possibility of using as electromagnetic shielding film in the electronic product, use graphite alkene conductive film can compensate the shielding clearance that the metal braid silk shielding layer exists, improve cable shielding efficiency, prevent electromagnetic interference. The graphene conductive film has very high strength and toughness, can improve the cable core protection strength of the cable before weaving, and prevents the cable core from being pricked due to the fact that the metal braided wire shielding layer is broken and burrs are woven when weaving, so that the insulation performance and the characteristic impedance are influenced, meanwhile, the graphene conductive film has heat resistance, and the graphene conductive film cannot be damaged when the outer sheath is extruded.
3. The utility model discloses in, there is pottery silicon rubber around the band around the low smoke and zero halogen outband to separate the oxygen layer, can effectively prevent, keep apart the ability that flame burning continues the burning, improves cable safety fire-protection rating.
4. The sheath material is made of high flame-retardant polyolefin material, meets the characteristics of low smoke, flame retardance, shielding, fire prevention, fire resistance, safety and the like, and meets the corresponding requirements of the GB 31247 standard.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the graphene integrally-shielded B1-grade fireproof control cable includes a cable core formed by twisting a plurality of insulation wire cores 3, each insulation wire core 3 is respectively composed of a copper conductor 1 and a ceramic silicon rubber fireproof insulation layer 2 extruded outside the copper conductor 1, wherein the copper conductor is a first, second or fifth copper conductor meeting the requirements of GB/T3956.
The whole cable core is wrapped with two layers of high-strength polyester belts 4, the high-strength polyester belts 4 are wrapped with graphene conductive films 5, the graphene conductive films 5 are externally woven with metal woven wire shielding layers 6, the metal woven wire shielding layers 6 are formed by weaving copper wires, the wire diameter is 0.15 mm, 0.20 mm, 0.25 mm and 0.30mm, and the weaving density is more than or equal to 80%.
The metal braided wire shielding layer 6 is wrapped with low smoke and zero halogen area 7, and low smoke and zero halogen area 7 is wrapped with two-layer pottery silicon rubber around the band and is separated oxygen layer 8, and pottery silicon rubber is wrapped with the sheath around the band and is separated the outer cladding of oxygen layer 8, and the sheath adopts high fire-retardant low smoke and zero halogen polyolefin sheath material, has fire behavior such as low smoke, zero halogen, low smoke, high fire-retardant, can make the cable reach B1 level combustion performance requirement in the GB 31247 standard.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (6)
1. Graphite alkene comprehensive shielding B1 level fireproof control cable, its characterized in that: the cable comprises a cable core formed by stranding a plurality of insulating wire cores, wherein each insulating wire core is respectively composed of a copper conductor and a ceramic silicon rubber fireproof insulating layer extruded outside the copper conductor; the whole outer package of cable core has the high strength polyester area, and the high strength polyester outband is wrapped up graphite alkene conductive film, and the metal braided wire shielding layer has been woven outward to graphite alkene conductive film, and the outer package of metal braided wire shielding layer has low smoke and zero halogen area, and the outer package of low smoke and zero halogen outband has pottery silicon rubber to wrap up the area and separate the oxygen layer, and pottery silicon rubber wraps up the area and separate the outer cladding of oxygen layer and have the sheath.
2. The graphene composite shielding B1-grade fireproof control cable according to claim 1, wherein: the copper conductor in the insulated wire core is a first, second or fifth copper conductor meeting the GB/T3956 requirement.
3. The graphene composite shielding B1-grade fireproof control cable according to claim 1, wherein: the whole cable core is wrapped with two layers of high-strength polyester tapes.
4. The graphene composite shielding B1-grade fireproof control cable according to claim 1, wherein: the metal braided wire shielding layer is formed by braiding copper wires, and the braiding density is more than or equal to 80%.
5. The graphene composite shielding B1-grade fireproof control cable according to claim 1, wherein: the low-smoke halogen-free belt is wrapped with two layers of ceramic silicon rubber wrapping belt oxygen insulation layers.
6. The graphene composite shielding B1-grade fireproof control cable according to claim 1, wherein: the sheath is made of high-flame-retardant low-smoke halogen-free polyolefin sheath material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020900837.2U CN212208971U (en) | 2020-05-26 | 2020-05-26 | Graphene comprehensive shielding B1-grade fireproof control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020900837.2U CN212208971U (en) | 2020-05-26 | 2020-05-26 | Graphene comprehensive shielding B1-grade fireproof control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212208971U true CN212208971U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020900837.2U Active CN212208971U (en) | 2020-05-26 | 2020-05-26 | Graphene comprehensive shielding B1-grade fireproof control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212208971U (en) |
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2020
- 2020-05-26 CN CN202020900837.2U patent/CN212208971U/en active Active
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