CN211858207U - Anti-interference radiation-resistant high-flame-retardant fire-resistant control cable for extra-high voltage transformer substation - Google Patents
Anti-interference radiation-resistant high-flame-retardant fire-resistant control cable for extra-high voltage transformer substation Download PDFInfo
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- CN211858207U CN211858207U CN202020695368.5U CN202020695368U CN211858207U CN 211858207 U CN211858207 U CN 211858207U CN 202020695368 U CN202020695368 U CN 202020695368U CN 211858207 U CN211858207 U CN 211858207U
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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
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Abstract
The utility model discloses an extra-high voltage transformer substation is with anti-interference resistant radiation high fire-retardant fire-resistant control cable, including many cable cores, the cable core outside sets up calcines the phlogopite layer calcine the phlogopite layer outside and sets up crowded package flame retardant insulation layer, and crowded package flame retardant insulation cable core is moved back in advance and is twisted the stranding, sets gradually polyester PET film area in the stranding outside and winds covering, anaerobic thin copper wire and weaves shielding layer, high fire-retardant fibre area around the covering, thin shape separates crowded package inner sheath of oxygen, copper-plastic composite band around package shielding layer, crowded package fire-retardant inner sheath, steel band armor and high fire-retardant oversheath layer. The utility model discloses have characteristics such as anti-interference, resistant radiation, high fire-retardant, fire-resistant, ageing-resistant.
Description
Technical Field
The utility model relates to a control cable, in particular to special high voltage transformer substation is with anti-interference resistant radiation high fire-retardant fire-resistant control cable.
Background
The national economy of China is continuously increased, and the power utilization demand is also continuously increased. Due to the unique characteristics of natural environment in China, an ultra-long-distance and ultra-large-capacity power transmission mode is inevitably selected. In order to reduce the loss of the transmission line and save precious land resources, an efficient and economical transmission mode is also necessary. The extra-high voltage direct current transmission technology just meets the requirement. The characteristics of direct current networking can also improve the safe and stable operation level and the power supply reliability of national interconnected power grids. Therefore, the ultra-high voltage direct current transmission technology has better application prospect in China. Therefore, it is very important to develop an efficient and stable control cable for the extra-high voltage substation.
Disclosure of Invention
An object of the utility model is to provide a special high voltage substation uses control cable with characteristics such as anti-interference, radiation-resistant, high fire-retardant, fire-resistant, ageing-resistant.
The utility model provides a following technical scheme:
the utility model provides an extra-high voltage transformer substation is with anti-interference resistant radiation high fire-retardant fire-resistant control cable, includes many cable cores, the cable core outside sets up calcines the phlogopite layer calcine the phlogopite layer outside and sets up crowded package fire-retardant insulating layer, crowded package fire-retardant insulating cable core is moved back in advance and is twisted into the cable, sets gradually polyester PET film area in the stranding sinle silk outside and winds covering, anaerobic thin copper wire and weaves shielding layer, high fire-retardant fibrous zone around the covering, thin shape separates oxygen crowded package inner sheath, copper-plastic composite band around package shielding layer, crowded package fire-retardant inner sheath, steel band armor and high fire-retardant oversheath layer.
Preferably, the cable core is formed by twisting a plurality of oxygen-free thin copper wires.
Preferably, the extruded flame-retardant insulating layer is marked by a serial number or a color code.
Preferably, the flame-retardant tearing mesh belt is filled in the gap which is extruded with the flame-retardant insulating cable core and is pre-untwisted and twisted into the cable.
Preferably, the extruded flame-retardant insulating layer is made of high-flame-retardant polyolefin at 125 ℃.
Preferably, the high flame-retardant fiber tape winding cladding is prepared by adopting inorganic fibers.
The utility model discloses an anaerobic thin copper wire transposition to increase the surface area, reduce the reactance. Because the control cable is mostly laid in a power transmission and distribution station room, the space is small, and the outer diameter, the weight, the bending radius and the like of the cable are required to be as small as possible on the basis of ensuring the performance.
The utility model discloses a calcine the phlogopite, this novel material is through the mica high temperature treatment to the choice, has got rid of the crystallization water and the impurity that have lossy withstand voltage and temperature resistance, has increased the stability of mica tape. The low molecular substance volatilizes off in the burning process of the fire-resistant mica layer, and the organic silicon resin is sintered with the mica into SiO at high temperature2The cable is a compact conductor protection shell (insulator) with a main structure, and the fire resistance of the cable is effectively improved. Particularly, the mica tape has excellent adhesiveness and flexibility, and is particularly suitable for the application of small-wire-diameter control cables.
The utility model discloses a high flame retardant insulating layer, this insulating layer adopts 125 ℃ high flame retardant polyolefin. For example, EVA and POP can be used as a resin main body in a matching manner, so that the EVA and POP have excellent physical properties and flexibility, hydromagnesite is used as a main body flame retardant, hydromagnesite starts to decompose at 220 ℃ to release water, an endothermic reaction occurs and absorbs heat of about 1000J/g, the surface temperature of a material is effectively reduced, the material is prevented from being rapidly degraded, and meanwhile hydromagnesite can be gathered on the surface of the material in a combustion process to form a stable cement-shaped hard shell layer, so that oxygen supply is blocked, and the combustion process is prevented from further spreading; the phosphorus-nitrogen flame retardant is used as an auxiliary flame retardant, so that the flame retardant effect is greatly improved.
The utility model discloses a polyester PET film area is a colorless and transparent, glossy film around the covering, and mechanical properties is good, and rigidity, hardness and toughness are high, and resistant puncture, antifriction, high temperature resistant and low temperature, chemical resistance, oil resistance, gas tightness and confidentiality are good, are better cable barrier material.
The utility model discloses the shielding layer is woven to the thin copper wire of anaerobic, makes the cable have stronger external electromagnetic interference resistance ability, guarantees data and signal stable transmission.
The utility model discloses high flame retardant fiber area is around the covering, and tensile strength is high, and the extension is little, and the elastic coefficient is high, and the rigidity is good, and the extension volume is big and tensile strength is high in the elasticity limit, so absorbed impact energy is big, for inorganic fiber, possesses incombustibility, chemical resistance, the hydroscopicity is little. The scale stability and the heat resistance are good.
The utility model discloses thin shape separates oxygen crowded package inner sheath, has good flame retardant property and excellent processing technology performance, still has the characteristics that do not contain halogen, the volume of giving off smoke is low, is a green's flame retardant material.
The utility model discloses copper is moulded composite band around package shielding layer, and the thickness of copper foil will be less than the thickness of copper strips in the copper is moulded composite band, consequently need increase intensity with the one deck plastic layer, and convenient processing can reduce cost simultaneously. Secondly, the plastic layer melts under the condition of being heated and expands to block the gap, so that the waterproof effect can be achieved. And the device also has the capability of resisting external electromagnetic interference and ensures stable transmission of data and signals.
The utility model discloses fire-retardant interior sheath of crowded package, interior sheath effect is that protection insulation core is not damaged by armor or shielding layer and is used.
The utility model discloses the steel band armor, the effect of steel band armor is used for playing the shielding effect, avoids the high voltage alternating current to cause the mechanical properties of the steel band reinforced cable for the armoured cable of interference to the facility of outside and signal, makes the cable can bear outside mechanical pressure.
The utility model discloses high fire-retardant oversheath layer, high fire-retardant thermoplastic low smoke and zero halogen flame retardant sheath material have fabulous flame retardant efficiency, mainly used require high place to fire behaviour. The material has the advantages of good self-extinguishing property, low smoke release and low toxicity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. an oxygen-free stranded conductor; 2. calcining the auro mica layer; 3. a high flame retardant insulating layer; 4. filling the flame-retardant tearing net; 5. the polyester PET film is provided with a wrapping layer; 6. an oxygen-free thin copper wire braided shielding layer; 7. the high flame-retardant fiber tape is wound on the cladding; 8. the inner protective layer is extruded and coated in a thin oxygen-isolating way; 9. wrapping a shielding layer around the copper-plastic composite tape; 10. extruding and wrapping a flame-retardant inner protection layer; 11. a steel tape armor layer; 12. high flame retardant outer jacket layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model comprises N copper stranded cable cores, and a calcined phlogopite layer is arranged outside the N cable cores; an extruded flame-retardant insulating layer is arranged on the outer side of the calcined phlogopite layer, and the flame-retardant insulating layer can be marked by numbers or color codes; the extrusion-coated flame-retardant insulated cable core is subjected to pre-back twisting and stranding to form a cable, and a polyester PET film tape wrapping layer, an oxygen-free thin copper wire braided shielding layer, a high-flame-retardant fiber tape wrapping layer, a thin oxygen-isolation extrusion-coated inner protection layer, a copper-plastic composite tape wrapping shielding layer, an extrusion-coated flame-retardant inner protection layer, a steel tape armor layer and a high-flame-retardant outer sheath layer are sequentially arranged outside a cable core; filling a flame-retardant tearing mesh belt in a gap where the extruded flame-retardant insulated cable core is subjected to pre-back twisting and stranding to form a cable; the copper cable core is formed by twisting N oxygen-free thin copper wires.
The utility model discloses an anaerobic thin copper wire transposition to increase the surface area, reduce the reactance.
The utility model discloses a calcine the phlogopite, the adhesion in area, compliance are splendid, are particularly suitable for the application of little line footpath control cable.
The utility model adopts the high flame-retardant insulating layer, effectively reduces the surface temperature of the material, avoids the rapid degradation of the material, and simultaneously the hydromagnesite can be gathered on the surface of the material in the combustion process to form a stable cement-shaped hard shell layer, block the oxygen supply and prevent the combustion process from further spreading; the phosphorus-nitrogen flame retardant is used as an auxiliary flame retardant, so that the flame retardant effect is greatly improved.
The utility model discloses a polyester PET film area is around the covering, is better cable barrier material.
The utility model discloses the shielding layer is woven to the thin copper wire of anaerobic, makes the cable have stronger external electromagnetic interference resistance ability, guarantees data and signal stable transmission.
The utility model discloses high flame retardant fiber area is around the covering, and tensile strength is high, and the extension is little, and the elastic coefficient is high, and the rigidity is good, and the extension volume is big and tensile strength is high in the elasticity limit, so absorbed impact energy is big, for inorganic fiber, possesses incombustibility, chemical resistance, the hydroscopicity is little. The scale stability and the heat resistance are good.
The thin oxygen-isolating extruded inner protective layer of the utility model has the characteristics of excellent flame retardant property, excellent processing technique property, no halogen and low smoke quantity, is a green environment-friendly flame retardant material,
the utility model discloses copper is moulded composite band and is wrapped the package shielding layer, has anti external electromagnetic interference ability, guarantees data and signal stable transmission.
The utility model discloses fire-retardant interior sheath of crowded package, interior sheath effect is that protection insulation core is not damaged by armor or shielding layer and is used.
The utility model discloses the steel band armor, the effect of steel band armor is used for playing the shielding effect, avoids the high voltage alternating current to cause the mechanical properties of the steel band reinforced cable for the armoured cable of interference to the facility of outside and signal, makes the cable can bear outside mechanical pressure.
The utility model discloses high fire-retardant oversheath layer, high fire-retardant thermoplastic low smoke and zero halogen flame retardant sheath material have fabulous flame retardant efficiency, and the material has from putting out the nature well, and the flue gas release amount is low, the advantage that the toxicity is low.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an extra-high voltage transformer substation is with anti-interference resistant radiation high fire-retardant fire-resistant control cable, includes many cable cores, its characterized in that, the cable core outside sets up calcines the phlogopite layer calcine the phlogopite layer outside sets up crowded fire-retardant insulating layer of package, and crowded fire-retardant insulating cable core of package carries out the transposition stranding of backing up in advance, sets gradually polyester PET film area in the stranding sinle silk outside and winds covering, oxygen-free thin copper wire and weaves shielding layer, high fire-retardant fibre area around the covering, the crowded package inner sheath of thin shape oxygen that separates, copper-plastic composite band around covering shielding layer, crowded package fire-retardant inner sheath, steel band armor and high fire-retardant oversheath.
2. The anti-interference, radiation-resistant, high-flame-retardant and fire-resistant control cable for the extra-high voltage substation according to claim 1, characterized in that the cable core is formed by stranding a plurality of oxygen-free thin copper wires.
3. The anti-interference, radiation-resistant, high-flame-retardant and fire-resistant control cable for the extra-high voltage substation according to claim 1, wherein the extruded flame-retardant insulating layer is identified by a number or a color code.
4. The anti-interference, radiation-resistant, high-flame-retardant and fire-resistant control cable for the extra-high voltage substation according to claim 1, characterized in that a flame-retardant tearing mesh belt is filled in a gap where a flame-retardant insulating cable core is extruded and untwisted to form a cable.
5. The anti-interference, radiation-resistant, high-flame-retardant and fire-resistant control cable for the extra-high voltage substation according to claim 1, wherein the extruded flame-retardant insulating layer is made of high-flame-retardant polyolefin at 125 ℃.
6. The anti-interference, radiation-resistant, high-flame-retardant and fire-resistant control cable for the extra-high voltage substation according to claim 1, wherein the high-flame-retardant fiber tape winding cladding is prepared from inorganic fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695368.5U CN211858207U (en) | 2020-04-29 | 2020-04-29 | Anti-interference radiation-resistant high-flame-retardant fire-resistant control cable for extra-high voltage transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695368.5U CN211858207U (en) | 2020-04-29 | 2020-04-29 | Anti-interference radiation-resistant high-flame-retardant fire-resistant control cable for extra-high voltage transformer substation |
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| CN211858207U true CN211858207U (en) | 2020-11-03 |
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| CN202020695368.5U Active CN211858207U (en) | 2020-04-29 | 2020-04-29 | Anti-interference radiation-resistant high-flame-retardant fire-resistant control cable for extra-high voltage transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116864190A (en) * | 2023-07-31 | 2023-10-10 | 江苏恒辉电气有限公司 | Flame-retardant fire-resistant anti-interference radiation-resistant control cable and detection method |
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2020
- 2020-04-29 CN CN202020695368.5U patent/CN211858207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116864190A (en) * | 2023-07-31 | 2023-10-10 | 江苏恒辉电气有限公司 | Flame-retardant fire-resistant anti-interference radiation-resistant control cable and detection method |
| CN116864190B (en) * | 2023-07-31 | 2024-01-30 | 江苏恒辉电气有限公司 | Flame-retardant fire-resistant anti-interference radiation-resistant control cable and detection method |
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