CN203931624U - The fiber of resistance to extreme temperature sheath lv power cable for special equipment - Google Patents
The fiber of resistance to extreme temperature sheath lv power cable for special equipment Download PDFInfo
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- CN203931624U CN203931624U CN201420185533.7U CN201420185533U CN203931624U CN 203931624 U CN203931624 U CN 203931624U CN 201420185533 U CN201420185533 U CN 201420185533U CN 203931624 U CN203931624 U CN 203931624U
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- power cable
- conductor
- oversheath
- inner sheath
- lapping layer
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Abstract
The utility model relates to a kind of lv power cable, for special equipment occasions such as Aero-Space, naval vessel and offshore platforms.High temperature resistant high and cold fiber sheath lv power cable for a kind of special equipment, comprise stranded soft silk conductor (1), insulating barrier (2), filled core (3), lapping layer (4), inner sheath (5), woven shield (6) and oversheath (7), conductor outsourcing insulation is as heart yearn, outsourcing lapping layer after split conductor stranding, in split conductor center gap, there is filled core to fill, filled core is high-strength anti-flaming aramid fiber thigh hank knotting, lapping layer outsourcing inner sheath, inner sheath has woven shield outward, and outside is wrapped oversheath again; Oversheath is the fibrage of multilaminar high strength degree flexible glass; Insulating barrier and inner sheath are respectively cold-resistant cross-linked silicone rubber Insulation Material and protective cover material.Power cable of the present utility model has fabulous alternating bending intensity and mechanical strength, has fabulous weather-proof decay resistance, and conductor-powered is reliable and stable, long service life.
Description
Technical field
The utility model relates to a kind of lv power cable, relates in particular to a kind of lv power cable of resistance to extreme temperature for special equipment, for special equipment occasions such as Aero-Space, naval vessel and offshore platforms.
Background technology
Power supply is the essential energy sources of all electrical works.In existing heatproof power cord and cable, in order to adapt to the operational environment of high temperature, people have released the production Technology such as inorganic ceramic powder technique, inorfil weaving, high temperature heat-resistant plastic process.Wherein inorganic ceramic powder technique heat resistance is best, almost in any extreme temperature environment, can apply, but because of the reliable metal sleeve of needs or porcelain bushing, and its application length is limited, can not move bending; Especially carbon fibre material braiding heat resistance is splendid for inorfil weaving, also can move bending, long distance use, but its electrical insulation properties is limited, once braid cracking will cause irremediable electric leakage accident in mobile use; Can grow distance applications, mobile crooked, can avoid again the material of insulating barrier cracking in using to only have thermoplastic.In order better to apply thermoplastic, it is the important technology that improves material heat resistance that thermoplastic is cross-linked to improvement.
Existing lv power cable structure as shown in Figure 1, general adopt single or stranded naked copper (zinc-plated) as conductor 11, crosslinked polyetylene insulated or polyvinyl chloride insulation is as insulating barrier 12, after split conductor stranding, with woven shield or armouring screen 13, flame-proof polyvinyl chloride (low-smoke halogen-free polyolefin) 14 is oversheath.Existing low-voltage power electric wire is ignored the damaging influence that in mobile crooked use, pulling force causes cable aborning, there is no special bearing tension or the parts of gravity.Member gravity when the pulling force in movement or at right angle setting acts directly on conduction conductor like this, easily causes conductor to break, and shortens application life.
Existing flame retardant cable generally adopts protective cover material and the Insulation Material that flame retardant rating is higher.Yet any polyolefin-based thermoplastic can not continue under the burning of flame not catching fire.Control cable installation position temperature at heater elements such as the engine of the equipments such as Aero-Space, naval vessel, generators can reach more than 200 ℃, sometimes even reaches more than 500 ℃.Common polyolefin insulation and cladding material moment will be melted.
Existing lv power cable is uneven in the combination property of the aspects such as fire-retardant, fire-resistant, high temperature resistant high and cold, resistance to electromagnetic interference, and in the Grand Equipments such as the high Aero-Space of extreme temperature, high chemical corrosion, high electromagnetic interference, fire protection requirement, navigation, ocean engineering, application exists significantly not enough.
Summary of the invention
The purpose of this utility model is to provide the fiber of resistance to extreme temperature sheath lv power cable for a kind of special equipment, this power cable has fabulous alternating bending intensity and mechanical strength, have fabulous weather-proof decay resistance, conductor-powered is reliable and stable, long service life.
In order to realize above-mentioned technical purpose, the utility model adopts following technical scheme:
High temperature resistant high and cold fiber sheath lv power cable for a kind of special equipment, comprise conductor, insulating barrier, lapping layer, inner sheath, woven shield and oversheath, conductor is meticulous stranded soft silver-gilt copper wire, lapping layer is fire-resistant gluing glass fiber strap, and woven shield is high temperature resistant aluminum-magnesium alloy wire or silver-gilt copper wire braiding;
Described cable also comprises filled core, described conductor outsourcing insulation is as heart yearn, outsourcing lapping layer after split conductor stranding, in split conductor center gap, there is filled core to fill, filled core is high-strength anti-flaming aramid fiber thigh hank knotting, lapping layer outsourcing inner sheath, inner sheath has woven shield outward, and outside is wrapped oversheath again;
Described insulating barrier is cold-resistant cross-linked silicone rubber Insulation Material; Described inner sheath is cold-resistant cross-linked silicone rubber protective cover material; Described oversheath is that multilaminar high strength degree high flexibility is fiberglass braided.
Every kilometer of weight of described power cable, when 1000kg is following, adopts three floor height intensity flexible glass fibrage oversheaths; When every kilometer of weight G of described control cables is during at 1000kg<G<2000kg, adopt five layers of fiberglass braided oversheath, when every kilometer of weight G of described control cables is during at 2000kg<G<3000kg, adopt seven layers of fiberglass braided oversheath.
The utility model special equipment has fabulous alternating bending intensity and mechanical strength with the fiber of resistance to extreme temperature sheath lv power cable, can in intensive work, can keep Stability Analysis of Structures; This power cable has fabulous weather-proof decay resistance, the work requirements of can suitable boats and ships passing through ocean and polar region, can bear the high-strength hydraulic pressure of habitata instrument deep-sea wiring, can follow Aero-Space equipment to carry out the work at the outer space of temperature environment complexity.Because conductor wire core does not bear gravity and pulling force, conductor-powered is reliable and stable, long service life.
Accompanying drawing explanation
Fig. 1 is existing lv power cable structural representation;
Fig. 2 is the fiber of resistance to extreme temperature sheath lv power cable structural representation for the utility model special equipment.
In figure: 1 conductor, 2 insulating barriers, 3 filled cores, 4 lapping layers, 5 inner sheaths, 6 woven shields, 7 oversheaths; 11 single or stranded naked copper (zinc-plated) conductors, 12 crosslinked polyetylene insulated or polyvinyl chloride insulation layers, 13 woven shields or armouring screen, 14 flame-proof polyvinyl chlorides (low-smoke halogen-free polyolefin) oversheath.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Referring to Fig. 2, high temperature resistant high and cold fiber sheath lv power cable for a kind of special equipment, comprise stranded soft silk conductor 1, insulating barrier 2, filled core 3, lapping layer 4, inner sheath 5, woven shield 6 and oversheath 7, described conductor 1 outsourcing insulation 2 is as heart yearn, outsourcing lapping layer 4 after split conductor stranding, in split conductor center gap, there is filled core 3 to fill, filled core 3 is high-strength anti-flaming aramid fiber thigh hank knotting, lapping layer 4 outsourcing inner sheaths 5, inner sheath 5 is outer woven shield 6, and outside is wrapped oversheath 7 again; Described oversheath 7 is that multilaminar high strength degree high flexibility is fiberglass braided.
Described conductor 1 is meticulous stranded soft silver-gilt copper wire, and metal layer thickness >0.02mm, is not at high temperature oxidized conductor, keeps normal ability to work.Conductor 1 surface has good roundness and smoothness.
Described insulating barrier 2 is the good cross-linked silicone rubber Insulation Material of heat resistance.This insulating barrier 2 has lower electromagnetic loss, higher tensile strength, good corrosion-resistant and heat resistance, guarantees that large load current normally provides and delivers.Low temperature resistant cross-linked silicone rubber Insulation Material cost is higher, and heat resistance is better, moves to use and fixedly mount while using all can apply in low-intensity.Cross-linked silicone rubber Insulation Material has good elasticity in extremely low temperature environment, and Applicable temperature maximum magnitude is-120 ℃～350 ℃.
Described heart yearn is electric power dispensing core, and it adopts ripe manufacturing process, is convenient to modularization and installs, and reduces costs, saves preventive maintenance time.Electric power dispensing core has stable low-voltage power electric current conveying function, can normally work, for equipment provides reliable electric power safeguard in high temperature psychro-environment.
Described filled core 3 adopts high-strength anti-flaming aramid fiber thigh hank knotting, is positioned at split conductor center gap, strengthens construction of cable stability, bearing tension ability and fire resistance.The fire-retardant heatproof aramid fiber thigh hank knotting that this filled core adopts Yantai calm and peaceful new material Co., Ltd to produce, this filled core is again strengthening core, when mounted aramid fiber strengthening core is fixed on link, load-bearing pulling force and the vibrations of minimizing work core, assurance work core steady operation, extend life of product, the core of working when equipment acutely rocks, shakes can not broken because of stressed.When subsea equipment is worked, can follow equipment and together enter seabed, can bear the mobile pulling force bringing of the high-strength hydraulic pressure in seabed and equipment.
Described lapping layer 4 is fire-resistant gluing glass fiber strap, wrapped during for stranding, when meeting fire burning, even if outer protective sleeve burning is on fire, because there is the existence of fireproof glass silk strap and wire sheathing inside, internal work unit can catching fire yet, thereby guarantee to be equipped in, meets under condition of a fire condition, has enough time to dispose dangerous situation.
Described inner sheath 5, for cold-resistant cross-linked silicone rubber protective cover material, guarantees that internal core is not injured by water body when contacting with water body.This material has the dirty resistance to chemical corrosion of stronger oil resistant, is adapted at using under slurry environment.
Described woven shield 6 is high temperature resistant aluminum-magnesium alloy wire or silver-gilt copper wire braiding, this braiding armouring screen has good structural stability (count >80%), the induced current that periphery electromagnetic field is produced plays ground connection effect, avoid cable to produce electrostatic influence precision instrument and normally work, simultaneously for product provides metal protection.This woven shield 6 is smooth, without burr and sleave, for product provides metal protection, guarantees that product has good anti-mechanical damage ability, stable structure and perfect shielding harness.
Described oversheath 7 forms for the fibrage of multilaminar high strength degree flexible glass, and this oversheath corrosion resisting property is better, electric property is splendid, pliability good, can meet the performance requirement that the armament-related work temperature difference is large, contact material corrosivity is strong and fire protection requirement is high.This shaped material is applied to the oversheath of naval vessel, Avionic Products, can guarantee that product can be used for a long time within the scope of-80 ℃～300 ℃, can temporarily apply in the operational environment of-120 ℃～350 ℃.
According to the relation between power cable product weight of the present utility model and fiberglass braided oversheath, when every kilometer of weight of product is when 1000kg is following, adopt three floor height intensity flexible glass fibrage oversheaths.When every kilometer of weight of product surpasses 1000kg, often surpassing 1000kg increases layer glass fibrage sheath.When every kilometer of weight G of product is during at 1000kg<G<2000kg, adopt five layers of fiberglass braided sheath, when 2000kg<G<3000kg, adopt seven layers of fiberglass braided sheath, by that analogy.
The utility model special equipment between 5mm～45mm, can possess electric power dispensing core in multicore heavy in section with high temperature resistant high and cold fiber sheath lv power cable external diameter simultaneously, has the comprehensive functions such as high-power electric dispensing, power supply core rated voltage U
0/ U: 300/500V; 450/750V; 600/1000V.When product needed electric power dispensing core, power line core conductor sectional area scope is 0.5～185mm
2.
The utility model is easy for installation, reasonable in design, and long service life is the ideal chose of-80 ℃～300 ℃ of interval heatproof products, adapts to the Special Work environment of the Grand Equipments such as Aero-Space, naval vessel.
These are only preferred embodiment of the present utility model; be not intended to limit protection range of the present utility model; therefore, all any modifications of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model within spirit of the present utility model and principle.
Claims (2)
1. a high temperature resistant high and cold fiber sheath lv power cable for special equipment, comprise conductor (1), insulating barrier (2), filled core (3), lapping layer (4), woven shield (6) and oversheath (7), conductor (1) is meticulous stranded soft silver-gilt copper wire, lapping layer (4) is fire-resistant gluing glass fiber strap, and woven shield (6) is high temperature resistant aluminum-magnesium alloy wire or silver-gilt copper wire braiding; Described conductor (1) outsourcing insulation (2) is as heart yearn, and outsourcing lapping layer (4) after split conductor stranding, has filled core (3) to fill in split conductor center gap, and filled core (3) is high-strength anti-flaming aramid fiber thigh hank knotting;
It is characterized in that: described cable also comprises inner sheath (5), lapping layer (4) outsourcing inner sheath (5), inner sheath (5) is outer woven shield (6), and outside is wrapped oversheath (7) again;
Described insulating barrier (2) is cold-resistant cross-linked silicone rubber Insulation Material;
Described inner sheath (5) is cold-resistant cross-linked silicone rubber protective cover material;
Described oversheath (7) is that multilaminar high strength degree high flexibility is fiberglass braided.
2. high temperature resistant high and cold fiber sheath lv power cable for special equipment according to claim 1, is characterized in that: every kilometer of weight of described power cable, when 1000kg is following, adopts three floor height intensity flexible glass fibrage oversheaths; When every kilometer of weight G of described power cable is during at 1000kg<G<2000kg, adopt five layers of fiberglass braided oversheath, when every kilometer of weight G of described power cable is during at 2000kg<G<3000kg, adopt seven layers of fiberglass braided oversheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185533.7U CN203931624U (en) | 2014-04-17 | 2014-04-17 | The fiber of resistance to extreme temperature sheath lv power cable for special equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185533.7U CN203931624U (en) | 2014-04-17 | 2014-04-17 | The fiber of resistance to extreme temperature sheath lv power cable for special equipment |
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| Publication Number | Publication Date |
|---|---|
| CN203931624U true CN203931624U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420185533.7U Expired - Fee Related CN203931624U (en) | 2014-04-17 | 2014-04-17 | The fiber of resistance to extreme temperature sheath lv power cable for special equipment |
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| CN (1) | CN203931624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993173A (en) * | 2019-12-02 | 2020-04-10 | 广州亚太线缆科技有限公司 | High-temperature cable with insulating silicone rubber sheath and preparation method thereof |
-
2014
- 2014-04-17 CN CN201420185533.7U patent/CN203931624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993173A (en) * | 2019-12-02 | 2020-04-10 | 广州亚太线缆科技有限公司 | High-temperature cable with insulating silicone rubber sheath and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141105 |