CN203415302U - Slurry-resistant cable for frequency converter - Google Patents
Slurry-resistant cable for frequency converter Download PDFInfo
- Publication number
- CN203415302U CN203415302U CN201320504975.9U CN201320504975U CN203415302U CN 203415302 U CN203415302 U CN 203415302U CN 201320504975 U CN201320504975 U CN 201320504975U CN 203415302 U CN203415302 U CN 203415302U
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- China
- Prior art keywords
- cable
- frequency converter
- mud
- resistance
- slurry
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- 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 - Lifetime
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Abstract
The utility model relates to a slurry-resistant cable for a frequency converter, and belongs to the technical field of cables. The slurry-resistant cable for the frequency converter comprises a cable core and an external sheath. The slurry-resistant cable for the frequency converter is characterized in that the cable core is formed by twisting a ground wire insulated wire core, a primary wire insulated cable core and fillers. The ground wire insulated wire core and the primary wire insulated cable core are respectively formed in a way that a tin-plated twisting copper conductor is extruded with a cross-linking polyethylene insulating layer. Diameter of the primary wire insulated cable core is greater than that of the ground wire insulated wire core. The cable core is externally wrapped with a high flame-retardant wrapping tape which is externally extruded with an internal lining layer made of halogen-free low-smoke and flame-retardant polyolefin oxygen insulation material. The internal lining layer is provided with a shielding layer which is externally extruded with a slurry-resistant internal sheath. The internal sheath is externally woven with a tin-plated copper wire armor layer which is extruded with the external sheath made of slurry-resistant halogen-free low-smoke and flame-retardant polyolefin material. The slurry-resistant cable for the frequency converter can be applied with combination of a variable frequency motor on a well drilling platform. The slurry-resistant cable for the frequency converter has great low temperature resistant, flame-retardant, slurry-resistant and anti-interference capabilities. Meanwhile, the slurry-resistant cable for the frequency converter has excellent electrical performance and mechanical performance, and is long in the service life.
Description
Technical field
The utility model relates to a kind of structure of cable, and especially the structure of the cable of resistance to mud for frequency converter, belongs to cable technology field.
Background technology
Along with continuous consumption and the exhaustion of Land petroleum resource, ocean becomes the major domain of world's oil and gas development just gradually, and presents to the trend of deep-sea and polar region development.Along with the quickening of the production production domesticization speed of oil platform, the enterprise of more domestic extra large industrial and commercial bank industry is used the quantity of domestic oil platform cable to increase year by year, and the demand of domestic oil platform cable is increasing.Drilling platforms is under the adverse circumstances such as many water, heavy wool, many mud material; use superincumbent cable often can touch mud; and on drilling platforms, also to there is higher interference free performance with the matching used cable of variable-frequency motor, thereby need to research and develop a kind of matching used cable of variable-frequency motor specially and on drilling platforms.
Utility model content
The purpose of this utility model is to provide a kind of cable of resistance to mud for frequency converter that can use with drilling platforms up-conversion electric drilling match, make it there is good low temperature resistant, fire-retardant, resistance to mud, jamproof ability, there is excellent electric property and mechanical performance, long service life simultaneously.
The purpose of this utility model is achieved through the following technical solutions: the cable of resistance to mud for frequency converter, comprise cable core and oversheath, it is characterized in that, described cable core is by ground wire insulated wire cores, main line insulated wire cores and inserts twisted synthesizing cable form, described ground wire insulated wire cores and main line insulated wire cores form by extruding crosslinked polyetylene insulated layer in zinc-plated twisted copper conductors respectively, main line insulated wire cores diameter is greater than ground wire insulated wire cores diameter, the outer wrapped high flame retardant band of cable core, band extrudes the inner covering of halogen-free and low-smoke flame-retardant polyolefin oxygen barrier material outward, screen is set on inner covering, at screen, extrude the inner sheath of resistance to mud outward, at inner sheath, weave tinned copper wire armour outward, on armour, extrude the oversheath of the halogen-free and low-smoke flame-retardant polyolefin of resistance to mud material.
Described screen is proof copper-wire braided layer or tincopper fuse wire braided armor or copper strips lapping layer.
Described screen adds proof copper-wire braided layer by copper strips lapping layer or tincopper fuse wire braided armor forms.
Described screen adds copper strips lapping layer by copper wire around layer and forms.
Described screen adds tincopper fuse wire braided armor by aluminium-plastic tape lapping layer and forms.
The aluminium of described aluminium-plastic tape is towards interior, and a tinned copper wire drainage thread is placed in aluminium-plastic tape lapping layer inner side.
Described inserts is inorganic fire-retarded gasket for packing.
Ground wire insulated wire cores in described cable core and main line insulated wire cores are respectively three, symmetrical.
The utility model is the cable of resistance to mud for frequency converter, zinc-plated twisted copper conductors, crosslinked polyetylene insulated layer, packed layer, band, inner covering, screen, inner sheath, tinned copper wire braiding armour, oversheath, consists of.
In zinc-plated twisted copper conductors, extrude crosslinked polyetylene insulated layer and form respectively ground wire insulated wire cores, main line insulated wire cores, utilize cabling device by insulated wire cores twisted synthesizing cable, according to actual needs, adopt inorganic fire-retarded gasket for packing in order to guarantee the rounding of cable, the outer wrapped high flame retardant band of cable core, band extrudes halogen-free and low-smoke flame-retardant polyolefin oxygen barrier material outward as inner covering, screen comprises various structures, while adopting single-layer shield mode, comprises (zinc-plated) proof copper-wire braided, the wrapped shielding of copper strips; While adopting two-layer compound shielding mode, comprise copper strips wrapped+(zinc-plated) proof copper-wire braided, copper wire around+copper strips is wrapped, aluminium-plastic tape is wrapped+tinned copper wire braiding, in screen, comprise the wrapped and aluminium of aluminium-plastic tape when interior, a tinned copper wire is placed as drainage thread in aluminium-plastic tape inner side, when aluminium does not add drainage thread when outer.Inner sheath and oversheath adopt the special halogen-free and low-smoke flame-retardant polyolefin sheathed material of resistance to mud.At screen, extrude the material of resistance to shape mud sheath outward as inner sheath, adopt tinned copper wire weaving manner as armature of cable layer, at armour, extrude the halogen-free and low-smoke flame-retardant polyolefin sheathed material of resistance to mud as oversheath, form the cable of resistance to mud for frequency converter.
The technical advantage that the utility model adopts special material technique, in conjunction with Norway NEK 606:2009, American I EEE 1580:2010 and the requirement of international IEC 60092:353 standard design, realizes the low smoke, zero halogen of finished cable, low temperature resistant and resistance to mud property.
Resistance to mud property index of the present utility model is:
1) immersion oil (IRM 903), (100 ± 2 ℃, index 7d), tensile strength rate of change and elongation at break rate of change value are no more than 30%, and cubical expansivity is no more than 30%, and weight increase is no more than 30%;
2) immersion oil base (Carbo Sea), (70 ± 2 ℃, index 56d), tensile strength rate of change and elongation at break rate of change value are no more than 25%, and cubical expansivity is no more than 20%, and weight increase is no more than 15%;
3) immersion base (Calcium Bromide Brine), (70 ± 2 ℃, index 56d), tensile strength rate of change and elongation at break rate of change value are no more than 25%, and cubical expansivity is no more than 20%, and weight increase is no more than 15%;
The utility model is low temperature resistant reaches-40 ℃, and low smoke, zero halogen performance meets the requirement of NEK 606:2009 standard, the fire-retardant requirement that meets bunchy category-A burning test in standard GB/T/T 18380.33-2008.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1 ground wire insulated wire cores conductor, 2 main line insulated wire cores conductors, 3 crosslinked polyetylene insulated layers, 4 inserts, 5 high flame retardant bands, 6 inner coverings, 7 screens, 8 inner sheaths, 9 tinned copper wire braiding armours, 10 oversheaths.
Embodiment
The cable of resistance to mud for frequency converter, the cable core being formed by 3 ground wire insulated wire cores, 3 main line insulated wire cores and inserts 4 twisted synthesizing cables, inserts is inorganic fire-retarded gasket for packing.Ground wire insulated wire cores and main line insulated wire cores form by extruding crosslinked polyetylene insulated layer 3 in zinc-plated twisted copper conductors respectively, and main line insulated wire cores diameter is greater than ground wire insulated wire cores diameter.Ground wire insulated wire cores and main line insulated wire cores are respectively three, symmetrical.
The outer wrapped high flame retardant band 5 of cable core, band extrudes the inner covering 6 of halogen-free and low-smoke flame-retardant polyolefin oxygen barrier material outward, screen 7 is set on inner covering, at screen, extrude the inner sheath of resistance to mud 8 outward, at inner sheath, weave tinned copper wire armour 9 outward, on armour, extrude the oversheath 10 of the halogen-free and low-smoke flame-retardant polyolefin of resistance to mud material.
Screen comprises various structures, while adopting single-layer shield mode, is proof copper-wire braided layer or tincopper fuse wire braided armor or copper strips lapping layer.While adopting two-layer compound shielding mode, by copper strips lapping layer, add proof copper-wire braided layer or tincopper fuse wire braided armor forms; Or screen adds copper strips lapping layer by copper wire around layer and forms; Or screen adds tincopper fuse wire braided armor by aluminium-plastic tape lapping layer and forms.The aluminium of aluminium-plastic tape is towards interior, and a tinned copper wire drainage thread is placed in aluminium-plastic tape lapping layer inner side.
The utility model adopts the excellent halogen-free and low-smoke flame-retardant polyolefin sheathed material of resistance to mud to have good resistance to mud, fire-retardant, anti-sea water intrusion, the characteristic such as low temperature resistant in order to guarantee cable; Adopt halogen-free and low-smoke flame-retardant polyolefin oxygen barrier material, fire-retardant packing material and high flame retardant band to guarantee that cable has excellent flame retardant effect, can reach the requirement of bunchy category-A burning test simultaneously; Adopt three large three little symmetrical structures, and add metallic shield, played balanced balanced current, reduced high order harmonic component effect with the cable of resistance to mud to frequency converter, effectively reduce and extraneous phase mutual interference; The multiple shielding mode of design can be used in different operational environments according to user's needs, and especially, when adopting two-layer compound shielding mode, cable has excellent antijamming capability.
Claims (8)
1. the cable of resistance to mud for frequency converter, comprise cable core and oversheath, it is characterized in that, described cable core is by ground wire insulated wire cores, main line insulated wire cores and inserts twisted synthesizing cable form, described ground wire insulated wire cores and main line insulated wire cores form by extruding crosslinked polyetylene insulated layer in zinc-plated twisted copper conductors respectively, main line insulated wire cores diameter is greater than ground wire insulated wire cores diameter, the outer wrapped high flame retardant band of cable core, band extrudes the inner covering of halogen-free and low-smoke flame-retardant polyolefin oxygen barrier material outward, screen is set on inner covering, at screen, extrude the inner sheath of resistance to mud outward, at inner sheath, weave tinned copper wire armour outward, on armour, extrude the oversheath of the halogen-free and low-smoke flame-retardant polyolefin of resistance to mud material.
2. the cable of resistance to mud for frequency converter according to claim 1, is characterized in that, described screen is proof copper-wire braided layer or tincopper fuse wire braided armor or copper strips lapping layer.
3. the cable of resistance to mud for frequency converter according to claim 1, is characterized in that, described screen adds proof copper-wire braided layer by copper strips lapping layer or tincopper fuse wire braided armor forms.
4. the cable of resistance to mud for frequency converter according to claim 1, is characterized in that, described screen adds copper strips lapping layer by copper wire around layer and forms.
5. the cable of resistance to mud for frequency converter according to claim 1, is characterized in that, described screen adds tincopper fuse wire braided armor by aluminium-plastic tape lapping layer and forms.
6. the cable of resistance to mud for frequency converter according to claim 5, is characterized in that, the aluminium of described aluminium-plastic tape is towards interior, and a tinned copper wire drainage thread is placed in aluminium-plastic tape lapping layer inner side.
7. the cable of resistance to mud for frequency converter according to claim 1, is characterized in that, described inserts is inorganic fire-retarded gasket for packing.
8. the cable of resistance to mud for frequency converter according to claim 1, is characterized in that, the ground wire insulated wire cores in described cable core and main line insulated wire cores are respectively three, symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504975.9U CN203415302U (en) | 2013-08-19 | 2013-08-19 | Slurry-resistant cable for frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504975.9U CN203415302U (en) | 2013-08-19 | 2013-08-19 | Slurry-resistant cable for frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415302U true CN203415302U (en) | 2014-01-29 |
Family
ID=49978176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320504975.9U Expired - Lifetime CN203415302U (en) | 2013-08-19 | 2013-08-19 | Slurry-resistant cable for frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415302U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886955A (en) * | 2014-03-03 | 2014-06-25 | 无为县金华电缆材料有限公司 | Flat sheathing and shielding cable for well drilling |
| CN103903799A (en) * | 2014-03-04 | 2014-07-02 | 安徽恒晶电缆集团有限公司 | Double-shielding and anti-interference power cable |
| CN103915194A (en) * | 2014-03-12 | 2014-07-09 | 安徽省高沟电缆有限公司 | Low-smoke and halogen-free fireproof double-shielded cable resistant to high temperature |
| CN104112537A (en) * | 2014-07-09 | 2014-10-22 | 安徽华菱电缆集团有限公司 | Power cable used for flame-retarding ship |
| CN104240832A (en) * | 2014-09-26 | 2014-12-24 | 中利科技集团股份有限公司 | Novel flame-retardant fireproof cable |
| CN105702350A (en) * | 2016-04-27 | 2016-06-22 | 丹阳正联知识产权运营管理有限公司 | Waterproof variable frequency cable with low electromagnetism and resistant to interference |
| CN112117047A (en) * | 2020-09-16 | 2020-12-22 | 安徽海纳电缆集团有限公司 | Crosslinked polyethylene insulation halogen-free low-smoke variable frequency power cable |
-
2013
- 2013-08-19 CN CN201320504975.9U patent/CN203415302U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886955A (en) * | 2014-03-03 | 2014-06-25 | 无为县金华电缆材料有限公司 | Flat sheathing and shielding cable for well drilling |
| CN103903799A (en) * | 2014-03-04 | 2014-07-02 | 安徽恒晶电缆集团有限公司 | Double-shielding and anti-interference power cable |
| CN103915194A (en) * | 2014-03-12 | 2014-07-09 | 安徽省高沟电缆有限公司 | Low-smoke and halogen-free fireproof double-shielded cable resistant to high temperature |
| CN104112537A (en) * | 2014-07-09 | 2014-10-22 | 安徽华菱电缆集团有限公司 | Power cable used for flame-retarding ship |
| CN104240832A (en) * | 2014-09-26 | 2014-12-24 | 中利科技集团股份有限公司 | Novel flame-retardant fireproof cable |
| CN104240832B (en) * | 2014-09-26 | 2016-07-13 | 中利科技集团股份有限公司 | A kind of fire-retardant fireproof cable |
| CN105702350A (en) * | 2016-04-27 | 2016-06-22 | 丹阳正联知识产权运营管理有限公司 | Waterproof variable frequency cable with low electromagnetism and resistant to interference |
| CN112117047A (en) * | 2020-09-16 | 2020-12-22 | 安徽海纳电缆集团有限公司 | Crosslinked polyethylene insulation halogen-free low-smoke variable frequency power cable |
| CN112117047B (en) * | 2020-09-16 | 2022-02-01 | 安徽海纳电缆集团有限公司 | Crosslinked polyethylene insulation halogen-free low-smoke variable frequency power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |