CN203102987U - Silicone rubber insulation frequency converter cable with rated voltage of 6 to 15kV - Google Patents
Silicone rubber insulation frequency converter cable with rated voltage of 6 to 15kV Download PDFInfo
- Publication number
- CN203102987U CN203102987U CN 201320034540 CN201320034540U CN203102987U CN 203102987 U CN203102987 U CN 203102987U CN 201320034540 CN201320034540 CN 201320034540 CN 201320034540 U CN201320034540 U CN 201320034540U CN 203102987 U CN203102987 U CN 203102987U
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- Prior art keywords
- cable
- coated
- layer
- silicon rubber
- silicone rubber
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Links
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 62
- 238000009413 insulation Methods 0.000 title claims abstract description 35
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 6
- 230000007935 neutral effect Effects 0.000 abstract description 5
- 239000003063 flame retardant Substances 0.000 abstract 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- -1 metallurgy Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000036314 physical performance Effects 0.000 description 2
- 229920000260 silastic Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
Abstract
The utility model discloses a silicone rubber insulation frequency converter cable with the rated voltage of 6 to 15kV. The cable comprises three copper conductors which are formed by twisting a number of tinned copper wires or bare copper wires together. The outer surface of each copper conductor is coated with a first semi conductive silicone rubber shielding layer. A silicone rubber insulation layer is coated on the outer surface of each first semi conductive silicone rubber shielding layer. A second semi conductive silicone rubber shielding layer is coated on the outer surface of each silicone rubber insulation layer, so as to form a power line core. Three power line cores are twisted to form a cable core. A cushion layer is coated on the outer surface of the cable core. The outer surface of the cushion layer is coated with a sheath layer. The gaps between the power line cores and the cushion layer are filled with halogen free flame retardant fillers. A metal shielding layer is coated on the outer surface of each second semi conductive silicone rubber shielding layer. The cable provided by the utility model can suppress electromagnetic wave emission and can be used as a short circuit current channel to protect the neutral line cores, and thus long-term, safe and stable operation of the cable is ensured.
Description
Technical field
The utility model relates to a kind of silicon rubber insulation converter cable, relates in particular to a kind of rated voltage 6 to 15kV silicon rubber insulation converter cable.
Background technology
The insulation converter cable is useful in special dimensions such as iron and steel, metallurgy, oil exploitation in the prior art, work under bad environment, temperature is higher, when using long-distance cable to be mounted on the frequency converter of diverse location and motor, power of motor is bigger, and frequency bands of a spectrum broad is for the such electric drive system of frequency converter-cable-motor, the distribution character of cable, length etc. become the principal element that influences the frequency converter operating efficiency, and is specific as follows:
(1) cable usually can use under severe environmental conditions, and as at special dimensions such as generating, chemical industry, oil, metallurgy, iron and steel, that the cable that requires part to use has is high temperature resistant, the ability of acid and alkali-resistance and property such as ageing-resistant.
(2) cable is between the operating period, need guarantee at high temperature, low temperature or environment more under the exacting terms, and cable can normal and stable operation, guarantees the long-term safety stable operation of cable.
(3) cable both need play and suppress the externally effect of emission of electromagnetic wave, can be used as the passage of short circuit current again, played the protective effect of neutral core.
Therefore, the wave distortion of consideration environment for use, voltage or electric current, electromagnetic interference, distributed capacitance, wave form impedance etc. are all multifactor, the existing cable structural design is analyzed, can satisfy the requirement of environment for use, thereby make whole frequency conversion system place of working reliable more, stable, become the direction that those of ordinary skills make great efforts.
Summary of the invention
The utility model provides a kind of rated voltage 6 to 15kV silicon rubber insulation converter cable, it had both played the externally effect of emission of electromagnetic wave that suppresses, can be used as the passage of short circuit current again, play the protective effect of neutral core, thereby guaranteed the long-term safety stable operation of cable; And avoid between insulating barrier and sheath, partial discharge taking place, prolonged cable useful life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of rated voltage 6 is to 15kV silicon rubber insulation converter cable, this silicon rubber insulation converter cable is between frequency converter and motor, comprise three by some tinned copper wires or the stranded copper conductor that forms of bare copper wire, described copper conductor outer surface is coated with the first semiconductive silicon rubber screen, one silicone rubber insulation layer is coated on the described first semiconductive silicon rubber screen outer surface, thereby one second semiconductive silicon rubber screen is coated on described silicone rubber insulation layer outer surface and forms the power core, three stranded formation cable cores of this power core, one bed course is coated on this cable core outer surface, this bed course outer surface is coated with restrictive coating, the space is filled with the halogen-free flameproof filler between described power core and the bed course, and a metal screen layer is coated on the described second semiconductive silicon rubber screen outer surface.
Further improved technical scheme is as follows in the technique scheme:
1, in the such scheme, described forward and reverse stranded by adopting between adjacent layer in some tinned copper wires or the stranded copper conductor that forms of bare copper wire and the layer, the outermost layer lay is not more than 12 times, and inferior skin is not more than 10 times.
2, in the such scheme, described metal screen layer adopts copper wire braid or copper strips lapping layer.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, the utility model rated voltage 6 is to 15kV silicon rubber insulation converter cable, its power core comprises copper conductor, this copper conductor outer surface is coated with the first semiconductive silicon rubber screen, silicone rubber insulation layer and the first semiconductive silicon rubber screen successively, increase the shielding table area and reduced shielding impedance, screen had both played the externally effect of emission of electromagnetic wave that suppresses, can be used as the passage of short circuit current again, play the protective effect of neutral core, thereby guaranteed the long-term safety stable operation of cable; Simultaneously, also make the silicon rubber insulation converter cable possess performances such as good thermal endurance, cold resistance, ageing-resistant performance, anti-ozone, oil resistance, improved the serviceability of cable, the life-span of having improved cable.
2, the utility model rated voltage 6 is to 15kV silicon rubber insulation converter cable, the space is filled with the halogen-free flameproof filler between its power core and the bed course, overcome because the gap that insulating surface contacts with sheath causes the factor of partial discharge, thereby the insulating barrier of realizing conductively-closed has good contact, with the metallic sheath equipotential, avoid between insulating barrier and sheath, partial discharge taking place, prolonged cable useful life.
Description of drawings
Accompanying drawing 1 is the utility model silicon rubber insulation converter cable structural representation.
In the above accompanying drawing: 1, copper conductor; 2, the first semiconductive silicon rubber screen; 3, silicone rubber insulation layer; 4, the second semiconductive silicon rubber screen; 5, power core; 6, cable core; 7, bed course; 8, restrictive coating; 9, halogen-free flameproof filler; 10, metal screen layer.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of rated voltage 6 is to 15kV silicon rubber insulation converter cable, this silicon rubber insulation converter cable is between frequency converter and motor, comprise three by some tinned copper wires or the stranded copper conductor that forms 1 of bare copper wire, described copper conductor 1 outer surface is coated with the first semiconductive silicon rubber screen 2, one silicone rubber insulation layer 3 is coated on the described first semiconductive silicon rubber screen, 2 outer surfaces, thereby one second semiconductive silicon rubber screen 4 is coated on described silicone rubber insulation layer 3 outer surfaces and forms power core 5, three this power core 5 stranded formation cable cores 6, one bed course 7 is coated on this cable core 6 outer surfaces, these bed course 7 outer surfaces are coated with restrictive coating 8, the space is filled with halogen-free flameproof filler 9, one metal screen layers 10 and is coated on the described second semiconductive silicon rubber screen, 4 outer surfaces between described power core 5 and the bed course 7.
Above-mentioned forward and reverse stranded by adopting between adjacent layer in some tinned copper wires or the stranded copper conductor that forms 1 of bare copper wire and the layer, the outermost layer lay is not more than 12 times, and inferior skin is not more than 10 times.
Above-mentioned metal screen layer 10 adopts copper wire braid or copper strips lapping layer.
Above silicon rubber insulation converter cable is further described below.
1, semiconductive silicon rubber extrudes
For satisfying 6 to the requirement of 15kV electric pressure, select for use the high conduction performance silastic material as shielding material, adopt steam continuous vulcanization extruder, semiconductive silicon rubber+high electrical performance silicon rubber insulation material+semiconductive silicon rubber is three-layer co-extruded to be extruded simultaneously, improve the core Electric Field Distribution, reduce the partial discharge factor, press the useful life of silicon rubber converter cable in the prolongation, guarantee the long-term safety stable operation of cable.
2, rated voltage 6 is to 15kV silicon rubber insulation converter cable structure Design
2.1 conductor: material: tinned copper wire or bare copper wire;
Structure: because the influence of " kelvin effect ", it is long-pending suitably to increase conductive surface during the design converter cable, to reduce impedance.2 class bodies are single wants many, and adopts 5 class flexible conductors under possible situation as far as possible, to increase surface area, reduces reactance.
2.2 insulation: insulating material: high electrical performance silicon rubber insulation material;
Performance requirement:
3, stranding
3.1 cable core is stranded
The structural design of this operation has important effect to the bending property of cable, generally requires the stranding lay ratio to be not more than 12 times, to guarantee whole cable bending property and internal stress even action;
3.2 fill
Adopt the high temperature resistant non-absorbent material of semiconductive to fill in the middle of three power cores;
3.3 sheath
Material: adopt the silicone rubber jacket material;
Performance requirement:
Temperature resistant grade must be between-60 ℃～150 ℃, can bear high temperature, low temperature or environment so more under the exacting terms, and cable can normal and stable operation.
When adopting above-mentioned rated voltage 6 to 15kV silicon rubber insulation converter cable, its power core comprises copper conductor, this copper conductor outer surface is coated with the first semiconductive silicon rubber screen, silicone rubber insulation layer and the first semiconductive silicon rubber screen successively, increase the shielding table area and reduced shielding impedance, screen had both played the externally effect of emission of electromagnetic wave that suppresses, can be used as the passage of short circuit current again, play the protective effect of neutral core, thereby guaranteed the long-term safety stable operation of cable; Simultaneously, also make the silicon rubber insulation converter cable possess performances such as good thermal endurance, cold resistance, ageing-resistant performance, anti-ozone, oil resistance, improved the serviceability of cable, the life-span of having improved cable; Secondly, the space is filled with the halogen-free flameproof filler between its power core and the bed course, overcome because the gap that insulating surface contacts with sheath causes the factor of partial discharge, thereby the insulating barrier of realizing conductively-closed has good contact, with the metallic sheath equipotential, avoid between insulating barrier and sheath, partial discharge taking place, prolonged cable useful life.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection range of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (3)
1. a rated voltage 6 is to 15kV silicon rubber insulation converter cable, this silicon rubber insulation converter cable is between frequency converter and motor, it is characterized in that: comprise three by some tinned copper wires or the stranded copper conductor that forms of bare copper wire (1), described copper conductor (1) outer surface is coated with the first semiconductive silicon rubber screen (2), one silicone rubber insulation layer (3) is coated on described first semiconductive silicon rubber screen (2) outer surface, one second semiconductive silicon rubber screen (4) is coated on described silicone rubber insulation layer (3) thereby outer surface forms power core (5), three these stranded formation cable cores of power core (5) (6), one bed course (7) is coated on this cable core (6) outer surface, this bed course (7) outer surface is coated with restrictive coating (8), the space is filled with halogen-free flameproof filler (9) between described power core (5) and the bed course (7), and a metal screen layer (10) is coated on described second semiconductive silicon rubber screen (4) outer surface.
2. rated voltage 6 according to claim 1 is to 15kV silicon rubber insulation converter cable, it is characterized in that: described forward and reverse stranded by adopting between adjacent layer in some tinned copper wires or the stranded copper conductor that forms of bare copper wire (1) and the layer, the outermost layer lay is not more than 12 times, and inferior skin is not more than 10 times.
3. rated voltage 6 according to claim 1 is characterized in that to 15kV silicon rubber insulation converter cable: described metal screen layer (10) adopts copper wire braid or copper strips lapping layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034540 CN203102987U (en) | 2013-01-23 | 2013-01-23 | Silicone rubber insulation frequency converter cable with rated voltage of 6 to 15kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034540 CN203102987U (en) | 2013-01-23 | 2013-01-23 | Silicone rubber insulation frequency converter cable with rated voltage of 6 to 15kV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203102987U true CN203102987U (en) | 2013-07-31 |
Family
ID=48854374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320034540 Expired - Fee Related CN203102987U (en) | 2013-01-23 | 2013-01-23 | Silicone rubber insulation frequency converter cable with rated voltage of 6 to 15kV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203102987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022685A (en) * | 2017-12-02 | 2018-05-11 | 安徽天康(集团)股份有限公司 | A kind of rated voltage 1kV heatproof Special power cable for frequency converter |
| CN112002470A (en) * | 2020-08-20 | 2020-11-27 | 安徽华海特种电缆集团有限公司 | Silicon rubber insulation shielding medium-voltage mobile cable |
-
2013
- 2013-01-23 CN CN 201320034540 patent/CN203102987U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022685A (en) * | 2017-12-02 | 2018-05-11 | 安徽天康(集团)股份有限公司 | A kind of rated voltage 1kV heatproof Special power cable for frequency converter |
| CN112002470A (en) * | 2020-08-20 | 2020-11-27 | 安徽华海特种电缆集团有限公司 | Silicon rubber insulation shielding medium-voltage mobile cable |
| CN112002470B (en) * | 2020-08-20 | 2021-05-14 | 安徽华海特种电缆集团有限公司 | Wrapping process of silicon rubber insulation shielding medium-voltage mobile cable |
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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: 20130731 Termination date: 20190123 |