CN206726837U - Flame-retardant medium-pressure power cable for frequency converter - Google Patents
Flame-retardant medium-pressure power cable for frequency converter Download PDFInfo
- Publication number
- CN206726837U CN206726837U CN201720631756.5U CN201720631756U CN206726837U CN 206726837 U CN206726837 U CN 206726837U CN 201720631756 U CN201720631756 U CN 201720631756U CN 206726837 U CN206726837 U CN 206726837U
- Authority
- CN
- China
- Prior art keywords
- flame
- frequency converter
- insulated wire
- wire cores
- retardant
- Prior art date
- 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.)
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 35
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 239000000779 smoke Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims abstract description 6
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 6
- 150000002367 halogens Chemical class 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 239000003365 glass fiber Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 2
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
There is provided a kind of flame-retardant medium-pressure power cable for frequency converter, including three insulated wire cores, every insulated wire cores include conductor and agent is wrapped in conductor shield, insulating barrier, insulation screen and split-phase metal screen layer on conductor successively by interior outward；It is provided with filler in gap between three insulated wire cores, the total screen layer of flame retardant coating, metal, belting layer, restrictive coating is coated with successively outward by interior outside three insulated wire cores.The utility model can protect cable under the flame of 950 DEG C of high temperature 750 DEG C; 90min interior energy normal operations; the normal work of frequency converter and motor can be ensured; it can make cable that there is low-smoke non-halogen flame-retardant performance, there is excellent shielding, proof voltage impact property, reduce noise of motor, improve motor torque efficiency.
Description
Technical field
A kind of the utility model category power cable technical field, and in particular to flame-retardant medium voltage electricity for frequency converter
Cable.
Background technology
With the development of electric power, electronic technology and computer technology, alternating current generator converter technique is increasingly improved and rapidly sent out
Exhibition, Small And Medium Capacity low-voltage variable frequency (1kV and following) have been widely used.Due to the occasion of middle high-pressure Large Copacity alternating current generator demand
More and more, this requires frequency conversion voltage class further to improve, at present 10kV and following Medium-voltage motor in industrial circle
It is more and more using frequency control, and transmit kV middle-voltage transducer cable as the power between the frequency converter and motor of function served as bridge
Market it is also more and more.At present, in the market also has frequency conversion medium-pressure power cable, but does not possess fire resistance, in fire
In the case of, the insulation of cable and sheath burning can become ashes at once, and flame spreads, and short circuit can occur for cable, causes to supply
Electric system is unable to normal power supply.In addition, fire once occurs, common cable can discharge dense black smoke and hydrogen chloride (HCI)
Gas, cause trapped personnel to can't see evacuation path suction toxic gases and suffocate, form secondary disaster, it is impossible to which burning is controlled
System spreads in limited scope, increases the corrosion to instrument and equipment and building and the injury to people, bring bigger
Loss.It is therefore desirable to propose to improve.
Utility model content
The technical problem that the utility model solves：A kind of flame-retardant medium-pressure power cable for frequency converter is provided, this
Utility model can protect cable 90min interior energy normal operations, can ensure frequency conversion under the flame of 750 DEG C -950 DEG C of high temperature
It the normal work of device and motor, can make cable that there is low-smoke non-halogen flame-retardant performance, there is excellent shielding, proof voltage impact
Noise of motor, can be reduced, improve motor torque efficiency.
The technical solution adopted in the utility model：For the flame-retardant medium-pressure power cable of frequency converter, including three eradications
Edge core, insulated wire cores described in every include conductor and agent is wrapped in conductor shield on conductor, absolutely successively by interior outward
Edge layer, insulation screen and split-phase metal screen layer；It is provided with filler in gap between three insulated wire cores, described three
Outside root insulated wire cores the total screen layer of flame retardant coating, metal, belting layer, restrictive coating are coated with successively outward by interior.
Wherein, the conductor uses the copper conductor that the layered impacted process of copper cash by annealing is twisted into, the conductor
Screen layer is made of semiconductive inner shield material, and the insulating barrier is made of processes for chemically crosslinked polyethylene material, the insulation screen
Layer is covered to be made of semiconductive external shield material.
The split-phase metal screen layer dredges that copper strips is overlapping wrapped to be formed in every insulated wire cores around adding using copper wire.
The filler is filled using alkali-free glass fiber yarn.
The flame retardant coating is to add Ceramic silicon rubber composite band wrapped outside three twisted insulated wire cores using glass fibre belt
Formed.
The total screen layer of metal is dredged around adding copper strips overlapping wrapped outside flame retardant coating using copper wire.
The belting layer be using glass fibre belt it is overlapping wrapped outside the total screen layer of metal, the restrictive coating be using low cigarette without
Halogen flame retardant polyolefin jacket material is extruded in outside belting layer.
The utility model compared with prior art the advantages of：
1st, this programme outside the insulated wire cores of each phase line by copper wire dredge around add copper strips it is overlapping it is wrapped formation split-phase metal
Screen layer, cable core bed course is outer to be dredged around the total shielding construction of metal for adding the wrapped formation of copper strips also by copper wire, can ensure frequency converter
With the normal work of motor, noise of motor is reduced, improves motor torque efficiency, shielding proof voltage impact newly can excellent, Neng Gouman
The service requirement of sufficient Cable for frequency changer；
2nd, this programme wrapped flame retardant coating outside three insulated wire cores, flame retardant coating increase new material, in insulating materials not
In the case of change, using the Ceramic silicon rubber composite band of high fire resisting thermal insulation, with reference to the total screen layer of metal, comprehensive layering prevents fire
Flame and temperature, protection cable is under the flame of 750 DEG C -950 DEG C of high temperature, 90min interior energy normal operations；
3rd, due to being filled in three insulated wire cores gaps using glass fibre yarn in this programme, and in the total screen layer of metal
The belting layer of glass carrying material and the restrictive coating of low smoke halogen-free flame-retardant polyolefin are surrounded with, makes cable that there is low-smoke non-halogen flame-retardant
Energy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
1 embodiment of the present utility model is described below in conjunction with the accompanying drawings.
For the flame-retardant medium-pressure power cable of frequency converter, including three insulated wire cores, insulated wire cores and common middle pressure
Power cable is consistent, as shown in figure 1, the insulated wire cores described in every include conductor 1 and by it is interior extrude successively outward in
Conductor shield 2, insulating barrier 3 and insulation screen 4 on conductor 1, the conductor 1 are layered tight using the copper cash by annealing
The copper conductor that pressure technique is twisted into, the conductor shield 2 are made of semiconductive inner shield material, the useization of insulating barrier 3
Learn cross-linking polyethylene materials to be made, the insulation screen 4 is made of semiconductive external shield material, each phase line insulated wire
Carry out copper wire outside core to dredge around the wrapped composition split-phase metal screen layer 5 of copper strips is added, the core after three-phase metallic shield carries out stranding.
Gap between three insulated wire cores is filled by filler 6, and the filler 6 uses alkali-free glass fiber yarn material.It is described
Outside three insulated wire cores the total screen layer 8 of flame retardant coating 7, metal, belting layer 9, restrictive coating 10 are coated with successively outward by interior；Its
In, the flame retardant coating 7 be by outside three twisted insulated wire cores first after glass fibre belt of double-baging further around bag multi-layer ceramics
Silicon rubber composite band and form, increase new material in flame retardant coating 7, in the case where insulating materials is constant, using high resistance to fire screen
The Ceramic silicon rubber composite band of temperature, with reference to the total screen layer of metal, comprehensive layering prevents flame and temperature, and protection cable is in high temperature
Under 750 DEG C -950 DEG C of flame, 90min interior energy normal operations；The total screen layer 8 of metal is that copper is first carried out outside flame retardant coating 7
Silk is dredged to be formed after further around one layer of copper strips of bag, and the belting layer 9 is overlapping wrapped in the total screen layer 8 of metal using glass fibre belt
Outside, the restrictive coating 10 is to be extruded in using low-smoke and halogen-free flame retardant polyolefin jacket material outside belting layer 9, ultimately forms frequency converter use
Flame-retardant medium-pressure power cable.
The utility model in three insulated wire cores gaps using glass fibre yarn due to being filled, and in the total screen layer of metal
The belting layer 9 of glass carrying material and the restrictive coating 10 of low smoke halogen-free flame-retardant polyolefin are surrounded with outside 8, makes cable that there is low smoke and zero halogen
Fire resistance.
The insulated wire cores of each phase line of the utility model are outer to be dredged around adding the overlapping wrapped formation split-phase metal of copper strips by copper wire
Screen layer, cable core bed course is outer to be dredged around the total shielding construction of metal for adding the wrapped formation of copper strips also by copper wire, can ensure frequency converter
With the normal work of motor, noise of motor is reduced, improves motor torque efficiency, shielding proof voltage impact newly can excellent, Neng Gouman
The service requirement of sufficient Cable for frequency changer.
Above-described embodiment, simply preferred embodiment of the present utility model, not it is used for limiting the utility model practical range,
Therefore all equivalence changes done with content described in the utility model claims, the utility model claims model all should be included in
Within enclosing.
Claims (7)
1. for the flame-retardant medium-pressure power cable of frequency converter, including three insulated wire cores, it is characterised in that：Every described exhausted
Edge core include conductor (1) and by it is interior extrude successively outward in the conductor shield (2) on conductor (1), insulating barrier (3), absolutely
Edge screen layer (4) and split-phase metal screen layer (5)；Filler (6) is provided with gap between three insulated wire cores, it is described
Outside three insulated wire cores flame retardant coating (7), the total screen layer of metal (8), belting layer (9), restrictive coating are coated with successively outward by interior
(10)。
2. the flame-retardant medium-pressure power cable according to claim 1 for frequency converter, it is characterised in that：The conductor
(1) copper conductor being twisted into using the layered impacted process of copper cash by annealing, the conductor shield (2) use semiconductive
Inner shield material is made, and the insulating barrier (3) is made of processes for chemically crosslinked polyethylene material, and the insulation screen (4) is using half
Conductive external shield material is made.
3. the flame-retardant medium-pressure power cable according to claim 1 for frequency converter, it is characterised in that：The split-phase
Metal screen layer (5) dredges that copper strips is overlapping wrapped to be formed in every insulated wire cores around adding using copper wire.
4. the flame-retardant medium-pressure power cable according to claim 1 for frequency converter, it is characterised in that：The filling
Thing (6) uses alkali-free glass fiber yarn material.
5. the flame-retardant medium-pressure power cable according to claim 1 for frequency converter, it is characterised in that：The fire resisting
Layer (7) is to add Ceramic silicon rubber composite band wrapped outside three twisted insulated wire cores using glass fibre belt to be formed.
6. the flame-retardant medium-pressure power cable according to claim 1 for frequency converter, it is characterised in that：The metal
Total screen layer (8) be using copper wire dredge around add copper strips it is overlapping it is wrapped in flame retardant coating (7) outside.
7. the flame-retardant medium-pressure power cable according to claim 1 for frequency converter, it is characterised in that：The band
Layer (9) be using glass fibre belt it is overlapping it is wrapped in the total screen layer of metal (8) outside, the restrictive coating (10) is to use low-smoke non-halogen flame-retardant
Polyolefin jacket material is extruded in belting layer (9) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720631756.5U CN206726837U (en) | 2017-06-02 | 2017-06-02 | Flame-retardant medium-pressure power cable for frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720631756.5U CN206726837U (en) | 2017-06-02 | 2017-06-02 | Flame-retardant medium-pressure power cable for frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206726837U true CN206726837U (en) | 2017-12-08 |
Family
ID=60511660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720631756.5U Active CN206726837U (en) | 2017-06-02 | 2017-06-02 | Flame-retardant medium-pressure power cable for frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206726837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071491A (en) * | 2020-09-28 | 2020-12-11 | 特变电工(德阳)电缆股份有限公司 | Medium-voltage fireproof cable and preparation method thereof |
-
2017
- 2017-06-02 CN CN201720631756.5U patent/CN206726837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071491A (en) * | 2020-09-28 | 2020-12-11 | 特变电工(德阳)电缆股份有限公司 | Medium-voltage fireproof cable and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |