CN204332485U - A kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function - Google Patents
A kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function Download PDFInfo
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- CN204332485U CN204332485U CN201420740502.3U CN201420740502U CN204332485U CN 204332485 U CN204332485 U CN 204332485U CN 201420740502 U CN201420740502 U CN 201420740502U CN 204332485 U CN204332485 U CN 204332485U
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- cable
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- checking function
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 21
- 239000010949 copper Substances 0.000 title claims abstract description 21
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 16
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 241000209140 Triticum Species 0.000 claims description 8
- 235000021307 Triticum Nutrition 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004079 fireproofing Methods 0.000 description 3
- 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 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses a kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function, comprise three master cores and three zero line cores, master core and zero line core are all be that core is distributed in distance and is twisted into cable core with conductor, the outer surface of cable core is coated with belting layer successively, separator, steel-tape armouring layer, sheath crack resistence layer and restrictive coating, gap between cable core and belting layer is provided with filler, axially one or more is provided with for measuring tempeature along cable between cable core and belting layer, the microsensor of humidity and location, controller and the alarm of microsensor and cable termination are connected.Each master core is coated with conductor shield, insulating barrier, insulation screen and metal screen layer successively on the outer surface of conductor, and insulating barrier outside is provided with cold light film, and cold light film is bonded on the insulating layer by damping glue.Its shield effectiveness is good, reactance voltage impact capacity strong, have environmental-protecting performance has self-checking function simultaneously.
Description
Technical field
The utility model relates to construction of cable technical field, relates to a kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function specifically.
Background technology
Cable is the major way of dispensing electrical transmission, and along with the development of national economy, cabling requirements amount increases year by year.At the bottom of ground, ocean, be provided with cable everywhere in the air, it brings huge help to our life and work electricity consumption.High voltage frequency conversion cable is wherein mainly used in the industries such as oil, metallurgy, generating, railway, mine, is the service cable connecting high-pressure frequency-conversion motor and high-voltage variable frequency power source.In prior art, the common high voltage power cable of general employing replaces high voltage frequency conversion cable.Therefore its typical construction of cable of high voltage frequency conversion cable in the market comprises three-phase phase-splitting cable, packed layer, band and sheath, is wrapped in conductor shield, insulating barrier, insulation screen and phase-splitting screen outside the conductor of each phase-splitting cable successively.In using, the following defect is exposed: cable easily punctures; The electromagnetic wave of cable externally disturbs greatly, affects the normal work of adjacent cable, causes electromagnetic wave environment to pollute; Cable is through can't stand the pulse voltage of the high-frequency and high-voltage that variable frequency power supply produces, and cable is in use fragile.
High fire retarding high-pressure frequency change cable disclosed in Chinese patent CN2904217, its structure is: comprise phase-splitting cable, be coated on packed layer on phase-splitting cable outer surface, belting layer, high flame retardant oxygen barrier layer, total screen and oversheath successively, wherein the structure of phase-splitting cable is: conductor skin is coated with conductor shield, insulating barrier, insulation screen and phase-splitting screen successively, this structure is not suitable for frequency converter and uses, proof voltage impact property is lower, and adopting the shielding of thin copper wire weaving manner, shield effectiveness is poor.Because high flame retardant oxygen barrier layer material is ethene-vinyl acetate polymer, do not possess environmental protection characteristic.
And once fracture appears in cable inner leads of these erections, although there is now the fracture position of a series of inspect by instrument cable on the market, maintainer can take the much time and just can where measure breakpoint when maintenance.Still there is repair time long, the problem such as power interruption recovering is slow, maintenance workload is large.
Therefore, inventor of the present utility model needs a kind of new technology of design badly to improve its problem.
Utility model content
The utility model aims to provide that a kind of shield effectiveness is good, reactance voltage impact capacity is strong, have the cross-linked polyethylene insulated copper strip shielding frequency-changing cable that environmental-protecting performance has self-checking function simultaneously.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function, comprise three master cores and three zero line cores, master core and zero line core are all take conductor as core, three master cores and three zero line cores are distributed in distance and are twisted into cable core, the outer surface of cable core is coated with belting layer successively, separator, steel-tape armouring layer, sheath crack resistence layer and restrictive coating, gap between described cable core and belting layer is provided with filler, one or more is provided with for measuring tempeature along the axial T at a certain distance of cable between described cable core and belting layer, the microsensor of humidity and location, controller and the alarm of described microsensor and cable termination are connected.
Preferably, master core described in each is coated with conductor shield, insulating barrier, insulation screen and metal screen layer successively on the outer surface of conductor, and wherein said insulating barrier outside is provided with cold light film, and described cold light film is bonded on described insulating barrier by damping glue.
Preferably, described T is 0.5-1.5 km.
Preferably, described T is 1 km.
Preferably, zero line core described in each is coated with circular crosslinked polyetylene insulated layer successively on the outer surface of conductor, interior aluminium foil wheat draws screen, outer aluminium foil wheat draws screen, zero line restrictive coating.
Preferably, described filler and restrictive coating are that low smoke and zero halogen oxygen barrier material is made.
Preferably, the anaerobic soft copper band of described metal screen layer to be thickness be 0.1mm, and be phase-splitting shielding construction.
Adopt technique scheme, the utility model at least comprises following beneficial effect:
The cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function described in the utility model, be spaced stranded by three master cores and three zero line cores, master core and zero line core are all take conductor as core, coating conductor screen successively on conductor outside surfaces, insulating barrier, insulation screen and metal screen layer, the outer surface of cable core is coated with belting layer successively, separator, steel-tape armouring layer, sheath crack resistence layer and restrictive coating, the high voltage frequency conversion cable of this 3+3 structure has stronger reactance voltage impact capacity, can play a good protection to frequency conversion electrical equipment.The anaerobic soft copper band of metal screen layer to be the thickness of phase-splitting shielding construction be 0.1mm, shield effectiveness is good.Filler and restrictive coating are low smoke and zero halogen oxygen barrier material, make cable have environmental-protecting performance, and can effectively improve fireproofing of cable ability.The present embodiment also has self-checking function, can pinpoint the problems according to cable operation conditions and process in time, as once something unexpected happened, system can send information at once and indicate staff to locate maintenance, the optical fiber optical fiber splicer disconnected connects and can continue to use, security performance is high, avoids the generation of the hidden danger such as fire.
Accompanying drawing explanation
Fig. 1 is the structural representation with the cross-linked polyethylene insulated copper strip shielding frequency-changing cable of self-checking function described in the utility model.
Wherein: 1, master core; 1-1, conductor; 1-2, conductor shield; 1-3, insulating barrier; 1-4, insulation screen; 1-5, metal screen layer; 1-6, cold light film; 2, zero line core; 2-1, conductor; 2-2, crosslinked polyetylene insulated layer; 2-3, interior aluminium foil wheat draw screen; 2-4, outer aluminium foil wheat draw screen; 2-5, zero line restrictive coating; 3, belting layer; 4, separator; 5, steel-tape armouring layer; 6, sheath crack resistence layer; 7, restrictive coating; 8, filler; 9, microsensor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, for meeting a kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function of the present utility model, comprise three master cores 1 and three zero line cores 2, master core 1 and zero line core 2 are all take conductor as core, three master cores 1 and three zero line cores 2 are distributed in distance and are twisted into cable core, the outer surface of cable core is coated with belting layer 3 successively, separator 4, steel-tape armouring layer 5, sheath crack resistence layer 6 and restrictive coating 7, gap between described cable core and belting layer 3 is provided with filler 8, one or more is provided with for measuring tempeature along the axial T at a certain distance of cable between described cable core and belting layer 3, the microsensor 9 of humidity and location, controller and the alarm of described microsensor 9 and cable termination are connected.Preferably described microsensor 9 is by optical fiber communication and power supply, can arrange alarm threshold value under the control of the controller, and then provides alarm to give the alarm, and reminds staff's maintenance.Microsensor 9 in the present embodiment can realize measuring ability by one or more transducer, and to ensure that its temperature resolution can reach 0.3 DEG C, spatial positioning accuracy can reach 0.5 meter.
Preferably, master core 1 described in each is coated with conductor shield 1-2, insulating barrier 1-3, insulation screen 1-4 and metal screen layer 1-5 successively on the outer surface of conductor 1-1, wherein said insulating barrier 1-3 outside is provided with cold light film 1-6, and described cold light film 1-6 is bonded on described insulating barrier 1-3 by damping glue.Described cold light film 1-6 is a kind of luminescent device, and it is with electroluminescent principle work.Cold light film 1-6 is distributed in insulating barrier 1-3 surface, and the distance between two cold light film 1-6 needs according to user and determines, and equidistantly can arrange, also can unorderedly be intervally arranged.Such as: be a unit with ten meters, in a unit, one to three cold light film 1-6 are set.Can arrange several at easy fracture place, such as turning more.After conduction connected by cable, in cable, there is electric current to pass through, make cold light film 1-6 luminous.After cable breakage, cable has breakaway poing, and the later cable of breakaway poing does not have electric current to pass through, and the later cold light film 1-6 of breakaway poing stops luminous.Therefore breakaway poing in the end one luminous cold light film 1-6 and first stop between luminous cold light film 1-6.The advantages such as the simultaneously use of described damping glue also makes that cable is provided with damping, noise reduction, heat insulation, sealing to a certain extent, anticorrosion, waterproof is nontoxic, strong adhesion, ageing-resistant, preventing stone hitting.Omit damping glue in accompanying drawing, those skilled in the art should know.
Preferably, described T is 0.5-1.5 km.
Preferably, described T is 1 km.
Preferably, zero line core 2 described in each is coated with circular crosslinked polyetylene insulated layer 2-2 successively on the outer surface of conductor 2-1, interior aluminium foil wheat draws screen 2-3, outer aluminium foil wheat draws screen 2-4, zero line restrictive coating 2-5.
Preferably, described filler 8 and restrictive coating are that low smoke and zero halogen oxygen barrier material is made.In the present embodiment, filler 8 is that the low-smoke halogen-free polyolefin material of oxygen index more than 40 is made, and restrictive coating is that the low-smoke halide-free fireproof composite polyolefine material of oxygen index more than 38 is made, and makes cable have good environmental-protecting performance, effectively improves fireproofing of cable ability.
Preferably, the anaerobic soft copper band of described metal screen layer 1-5 to be thickness be 0.1mm, and be phase-splitting shielding construction, shield effectiveness is good.
The present embodiment adopts technique scheme, namely cable core is spaced stranded forming by three master cores 1 and three zero line cores 2, master core 1 and zero line core 2 are all take conductor as core, coating conductor screen 1-2 successively on conductor outside surfaces, insulating barrier 1-3, insulation screen 1-4 and metal screen layer 1-5, the outer surface of cable core is coated with belting layer 3 successively, separator 4, steel-tape armouring layer 5, sheath crack resistence layer 6 and restrictive coating, the high voltage frequency conversion cable of this 3+3 structure has stronger reactance voltage impact capacity, can play a good protection to frequency conversion electrical equipment.The anaerobic soft copper band of metal screen layer 1-5 to be the thickness of phase-splitting shielding construction be 0.1mm, shield effectiveness is good.Filler 8 and restrictive coating 7 are low smoke and zero halogen oxygen barrier material, make cable have environmental-protecting performance, and can effectively improve fireproofing of cable ability.The present embodiment also has self-checking function, can pinpoint the problems according to cable operation conditions and process in time, as once something unexpected happened, system can send information at once and indicate staff to locate maintenance, the optical fiber optical fiber splicer disconnected connects and can continue to use, security performance is high, avoids the generation of the hidden danger such as fire.
Above an embodiment of the present utility model has been described in detail, but described content is only the preferred embodiment that the utility model is created, and can not be considered to for limiting practical range of the present utility model.All any equivalent variations done according to the utility model application range, all should still be within patent covering scope of the present utility model.
Claims (7)
1. one kind has the cross-linked polyethylene insulated copper strip shielding frequency-changing cable of self-checking function, it is characterized in that: comprise three master cores and three zero line cores, master core and zero line core are all take conductor as core, three master cores and three zero line cores are distributed in distance and are twisted into cable core, the outer surface of cable core is coated with belting layer successively, separator, steel-tape armouring layer, sheath crack resistence layer and restrictive coating, gap between described cable core and belting layer is provided with filler, one or more is provided with for measuring tempeature along the axial T at a certain distance of cable between described cable core and belting layer, the microsensor of humidity and location, controller and the alarm of described microsensor and cable termination are connected.
2. there is the cross-linked polyethylene insulated copper strip shielding frequency-changing cable of self-checking function as claimed in claim 1, it is characterized in that: master core described in each is coated with conductor shield, insulating barrier, insulation screen and metal screen layer successively on the outer surface of conductor, wherein said insulating barrier outside is provided with cold light film, and described cold light film is bonded on described insulating barrier by damping glue.
3. there is the cross-linked polyethylene insulated copper strip shielding frequency-changing cable of self-checking function as claimed in claim 2, it is characterized in that: described T is 0.5-1.5 km.
4. there is the cross-linked polyethylene insulated copper strip shielding frequency-changing cable of self-checking function as claimed in claim 3, it is characterized in that: described T is 1 km.
5. the cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function as described in as arbitrary in claim 1-4, is characterized in that: zero line core described in each is coated with circular crosslinked polyetylene insulated layer successively on the outer surface of conductor, interior aluminium foil wheat draws screen, outer aluminium foil wheat draws screen, zero line restrictive coating.
6. there is the cross-linked polyethylene insulated copper strip shielding frequency-changing cable of self-checking function as claimed in claim 1, it is characterized in that: described filler and restrictive coating are that low smoke and zero halogen oxygen barrier material is made.
7. there is the cross-linked polyethylene insulated copper strip shielding frequency-changing cable of self-checking function as claimed in claim 2, it is characterized in that: the anaerobic soft copper band of described metal screen layer to be thickness be 0.1mm, and be phase-splitting shielding construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740502.3U CN204332485U (en) | 2014-12-01 | 2014-12-01 | A kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740502.3U CN204332485U (en) | 2014-12-01 | 2014-12-01 | A kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function |
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| Publication Number | Publication Date |
|---|---|
| CN204332485U true CN204332485U (en) | 2015-05-13 |
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| CN201420740502.3U Expired - Fee Related CN204332485U (en) | 2014-12-01 | 2014-12-01 | A kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328284A (en) * | 2016-11-03 | 2017-01-11 | 无锡市长城电线电缆有限公司 | Self-measured flat buried agricultural cable |
| CN107426841A (en) * | 2017-09-21 | 2017-12-01 | 贵州固达电缆有限公司 | A kind of heating cable that can be monitored in real time |
| CN107644710A (en) * | 2017-09-20 | 2018-01-30 | 武汉卡米珈科技有限公司 | It is a kind of to monitor the power transmission cable and replacing options for fractureing and seeping water |
| CN107887071A (en) * | 2017-11-16 | 2018-04-06 | 中天科技装备电缆有限公司 | Ship and maritime platform are with frequency conversion propulsion system composite rope |
-
2014
- 2014-12-01 CN CN201420740502.3U patent/CN204332485U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328284A (en) * | 2016-11-03 | 2017-01-11 | 无锡市长城电线电缆有限公司 | Self-measured flat buried agricultural cable |
| CN107644710A (en) * | 2017-09-20 | 2018-01-30 | 武汉卡米珈科技有限公司 | It is a kind of to monitor the power transmission cable and replacing options for fractureing and seeping water |
| CN107644710B (en) * | 2017-09-20 | 2019-04-30 | 武汉卡米珈科技有限公司 | It is a kind of to monitor the power transmission cable and replacing options for fractureing and seeping water |
| CN107426841A (en) * | 2017-09-21 | 2017-12-01 | 贵州固达电缆有限公司 | A kind of heating cable that can be monitored in real time |
| CN107887071A (en) * | 2017-11-16 | 2018-04-06 | 中天科技装备电缆有限公司 | Ship and maritime platform are with frequency conversion propulsion system composite rope |
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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: 20150513 |