CN205542018U - Multi -functional increasing of wound form climbs insulating coated pipe - Google Patents

Multi -functional increasing of wound form climbs insulating coated pipe Download PDF

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Publication number
CN205542018U
CN205542018U CN201520845835.7U CN201520845835U CN205542018U CN 205542018 U CN205542018 U CN 205542018U CN 201520845835 U CN201520845835 U CN 201520845835U CN 205542018 U CN205542018 U CN 205542018U
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CN
China
Prior art keywords
clad
coating
insulating
wound form
climbs
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.)
Expired - Fee Related
Application number
CN201520845835.7U
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Chinese (zh)
Inventor
冯永胜
任灵
陈建鹏
胡荣义
张国荣
郭九州
周飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinchang Power Supply Co Of Gansu Electric Power Corp
Lanzhou Yanyanglitian Power Technology Co ltd
State Grid Gansu Electric Power Co Ltd
Original Assignee
Jinchang Power Supply Co Of Gansu Electric Power Corp
Lanzhou Yanyanglitian Power Technology Co ltd
State Grid Gansu Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinchang Power Supply Co Of Gansu Electric Power Corp, Lanzhou Yanyanglitian Power Technology Co ltd, State Grid Gansu Electric Power Co Ltd filed Critical Jinchang Power Supply Co Of Gansu Electric Power Corp
Priority to CN201520845835.7U priority Critical patent/CN205542018U/en
Application granted granted Critical
Publication of CN205542018U publication Critical patent/CN205542018U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an electricity gasification equipment, especially a multi -functional increasing of wound form climbs insulating coated pipe. Including sinle silk and coating, the coating successive layer twines at the sinle silk. The charged body plays the effect that increases the creep distance after installing this product additional indirectly. Its anti impulse voltage's level has improved more than 10% at least. Transmission line's antifouling sudden strain of a muscle ability has effectively been improved. Multi -functional increasing of wound form climbs insulating coated pipe belongs to the insulating nature material of high -voltage electrical. Be used for the high -tension transmission wire to cause the flashover accident inadequately because of insulation distance. The coating just, anti - two sides all scribbles ethanol antistatic coating, can make the coating surface have certain lubricity, reduce coefficient of friction, suppression and reduction electrostatic charge to produce. Coating length is 160cm -210cm. Accord with exhibition of staff's arm and opereating specification, the outdoor operation of staff of being convenient for.

Description

It is a kind of that wound form is multi-functional climbs insulating wrapped pipe
Technical field
This utility model relates to electrified equipment, and particularly a kind of wound form is multi-functional climbs insulating wrapped pipe.
Background technology
Overhead transmission line is chronically under strong electromagnetic environment, subjects bigger electrically and mechanically load, is easily subject to The impact of the factors such as wind, rain, mist, icing, thunder and lightning, industrial waste gas, dust and external force destruction makes Electric Power Equipment Insulation configuration relative Generally reducing, the various flashover faults of initiation threaten the safe and stable operation of transmission line of electricity.
High voltage electricity transmission conductive wire is when load carrying, when A B C three phase mains distance between centers of tracks is spaced in about 13cm, alternate The probability that the air gap punctures reaches about 50%;During less than 13cm value, it is easy to cause various unidentified flashover accident.
Particularly in high altitude localities, due to the reduction of rarefaction of air, air pressure or atmospheric density, cause external insulation strong The reduction of degree.In the range of height above sea level to 5000m, often raising 1000m, i.e. average gas pressure and often reduce by 7.7 ~ 10.5kPa, external insulation is strong Degree reduction by 8% ~ 13%;Its breakdown voltage also declines.
Utility model content
This utility model a kind of range of offer wound form wide, good insulation preformance is multi-functional climbs insulating wrapped pipe.
This utility model solves the technical scheme that its technical problem used:
A kind of wound form is multi-functional climbs insulating wrapped pipe, and including core and clad, clad is successively wrapped in core On.
The positive and negative two sides of described clad all scribbles ethanol anti-static coating.
The a length of 160cm-210cm of described clad.
Described clad is wound around 5-40 layer.
Thickness 50um, 100um or 150um of described clad.
The material of described clad is polyethylene terephtalate.
The beneficial effects of the utility model are:
1, a kind of wound form is multi-functional climbs insulating wrapped pipe, and including core and clad, clad is successively wound around online Core.After electrical body installs this product additional, indirectly play and increase the effect of creep distance.The level of its shock resistance voltage at least improves 10% Above.It is effectively increased the antifouling work ability of transmission line of electricity.Wound form is multi-functional climbs insulating wrapped pipe and belongs to high-tension electricity and draw last breath Edge material.Flashover fault is caused not because of insulation distance for high voltage electricity transmission conductive wire.
2, the positive and negative two sides of clad all scribbles ethanol anti-static coating, and cover surface can be made to have certain lubrication Property, reduce coefficient of friction, suppress and reduces electrostatic charge generation.The a length of 160cm-210cm of clad.Meet staff's arm exhibition And opereating specification, it is simple to staff's outdoor operations.
3, it is wound around the clad of the different number of plies according to different electric pressures, is wound around number of plies 5-40 layer, long-term according to applicant Outdoor operations experience and great many of experiments draw: 6(10) KV electric pressure is wound around 5-10 layer, 35(66) KV electric pressure winding 10- 15 layers, 110KV electric pressure winding 10-20 layer, 220(330) KV electric pressure winding 30-40 layer.
4, thickness 50um, 100um or 150um of clad.At thickness in monolayer 50um, withstanding voltage 10 KV;During tolerance Between 10S;In thickness in monolayer 100um, withstanding voltage 20KV;Tolerance time 10S;In thickness in monolayer 150um, withstanding voltage 25KV; Tolerance time 10S.The thickness of clad can be selected according to different tolerance electric pressure, accomplish material Appropriate application.
The multi-functional type insulating wrapping strip of climbing of this utility model wound form is multilamellar open coiled assembling structure insulator in sum, It is arranged on circuit suspension clamp position swathing mode, wire is completely insulated with suspension clamp and insulator, be equivalent to line The wire at insulator position, road has done minor insulationization and has processed, and the insulator chain voltage's distribiuting making insulating tape connect is more uniform; The transmission pressure position electric-field intensity distribution being wound with multifunction insulating band reduces more than 10%.Thus reach to increase creepage away from From, promote insulating properties, the purpose of effective anti-flashover.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is the cross sectional representation of Fig. 1;
Fig. 3 is use view of the present utility model;
Fig. 4 is actually used schematic diagram of the present utility model.
Detailed description of the invention
A kind of wound form as illustrated in fig. 1 and 2 is multi-functional climbs insulating wrapped pipe, including core 1 and clad 2, cladding Layer 2 is successively wrapped in core 1.The positive and negative two sides of described clad 2 all scribbles ethanol anti-static coating.Described clad 2 length For 160cm-210cm.Described clad 2 is wound around 5-40 layer.Thickness 50um, 100um or 150um of described clad 2.Described The material of clad 2 is polyethylene terephtalate.
The multi-functional processing method climbing insulating wrapped pipe of a kind of wound form, it is characterised in that comprise the steps:
A, selection base material thickness 150um electrician mylar PET, numbering 6023D of PET insulating polymeric material, its material Material specific insulation ρ v ≮ 1.0 × 1012Ω.m;Dielectric strength E >=20kV/mm;Accelerated aging test, is not less than TMA2.5 level, base material cutting slabbing clad 2;
B, the lamellar clad 2 that will cut, the positive and negative two sides of clad 2 all scribbles ethanol anti-static coating, with water or It is 0.5 %~the solution of 2.0 % that ethanol etc. are deployed into mass fraction, then by coating, spraying or impregnating method It is allowed to be attached to the positive and negative two sides of clad 2, then dries up formation antistatic coating through air at room temperature or 60-80 DEG C of hot-air;
C, will by the clad 2 of Electrostatic Treatment carry out constant temp. heating sizing the qualitative process of platform, constant temp. heating sizing platform table Surface temperature is 150 DEG C, the temperature difference ± 1 DEG C.Constant voltage, at the uniform velocity core make;
D, clad 2, after constant temp. heating is shaped, move to the calorstat cooling of low temperature 2-8 DEG C, and the cooling and shaping time is 2 Hour;
E, rejecting burrs on edges, cleaning surface soft flocks and dust.
Different model circuit concrete operation method is as follows:
330kV circuit uses polyester material cage walls for the insulating treatment method of climbing of transmission pressure:
1, on 330kV circuit ultra-high-tension power transmission line during construction, first core 1 is hung with Lever Blocks and flexible cable suspender belt Being fixed on tower bar cross-arm 5, tower bar cross-arm 5 is connected with earth lead 3, opens suspension clamp 4;
2, mark in clad 2 center, it is simple to workman's identification during construction, after preventing from installing, be asymmetric with insulator 6;
3, along core 1 direction of 330kV circuit, at core 1 diameter 40, insulator 6 center 20 of crouching, by insulating polyester Material clad 2 encloses around 30-40 around core 1, as shown in Figure 2 around core 1 wound clockwise.By insulating polyester material clad 2 are close to core 1 surface parcel uniformly, as the third dielectric between electrical body and the air gap, effectively change The electric-field intensity distribution of variable speed electricity surface, increases electric clearance safe distance;
4, unclamp suspender after putting in back suspension clamp 4 can install.Carry out power frequency and do withstanding voltage 190kV(330kV Circuit runs phase voltage), tolerate 10s;Again test voltage is improved to 210kV(330kV circuit the highest operation phase voltage), tolerance 10s passes through.
220kV circuit uses polyester material cage walls for the insulating treatment method of climbing of transmission pressure:
1, on 220kV circuit ultra-high-tension power transmission line during construction, first core 1 is hung with Lever Blocks and flexible cable suspender belt Being fixed on tower bar cross-arm 5, tower bar cross-arm 5 is connected with earth lead 3, opens suspension clamp 4;
2, mark in clad 2 center, it is simple to workman's identification during construction, after preventing from installing, be asymmetric with insulator 6;
3, along core 1 direction of 220kV circuit, at core 1 diameter 30, insulator 6 center 15 of crouching, by insulating polyester Material clad 2 encloses around 20-30 around core 1, as shown in Figure 2 around core 1 wound clockwise.By insulating polyester material clad 2 are close to core 1 surface parcel uniformly, as the third dielectric between electrical body and the air gap, effectively change The electric-field intensity distribution of variable speed electricity surface, increases electric clearance safe distance;
4, unclamp suspender after putting in back suspension clamp 4 can install.Carry out power frequency and do withstanding voltage 127kV(220kV Circuit runs phase voltage), tolerate 10s;Again test voltage is improved to 146kV(220kV circuit the highest operation phase voltage), tolerance 10s passes through.
110kV circuit uses polyester material cage walls for the insulating treatment method of climbing of transmission pressure:
1, on 110kV circuit ultra-high-tension power transmission line during construction, first core 1 is hung with Lever Blocks and flexible cable suspender belt Being fixed on tower bar cross-arm 5, tower bar cross-arm 5 is connected with earth lead 3, opens suspension clamp 4;
2, mark in clad 2 center, it is simple to workman's identification during construction, after preventing from installing, be asymmetric with insulator 6;
3, along core 1 direction of 110kV circuit, at core 1 diameter 24, insulator 6 center 10 of crouching, by insulating polyester Material clad 2 encloses around 15-20 around core 1, as shown in Figure 2 around core 1 wound clockwise.By insulating polyester material clad 2 are close to core 1 surface parcel uniformly, as the third dielectric between electrical body and the air gap, effectively change The electric-field intensity distribution of variable speed electricity surface, increases electric clearance safe distance;
4, unclamp suspender after putting in back suspension clamp 4 can install.Carry out power frequency and do withstanding voltage 63kV(110kV Circuit runs phase voltage), tolerate 10s;Again test voltage is improved to 86kV(110kV circuit the highest operation phase voltage), tolerance 10s passes through.
35kV circuit uses polyester material cage walls for the insulating treatment method of climbing of transmission pressure:
1, on 35kV circuit ultra-high-tension power transmission line during construction, first core 1 is hung with Lever Blocks and flexible cable suspender belt Being fixed on tower bar cross-arm 5, tower bar cross-arm 5 is connected with earth lead 3, opens suspension clamp 4;
2, mark in clad 2 center, it is simple to workman's identification during construction, after preventing from installing, be asymmetric with insulator 6;
3, along core 1 direction of 110kV circuit, at core 1 diameter 12, insulator 6 center 8 of crouching, by insulating polyester Material clad 2 encloses around 5-10 around core 1, as shown in Figure 2 around core 1 wound clockwise.By insulating polyester material clad 2 It is close to core 1 surface parcel uniformly, as the third dielectric between electrical body and the air gap, effectively changes The electric-field intensity distribution on electrical body surface, increases electric clearance safe distance;
4, unclamp suspender after putting in back suspension clamp 4 can install.Carry out power frequency and do withstanding voltage 20kV(35kV line Phase voltage is run on road), tolerate 10s;Again test voltage is improved to 27kV(35kV circuit the highest operation phase voltage), tolerate 10s Pass through.
110kV circuit is most widely used, tests with 110kV circuit.
1, standard lightning impulse dry flashover voltage test
Test 110kV circuit, table 1 does withstanding voltage test for 110KV covered wire positive polarity standard lightning impulse
2, power frequency dry flashover voltage voltage test
Test 110kV circuit, table 2 does withstanding voltage test for carrying out power frequency by table 1 operating mode
This utility model insulating polyester material clad is wound in the mode of core outer layer by wire and suspension clamp and exhausted Edge is completely insulated, i.e. adds the third dielectric-cladding in addition to insulator with air between wire and shaft tower Layer, is equivalent to that the wire at line insulator position has done minor insulationization and processes, thus improve the circuit at insulator position Dielectric level, makes insulator fringing field intensity significantly decline, thus reaches the purpose of anti-flashover.The result table of Tables 1 and 2 Bright: to install insulating polyester material clad additional and the lightning impulse voltage of insulator chain is improved 10%.Reach to increase lightning arrestor movement Count and reduce lightning stroke trip accident number of times, prevent the flashover trip accident that windage yaw causes.
Insulating polyester material clad climbs insulating treatment method by the bare conductor at scissors crossing for transmission pressure Do local insulating to process, can effectively solve easily to cause short circuit and the security hidden trouble of high-voltage invasion because spacing is not enough. Insulating polyester material clad or is built near tree crown for the insulating treatment method process ultra-high-tension power transmission line of climbing of transmission pressure The bare conductor building the positions such as thing does local insulating process, can effectively prevent these Frequent Accidents positions because of by foreign body short circuit The short circuit accident caused occurs.
In addition installing simple and fast, only need to snap on wire by open side, upset is wound around just can make product compact winding On wire.Need not change any line construction, it is not necessary to heating and glue envelope i.e. can ensure that construction quality.For transmission pressure Climbing its protection external force execution of insulating treatment method obvious, install simple and fast, insulating properties are good.Effectively change because of tree Wood, building, abnormal object proximity transmission pressure and security incident that insulation distance causes not occurs.High voltage electricity transmission conductive wire institute The electric field intensity born is weakened, and can individually bear whole phase voltages of line-to-ground, and voltage's distribiuting more they tends to uniformly, effectively change The voltage's distribiuting that kind insulator bears.

Claims (4)

1. a wound form is multi-functional climbs insulating wrapped pipe, it is characterised in that include core (1) and clad (2), clad (2) being successively wrapped on core (1), clad (2) is wound around 5-40 layer;
The positive and negative two sides of described clad (2) all scribbles ethanol anti-static coating.
The most according to claim 1, a kind of wound form is multi-functional climbs insulating wrapped pipe, it is characterised in that described clad (2) A length of 160cm-210cm.
The most according to claim 1, a kind of wound form is multi-functional climbs insulating wrapped pipe, it is characterised in that described clad (2) Thickness 50um, 100um or 150um.
The most according to claim 1, a kind of wound form is multi-functional climbs insulating wrapped pipe, it is characterised in that described clad (2) Material be polyethylene terephtalate.
CN201520845835.7U 2015-10-28 2015-10-28 Multi -functional increasing of wound form climbs insulating coated pipe Expired - Fee Related CN205542018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520845835.7U CN205542018U (en) 2015-10-28 2015-10-28 Multi -functional increasing of wound form climbs insulating coated pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520845835.7U CN205542018U (en) 2015-10-28 2015-10-28 Multi -functional increasing of wound form climbs insulating coated pipe

Publications (1)

Publication Number Publication Date
CN205542018U true CN205542018U (en) 2016-08-31

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329423A (en) * 2016-09-21 2017-01-11 太仓市晨洲塑业有限公司 Antistatic electric conduit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329423A (en) * 2016-09-21 2017-01-11 太仓市晨洲塑业有限公司 Antistatic electric conduit

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160831