CN109103047B - A kind of pole of electric power - Google Patents
A kind of pole of electric power Download PDFInfo
- Publication number
- CN109103047B CN109103047B CN201810977716.5A CN201810977716A CN109103047B CN 109103047 B CN109103047 B CN 109103047B CN 201810977716 A CN201810977716 A CN 201810977716A CN 109103047 B CN109103047 B CN 109103047B
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- Prior art keywords
- wire outlet
- outlet seat
- pole
- epoxy package
- epoxy
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The present invention discloses a kind of pole of electric power, including epoxy package, upper wire outlet seat, lower wire outlet seat, fixed inserts, outer bulge loop；The epoxy package connects upper wire outlet seat, lower wire outlet seat, and upper wire outlet seat is located at the top of epoxy package, and lower wire outlet seat is located at epoxy package side；Vacuum interrupter, conductive chamber, insulated pull rod room are provided in epoxy package, insulated pull rod room is located at the lower end of epoxy package, is disposed with conductive chamber, vacuum interrupter on insulated pull rod room；Wire outlet seat is connected at the top of vacuum interrupter；Insulated pull rod room side connects lower wire outlet seat；Fixed inserts is provided on the inside of the epoxy package of insulated pull rod room bottom；Outer bulge loop is provided on the outside of epoxy package outside insulated pull rod room.The present invention has the characteristics that thermal stability is strong, counter-bending stretch capability is strong.
Description
Technical field
The present invention relates to electrical equipment technical fields, and especially one kind is strong with thermal stability, counter-bending stretch capability is strong
Electric power pole.
Background technique
Currently, vacuum circuit breaker receives the approval in market with its stable performance, it is widely used.Sealing pole
Column is by vacuum interrupter and the relevant conductive pieces of breaker while to be embedded into solid insulating material and form pole, makes sealing
Pole becomes the component of an entirety.As the monopole of vacuum circuit breaker, the demand of pole is very huge.Pole
It is poured by upper wire outlet seat, vacuum interrupter, lower wire outlet seat and other accessories by epoxy resin or other thermoplastic materials.Ring
Oxygen resin has superior electric property and mechanical performance, but its heating conduction is excessively poor.Below rated current 2000A
When, product calorific value is limited, be not to cooling requirements it is very high, general sealing structure can meet cooling requirements；Specified
When electric current 2500A or more, product fever is big, has higher requirement to the heat-sinking capability of product, in the market generally only with upper
The heat-sinking capability of wire outlet seat finned raising pole.Since heat-sinking capability is limited, generally requires and increase on matched cabinet body
Add fan, improves heat dissipation effect, but the reliability of product also receives certain influence.
With thermal stability by force with the pole of the strong epoxy package of counter-bending stretch capability, both had stronger
The pole of thermostabilization and outstanding counter-bending stretch capability is at present urgently by the pole of demand.
Summary of the invention
The sealing for the electric power that the purpose of the present invention is to provide a kind of is strong with thermal stability, counter-bending stretch capability is strong
Pole.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of pole of electric power, including epoxy package, upper wire outlet seat, lower wire outlet seat, fixed inserts, evagination
Ring；
The epoxy package connects upper wire outlet seat, lower wire outlet seat, and upper wire outlet seat is located at the top of epoxy package, under
Wire outlet seat is located at epoxy package side；Vacuum interrupter, conductive chamber, insulated pull rod room are provided in epoxy package,
Insulated pull rod room is located at the lower end of epoxy package, is disposed with conductive chamber, vacuum interrupter on insulated pull rod room；Vacuum
Wire outlet seat is connected at the top of arc-chutes；Insulated pull rod room side connects lower wire outlet seat；
It is provided with containing liquid chamber in the epoxy package, is provided with out liquid on the epoxy package on the outside of containing liquid chamber
Mouth, inlet, liquid outlet are located at the top of epoxy package, and inlet is located at the bottom of epoxy package；
The sealing method of the epoxy package, comprising the following steps:
Step 1: urea, methylcellulose, oxalic acid and acetic acid are added in ultrapure water, it is stirred by ultrasonic through 50-90Hz
Afterwards, mixed solution is made；
Step 2: taking dried object for after mixed solution low temperature drying；Then dried object is put into glove box through 80-110
DEG C, 1-2 hours are kept the temperature, then raises temperature to 500-600 DEG C, 2-5 hours is kept the temperature, it is spare to obtain carbon net presoma；
Step 3: the carbon net presoma for taking out half quality is put into beaker, it is 65-68%'s that concentration is added into beaker
Concentrated nitric acid, and beaker is placed in constant water bath box, 50-60 DEG C heat preservation 4-6 hours, obtain carbon net；
Step 4: taking out beaker out of constant water bath box, the carbon net in concentrated nitric acid is cleaned to removal carbon repeatedly with cleaning agent
Online concentrated nitric acid, obtained solution is carbon net solution after cleaning, until the pH value in carbon net solution is shown as neutral；Again will
Treated, and carbon net contained with evaporating dish is put into vacuum oven, and after 100-110 DEG C of vacuum drying, carbon net is sheared to 2-
4mm long obtains shearing carbon fiber；
Step 5: weighing shearing carbon fiber, coupling agent, neopelex, ethyl acetate, residual carbon net presoma
It is added in beaker, after being stirred with glass bar, is put into ultrasonic disperse in supersonic wave cleaning machine；Then weigh epoxy resin, and by its
It pours into beaker, and after being stirred with glass bar, carries out ultrasonic disperse again, obtain mixed solution；
Step 6: the beaker for filling mixed solution in above-mentioned steps five is put into electric-heated thermostatic water bath, through 90-95 DEG C
Boiling volatilizees ethyl acetate complete；Then beaker is put into vacuum oven, to mixed solution vacuum defoamation；
Step 7: taking out beaker, curing agent amine alcohol is added, obtains molding mixture；
Step 8: uniformly smear No. 8 release waxes of Micron Technology on pole mold, then by upper wire outlet seat, lower wire outlet seat,
Fixed inserts is mounted in pole mold, after pole mold clamping, injects the molding mixture；
Step 9: by injection molding mixture pole mold be put into air dry oven, through 80-85 DEG C, 4-5 it is small
When dry heat preservation；The die sinking of pole mold is then taken out, the pole is obtained；
The preparation raw material proportioning of the epoxy package is 300-500 parts by weight of urea, 50-100 parts by weight methyl fibre
Tie up the shearing carbon fiber of element, 10-50 parts by weight oxalic acid, 80-90 parts by weight acetic acid, 1000 parts by weight epoxy resin, 70-80 parts by weight
Dimension, the concentrated nitric acid of 100-300 parts by weight, 10-20 parts by weight coupling agent, 5-15 parts by weight neopelex, 200-300
Weight part of ethylacetate, 50-100 parts by weight curing agent amine alcohol；
The synthetic method of the coupling agent, comprising the following steps:
Step S1, by butane and ether in molar ratio 2:1-8:1 ratio mix, addition account for total weight percent 20-
80% acetone, obtains mixed solution；
Step S2, mixed solution in above-mentioned steps S1 is heated to 50-80 DEG C, butane and phosphorous oxide, butane is then added
With phosphorous oxide molar ratio 1:0.5-1:0.8,2-3h is kept the temperature, mixed solution A is obtained；And mixed solution A is put into vacuum oven
In, acetone is removed, phosphate is obtained；
Step S3, above-mentioned phosphate and titanate esters 1:2-1:5 ratio in mass ratio are mixed, and acetone is added, be heated to
40-60 DEG C, 2-3h is kept the temperature, is subsequently placed into vacuum oven, removed acetone, obtain coupling agent；
The cleaning agent is one of sodium hydrate aqueous solution, deionized water, sodium-chloride water solution；
Fixed inserts is provided on the inside of the epoxy package of insulated pull rod room bottom；Epoxy outside insulated pull rod room
Outer bulge loop is provided on the outside of resin enclosure；
On epoxy package, multiple outer bulge loops are parallel to each other the outer bulge loop equidistantly distributed；
The upper wire outlet seat includes upper wire outlet seat cylinder, upper wire outlet seat positioning protrusion, and upper wire outlet seat cylinder is horizontally disposed, on
It is provided with wire outlet seat positioning protrusion on the right side of wire outlet seat cylinder, cooperates at the top of upper wire outlet seat positioning protrusion and vacuum interrupter, on
Wire outlet seat positioning protrusion is mounted at the top of vacuum interrupter；It is provided with wire outlet seat line outlet groove on the left of upper wire outlet seat cylinder, is above gone out
Line seat line outlet groove and upper outlet cooperate, and upper outlet is mounted in wire outlet seat line outlet groove；
The lower wire outlet seat includes the first cylindrical body, the second cylindrical body, radial perforation, and the first cylindrical body is horizontally disposed, the
The second cylindrical body is provided in one cylindrical sidewall；Radial perforation is provided on first cylindrical body；Setting on the left of first cylindrical body
There is lower wire outlet seat line outlet groove, lower wire outlet seat line outlet groove and lower outlet cooperate, and lower outlet is mounted in lower wire outlet seat line outlet groove.
The present invention provides a kind of poles of electric power, have the spy that thermal stability is strong, counter-bending stretch capability is strong
Point.The present invention wraps up upper wire outlet seat, lower wire outlet seat, fixed inserts by epoxy package；It is set on epoxy package
Set vacuum interrupter, conductive chamber, insulated pull rod room；Fixation is provided on the inside of the epoxy package of insulated pull rod room bottom
Inserts；Outer bulge loop is provided on the outside of epoxy package outside insulated pull rod room；Vacuum interrupter and upper wire outlet seat in the present invention,
Lower wire outlet seat, fixed inserts are fully cured in epoxy package, and vacuum interrupter is directly formed by curing by epoxy resin, is kept away
The application for exempting from fastening bolt, nut avoids bolt, nut from be easy to causeing asking for tip electric field concentration in epoxy package
Topic；Vacuum interrupter is damaged in transport and installation process by mechanical impacts by epoxy resin straight forming, epoxy package
Evil；Epoxy package enters dust, humidity, abnormal air-pressure, small insect in vacuum interrupter, causes the different of the pole
Often；
In epoxy package manufacturing process of the invention, carbon fiber surface is in higher inertia, with epoxy resin
Wellability is very poor, directly affects its interfacial adhesion with epoxy；Carbon fiber is and coupling agent modified compound after concentrated nitric acid is handled
The surface state of method modified carbon fiber can improve the surface state of carbon fiber, increase its surface area, and introduce polarity or anti-
Functional group is answered, so as to improve the interfacial adhesion strength between carbon fiber and epoxy resin-base；
For the present invention first using cellulose as carbon source, urea provides nitrogen, and carbon net is made；Carbon on the net again by ultrasonic disperse with it is molten
The method that liquid is blended prepares carbon fiber tree net epoxy resin, wherein using carbon fiber, carbon net facilitate epoxy resin at charcoal, from
And the pyroconductivity of pyrolytic reaction Heat liberation unit and incendiary material can be reduced, promote epoxy resin at charcoal, to play more
Good flame retardant effect；Carbon fiber tree net is skeleton, the tensile resistance of reinforced epoxy shell；
In addition, generating certain orientation, such carbon fiber tree net orientation effect when carbon fiber tree net mixes in the epoxy
Fruit is conducive to the counter-bending stretch capability of the epoxy package, promotes the counter-bending stretch capability of epoxy package.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is a kind of cross section structure schematic diagram of the pole of electric power of the present invention；
Fig. 2 is a kind of structural schematic diagram of the pole of electric power of the present invention；
Fig. 3 is a kind of upper wire outlet seat structural schematic diagram of the pole of electric power of the present invention；
Fig. 4 is a kind of lower wire outlet seat cross section structure schematic diagram of the pole of electric power of the present invention；
Fig. 5 is a kind of carbon fiber tree scanning electron microscope (SEM) photograph of the pole of electric power of the present invention；
Fig. 6 is a kind of carbon fiber tree scanning electron microscope (SEM) photograph of the pole of electric power of the present invention.
Specific embodiment
The purpose of the present invention can be achieved through the following technical solutions:
A kind of pole of electric power, referring to Fig. 1-4, including epoxy package 1, upper wire outlet seat 2, lower wire outlet seat 3,
Fixed inserts 4, outer bulge loop 5；
The epoxy package 1 connects upper wire outlet seat 2, lower wire outlet seat 3, and upper wire outlet seat 2 is located at the top of epoxy package 1
Portion, lower wire outlet seat 3 are located at 1 side of epoxy package；Be provided in epoxy package 1 vacuum interrupter 11, conductive chamber 12,
Insulated pull rod room 13, insulated pull rod room 13 are located at the lower end of epoxy package 1, are disposed with conduction on insulated pull rod room 13
Room 12, vacuum interrupter 11；Wire outlet seat 2 is connected at the top of vacuum interrupter 11；13 side of insulated pull rod room connects lower outlet
Seat 3；
It is provided with containing liquid chamber 14 in the epoxy package 1, is provided on the epoxy package 1 in 14 outside of containing liquid chamber
Liquid outlet 15, inlet 16, liquid outlet 15 are located at the top of epoxy package 1, and inlet 16 is located at epoxy package 1
Bottom；Liquid outlet 15, inlet 16 are respectively communicated in containing liquid chamber 14；Liquid outlet 15, inlet 16 are connected by pipeline and are condensed
The both ends of machine；It is full of oiliness coolant liquid in pipeline, containing liquid chamber 14, freezing machine, which is reduced by the circulating cooling liquid
Temperature, promote the service life of the pole；
Fixed inserts 4 is provided on the inside of the epoxy package 1 of 13 bottom of insulated pull rod room；Outside insulated pull rod room 13
Epoxy package 1 on the outside of be provided with outer bulge loop 5；
On epoxy package 1, multiple outer bulge loops 5 are parallel to each other 5 equidistantly distributed of outer bulge loop；Insulated pull rod room
The outer bulge loop 5 being arranged on epoxy package 1 outside 13 increases the creepage distance of the pole；
The upper wire outlet seat 2 includes upper wire outlet seat cylinder 21, upper wire outlet seat positioning protrusion 22, and upper wire outlet seat cylinder 21 is horizontal
It is arranged, is provided with wire outlet seat positioning protrusion 22, upper wire outlet seat positioning protrusion 22 and vacuum extinction on the right side of upper wire outlet seat cylinder 21
Cooperate at the top of room 11, upper wire outlet seat positioning protrusion 22 is mounted on 11 top of vacuum interrupter；It is arranged on the left of upper wire outlet seat cylinder 21
There is upper wire outlet seat line outlet groove, upper wire outlet seat line outlet groove and upper outlet 23 cooperate, and upper outlet 23 is mounted in wire outlet seat line outlet groove；
The lower wire outlet seat 3 includes the first cylindrical body 31, the second cylindrical body 32, radial perforation 33,31 water of the first cylindrical body
It is flat to be arranged, the second cylindrical body 32 is provided on 31 side wall of the first cylindrical body；Radial perforation 33 is provided on first cylindrical body 31；The
Lower wire outlet seat line outlet groove is provided on the left of one cylindrical body 31, lower wire outlet seat line outlet groove and lower outlet 34 cooperate, and lower outlet 34 is installed
In lower wire outlet seat line outlet groove；
The insulated pull rod cooperated with insulated pull rod room 13 is installed in the insulated pull rod room 13；
Contain carbon fiber, epoxy resin in the epoxy package 1；The epoxy package 1 has thermal stability
By force, counter-bending stretch capability is strong, -40-40 DEG C of thermostability temperature range；It is longitudinal to bear pulling force 8000-10000N；
The sealing method of the epoxy package 1, comprising the following steps:
Step 1: urea, methylcellulose, oxalic acid and acetic acid are added in ultrapure water, it is stirred by ultrasonic through 50-90Hz
Afterwards, mixed solution is made；
Step 2: taking dried object for after mixed solution low temperature drying；Then dried object is put into glove box through 80-110
DEG C, 1-2 hours are kept the temperature, then raises temperature to 500-600 DEG C, 2-5 hours is kept the temperature, it is spare to obtain carbon net presoma；
Step 3: the carbon net presoma for taking out half quality is put into beaker, it is 65-68%'s that concentration is added into beaker
Concentrated nitric acid, and beaker is placed in constant water bath box, 50-60 DEG C heat preservation 4-6 hours, obtain carbon net；
Step 4: taking out beaker out of constant water bath box, the carbon net in concentrated nitric acid is cleaned to removal carbon repeatedly with cleaning agent
Online concentrated nitric acid, obtained solution is carbon net solution after cleaning, until the pH value in carbon net solution is shown as neutral；Again will
Treated, and carbon net contained with evaporating dish is put into vacuum oven, and after 100-110 DEG C of vacuum drying, carbon net is sheared to 2-
4mm long obtains shearing carbon fiber；
Step 5: weighing shearing carbon fiber, coupling agent, neopelex, ethyl acetate, residual carbon net presoma
It is added in beaker, after being stirred with glass bar, is put into ultrasonic disperse in supersonic wave cleaning machine；Then weigh epoxy resin, and by its
It pours into beaker, and after being stirred with glass bar, carries out ultrasonic disperse again, obtain mixed solution；
Step 6: the beaker for filling mixed solution in above-mentioned steps five is put into electric-heated thermostatic water bath, through 90-95 DEG C
Boiling volatilizees ethyl acetate complete；Then beaker is put into vacuum oven, to mixed solution vacuum defoamation；
Step 7: taking out beaker, curing agent amine alcohol is added, obtains molding mixture；
Step 8: No. 8 release waxes of Micron Technology are uniformly smeared on pole mold, then by upper wire outlet seat 2, lower wire outlet seat
3, fixed inserts 4 is mounted in pole mold, after pole mold clamping, injects the molding mixture；
Step 9: by injection molding mixture pole mold be put into air dry oven, through 80-85 DEG C, 4-5 it is small
When dry heat preservation；The die sinking of pole mold is then taken out, the pole is obtained；
The preparation raw material proportioning of the epoxy package 1 is 300-500 parts by weight of urea, 50-100 parts by weight methyl fibre
Tie up the shearing carbon fiber of element, 10-50 parts by weight oxalic acid, 80-90 parts by weight acetic acid, 1000 parts by weight epoxy resin, 70-80 parts by weight
Dimension, the concentrated nitric acid of 100-300 parts by weight, 10-20 parts by weight coupling agent, 5-15 parts by weight neopelex, 200-300
Weight part of ethylacetate, 50-100 parts by weight curing agent amine alcohol；
The synthetic method of the coupling agent, comprising the following steps:
Step S1, by butane and ether in molar ratio 2:1-8:1 ratio mix, addition account for total weight percent 20-
80% acetone, obtains mixed solution；
Step S2, mixed solution in above-mentioned steps S1 is heated to 50-80 DEG C, butane and phosphorous oxide, butane is then added
With phosphorous oxide molar ratio 1:0.5-1:0.8,2-3h is kept the temperature, mixed solution A is obtained；And mixed solution A is put into vacuum oven
In, acetone is removed, phosphate is obtained；
Step S3, above-mentioned phosphate and titanate esters 1:2-1:5 ratio in mass ratio are mixed, and acetone is added, be heated to
40-60 DEG C, 2-3h is kept the temperature, is subsequently placed into vacuum oven, removed acetone, obtain coupling agent；
The cleaning agent is middle NaOH sodium hydrate aqueous solution, deionized water, one kind of NaCl sodium-chloride water solution.
The working principle of the invention:
The present invention wraps up upper wire outlet seat 2, lower wire outlet seat 3, fixed inserts 4 by epoxy package 1；In epoxy resin
Vacuum interrupter 11, conductive chamber 12, insulated pull rod room 13 are set on shell 1；The epoxy resin of 13 bottom of insulated pull rod room
Fixed inserts 4 is provided on the inside of shell 1；Outer bulge loop 5 is provided on the outside of epoxy package 1 outside insulated pull rod room 13；
The present invention is provided with containing liquid chamber 14 in epoxy package 1, sets on the epoxy package 1 in 14 outside of containing liquid chamber
It is equipped with liquid outlet 15, inlet 16, liquid outlet 15 is located at the top of epoxy package 1, and inlet 16 is located at outside epoxy resin
The bottom of shell 1；Liquid outlet 15, inlet 16 are respectively communicated in containing liquid chamber 14；Liquid outlet 15, inlet 16 are connected by pipeline
The both ends of freezing machine；It is full of oiliness coolant liquid in pipeline, containing liquid chamber 14, freezing machine, which is reduced by the circulating cooling liquid
The temperature of pole promotes the service life of the pole；
Vacuum interrupter 11 and upper wire outlet seat 2, lower wire outlet seat 3, fixed inserts 4 are fully cured in epoxy resin in the present invention
In shell 1, vacuum interrupter 11 is directly formed by curing by epoxy resin, avoids the application of fastening bolt, nut, avoid bolt,
Nut be easy to cause the problems in tip electric field collection in epoxy package 1；Vacuum interrupter 11 by epoxy resin directly at
Type, epoxy package 1 are damaged in transport and installation process by mechanical impacts；Epoxy package 1 by dust, humidity,
Abnormal air-pressure, small insect enter in vacuum interrupter 11, cause the exception of the pole；
In 1 manufacturing process of epoxy package of the invention, carbon fiber surface is in higher inertia, with epoxy resin
Wellability is very poor, directly affects its interfacial adhesion with epoxy；Carbon fiber is and coupling agent modified compound after concentrated nitric acid is handled
The surface state of method modified carbon fiber can improve the surface state of carbon fiber, increase its surface area, and introduce polarity or anti-
Functional group is answered, so as to improve the interfacial adhesion strength between carbon fiber and epoxy resin-base；
Thickness is uniformly mixed with urea, methylcellulose, oxalic acid, acetic acid in the present invention, is put into glove box through high temperature drying,
And carbon net is made by concentrated nitric acid carbonization；Methylcellulose is in urea and oxalic acid, acetic acid aqueous solution, by chemically and physically handing over
The nano-pore cellulose aquagel that the high stretch deposited of allying the communists is chemically crosslinked, nano-pore cellulose have three-dimensional manometer pore structure；
After nano-pore cellulose aquagel high temperature drying, carbon net is made through concentrated nitric acid carbonization；
Carbon fiber, coupling agent, neopelex, ethyl acetate, the agitated fusion of residual carbon net are sheared, carbon is sheared
Fiber is in coupling agent, neopelex, ethyl acetate through saponification, and shearing Carbon fibe, to be connected to carbon online, referring to
Fig. 5-6 forms carbon fiber tree；
For the present invention first using cellulose as carbon source, urea provides nitrogen, and carbon net is made；Carbon on the net again by ultrasonic disperse with it is molten
The method that liquid is blended prepares carbon fiber tree net epoxy resin, wherein using carbon fiber, carbon net facilitate epoxy resin at charcoal, from
And the pyroconductivity of pyrolytic reaction Heat liberation unit and incendiary material can be reduced, promote epoxy resin at charcoal, to play more
Good flame retardant effect；Carbon fiber tree net is skeleton, the tensile resistance of reinforced epoxy shell 1；
In addition, generating certain orientation, such carbon fiber tree net orientation effect when carbon fiber tree net mixes in the epoxy
Fruit is conducive to the counter-bending stretch capability of the epoxy package 1, promotes the counter-bending stretch capability of epoxy package 1.
The present invention provides a kind of poles of electric power, have the spy that thermal stability is strong, counter-bending stretch capability is strong
Point.The present invention wraps up upper wire outlet seat, lower wire outlet seat, fixed inserts by epoxy package；It is set on epoxy package
Set vacuum interrupter, conductive chamber, insulated pull rod room；Fixation is provided on the inside of the epoxy package of insulated pull rod room bottom
Inserts；Outer bulge loop is provided on the outside of epoxy package outside insulated pull rod room；Vacuum interrupter and upper wire outlet seat in the present invention,
Lower wire outlet seat, fixed inserts are fully cured in epoxy package, and vacuum interrupter is directly formed by curing by epoxy resin, is kept away
The application for exempting from fastening bolt, nut avoids bolt, nut from be easy to causeing asking for tip electric field concentration in epoxy package
Topic；Vacuum interrupter is damaged in transport and installation process by mechanical impacts by epoxy resin straight forming, epoxy package
Evil；Epoxy package enters dust, humidity, abnormal air-pressure, small insect in vacuum interrupter, causes the different of the pole
Often；
In epoxy package manufacturing process of the invention, carbon fiber surface is in higher inertia, with epoxy resin
Wellability is very poor, directly affects its interfacial adhesion with epoxy；Carbon fiber is and coupling agent modified compound after concentrated nitric acid is handled
The surface state of method modified carbon fiber can improve the surface state of carbon fiber, increase its surface area, and introduce polarity or anti-
Functional group is answered, so as to improve the interfacial adhesion strength between carbon fiber and epoxy resin-base；
For the present invention first using cellulose as carbon source, urea provides nitrogen, and carbon net is made；Carbon on the net again by ultrasonic disperse with it is molten
The method that liquid is blended prepares carbon fiber tree net epoxy resin, wherein using carbon fiber, carbon net facilitate epoxy resin at charcoal, from
And the pyroconductivity of pyrolytic reaction Heat liberation unit and incendiary material can be reduced, promote epoxy resin at charcoal, to play more
Good flame retardant effect；Carbon fiber tree net is skeleton, the tensile resistance of reinforced epoxy shell；
In addition, generating certain orientation, such carbon fiber tree net orientation effect when carbon fiber tree net mixes in the epoxy
Fruit is conducive to the counter-bending stretch capability of the epoxy package 1, promotes the counter-bending stretch capability of epoxy package.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (8)
1. a kind of pole of electric power, including epoxy package (1), upper wire outlet seat (2), lower wire outlet seat (3), fixation are embedding
Part (4), outer bulge loop (5), it is characterised in that:
Wire outlet seat (2), lower wire outlet seat (3) in epoxy package (1) connection, upper wire outlet seat (2) are located at outside epoxy resin
At the top of shell (1), lower wire outlet seat (3) is located at epoxy package (1) side；Vacuum extinction is provided in epoxy package (1)
Room (11), conductive chamber (12), insulated pull rod room (13), insulated pull rod room (13) are located at the lower end of epoxy package (1), insulation
Conductive chamber (12), vacuum interrupter (11) are disposed on pull rod room (13)；It is connected with out at the top of vacuum interrupter (11)
Line seat (2)；Insulated pull rod room (13) side connects lower wire outlet seat (3)；
It is provided with containing liquid chamber (14) in the epoxy package (1), is set on the epoxy package (1) on the outside of containing liquid chamber (14)
It is equipped with liquid outlet (15), inlet (16), liquid outlet (15) is located at the top of epoxy package (1), and inlet (16) is located at
The bottom of epoxy package (1)；
The sealing method of the epoxy package (1), comprising the following steps:
Step 1: urea, methylcellulose, oxalic acid and acetic acid are added in ultrapure water, after 50-90Hz is stirred by ultrasonic, system
At mixed solution；
Step 2: taking dried object for after mixed solution low temperature drying；Then dried object is put into glove box through 80-110 DEG C,
Heat preservation 1-2 hours then raises temperature to 500-600 DEG C, keeps the temperature 2-5 hours, it is spare to obtain carbon net presoma；
Step 3: the carbon net presoma for taking out half quality is put into beaker, the dense nitre that concentration is 65-68% is added into beaker
Acid, and beaker is placed in constant water bath box, 50-60 DEG C heat preservation 4-6 hours, obtain carbon net；
Step 4: take out beaker out of constant water bath box, it is online that the carbon net in concentrated nitric acid is cleaned with cleaning agent to removal carbon repeatedly
Concentrated nitric acid, obtained solution is carbon net solution after cleaning, until the pH value in carbon net solution is shown as neutral；It again will processing
Carbon net afterwards is contained with evaporating dish to be put into vacuum oven, and after 100-110 DEG C of vacuum drying, carbon net is sheared to 2-4mm
It is long, obtain shearing carbon fiber；
It is added Step 5: weighing shearing carbon fiber, coupling agent, neopelex, ethyl acetate, residual carbon net presoma
In beaker, after being stirred with glass bar, it is put into ultrasonic disperse in supersonic wave cleaning machine；Epoxy resin then is weighed, and is poured into
In beaker, and after being stirred with glass bar, ultrasonic disperse is carried out again, obtains mixed solution；
Step 6: the beaker for filling mixed solution in above-mentioned steps five is put into electric-heated thermostatic water bath, steamed through 90-95 DEG C
It boils, ethyl acetate is volatilized complete；Then beaker is put into vacuum oven, to mixed solution vacuum defoamation；
Step 7: taking out beaker, curing agent amine alcohol is added, obtains molding mixture；
Step 8: No. 8 release waxes of Micron Technology are uniformly smeared on pole mold, then by upper wire outlet seat (2), lower wire outlet seat
(3), fixed inserts (4) are mounted in pole mold, after pole mold clamping, inject the molding mixture；
Step 9: the pole mold of injection molding mixture is put into air dry oven, done through 80-85 DEG C, 4-5 hours
Dry heat preservation；The die sinking of pole mold is then taken out, the pole is obtained.
2. a kind of pole of electric power according to claim 1, which is characterized in that insulated pull rod room (13) bottom
Fixed inserts (4) are provided on the inside of the epoxy package (1) in portion；The epoxy package (1) of insulated pull rod room (13) outside is outside
Side is provided with outer bulge loop (5).
3. a kind of pole of electric power according to claim 1, which is characterized in that the outer bulge loop (5) is equidistant
It is distributed on epoxy package (1), multiple outer bulge loops (5) are parallel to each other.
4. a kind of pole of electric power according to claim 1, which is characterized in that the upper wire outlet seat (2) includes
Upper wire outlet seat cylinder (21), upper wire outlet seat positioning protrusion (22), upper wire outlet seat cylinder (21) is horizontally disposed, upper wire outlet seat cylinder
(21) right side is provided with wire outlet seat positioning protrusion (22), is matched at the top of upper wire outlet seat positioning protrusion (22) and vacuum interrupter (11)
It closes, upper wire outlet seat positioning protrusion (22) is mounted at the top of vacuum interrupter (11)；It is provided on the left of upper wire outlet seat cylinder (21)
Wire outlet seat line outlet groove, upper wire outlet seat line outlet groove and upper outlet (23) cooperate, and upper outlet (23) is mounted in wire outlet seat line outlet groove.
5. a kind of pole of electric power according to claim 1, which is characterized in that the lower wire outlet seat (3) includes
First cylindrical body (31), the second cylindrical body (32), radial perforation (33), the first cylindrical body (31) is horizontally disposed, the first cylindrical body
(31) the second cylindrical body (32) are provided on side wall；Radial perforation (33) are provided on first cylindrical body (31)；First cylindrical body
(31) left side is provided with lower wire outlet seat line outlet groove, and lower wire outlet seat line outlet groove and lower outlet (34) cooperate, and lower outlet (34) is mounted on
In lower wire outlet seat line outlet groove.
6. a kind of pole of electric power according to claim 1, which is characterized in that the epoxy package (1)
Preparation raw material proportioning be 300-500 parts by weight of urea, 50-100 parts by weight methylcellulose, 10-50 parts by weight oxalic acid, 80-
90 parts by weight acetic acid, 1000 parts by weight epoxy resin, 70-80 parts by weight shearing carbon fiber, 100-300 parts by weight dense nitre
Acid, 10-20 parts by weight coupling agent, 5-15 parts by weight neopelex, 200-300 weight part of ethylacetate, 50-100
Parts by weight curing agent amine alcohol.
7. a kind of pole of electric power according to claim 1, which is characterized in that the synthesis side of the coupling agent
Method, comprising the following steps:
Step S1, by butane and ether in molar ratio 2:1-8:1 ratio mix, addition account for total weight percent 20-80%'s
Acetone obtains mixed solution；
Step S2, mixed solution in above-mentioned steps S1 is heated to 50-80 DEG C, butane and phosphorous oxide, butane and oxygen is then added
Change phosphorus molar ratio 1:0.5-1:0.8, keeps the temperature 2-3h, obtain mixed solution A；And mixed solution A is put into vacuum oven, it goes
Except acetone, phosphate is obtained；
Step S3, above-mentioned phosphate and titanate esters 1:2-1:5 ratio in mass ratio are mixed, and acetone is added, be heated to 40-60
DEG C, 2-3h is kept the temperature, is subsequently placed into vacuum oven, acetone is removed, obtains coupling agent.
8. a kind of pole of electric power according to claim 1, which is characterized in that the cleaning agent is sodium hydroxide
One of aqueous solution, deionized water, sodium-chloride water solution.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977716.5A CN109103047B (en) | 2018-08-27 | 2018-08-27 | A kind of pole of electric power |
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| CN201810977716.5A CN109103047B (en) | 2018-08-27 | 2018-08-27 | A kind of pole of electric power |
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| CN109103047B true CN109103047B (en) | 2019-07-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001143582A (en) * | 1999-11-18 | 2001-05-25 | Meidensha Corp | Gas insulation switch |
| FR2938967B1 (en) * | 2008-11-24 | 2012-08-03 | Areva T & D Sa | OVERMOULING FOR VACUUM BULB OF SMC OR BMC COMPOSITE MATERIAL |
| CN105838064B (en) * | 2016-03-31 | 2019-01-29 | 河南森源电气股份有限公司 | A kind of pole insulating materials, breaker pole and preparation method thereof |
| CN105907091A (en) * | 2016-06-01 | 2016-08-31 | 天津平高智能电气有限公司 | Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof |
| CN106098442A (en) * | 2016-08-19 | 2016-11-09 | 河南森源电气股份有限公司 | Vacuum interrupter surface treatment method and pole forming method |
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