CN110003662A - A kind of composite insulator umbrella skirt and preparation method thereof that discoloration display can be carried out to power failure - Google Patents
A kind of composite insulator umbrella skirt and preparation method thereof that discoloration display can be carried out to power failure Download PDFInfo
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- CN110003662A CN110003662A CN201910368149.8A CN201910368149A CN110003662A CN 110003662 A CN110003662 A CN 110003662A CN 201910368149 A CN201910368149 A CN 201910368149A CN 110003662 A CN110003662 A CN 110003662A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
A kind of composite insulator umbrella skirt and preparation method thereof that discoloration display can be carried out to power failure, be related to that power failure can be carried out the composite insulator umbrella skirt and its technology of preparing of discoloration display, in order to realize it is efficient, accurate, economically diagnose power failure existing for composite insulator.Full skirt of the invention includes the component of following mass parts: 40 parts~55 parts of silicon rubber, 30 parts~40 parts of fire retardant, 20 parts~30 parts of reinforcing agent, 10 parts~20 parts of colour-changing agent, 5 parts~10 parts of colorant and 5 parts~10 parts of chemical assistant.The present invention is suitable for electric field.
Description
Technical field
The present invention relates to composite insulator umbrella skirts and its technology of preparing that discoloration display can be carried out to power failure.
Background technique
Insulator is as the structure member for playing insulation and fixed suspension to electrical equipment or conducting wire, in electric power rack
It is widely used and many kinds of, especially composite insulator, since it is with small in size, light-weight, hydrophobicity is strong, resistance to soiling
Can it is good, high mechanical strength, anti-seismic performance is excellent, anti-pollution characteristic is good and many advantages, such as being easily installed and safeguard, nearly ten or twenty year
Between be used widely in the electric power rack in China.
The operational reliability of composite insulator mainly determines by electrical insulation properties and mechanical mechanics property, hanging net operation
Composite insulator often makes electric insulating quality due to being under the comprehensive functions such as electric load, mechanical load, complex environment for a long time
It can decline and mechanical structure damage.The failure that composite insulator occurs most frequently according to statistics is arcing fault, and flashover will lead to insulation
Sub- full skirt and sheath form carbonization channel or galvanic corrosion damage.When insulator surface forms carbonization channel, service life can be significantly
It reduces, or even breakdown in a short time.The performance deterioration of composite insulator and arcing fault seriously threaten power train
The safety and stability of system, causes line tripping and a wide range of power outages.For the common detection side of composite insulator in operation
Method mainly includes manual patrol, the methods of infrared and ultraviolet imagery, however due to by terrain environment, personnel's subjective judgement difference,
The uncertain factors such as weather conditions influence, and existing artificial line walking patrols period length, large labor intensity, safety there are low efficiency, again
The disadvantages of poor, and infrared, ultraviolet detection need to cooperate helicopter or unmanned plane, line walking is at high cost, disturbing factor is more and inspection is quasi-
True property is low.Therefore how to realize that position that is efficient, accurate, economically diagnosing power failure existing for composite insulator seems especially
It is important.
Summary of the invention
The purpose of the invention is to realize it is efficient, accurate, economically diagnose composite insulator existing for failure, to mention
For a kind of composite insulator umbrella skirt and preparation method thereof that can carry out discoloration display to failure.
A kind of composite insulator umbrella skirt that discoloration display can be carried out to failure of the present invention, including following mass fraction
Component:
40 parts~55 parts of silicon rubber, 30 parts~40 parts of fire retardant, 20 parts~30 parts of reinforcing agent, 10 parts~20 parts of colour-changing agent,
5 parts~10 parts and 5 parts~10 parts of chemical assistant of colorant.
Preferably, silicon rubber be dimethyl silicone rubber, methyl vinyl silicone rubber, methyl phenyl vinyl silicone rubber,
One of nitrile silicone rubber, ethylene propylene diene rubber, phenylene silicone rubber and phenylate support silicon rubber are a variety of by any combination.Silicon rubber
Colloid amount fraction range is 40%~60%.
Preferably, fire retardant is aluminum hydroxide particle, and the particle size range of aluminum hydroxide particle is 0.1 μm~20 μm.Hydrogen
Alumina particulate mass fraction range is 10%~40%.
Preferably, reinforcing agent is white carbon black, montmorillonite, attapulgite, clay, precipitated calcium carbonate, powdered whiting, receives
Rice calcium carbonate, activated Calcium carbonate, flyash, organic resin reinforcing agent, lignin, titanium dioxide, pyrophyllite, sepiolite, talcum powder,
One of barium sulfate and lithopone are a variety of by any combination.
Preferably, colour-changing agent is one of sulphur vanadium copper compound, sulphur niobium copper compound and sulphur tantalum copper compound or more
Kind combination.
Preferably, the particle size range of sulphur vanadium copper compound, sulphur niobium copper compound and sulphur tantalum copper compound be 1nm~
10nm。
Light of the colour-changing agent including sulphur vanadium copper compound, sulphur niobium copper compound and/or sulphur tantalum copper compound in visible region
With electriferous state significant changes occur for absorption spectra, by spectral signatures such as frequency, peak position and peak values with carried charge and charge
The variation of type and occur significantly to change, there is distinct electrochromism feature.To improve the uniformity that changes colour, sulphur vanadium copper chemical combination
Object, sulphur niobium copper compound, sulphur tantalum copper compound particle size range are 1nm~10nm.
Preferably, colorant is one of iron oxide, colour carbon black, lead pigments, ultramarine blue, chromium oxide and cadmium oxide
Or it is a variety of by any combination.
Preferably, chemical assistant is vulcanizing agent, constitution controller, promotor, activator, coupling agent, antiscorching agent, antioxygen
Agent, antiozonant, flex-cracking inhibitor, light stabilizer, UV absorbers, harmful metal inhibitor, physical antioxidant, prevent it is white
Ant agent, mouse bite preventing agent, the anti-agent that bites, mould inhibitor, silica-hexa-resorcinol system, cobalt salt system adhesive, adhesive, peptizer, solubilizer,
One of plasticizer, softening agent, homogenizing agent, lubricant, dispersing agent, tackifier, interleaving agent and release agent are a variety of by any
Than combination.
A kind of preparation method of composite insulator umbrella skirt that discoloration display can be carried out to power failure of the present invention, should
Method follows these steps to realize:
One, by mass fraction weigh 40 parts~55 parts of silicon rubber, 30 parts~40 parts of fire retardant, 20 parts~30 parts of reinforcing agent,
10 parts~20 parts of colour-changing agent, 5 parts~10 parts of colorant and 5 parts~10 parts of chemical assistant；And chemical assistant is pressed to the type of component
It is divided into two parts；
Two, the weighed silicon rubber of step 1, reinforcing agent, colour-changing agent and a part of chemical assistant are uniformly mixed, are mixed
Close object；
Three, mixture is placed at 150~180 DEG C and is heat-treated 1~6 hour, then successively mixed in twin-screw extruder
Refining 30~50 minutes, carries out cross-linking reaction at a temperature of 155~175 DEG C, obtains rubber compound A；
Four, after placing rubber compound A 18~30 hours, fire retardant, colorant and another part chemical assistant is added, obtains
Rubber compound B；
Five, rubber compound B is placed in mold, is pressed and molded, then vulcanize 1~3 hour at a temperature of 180~220 DEG C, taken off
Mould completes preparation.
Preferably, in step 2, colour-changing agent is added to the mixture of silicon rubber, reinforcing agent and a part of chemical assistant
In, to be dispersed first using mechanical stirring, completes preliminary mixing, then dispersed using ultrasonic wave, ultrasonic frequency is 20~
40kHz, rate of dispersion are 3000~6000r/min, and jitter time is 30~60 minutes.
A kind of beneficial effects of the present invention: composite insulator umbrella skirt that discoloration display can be carried out to power failure of the invention
And preparation method thereof, special material composition and mixing technology based on colour-changing agent can be changed colour by full skirt to composite insulator
Arcing fault and other primary insulation failures are intuitively shown, realization in power circuit composite insulator operating status it is fast
Fast inspection.The present invention can be achieved not needing manually to step on tower can be on ground by human eye or by equipment such as telescopes, quickly
It positions and the location of faults such as flashover, lightning stroke, breakdown occurs on composite insulator, and can be according to the discoloration occurred on composite insulator
The factors such as situation, discoloration position, the figure of discoloration and shape quickly judge the fault type that composite insulator is occurred, and such as dodge
Network failure or breakdown fault etc., and can tentatively judge the severity that composite insulator breaks down, substantially reduce due to
Composite insulator break down and fail to be found in inspection and all kinds of electric network faults that cause, improve the effect of inspection work
Rate and accuracy bring huge improved efficiency for power grid maintenance and inspection work, and have saved economic cost.The present invention
Reduce and manually step on tower line walking workload in power transmission lines overhauling, avoid the error of other detection methods and does not know
Property, realize quick, the accurate positioning to faulty insulator.
Specific embodiment
Specific embodiment 1: present embodiment can carry out the composite insulator umbrella skirt of discoloration display, packet to power failure
Include the component of following mass parts:
55 parts of silicon rubber, 30 parts of fire retardant, 20 parts of reinforcing agent, 15 parts of colour-changing agent, 5 parts of colorant and 5 parts of chemical assistant.
In present embodiment, silicon rubber is 10 parts of dimethyl silicone rubber, 10 parts of methyl vinyl silicone rubber, aminomethyl phenyl second
10 parts of alkenyl silicon rubber, 10 parts of nitrile silicone rubber, 5 parts of ethylene propylene diene rubber, 5 parts of phenylene silicone rubber, phenylate support 5 parts of silicon rubber.
In present embodiment, fire retardant is aluminum hydroxide particle, and the particle size range of aluminium hydroxide is 0.1 μm~10 μm, hydrogen
The filling content of alumina particulate is 30 parts.
In present embodiment, reinforcing agent is 2 parts of white carbon black, 2 parts of montmorillonite, 2 parts of attapulgite, 1 part of clay, lightweight carbonic acid
1 part of calcium, 1 part of powdered whiting, 1 part of nanometer calcium carbonate, 1 part of activated Calcium carbonate, 1 part of flyash, 1 part of organic resin reinforcing agent,
1 part of lignin, 1 part of titanium dioxide, 1 part of pyrophyllite, 1 part of sepiolite, 1 part of talcum powder, 1 part of barium sulfate, 1 part of lithopone.
In present embodiment, colour-changing agent is the mixture of sulphur vanadium copper compound, sulphur niobium copper compound, sulphur tantalum copper compound,
Wherein colour-changing agent is made of the raw material of following mass fraction: 5 parts of sulphur vanadium copper compound, 5 parts of sulphur niobium copper compound, sulphur tantalum copper chemical combination
5 parts of object.
In specific implementation, sulphur vanadium copper compound, sulphur niobium copper compound, sulphur tantalum copper compound mass fraction proportion can for etc.
Ratio can also carry out different proportion proportion according to the different discoloration demands of composite insulator.
In present embodiment, colorant is by 1 part of iron oxide, 1 part of colour carbon black, 1 part of lead pigments, 1 part of ultramarine blue, chromium oxide
0.5 part and 0.5 part of cadmium oxide composition.
In present embodiment, chemical assistant is vulcanizing agent (crosslinking agent), constitution controller, promotor, activator, coupling
Agent, antiscorching agent, antioxidant, antiozonant, flex-cracking inhibitor, light stabilizer, UV absorbers, harmful metal inhibitor,
Physical antioxidant, anti-termite agent, mouse bite preventing agent, the anti-agent that bites, mould inhibitor, silica-hexa-resorcinol system and cobalt salt system adhesive, gluing
Agent, peptizer, solubilizer, plasticizer, softening agent, homogenizing agent, lubricant, dispersing agent, tackifier, interleaving agent, release agent by etc.
Ratio addition, total component are 5 parts.
Specific embodiment 2: present embodiment can carry out the composite insulator umbrella skirt of discoloration display, packet to power failure
Include the component of following mass parts:
60 parts of silicon rubber, 35 parts of fire retardant, 25 parts of reinforcing agent, 10 parts of colour-changing agent, 7 parts of colorant and 7 parts of chemical assistant.
In present embodiment, silicon rubber is 30 parts of dimethyl silicone rubber, 30 parts of methyl ethylene.
In present embodiment, fire retardant is aluminum hydroxide particle, and the partial size of aluminum hydroxide particle is 5 μm~7 μ ms, hydrogen
The filling content of alumina particulate is 35 parts.
In present embodiment, reinforcing agent is 10 parts of white carbon black, 5 parts of montmorillonite, 3 parts of clay, 2 parts of nanometer calcium carbonate, talcum
2 parts of powder, 2 parts of barium sulfate, 1 part of lithopone.
In present embodiment, colour-changing agent is the mixture of sulphur vanadium copper compound, sulphur niobium copper compound, sulphur tantalum copper compound,
Wherein colour-changing agent is made of the raw material of following mass fraction: preparing 4 parts of sulphur vanadium copper compound, 4 parts of sulphur niobium copper compound, sulphur tantalum copper
2 parts of compound, sulphur vanadium copper compound, sulphur niobium copper compound, sulphur tantalum copper compound particle size range are 1nm~10nm.
In present embodiment, colorant is 3 parts of iron oxide, 0.5 part of colour carbon black, 1.5 parts of lead pigments, 1 part of ultramarine blue, oxygen
Change 0.5 part and 0.5 part of cadmium oxide of chromium.
In present embodiment, chemical assistant is vulcanizing agent (crosslinking agent), constitution controller, promotor, activator, coupling
Agent, antiscorching agent, antioxidant, antiozonant, flex-cracking inhibitor, light stabilizer, UV absorbers, harmful metal inhibitor,
Physical antioxidant, anti-termite agent, mouse bite preventing agent, the anti-agent that bites, mould inhibitor, adhesive, peptizer, solubilizer, plasticizer, softening
Agent, homogenizing agent, lubricant, dispersing agent, tackifier, interleaving agent, release agent are added by equal proportion, and total component is 7 parts.
Specific embodiment 3: present embodiment can carry out the system of the composite insulator umbrella skirt of discoloration display to power failure
Preparation Method is kneaded method using the two-stage, and this method follows these steps to realize:
First stage is kneaded:
One, silicon rubber, fire retardant, reinforcing agent, colour-changing agent part, colorant are weighed by the mass fraction of specific embodiment one
And chemical assistant；Chemical assistant is divided into two parts；
Two, by silicon rubber, reinforcing agent and vulcanizing agent, constitution controller, promotor, activator, coupling agent, antiscorching agent, anti-
Oxygen agent, antiozonant, flex-cracking inhibitor, light stabilizer, UV absorbers, harmful metal inhibitor are uniformly mixed, then will
Colour-changing agent is added in the mixture of silicon rubber, reinforcing agent and above-mentioned chemical assistant, is dispersed first using mechanical stirring, completes preliminary
Then mixing is dispersed, ultrasonic frequency 20kHz, rate of dispersion 6000r/min using ultrasonic wave, jitter time is 30 points
Clock obtains mixture；
In order to enable colour-changing agent plays one's part to the full, colour-changing agent is mixed into using mixed nanometer technology, utilizes the office of ultrasonic wave
Portion's thump and strong vibration weaken the effect energy between nanoparticle, prevent colour-changing agent nanoparticle from reuniting, finally through ultrasonic wave
Disperse sulphur vanadium copper compound, sulphur niobium copper compound, the sulphur tantalum copper compound crystal being evenly distributed；
Mixture is placed at 150~180 DEG C and is heat-treated 1~6 hour, 40 are then successively kneaded in twin-screw extruder
Minute, cross-linking reaction is completed through primary vulcanization at a temperature of 165 DEG C of hot-press vulcanizations, obtains rubber compound A.
Second stage is kneaded:
Four, after placing rubber compound A 24 hours, fire retardant, colorant and physical antioxidant, anti-termite agent, protection against rodents is added
Sting agent, the anti-agent that bites, mould inhibitor, silica-hexa-resorcinol system and cobalt salt system adhesive, adhesive, peptizer, solubilizer, plasticizer,
Softening agent, homogenizing agent, lubricant, dispersing agent, tackifier, interleaving agent, release agent obtain rubber compound B；
Five, rubber compound B is placed in mold, is pressed and molded 30 minutes at 7MPa, 180 DEG C, then through at a temperature of 200 DEG C into
Row post-cure 1~3 hour, demoulding completes preparation, obtains the full skirt of predetermined shape.
Based on sulphur vanadium copper compound, sulphur niobium copper compound, sulphur tantalum copper compound electrochromic property, pass through special material
Proportion and preparation method realize the modification of composite insulator umbrella skirt material, have the colour change function under failure electrical parameter, simultaneously
The hydrophobic property, resistant characteristic and insulation characterisitic etc. for not changing composite insulator umbrella skirt material are different from and are changed colour based on coating type
The related invention and preparation method of agent.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (10)
1. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure, which is characterized in that including following mass parts
Component:
40 parts~55 parts of silicon rubber, 30 parts~40 parts of fire retardant, 20 parts~30 parts of reinforcing agent, 10 parts~20 parts of colour-changing agent, coloring
5 parts~10 parts and 5 parts~10 parts of chemical assistant of agent.
2. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 1, feature
Be, the silicon rubber be dimethyl silicone rubber, methyl vinyl silicone rubber, methyl phenyl vinyl silicone rubber, nitrile silicone rubber,
One of ethylene propylene diene rubber, phenylene silicone rubber and phenylate support silicon rubber are a variety of by any combination.
3. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 1, feature
It is, the fire retardant is aluminum hydroxide particle, and the particle size range of aluminum hydroxide particle is 0.1 μm~20 μm.
4. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 1, feature
It is, the reinforcing agent is white carbon black, montmorillonite, attapulgite, clay, precipitated calcium carbonate, powdered whiting, nano-calcium carbonate
Calcium, activated Calcium carbonate, flyash, organic resin reinforcing agent, lignin, titanium dioxide, pyrophyllite, sepiolite, talcum powder, barium sulfate
With one of lithopone or a variety of press any combination.
5. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 1, feature
It is, the colour-changing agent is one of sulphur vanadium copper compound, sulphur niobium copper compound and sulphur tantalum copper compound or multiple combinations.
6. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 1, feature
It is, the particle size range of the sulphur vanadium copper compound, sulphur niobium copper compound and sulphur tantalum copper compound is 1nm~10nm.
7. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 1, feature
It is, the colorant is one of iron oxide, colour carbon black, lead pigments, ultramarine blue, chromium oxide and cadmium oxide or a variety of presses
Any combination.
8. a kind of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 1, feature
Be, the chemical assistant be vulcanizing agent, constitution controller, promotor, activator, coupling agent, antiscorching agent, antioxidant, resist it is smelly
Oxygen agent, light stabilizer, UV absorbers, harmful metal inhibitor, physical antioxidant, anti-termite agent, is prevented flex-cracking inhibitor
Damaged by rats agent, the anti-agent that bites, mould inhibitor, silica-hexa-resorcinol system, cobalt salt system adhesive, adhesive, peptizer, solubilizer, plasticizer,
One of softening agent, homogenizing agent, lubricant, dispersing agent, tackifier, interleaving agent and release agent are a variety of by any combination.
9. a kind of preparation method for the composite insulator umbrella skirt that can carry out discoloration display to power failure, which is characterized in that the party
Method follows these steps to realize:
One, 40 parts~55 parts of silicon rubber, 30 parts~40 parts of fire retardant, 20 parts~30 parts of reinforcing agent, discoloration are weighed by mass fraction
10 parts~20 parts of agent, 5 parts~10 parts of colorant and 5 parts~10 parts of chemical assistant；And chemical assistant is divided by the type of component
Two parts；
Two, the weighed silicon rubber of step 1, reinforcing agent, colour-changing agent and a part of chemical assistant are uniformly mixed, obtain mixture；
Three, mixture is placed at 150~180 DEG C and is heat-treated 1~6 hour, 30 are then successively kneaded in twin-screw extruder
~50 minutes, cross-linking reaction is carried out at a temperature of 155~175 DEG C, obtains rubber compound A；
Four, after placing rubber compound A 18~30 hours, fire retardant, colorant and another part chemical assistant is added, is kneaded
Glue B；
Five, rubber compound B is placed in mold, is pressed and molded, then vulcanize 1~3 hour at a temperature of 180~220 DEG C, demoulded, i.e.,
Complete preparation.
10. a kind of preparation of composite insulator umbrella skirt that can carry out discoloration display to power failure according to claim 9
Method, which is characterized in that in step 2, colour-changing agent is added in the mixture of silicon rubber, reinforcing agent and a part of chemical assistant,
To be dispersed first using mechanical stirring, completes preliminary mixing, then dispersed using ultrasonic wave, ultrasonic frequency is 20~40kHz, point
Dissipating speed is 3000~6000r/min, and jitter time is 30~60 minutes.
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| CN114806183A (en) * | 2022-03-17 | 2022-07-29 | 哈尔滨理工大学 | Silicon rubber material with electrochromic property and preparation method thereof |
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| CN112863784A (en) * | 2021-01-19 | 2021-05-28 | 湖南兴诚电瓷电器有限公司 | High-strength composite porcelain knob insulator for high-voltage line and preparation method thereof |
| CN114806183A (en) * | 2022-03-17 | 2022-07-29 | 哈尔滨理工大学 | Silicon rubber material with electrochromic property and preparation method thereof |
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| CN110003662B (en) | 2021-09-17 |
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