CN107424691B - A kind of production method of anti-fracture insulator - Google Patents
A kind of production method of anti-fracture insulator Download PDFInfo
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- CN107424691B CN107424691B CN201710254997.7A CN201710254997A CN107424691B CN 107424691 B CN107424691 B CN 107424691B CN 201710254997 A CN201710254997 A CN 201710254997A CN 107424691 B CN107424691 B CN 107424691B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/04—Treating the surfaces, e.g. applying coatings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/005—Insulators structurally associated with built-in electrical equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/32—Single insulators consisting of two or more dissimilar insulating bodies
- H01B17/325—Single insulators consisting of two or more dissimilar insulating bodies comprising a fibre-reinforced insulating core member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/50—Insulators or insulating bodies characterised by their form with surfaces specially treated for preserving insulating properties, e.g. for protection against moisture, dirt, or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/52—Insulators or insulating bodies characterised by their form having cleaning devices
- H01B17/525—Self-cleaning, e.g. by shape or disposition of screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/40—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes epoxy resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/46—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes silicones
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Abstract
The invention belongs to insulator technology fields, it is related to a kind of production method of anti-fracture insulator, insulator body interior setting non-conductive fibre rope when forming, the both ends of non-conductive fibre rope are bundled on upper steel plate and lower steel plate respectively, built-in type strain gauge is bundled in non-conductive fibre rope, height and position locating for each built-in type strain gauge is identical, then injection molding insulator body, and it is molded the adsorption staple fiber for making mold, the signal cable of built-in type strain gauge is finally connected data acquisition unit by then reshaping super-hydrophobic layer.Built-in type strain gauge is arranged in insulator body to monitor the stress of insulator different location in the present invention, to judge whether insulator produces crack.
Description
Technical field
The invention belongs to insulator technology fields, are related to a kind of production method of anti-fracture insulator.
Background technique
For insulator as component indispensable in transmission line of electricity, dosage is very big, and insulator plays insulating effect, and insulator removes
Except the insulating capacity of itself, the requirement of insulator surface is also very high, if insulator surface covers dirt, freezes, insulation
Performance can reduce, and influence to transmit electricity, and the distance between full skirt surface is known as creepage distance between insulator both ends, and the mesh of full skirt is arranged
Be exactly insulator surface pollution effect insulating properties in order to prevent.Traditional porcelain insulator needs manual cleaning surface contaminant, clearly
Clean trouble, some technologies install the clearing apparatus that icebreaking device and wind-force drive on porcelain insulator, do not say installation icebreaking device
The clearing apparatus driven with wind-force complicates insulator structure, increases insulator weight bearing, and install on the insulator
Icebreaking device and the clearing apparatus that drives of wind-force inherently may be conductive, influence creepage distance, attend trifles and neglect essentials.
As composite insulator is in the appearance of eighties of last century, porcelain insulator is compared, composite insulator has the following advantages that：Weight
Amount is light, and (electric property better and excellent than light 1/3~4/5) of same voltage class porcelain, explosion-proof performance, especially can reach
Very high gradation for surface pollution.Composite insulator core is generally made of epoxy resin and fiber, and in order to increase antifouling capacity, some
The surface of composite insulator coats super hydrophobic coating, and although super hydrophobic coating substantially improves anti-fouling effect, but general super thin
The ageing resistance of water paint itself is poor, lightning impulse resistant power is poor, and wearability is insufficient, and with using the time to extend, exposing to the weather is gone back
Surface may be caused to peel off, lost antifouling capacity by unfirmly closing.
Once being broken, aerial condutor falls can generate serious safety accident and cause insulator for high voltage transmission line
Huge economic loss is generally endeavoured to increase by design of material and insulate to prevent trouble before it happens in existing insulator design
The intensity of son, the not yet report in discovery monitoring insulator crack.
Summary of the invention
Above situation based on the prior art, the present invention provides a kind of production methods of anti-fracture insulator, are insulating
Built-in type strain gauge is set in sub, by monitoring the stress of insulator different location, to judge whether insulator produces crack,
If generating crack, the insulator is replaced in time, to achieve the purpose that prevent trouble before it happens, avoids aerial condutor falling from high altitude.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals.
A kind of production method of anti-fracture insulator, anti-fracture insulator include upper steel plate, lower steel plate, insulator body,
Full skirt, non-conductive fibre rope, staple fiber, super-hydrophobic layer, several non-conductive fibre ropes of the interior setting of insulator body, upper steel plate and lower steel
Plate, upper steel plate are equipped with top nut, top nut with upper steel plate be it is integrally formed, lower steel plate equipped with lower nut, lower nut be with
Lower steel plate is integrally formed, and the both ends of non-conductive fibre rope are bundled on upper steel plate and lower steel plate respectively, setting in insulator body
At least three built-in type strain gauges, height and position locating for each built-in type strain gauge is identical, and insulator body is equipped with full skirt, absolutely
The surface of edge ontology and its full skirt is equipped with staple fiber, and super-hydrophobic layer is close-coupled at insulator body and its umbrella by staple fiber
The surface of skirt, insulator body upper end cover set protecting cover plate, and loop-drive is recruited in the outer ring setting of protecting cover plate；Making step is as follows：
(1), non-conductive fibre rope is bound on upper steel plate and lower steel plate, upper steel plate and lower steel plate surrounding aperture, non-conductive fibre
The upper end of rope bypasses upper steel plate outer behind the hole of upper steel plate, and then the upper end of non-conductive fibre rope and non-conductive fibre rope itself are tied up
It is scheduled on together, the lower end of non-conductive fibre rope bypasses lower steel plate outer behind the hole of lower steel plate, then the lower end of non-conductive fibre rope
It is bound together with non-conductive fibre rope itself；
(2), top nut and lower nut respectively connect a screw rod, and two screw rods is pulled to be tensioned non-conductive fibre rope；And
Built-in type strain gauge is bound on non-conductive fibre rope；
(3), insulator body shaping mould and insulator body and its shape of full skirt cooperate, and insulator body shaping mould is
Double-deck, cavity is set between the internal layer and outer layer of insulator body shaping mould, and the internal layer of insulator body shaping mould is uniformly set
Stomata is set, the cavity of insulator body shaping mould connects exhaust tube, staple fiber is sprinkling upon in insulator body shaping mould, and is passed through
Exhaust tube pumping, so that staple fiber is adsorbed in the stomata of the internal layer of insulator body shaping mould；
(4) non-conductive fibre rope, upper steel plate and the lower steel plate combination being tensioned in step (2) are put into insulator body shaping mould
It is interior；The signal cable of built-in type strain gauge is extended to outside insulator body shaping mould；
(5), it is configured to the resin combination of production insulator body, resin combination is uniformly mixed, and is heated into
Fluid pressurizes fluid in injection insulator body shaping mould, and then cooling and solidifying obtains insulator body, obtained insulator
Body surface has a staple fiber burr, and the resin combination consolidation of staple fiber part and insulator body is integrated, and partial denudation exists
Outside；
(6), step (5) is obtained into insulator body and is put into fixation in super-hydrophobic layer shaping mould, by the super thin of fluid state
Water layer material injects in super-hydrophobic layer shaping mould, and curing molding obtains super-hydrophobic layer, to obtain built-in built-in type strain gauge
Anti-fracture insulator；
(7), after anti-fracture insulator molding, the signal cable of built-in type strain gauge is connected into data acquisition unit, data
Acquisition unit connects monitoring center by DTU module, and data acquisition unit connects battery, and battery connects power-supply controller of electric,
Power-supply controller of electric connects solar panel.
Further, the data acquisition unit includes analog signal switch, vibratory string signal conditioning circuit, analog-to-digital conversion
Device, microcontroller, memory, built-in type strain gauge connect analog signal switch, analog signal switch connection vibratory string signal condition
Circuit, vibratory string signal conditioning circuit connect analog-digital converter, and analog-digital converter connects microcontroller, and microcontroller connects memory
And DTU module.
Preferably, the group of the resin combination of insulator body becomes：200 parts of epoxy resin, 4- dimethylamino pyrrole
60 parts of pyridine, 35 parts of benzoxazine resin, 50 parts of polytetrafluoroethylene (PTFE), 30 parts of hydroxyethyl cellulose, 50 parts of carborundum powder, carbosphere 30
Part, 3 parts of titanium dioxide, 3 parts of zinc oxide.
Preferably, the group of super-hydrophobic layer becomes：It is 100 parts of organic siliconresin or fluorocarbon resin, super-hydrophobic nano oxidized
35 parts of zinc, 30 parts of silicon carbide micro-powder, 15 parts of reflective agent, 2 parts of nonconducting red pigment, 3 parts of age resister.
Technical effect of the invention：By monitoring the stress of insulator different location, to judge whether insulator produces
The insulator is replaced in time, to achieve the purpose that prevent trouble before it happens, avoids aerial condutor high-altitude if generating crack in crack
It falls.Staple fiber is set in insulator body, so that super-hydrophobic layer is connected firmly by staple fiber, solves super-hydrophobic layer and easily peel off
The problem of, while the super hydrophobic material dosage of super-hydrophobic layer is smaller, cost is relatively low.Epoxy resin, benzoxazine resin, polytetrafluoro
Ethylene has good insulating properties, and using 4-dimethylaminopyridine as curing accelerator, hydroxyethyl cellulose is viscous for enhancing
Power, silicon carbide and silica flour are tied as inorganic filler, there is good intensity, so that insulator after molding is unlikely to deform, two
Titanium oxide and zinc oxide play the role of change system surface nature, make it be easier to bond with super-hydrophobic layer, titanium dioxide is also
Play the role of changing color.Nano zine oxide has super-hydrophobicity, and hardness is high, can improve surface nature, so that insulation
The surface of son has self-cleaning ability, and silicon carbide micro-powder is added in resin, can significantly improve its wearability, nonconducting red face
Material is to make insulator surface take on a red color, and experiment surface red can prevent birds from stopping, and reflective agent makes insulator surface more
It is dazzling, prevent birds from stopping.
Detailed description of the invention
Fig. 1 is anti-fracture insulator schematic diagram of the invention.
Fig. 2 is built-in type strain gauge control schematic diagram.
Fig. 3 is data acquisition unit schematic diagram.
In figure：1. upper steel plate, 2. lower steel plates, 3. top nuts, 4. lower nuts, 5. insulator bodies, 6. full skirts, 7. insulation are fine
Tie up rope, 8. staple fibers, 9. super-hydrophobic layers, 10. protecting cover plates, 11. trick loop-drives, 12. built-in type strain gauges, 13. data acquisition units,
14.DTU module, 15. batteries, 16. power-supply controller of electric, 17. solar panels, 18. analog signals switch, 19. vibratory strings letter
Number conditioning circuit, 20. analog-digital converters, 21. microcontrollers, 22. memories.
Specific embodiment
Present invention be described in more detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of anti-fracture insulator, including upper steel plate 1, lower steel plate 2, top nut 3, lower nut 4, insulator
Ontology 5, full skirt 6, non-conductive fibre rope 7, staple fiber 8, super-hydrophobic layer 9, several non-conductive fibre ropes 7 of setting in insulator body 5, on
Steel plate 1 and lower steel plate 2, the both ends of non-conductive fibre rope 7 are bundled in respectively on upper steel plate 1 and lower steel plate 2, are set in insulator body 5
There is a full skirt 6, the surface of insulator body 5 and its full skirt 6 is equipped with staple fiber 8, and super-hydrophobic layer 9 is close-coupled at by staple fiber 8
The surface of insulator body 5 and its full skirt 6.Upper steel plate 1 is equipped with top nut 3, top nut 3 with upper steel plate 1 be it is integrally formed,
Lower steel plate 2 is equipped with lower nut 4, and lower nut 4 is integrally formed with lower steel plate 2.Non-conductive fibre rope 7 is the rope of high-tensile
Son such as uses carbon fiber rope, so that insulator sets up high-tension bus-bar and keeps tensile capacity strong, will not be broken.Upper steel plate 1, lower steel plate 2
It is arranged in insulator body 5, and is connected by non-conductive fibre rope 7, so that insulator uniform force, tensile strength is high.Insulation
At least three built-in type strain gauges 12 are set in sub- ontology, and height and position locating for each built-in type strain gauge 12 is identical, such as Fig. 2 institute
Show, built-in type strain gauge 12 connects data acquisition unit 13 by signal cable, and the data acquisition unit 13 passes through DTU module
14 connection monitoring centers, the data acquisition unit 13 connect battery 15, and battery 15 connects power-supply controller of electric 16, power supply control
Device 16 processed connects solar panel 17, gives the power supply of built-in type strain gauge 12 using solar panel 17, and by stress value
Monitoring center is wirelessly transmitted to by DTU module 14.In order to keep the antifouling anti-icing effect of insulator good, guarantee effective creepage distance,
Super-hydrophobic layer 9, because the contact angle of super-hydrophobic layer 9 is big, the dirts such as water, dust are covered on the surface of insulator body 5 and its full skirt 6
Object is difficult to be attached to its surface, plays self-cleaning effect, simultaneously as 9 contact angle of super-hydrophobic layer is big, conventional application method
Construction effect is undesirable, and super-hydrophobic layer 9 and the cohesive force of insulator body and full skirt are weak, is easy to peel off, the part prior art is used
Super-hydrophobic full skirt housing is made in super hydrophobic material, then super-hydrophobic full skirt housing is covered on core rod of insulator, such side
Formula super hydrophobic material dosage is big, at high cost.And staple fiber is arranged in insulator body 5 in the present invention, is made by staple fiber super-hydrophobic
Layer 9 is connected firmly, and solves the problems, such as that super-hydrophobic layer 9 is flaky, while the super hydrophobic material dosage of super-hydrophobic layer 9 is smaller, at
This is lower.In order to solve Lightning Protection, 5 upper end cover of insulator body sets protecting cover plate 10, and loop-drive is recruited in the outer ring setting of protecting cover plate 10
11, it recruits the diameter of loop-drive 11 to be greater than the diameter of full skirt 6, full skirt 6 can be covered, prevent thunder and lightning from puncturing full skirt 6, play lightning protection effect
Fruit.Built-in type strain gauge 12 is bundled on non-conductive fibre rope, is fixed conveniently in this way, and insulator body 5 is facilitated to form.
Referring to Fig. 3, the data acquisition unit 13 includes analog signal switch 18, vibratory string signal conditioning circuit 19, modulus
Converter 20, microcontroller 21, memory 22, built-in type strain gauge 12 connect analog signal switch 18, analog signal switch 18
Vibratory string signal conditioning circuit 19 is connected, vibratory string signal conditioning circuit 19 connects analog-digital converter 20, and analog-digital converter 20 connects micro-
Controller 21, microcontroller 21 connect memory 22 and DTU module 14.
Insulator body is resin combination, and the group of resin combination becomes：200 parts of epoxy resin, 4- dimethylamino
60 parts of pyridine, 35 parts of benzoxazine resin, 50 parts of polytetrafluoroethylene (PTFE), 30 parts of hydroxyethyl cellulose, 50 parts of carborundum powder, carbosphere
30 parts, 3 parts of titanium dioxide, 3 parts of zinc oxide.Epoxy resin, benzoxazine resin, polytetrafluoroethylene (PTFE) have good insulating properties,
Using 4-dimethylaminopyridine as curing accelerator, hydroxyethyl cellulose is made for enhancing cohesive force, silicon carbide and silica flour
For inorganic filler, there is good intensity, so that insulator after molding is unlikely to deform, titanium dioxide and zinc oxide play change
The effect of system surface nature makes it be easier to bond with super-hydrophobic layer, and titanium dioxide also acts as the effect for changing color.
The group of super-hydrophobic layer becomes：Organic siliconresin or 100 parts of fluorocarbon resin, 35 parts super-hydrophobic of nano zine oxide, carbon
30 parts of SiClx micro mist, 15 parts of reflective agent, 2 parts of nonconducting red pigment, 3 parts of age resister.Nano zine oxide has super-hydrophobic
Property, and hardness is high, can improve surface nature, so that the surface of insulator has self-cleaning ability, tree is added in silicon carbide micro-powder
In rouge, its wearability can be significantly improved, nonconducting red pigment is to make insulator surface take on a red color, and experiment surface is red
It can prevent birds from stopping, reflective agent makes insulator surface more dazzling, prevents birds from stopping.
Steps are as follows for the production method of aforementioned anti-fracture insulator：
(1), non-conductive fibre rope 7 is bound on upper steel plate 1 and lower steel plate 2, the 2 surrounding aperture of upper steel plate 1 and lower steel plate, insulation
The upper end of cordage 7 bypasses 1 outer of upper steel plate behind the hole of upper steel plate 1, then the upper end of non-conductive fibre rope 7 and non-conductive fibre
Rope 7 is bound together in itself, and the lower end of non-conductive fibre rope 7 bypasses 2 outer of lower steel plate behind the hole of lower steel plate 2, is then insulated
The lower end of cordage 7 is bound together in itself with non-conductive fibre rope 7.Method is tied up using such, prevents non-conductive fibre rope 7 from loosening.
(2), top nut 3 and lower nut 4 respectively connect a screw rod, and two screw rods is pulled to be tensioned non-conductive fibre rope 7, and
Built-in type strain gauge 12 is bound on non-conductive fibre rope.
(3), insulator body shaping mould and insulator body 5 and its shape of full skirt 6 cooperate, insulator body shaping mould
To be double-deck, cavity is set, the internal layer of insulator body shaping mould is uniform between the internal layer and outer layer of insulator body shaping mould
Stomata is set, the cavity of insulator body shaping mould connects exhaust tube, staple fiber 8 is sprinkling upon in insulator body shaping mould, and
It is evacuated by exhaust tube, so that staple fiber 8 is adsorbed in the stomata of the internal layer of insulator body shaping mould；
(4) by non-conductive fibre rope 7, upper steel plate 1 and lower steel plate 2 combination being tensioned in step (2) be put into insulator body at
In pattern, the signal cable of built-in type strain gauge 12 is extended to outside insulator body shaping mould.
(5), it is configured to the resin combination of production insulator body 5, the group of resin combination becomes：By weight
Meter, 200 parts of epoxy resin, 60 parts of 4-dimethylaminopyridine, 35 parts of benzoxazine resin, 50 parts of polytetrafluoroethylene (PTFE), ethoxy
30 parts of cellulose, 50 parts of carborundum powder, 30 parts of carbosphere, 3 parts of titanium dioxide, 3 parts of zinc oxide.Resin combination is mixed equal
It is even, and it is heated into fluid, fluid is pressurizeed in injection insulator body shaping mould, then cooling and solidifying obtains insulator body 5,
There is staple fiber burr on obtained 5 surface of insulator body, and staple fiber part and the resin combination consolidation of insulator body 5 are one
Body, partial denudation is outside.
(6), step (5) is obtained into insulator body 5 and is put into fixation in super-hydrophobic layer shaping mould, by the super thin of fluid state
Water layer material injects in super-hydrophobic layer shaping mould, and curing molding obtains super-hydrophobic layer 9.Coating can be selected in super-hydrophobic layer 9, preferably
Using resin composite materials, keep it more preferable with the associativity of insulator body 5.The group of super-hydrophobic layer becomes：By weight, have
100 parts of machine silicone resin or fluorocarbon resin, 30 parts of silicon carbide micro-powder, 15 parts of reflective agent, are not led at 35 parts super-hydrophobic of nano zine oxide
2 parts of the red pigment of electricity, 3 parts of age resister.The organic siliconresin is selected from dimethyl siloxane, the polyphenyl of ethenyl blocking
In methyl siloxane or trifluompropyl methyl polysiloxane any one or it is two or more；The fluorocarbon resin is selected from poly-
Vinylidene, polytetrafluoroethylene (PTFE), perfluoro methyl vinyl ether, in hexafluoropropene any one or it is two or more.
(7) after anti-fracture insulator molding, the signal cable of built-in type strain gauge 12 is connected into data acquisition unit 13, number
Monitoring center is connected by DTU module 14 according to acquisition unit 13, data acquisition unit 14 connects battery 15, and battery 15 connects
Power-supply controller of electric 16, power-supply controller of electric 16 connect solar panel 17.The data acquisition unit 13 is opened including analog signal
18, vibratory string signal conditioning circuit 19, analog-digital converter 20, microcontroller 21, memory 22 are closed, built-in type strain gauge 12 connects mould
Quasi- signaling switch 18, analog signal switch 18 connect vibratory string signal conditioning circuit 19, and vibratory string signal conditioning circuit 19 connects modulus
Converter 20, analog-digital converter 20 connect microcontroller 21, and microcontroller 21 connects memory 22 and DTU module 14.
(8), finally by 10 sets of protecting cover plate in top nut 3, loop-drive 11 is recruited in the 10 periphery setting of protecting cover plate, to play lightning protection effect
Fruit.
In use, monitor the stress at each position by least three built-in type strain gauges 12, when insulator flawless, three
The stress value of built-in type strain gauge 12 should approach, and mutual difference should be less than 10%, if it find that three built-in types are answered
The stress value difference for becoming meter 12 is greater than 10%, then shows occur crack in insulator, there is risk of breakage, replaces in time.
Claims (4)
1. a kind of production method of anti-fracture insulator, it is characterized in that：Anti-fracture insulator includes upper steel plate, lower steel plate, insulation
Sub- ontology, full skirt, non-conductive fibre rope, staple fiber, super-hydrophobic layer, several non-conductive fibre ropes of the interior setting of insulator body, upper steel plate
And lower steel plate, upper steel plate are equipped with top nut, top nut with upper steel plate be it is integrally formed, lower steel plate is equipped with lower nut, lower spiral shell
Mother be it is integrally formed with lower steel plate, the both ends of non-conductive fibre rope are bundled on upper steel plate and lower steel plate respectively, insulator body
At least three built-in type strain gauges of interior setting, height and position locating for each built-in type strain gauge is identical, and insulator body is equipped with
The surface of full skirt, insulator body and its full skirt is equipped with staple fiber, and super-hydrophobic layer is close-coupled at insulator sheet by staple fiber
The surface of body and its full skirt, insulator body upper end cover set protecting cover plate, and loop-drive is recruited in the outer ring setting of protecting cover plate；Making step is such as
Under：
（1）, non-conductive fibre rope bound on upper steel plate and lower steel plate, upper steel plate and lower steel plate surrounding aperture, non-conductive fibre rope
Upper end bypasses upper steel plate outer behind the hole of upper steel plate, and then the upper end of non-conductive fibre rope and non-conductive fibre rope itself are bundled in
Together, the lower end of non-conductive fibre rope pass through lower steel plate hole after bypass lower steel plate outer, then the lower end of non-conductive fibre rope and absolutely
Fibrae marginatae rope itself is bound together；
（2）, top nut and lower nut respectively connect a screw rod, pull two screw rods to be tensioned non-conductive fibre rope；And it is insulating
Built-in type strain gauge is bound in cordage；
（3）, insulator body shaping mould and insulator body and its full skirt shape cooperate, insulator body shaping mould is bilayer
, cavity is set between the internal layer and outer layer of insulator body shaping mould, and the internal layer of insulator body shaping mould is uniformly arranged gas
The cavity in hole, insulator body shaping mould connects exhaust tube, staple fiber is sprinkling upon in insulator body shaping mould, and pass through pumping
Pipe pumping, so that staple fiber is adsorbed in the stomata of the internal layer of insulator body shaping mould；
（4）, by step（2）Non-conductive fibre rope, upper steel plate and the lower steel plate combination of middle tensioning are put into insulator body shaping mould；
The signal cable of built-in type strain gauge is extended to outside insulator body shaping mould；
（5）, be configured to production insulator body resin combination, resin combination is uniformly mixed, and be heated into fluid,
Fluid is pressurizeed in injection insulator body shaping mould, then cooling and solidifying obtains insulator body, obtained insulator body
There is a staple fiber burr on surface, and the resin combination consolidation of staple fiber part and insulator body is integrated, and partial denudation is outside；
（6）, by step（5）It obtains insulator body and is put into fixation in super-hydrophobic layer shaping mould, by the super-hydrophobic layer of fluid state
Material injects in super-hydrophobic layer shaping mould, and curing molding obtains super-hydrophobic layer, to obtain the anti-breaking of built-in built-in type strain gauge
Split insulator；
（7）, after the molding of anti-fracture insulator, the signal cable of built-in type strain gauge is connected into data acquisition unit, data acquisition
Unit connects monitoring center by DTU module, and data acquisition unit connects battery, and battery connects power-supply controller of electric, power supply
Controller connects solar panel.
2. the production method of anti-fracture insulator according to claim 1, it is characterized in that：Data acquisition unit includes simulation
Signaling switch, vibratory string signal conditioning circuit, analog-digital converter, microcontroller, memory, built-in type strain gauge connect analog signal
Switch, analog signal switch connection vibratory string signal conditioning circuit, vibratory string signal conditioning circuit connect analog-digital converter, analog-to-digital conversion
Device connects microcontroller, and microcontroller connects memory and DTU module.
3. the production method of anti-fracture insulator according to claim 1, it is characterized in that：The resin combination of insulator body
The group of object becomes：200 parts of epoxy resin, 60 parts of 4- dimethyl aminopyridine, 35 parts of benzoxazine resin, polytetrafluoroethylene (PTFE) 50
Part, 30 parts of hydroxyethyl cellulose, 50 parts of carborundum powder, 30 parts of carbosphere, 3 parts of titanium dioxide, 3 parts of zinc oxide.
4. the production method of anti-fracture insulator according to claim 1, it is characterized in that：The group of super-hydrophobic layer becomes：Have
100 parts of machine silicone resin or fluorocarbon resin, 30 parts of silicon carbide micro-powder, 15 parts of reflective agent, are not led at 35 parts super-hydrophobic of nano zine oxide
2 parts of the red pigment of electricity, 3 parts of age resister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254997.7A CN107424691B (en) | 2017-04-19 | 2017-04-19 | A kind of production method of anti-fracture insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254997.7A CN107424691B (en) | 2017-04-19 | 2017-04-19 | A kind of production method of anti-fracture insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107424691A CN107424691A (en) | 2017-12-01 |
| CN107424691B true CN107424691B (en) | 2018-11-16 |
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| CN110342929B (en) * | 2019-08-21 | 2021-11-23 | 江西誉鹏电气集团有限公司 | Anti-aging ceramic insulator and preparation method thereof |
| CN111063495B (en) * | 2019-12-30 | 2021-10-22 | 国网山东省电力公司淄博供电公司 | Combined insulator |
| FR3138234A1 (en) * | 2022-07-20 | 2024-01-26 | Sediver | Insulator for overhead power lines with a mechanical load detection device |
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| SU932211A1 (en) * | 1980-10-03 | 1982-05-30 | Ленинградский Ордена Красного Знамени Механический Институт | Resistance strain gauge manufacturing method |
| CN1595548A (en) * | 2003-09-11 | 2005-03-16 | 马斌 | A composite insulator and method for producing same |
| CN105032731A (en) * | 2015-08-05 | 2015-11-11 | 北京航空航天大学 | Preparation method for energy-saving anti-icing/deicing coating combining super-hydrophobic coating and heating coating |
| CN105788775A (en) * | 2016-05-27 | 2016-07-20 | 国网湖南省电力公司 | Needle type composite insulator for 10 kV transmission line |
| CN106409442A (en) * | 2016-10-21 | 2017-02-15 | 国网新疆电力公司信息通信公司 | Composite suspension insulator and processing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU932211A1 (en) * | 1980-10-03 | 1982-05-30 | Ленинградский Ордена Красного Знамени Механический Институт | Resistance strain gauge manufacturing method |
| CN1595548A (en) * | 2003-09-11 | 2005-03-16 | 马斌 | A composite insulator and method for producing same |
| CN105032731A (en) * | 2015-08-05 | 2015-11-11 | 北京航空航天大学 | Preparation method for energy-saving anti-icing/deicing coating combining super-hydrophobic coating and heating coating |
| CN105788775A (en) * | 2016-05-27 | 2016-07-20 | 国网湖南省电力公司 | Needle type composite insulator for 10 kV transmission line |
| CN106409442A (en) * | 2016-10-21 | 2017-02-15 | 国网新疆电力公司信息通信公司 | Composite suspension insulator and processing method thereof |
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