CN107424691A - A kind of preparation method of anti-fracture insulator - Google Patents
A kind of preparation method of anti-fracture insulator Download PDFInfo
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- CN107424691A CN107424691A CN201710254997.7A CN201710254997A CN107424691A CN 107424691 A CN107424691 A CN 107424691A CN 201710254997 A CN201710254997 A CN 201710254997A CN 107424691 A CN107424691 A CN 107424691A
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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 field, it is related to a kind of preparation method of anti-fracture insulator, insulator body interior setting non-conductive fibre rope when being molded, 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 residing for each built-in type strain gauge is identical, then injection molding insulator body, and being molded makes the adsorption chopped fiber of mould, then reshaping super-hydrophobic layer, the signal cable of built-in type strain gauge is finally connected into data acquisition unit.The present invention sets built-in type strain gauge to monitor the stress of insulator diverse location in insulator body, so as to judge whether insulator generates crack.
Description
Technical field
The invention belongs to insulator technology field, is related to a kind of preparation method of anti-fracture insulator.
Background technology
Insulator is as part indispensable in transmission line of electricity, and dosage is very big, and insulator plays insulating effect, and insulator removes
Outside the insulating capacity of itself, the requirement of insulator surface is also very high, if insulator surface covers dirt, frozen, insulation
Performance can reduce, and influence to transmit electricity, and the distance between full skirt surface is referred to as creep age distance between insulator both ends, set the mesh of full skirt
Be exactly to prevent insulator surface pollution effect insulating properties.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 causes insulator structure to complicate, and adds insulator heavy burden, and install on the insulator
Icebreaking device and the clearing apparatus that drives of wind-force inherently may be conductive, influence creep age distance, attend trifles and neglect essentials.
As composite insulator is in the appearance of eighties of last century, compared to porcelain insulator, composite insulator has advantages below：Weight
Amount is light, and (the good and excellent electric property in light 1/3~4/5), explosion-proof performance than same voltage class porcelain, particularly can reach
Very high gradation for surface pollution.Composite insulator core is typically made up of epoxy resin and fiber, and in order to increase antifouling capacity, some
Although the surface coating super hydrophobic coating of composite insulator, super hydrophobic coating substantially improve anti-fouling effect, but general super thin
The ageing resistance of water paint in itself is poor, lightning impulse resistant power is poor, wearability deficiency, as usage time extends, exposes to the weather, also
Surface may be caused to peel off, lost antifouling capacity by unfirmly closing.
Once being broken, aerial condutor falls can produce serious security incident and cause insulator for high voltage transmission line
Huge economic loss, in order to prevent trouble before it happens, typically endeavour to increase by design of material in existing insulator design and insulate
The intensity of son, not yet find the report in monitoring insulator crack.
The content of the invention
The above situation based on prior art, the invention provides a kind of preparation method of anti-fracture insulator, insulating
Built-in type strain gauge is set in sub, by monitoring the stress of insulator diverse location, to judge whether insulator generates crack,
If producing crack, the insulator is changed in time, so as to reach the purpose to 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 preparation method of anti-fracture insulator, anti-fracture insulator include upper steel plate, lower steel plate, insulator body,
Full skirt, non-conductive fibre rope, chopped fiber, super-hydrophobic layer, insulator body is interior to set some non-conductive fibre rope, upper steel plate and lower steel
Plate, upper steel plate are provided with top nut, and top nut is integrally formed with upper steel plate, and lower steel plate is provided 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, is set in insulator body
At least three built-in type strain gauges, the height and position residing for each built-in type strain gauge is identical, and insulator body is provided with full skirt, absolutely
The surface of edge body and its full skirt is provided with chopped fiber, and super-hydrophobic layer is close-coupled at insulator body and its umbrella by chopped fiber
The surface of skirt, insulator body upper end cover set protecting cover plate, and the outer ring of protecting cover plate, which is set, recruits loop-drive；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 perforate, non-conductive fibre
The upper end of rope bypasses upper steel plate outer after passing through the hole of upper steel plate, and then the upper end of non-conductive fibre rope is tied up in itself with non-conductive fibre rope
It is scheduled on together, the lower end of non-conductive fibre rope is through the lower end that lower steel plate outer, then non-conductive fibre rope are bypassed behind the hole of lower steel plate
Bound together in itself with non-conductive fibre rope；
(2), top nut and lower nut each connect a screw rod, pull two screw rods 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 is with insulator body and its form fit of full skirt, insulator body shaping mould
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 put, the cavity connection exhaust tube of insulator body shaping mould, chopped fiber is sprinkling upon in insulator body shaping mould, and is passed through
Exhaust tube is evacuated so that chopped fiber is adsorbed in the stomata of the internal layer of insulator body shaping mould；
(4) the non-conductive fibre rope of tensioning, upper steel plate and lower steel plate combination 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 make the resin combination of insulator body, resin combination is well mixed, and is heated into
Fluid, fluid is pressurizeed in injection insulator body shaping mould, then cooling and solidifying obtains insulator body, obtained insulator
Body surface has a chopped fiber burr, and the resin combination consolidation of chopped 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
In water layer material injection super-hydrophobic layer shaping mould, curing molding obtains super-hydrophobic layer, so as to obtain built-in built-in type strain gauge
Anti-fracture insulator；
(7), after anti-fracture insulator shaping, the signal cable of built-in type strain gauge is connected into data acquisition unit, data
Collecting unit connects Surveillance center, data acquisition unit connection battery by DTU module, 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 connection analog signal switch, analog signal switch connection vibratory string signal condition
Circuit, vibratory string signal conditioning circuit connection analog-digital converter, analog-digital converter connection microcontroller, microcontroller connection memory
And DTU module.
Preferably, the composition of the resin combination of insulator body is：200 parts of epoxy resin, 4- dimethylamino pyrroles
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 composition of super-hydrophobic layer is：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.
The technique effect of the present invention：By monitoring the stress of insulator diverse location, to judge whether insulator generates
Crack, if producing crack, the insulator is changed in time, so as to reach the purpose to prevent trouble before it happens, avoids aerial condutor high-altitude
Fall.Chopped fiber is set in insulator body, super-hydrophobic layer is connected firmly by chopped 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
Ethene has good insulating properties, and using 4-dimethylaminopyridine as curing accelerator, hydroxyethyl cellulose is viscous for strengthening
Power is tied, carborundum and silica flour have good intensity as inorganic filler so that the insulator after shaping is unlikely to deform, and two
Titanium oxide and zinc oxide play a part of change system surface nature, make it be easier to bond with super-hydrophobic layer, titanium dioxide is also
Play a part of changing color.Nano zine oxide has super-hydrophobicity, and hardness is high, can improve surface nature so that insulation
The surface of son possesses automatical cleaning ability, and silicon carbide micro-powder is added in resin, can significantly improve its wearability, nonconducting red face
Material is that experiment surface red can prevent birds from stopping, and reflective agent causes insulator surface more in order that insulator surface takes on a red color
It is dazzling, prevent birds from stopping.
Brief description of the drawings
Fig. 1 is the anti-fracture insulator schematic diagram of the present 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. chopped 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 modules, 15. batteries, 16. power-supply controller of electric, 17. solar panels, 18. analog signals switch, 19. vibratory strings letter
Number modulate circuit, 20. analog-digital converters, 21. microcontrollers, 22. memories.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
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
Body 5, full skirt 6, non-conductive fibre rope 7, chopped fiber 8, super-hydrophobic layer 9, set in insulator body 5 some non-conductive fibre ropes 7, on
Steel plate 1 and lower steel plate 2, the both ends of non-conductive fibre rope 7 are bundled on upper steel plate 1 and lower steel plate 2, set in insulator body 5 respectively
There is a full skirt 6, the surface of insulator body 5 and its full skirt 6 is provided with chopped fiber 8, and super-hydrophobic layer 9 is close-coupled at by chopped fiber 8
The surface of insulator body 5 and its full skirt 6.Upper steel plate 1 is provided with top nut 3, top nut 3 with upper steel plate 1 be it is integrally formed,
Lower steel plate 2 is provided 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 use carbon fiber rope so that insulator, which sets up high-tension bus-bar, makes 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- body, and the height and position residing for each built-in type strain gauge 12 is identical, such as Fig. 2 institutes
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 Surveillance center, 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, is powered using solar panel 17 to built-in type strain gauge 12, and by stress value
Surveillance center is wirelessly transmitted to by DTU module 14.In order that the antifouling anti-icing effect of insulator is good, ensure effective creep age distance,
Super-hydrophobic layer 9, because the contact angle of super-hydrophobic layer 9 is big, the dirt such as water, dust are covered on the surface of insulator body 5 and its full skirt 6
Thing is difficult to be attached to its surface, serves self-cleaning effect, simultaneously as the contact angle of super-hydrophobic layer 9 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, easily peels off, and part prior art is used
Super-hydrophobic full skirt overcoat is made in super hydrophobic material, then super-hydrophobic full skirt overcoat is enclosed on core rod of insulator, such side
Formula super hydrophobic material dosage is big, and cost is high.And the present invention sets chopped fiber in insulator body 5, made by chopped fiber super-hydrophobic
Layer 9 is connected firmly, and solves 9 flaky problem of super-hydrophobic layer, while the super hydrophobic material dosage of super-hydrophobic layer 9 is smaller, into
This is relatively low.In order to solve Lightning Protection, the upper end cover of insulator body 5 sets protecting cover plate 10, and the outer ring of protecting cover plate 10, which is set, recruits loop-drive
11, recruit the diameter of loop-drive 11 to be more 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 so fixed conveniently, and facilitates insulator body 5 to be molded.
Reference picture 3, the data acquisition unit 13 include 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 composition of resin combination is：200 parts of epoxy resin, 4- dimethylaminos
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 used to strengthen cohesive force, and carborundum and silica flour are made
For inorganic filler, there is good intensity so that the insulator after shaping is unlikely to deform, and titanium dioxide and zinc oxide play change
The effect of system surface nature, it is set to be easier to bond with super-hydrophobic layer, titanium dioxide also acts as the effect for changing color.
The composition of super-hydrophobic layer is：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 and the surface of insulator possesses automatical cleaning ability, and silicon carbide micro-powder adds tree
In fat, its wearability can be significantly improved, nonconducting red pigment is that experiment surface is red in order that insulator surface takes on a red color
It can prevent birds from stopping, reflective agent make it that insulator surface is more dazzling, prevents birds from stopping.
The preparation method step of foregoing anti-fracture insulator is as follows：
(1), non-conductive fibre rope 7 is bound on upper steel plate 1 and lower steel plate 2, upper steel plate 1 and the surrounding perforate of lower steel plate 2, insulated
The upper end of cordage 7 bypasses the outer of upper steel plate 1 after passing through 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, then the lower end of non-conductive fibre rope 7 is insulated through the outer of lower steel plate 2 is bypassed behind the hole of lower steel plate 2
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 releasing.
(2), each a piece screw rod of connection, two screw rods of pulling are tensioned non-conductive fibre rope 7 for top nut 3 and lower nut 4, 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 form fit of full skirt 6, 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 connection exhaust tube of insulator body shaping mould, chopped fiber 8 is sprinkling upon in insulator body shaping mould, and
It is evacuated by exhaust tube so that chopped fiber 8 is adsorbed in the stomata of the internal layer of insulator body shaping mould；
(4) by the non-conductive fibre rope 7 of tensioning, upper steel plate 1 and the combination of lower steel plate 2 in step (2) be put into insulator body into
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 make the resin combination of insulator body 5, the composition of resin combination is：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 fluid is heated into, fluid is pressurizeed in injection insulator body shaping mould, then cooling and solidifying obtains insulator body 5,
There is chopped fiber burr on the obtained surface of insulator body 5, and chopped 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
In water layer material injection super-hydrophobic layer shaping mould, curing molding obtains super-hydrophobic layer 9.Coating can be selected in super-hydrophobic layer 9, preferably
Using resin composite materials, make it more preferable with the associativity of insulator body 5.The composition of super-hydrophobic layer is：By weight, have
100 parts of machine silicones or fluorocarbon resin, 35 parts super-hydrophobic of nano zine oxide, 30 parts of silicon carbide micro-powder, 15 parts of reflective agent, do not lead
2 parts of the red pigment of electricity, 3 parts of age resister.Described 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；Described fluorocarbon resin is selected from poly-
In vinylidene, polytetrafluoroethylene (PTFE), perfluoro methyl vinyl ether, hexafluoropropene any one or it is two or more.
(7) after anti-fracture insulator shaping, the signal cable of built-in type strain gauge 12 is connected into data acquisition unit 13, number
Surveillance center is connected by DTU module 14 according to collecting 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
Intend signaling switch 18, the connection vibratory string signal conditioning circuit 19 of analog signal switch 18, 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 protecting cover plate 10 is enclosed in top nut 3, the periphery of protecting cover plate 10, which is set, recruits loop-drive 11, to play lightning protection effect
Fruit.
In use, monitor the stress at each position by least three built-in type strain gauges 12, during 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 should
The stress value difference for becoming meter 12 is more than 10%, then shows occur crack in insulator, there is risk of breakage, changes in time.
Claims (4)
1. a kind of preparation method of anti-fracture insulator, it is characterized in that：Anti-fracture insulator includes upper steel plate, lower steel plate, insulation
Sub- body, full skirt, non-conductive fibre rope, chopped fiber, super-hydrophobic layer, insulator body is interior to set some non-conductive fibre ropes, upper steel plate
And lower steel plate, upper steel plate are provided with top nut, top nut is integrally formed with upper steel plate, and lower steel plate is provided with lower nut, lower spiral shell
Mother is integrally formed with lower steel plate, and 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, the height and position residing for each built-in type strain gauge is identical, and insulator body is provided with
The surface of full skirt, insulator body and its full skirt is provided with chopped fiber, and super-hydrophobic layer is close-coupled at insulator sheet by chopped fiber
The surface of body and its full skirt, insulator body upper end cover set protecting cover plate, and the outer ring of protecting cover plate, which is set, recruits loop-drive；Making step is such as
Under：
(1), non-conductive fibre rope is bound on upper steel plate and lower steel plate, upper steel plate and lower steel plate surrounding perforate, non-conductive fibre rope
Upper end bypasses upper steel plate outer after passing through the hole of upper steel plate, and then the upper end of non-conductive fibre rope is bundled in itself with non-conductive fibre rope
Together, the lower end of non-conductive fibre rope is through lower steel plate outer bypass behind the hole of lower steel plate, then the lower end of non-conductive fibre rope with it is exhausted
Fibrae marginatae rope is bound together in itself；
(2), top nut and lower nut each connect a screw rod, pull two screw rods to be tensioned non-conductive fibre rope；And insulating
Built-in type strain gauge is bound in cordage；
(3), insulator body shaping mould and insulator body and its form fit of full skirt, insulator body shaping mould are 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
Hole, the cavity connection exhaust tube of insulator body shaping mould, chopped fiber is sprinkling upon in insulator body shaping mould, and pass through pumping
Pipe is evacuated so that chopped fiber is adsorbed in the stomata of the internal layer of insulator body shaping mould；
(4) the non-conductive fibre rope of tensioning, upper steel plate and lower steel plate combination in step (2) 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), it is configured to make the resin combination of insulator body, resin combination is well mixed, and is 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 chopped fiber burr on surface, and the resin combination consolidation of chopped fiber part and insulator body is integrated, and partial denudation is outside；
(6) step (5), is obtained into insulator body and is put into fixation in super-hydrophobic layer shaping mould, by the super-hydrophobic layer of fluid state
In material injection super-hydrophobic layer shaping mould, curing molding obtains super-hydrophobic layer, so as to obtain the anti-breaking of built-in built-in type strain gauge
Split insulator；
(7), after anti-fracture insulator shaping, the signal cable of built-in type strain gauge is connected into data acquisition unit, data acquisition
Unit connects Surveillance center, data acquisition unit connection battery, battery connection power-supply controller of electric, power supply by DTU module
Controller connects solar panel.
2. the preparation 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 connection analog signal
Switch, analog signal switch connection vibratory string signal conditioning circuit, vibratory string signal conditioning circuit connection analog-digital converter, analog-to-digital conversion
Device connects microcontroller, microcontroller connection memory and DTU module.
3. the preparation method of anti-fracture insulator according to claim 1, it is characterized in that：The resin combination of insulator body
The composition of thing is：200 parts of epoxy resin, 60 parts of 4-dimethylaminopyridine, 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 preparation method of anti-fracture insulator according to claim 1, it is characterized in that：The composition of super-hydrophobic layer is：Have
100 parts of machine silicones or fluorocarbon resin, 35 parts super-hydrophobic of nano zine oxide, 30 parts of silicon carbide micro-powder, 15 parts of reflective agent, do not lead
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 true CN107424691A (en) | 2017-12-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110342929A (en) * | 2019-08-21 | 2019-10-18 | 江西誉鹏电气集团有限公司 | A kind of ageing-resistant ceramic insulator and preparation method thereof |
| CN111063495A (en) * | 2019-12-30 | 2020-04-24 | 国网山东省电力公司淄博供电公司 | Combined insulator |
| WO2024017658A1 (en) | 2022-07-20 | 2024-01-25 | Sediver | Insulator for aerial electrical lines with a mechanical load detection device |
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| WO2024017658A1 (en) | 2022-07-20 | 2024-01-25 | Sediver | Insulator for aerial electrical lines with a mechanical load detection device |
| FR3138234A1 (en) * | 2022-07-20 | 2024-01-26 | Sediver | Insulator for overhead power lines with a mechanical load detection device |
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| CN107424691B (en) | 2018-11-16 |
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