CN105907091A - Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof - Google Patents

Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof Download PDF

Info

Publication number
CN105907091A
CN105907091A CN201610382520.2A CN201610382520A CN105907091A CN 105907091 A CN105907091 A CN 105907091A CN 201610382520 A CN201610382520 A CN 201610382520A CN 105907091 A CN105907091 A CN 105907091A
Authority
CN
China
Prior art keywords
pole
solid
insulant
sealed polar
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610382520.2A
Other languages
Chinese (zh)
Inventor
王茂玉
齐大翠
刘良
郝凡宇
刘随军
廉继英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Global Energy Interconnection Research Institute
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Global Energy Interconnection Research Institute
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd, Global Energy Interconnection Research Institute, Pinggao Group Co Ltd, Tianjin Pinggao Intelligent Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610382520.2A priority Critical patent/CN105907091A/en
Publication of CN105907091A publication Critical patent/CN105907091A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76498—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76595—Velocity
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/004—Additives being defined by their length
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

Belonging to the technical field of solid-sealed polar poles, the invention relates to an insulating material for solid-sealed polar poles, a solid-sealed polar pole and a preparation method thereof. The insulating material for solid-sealed polar poles is prepared from the following components by weight percentage: 25.0%-28.0% of nylon, 48.0%-51.5% of glass fiber, 2.0%-3.0% of a toughening agent, 20.0%-23.0% of a flame retardant, 0.2% of an antioxidant, 0.3% of a lubricant, and 1.0% of color masterbatch. The toughening agent is ethylene propylene diene monomer; the lubricant is a fatty acid ester lubricant; and the color masterbatch is carbon black. The insulating material for solid-sealed polar poles provided by the invention adopts nylon and glass fiber, guarantees the mechanical strength and electrical properties, at the same time can effectively reduce the thickness of an insulation shell outside the solid-sealed polar pole, and the solid-sealed polar pole insulation shell prepared from the insulating material for solid-sealed polar poles provided by the invention only requires a thickness of 3-5mm.

Description

A kind of pole insulant, pole and preparation method thereof
Technical field
The present invention relates to a kind of pole insulant, pole and preparation method thereof, belong to pole technology neck Territory.
Background technology
Middle pressure ring main unit gas-insulated uses SF the most mostly6Gas, SF6Gas chemistry is highly stable, has excellence Insulation and arc extinction performance, apply quite varied in power equipment.SF6The volume of gas insulation switch cabinet is little, compact conformation, Not affected by outside environmental elements, adaptability is extremely strong.But, SF6Gas is one of internationally recognized six kinds of greenhouse gases, From the angle of environmental conservation, it should few with or without SF6Gas.Along with the progress of insulant technology, based on epoxy resin Solid-state ring main unit obtained tremendous development.
Along with the development of technology, people also improve constantly for the prescription of middle voltage electrical product, pressure ring in particularly requiring Net cabinet has less volume lighter.In order to improve the safety of product, current solid-state ring main unit utilizes asphalt mixtures modified by epoxy resin Modular unit bus-bar system, cable connector, vacuum interrupter are carried out integrated cast by fat, define an epoxy resin Insulation shell, but owing to epoxy resin has certain limitation at the aspect such as mechanical strength, electrical insulation properties, its Cast layer thickness is substantially 10～12mm so that although solid-state ring main unit achieves the integrated of device, but its volume is still Relatively big, promote with gas-insulated ring network cabinet phase specific mass, but volume has not reduced, and limits the application of solid-state ring main unit Scope is restricted.
Summary of the invention
It is an object of the invention to provide a kind of pole insulant that can reduce pole volume.The present invention's Purpose also resides in a kind of pole using above-mentioned insulant of offer and preparation method thereof.
In order to realize object above, the technical scheme of the pole insulant of the present invention is as follows:
A kind of pole insulant, is made up of the component of following percentage by weight: nylon 25.0%-28.0%, glass Fiber 48.0%-51.5%, toughener 2.0%-3.0%, fire retardant 20.0%-23.0%, antioxidant 0.2%, lubricant 0.3%, Color masterbatch 1.0%；Described toughener is ethylene propylene diene rubber；Described lubricant is fatty acid ester type emollients；Color masterbatch is white carbon black.
Described nylon is nylon commonly used in the prior art, general, preferably PA66.
Described glass fibre is preferably short glass fiber.It is further preferred that the filament diameter of short glass fiber is 10 ± 2 μm, a length of 3.0-4.0mm.
Described fire retardant is phosphorus flame retardant.Preferably, fire retardant is APP.
Described antioxidant is hindered phenol type antioxidant, general, and described hindered phenol type antioxidant is hexamethylene diamine hindered phenol type antioxygen One or more in agent, organic phosphite antioxidant.It is obstructed it is further preferred that hindered phenol type antioxidant is hexamethylene diamine Phenol type antioxidant and organic phosphite antioxidant, the two collaborative use.It is further preferred that hexamethylene diamine hindered phenol type antioxygen Agent is N, N-pair-(3-(3,5-di-t-butyl-4 hydroxy phenyl) propiono) hexamethylene diamine, organic phosphite antioxygen Agent is three (2,4-di-tert-butyl-phenyl) phosphite ester (irgasfos 168).
Described toughener is EP rubbers (EPDM).More preferably graft type EP rubbers, as maleic anhydride is grafted EPDM. Described lubricant is fatty acid ester type emollients, such as tetramethylolmethane four fatty acid ester.It is further preferred that tetramethylolmethane four fat Fat acid esters is tetramethylolmethane four n-butyric acie ester.Color masterbatch is preferably PA graft carbon black master batch.
The technical scheme of the pole of the present invention is as follows:
A kind of pole, including insulation shell, described insulation shell uses above-mentioned pole to be made from an insulative material.
It is provided with vacuum interrupter in described insulation shell and is divided into upper terminal and the lower terminal at the upper and lower two ends of arc-chutes.
Described upper terminal include with vacuum interrupter be connected on be connected end and the upper leading-out terminal for wiring, described upper terminal It is connected between upper connection end and upper leading-out terminal and has extension, upper connection end, extension, the Z-shape setting of upper leading-out terminal, and prolong Long section downwardly extends from upper connection end, makes leading-out terminal be less than the height connecting end at vertical direction at the height of vertical direction Degree.
Described insulation shell is provided with full skirt, described full skirt bag in the part between vacuum interrupter and upper terminal extension Include horizontally extending full skirt plate, the two ends of described full skirt plate respectively with the insulation shell outside vacuum interrupter and extension Body portion is fixing to be connected.
Lower terminal include for vacuum interrupter be connected lower end and the lower wire end for wiring of being connected, upper leading-out terminal and under Leading-out terminal is separately positioned on the left and right sides of vacuum interrupter.
The technical scheme of the preparation method of the pole of the present invention is as follows:
The preparation method of above-mentioned pole, including: pole parts and casting die are preheated, by pole Parts are placed in mould；Feedstock nylon, glass fibre, toughener, fire retardant, antioxidant, lubricant, color masterbatch are mixed Close, add and inject molding in mold cavity after heat fusing, the demoulding and get final product.
Described heating is melted in injection machine and carries out, and the heating-up temperature of injecting machine material tube uses six segmentations to set: first paragraph as 270-290 DEG C, second segment be 270-290 DEG C, the 3rd section be 260-280 DEG C, the 4th section for 250-270 DEG C, the 5th section be 240-260 DEG C, the 6th section is 230-250 DEG C.
The storing of injection machine is penetrated and is moved back three sections of settings of employing: position is respectively 40cm, 80cm, 230cm, and the pressure of three sections is respectively For 6MPa, 8MPa, 8MPa, speed is 35%, and back pressure is 0.4MPa；Three sections injection pressure be respectively 3.5MPa, 6.5MPa, 8MPa, speed is 20%, 50%, 80%.
The hot flow path temperature of described injection machine is set as 260-310 DEG C.
The temperature of described pole parts preheating is 160 DEG C.The temperature of described mould preheating is 120 DEG C.
The outer surface of the vacuum interrupter in described pole parts carries out removing surface before preheating, and coats primary coat Liquid.
The pole of present invention insulant uses nylon and glass fibre, is ensureing mechanical strength and electric property Meanwhile, it is capable to effectively reduce the thickness of the insulation shell outside pole, use the pole insulation material of the present invention The thickness of the pole insulation shell that material is made only needs 3-5mm.The pole insulant of the present invention adds increasing Tough dose, fire retardant, antioxidant, lubricant, color masterbatch, the hot strength of the insulation shell of the pole made exists More than 130MPa, dielectric breakdown strength more than 220 DEG C, have the machinery of excellence in more than 30kV/mm, heat distortion temperature Performance, and the beneficially production demoulding.Owing to adding fire retardant, the insulant of the present invention also has stronger resistance Combustion property.
The pole insulant of the present invention has the mechanical performance of excellence, electrical property, low-down molding shrinkage Rate, low-down water absorption etc., be suitable in terms of miniature circuit breaker, earth leakage protective, catalyst extensively applying, At mesohigh insulation applications, there is huge development potentiality.
The insulation crust of the pole of the present invention uses above-mentioned insulant to make, and thickness is less, and this density of material Less, be conducive to alleviating the lighting of the total quality of pole, beneficially pole and ring main unit.Use this material The pole entirety of material does not has wedge angle, the equal rounding off of all transition portions, and engineering plastics thickness of shell is uniform, thus The distribution of pole surrounding electric field is visibly homogeneous, does not results in that electric field is excessive, concentrates, thus avoids the product of flashover and corona Raw.Further, upper terminal is designed as Z-type shape, can be by connected for the wire outlet part of upper terminal Partial Transformation to pole Post centre position, thus reduce ring main unit width or the purpose of height.Further, the pole of the present invention Terminal up and down be respectively placed in arc-chutes both sides, it is possible to effective reduce height dimension between upper and lower terminal, simplify structure, Improve electric property.Avoid the tradition upper and lower terminal of pole and be positioned at arc-chutes homonymy upper-lower position, need upper and lower terminal Between keep the problem of enough insulation distance.The pole top of the present invention can be by prior art to the distance of lower terminal In 250mm be reduced to about 170mm.
The preparation method of the pole of the present invention easily operates, and easily realizes automated production, and its processing link is relative to existing The epoxy resin pole in technology is had to reduce the most accordingly so that the quality of the product that the method for the present invention is prepared more is held Easy to control, save human resources simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pole in embodiments of the invention 1；
Fig. 2 is the structural representation of the ring main unit in embodiments of the invention 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
Embodiment 1
The pole insulant of the present embodiment, is made up of the component of following percentage by weight: nylon 25.0%, glass Fiber 51.5%, toughener 2.0%, fire retardant 20.0%, antioxidant 0.2%, lubricant 0.3%, color masterbatch 1.0%；Wherein Nylon is polyhexamethylene adipamide PA66, and glass fibre is short glass fiber, concrete, and the monofilament of short glass fiber is straight Footpath is 10 ± 2 μm, a length of 3.0mm, toughener be graft type be graft type EP rubbers, specially maleic anhydride grafting Ethylene propylene diene rubber EPDM, fire retardant is phosphorus flame retardant APP, and antioxidant is that hindered phenol type antioxidant hexamethylene diamine is subject to Hindered phenol type anti-oxidant, specially N, N-pair-(3-(3,5-di-t-butyl-4 hydroxy phenyl) propiono) hexamethylene diamine, profit Lubrication prescription is fatty acid ester tetramethylolmethane four fatty acid ester, specially tetramethylolmethane four n-butyric acie ester, and color masterbatch is PA graft carbon black Master batch.
As it is shown in figure 1, the pole of the present embodiment includes insulation shell 201 and the sealing upper terminal in insulation shell 203, vacuum interrupter 202, lower terminal 204, insulation shell uses above-mentioned pole to be made from an insulative material, upper terminal With the both sides up and down that lower terminal is divided into vacuum interrupter, upper terminal include with vacuum interrupter be connected on be connected end 2031 With the upper leading-out terminal 2033 for wiring, lower terminal includes for lower being connected end and for wiring with vacuum interrupter is connected Lower wire end, upper leading-out terminal and lower wire end be separately positioned on the left and right sides of vacuum interrupter, the upper connection end of upper terminal with Between upper leading-out terminal connect have extension 2032, upper connection end, extension, the Z-shape setting of upper leading-out terminal, and extension from Upper connection end downwardly extends, and makes leading-out terminal be less than the height connecting end at vertical direction at the height of vertical direction.Described Insulation shell is provided with full skirt 205 in the part between vacuum interrupter and upper terminal extension, described full skirt includes edge Horizontal direction extend full skirt plate, the two ends of described full skirt plate respectively with the insulation shell body outside vacuum interrupter and extension Divide fixing connection.
The preparation method of above-mentioned pole, comprises the steps:
1) vacuum interrupter cleaning of outer surface is clean, coat primary coat liquid, vacuum interrupter, upper terminal, lower terminal are put Enter in the baking oven of 160 DEG C and preheat；
Mould is preheated to 120 DEG C；Vacuum interrupter, upper terminal, lower terminal are put in mould；
After feedstock nylon, glass fibre, toughener, fire retardant, antioxidant, lubricant, color masterbatch are blended, through twin screw Extrusion modification prepares insulant batch mixing, and this insulant batch mixing is dried 4hr at 80 DEG C；
2) dried material is added in injection machine, after adding heat fusing, inject molding in mold cavity, the demoulding and get final product；
Injecting machine material tube temperature uses six segmentations to set: first paragraph as 270 DEG C, second segment as 270 DEG C, the 3rd section be 260 DEG C, 4th section is 250 DEG C, the 5th section to be 240 DEG C, the 6th section is 230 DEG C；The upper deviation that temperature sets is less than 50 DEG C, under Deviation is less than 30 DEG C；The storing of injection machine is penetrated and is moved back three sections of settings of employing: position is respectively 40cm, 80cm, 230cm, and three The pressure of section is respectively 6MPa, 8MPa, 8MPa, and speed is 35%, and back pressure is 0.4MPa；The pressure of three sections of injections divides Not Wei 3.5MPa, 6.5MPa, 8MPa, speed is 20%, 50%, 80%；Hot flow path temperature is set as 260 DEG C.
As in figure 2 it is shown, the ring main unit of the present embodiment includes cabinet 1 and the above-mentioned pole 2 being arranged in cabinet, described Connect on the upper terminal of pole and have quiet end connecting portion 3.
Embodiment 2
The pole insulant of the present embodiment, is made up of the component of following percentage by weight: nylon 26.5%, glass Fiber 49.0%, toughener 2.0%, fire retardant 21.0%, antioxidant 0.2%, lubricant 0.3%, color masterbatch 1.0%；Wherein Nylon is polyhexamethylene adipamide PA66, and glass fibre is short glass fiber, concrete, and the monofilament of short glass fiber is straight Footpath is 10 ± 2 μm, a length of 4.0mm, toughener be graft type be graft type EP rubbers, specially maleic anhydride grafting Ethylene propylene diene rubber EPDM, fire retardant is phosphorus flame retardant APP, and antioxidant is that hindered phenol type antioxidant hexamethylene diamine is subject to Hindered phenol type anti-oxidant, specially N, N-pair-(3-(3,5-di-t-butyl-4 hydroxy phenyl) propiono) hexamethylene diamine, profit Lubrication prescription is fatty acid ester tetramethylolmethane four fatty acid ester, specially tetramethylolmethane four n-butyric acie ester, and color masterbatch is PA graft carbon black Master batch.
The pole of the present embodiment include insulation shell and the sealing upper terminal in insulation shell, vacuum interrupter, under Terminal, insulation shell uses above-mentioned pole to be made from an insulative material, and upper terminal and lower terminal are divided into vacuum interrupter Up and down both sides, upper terminal include being connected with vacuum interrupter on be connected end and the upper leading-out terminal for wiring, lower terminal includes Being used for the lower lower wire end being connected end and being used for wiring being connected with vacuum interrupter, upper leading-out terminal and lower wire end are respectively provided with In the left and right sides of vacuum interrupter, it is connected between upper connection end and the upper leading-out terminal of upper terminal and has extension, upper connection end, Extension, the Z-shape setting of upper leading-out terminal, and extension downwardly extend from upper connection end, make leading-out terminal at vertical direction Highly it is less than the upper connection end height at vertical direction.Described insulation shell is between vacuum interrupter and upper terminal extension Part on be provided with full skirt, described full skirt includes horizontally extending full skirt plate, the two ends of described full skirt plate respectively with Insulating housing portion outside vacuum interrupter and extension is fixing to be connected.
The preparation method of above-mentioned pole, comprises the steps:
1) vacuum interrupter cleaning of outer surface is clean, coat primary coat liquid, vacuum interrupter, upper terminal, lower terminal are put Enter in the baking oven of 160 DEG C and preheat；
Mould is preheated to 120 DEG C；Vacuum interrupter, upper terminal, lower terminal are put in mould；
After feedstock nylon, glass fibre, toughener, fire retardant, antioxidant, lubricant, color masterbatch are blended, through twin screw Extrusion modification prepares insulant batch mixing, and this insulant batch mixing is dried 4hr at 95 DEG C；
2) dried material is added in injection machine, after adding heat fusing, inject molding in mold cavity, the demoulding and get final product；
Injecting machine material tube temperature uses six segmentations to set: first paragraph as 290 DEG C, second segment as 290 DEG C, the 3rd section be 280 DEG C, 4th section is 270 DEG C, the 5th section to be 260 DEG C, the 6th section is 250 DEG C；The upper deviation that temperature sets is less than 50 DEG C, under Deviation is less than 30 DEG C；The storing of injection machine is penetrated and is moved back three sections of settings of employing: position is respectively 40cm, 80cm, 230cm, and three The pressure of section is respectively 6MPa, 8MPa, 8MPa, and speed is 35%, and back pressure is 0.4MPa；The pressure of three sections of injections Being respectively 3.5MPa, 6.5MPa, 8MPa, speed is 20%, 50%, 80%；Hot flow path temperature is set as 310 DEG C.
The ring main unit of the present embodiment includes cabinet and the above-mentioned pole being arranged in cabinet, the upper terminal of described pole Upper connection has quiet end connecting portion.
Embodiment 3
The pole insulant of the present embodiment, is made up of the component of following percentage by weight: nylon 28.0%, glass Fiber 48.0%, toughener 2.5%, fire retardant 20.0%, antioxidant 0.2%, lubricant 0.3%, color masterbatch 1.0%；Wherein Nylon is polyhexamethylene adipamide PA66, and glass fibre is short glass fiber, concrete, and the monofilament of short glass fiber is straight Footpath is 10 ± 2 μm, a length of 4.0mm, toughener be graft type be graft type EP rubbers, specially maleic anhydride grafting Ethylene propylene diene rubber EPDM, fire retardant is phosphorus flame retardant APP, antioxidant be hexamethylene diamine hindered phenol type antioxidant with The mixing antioxidant of organic phosphite antioxidant composition, concrete hexamethylene diamine hindered phenol type antioxidant is N, N-couple-(3- (3,5-di-t-butyl-4 hydroxy phenyl) propiono) hexamethylene diamine, organic phosphite antioxidant is three (2,4-di-t-butyls Phenyl) phosphite ester (irgasfos 168), the mass ratio of the two is 1:1, and lubricant is fatty acid ester tetramethylolmethane four fat Acid esters, specially tetramethylolmethane four n-butyric acie ester, color masterbatch is PA graft carbon black master batch.
The pole of the present embodiment include insulation shell and the sealing upper terminal in insulation shell, vacuum interrupter, under Terminal, insulation shell uses above-mentioned pole to be made from an insulative material, and upper terminal and lower terminal are divided into vacuum interrupter Up and down both sides, upper terminal include being connected with vacuum interrupter on be connected end and the upper leading-out terminal for wiring, lower terminal includes Being used for the lower lower wire end being connected end and being used for wiring being connected with vacuum interrupter, upper leading-out terminal and lower wire end are respectively provided with In the left and right sides of vacuum interrupter, it is connected between upper connection end and the upper leading-out terminal of upper terminal and has extension, upper connection end, Extension, the Z-shape setting of upper leading-out terminal, and extension downwardly extend from upper connection end, make leading-out terminal at vertical direction Highly it is less than the upper connection end height at vertical direction.Described insulation shell is between vacuum interrupter and upper terminal extension Part on be provided with full skirt, described full skirt includes horizontally extending full skirt plate, the two ends of described full skirt plate respectively with Insulating housing portion outside vacuum interrupter and extension is fixing to be connected.
The preparation method of above-mentioned pole, comprises the steps:
1) vacuum interrupter cleaning of outer surface is clean, coat primary coat liquid, vacuum interrupter, upper terminal, lower terminal are put Enter in the baking oven of 160 DEG C and preheat；
Mould is preheated to 120 DEG C；Vacuum interrupter, upper terminal, lower terminal are put in mould；
After feedstock nylon, glass fibre, toughener, fire retardant, antioxidant, lubricant, color masterbatch are blended, through twin screw Extrusion modification prepares insulant batch mixing, and this insulant batch mixing is dried 4hr at 85 DEG C；
2) raw material after heating plasticizing is added in injection machine, after adding heat fusing, inject molding in mold cavity, the demoulding and get final product；
Injecting machine material tube temperature uses six segmentations to set: first paragraph as 280 DEG C, second segment as 280 DEG C, the 3rd section be 270 DEG C, 4th section is 260 DEG C, the 5th section to be 250 DEG C, the 6th section is 240 DEG C；The upper deviation that temperature sets is less than 50 DEG C, under Deviation is less than 30 DEG C；The storing of injection machine is penetrated and is moved back three sections of settings of employing: position is respectively 40cm, 80cm, 230cm, and three The pressure of section is respectively 6MPa, 8MPa, 8MPa, and speed is 35%, and back pressure is 0.4MPa；The pressure of three sections of injections Being respectively 3.5MPa, 6.5MPa, 8MPa, speed is 20%, 50%, 80%；Hot flow path temperature is set as 280 DEG C.
The ring main unit of the present embodiment includes cabinet and the above-mentioned pole being arranged in cabinet, the upper terminal of described pole Upper connection has quiet end connecting portion.
Embodiment 4
The pole insulant of the present embodiment, is made up of the component of following percentage by weight: nylon 25.0%, glass Fiber 48.0%, toughener 3%, fire retardant 22.5%, antioxidant 0.2%, lubricant 0.3%, color masterbatch 1.0%；Wherein Buddhist nun Dragon is polyhexamethylene adipamide PA66, and glass fibre is short glass fiber, concrete, the filament diameter of short glass fiber Be 10 ± 2 μm, a length of 3.5mm, toughener be graft type be graft type EP rubbers, specially maleic anhydride grafting Ethylene propylene diene rubber EPDM, fire retardant is phosphorus flame retardant APP, and antioxidant is hexamethylene diamine hindered phenol type antioxidant and have The mixing antioxidant of machine phosphite antioxidant composition, concrete hexamethylene diamine hindered phenol type antioxidant is N, N-couple-(3-(3,5- Di-t-butyl-4 hydroxy phenyl) propiono) hexamethylene diamine, organic phosphite antioxidant is three (2,4-di-tert-butyl-phenyls) Phosphite ester (irgasfos 168), the mass ratio of the two is 1:1, and lubricant is fatty acid ester tetramethylolmethane four fatty acid ester, Being specially tetramethylolmethane four n-butyric acie ester, color masterbatch is PA graft carbon black master batch.
The pole of the present embodiment include insulation shell and the sealing upper terminal in insulation shell, vacuum interrupter, under Terminal, insulation shell uses above-mentioned pole to be made from an insulative material, and upper terminal and lower terminal are divided into vacuum interrupter Up and down both sides, upper terminal include being connected with vacuum interrupter on be connected end and the upper leading-out terminal for wiring, lower terminal includes Being used for the lower lower wire end being connected end and being used for wiring being connected with vacuum interrupter, upper leading-out terminal and lower wire end are respectively provided with In the left and right sides of vacuum interrupter, it is connected between upper connection end and the upper leading-out terminal of upper terminal and has extension, upper connection end, Extension, the Z-shape setting of upper leading-out terminal, and extension downwardly extend from upper connection end, make leading-out terminal at vertical direction Highly it is less than the upper connection end height at vertical direction.Described insulation shell is between vacuum interrupter and upper terminal extension Part on be provided with full skirt, described full skirt includes horizontally extending full skirt plate, the two ends of described full skirt plate respectively with Insulating housing portion outside vacuum interrupter and extension is fixing to be connected.
The preparation method of above-mentioned pole, comprises the steps:
1) vacuum interrupter cleaning of outer surface is clean, coat primary coat liquid, vacuum interrupter, upper terminal, lower terminal are put Enter in the baking oven of 160 DEG C and preheat；
Mould is preheated to 120 DEG C；Vacuum interrupter, upper terminal, lower terminal are put in mould；
After feedstock nylon, glass fibre, toughener, fire retardant, antioxidant, lubricant, color masterbatch are blended, through twin screw Extrusion modification prepares insulant batch mixing, and this insulant batch mixing is dried 4hr at 85 DEG C；
2) raw material after heating plasticizing is added in injection machine, after adding heat fusing, inject molding in mold cavity, the demoulding and get final product；
Injecting machine material tube temperature uses six segmentations to set: first paragraph as 280 DEG C, second segment as 280 DEG C, the 3rd section be 270 DEG C, 4th section is 260 DEG C, the 5th section to be 250 DEG C, the 6th section is 240 DEG C；The upper deviation that temperature sets is less than 50 DEG C, under Deviation is less than 30 DEG C；The storing of injection machine is penetrated and is moved back three sections of settings of employing: position is respectively 40cm, 80cm, 230cm, and three The pressure of section is respectively 6MPa, 8MPa, 8MPa, and speed is 35%, and back pressure is 0.4MPa；The pressure of three sections of injections divides Not Wei 3.5MPa, 6.5MPa, 8MPa, speed is 20%, 50%, 80%；Hot flow path temperature is set as 280 DEG C.
The ring main unit of the present embodiment includes cabinet and the above-mentioned pole being arranged in cabinet, the upper terminal of described pole Upper connection has quiet end connecting portion.
The thickness of the pole insulation shell that the pole of the employing present invention is made from an insulative material only needs 3-5mm.This The hot strength of the insulation shell of bright pole more than 130MPa, dielectric breakdown strength more than 30kV/mm, heat Deformation temperature, more than 220 DEG C, has the mechanical performance of excellence, and the beneficially production demoulding.The sealing of the present invention Pole top can be reduced to about 170mm by 250mm of the prior art to the distance of lower terminal.

Claims (10)

1. a pole insulant, it is characterised in that be made up of the component of following percentage by weight: nylon 25.0%-28.0%, glass fibre 48.0%-51.5%, toughener 2.0%-3.0%, fire retardant 20.0%-23.0%, antioxidant 0.2%, lubricant 0.3%, color masterbatch 1.0%；Described toughener is ethylene propylene diene rubber；Described lubricant is fatty acid ester Lubricant；Described color masterbatch is white carbon black.
Pole insulant the most according to claim 1, it is characterised in that described nylon is PA66.
Pole insulant the most according to claim 1, it is characterised in that described antioxidant is that hexamethylene diamine is subject to One or more in hindered phenol type anti-oxidant, organic phosphite antioxidant.
Pole insulant the most according to claim 1, it is characterised in that described fire retardant is APP.
5. a pole, including insulation shell, it is characterised in that described insulation shell uses as claimed in claim 1 Insulant make.
6. the preparation method of pole as claimed in claim 5, it is characterised in that including:
Pole parts and injection mold are preheated, pole parts are placed in mould；By granular described Insulant is the driest, adds and injects molding in mold cavity after heat fusing, the demoulding and get final product.
The preparation method of pole the most according to claim 6, it is characterised in that described heating is melted in injection machine In carry out, injecting machine material tube temperature uses six segmentations to set: first paragraph as 270-290 DEG C, second segment as 270-290 DEG C, 3rd section be 260-280 DEG C, the 4th section be 250-270 DEG C, the 5th section be 240-260 DEG C, the 6th section be 230-250 DEG C.
The preparation method of pole the most according to claim 7, it is characterised in that the storing of injection machine is penetrated and moved back employing Three sections of settings: position is respectively 40cm, 80cm, 230cm, and pressure is respectively 6MPa, 8MPa, 8MPa, and speed is 35%, Back pressure is 0.4MPa；The pressure of three sections of injections are respectively 3.5MPa, 6.5MPa, 8MPa, speed is 20%, 50%, 80%.
The preparation method of pole the most according to claim 7, it is characterised in that injection machine hot flow path temperature sets For 260-310 DEG C.
The preparation method of pole the most according to claim 6, it is characterised in that described pole parts The temperature of preheating is 160 DEG C, and the temperature of described mould preheating is 120 DEG C.
CN201610382520.2A 2016-06-01 2016-06-01 Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof Pending CN105907091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610382520.2A CN105907091A (en) 2016-06-01 2016-06-01 Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610382520.2A CN105907091A (en) 2016-06-01 2016-06-01 Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof

Publications (1)

Publication Number Publication Date
CN105907091A true CN105907091A (en) 2016-08-31

Family

ID=56742806

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610382520.2A Pending CN105907091A (en) 2016-06-01 2016-06-01 Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105907091A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109103047A (en) * 2018-08-27 2018-12-28 巨东电气有限公司 A kind of pole of electric power
CN111863485A (en) * 2020-06-30 2020-10-30 国网电力科学研究院有限公司 Circuit breaker pole part and manufacturing method thereof
CN112552678A (en) * 2020-11-23 2021-03-26 新疆特变电工自控设备有限公司 Insulating part for 12KV bus sleeve and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102800524A (en) * 2012-08-09 2012-11-28 上海广电电气(集团)股份有限公司 Solid-sealed polar pole with engineering plastic insulating casing
CN105585843A (en) * 2016-03-10 2016-05-18 广州市聚赛龙工程塑料有限公司 Low-precipitation red-phosphorus flame-retardant nylon material and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102800524A (en) * 2012-08-09 2012-11-28 上海广电电气(集团)股份有限公司 Solid-sealed polar pole with engineering plastic insulating casing
CN105585843A (en) * 2016-03-10 2016-05-18 广州市聚赛龙工程塑料有限公司 Low-precipitation red-phosphorus flame-retardant nylon material and preparation method and application thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109103047A (en) * 2018-08-27 2018-12-28 巨东电气有限公司 A kind of pole of electric power
CN111863485A (en) * 2020-06-30 2020-10-30 国网电力科学研究院有限公司 Circuit breaker pole part and manufacturing method thereof
CN112552678A (en) * 2020-11-23 2021-03-26 新疆特变电工自控设备有限公司 Insulating part for 12KV bus sleeve and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN105907091A (en) Insulating material for solid-sealed polar poles, solid-sealed polar pole and preparation method thereof
CN101268536B (en) Method for producing circuit-breaker parts for low, medium and high-voltage switching stations and corresponding circuit-breaker part
CN105504685B (en) A kind of high arc resistance epoxy insulation material and preparation method thereof, insulator
CN101840757A (en) Manufacturing method for environment-friendly type insulator shell
CN105907095A (en) Thermoplastic resin composite material and preparation method thereof
CN104672846A (en) Glass fiber reinforced polycarbonate (PC) composite material and preparation method thereof
CN101735560A (en) Casting mixture for epoxy casting transformer and preparation method thereof
CN107521015A (en) Manufacturing method and manufacturing device of supporting insulator
CN108456359A (en) The preparation method of graphene power cable shield layer
CN109427451B (en) Composite pipe for insulating operating rod and preparation method thereof
CN104124005A (en) Semi-conductive layer processing technique for solid insulation switches
CN103467966A (en) Inflaming retarding PPE/PS/ABS alloy plastic as well as preparation method and application thereof
CN104299766B (en) A kind of Multiple coil current transformer pressure gel forming method
CN209357555U (en) Integration injection silicon rubber composite insulation outdoor voltage transformer
CN101866729A (en) Intermediate grading ring and composite insulator with same
KR102279438B1 (en) Epoxy resin composition and transformer comprising the same
CN104861644B (en) Fire-retardant recyclable insulation is material modified, insulating part is prepared and applied
CN117024948A (en) TPU (thermoplastic polyurethane) base material for high-temperature-resistant cable sheath and preparation method thereof
CN207938937U (en) The prefabricated busbar of integrated transformer platform
CN112530681A (en) Dry-type transformer and production process thereof
CN1899793A (en) Method for producing environment friendly insulator
CN101746280B (en) Mica ceramic insulator for novel high-speed power car and manufacturing method thereof
CN201708078U (en) Vacuum arc extinguishing pole post for high-voltage vacuum circuit breaker
CN207743520U (en) Integrated transformer platform and its prefabricated busbar
CN205670652U (en) A kind of air insulation ring main unit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160831

RJ01 Rejection of invention patent application after publication