CN107112841A - Compositions of thermosetting resin and the electric rotating machine for having used said composition - Google Patents
Compositions of thermosetting resin and the electric rotating machine for having used said composition Download PDFInfo
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- CN107112841A CN107112841A CN201580061185.XA CN201580061185A CN107112841A CN 107112841 A CN107112841 A CN 107112841A CN 201580061185 A CN201580061185 A CN 201580061185A CN 107112841 A CN107112841 A CN 107112841A
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- Prior art keywords
- electric rotating
- rotating machine
- stator
- compositions
- thermosetting resin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/06—Insulation of windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
Abstract
The compositions of thermosetting resin of the excellent electric rotating machine of insulating properties is provided and its electric rotating machine is used.A kind of stator of electric rotating machine, is fixed in the stator (20) of the electric rotating machine of the slot of stator core (21) (15), stator coil is made up of multiple sector conductors in stator coil (60)；Sector conductor has the conductor exposed division that the insulating coating portion covered by insulating coating and conductor expose, moreover, being engaged by conductor exposed division with other sector conductors；Stator coil is covered by the compositions of thermosetting resin containing Photoepolymerizationinitiater initiater, thermal polymerization and inorganic additive.
Description
Technical field
Be related to compositions of thermosetting resin or using the resin combination electric rotating machine stator or possess its
Electric rotating machine.
Background technology
In recent years, electric rotating machine is constantly needed to small-sized height output.Be used as such electric rotating machine, it is known that for example, by
By multiple conductor segments of rectangular cross-section be inserted through after slot by the end of each conductor segment by engagement form stator winding, to carry
High occupation efficiency, improves cooling performance, so as to realize high output.
Moreover, the stator of also following vehicle-mounted dlternators：In order to improve insulating properties, the of circle portion is being formed with
1 coil-end group and be configured with will leading section engagement multiple junction surfaces the 2nd coil-end group on be thinly attached with the 1st tree
Fat part, is only thickly attached with the 2nd resin component near the junction surface of the 2nd coil-end group (referring for example to patent document 1).
(for example join in addition, there is the material of the 2nd resin component to being used in junction surface to carry out defined electrical equipment
According to patent document 2).
Prior art literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2004-048999 publications
Patent document 2:Japanese Unexamined Patent Publication 2012-090433 publications
The content of the invention
Problems to be solved by the invention
, it is necessary to using 2 kinds of resin components, in addition, only attached at the junction surface of the 2nd coil-end group in the technology of patent document 1
Closely thickly it is attached with the 2nd resin component.In insulating Design, the thickness general uniform of the resin component of coil-end does not have
Having only makes certainty thick near junction surface.By using 2 kinds of resin components, in order to resin component attachment, solidify, it is necessary to double
Weight production equipment, in addition, also existing because only junction surface thickens and needs the required pressure-resistant material to be more than resin component of insulation
Problem.
The technology of patent document 2 is the replacement of the 2nd resin component (powder epoxy varnish) used in the grade of patent document 1
Product, dust is prevented using fluid resin by junction surface.But it is presumed that only using junction surface as object, in addition using 2 kinds of trees
Fat part, thus above-mentioned problem still has.
And then, also there are following problems：In order to be constituted using these resins come correspondence Towards Higher Voltage, it is necessary to than existing tree
Fat part is thick.
Method for solving problem
The coil of the stator of electric rotating machine of the present invention is characterised by, by containing Photoepolymerizationinitiater initiater, thermal polymerization
The compositions of thermosetting resin of initiator and inorganic additive is coated to.
Invention effect
In accordance with the invention it is possible to provide the stator of the excellent electric rotating machine of insulating properties and possess its electric rotating machine.
Brief description of the drawings
Fig. 1 is the sectional view being monolithically fabricated for showing the electric rotating machine 10 comprising stator 20.
Fig. 2 is the stereogram for the composition for showing stator 20.
Fig. 3 is the stereogram for the weld side end turn for showing the stator coil before coating varnish.
Fig. 4 is the cross-sectional perspective view for the anti-weld side end turn for showing the stator coil before coating varnish.
Fig. 5 is the top view of the weld side end turn of stator coil.
Fig. 6 is the top view of the anti-weld side end turn of stator coil.
Embodiment
In order to solve aforementioned problems, the present inventor etc. has been repeated further investigation, as a result found, thermosetting resin is preferred
For the compositions of thermosetting resin containing (A) Photoepolymerizationinitiater initiater, (B) thermal polymerization and (C) inorganic additive.Hereinafter,
Compositions of thermosetting resin of the present invention is illustrated in detail.
1. the composition of compositions of thermosetting resin
(A) Photoepolymerizationinitiater initiater can be used：Diphenylthanedione, two (4- methoxyphenyls) second diketone, 2,2- diformazans
The benzyl derivatives such as epoxide -2- phenyl acetophenones, 2,2- diethoxy -2- phenyl acetophenones, benzoin, benzoin methyl ether,
The benzoin derivatives such as benzoin ethyl ether, benzoin isopropyl ether, benzophenone, 4,4 '-bis- (dimethylamino) hexichol first
Ketone, 4, the benzophenone derivates such as 4 '-dimethoxy-benzophenone, 2- hydroxy-2-methyls propiophenone, 2- hydroxyls -4 '-(2- hydroxyls
Base oxethyl) Propiophenone derivative, 2,2- diethoxy acetophenones, anthraquinone, 2- EAQs, 1- hydroxyls such as -2- methyl phenyl ketones
Butylcyclohexyl benzophenone, 2,4- bis- Yi Ji thioxane -9- ketone etc..One kind can be used only in these compounds, can also suitably mix
It is two or more and use.Among these compounds, from the viewpoint of processability, the chemical combination preferably decomposed due to ultraviolet
Thing.The compound more preferably decomposed due to wavelength 365nm light.
(B) thermal polymerization can use benzoyl peroxide, lauroyl peroxide, peroxidized t-butyl perbenzoate,
Peroxide acid tert-amyl acetate, peroxidating neodecanoic acid tert-pentyl ester, tert-Butyl peroxypivalate, peroxidating isobutyric acid tert-pentyl ester,
Two (tert-butyl group) peroxide, dicumyl peroxide, cumyl hydroperoxide, 1,1- bis- (tert-butyl hydroperoxide) hexamethylene,
2,2- bis- (tert-butyl hydroperoxide) butane, TBHP, two (s- butyl) peroxycarbonates, methyl ethyl ketone peroxide
Deng.One kind can be used only in these compounds, suitably can also mix two or more and use.Among these compounds, from admittedly
Change from the viewpoint of temperature, preferably 1,1- bis- (tert-butyl hydroperoxide) hexamethylene etc. declines temperature for 1 hour half at 100 DEG C to 150 DEG C
In the range of compound.
In addition, the constituent of thermosetting resin is not particularly limited, vinyl ester resin, radical polymerization are preferably comprised
Initiator.
(C) inorganic compound can be used：Silica (silica), aluminum oxide (alundum (Al2O3)), zirconium oxide (dioxy
Change zirconium), the metal oxide such as titanium oxide (titanium dioxide), kaolin, talcum, mica, calcium silicates, charcoal (シ チ リ Application), nitridation
Boron, sepiolite, calcium carbonate, potassium titanate, aluminium borate, barium sulfate, montmorillonite, hydrotalcite, magnesium hydroxide, aluminium hydroxide etc..These
One kind can be used only in compound, suitably can also mix two or more and use.Among these compounds, from insulation characterisitic
Viewpoint is set out, it is however preferred to have kaolin, plate-like aluminum oxide, charcoal (シ チ リ Application), boron nitride, mica of flakey form etc..
And then, resin combination, which preferably comprises (D), can carry out radical polymerization and with more than 2 carbon-to-carbon double bonds
Compound is used as crosslinking agent.
Radical polymerization can be carried out and with the compound of more than 2 carbon-to-carbon double bonds as (D), insatiable hunger can be used
With polyester resin, vinyl ester resin, vinyl modified isocyanates etc..One kind can be used only in these compounds, can also
Suitably mix two or more and use.
Unsaturated polyester resin is not particularly limited, for example can be by making binary acid and polyalcohols generation condensation reaction
And obtain.
As the binary acid of the raw material as unsaturated polyester resin, it can use：Maleic acid, maleic anhydride, fumaric acid,
The α such as itaconic acid, itaconic anhydride, β-unsaturated dibasic acid, phthalic acid, phthalic anhydride, halogenation phthalic anhydride,
Phthalic acid, terephthalic acid (TPA), tetrahydrophthalic acid, tetrabydrophthalic anhydride, hexahydrophthalic acid, hexahydro isophthalic two
Formic acid, hexahydro terephthalic acid, butanedioic acid, malonic acid, glutaric acid, adipic acid, decanedioic acid, 1,10- decane dicarboxylic acids, 2,6- naphthalenes
Dicarboxylic acids, 2,7- naphthalene dicarboxylic acids, 2,3- naphthalene dicarboxylic acids, 2,3- naphthalene dicarboxylic acids acid anhydride, 4,4 '-diphenyl dicarboxylic acid and their dioxane
Monounsaturated dicarboxylic acids such as base ester etc..But, it is not particularly limited to these compounds.One kind can be used only in these binary acid etc.,
It suitably can also mix two or more and use.
As the polyalcohols of the raw material as unsaturated polyester resin, ethylene glycol, diethylene glycol, three second two can be used
Alcohol, polyethylene glycol, propane diols, DPG, polypropylene glycol, 2- methyl-1,3-propanediols, 1,3 butylene glycol, bisphenol-A and oxidation
Addition product, glycerine, trimethylolpropane, 1,3- propane diols, 1,2- cyclohexanediols, the 1,3- hexamethylenes two of propylene or ethylene oxide
Alcohol, 1,4- cyclohexanediols, paraxylene glycol, dicyclohexyl -4,4 '-glycol, 2,6- decahydronaphthalenes glycol, three (2- hydroxyl second
Base) isocyanuric acid ester etc..But, it is not particularly limited to these compounds.Further, it is also possible to use the amino alcohols such as monoethanolamine
Class.One kind can be used only in these polyalcohols, can also suitably mix two or more.Further, it is also possible to as needed in tree
Dicyclopentadiene based compound is added in fat skeleton.
As the epoxide of the raw material as vinyl ester resin, using in molecule with least two epoxy radicals
Compound.As such epoxide, it can use for example：Pass through the bisphenols such as bisphenol-A, Bisphenol F, bisphenol S and table halogen
The Epi-Bis type diglycidyl ether type epoxy resins that the condensation reaction of alcohol is obtained, by being used as the phenol such as phenol, cresols, bis-phenol
The phenolic varnish type diglycidyl ether type that the condensation reaction of the novolaks and epihalohydrins of the condensation product of class and formalin is obtained
Epoxy resin, the ethylene oxidic ester obtained by the condensation reaction of tetrahydrophthalic acid, hexahydrophthalic acid and epihalohydrins
Type epoxy resin, the shrink obtained by the condensation reaction of 4,4 '-bis-phenol, 2,6- naphthalenes glycol, A Hydrogenated Bisphenol A, alcohols and epihalohydrins
Ethoxylated glycerol type epoxy resin, the ring of diglycidyl ether type containing amine obtained by the condensation reaction of interior uride, cyanuric acid and epihalohydrins
Oxygen tree fat etc..But, it is not particularly limited to these compounds.One kind can be used only in these epoxides, can also fit
Used when mixing is two or more.
As the unsaturated monoacid of the raw material as vinyl ester resin, such as acrylic acid, metering system can be used
Acid, crotonic acid etc..Further, it is also possible to half ester using maleic acid, itaconic acid etc. etc..But, it is not particularly limited to this.These
One kind can be used only in unsaturated monoacid, suitably can also mix two or more and use.Among these compounds, from heat-resisting
From the viewpoint of property, curability, Epi-Bis type diglycidyl ether type epoxy resins are preferably made to be obtained with metering system acid reaction
Vinyl ester resin.In addition, from the viewpoint of the crack resistance of solidfied material, preferably non-phenolic varnish type vinyl ester resin.
In above-mentioned compositions of thermosetting resin, other any conditions can be added as needed on.As any condition, it can arrange
Citing such as free radical polymerization monomer, curing accelerator, polymerization inhibitor, bonding force enhancer.
Free radical polymerization monomer can enumerate styrene, vinyltoluene, vinyl naphthalene, α-methylstyrene, vinyl
Pyrrolidones, acrylamide, acrylonitrile, allyl alcohol, allyl phenyl ether, (methyl) acrylate, vinyl acetate, ethene
Base pyrrolidones, (methyl) acrylamide, maleic acid diester, dimethyl ester etc..But, it is not particularly limited to these chemical combination
Thing.Preferably use styrene, vinyltoluene, (methyl) acrylate (such as methacrylate, acrylate).As
(methyl) acrylate, can enumerate for example (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) propyl acrylate,
(methyl) butyl acrylate, (methyl) 2-EHA, (methyl) Isooctyl acrylate monomer, (methyl) Isodecyl
Ester, (methyl) benzyl acrylate, (methyl) phenyl acrylate, (methyl) cyclohexyl acrylate, the ring penta of (methyl) acrylic acid two
Ester, (methyl) acrylic acid dicyclopentenyl ester, isobornyl (methyl) acrylate, methoxylation ring triolefin (methyl) acrylic acid
Ester, dicyclopentenyl oxygen ethyl (methyl) acrylate, (methyl) acrylic acid 2- hydroxy methacrylates, (methyl) acrylic acid 2- hydroxyls third
Ester, (methyl) acrylic acid 3- hydroxy propyl esters, (methyl) acrylic acid 4- hydroxybutyls, poly- (methyl) acrylic acid glycol ester, alcoxyl
Poly- (methyl) the propylene acid propylene glycol ester of base, (methyl) tetrahydrofurfuryl acrylate, (methyl) acrylic acid 2- hydroxyl -3- phenoxy groups third
Ester, (methyl) glycidyl acrylate, the chaff ester of caprolactone modification (methyl) acrylic acid three, (methyl) ethioxy carbonyl
Methyl esters, acrylic acid 2- ethylhexyls card finish alcohol ester, (methyl) acrylic acid 1,4- butanediol esters, methacrylic acid acrylonitrile butadiene
Ester, methacrylic acid dicyclopentenyl 2-ethoxyethyl acetate etc..These compounds can be used only one kind, can also suitably mix two kinds with
Above use.It is preferred that high (methyl) esters of acrylic acid of the decomposition of Photoepolymerizationinitiater initiater, reactivity will not be hindered.
As curing accelerator, the metal salt (metal salt such as cobalt, zinc, zirconium, manganese, calcium) of aphthenic acids or octanoic acid can be enumerated.It
Can be used only one kind, can also suitably mix two or more.
As polymerization inhibitor, the quinones such as quinhydrones, p-tert-Butylcatechol, pyrogallol can be enumerated.They can be only
Using one kind, it can also suitably mix two or more.
As bonding force enhancer, it can enumerate to styryl trimethoxy silane, 3- methacryloxypropyls three
Methoxy silane, 3- methacryloxypropyls etc..One kind can be used only in they, can also suitably mix
Close two or more.
2. the manufacture method of compositions of thermosetting resin
Above-mentioned thermoplastic resin composition manufactures as follows：(A) Photoepolymerizationinitiater initiater, (B) thermal polymerization are triggered in atmosphere
Agent, (C) inorganic additive, (D) radical polymerization can be carried out and compound with more than 2 carbon-to-carbon double bonds and other
Any condition is equably stirred, mixed.
Above-mentioned compositions of thermosetting resin can be used for insulation and the fixed-purpose of the stator winding of electric rotating machine.
3. use the electric rotating machine of compositions of thermosetting resin
Then, the embodiment to the electric rotating machine using above-mentioned thermoplastic resin composition is illustrated.Illustrate below
Embodiment be only an example, be not limited to these embodiments.Wherein, in the following description, using for mixing
The motor for closing power vehicle is used as one of electric rotating machine.In the following description, " axial direction " is set to refer to along electric rotating
The direction of the rotary shaft of machine.In addition, being set to " circumference " refers to direction along the direction of rotation of electric rotating machine.Being set to " radial direction " is
Finger regard the rotary shaft of electric rotating machine as the radius vector direction (radial direction) during center.It is set to " inner circumferential side " and refers to radially inner side
(internal side diameter), " outer circumferential side " refer to its opposite direction, i.e. radial outside (outside diameter).
Fig. 1 is the sectional view for the composition for showing electric rotating machine 10 of the present embodiment.Electric rotating machine 10 by housing 50,
Stator 20, stator core 21, stator coil 60 and rotor 11 are constituted.
Stator 20 is fixed with the inner circumferential side of housing 50.In the inner circumferential side of stator 20, rotor 11 is in the way of it can rotate
Supported.Housing 50 is by the cutting of the ferrous materials such as carbon steel or by cast steel, the casting of aluminium alloy or by pressurization
Process type to form for cylindrical shape, constitute the shell of motor.Housing 50 is also referred to as framework or framework (frame).
Liquid cooling chuck 130 is fixed with the outer circumferential side of housing 50.By the internal perisporium and housing of liquid cooling chuck 130
50 periphery wall constitutes the liquid cooling medium RF such as oil cooling medium path 153, and the cooling medium path 153 is with will not leakage
Mode formed.Liquid cooling chuck 130 stores bearing 144,145, the also referred to as support of bearing.
In the case of direct liquid cooling, cooling medium RF is by cooling medium path 153, from cooling medium outlet
154th, 155 flow out to stator 2, cool down stator 20.
Stator 20 is made up of stator core 21 and stator coil 60.Stator core 21 is that silicon steel plate thin plate is laminated and is made.
Stator coil 60 is wound in slot 15, and slot 15 is provided with multiple in the inner peripheral portion of stator core 21.Hair from stator coil 60
Heat is transmitted via stator core 21 to housing 50, the heat release by the cooling medium RF of circulation in liquid cooling chuck 130.
Rotor 11 is made up of rotor core 12 and rotary shaft 13.Rotor core 12 is that silicon steel plate thin plate is laminated and is made.Rotation
The center of rotor core 12 is fixed in rotating shaft 13.Rotary shaft 13 by being installed on the bearing 144,145 of liquid cooling chuck 130 and
Rotatably it is kept, the assigned position in stator 20, is rotated in the position relative with stator 20.In addition, in rotor 11
Provided with permanent magnet 18 and end ring (not shown).
The assembling of electric rotating machine is, stator 20 is inserted into the inner side of housing 50 in advance and the internal perisporium of housing 50 is installed on,
Then, rotor 11 is inserted in stator 20.Then, it is fitted together to bearing 144,145 in rotary shaft 13 and is assembled in liquid cooling folder
Set 130.
Fig. 2 is the stereogram of the stator 20 used in electric rotating machine 10 of the present embodiment.Using Fig. 2 to stator 20
The composition of major part illustrate.
Stator 20 is made up of stator core 21 and stator coil 60, and stator coil 60 is wound in slot 15, multiple slots 15
It is arranged on the inner peripheral portion of said stator iron core.Stator coil 60 uses conductor (this implementation that section is rectangular shape
It is copper cash in example).By using the coil-conductor of section rectangular shape, the occupation efficiency in slot is improved, rotation is improved
The efficiency of rotating motor.
In addition, slot pad 302 is disposed in each slot 15, it is ensured that the electric insulation of stator core 21 and stator coil 60.On
State slot pad 302 and B word shapes, S word shapes are shaped in the way of packing copper cash.
Fig. 3 is the stereogram for the weld side coil-end 62 for showing the stator coil before coating resin composition.Stator 20 by
Stator core 21 and stator coil 60 are constituted, and stator coil 60 is wound in slot 15, and multiple slots 15 are arranged on said stator iron
The inner peripheral portion of core.For the insulation between coil, between coil, insulating paper 300 is annularly configured with.In order to exhausted between weld part
Edge, between weld part, is annularly configured with insulating paper 301.
It is configured with after insulating paper 300 and 301, with containing (A) Photoepolymerizationinitiater initiater, (B) thermal polymerization and (C)
Inorganic additive, (D) can carry out the resin combination 601 of radical polymerization and the compound with more than 2 carbon-to-carbon double bonds
Solidfied material generally uniformly cover the entirety of said stator coil.
Fig. 4 is the stereogram for the anti-weld side coil-end 61 for showing the stator coil before coating resin composition.For line
Insulation between circle, between coil, is annularly configured with insulating paper 301.
In the same manner as weld side coil-end 62, after anti-weld side coil-end 61 is configured with insulating paper, resin combination is used
601 solidfied material generally uniformly covers the entirety of said stator coil.Here, resin combination 601 and covering welding side line
The material for enclosing end 62 is identical material ((A) Photoepolymerizationinitiater initiater, (B) thermal polymerization and (C) inorganic additive, (D)
Radical polymerization can be carried out and with the compound of more than 2 carbon-to-carbon double bonds).
Fig. 5 is the figure amplified near the end conductor 28E by weld side coil-end 62.Sector conductor 28 has with enamel quilt
The insulating coating portion 29A of the insulating films such as film covering and the conductor dew that insulating film is stripped, conductor part (copper cash) exposes
Go out portion 29B.Conductor exposed division 29B is located at end conductor 28E.Exposing for the conductor part is to weld.In addition, including insulation
The overall of coating portion 29A and conductor exposed division 29B sector conductor 28 is included (A) Photoepolymerizationinitiater initiater, (B) thermal polymerization initiation
Agent and (C) inorganic additive, (D) can carry out the tree of radical polymerization and the compound with more than 2 carbon-to-carbon double bonds
The solidfied material of oil/fat composition 601 is generally uniformly covered.
In present embodiment, the 2nd resin component in the prior art as use is not used, using only above-mentioned resin group
Compound 601.In addition with following effects：In spite of near junction surface, thickness is all uniform, thus need not be used to set
The dual production equipment adhered to, dried of fat part, furthermore, it is not necessary that the required pressure-resistant material to be more than resin component of insulation.
Fig. 6 is the figure amplified near the anti-weld side coil endvertex 28C by anti-weld side coil-end 61.Anti- welding side line
Enclose in end 61, all-round throughout sector conductor (セ グ メ Application ト Guide bodies) 28 is formed with insulating coating portion 29A.And then, to cover absolutely
Edge coating portion 29A mode, sector conductor 28 is only by including (A) Photoepolymerizationinitiater initiater, (B) thermal polymerization and (C) nothing
Machine additive, (D) can carry out the solidfied material of radical polymerization and the resin 601 of the compound with more than 2 carbon-to-carbon double bonds
Generally uniformly cover.Without using the 2nd resin component used in the prior art, in addition, thickness is also uniform, thus with following
Effect：The dual production equipment adhered to, dried of resin component need not be used for, furthermore, it is not necessary that required insulation is pressure-resistant for tree
Material more than fat part.
During above-mentioned is constituted, by making the entirety of stator coil only by drawing comprising (A) Photoepolymerizationinitiater initiater, (B) thermal polymerization
Hair agent and (C) inorganic additive, (D) can carry out radical polymerization and have the compound of more than 2 carbon-to-carbon double bonds
Resin 601 generally uniformly covers and is configured to the ring-type insulating resin 300,301 of insulation reinforcing, is met electronic
The electric rotating machine of insulating properties needed for automobile, hybrid vehicle.
Generally uniformly covered while it is desirable to resin combination 601, but still have with the interface of insulating paper 300,301, line
The situation that the complex-shaped position of circle is unevenly adhered to.General uniform mentioned here is meant, is not such as existing skill
Art (such as patent document 1) thickeies intentionally like that.
In addition, " only " in the explanation only generally uniformly covered by resin combination 601 is not precluded from enamel envelope etc.
The presence of the insulating film formed in advance on conductor." only " mentioned here means, after being molded for sector conductor 28
Insulation reinforcing and assign insulating resin be only resin combination 601, without using the 2nd resin component of the prior art.
More than, it is illustrated with permanent-magnet rotary electric machine, but it is a feature of the present invention that the coil for being related to stator is exhausted
Edge, thus rotor can not only be applicable permanent magnet type, can also be applicable induction type, synchronous reluctance, Lundell etc..In addition, winding method
In for ripple around mode, but as long as being that the winding method with same feature can be just applicable.In addition, being said with interior transition
It is bright, but can be similarly applicable in transition outside.
4. the composition example of compositions of thermosetting resin
Next, illustrate on comprising (A) Photoepolymerizationinitiater initiater, (B) thermal polymerization and (C) inorganic additive,
(D) the composition example of radical polymerization and the thermosetting resin of the compound with more than 2 carbon-to-carbon double bonds can be carried out.But no
It is defined in composition example as shown below.
Composition example 1 is to add the parts by weight of styrene 50 (and the pure medicine system of light), bisphenol-A glycerol dimethacrylate 50
Parts by weight (aldrich system), the parts by weight of 2,2- diethoxy acetophenones 1.0 (and the pure medicine system of light), (t-butyl peroxies of 1,1- bis-
Change) 1.5 parts by weight of hexamethylene (day oil system), the parts by weight of mica 10, compositions of thermosetting resin is made.
Composition example 2 is to add the parts by weight of styrene 50 (and the pure medicine system of light), the number-average molecular weight containing bisphenol A skeleton to be
3000 parts by weight of unsaturated polyester resin 50, the parts by weight of 2- hydroxy-2-methyls propiophenone 1.0 (Tokyo chemical conversion industry system), 1,
The parts by weight of 1- bis- (tert-butyl hydroperoxide) hexamethylene 1.5 (day oil system), the parts by weight of boron nitride 10, are made thermosetting resin combination
Thing.
Composition example 3 is to add the parts by weight (aldrich system) of dicyclopentenyl oxygen ethyl (methyl) acrylate 70, bis-phenol
The parts by weight (aldrich system) of A glycerol dimethacrylates 30, the parts by weight (Tokyo of 2- hydroxy-2-methyls propiophenone 1.0
Into industry system), the parts by weight of 1,1- bis- (tert-butyl hydroperoxide) hexamethylene 1.5 (day oil system), the parts by weight of mica 10, thermosetting is made
Resin combination.
Composition example 4 is to add the parts by weight (aldrich system) of dicyclopentenyl oxygen ethyl (methyl) acrylate 70, bis-phenol
The parts by weight (aldrich system) of A glycerol dimethacrylates 30, the number-average molecular weight containing bisphenol A skeleton are not 3000 not
The parts by weight of saturated polyester resin 5, the parts by weight of 2- hydroxy-2-methyls propiophenone 1.0 (Tokyo chemical conversion industry system), (the tertiary fourths of 1,1- bis-
Base peroxidating) 1.5 parts by weight of hexamethylene (day oil system), the parts by weight of mica 10, compositions of thermosetting resin is made.
Composition example 5 is to add the parts by weight (aldrich system) of dicyclopentenyl oxygen ethyl (methyl) acrylate 70, bis-phenol
The parts by weight (aldrich system) of A glycerol dimethacrylates 30, the number-average molecular weight containing bisphenol A skeleton are not 3000 not
The parts by weight of saturated polyester resin 5, the parts by weight of 2- hydroxy-2-methyls propiophenone 1.0 (Tokyo chemical conversion industry system), (the tertiary fourths of 1,1- bis-
Base peroxidating) 1.5 parts by weight of hexamethylene (day oil system), the parts by weight of mica 20, compositions of thermosetting resin is made.
Composition example 6 is to add the parts by weight (aldrich system) of dicyclopentenyl oxygen ethyl (methyl) acrylate 70, bis-phenol
The parts by weight (aldrich system) of A glycerol dimethacrylates 30, the parts by weight (Tokyo of 2- hydroxy-2-methyls propiophenone 1.0
Into industry system), the parts by weight of 1,1- bis- (tert-butyl hydroperoxide) hexamethylene 1.5 (day oil system), the parts by weight of mica 10, manganese naphthenate
0.05 parts by weight (Tokyo chemical conversion system), the parts by weight of unsaturated polyester resin 5 formed by M-phthalic acid, maleic acid, ethylene glycol,
The parts by weight of 3- methacryloxypropyl trimethoxy silanes 0.1 (Shin-Etsu silicone systems), are made thermosetting tree
Oil/fat composition.
5. the comparative example of compositions of thermosetting resin
Next, providing the comparative example of the composition on thermosetting resin.
Comparative example 1 is free of (A) Photoepolymerizationinitiater initiater.Comparative example 1 is, add the parts by weight of styrene 50 (and the pure medicine system of light),
The parts by weight (aldrich system) of bisphenol-A glycerol dimethacrylate 50, the weight of 1,1- bis- (tert-butyl hydroperoxide) hexamethylene 1.5
Part (day oil system), the parts by weight of mica 10 are measured, compositions of thermosetting resin is made.In this case, the insulation of weld side coil-end
Coating can not be formed.
Comparative example 2 is free of (B) thermal polymerization.Comparative example 2 is, add the parts by weight of styrene 50 (and the pure medicine system of light),
The parts by weight (aldrich system) of bisphenol-A glycerol dimethacrylate 50, the parts by weight of 2,2- diethoxy acetophenones 1.0 (and
The pure medicine system of light), the parts by weight of mica 10, compositions of thermosetting resin is made.In this case, the coil fixation in slot can not enter
OK.
Comparative example 3 is free of (C) inorganic additive.Comparative example 3 is, adds the parts by weight of styrene 50 (and the pure medicine system of light), double
The parts by weight (aldrich system) of phenol A glycerol dimethacrylates 50, the parts by weight of 2,2- diethoxy acetophenones 1.0 (and light
Pure medicine system), the parts by weight of 1,1- bis- (tert-butyl hydroperoxide) hexamethylene 1.5 (day oil system), compositions of thermosetting resin is made.It is this
In the case of, electrical characteristic miss the mark.
6. the coating method of compositions of thermosetting resin
Next, being illustrated to the coating method of the coiler part of the stator 20 of the resin progress using above-mentioned composition.
Above-mentioned resin combination 601 is set to be impregnated in the electrical equipments such as motor winding using infusion process, dropwise addition impregnated with method etc..For impregnation
Method, using conventional method, is not particularly limited.By to containing the coil irradiation energy ray for being soaked with resin, consolidating irradiation portion
Change.Energy-ray is preferably the ultraviolet by generations such as mercury vapor lamps.Furthermore, it is possible to according to used (A) Photoepolymerizationinitiater initiater
The appropriate wavelength of selection.After irradiation energy ray, the resin combination 601 for being coated on stator 20 is fully cured by heating.
This heating is not particularly limited using conventional methods such as hot air type heating furnace, IH heating furnaces.
As described above, though in accordance with the invention it is possible to provide insulating properties excellent and for small-sized height output, it is cold
But the stator of property also excellent electric rotating machine.
Wherein, the present invention is not limited to above-described embodiment, also including various modifications example.For example, above-described embodiment be in order to
The example for being readily appreciated that ground the present invention will be described and describe in detail, is not necessarily limited to possess illustrated whole structures
Into.In addition, a part for the composition for embodiment, can carry out the addition, deletion, replacement of other compositions.
Symbol description
10 electric rotating machines
11 rotors
12 rotor cores
13 rotary shafts
15 slots
18 permanent magnets
20 stators
21 stator cores
The anti-weld side coil endvertexs of 28C
28D conductor diagonals portion
28E end conductors
28F conductor diagonals portion
50 housings
60 stator coils
61 anti-weld side coil-ends
62 weld side coil-ends
130 liquid cooling chucks
144 bearings
145 bearings
150 cooling mediums (oil) storage space
153 cooling medium paths
154 cooling mediums are exported
155 cooling mediums are exported
300 ring-type insulating papers
301 ring-type insulating papers
302 slots are padded
601 resin components
RF cooling mediums
Claims (9)
1. a kind of electric rotating machine compositions of thermosetting resin, it contains Photoepolymerizationinitiater initiater, thermal polymerization and inorganic added
Plus thing.
2. electric rotating machine compositions of thermosetting resin according to claim 1, it contains the described of flakey and inorganic added
Plus thing.
3. electric rotating machine compositions of thermosetting resin according to claim 2, it contains mica as the flakey
The inorganic additive.
4. electric rotating machine compositions of thermosetting resin according to any one of claim 1 to 3, it, which contains, to be carried out
Radical polymerization and the compound with more than 2 carbon-to-carbon double bonds.
5. electric rotating machine compositions of thermosetting resin according to claim 4, it contains unsaturated polyester resin or second
Alkenyl esters resin is as can carry out radical polymerization and compound with more than 2 carbon-to-carbon double bonds.
6. electric rotating machine compositions of thermosetting resin according to claim 5, it contains unsaturated polyester resin or non-
Phenolic varnish type vinyl ester resin is as can carry out radical polymerization and compound with more than 2 carbon-to-carbon double bonds.
7. a kind of stator for electric rotating machine, it possesses as the electric rotating machine any one of claim 1 to 6 with thermosetting tree
The coated coil of oil/fat composition.
8. stator for electric rotating machine according to claim 7,
The coil is made up of multiple sector conductors,
The sector conductor has the conductor exposed division that the insulating coating portion covered by insulating coating and conductor expose,
The multiple sector conductor is engaged each other by the respective conductor exposed division,
The electric rotating machine is coated to the insulating coating portion and the conductor exposed division with compositions of thermosetting resin.
9. a kind of electric rotating machine, it possesses the stator for electric rotating machine any one of claim 7 or 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014263812A JP6375224B2 (en) | 2014-12-26 | 2014-12-26 | Thermosetting resin composition and rotating electric machine using the composition |
| JP2014-263812 | 2014-12-26 | ||
| PCT/JP2015/083311 WO2016104043A1 (en) | 2014-12-26 | 2015-11-27 | Thermally-curable resin composition and rotating electrical machine using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107112841A true CN107112841A (en) | 2017-08-29 |
| CN107112841B CN107112841B (en) | 2019-05-31 |
Family
ID=56150075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580061185.XA Active CN107112841B (en) | 2014-12-26 | 2015-11-27 | Compositions of thermosetting resin and the rotating electric machine for having used the composition |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6375224B2 (en) |
| CN (1) | CN107112841B (en) |
| WO (1) | WO2016104043A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745742A (en) * | 2019-10-31 | 2021-05-04 | 三菱电机株式会社 | Thermosetting resin composition, sheet-type insulating varnish, method for producing same, electrical device, and rotating electrical machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6918601B2 (en) * | 2017-06-27 | 2021-08-11 | 日立Astemo株式会社 | Resin composition for electrical equipment and electrical equipment using it |
| JP7092617B2 (en) * | 2018-08-29 | 2022-06-28 | 日立Astemo株式会社 | Manufacturing method of stator of rotary electric machine |
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| JPS60208008A (en) * | 1984-03-31 | 1985-10-19 | 日本ゼオン株式会社 | Electrically insulating material |
| CN1364184A (en) * | 2000-01-18 | 2002-08-14 | 通用电气公司 | Curable resin composition, preparation thereof, and articles derived therefrom |
| CN1518190A (en) * | 2003-01-27 | 2004-08-04 | ������������ʽ���� | Stator of slewing electric machine |
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| CN101016347A (en) * | 2005-09-20 | 2007-08-15 | 通用电气公司 | Dual cure compositions, methods of curing thereof and articles therefrom |
| CN103108891A (en) * | 2010-09-24 | 2013-05-15 | 日本曹达株式会社 | Method for producing terminal acrylic-modified polybutadiene or terminal acrylic-modified hydrogenated polybutadiene, and composition containing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007314760A (en) * | 2006-04-26 | 2007-12-06 | Jsr Corp | Curable composition, and cured film and laminate therefrom |
| TWI520973B (en) * | 2010-09-01 | 2016-02-11 | Kaneka Corp | Composition for electrical and electronic component materials and cured product thereof |
| JP2012188506A (en) * | 2011-03-09 | 2012-10-04 | Kaneka Corp | Curable composition for prepreg, and prepreg obtained by curing the same |
| JP6116335B2 (en) * | 2013-04-23 | 2017-04-19 | 三菱電機株式会社 | Rotating electric machine |
-
2014
- 2014-12-26 JP JP2014263812A patent/JP6375224B2/en active Active
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2015
- 2015-11-27 WO PCT/JP2015/083311 patent/WO2016104043A1/en active Application Filing
- 2015-11-27 CN CN201580061185.XA patent/CN107112841B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| JPS60208008A (en) * | 1984-03-31 | 1985-10-19 | 日本ゼオン株式会社 | Electrically insulating material |
| CN1364184A (en) * | 2000-01-18 | 2002-08-14 | 通用电气公司 | Curable resin composition, preparation thereof, and articles derived therefrom |
| CN1518190A (en) * | 2003-01-27 | 2004-08-04 | ������������ʽ���� | Stator of slewing electric machine |
| CN1823557A (en) * | 2003-09-29 | 2006-08-23 | 揖斐电株式会社 | Interlayer insulating layer for printed wiring board, printed wiring board and method for manufacturing same |
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| CN103108891A (en) * | 2010-09-24 | 2013-05-15 | 日本曹达株式会社 | Method for producing terminal acrylic-modified polybutadiene or terminal acrylic-modified hydrogenated polybutadiene, and composition containing same |
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| CN112745742A (en) * | 2019-10-31 | 2021-05-04 | 三菱电机株式会社 | Thermosetting resin composition, sheet-type insulating varnish, method for producing same, electrical device, and rotating electrical machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016104043A1 (en) | 2016-06-30 |
| JP6375224B2 (en) | 2018-08-15 |
| CN107112841B (en) | 2019-05-31 |
| JP2016124878A (en) | 2016-07-11 |
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