CN107276276A - Motor distribution component and motor - Google Patents
Motor distribution component and motor Download PDFInfo
- Publication number
- CN107276276A CN107276276A CN201710190184.6A CN201710190184A CN107276276A CN 107276276 A CN107276276 A CN 107276276A CN 201710190184 A CN201710190184 A CN 201710190184A CN 107276276 A CN107276276 A CN 107276276A
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- Prior art keywords
- phases
- phase
- power supply
- wiring part
- motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention provides a kind of motor distribution component and motor, suppresses the electric discharge due to surge voltage generation and suppresses cost and the maximization of winding.Motor is included with distribution component：U phases wiring part (41), with the U phases power supply terminal (413) being connected with U phase power supply circuits, U phase windings (32U) are supplied to by the U phase driving currents from U phase power supply circuits；V phases wiring part (42), with the V phases power supply terminal (423) being connected with V phase power supply circuits, V phase windings (32V) are supplied to by the V phase driving currents from V phase power supply circuits；W phases wiring part (43), with the W phases power supply terminal (433) being connected with W phase power supply circuits, W phase windings (32W) are supplied to by the W phase driving currents from W phase power supply circuits；And the magnetic material core of ring-type, it covers U phases wiring part (41), V phases wiring part (42) and W phases wiring part (43) in the lump.
Description
Technical field
The present invention relates to motor distribution component and motor.
Background technology
Always, the winding of motor is used in, existing to produce to generate electricity due to surge voltage causes the durability of winding bad
The problem of change.
For the problem, as described in Patent Document 1, the insulating materials of conductor is coated on by research, or make painting
The thickness for being distributed in the insulating materials of conductor is thickened, to suppress the generation of electric discharge.
It should be noted that being used as the other prior art information associated with present invention, also patent text
Offer 2.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2015-228285 publications
Patent document 2：Japanese Unexamined Patent Publication 2009-247092 publications
The content of the invention
Invent problem to be solved
But, there are the following problems for the method for above-mentioned patent document 1, i.e., due to the high insulating materials of use cost therefore
There is the increased possibility of cost of winding, additionally, due to insulating materials thickness thicken there is a possibility that winding maximization.
Herein, it is an object of the invention to provide it is a kind of can suppress due to surge voltage produce electric discharge while can
Suppress the motor distribution component and motor of the cost of winding and the maximization of winding.
The means to solve the problem
It is an object of the invention to solve above-mentioned problem there is provided a kind of motor distribution component, it is disposed on being provided
Position mutually differs the motor distribution component in the motor of the driving current of 120 ° of U phases, V phases and W phases, the electricity respectively
Motivation includes providing the U phase windings of the U phases driving current, provides the V phase windings of the V phases driving current and provide described
The W phase windings of W phase driving currents, wherein, the motor is included with distribution component：U phase wiring parts, itself and the U phase windings
, will with the U phase power supply terminals being connected for the U phase power supply circuits with the offer U phases driving current while electrical connection
The U phases driving current from the U phases power supply circuit is supplied to the U phase windings；V phase wiring parts, its with the V phases around
While group electrical connection, with for providing the V phase power supply terminals that the V phase power supply circuits of the V phases driving current are connected, with
The V phases driving current from the V phases power supply circuit is supplied to the V phase windings；W phase wiring parts, itself and the W phases
While winding is electrically connected, with the W phase power supply terminals being connected for the W phase power supply circuits with the offer W phases driving current,
So that the W phases driving current from the W phases power supply circuit is supplied into the W phase windings；And the magnetic magnetic of ring-type
Core, it covers the U phases wiring part, the V phases wiring part and the W phases wiring part in the lump.
In addition, there is provided the motor with above-mentioned motor distribution component for the purpose of solving above-mentioned problem by the present invention.
Invention effect
In accordance with the invention it is possible to which providing one kind can suppress because surge voltage produces electric discharge, while winding can be reduced
The motor distribution component and motor of the maximization of cost and winding.
Brief description of the drawings
Fig. 1 is the schematic arrangement figure according to the motor of an embodiment of the invention.
Fig. 2 is the stereogram of motor distribution component.
Fig. 3 is the stereogram of motor distribution component.
Fig. 4 is the stereogram of the wiring part in motor distribution component.
Fig. 5 is that magnetic material core and maintaining part are carried out to the exploded perspective view shown in decomposition.
Fig. 6 is Fig. 2 line A-A cross-sectional view.
Description of reference numerals
1 ... motor, 2 ... rotors, 3 ... stators, 31 ... magnetic cores, 32 ... windings, 32U ... U phase windings, 32V ... V phases around
Group, 32W ... W phase windings, 4 ... motor distribution components, 41 ... U phase wiring parts, 42 ... V phase wiring parts, 43 ... W phase distributions
Portion, 413 ... U phase power supply terminals, 423 ... V phase power supply terminals, 433 ... W phase power supply terminals, 5 ... magnetic material cores, 6... is kept
Portion, 7 ... main body maintaining parts.
Embodiment
Embodiment
Hereinafter, embodiments of the present invention are illustrated with reference to the accompanying drawings.
Fig. 1 is the schematic arrangement figure according to the motor of present embodiment.
As shown in figure 1, motor l is used as the driving power supply of vehicle traveling such as electric automobile, bag
Include the rotor 2 as rotating part, the stator 3 as fixed part and motor distribution component 4.
Rotor 2 includes：Rotary shaft 21, its by the bearing for omitting diagram support can be revolved on coaxial with stator 3
Turn；Cylindric magnet 22, it is fixed on the outer peripheral face of rotary shaft 21, and magnetized N poles and S are interacted along its circumferencial direction
Pole.
Stator 3 include ring-type configure the multiple magnetic cores 31 formed by soft magnetic bodies and wound on magnetic core 31 periphery wind
Winding 32.
In present embodiment, 24 magnetic cores 31 are annularly matched somebody with somebody centered on the rotation axis O of the rotary shaft 21 shown in Fig. 1
Put.This 24 magnetic cores 31 are made up of 8 U phase magnetic cores 31U, 8 V phase magnetic core 31V and 8 W phase magnetic cores 31W, shown in Fig. 1
Rotor 2 direction of rotation R, respectively, with U phase magnetic core 31U adjacents configure V phase magnetic core 31V, in the magnetic core 31V with V phases
Adjacent configures W phase magnetic core 31W, in addition, configuring U phase magnetic cores 31U with W phase magnetic core 31W adjacents.It should be noted that
In present embodiment, multiple (24) magnetic cores 31 each is illustrated for the situation of independent part, but these are multiple
Magnetic core 31 can also be integrally formed.
On U phase magnetic cores 31U, U phase windings 32U is fixed with as the winding of winding 32.On V phase magnetic cores 31V, winding is used as
32 windings are fixed with V phase windings 32V.On W phase magnetic cores 31W, W phase windings 32W is fixed with as the winding of winding 32.
Motor distribution component 4 includes U phases wiring part 41, V phases wiring part 42, W phases wiring part 43 and neutral matching
Line portion 44.U phases wiring part 41 and U phase winding 32U, V phases wiring part 42 and V phase winding 32V, W phases wiring part 43 and W phase windings
32W is electrically connected.For motor distribution component 4, subsequently it is described in detail.
Among U phase windings 32U both ends, a side end 321U is electrically connected with U phases wiring part 41, the other end 322U with
Neutral phase wiring part 44 is electrically connected.Similarly, among V phase windings 32V both ends, a side end 321V and V phases wiring part 42
Electrical connection, the other end 322V is electrically connected with neutral phase wiring part 44.In addition, similarly, among W phase windings 32W both ends,
One side end 321W is electrically connected with W phases wiring part 43, and the other end 322W is electrically connected with neutral phase coordination portion 44.
By motor distribution component 4, the position mutually respectively driving of the U phases of 120 ° of difference, V phases and W phases is provided to motor l
Electric current.U phases wiring part 41, which has, to be used for providing the U phase feeder ears that the U phases power supply circuit (not shown) of U phase driving currents is connected
Son 413, U phase windings 32U is supplied to by the U phase driving currents from U phase power supply circuits.V phases wiring part 42, which has, to be used for carrying
For the V phases power supply terminal 423 of the V phases power supply circuit connection (not shown) of V phase driving currents, by the V phases from V phase power supply circuits
Driving current is supplied to V phase windings 32V.W phases wiring part 43 has for the W phases power supply circuit with providing W phase driving currents (not
Diagram) connection W phases power supply terminal 433, the W phase driving currents from W phase power supply circuits are supplied to W phase windings 32W.
Thus, in motor 1, U phase driving currents is supplied to by U phase winding 32U by U phases wiring part 41, matched by V
V phase driving currents are supplied to V phase winding 32V by line portion 42, and W phase driving currents are supplied into W phase windings by W phases wiring part 43
32W.U phases power supply circuit, V phases power supply circuit and W phase power supply circuits, for example, it may be extending from the inverter for omitting diagram
Wire harness cable as cable.In addition, for example, in the case where motor 1 and inverter are integrated composition, U phases are powered electricity
Road, V phases power supply circuit and W phase power supply circuits, can be the bus terminals extended from inverter.
When U phase winding 32U, V phase winding 32V and W phase windings 32W is provided U phases, V phases and W that position mutually differs 120 ° respectively
During phase driving current, produce rotating excitation field in stator 3, attraction and the reaction force that magnet 22 is produced due to the rotating excitation field and
By revolving force, rotary shaft 21 is set to be rotated centered on rotation axis O.That is, rotor 2 is due to U phase winding 32U, V phase windings
Magnetic force produced by 32V and W phase windings 32W energizations, is rotated relative to stator 3.It should be noted that so-called " position phase point
Xiang Cha not be 120 ° ", in addition to being differed except position really for 120 ° of situation, in addition to position is differed from 120 ° of situations about deviateing several times.
In addition, in vehicle deceleration, the induced electricity produced in each winding 32 is rotated in due to rotary shaft 21 and the magnetic right side 22
Stream, is exported to inverter by motor distribution component 4.The electric current is converted to direct current by inverter from exchange, is used as charging
Electric current is supplied to the battery for omitting and illustrating.
1. the motor explanation of distribution component 4
Fig. 2 and Fig. 3 are the stereograms of motor distribution component 4.In the following description, by parallel to the rotation of rotary shaft
Shaft axis O direction is referred to as axial direction.In addition, in the following description, the direction axially vertical with this is referred to as radially, will be with
Axially and radially vertical direction is referred to as circumference.
As shown in Figures 2 and 3, U phase wiring part 41 of the motor in distribution component 4, V phases wiring part 42 and W phase distributions
Portion 43 is formed by collector ring, and the collector ring includes the main part 410,420,430, Yi Jishe that extension in the circumferential is formed as ring-type
Put on main part 410,420,430 and be connected with winding 32 (U phase winding 32U, V phase winding 32V and W phase winding 32W)
Multiple connecting portions 411,421,431.It should be noted that eliminating neutral phase wiring part 44 in Fig. 2 and Fig. 3.
More specifically, U phases wiring part 41, which is formed with, is formed as the main part 410 of ring-type, is connected to U phase windings
A 32U side end 321U multiple (in present embodiment be 4) connecting portions 411 and from main part 410 in the axial direction and
Erect the power supply 412 formed.The U phase power supply terminals being connected with U phases power supply circuit (cable etc.) are provided with power supply 412
413。
V phases wiring part 42 is formed with the side end for being formed as the main part 420 of ring-type, being connected to V phase windings 32V
321V multiple (in present embodiment be 4) connecting portions 421 and power supply formed by being erect in the axial direction from main part 420
Portion 422.The V phases power supply terminal 423 being connected with V phases power supply circuit (cable etc.) is provided with power supply 422.
W phases wiring part 43 is formed with the side end for being formed as the main part 430 of ring-type, being connected to W phase windings 32W
321W multiple (in present embodiment be 4) connecting portions 431 and power supply formed by being erect in the axial direction from main part 420
Portion 432.The W phases power supply terminal 433 being connected with W phases power supply circuit (cable etc.) is provided with power supply 432.
Fig. 4 is the stereogram of U phases wiring part 41, V phases wiring part 42 and W phases wiring part 43.As shown in figure 4, each wiring part
41~43, using insulated electric conductor formed by insulator 400b is coated with the center conductor 400a of wire, will turn into connecting portion
411st, the insulated electric conductor looped-shaped bending that the insulator 400b of 421,431 parts is removed is formed.The both ends of the insulated electric conductor
As power supply 412,422,432.In the present embodiment, center conductor 400a is the wire-like formed by copper of single etc.
Body, wiring part 41~43 is formed by plastic deformation, with the rigidity that will not be deformed by deadweight.
The connecting portion 411,421,431 of each wiring part 41~43, by eliminating the exposing in single line of insulator 400b
Heart conductor 400a part is formed.Multiple connecting portions 411 of U phases wiring part 41 are by flexural center conductor 400a from main part
410 is prominent to the inner side of radial direction.Similarly, multiple connecting portions 421 of V phases wiring part 42 by flexural center conductor 400a from
Main part 420 is prominent to the inner side of radial direction.In addition, similarly, multiple connecting portions 431 of W phases wiring part 43 pass through flexural center
Conductor 400a and it is prominent from main part 430 to the inner side of radial direction.
Each connecting portion 411,421,431 is formed as
Ω shape), empty part is entered in the state of insert has winding 32U, 32V, 32W side end 321U, 321V, 321W wherein
Row hot riveting (welding), so that winding 32U, 32V, 32W are electrically connected with wiring part 41~43.
The connection of multiple connecting portions 411 of U phases wiring part 41, the connecting portion 421 of V phases wiring part 42 and W phases wiring part 43
Portion 431, be set to it is not overlapping in the axial direction, and in the circumferential interval difference it is equal.It should be noted that it is so-called be set between
Every equal respectively, it can also be not completely equivalent, for example can also deviation 0.1mm~2.0mm or so.
There is the power supply 412 of U phases wiring part 41 the 1 pair of extension extended towards radial outside to prolong in portion 412a, and from
1 couple of rise part 412b formed by the leading section of 1 couple of extension 412a to axial direction setting.In 1 couple of rise part 412b from
U phases power supply terminal 413 is connected with the center conductor 400a that insulator 400b exposes, U is provided by the U phases power supply terminal 413
Phase driving current.
Similarly, there is the power supply 422 of V phases wiring part 42 the 1 pair of extension extended towards radial outside to prolong in portion
422a, and from the leading section of 1 couple of extension 422a to axially 1 couple of rise part 422b formed by setting.In 1 pair of rise part
V phases power supply terminal 423 is connected with from the center conductor 400a that insulator 400b exposes in 422b, passes through the V phase feeder ears
Son 423 provides V phase driving currents.
In addition, similarly, there is the power supply 432 of W phases wiring part 43 the 1 pair of extension extended towards radial outside to prolong
Portion 432a, and 1 couple of rise part 432b from the leading section of 1 couple of extension 432a to axially setting formation.In 1 pair of rise part
W phases power supply terminal 433 is connected with from the center conductor 400a that insulator 400b exposes in 432b, passes through the W phase feeder ears
Son 433 provides W phase driving currents.
In addition, motor distribution component 4 has the main part 410,420,430 of each wiring part 41~43 of holding and mutual
Fixed multiple main body maintaining parts 7.Main body maintaining part 7 is that insulative resin is carried out into being integrally formed for resin formed by injection molding
Around product, the main part 410,420,430 to cover each wiring part 41~43 in the lump (cover in the lump each main part 410,420,
430 part in the circumferential).As the insulative resin for main body maintaining part 7, such as PPS (polyphenylene sulfides can be used
Ether).
In present embodiment, multiple (being herein 24) main body maintaining parts 7 are circumferential etc. along main part 410,420,430
Interval configuration.In addition, multiple main body maintaining parts 7 be respectively set to be located in the circumferential adjacent connecting portion 411,421,431 it
Between.
2. the explanation of magnetic material core
Fig. 5 is by the exploded perspective view shown in magnetic material core and maintaining part decomposition.In addition, Fig. 6 is horizontal for Fig. 2 line A-A
Sectional view.
As shown in Figures 5 and 6, the magnetic of ring-type is further comprised according to the motor distribution component 4 of present embodiment
Body magnetic core, to cover U phases wiring part 41, V phases wiring part 42 and W phases wiring part 43 in the lump.
In the present embodiment, by magnetic material core 5 be set to cover in the lump the power supply 412 of each wiring part 41~43,
422nd, around rise part 421b, 422b, 432b in 432.That is, magnetic material core 5 is arranged on power supply terminal 413,423,433
Between connecting portion 411,421,431.
When being set to cover each wiring part 41~43 by magnetic material core 5, the center conductor 400a of wiring part 41~43
The electromagnetic combination between magnetic material core 5, adds impedance.Input is to surge voltage of the motor with distribution component 4, by the resistance
The impedance partial pressure of anti-and winding 32 is after-applied, therefore, by setting magnetic material core 5, can suppress to apply to winding 32
Surge voltage.As a result, can suppress to cause the problem of durability of winding 32 is deteriorated in the generation electric discharge of winding 32.
Further, the aggregate value for removing the driving current of the U phases after surge voltage or interference, V phases and W phases is zero, therefore,
The magnetic material core 5 of each wiring part 41~43 is covered in the lump by setting, so as to be carried out to magnetic material core 5 magnetized
Magnetic field reduces.As a result, magnetic material core is difficult to magnetic saturation, in addition, can suppress the heating of magnetic material core 5.
It should be noted that, although it is contemplated that magnetic material core 5 is arranged on main part 410,420,430, but
It is the presence of following situation in the case of this, i.e.,：The upstream side (side of power supply terminal 413,423,433) of magnetic material core 5 is being set such as
A part for fruit driving current is split being supplied to winding 32, then the conjunction of the driving current of 5 covering parts of magnetic material core
Evaluation will no longer be zero, so as to there is a situation where fully obtain the effect above.It is therefore desirable to relative to driving current shunting
To magnetic material core 5 is arranged on into power supply terminal 413 for the position (being connecting portion 411,421,431 here) of winding 32,
423,433 sides, to cover each wiring part 41~43 in the lump.I.e. it is desired to which magnetic material core 5 is set to be covered in multiple companies in the lump
The connecting portion 411,421,431 nearest from power supply terminal 413,423,433 and power supply terminal 413 among socket part 411,421,431,
423rd, each wiring part 41~43 between 433.
Further, by being set to magnetic material core 5 to cover each wiring part 41~43, by magnetic material core 5 and center
The inductor that Guide bodies 400a is constituted, works, therefore so that High-frequency Interference declines as the low-frequency filter for preventing high frequency electric
Subtract, so as to reduce the electricity that the power supply circuit being connected from each wiring part 41~43, with each wiring part 41~43 is radiated simultaneously
Magnetic disturbance.
In present embodiment, as magnetic material core 5, the material formed by nanocrystal soft magnetic material is used.It is so-called
Nanocrystal soft magnetic material, refers to be crystallized amorphous alloy, so that ferromagnetism phase semiconductor nanocrystal particles point
It is dispersed in the material in the amorphous phase of remaining.
Herein, as nanocrystal soft magnetic material, Off ァ イ Application メ ッ ト (registration mark, FINEMET) are used.By Off ァ
The magnetic material core 5 of イ Application メ ッ ト (registration mark, FINEMET) formation, for example, will be using Fe (- Si)-B as matrix composition, at it
In added with the element such as micro Cu and Nb, Ta, Mo, Zr, the alloy molten liquid is passed through the super rapidly cooling method such as single-roller method
The thin with of amorphous metal that thickness is about 20 μm is initially formed, it (is herein, to cover each wiring part in the lump to be configured to core shapes
41~43 ring-type) after, progress heat treatment crystallizes it more than crystallized temperature, is consequently formed.In magnetic material core 5
Crystallization particle diameter is about 10nm.It should be noted that as magnetic material core 5, Off ァ イ Application メ ッ ト (registrars can also be used
Mark, FINEMET) beyond nanocrystal soft magnetic material, such as NANOMET (registration mark).
Nanocrystal soft magnetic material is compared with the soft magnetic materials such as the soft ferrite that always uses, with higher saturation magnetic
Flux density and excellent soft magnetic characteristic (high magnetic susceptibility, low core loss characteristic).Thus, as magnetic material core 5 by using
Nanocrystal soft magnetic material, can make it possible the miniaturization of magnetic material core 5.As a result, motor can be suppressed
, also can will be electronic in the case that magnetic material core 5 is installed with the maximization and the increase of quality of distribution component 4
Machine distribution component 4 is overall to be maintained compact and light weight.The size (thickness and length) of magnetic material core 5, it may be considered that institute
Characteristic of nanocrystal soft magnetic material used etc., it is appropriately designed to obtain expected characteristic.
In addition, nanocrystal soft magnetic material is compared with the soft magnetic materials such as the soft ferrite that always uses, with can be with
Suppress the characteristics of the electromagnetic interference of frequency range used in radio such as AM radios.In vehicle, due to passing through AM radios etc.
Road information etc. is provided, asking under money for motor distribution component 4 has especially been applicable in vehicle, it may be said that suppress radio
The effect of electromagnetic interference under used frequency range is very big.
But, nanocrystal soft magnetic material has the property that, i.e., when by from outside stress, magnetic characteristic is easy
In changing.Therefore, in the case where using the magnetic material core 5 formed by nanocrystal soft magnetic material, it is necessary to structure
As causing magnetic material core 5 not by from outside stress.
In present embodiment, motor has the maintaining part 6 formed by insulative resin with distribution component 4, and it covers in the lump
U phases wiring part 41, V phases wiring part 42 and W phases wiring part 43 are covered, and keeps U phases wiring part 41 and V phases wiring part 42 and W
Phase wiring part and interfix, magnetic ' property body magnetic core 5 is arranged in maintaining part 6.As insulative resin used in maintaining part 6,
Preferably use and be difficult to because of the material that external force deforms, for example, PPS (polyphenylene sulfide), PA (polyamide), PBT can be used (poly-
Mutual-phenenyl two acid bromide two alcohol ester) etc. engineering plastics.
In the present embodiment, maintaining part 6 includes main part (retainer body portion) 61 and cap 62；Retainer body portion 61
It is the inner side maintaining part 61a of Long Circle and covering inner side maintaining part with the cross section of multiple wiring parts 41,42,43 is kept in the lump
61a outside wall portions 61b, and it is formed between inner side maintaining part 61a and outside wall portions 61b the receipts for storing magnetic material core 5
Receive groove 63；Cap 62 is set to block the opening of the accommodating groove 63 in main part 61.Magnetic material core 5 is accommodated in maintaining part 6
In accommodating groove 63 in main part 61.
It is used as the structure suppressed in magnetic material core 5 from outside application stress, it is preferable that inner side maintaining part 61a thickness
Spend for more than 1.0mm.Herein, inner side maintaining part 61a thickness refers to from the outer peripheral face of wiring part 41~43 to inner side maintaining part
The distance between 61a outer peripheral face.In addition, outside wall portions 61b thickness is preferably also more than 1.0mm.
From more suppress to apply magnetic material core 5 from outside stress this with viewpoint, it is preferable that main part 61
It is harder than magnetic material core 5.In detail, preferably inner side maintaining part 61a and outside wall portions 6lb is harder than magnetic material core 5.This place
" inner side maintaining part 61a is harder than magnetic material core 5 " said refers to, when maintaining part 61a two ends carry out bending on the inside of holding,
During compared to holding the two ends progress bending with the magnetic material core 5 of inner side maintaining part 61a equal lengths, more it is difficult to bending.
In addition, " outside wall portions 61b is harder than magnetic material core 5 " refers to, the two ends of thickness thinnest section are entered among outer wall prefecture 61b is held
During row bending, during compared to holding the two ends progress bending with the magnetic material core 5 of the part equal length, it is more difficult to bending.
By making main part 61 turn into such structure, the vibration due to Vehicular vibration or motor 1 can be more reduced
The stress in magnetic material core 5 is applied to Deng caused by.Thus, as magnetic material core 5, even if for example, use should when application
Magnetic characteristic is prone to the nanocrystal soft magnetic material of change during power, also can further suppress the change of magnetic characteristic.
The main part 61 of maintaining part 6 is formed by resin casting, with cover each wiring part 41~43 power supply 412,
422nd, 432 (end (being referred to as leading section) of the side of power supply terminal 413,423,433 except rise part 421b, 422b, 432b is covered
Outside part), be wholely set with each wiring part.In the present embodiment, the main part 611 of maintaining part 6 with main part 61
Setting immediately below 3 main body maintaining parts 7 be integrally formed.Main part 61 has following effect concurrently, i.e.,：Keep each wiring part 41~
43, with protecting magnetic material core 5 around magnetic material core 5 and the effect that interfixes, and covering magnetic material core 75, suppress
The effect of the deterioration of the magnetic characteristic of magnetic material core 5.
Accommodating groove 63 is used to store magnetic material core 5.Table in the side of power supply terminal 413,423,433 as main part 61
On the upper surface in face, accommodating groove 63 is formed as blocking the opening of the side of power supply terminal 413,423,433.
Cap 62 plays coming off for the magnetic material core 5 that suppression is accommodated in accommodating groove 63, protects the work of magnetic material core 5
With.Cap 62 is formed as tabular, and passing through for the leading section for inserting rise part 421b, 422b, 432b is formed with cap 62
Through hole 621.Cap 62 inserts rise part 421b, 422b, 432b for having each wiring part 41~43 front end in through hole 621
Portion, meanwhile, installed in the upper surface of main part 61.The method that cap 62 is fixed on main part 61 does not have special limitation,
It is, for example, possible to use cap 62 is bonded and fixed on main part 61 by binding agent, can also be by using lance hook (ラ Application ス) etc.
Cap 62 is fixed on main part 61 by locking mechanism.
In the present embodiment, after magnetic material core 5 is accommodated in the accommodating groove 63 of main part 61, cap 62 is pacified
On main part 61, hereafter, in rise part 421b, 422b, 432b leading section, fixed respectively by moulding (plus Parties め) etc.
Power supply terminal 413,423,433.In this way, maintaining part 6 has each wiring part 41~43 of holding and magnetic material core 5 concurrently and remains relative
The effect of position relationship, and protection magnetic material core 5 suppress the magnetic characteristic caused by the external force being applied in magnetic material core 5
Change effect.
It should be noted that magnetic material core 5 can be wholely set with maintaining part 6 by insert part forming.But, herein
In the case of, exist due to being molded the risk that the resin pressure of maintaining part 6 causes the magnetic characteristic of magnetic material core 5 to deteriorate.Therefore, being
Suppress the deterioration of the magnetic characteristic of magnetic material core 5, be preferably configured as magnetic material core 5 being accommodated in beforehand through shapes such as injection moldings
Into main part 61 accommodating groove 63 in.
3. the functions and effects of embodiment
It is as described above, according to the motor of present embodiment distribution component 4, with covering U phases wiring part 41 in the lump
With the timid body magnetic core 5 of magnetic of V phases wiring part 42 and the ring-type of W phases wiring part 43.
By being set to magnetic material core 5 to cover each wiring part 41~43, the wave being applied on winding 32 can be suppressed
Voltage is gushed, so as to suppress the durability deterioration for occurring winding 32 caused by electric discharge in winding 32.Further, since U phases, V phases and W
The driving current aggregate value of phase is zero, by being set to magnetic material core 5 to cover each wiring part 41~43, magnetic magnetic in the lump
Core 5 is difficult to magnetic saturation, so as to suppress the heating of magnetic.As a result, can minimize magnetic material core 5, will be electronic
The machine overall compact of distribution component 4.
In this way, according to present embodiment, even if unlike existing method, being used as the insulating materials of winding 32 high
Expensive material, or the thickness of insulating materials is thickened, following motor distribution components 4 can be also realized, i.e., can be suppressed
Because surge voltage produce electric discharge, suppress because surge voltage produce electric discharge while, can reduce winding 32 cost and
The motor of the maximization of winding 32 distribution component 4.
In addition, in the present embodiment, magnetic material core 5 is formed by nanocrystal soft magnetic material.By using by receiving
The magnetic material core 5 of rice crystallization soft magnetic material formation, compared with ferrite magnetic core for always using etc., can realize magnetic
Miniaturization, the lightweight of magnetic core 5, are also able to maintain that motor distribution component 4 is whole in the case of magnetic material core 5 is set
The small-sized and light weight of body.In the present embodiment, " set magnetic material core 5 to cover each wiring part 41~43 " in the lump, and by
In " magnetic material core 5 is formed by nanocrystal soft magnetic material ", therefore, pass through its synergy so that magnetic material core 5
Smallerization, lightweight are possibly realized, and can realize the compact electricity of carrying well on as the vehicle for carrying object
Motivation distribution component 4.
4. embodiment is summarized
Next, for the technological thought held based on embodiments described above, quoting attached in embodiment
Icon note etc. is recorded.But, each reference in recording below etc., being not intended to will by the composition in claims
Element is limited to part specifically illustrated in entity mode etc..
[1] motor is with distribution component (4), is disposed on providing U phases, V phases and W phases that position mutually differs 120 ° respectively
Motor in the motor (1) of driving current is with distribution component (4), and the motor (1), which includes providing the U phases, drives electricity
The U phase windings (32U) of stream, the V phase windings (32V) that the V phases driving current is provided and the W that the W phases driving current is provided
Phase winding (32W), wherein, the motor distribution component (4) includes：
U phases wiring part (41), while it is electrically connected with the U phase windings (32U), with for providing the U phases
The U phases power supply terminal (413) of the U phases power supply circuit connection of driving current, by the U phases from the U phases power supply circuit
Driving current is supplied to the U phases phase winding (32U)；
V phases wiring part (42), while it is electrically connected with the V phase windings (32V), with for providing the V phases
The V phases power supply terminal (423) of the V phases power supply circuit connection of driving current, by the V phases from the V phases power supply circuit
Driving current is supplied to the V phase windings (32V)；
W phases wiring part (43), while it is electrically connected with the W phase windings (32W), with for providing the W phases
The W phases power supply terminal (433) of the W phases power supply circuit connection of driving current, by the W phases from the W phases power supply circuit
Driving current is supplied to the W phase windings (32W)；And
The magnetic material core (5) of ring-type, its cover in the lump the U phases wiring part (41), the V phases wiring part (42) and
The W phases wiring part (43).
[2] motor recorded such as [1] item is with distribution component (4), and the magnetic material core (5) is by nanocrystal soft magnetism material
Material is formed.
[3] distribution component (4), including the maintaining part (6) formed by resin of the motor as described in [1] item or [2] item,
The maintaining part (6) covers the U phases wiring part (41), the V phases wiring part (42) and the W phases wiring part in the lump
(43), and the U phases wiring part (41), the V phases wiring part (42) and the W phases wiring part (43) are kept, wherein, it is described
Magnetic material core (5) is arranged in the maintaining part (6).
[4] motor as described in [3] item is with distribution component (4), and the maintaining part (6) includes retainer body portion (61),
The retainer body portion (61) includes keeping the U phases wiring part (41), the V phases wiring part (42) and the W phases in the lump
The inner side maintaining part (61a) of wiring part (43), and the outside wall portions (61b) of the inner side maintaining part (61a) are covered, in the inner side
The accommodating groove (63) for storing the magnetic material core (5) is formed between maintaining part (61a) and the outside wall portions (61b).
[5] distribution component (4), the inner side maintaining part (61a) and the outside wall portions of the motor as described in [4] item
(61b) is harder than the magnetic material core (5).
[6] distribution component (4), including cap (62) of the motor as described in [4] item or [5] item, the cap (62)
It is arranged in the retainer body portion (61) to block the opening of the accommodating groove (63).
[7] motor as described in [1] item to any one of [6] item is with distribution component (4), the U phases wiring part (41),
The V phases wiring part (42) and the W phases wiring part (43) are formed by collector ring, and the collector ring, which has, is formed as ring-type
Main part (410,420,430) and be arranged on the main part (410,420,430) and with the U phase windings (32U), the V
Phase winding portion (32V) or multiple connecting portions (411,421,431) of the W phase windings (32W) connection.
[8] there is the motor (1) of motor distribution component (4) described in [1] item to any one of [7] item.
More than, embodiments of the present invention are illustrated, but the embodiment of above-mentioned record is not intended to limit
The scope of claim.It is not necessarily all to use in addition, it is necessary to be noted that, illustrated all combinations of features in embodiment
In the necessary means for the problem for solving the present invention.
The present invention, can carry out appropriate deformation to implement in scope without departing from the spirit.
For example, in the above-described embodiment, each wiring part 41~43 for motor distribution component 4 is collector ring
Situation is illustrated, but each wiring part 41~43 can also be not formed as ring-type, for example, can be the one of connection winding 32
The power line of side end and binding post.Alternatively, it is also possible to directly be provided for the end of winding 32 being connected with power supply circuit
Power supply terminal 413,423,433.In the case, the end of the winding 32 on magnetic core 31 is drawn, in the extraction
The end of winding 32 sets power supply terminal 413,423,433, one of the winding 32 that should be drawn from magnetic core constitute wiring part 41~
43。
Claims (8)
1. a kind of motor distribution component, is disposed on being provided the drive of U phases, V phases and W phases that position mutually differs 120 ° respectively
Motor distribution component in the motor of streaming current, the motor include providing the U phases of the U phases driving current around
Group, the V phase windings that the V phases driving current is provided and the W phase windings that the W phases driving current is provided, wherein, it is described electronic
Machine is included with distribution component：
U phase wiring parts, while it is electrically connected with the U phase windings, with for the U phases with providing the U phases driving current
The U phase power supply terminals of power supply circuit connection, the U is supplied to by the U phases driving current from the U phases power supply circuit
Phase winding；
V phase wiring parts, while it is electrically connected with the V phase windings, with for the V phases with providing the V phases driving current
The V phase power supply terminals of power supply circuit connection, the V is supplied to by the V phases driving current from the V phases power supply circuit
Phase winding；
W phase wiring parts, while it is electrically connected with the W phase windings, with for the W phases with providing the W phases driving current
The W phase power supply terminals of power supply circuit connection, the W is supplied to by the W phases driving current from the W phases power supply circuit
Phase winding；And
The magnetic material core of ring-type, it covers the U phases wiring part, the V phases wiring part and the W phases wiring part in the lump.
2. motor distribution component as claimed in claim 1, wherein, the magnetic material core is by nanocrystal soft magnetism material
Material is formed.
3. motor distribution component as claimed in claim 1 or 2, wherein, including the maintaining part formed by resin, the guarantor
Hold portion and cover the U phases wiring part, the V phases wiring part and the W phases wiring part in the lump, and keep the U phases wiring part,
The V phases wiring part and the W phases wiring part,
The magnetic material core is arranged in the maintaining part.
4. motor distribution component as claimed in claim 3, wherein, the maintaining part includes retainer body portion, the guarantor
Holding main part includes keeping the inner side maintaining part of the U phases wiring part, the V phases wiring part and the W phases wiring part in the lump,
With the outside wall portions for covering the inner side maintaining part, it is formed between the inner side maintaining part and the outside wall portions for storing institute
State the accommodating groove of magnetic material core.
5. motor distribution component as claimed in claim 4, wherein, described in inner side maintaining part and the outside wall portions ratio
Magnetic material core is harder.
6. the motor distribution component as described in claim 4 or 5, wherein, including cap, the cap is arranged on the guarantor
Main part is held to block the opening of the accommodating groove.
7. the motor distribution component as described in any one of claim 1 to 6, wherein, the U phases wiring part, the V match
Line portion and the W phases wiring part are formed by collector ring, and the collector ring has the main part for being formed as ring-type and is arranged on institute
State main part and the multiple connecting portions being connected with the U phase windings, the V phase windings portion or the W phase windings.
8. a kind of motor, with the motor distribution component as described in any one of claim 1 to 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016070917A JP6814383B2 (en) | 2016-03-31 | 2016-03-31 | Wiring members for electric motors and electric motors |
| JP2016-070917 | 2016-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107276276A true CN107276276A (en) | 2017-10-20 |
| CN107276276B CN107276276B (en) | 2020-08-21 |
Family
ID=60007786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710190184.6A Active CN107276276B (en) | 2016-03-31 | 2017-03-27 | Wiring member for motor and motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6814383B2 (en) |
| CN (1) | CN107276276B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636512A (en) * | 2019-09-24 | 2021-04-09 | 日立金属株式会社 | Wiring member for rotating electric machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000208343A (en) * | 1999-01-19 | 2000-07-28 | Okaya Electric Ind Co Ltd | Common mode choke coil |
| CN1550058A (en) * | 2001-09-03 | 2004-11-24 | ���＼�й�ҵ��ʽ���� | Collecting and distributing ring for rotary electric machine stator |
| JP2008312277A (en) * | 2007-06-12 | 2008-12-25 | Fuji Heavy Ind Ltd | Electric motor |
| JP4951646B2 (en) * | 2009-03-26 | 2012-06-13 | 本田技研工業株式会社 | Terminal block and inverter case |
| CN102782995A (en) * | 2010-03-03 | 2012-11-14 | 日本电产株式会社 | Stator and motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6073703B2 (en) * | 2013-02-22 | 2017-02-01 | 住友電装株式会社 | Centralized power distribution member of motor |
-
2016
- 2016-03-31 JP JP2016070917A patent/JP6814383B2/en active Active
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2017
- 2017-03-27 CN CN201710190184.6A patent/CN107276276B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000208343A (en) * | 1999-01-19 | 2000-07-28 | Okaya Electric Ind Co Ltd | Common mode choke coil |
| CN1550058A (en) * | 2001-09-03 | 2004-11-24 | ���＼�й�ҵ��ʽ���� | Collecting and distributing ring for rotary electric machine stator |
| JP2008312277A (en) * | 2007-06-12 | 2008-12-25 | Fuji Heavy Ind Ltd | Electric motor |
| JP4951646B2 (en) * | 2009-03-26 | 2012-06-13 | 本田技研工業株式会社 | Terminal block and inverter case |
| CN102782995A (en) * | 2010-03-03 | 2012-11-14 | 日本电产株式会社 | Stator and motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636512A (en) * | 2019-09-24 | 2021-04-09 | 日立金属株式会社 | Wiring member for rotating electric machine |
| CN112636512B (en) * | 2019-09-24 | 2023-12-19 | 株式会社博迈立铖 | Wiring member for rotary electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6814383B2 (en) | 2021-01-20 |
| CN107276276B (en) | 2020-08-21 |
| JP2017184526A (en) | 2017-10-05 |
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