CN107534339B - Rotating electric machine - Google Patents
Rotating electric machine Download PDFInfo
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- CN107534339B CN107534339B CN201580079158.5A CN201580079158A CN107534339B CN 107534339 B CN107534339 B CN 107534339B CN 201580079158 A CN201580079158 A CN 201580079158A CN 107534339 B CN107534339 B CN 107534339B
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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
Abstract
The armature of rotating electric machine has armature core, multiple lubber rings, multiple upper coils and multiple inner coils.Assuming that imaginary coil is to the imagination lubber ring installation condition as phase each in armature core in the circumferential each setting range of multiple setting ranges of equal part is respectively occurred one, 2 imaginary lubber rings for constituting each imaginary coil pair are being set as imaginary certain coil, if when by imaginary lubber ring that 2 imaginary certain coils clip for imagination adjustment coil, each lubber ring avoids whole positions of each imaginary certain coil and each imagination adjustment coil in the adjusting range as a part of setting range and at the position that configured in each imaginary lubber ring.Width dimensions T1 positioned at the magnetic pole tooth of an end portion of adjusting range is T ' narrower than the width dimensions T0 of other magnetic pole tooths, the identical size of width dimensions T2 ratio T0 wide and T ' of the magnetic pole tooth at the other end of adjusting range.
Description
Technical field
The present invention relates to the rotating electric machines of the rotor with armature and relative to armature rotation.
Background technique
In the past, known on multiple magnetic pole tooths of armature core by double-layer overlapping winding in a manner of wind multiple armature coils
And constitute the rotating electric machine of armature.In addition, proposing armature below in the past in order to be easy the winding armature coil on armature core
Manufacturing method: make the form of end turn not according to each coil in alignment, but according to every phase by the strands of armature coil according to
It is secondary to be inserted into each slot of armature core (referring for example to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 11-98743 bulletin
Summary of the invention
Subject to be solved by the invention
However, due to the end turn of each armature coil be arranged to it is more complicated, in the slot to armature core insert
When entering the strands of armature coil, the end turn of adjacent armature coil can become obstacle.Since end turn is alternating with each other dry
It disturbs, coil length adjustment and end turn shaping operation etc. can be generated, so as to expect winding armature line in armature core
Instead the operation of circle becomes difficult.
The present invention is precisely in order to solve the above subject and complete, it is intended that it is good and can to obtain acting characteristic
The rotating electric machine for becoming easy manufacture.
Means for solving the problems
Rotating electric machine of the invention includes armature core, have be separated from each other in the circumferential be positioned apart from it is multiple
Magnetic pole tooth is formed with slot between each magnetic pole tooth；Armature coil group has and separately includes configuration in slot different from each other
A pair of of coil side and by multiple armature coils of the end turn connected between a pair of of coil side, each armature coil is to be overlapped
The mode of winding is wound in magnetic pole tooth, flows through three-phase current in each armature coil；And rotor, have and arranges in the circumferential
Multiple magnetic poles, rotated relative to armature core and armature coil group, armature coil group have upper coil, inner coil and
Multiple lubber rings are all configured as armature coil, a coil side of upper coil and another coil side in the suitable for reading of slot, under
One coil side of layer line circle and another coil side all configure the lower mouth in slot, and the coil side configuration of multiple lubber rings exists
Slot it is suitable for reading, another coil side configure slot lower mouth, when letting N be 2 or more natural number, every pole slot number q ' meets N <
The relationship of q ' < N+1, the end turn of each lubber ring with relative to armature core it is circumferential to it is identical towards inclined state across
The N+1 magnetic pole tooths, upper coil and the respective end turn of inner coil are crossed across N number of magnetic pole tooth, it is assumed that vacation below
Think lubber ring installation condition: the whole in each slot will be configured with each coil side of the mutually isostructural multiple imaginary lubber rings of lubber ring
Suitable for reading and lower mouth, also, the imaginary coil being made of following 2 imaginary lubber rings is to by armature core equal part in the circumferential
Multiple setting ranges each setting range in each mutually each occur one, wherein this 2 imaginary lubber rings, which have, to be respectively configured
The reversed such relationship of the current in phase flowed through in 2 coil sides at the place suitable for reading for 2 slots for clipping N number of magnetic pole tooth, is setting
The imaginary lubber ring of each imaginary coil pair is constituted as imaginary certain coil, if specific by 2 imaginations for constituting each imaginary coil pair
When the imaginary lubber ring that coil clips is imagination adjustment coil, each lubber ring is avoided as a part setting in each setting range
Whole positions of each imaginary certain coil and each imagination adjustment coil in the adjusting range of range, configuration is in each imaginary lubber ring
Position at, each imaginary certain coil of upper coil and inner coil respective coil side configuration in adjusting range is respective
At the position of coil side, positioned at an end portion of adjusting range magnetic pole tooth width dimensions T1 than other magnetic pole tooths broad-ruler
The very little narrow tooth width of T0 adjusts size T ', and the width dimensions T2 of the magnetic pole tooth at the other end of adjusting range is than other magnetic poles
The identical size of width dimensions T0 wide and tooth width adjustment size T ' of tooth.
Invention effect
Rotating electric machine according to the present invention, acting characteristic is good and manufacture can be made to become easy.
Detailed description of the invention
Fig. 1 is the structure chart for showing the rotating electric machine of the 1st embodiment of the invention.
Fig. 2 is the expanded view for showing a part of armature of Fig. 1.
Fig. 3 is the expanded view for showing the parts different from part shown in Figure 2 of armature of Fig. 1.
Fig. 4 is the structure chart for showing the rotating electric machine of comparative example 1.
Fig. 5 is the expanded view for showing the armature of rotating electric machine of Fig. 4.
Fig. 6 is the enlarged view of the armature of the rotating electric machine of Fig. 5.
Fig. 7 is the table for showing the winding coefficient Kd of the rotating electric machine of comparative example 1.
Fig. 8 is the table for showing the winding coefficient Kd of the rotating electric machine of Fig. 1.
Fig. 9 is the expanded view for showing a part of the armature of rotating electric machine of comparative example 1 '.
Figure 10 is the structure chart for showing the rotating electric machine of the 2nd embodiment of the invention.
Figure 11 is the structure chart for showing the rotating electric machine of comparative example 2.
Figure 12 is the expanded view for showing the armature of Figure 11.
Figure 13 is the table for showing the winding coefficient Kd of the rotating electric machine of comparative example 2.
Figure 14 is the structure chart for showing the rotating electric machine of the 3rd embodiment of the invention.
Figure 15 is the expanded view for showing a part of armature of Figure 14.
Figure 16 is the expanded view for showing the parts different from part shown in Figure 15 of armature of Figure 14.
Figure 17 is the table for showing the winding coefficient Kd of the rotating electric machine of Figure 14.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the preferred embodiment of the present invention.
1st embodiment
Fig. 1 is the structure chart for showing the rotating electric machine of the 1st embodiment of the invention.In figure, rotating electric machine 1 has cylinder
Rotary shaft 3 on the axis of armature 2 of the armature (stator) 2 of shape, configuration and be fixed on rotary shaft 3 and with 3 one of rotary shaft
The rotor 4 that ground is rotated relative to armature 2.
Rotor 4 is configured in the inside of armature 2.In addition, rotor 4 is cylindric with being made of magnetic material (such as iron etc.)
Rotor core 5 and be arranged in rotor core 5 outer peripheral surface (face opposite with the inner peripheral surface of armature 2) multiple magnet 6.
Each magnet 6 is separated from each other compartment of terrain configuration in the circumferential direction of rotor core 5.It is formed with by each magnet 6 in rotor on rotor 4
The multiple magnetic poles arranged in the circumferential direction of iron core 5.In this example, the outer peripheral surface of rotor core 5 is provided with 28 magnet 6, rotor 4
Number of magnetic poles P be 28.
The armature that armature 2 has the armature core 7 being made of magnetic material (such as iron etc.) and is set to armature core 7
Coil group 8.
Armature core 7 has cylindric rear yoke 9 and dashes forward from the inner peripheral portion of rear yoke 9 to radially inner side (towards rotor 4)
Multiple magnetic pole tooths 10 out.Each magnetic pole tooth 10 is separated from each other in the circumferential direction for being spaced apart and arranged in armature core 7.As a result, in each magnetic
The slot 11 that the radially inner side (towards rotor 4) of oriented armature core 7 is opened is formed between pole tooth 10.In armature core 7, magnetic pole
The quantity of tooth 10 is identical as quantity (slot number) Q of slot 11.In this example, the quantity of magnetic pole tooth 10 and slot number Q are 72.
Here, for convenience of explanation, the slot 11 being located in Fig. 1 on the upside of the center of rotary shaft 3 is benchmark slot, if benchmark
The number of slot 11 is No.1.In addition, from the baseline trough No.1 of Fig. 1, according to sequence counterclockwise set the number of each slot 11 as
No.2,No.3,……,No.72.In addition, the number for the magnetic pole tooth 10 being set between the slot 11 of the No.1 and No.2 of Fig. 1 is
No.1, from the magnetic pole tooth 10 of No.1, according to sequence counterclockwise set the number of each magnetic pole tooth 10 as No.2, No.3 ...,
No.72。
In addition, every pole slot number (each magnetic pole of rotor 4 as the coefficient for indicating the relationship between slot number Q and number of magnetic poles P
Slot 11 quantity) q ' with following formula (1) indicate.
Q '=Q/P ... formula (1)
Therefore, in this example, the value of every pole slot number q ' is 72/28=18/7 ≒ 2.57.
Fig. 2 is the expanded view for showing a part of armature 2 of Fig. 1.In addition, Fig. 3 be show Fig. 1 armature 2 in Fig. 2
The expanded view of the different part in the part shown.The model of each slot 11 of No.1~No.24 in the armature 2 of Fig. 1 is shown in FIG. 2
It encloses, the range of each slot 11 of No.37~No.61 in the armature 2 of Fig. 1 is shown in FIG. 3.Armature coil group 8 has multiple bases
Coil 12, multiple upper coils 13 and multiple inner coils 14 are used as armature coil.
Lubber ring 12, upper coil 13 and inner coil 14 are wound up into the bundle conductor of multiple magnetic pole tooths 10 by summarizing respectively
It constitutes.That is, lubber ring 12, upper coil 13 and inner coil 14 are wound in magnetic pole tooth 10 in a manner of being overlapped winding respectively.
In addition, respectively constitute the bundle conductor of lubber ring 12, upper coil 13 and inner coil 14 line kind and the number of turns it is all identical.
Lubber ring 12, upper coil 13 and inner coil 14 are respectively provided with a pair configured in slot 11 different from each other
Coil side 21 and a pair of of the end turn 22 that will be connected between a pair of of coil side 21 across multiple magnetic pole tooths 10.Respectively
Coil side 21 is the substantially straight line portion along slot 11.Each end turn 22 connects coil on the outside of the axis direction of armature core 7
Between the end on side 21.
In each slot 11, on the depth direction of slot 11 exist for configure the space of coil side 21 (upper layer) i.e. suitable for reading and
Lower mouth (lower layer).The radially inner side (open side of slot 11) suitable for reading for being located at armature core 7 compared with the lower mouth of slot 11 of slot 11.
Another coil side 21 in the suitable for reading of slot 11, is configured a configuration of coil side 21 in slot 11 by each lubber ring 12
Lower mouth and be set to armature core 7.In addition, the end turn 22 of each lubber ring 12 is relative to the circumferential to phase of armature core 7
Equidirectional inclined state is across multiple magnetic pole tooths 10.
Set end turn 22 across magnetic pole tooth 10 quantity (that is, one be clipped on common coil and another
The quantity of magnetic pole tooth 10 between coil side 21) be coil pitch when, the coil pitch of each lubber ring 12 is all identical.Each baseline
Circle 12 is the coil of the big meropodium winding of the every pole slot number q ' of coil pitch ratio.
One is all configured with another coil side 21 and is set to armature core 7 in the suitable for reading of slot 11 by upper coil 13.
Inner coil 14 all configures one the lower mouth in slot 11 and is set to armature core 7 with another coil side 21.
In addition, in figure 2 and figure 3, with U, V, W indicate to respectively flow through each lubber ring 12, each upper coil 13 and it is each under
The electric current phase of layer line circle 14.In addition, in figure 2 and figure 3, with the capitalization and lowercase of U, V, W and coil is being indicated
It is attached with the symbol of black circular marks and X label in the hollow circular label on side 21, indicates the electric current for flowing through each coil side 21
Direction.Therefore, the coiling direction of each coil 12,13,14 may know that according to the direction of the electric current of each coil side 21.
Here, each lubber ring 12 in the rotating electric machine 1 in order to determine present embodiment, each upper coil 13 and it is each under
14 respective positions of layer line circle, it is assumed that the rotating electric machine of the comparative example 1 not comprising upper coil 13 and inner coil 14.
Fig. 4 is the structure chart for showing the rotating electric machine 101 of comparative example 1.In addition, Fig. 5 is the rotating electric machine 101 for showing Fig. 4
Armature 2 expanded view.Also, Fig. 6 is the enlarged view of the armature 2 of the rotating electric machine 101 of Fig. 5.In addition, in Fig. 5 and Fig. 6
In, the direction of the electric current phase for flowing through each coil and the electric current for flowing through each coil side is indicated with method identical with Fig. 2 and Fig. 3.
In the structure of the rotating electric machine 101 of comparative example 1, in addition to each magnetic pole tooth 10 of armature core 7 width dimensions with
It is identical as the structure of rotating electric machine 1 of the 1st embodiment and other than the structure of armature coil group 8.In the armature of comparative example 1
In iron core 7, the width dimensions of each magnetic pole tooth 10 are all identical size T0.In addition, armature coil group 8 have and lubber ring 12
Mutually isostructural multiple imaginary lubber ring 12a.Each imagination lubber ring 12a has mutually isostructural with the coil side 21 of lubber ring 12
A pair of of coil side 21a and with mutually isostructural a pair of of the end turn 22a of the end turn 22 of lubber ring 12.
Another coil side 21a in the suitable for reading of slot 11, is configured a coil side 21a configuration by each imagination lubber ring 12a
Slot 11 lower mouth and be arranged in armature core 7 regularly.Each coil side 21a of each imagination lubber ring 12a is configured in each slot
11 whole mouth suitable for reading and lower.As a result, the state of the armature 2 of the rotating electric machine 101 of comparative example 1 be each imagination lubber ring 12a with
The mode of double-layer overlapping winding is configured at the imaginary lubber ring installation condition of armature core 7 regularly.
The perfect condition of rotating electric machine be U phase, V phase, W phase each armature coil generate induced voltage it is respective synthesize to
The size of amount is identical, the state that the composite vector of the induced voltage of each phase is distributed with electrical angle according to 120 ° of phase difference.Therefore, exist
In the rotating electric machine 101 of comparative example 1, in order to reach the perfect condition of rotating electric machine, what progress was connect with each imagination lubber ring 12a
The selection of the coiling direction of the selection of electric current phase (U phase, V phase, W phase) and each imaginary lubber ring 12a.In rotating electric machine 101,
By adjusting separately the configuration sequence of the imaginary lubber ring 12a of each phase and the coiling direction of each imaginary lubber ring 12a, it will generate
Substantially sinuous induced voltage corresponding with the magnetic flux that the magnetic pole of rotor 4 generates.
In Fig. 5, the slot 11 of the slot 11 of No.1~No.18 and No.19~No.36 are separately observed it is found that in addition to
Other than the direction reversion for flowing through the electric current of coil side 21a, the configuration of the imaginary lubber ring 12a of each phase is identical.In addition, for
The slot 11 of No.37~No.72 is also likewise, the slot 11 of slot 11 and No.55~No.72 of No.37~No.54 is separated progress
It is found that other than the direction reversion for the electric current for flowing through coil side 21a, the configuration of the imaginary lubber ring 12a of each phase is identical for observation.
This is because the value of every pole slot number q ' of the rotating electric machine 101 of comparative example 1 is caused by 18/7.That is, in the armature 2 of comparative example 1
In, since 7 magnetic poles become 1 group relative to 18 slots 11, become the configuration of imaginary lubber ring 12a of each phase with 18
Slot 11 is a duplicate structure of entirety.
Therefore, in this example, for the configuration of the imaginary lubber ring 12a of each phase, the slot 11 and No.37 of No.1~No.18
The slot 11 of~No.54 is identical, and the slot 11 of No.19~No.36 and the slot 11 of No.55~No.72 are identical.
Under imaginary lubber ring installation condition, when setting N as 2 or more natural number, when every pole slot number q ' meet it is below
When formula (2), by adjusting U phase, V phase, the electric current phase of W phase and the coiling direction of each imaginary lubber ring 12a, by about electric current phase
The imaginary coil that with the direction of electric current there is 2 imagination lubber ring 12a of specific relationship to constitute can be with fixed intervals to 23
Occur.Set constitute imaginary coil to 23 2 imagination lubber ring 12a respectively imagination certain coil 12A when, common imagination
Coil is disposed on the upper of 2 slots 11 for clipping N number of magnetic pole tooth 10 to the relationship for 2 imaginary certain coil 12A for including in 23
The reversed such relationship of the current in phase flowed through in the 2 coil side 21a mouthful between (or between lower mouth).
N < q ' < N+1 ... formula (2)
This is because the configuration of each imaginary lubber ring 12a is determined, to reach each imaginary lubber ring 12a of U phase, V phase, W phase
The size of the respective composite vector of the induced voltage of generation is distributed in each mutually identical and each composite vector according to 120 ° of phase difference
Caused by perfect condition.
Since the value of every pole slot number q ' is about 2.57 as described above, it is greater than 2 and value (the 2 < q ' < less than 3
3).Therefore, according to formula (2) it is found that the knot of the armature 2 when the structure of the armature 2 of the rotating electric machine 101 of comparative example 1 is N=2
Structure.In addition, each imagination lubber ring 12a is coil of the end turn 22a across N+1 magnetic pole tooth 10.Therefore, in this example, respectively
The coil pitch of imaginary lubber ring 12a is 3.
Here, be conceived to U phase it is found that No.7 and No.9 slot 11 it is suitable for reading between and No.4 and No.6 slot 11
Be each configured between lower mouth flow through on the contrary to electric current coil side 21a group.And it is found that No.13's and No.15
Slot 11 it is suitable for reading between and No.10 and No.12 slot 11 lower mouth between be each configured with W phase flow through on the contrary to electricity
The group of the coil side 21a of stream, No.19 and No.21 slot 11 it is suitable for reading between and No.16 and No.18 slot 11 lower mouth
Between be each configured with V phase flow through on the contrary to electric current coil side 21a group.
In addition, as noted previously, as every 18 slots 11 repeat the identical pattern configuration of coil side 21a, therefore, in each phase
In, imaginary coil is also that every 18 slots 11 repeat to 23.Each imaginary coil occurred is each to the sequence of 23 electric current phase
Phase (U phase, V phase, W phase) repeats such sequence in that same order.
In the imaginary lubber ring 12a of Fig. 5, considered on the basis of the coil side 21a suitable for reading of slot 11, have No.7 and
No.9 it is suitable for reading between the imaginary coil of 2 coil side 21a be U phase to 23,2 between suitable for reading with No.13 and No.15
The imaginary coil of a coil side 21a is W phase to 23, with No.19 and No.21 it is suitable for reading between 2 coil side 21a imagination
Coil is V phase to 23, therefore, it is repeated that according to U phase, W phase, tactic group of V phase.
The imaginary baseline clipped between each imaginary certain coil 12A for including in each imaginary coil for setting Fig. 5 is to 23
When circle 12a is imagination adjustment coil 12B, in the armature 2 of comparative example 1, as shown in figure 5, imagination adjusts the electric current phase of coil 12B
With by the imaginary coil that constitutes of 2 imagination certain coil 12A that clips imagination adjustment coil 12B to 23 electric current phase each other not
Together.In this example, by the imaginary coil of U phase to 23 imaginary certain coil 12A clip imagination adjustment coil 12B electric current phase
V phase, by W phase imaginary coil to 23 imaginary certain coil 12A clip imagination adjustment coil 12B electric current be mutually U phase,
By V phase imaginary coil to 23 imaginary certain coil 12A clip imagination adjustment coil 12B electric current be mutually W phase.
U phase, V phase, W phase it is each imagination adjustment coil 12B be generate phase difference be each other 120 ° induced voltage imagination
Lubber ring 12a.In addition, respectively there is identical quantity in the range of α ° of electrical angle in each imagination adjustment coil 12B of U phase, V phase, W phase
(be in this example each there are 1).α ° of electrical angle depends on slot number Q and number of poles P, that is, every pole slot number q ', with formula below (3)
It indicates.
α °=180 ° × P/gcd (Q, P) ... formula (3)
Wherein, gcd (Q, P) is the greatest common divisor between slot number Q and the number of poles P of rotor 4.
α ° of electrical angle of range is the setting model that the relationship between the slot number Q and number of poles P of rotor 4 is determined by the smallest number
It encloses.Therefore, armature 2 can be in α ° of multiple electrical angles of range (i.e. multiple setting ranges) in circumferentially upper equal part.
In comparative example 1, since number of magnetic poles P is 28,1 week electrical angle of rotor 4 is 5040 °.On the other hand,
In comparative example 1, according to formula (3), α ° of electrical angle is 1260 °.Therefore, the setting range as α ° of electrical angle of range is electricity
1/4 week range of pivot 2 is the range for including 18 magnetic pole tooths 10.That is, in comparative example 1, by the position of 2 quartering of armature
Place is set with 4 setting range 15a~15d.In the armature 2 of comparative example 1, the boundary of setting range 15a, 15b are located at No.21
Magnetic pole tooth 10, the boundary of setting range 15b, 15c is located at the magnetic pole tooth 10 of No.39, and the boundary of setting range 15c, 15d are located at
The magnetic pole tooth 10 of No.57, the boundary of setting range 15d, 15a are located at the magnetic pole tooth 10 of No.3.
Fig. 7 is the table for showing the winding coefficient Kd of rotating electric machine 101 of comparative example 1.Winding coefficient Kd is to indicate electric rotating
The index of the characteristic of machine, for the numerical value of fundametal compoment closer to 1, torque performance is better, 5 times, 7 times ... the high-order component waited
Numerical value is smaller, and high-frequency vibration is smaller, to indicate that the acting characteristic of rotating electric machine is the better.Know the electric rotating in comparative example 1
In machine 101, the numerical value of winding coefficient Kd shows all good tendency of fundametal compoment and high-order component.
As shown in Figure 1, being set with identical with comparative example 1 electrical in the armature 2 of the rotating electric machine 1 of present embodiment
The range of α ° of angle=1260 °, that is, multiple (being 4 in this example) setting range 15a~15d.In addition, in the electricity of present embodiment
In the pivot 2 and boundary of setting range 15a, 15b is located at the magnetic pole tooth 10 of No.21, and the boundary of setting range 15b, 15c are located at
The magnetic pole tooth 10 of No.39, the boundary of setting range 15c, 15d are located at the magnetic pole tooth 10 of No.57, the side of setting range 15d, 15a
Boundary is located at the magnetic pole tooth 10 of No.3.
In addition, a part of setting range 15a, 15c for being separated from each other in each setting range 15a~15d become adjustment model
It encloses.In the rotating electric machine 1 of present embodiment, other than each adjusting range 15a, 15c, in the complete of each imaginary lubber ring 12a
Each lubber ring 12 is equipped at portion position.In each adjusting range 15a, 15c, each lubber ring 12 avoids each imaginary certain coil
12A and each imagination adjust whole positions of coil 12B and are configured at the position of each imaginary lubber ring 12a.
The end turn 22 of lubber ring 12 is across N+1 magnetic pole tooth 10.That is, the coil pitch of lubber ring 12 is N+1.At this
In example, due to N=2, the coil pitch of lubber ring 12 is 3.
Upper coil 13 and the respective coil side 21 of inner coil 14 are configured in the imagination for avoiding the configuration of lubber ring 12
At the position of the respective coil side 21a of certain coil 12A.Upper coil 13 and inner coil 14 are every avoiding lubber ring as a result,
The common imaginary coil of 12 configuration is to 23 each configurations 1.Therefore, the number for the upper coil 13 for including in armature coil group 8
It measures identical with the quantity of inner coil 14.In this example, 3 upper coils of each configuration are distinguished in 2 adjusting ranges 15a, 15c
13 and 3 inner coils 14, the upper coil 13 and the respective quantity of inner coil 14 for including in armature coil group 8 are 6 respectively.
In addition, upper coil 13 and the respective end turn 22 of inner coil 14 are across N number of magnetic pole tooth 10.That is, upper coil 13 is under
The respective coil pitch of layer line circle 14 is all N (in this example, N=2).
The electric current of upper coil 13 is mutually the imaginary line of coil side 21a corresponding with the coil side 21 with upper coil 13
Enclose the mutually identical phase of electric current to 23.In addition, the coiling direction of upper coil 13 is determined, so that flowing through the coil of upper coil 13
The direction of the electric current on side 21 and the electric current of the coil side 21a for flowing through imaginary certain coil 12A are towards identical.
The electric current of inner coil 14 is mutually the imaginary line of coil side 21a corresponding with the coil side 21 with inner coil 14
Enclose the mutually identical phase of electric current to 23.In addition, the coiling direction of inner coil 14 is determined, so that flowing through the coil of inner coil 14
The direction of the electric current on side 21 and the electric current of the coil side 21a for flowing through imaginary certain coil 12A are towards identical.
It is respective without Configuration baseline circle 12, upper coil 13 and inner coil 14 in the suitable for reading and lower mouth of each slot 11
Coil side 21 and in remaining space, configured with the spacer block (not shown) in gap etc. in landfill slot 11.Between being configured with
In the slot 11 of spacer block, with spacer block hold-in winding side 21.
That is, the structure of the armature 2 of present embodiment becomes following structure: assuming that each imagination lubber ring 12a whole
Coil side 21a configures the feelings of the imaginary lubber ring installation condition (Fig. 4) at the suitable for reading and lower mouth of whole of each slot 11 regularly
Under condition, as shown in Figures 2 and 3, in addition to each imaginary certain coil in adjusting range 15a, 15c as a part of setting range
12A and each imagination adjust other than coil 12B respective positions, the Configuration baseline circle at whole positions of each imaginary lubber ring 12a
12,13 He of upper coil is configured at the position of the respective coil side 21a of imaginary certain coil 12A of no Configuration baseline circle 12
The respective coil side 21 of inner coil 14.
As a result, as shown in Figures 2 and 3, the state of armature 2 becomes following state: lubber ring 12, upper coil 13 and
The respective end turn 22 of inner coil 14 is not all across the magnetic pole tooth 10 between upper coil 13 and inner coil 14
(being the magnetic pole tooth 10 of No.6, No.12, No.18, No.42, No.48, No.54 in this example).
In addition, by Fig. 2 and Fig. 3 it is found that the difference of the armature 2 of the armature 2 of present embodiment and comparative example 1 compared with Fig. 5
Point is, removes a part of lubber ring 12 and increases upper coil 13 and inner coil 14, still, increased 13 He of upper coil
Each imagination certain coil respective coil side 21a's of 12A of the configuration and comparative example 1 of the respective coil side 21 of inner coil 14 matches
It sets identical.As a result, in the present embodiment, the induced voltage generated by upper coil 13 and inner coil 14, is able to suppress
The decline of induced voltage caused by due to removing each imagination certain coil 12A in comparative example 1.
Here, in the adjusting range 15a of the armature 2 of the rotating electric machine 101 of comparative example 1, setting tool has configuration in slot 11
The synthesis magnetomotive force that all imagination lubber ring 12a is generated of the U phase of coil side 21a at lower mouth is Hu, if the phase of the Hu of moment t
Position is β (Hu, t).In addition, similarly, in adjusting range 15a, each imagination of whole of the V phase at the lower mouth of slot 11 is set in establishing
The synthesis magnetomotive force that lubber ring 12a is generated is Hv, and each imaginary lubber ring 12a of whole of the W phase at the lower mouth of slot 11 is set in establishing
The synthesis magnetomotive force of generation is Hw, if the phase of Hv, Hw of moment t is respectively β (Hv, t), β (Hw, t).
In addition, setting tool has configuration in slot 11 in the adjusting range 15a of the armature 2 of the rotating electric machine 1 of present embodiment
The conjunction that the inner coil 14 of each lubber ring 12 of the U phase of coil side 21 at lower mouth, the upper coil 13 of U phase and U phase generates
It is Hu ' at magnetomotive force, if the phase of the Hu ' of moment t is β (Hu ', t).In addition, similarly, in adjusting range 15a, establishing is set
The synthesis that the inner coil 14 of each lubber ring 12 of V phase at the lower mouth of slot 11, the upper coil 13 of V phase and V phase generates
Magnetomotive force is Hv ', and establishing is set under each lubber ring 12 of the W phase at the lower mouth of slot 11, the upper coil 13 of W phase and W phase
The synthesis magnetomotive force that layer line circle 14 generates is Hw ', if the phase of the Hv ' of moment t, Hw ' are respectively β (Hv ', t), β (Hw ', t).
In this way, between synthesis the magnetomotive force Hv and Hv ' of u ° of phase difference beta, V phase between the synthesis magnetomotive force Hu and Hu ' of U phase
V ° of phase difference beta, W phase synthesis magnetomotive force Hw and Hw ' between w ° of phase difference beta indicated with formula below (4)~(6), β
U °, β v °, the relationship between β w ° indicate with formula below (7).
β u °=β (Hu, t)-β (Hu ', t) ... (4)
β v °=β (Hv, t)-β (Hv ', t) ... (5)
β w °=β (Hw, t)-β (Hw ', t) ... (6)
β u °=β v °=β w °=β ° (fixation) ... (7)
In the present embodiment, as shown in Figures 2 and 3, the imagination adjustment coil 12B's of each phase of comparative example 1 (Fig. 5)
There is no Configuration baseline circle 12 at position, avoids the magnetomotive force that the imagination adjustment coil 12B of each phase of the configuration of lubber ring 12 is generated
Phase difference be 120 ° and unrelated with moment t, therefore as shown in formula (7), β u °, β v °, β w ° are β ° of identical values.
In the setting range 15b adjacent with adjusting range 15a of present embodiment, unlike adjusting range 15a
Upper coil 13 and inner coil 14 are not configured, and at whole positions of the imaginary lubber ring 12a of Fig. 5 of comparative example 1
Configured with each lubber ring 12.Therefore, in the case where the width dimensions of each magnetic pole tooth 10 are entirely identical T0, pass through formula
(7), each phase that each lubber ring 12, each upper coil 13 and each inner coil 14 of the configuration in adjusting range 15a generate
Synthesize phase difference of the magnetomotive force with configuration between the synthesis magnetomotive force for each phase that each lubber ring 12 in setting range 15b generates
It is identical β °.In addition, in the present embodiment, determining each base on the basis of to configure coil side 21 at the lower mouth of slot 11
The configuration of coil 12 is within the scope of which in each setting range 15a~15d.
In the present embodiment, in order to eliminate the synthesis magnetomotive force of each phase based on armature coil in adjusting range 15a
Phase difference beta ° between the synthesis magnetomotive force of each phase based on armature coil in setting range 15b, as shown in Fig. 2, being located at
The width dimensions T1 of the magnetic pole tooth 10 (being the magnetic pole tooth of No.3 in this example) of an end portion of adjusting range 15a is than other magnetic poles
The narrow tooth width of the width dimensions T0 of tooth 10 adjusts size T ', and the magnetic pole tooth 10 at the other end of adjusting range 15a is (at this
Example in be No.21 magnetic pole tooth) width dimensions T2 than other magnetic pole tooths 10 width dimensions T0 wide and tooth width adjust size
The identical size of T '.In addition, the width dimensions T0 of other magnetic pole tooths 10 is entirely identical size.
When the internal diameter for setting armature core 7 is r, tooth width adjusts size T ' and is indicated with formula below (8).
T '=2 × π × r × β °/(180 ° × P) ... formula (8)
Therefore, the width dimensions T2 of the magnetic pole tooth 10 of width dimensions T1, No.21 of the magnetic pole tooth 10 of No.3 be respectively to
Under formula (9) and (10) indicate size.
T1=T0-T '=T0-2 × π × r × β °/(180 ° × P) ... formula (9)
T2=T0+T '=T0+2 × π × r × β °/(180 ° × P) ... formula (10)
As a result, in the present embodiment, each lubber ring 12 of the configuration in adjusting range 15a, each upper coil 13 and
Each lubber ring 12 of the magnetomotive phase of synthesis for each phase that each inner coil 14 generates and configuration in setting range 15b generates
Each phase the magnetomotive phase of synthesis it is consistent, from without phase difference.That is, in the present embodiment, in adjusting range 15a
Each slot 11 is staggered in the circumferential direction of armature core 7 to following direction relative to each slot 11 in setting range 15b, and the direction is that do not have
The conjunction for each phase for thering is each lubber ring 12 configured in adjusting range 15a, each upper coil 13 and each inner coil 14 to generate
Phase difference at magnetomotive force with configuration between the synthesis magnetomotive force for each phase that each lubber ring 12 in setting range 15b generates
Direction.As a result, in the present embodiment and comparative example, circumferential direction of the position of each slot 11 in adjusting range 15a in armature core 7
On be staggered.
It is tilted according to phase difference beta ° and to configure the lubber ring 12 when the coil side 21 at the lower mouth of slot 11 is benchmark
Direction, determine positioned at adjusting range 15a one end and the other end at 2 magnetic pole tooths 10 in, which magnetic pole tooth made
Width dimensions narrow, so that the width dimensions of which magnetic pole tooth is broadened.Therefore, in the present embodiment, according to condition 1 below
With any condition in condition 2, the one end and each magnetic pole tooth 10 at the other end for being located at adjusting range 15a, 15c are determined
Width dimensions.
(condition 1)
It is in the one end and the other end of adjusting range, be located in the case where the value of phase difference beta ° is positive (β ° of > 0)
Broad-ruler of lubber ring 12 of the configuration in adjusting range relative to the magnetic pole tooth 10 of the end of the lower mouth inclination side of slot 11
It is very little T ' narrower than T0, positioned at the width dimensions ratio T0 wide T ' of the magnetic pole tooth 10 of the end of opposite side.
(condition 2)
On the other hand, in the case where the value of phase difference beta ° is negative (β ° of < 0), the one end of adjusting range and the other end
In, magnetic pole tooth 10 positioned at lubber ring 12 of the configuration in adjusting range relative to the end of the lower mouth inclination side of slot 11
Width dimensions ratio T0 wide T ', positioned at the narrow T ' of width dimensions ratio T0 of the magnetic pole tooth 10 of the end of opposite side.
The case where considering Fig. 2 it is found that lubber ring 12 of the configuration in adjusting range 15a relative to slot 11 lower mouth to the right
Inclination and phase difference beta °=- 5 ° < 0, therefore, the magnetic pole tooth 10 of the No.3 at the left end of adjusting range 15a of Fig. 2
Width dimensions T1 be T0-T ', the broad-ruler of the magnetic pole tooth 10 of the No.21 at the right-hand end of adjusting range 15a of Fig. 2
Very little T2 is T0+T '.
Relationship between adjusting range 15c and setting range 15d is also between adjusting range 15a and setting range 15b
Relationship is identical.That is, in each slot 11 being present in adjusting range 15c with identical as each slot 11 being present in adjusting range 15a
Pattern configure coil side 21, each slot 11 being present in setting range 15d with each slot for being present in setting range 15b
11 identical patterns configure coil side 21.Therefore, for the magnetic pole tooth at the one end of adjusting range 15c and the other end
10 width dimensions, can also be using the broad-ruler of the one end positioned at adjusting range 15a and the magnetic pole tooth 10 at the other end
Very little change.As a result, as shown in figure 3, the broad-ruler of the magnetic pole tooth 10 of the No.39 at the left end of adjusting range 15c
Very little T1 is T0-T ', and the width dimensions T2 of the magnetic pole tooth 10 of the No.57 at the right-hand end of adjusting range 15c is T0+T '.
Fig. 8 is the table for showing the winding coefficient Kd of rotating electric machine 1 of Fig. 1.According to the rotating electric machine 1 of Fig. 1 it is found that such as Fig. 8
Shown, the numerical value of winding coefficient Kd is good.It follows that the rotating electric machine 1 of Fig. 1 is that torque performance is good, electro-magnetic exciting force draws
Rise loss is less and the good rotating electric machine of acting characteristic.
In the present embodiment, due to different with setting range 15b, 15d interior loop number in adjusting range 15a, 15c, because
This, total resistance value, impedance, inductance of armature coil etc. are different in adjusting range 15a, 15c and setting range 15b, 15d.So
And for example, by by adjusting range 15a and the series connection of the armature coil of each phase of setting range 15b, and by adjusting range
The armature coil of each phase of 15c and setting range 15d is connected in series, and adjusting range 15a and setting range 15c are composed
Coil number, coil total resistance value, inductance of each phase in range etc. are composed with by adjusting range 15c and setting range 15d
In the range of coil number, coil total resistance value, the inductance of each phase etc. it is identical.Thereby, it is possible to form the movement for making rotating electric machine 1
The good armature circuit of characteristic.
Fig. 9 is the expanded view for showing a part of the armature of rotating electric machine of comparative example 1 '.In comparative example 1 ', in addition to matching
Set the position of each imaginary certain coil 12A in setting range 15a, 15c in each setting range 15a~15d of comparative example 1
Except, it is configured with lubber ring 12 at whole positions of each imaginary lubber ring 12a, it is specific in the imagination of no Configuration baseline circle 12
Upper coil 13 and the respective coil side 21 of inner coil 14 are configured at the position of the respective coil side 21a of coil 12A.It is other
Structure is identical as comparative example 1.In the rotating electric machine of comparative example 1 ', with comparative example 1 the difference lies in that eliminating a part imagination
Lubber ring 12a and increase upper coil 13 and inner coil 14, still, each slot 11 in comparative example 1 and comparative example 1 ' it is suitable for reading
Configuration with the respective coil side 21 of lower mouth is also identical.Therefore, the synthesis that the armature of the rotating electric machine of comparative example 1 ' generates
Magnetomotive force is identical as the synthesis magnetomotive force that the armature 2 of comparative example 1 generates.
Then, consider following situation: the case where imaginary lubber ring 12a in comparative example 1 is installed to armature core 7,
The case where lubber ring 12, upper coil 13 and inner coil 14 in comparative example 1 ' is installed to armature core 7, and incite somebody to action this
The case where lubber ring 12, upper coil 13 and inner coil 14 in embodiment are installed to armature core 7.
In comparative example 1, it is all configured with the coil side 21a of imaginary lubber ring 12a in the suitable for reading and lower mouth of each slot 11, because
This, for example, it is last in each imaginary lubber ring 12a that will have coil side 21a of the configuration at the place suitable for reading of the slot 11 of No.7~No.9
In the case where being wound up into armature core 7, need first to be configured in each coil side at the place suitable for reading of the slot 11 of No.4~No.6
21a is fetched into outside slot 11.At this point, being bent imaginary lubber ring 12a to the push of the internal side diameter of armature core 7 by coil side 21a
It is fetched into outside slot 11.Later, by the space generated between the coil side 21a being fetched to outside slot 11 and magnetic pole tooth 10, into
Row is referred to as lifting the operation of coil manipulation, i.e., is inserted into last each imaginary lubber ring 12a's in the slot of No.4~No.6 11
Coil side 21a.The operability for lifting coil manipulation is general bad.
In comparative example 1 ', the lubber ring 12 at the position of imagination adjustment coil 12B will be configured in each lubber ring 12,
Such as the lubber ring 12 with configuration in the coil side 21 at the place suitable for reading of the slot 11 of No.8 is finally wound up into armature core 7, it will be complete
Portion's lubber ring 12 is installed to armature core 7.However, last lubber ring 12 is being wound up into armature core 7 in comparative example 1 '
When, the winding predetermined position that a part of lubber ring 12 on armature core 7 is covered in last lubber ring 12 is had been wrapped around, because
This carries out that the lubber ring 12 is made to be bent and coil side 21 is fetched into outside slot 11 and lifts coil manipulation.
In this regard, in the present embodiment, observation Fig. 2 and Fig. 3 it is found that as described above, lubber ring 12, upper coil 13 and
The respective end turn 22 of inner coil 14 is not all across the magnetic pole tooth 10 between upper coil 13 and inner coil 14.
Therefore, when lubber ring 12, upper coil 13 and inner coil 14 are wound up into armature core 7, first by inner coil 14
It is wound up into armature core 7, later in a manner of the separate upper coil 13 pairs of with inner coil 14 that is winding at first, along electricity
The circumferential direction of pivot iron core 7 successively winding armature coil 12~14.For example, that will have configuration under each slot 11 of No.4 and No.6
Mouthful at coil side 21 inner coil 14 be wound up into armature core 7 after, by armature coil 12~14 towards Fig. 2 left direction according to
It is secondary to be wound up into armature core 7.At this point, selecting lubber ring according to each adjusting range 15a, 15c and each setting range 15b, 15d on one side
12, upper coil 13 and inner coil 14, are wound up into armature core 7 for armature coil on one side.
Finally, by the upper coil 13 pairs of with the inner coil 14 that winds at first (that is, for example with configuration in No.7 and
The upper coil 13 of the coil side 21 at the place suitable for reading of each slot 11 of No.9) it is wound up into armature core 7.In this way, last winding with
It, must can be real when being inserted into coil side 21 to the lower mouth of each slot 11 after the pairs of upper coil 13 of the inner coil 14 wound at first
The vacant state suitable for reading of existing slot 11, can eliminate and lift coil manipulation.
In such rotating electric machine 1, each lubber ring 12 avoids each imaginary certain coil in adjusting range 15a, 15c
Whole positions of 12A and each imagination adjustment coil 12B are configured, upper coil 13 and the respective coil side 21 of inner coil 14
At the position for configuring the respective coil side 21a of each imagination certain coil 12A in adjusting range 15a, 15c, therefore, Neng Goutong
It crosses upper coil 13 and inner coil 14 inhibits a part due to each lubber ring 12 in adjusting range 15a, 15c to disappear and lead
The magnetomotive decline caused, is able to suppress the decline of the torque characteristics of rotating electric machine 1.In addition, being located at adjusting range 15a, 15c
The width dimensions T1 of the magnetic pole tooth 10 of an end portion tooth width narrower than the width dimensions T0 of other magnetic pole tooths 10 adjusts size T ', position
Width dimensions T0 of the width dimensions T2 of magnetic pole tooth 10 at the other end of adjusting range 15a, 15c than other magnetic pole tooths 10
Wide size identical with tooth width adjustment size T ' therefore can be to making to configure the lubber ring in adjusting range 15a, 15c
12, the magnetomotive phase of synthesis of each phase of upper coil 13 and inner coil 14 and configuration are in setting range 15b, 15d
Lubber ring 12 each phase the consistent direction of the magnetomotive phase of synthesis, adjust the configuration of each armature coil 12~14.As a result,
Torque can be efficiently produced, the acting characteristic of rotating electric machine 1 can be made good, also, by each lubber ring 12, upper coil
13 and inner coil 14 when being wound up into armature core 7, it can eliminate and lift coil manipulation, the manufacture of rotating electric machine 1 can be made
It becomes easy.
In addition, since the above-mentioned formula (8) of tooth width adjustment size T ' indicates, it can more reliably make to match
The synthesis for setting each phase of lubber ring 12 in adjusting range 15a, 15c, upper coil 13 and inner coil 14 is magnetomotive
Phase is consistent with the synthesis magnetomotive phase of each phase of lubber ring 12 of the configuration in setting range 15b, 15d, can be more
Reliably improve the acting characteristic of rotating electric machine 1.
2nd embodiment
Figure 10 is the structure chart for showing the rotating electric machine of the 2nd embodiment of the invention.In addition to armature core 7 is divided into
Other than multiple 31 this point of (being 2 in this example) segmentation iron core arranged in the circumferential direction of armature core 7, the 2nd embodiment
Rotating electric machine 1 structure it is identical as the 1st embodiment.That is, in addition to armature core 7 be divided into 2 segmentation iron cores 31 this
Except point, the expanded view for showing the armature 2 of the 2nd embodiment is identical as Fig. 2 and Fig. 3.
Each segmentation iron core 31 welding such as by being connected to each other.The position on the boundary 32 of each segmentation iron core 31 is coil-end
Portion 22 not across magnetic pole tooth 10 position.In this example, the position on the boundary 32 of each segmentation iron core 31 is No.6 and No.42
Each magnetic pole tooth 10 position.In addition, in this example, being formed radially along armature core 7 of boundary 32 of each segmentation iron core 31.
Armature 2 is formed multiple by lubber ring 12, upper coil 13 and inner coil 14 are wound up into segmentation iron core 31 as a result,
(being 2 in this example) is divided armature 33 and is constituted.That is, armature 2 be by multiple (they being 2 in this example) segmentation armature 33 connection and
The segmentation armature connector of composition.Other structures are identical as the 1st embodiment.
In such rotating electric machine 1, armature core 7 is divided into multiple points arranged in the circumferential direction of armature core 7
Iron core 31 is cut, the position on the boundary 32 of each segmentation iron core 31 is each armature coil i.e. lubber ring 12, upper coil 13 and lower layer
Coil 14 all not across magnetic pole tooth 10 position, therefore, can according to each segmentation iron core 31 wind lubber ring 12, upper layer
Coil 13 and inner coil 14 can be divided into multiple segmentation armatures 33 to manufacture armature 2.It include each point thereby, it is possible to realize
The miniaturization for cutting the component of iron core 31 can be realized the productive raising of rotating electric machine 1.Electricity is constituted due to can be realized
The miniaturization of each component of pivot 2, therefore after the completion of rotating electric machine 1, it also can be as unit of dividing armature 33 to armature 2
Decompose and assemble again, can be improved the operability of R and M of rotating electric machine 1 etc..Even if being damaged as a result, in armature 2
In the case where, it does not need that 2 entirety of armature is placed under repair or replaced yet, can be realized needed for the repairing and replacement of rotating electric machine 1
Cost reduction and the shortening during operation.Also, in addition to armature core 7 is divided into multiple 31 this point of segmentation iron core
Except, the structure of present embodiment is identical as the structure of the 1st embodiment, therefore the acting characteristic of rotating electric machine 1 can be made to protect
It holds good.
In addition, in the above example, armature core 7 is divided into 2 segmentation iron cores 31, but includes in armature core 7
The quantity of segmentation iron core 31 be not limited to 2, armature core 7 can also be divided into 3 or more segmentation iron cores 31.This
In the case of, the position on the boundary 32 of each segmentation iron core 31 is lubber ring 12, upper coil 13 and the respective line of inner coil 14
Enclose end 22 all not across magnetic pole tooth 10 position.
3rd embodiment
Before the rotating electric machine 1 to the 3rd embodiment is illustrated, to the structure of the rotating electric machine 101 of comparative example 2 into
Row explanation.
Figure 11 is the structure chart for showing the rotating electric machine 101 of comparative example 2.In addition, Figure 12 is the exhibition for showing the armature 2 of Figure 11
Open figure.In the rotating electric machine 101 of comparative example 2, identically as comparative example 1, what each imagination lubber ring 12a was wound with double-layer overlapping
Mode is configured regularly in armature core 7.In addition, the quantity Q of slot 11 is 84 in the rotating electric machine 101 of comparative example 2, turn
The number of magnetic poles P of son 4 is 32.Therefore, the value of every pole slot number q ' in comparative example 2 is 21/8 (=2.625), is greater than 2 and less than 3
Value (2 < q ' < 3).
It follows that the armature 2 according to formula (2), when the structure of the armature 2 of the rotating electric machine 101 of comparative example 2 is N=2
Structure.It follows that the coil pitch of each imagination lubber ring 12a is 3 in comparative example 2.
In addition, by the sequence of the coil side 21a in 21 slots 11 for being accommodated in No.6~No.26 of Figure 12 be accommodated in
The sequence of coil side 21a in 21 slots 11 of No.27~No.47 is compared electric current phase and electric current it is found that coil side 21a
Direction be to be configured according to identical pattern.This is because 8 magnet 6 are magnetic pole according to every pole slot number q '=21/8
It is opposite with 21 slots 11 and caused by.The slot 11 later for slot 48 and every 21 slots 11 are according to identical pattern layout line
Enclose side 21a.
In comparative example 2, since number of magnetic poles P is 32, one week electrical angle of rotor 4 is 5760 °.On the other hand,
In comparative example 2, according to above-mentioned formula (3), α ° of electrical angle is 1440 °.Therefore, as the setting model of α ° of electrical angle of range
Enclose be armature 2 1/4 week (1440 °/5760 °=1/4) range, that is, include 21 magnetic pole tooths 10 range.That is, and comparative example
1 is identical, and in the armature 2 of comparative example 2,4 setting range 15a~15d are also set at by the position of 2 quartering of armature.
In the armature 2 of comparative example 2, the boundary of setting range 15a, 15b are located at the magnetic pole tooth 10 of No.26, setting range 15b, 15c's
Boundary is located at the magnetic pole tooth 10 of No.47, and the boundary of setting range 15c, 15d are located at the magnetic pole tooth 10 of No.68, setting range 15d,
The boundary of 15a is located at the magnetic pole tooth 10 of No.5.
Here, in setting range 15a, be conceived to V phase it is found that as shown in figure 12, No.9 and No.11 slot 11 it is upper
Be each configured between mouthful and between the lower mouth of the slot 11 of No.6 and No.8 flow through on the contrary to electric current coil side 21a
Group.Similarly, in setting range 15a, be conceived to W phase it is found that No.16 and No.18 slot 11 it is suitable for reading between and
Be each configured between the lower mouth of the slot 11 of No.13 and No.15 flow through on the contrary to electric current coil side 21a group, also,
Be conceived to U phase it is found that No.23 and No.25 slot 11 it is suitable for reading between and No.20 and No.22 slot 11 lower mouth between
Be each configured with flow through on the contrary to electric current coil side 21a group.
It follows that having in the setting range 15a of Figure 12 in 2 slots 11 for clipping 2 (i.e. N=2) magnetic pole tooths 10
It is suitable for reading between (or between lower mouth) 2 coil side 21a flow through on the contrary to electric current as 2 of relationship imaginary bases
Coil 12a is imaginary certain coil 12A respectively, and the imaginary coil being made of 2 imagination certain coil 12A is to 23 according to every phase
Occur.In addition, being imaginary adjustment to the 23 imaginary lubber ring 12a that clips of 2 imagination certain coil 12A by constituting imaginary coil
Coil 12B.
In armature coil group 8, every 21 slots 11 repeat the coil side 21a for being configured with identical patterns, it follows that not only
In setting range 15a, and in each setting range 15b~15d, the imaginary coil of each phase is also to occur regularly to 23
's.
It is that each phase (U phase, V phase, W phase) is pressed to the sequence of 23 electric current phase with each imaginary coil that fixed slot interval occurs
Such sequence is repeated according to identical sequence.In the imaginary lubber ring 12a of Figure 12, in the coil side 21a suitable for reading with slot 11
On the basis of when considering, the imaginary coil of 2 coil side 21a between suitable for reading with No.9 and No.11 is V phase to 23, is had
No.16 and No.18 it is suitable for reading between the imaginary coil of 2 coil side 21a be W phase to 23, it is upper with No.23 and No.25
The imaginary coil of 2 coil side 21a between mouthful is U phase to 23, therefore, it is repeated that is arranged according to the sequence of V phase, W phase, U phase
The group of column.The other structures of comparative example 2 are identical as comparative example 1.
Figure 13 is the table for showing the winding coefficient Kd of rotating electric machine 101 of comparative example 2.In the rotating electric machine 101 of comparative example 2
In, the numerical value of winding coefficient Kd shows all good tendency of fundametal compoment and high-order component.
Figure 14 is the structure chart for showing the rotating electric machine 1 of the 3rd embodiment of the invention.In addition, Figure 15 is to show Figure 14
Armature 2 a part expanded view.Also, Figure 16 be show Figure 14 armature 2 it is different from part shown in Figure 15
Partial expanded view.The range of each slot 11 of No.1~No.27 in the armature 2 of Figure 14 is shown in FIG. 15, shows in Figure 16
The range of each slot 11 of No.22~No.49 in the armature 2 of Figure 14 out.
Other than the width dimensions of the configuration of armature coil group 8 and magnetic pole tooth 10, the rotating electric machine 1 of present embodiment
Structure is identical as the structure of comparative example 2.
As shown in Figure 14~Figure 16, also it is set in the armature 2 of the rotating electric machine 1 of present embodiment and 2 phase of comparative example
With multiple (being 4 in this example) setting range 15a~15d as α °=1440 ° of electrical angle of range.Therefore, at this
In the armature 2 of the embodiment and boundary of setting range 15a, 15b is located at the magnetic pole tooth 10 of No.26, setting range 15b,
The boundary of 15c is located at the magnetic pole tooth 10 of No.47, and the boundary of setting range 15c, 15d are located at the magnetic pole tooth 10 of No.68, sets model
The boundary for enclosing 15d, 15a is located at the magnetic pole tooth 10 of No.5.
In addition, setting a part of setting range 15a, 15b adjacent to each other in each setting range 15a~15d as adjustment
When range 15a, 15b, in the rotating electric machine 1 of present embodiment, other than adjusting range 15a, 15b, each imagination lubber ring
Each lubber ring 12 is equipped at whole positions of 12a.In adjusting range 15a, 15b, it is special that each lubber ring 12 avoids each imagination
Alignment circle 12A and each imagination adjustment coil 12B respective positions and at the position that configured in each imaginary lubber ring 12a.
The end turn 22 of lubber ring 12 is across N+1 magnetic pole tooth 10.That is, the coil pitch of lubber ring 12 is N+1.At this
In example, due to N=2, the coil pitch of lubber ring 12 is 3.
Upper coil 13 and the configuration of the respective coil side 21 of inner coil 14 are special in the imagination for avoiding the configuration of lubber ring 12
At the position of the respective coil side 21a of alignment circle 12A.In this example, 3 are respectively configured with respectively in 2 adjusting ranges 15a, 15b
A upper coil 13 and 3 inner coil 14, the upper coil 13 and the respective number of inner coil 14 for including in armature coil group 8
Amount is respectively 6.In addition, upper coil 13 and the respective end turn 22 of inner coil 14 are across N number of magnetic pole tooth 10.That is, upper layer
Coil 13 and the respective coil pitch of inner coil 14 are all N (in this example, N=2).
That is, the structure of the armature 2 of present embodiment is following structure: assuming that each imagination lubber ring 12a whole lines
The case where circle side 21a configures imaginary lubber ring installation condition (Figure 11) at the suitable for reading and lower mouth of whole of each slot 11 regularly
Under, as shown in Figure 15 and Figure 16, in addition to each vacation in adjusting range 15a, 15b as a part of setting range adjacent to each other
Think other than certain coil 12A and each imagination adjustment coil 12B respective positions, at whole positions of each imaginary lubber ring 12a
It is equipped with lubber ring 12, is matched at the position of the respective coil side 21a of imaginary certain coil 12A of no Configuration baseline circle 12
It is equipped with upper coil 13 and the respective coil side 21 of inner coil 14.
It is identical as the 1st embodiment, in the suitable for reading and lower mouth of each slot 11 without Configuration baseline circle 12, upper coil 13
And the respective coil side 21 of inner coil 14 and in remaining space, configuration space block etc., with spacer block hold-in winding side 21.
In addition, having configuration under slot 11 in the adjusting range 15a of the armature 2 of the rotating electric machine 101 of comparative example 2
The synthesis magnetomotive force that the imaginary lubber ring 12a of each phase of coil side 21a at mouthful is generated respectively, with the rotation in present embodiment
In the adjusting range 15a of the armature 2 of motor 1, there is the lubber ring of each phase of coil side 21a of the configuration at the lower mouth of slot 11
12, the phase difference beta ° between the synthesis magnetomotive force that the upper coil 13 of each phase and the inner coil 14 of each phase generate respectively is about
It is 4.29 ° of (β ° ≒ 4.29).Therefore, in the armature core of present embodiment 7, according to above-mentioned condition 1 and formula (8), figure
The width dimensions T3 of the magnetic pole tooth 10 of No.6 at 15 left end (one end) positioned at adjusting range 15a is T0+T '.
On the other hand, the magnetic of the No.26 at the right-hand end (the other end) positioned at adjusting range 15a of Figure 15 and Figure 16
Pole tooth 10 is also the magnetic pole tooth 10 at the left end (one end) positioned at adjusting range 15b of Figure 15 and Figure 16.In adjustment model
It encloses in 15b, the magnetomotive phase difference beta ° of synthesis of each phase between comparative example 2 and present embodiment becomes and adjusting range 15a
Identical phase difference.Therefore, positioned at the other end of adjusting range 15a and the magnetic of the No.26 of an end portion of adjusting range 15b
The width dimensions T4 of pole tooth 10 is T0-T '+T '=T0.That is, being located at the width of the magnetic pole tooth 10 on the boundary of each adjusting range 15a, 15b
It is identical as the width dimensions T0 of magnetic pole tooth 10 in comparative example 2 to spend size T4.
In addition, in the present embodiment, at the right-hand end (the other end) positioned at adjusting range 15b of Figure 16
The width dimensions T5 of the magnetic pole tooth 10 of No.47 is T0-T '.The width dimensions of other magnetic pole tooths 10 be entirely and 2 phase of comparative example
Same T0.As a result, in the present embodiment, the armature line in each setting range in each setting range 15a~15d can be made
It is consistent to enclose the magnetomotive phase of each synthesis generated.
Figure 17 is the table for showing the winding coefficient Kd of rotating electric machine 1 of Figure 14.According to the rotating electric machine 1 of Figure 14 it is found that such as
Shown in Figure 17, the numerical value of winding coefficient Kd is good.It follows that the rotating electric machine 1 of Figure 14 is that the less and acting characteristic of loss is good
Good rotating electric machine.
In addition, in the present embodiment, due to adjusting range 15a, 15b and setting range 15c, 15d interior loop number not
Together, therefore, total resistance value, impedance, inductance of armature coil etc. be not no in adjusting range 15a, 15b and setting range 15c, 15d
Together.However, in the same manner as described above, for example, by the way that adjusting range 15a and the armature coil of each phase of setting range 15d are connected
Connection, and the armature coil of each phase of adjusting range 15b and setting range 15c is connected in series, by adjusting range 15a and set
Determine coil number, coil total resistance value, inductance of each phase in the range of range 15d is composed etc. with by adjusting range 15b and
Coil number, coil total resistance value, the inductance of each phase etc. in the range of setting range 15c is composed is identical.Thereby, it is possible to groups
At the good armature circuit of acting characteristic for making rotating electric machine 1.
In this way, even if can also be obtained in the case where every pole slot number q ' is from the 1st embodiment and different the 2nd embodiment
To effect identical with the 1st embodiment.
In addition, in the above example without segmentation armature core 7, but can also identically as the 2nd embodiment will be electric
Pivot iron core 7 is divided into multiple segmentation iron cores.In this case, the position on the boundary of each segmentation iron core is the line of each armature coil
Enclose end 22 not across magnetic pole tooth 10 (such as each magnetic pole tooth 10 of No.8 and No.43) position.
In addition, applying the present invention to the configuration of rotor 4 in the inner-rotor type of 2 inside of armature in each above embodiment
Rotating electric machine 1, but it is not limited to this, and also the present invention can be applied to armatures to configure outer-rotor type on the inside of tubular rotor
Rotating electric machine in.In addition, the present invention can be applied not only to (interior turn of armature and the diametrically opposed radial gap type of rotor
Subtype, outer-rotor type) rotating electric machine in, such as also can be applied to armature and rotor it is axially opposite in the axial direction between
In the rotating electric machine of gap type.
In addition, the rotating electric machine 1 of each above embodiment can also be applied to such as motor, generator and power generation electricity
Any one in motivation.In addition, the rotating electric machine 1 of each above embodiment can also be applied to other than synchronous motor
Such as induction machine etc..
Claims (3)
1. a kind of rotating electric machine, which is included
Armature core has and is separated from each other the multiple magnetic pole tooths being positioned apart from the circumferential, between each magnetic pole tooth
It is formed with slot；
Armature coil group, has to separately include and configures a pair of of coil side in the slot different from each other and will be the pair of
Multiple armature coils of the end turn connected between coil side, each armature coil are wound in a manner of being overlapped winding
In the magnetic pole tooth, three-phase current is flowed through in each armature coil；And
Rotor has the multiple magnetic poles arranged in the circumferential, rotates relative to the armature core and the armature coil group,
The armature coil group has upper coil, inner coil and multiple lubber rings as the armature coil, it is described on
A coil side and another described coil side for layer line circle is all configured in the suitable for reading of the slot, and the one of the inner coil
A coil side and another described coil side all configure the lower mouth in the slot, a line of the multiple lubber ring
Side configuration is enclosed in the suitable for reading of the slot, another described coil side configures the lower mouth in the slot,
When letting N be 2 or more natural number, every pole slot number q ' meets the relationship of N < q ' < N+1,
The end turn of each lubber ring is relative to the circumferential to identical towards inclined state of the armature core
Across N+1 magnetic pole tooths,
The upper coil and the respective end turn of the inner coil across N number of magnetic pole tooth,
Assuming that imagination lubber ring installation condition below: by each institute with the mutually isostructural multiple imaginary lubber rings of the lubber ring
The vacation that coil side configuration is stated in the whole mouth suitable for reading and lower of each slot, also, is made of 2 following imaginary lubber rings
Think that coil mutually respectively occurs to by each in the armature core in the circumferential each setting range of multiple setting ranges of equal part
One, wherein this 2 imaginary lubber rings, which have, is arranged respectively at the suitable for reading of 2 slots for clipping N number of magnetic pole tooth
The reversed such relationship of the current in phase that flows through in 2 coil sides at place,
The imaginary lubber ring for constituting each imaginary coil pair is being set as imaginary certain coil, if by constituting each imagination
When the imaginary lubber ring that the imaginary certain coil of 2 of coil pair clips adjusts coil for imagination,
Each lubber ring is avoided each in the adjusting range as a part of setting range in each setting range
Whole positions of the imagination certain coil and each imagination adjustment coil, the position configured in each imaginary lubber ring
Place,
The upper coil and the respective coil side of the inner coil configure each vacation in the adjusting range
At the position for thinking the respective coil side of certain coil,
Positioned at an end portion of the adjusting range the magnetic pole tooth width dimensions T1 than other magnetic pole tooths width
The narrow tooth width of size T0 adjusts size T ',
The width dimensions T2 of the magnetic pole tooth at the other end of the adjusting range is wider than other magnetic pole tooths
Spend size T0 wide and the identical size of tooth width adjustment size T '.
2. rotating electric machine according to claim 1, wherein
In the case where the width dimensions of the magnetic pole tooth all identical size T0, when being located in any one electric current phase,
The lubber ring with the coil side of the configuration at the lower mouth of the slot that is present in the adjusting range and match
The synthesis magnetomotive force that the upper coil and the inner coil in the adjusting range generate altogether is set, and is present in
There is institute of the configuration at the lower mouth of the slot in adjusting range when being assumed to be the imaginary lubber ring installation condition
The phase difference stated between the synthesis magnetomotive force that the imaginary lubber ring of coil side generates altogether is β °, if the armature core
Internal diameter be r, if the number of magnetic poles of the rotor is P, tooth width adjustment size T ' T '=2 × π × r × β °/(180 °
× P) it indicates.
3. rotating electric machine according to claim 1 or 2, wherein
The armature core is divided into the multiple segmentation iron cores arranged in the circumferential direction of the armature core,
The boundary position of each segmentation iron core be each armature coil all not across the magnetic pole tooth position.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/062794 WO2016174730A1 (en) | 2015-04-28 | 2015-04-28 | Rotary electrical machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107534339A CN107534339A (en) | 2018-01-02 |
| CN107534339B true CN107534339B (en) | 2019-06-21 |
Family
ID=57199058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580079158.5A Active CN107534339B (en) | 2015-04-28 | 2015-04-28 | Rotating electric machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6324623B2 (en) |
| CN (1) | CN107534339B (en) |
| WO (1) | WO2016174730A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7348829B2 (en) * | 2019-12-16 | 2023-09-21 | 株式会社日立製作所 | Hoisting machine and elevator |
| DE112021001240T5 (en) * | 2020-04-28 | 2023-01-05 | Fanuc Corporation | DISTRIBUTED WINDING COIL STRUCTURE STATOR AND THREE-PHASE AC MOTOR WITH THIS STATOR |
| JP7361670B2 (en) | 2020-09-14 | 2023-10-16 | 東芝三菱電機産業システム株式会社 | Polyphase motor drive device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1198743A (en) * | 1997-09-19 | 1999-04-09 | Fuji Electric Co Ltd | Armature winding, and its insertion method into groove of iron core |
| JP2004023807A (en) * | 2002-06-12 | 2004-01-22 | Denso Corp | Segments-sequentially-joined-type stator coil for rotary electric machine |
| JP2009189078A (en) * | 2008-02-01 | 2009-08-20 | Toyota Industries Corp | Stator of rotary electric machine, and rotary electric machine |
| CN102449887A (en) * | 2009-05-29 | 2012-05-09 | 罗伯特·博世有限公司 | Method for producing a stator winding of an electric machine, in particular for producing an alternator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9608501B2 (en) * | 2012-12-13 | 2017-03-28 | Mitsubishi Electric Corporation | Rotary electric machine |
| JP6148506B2 (en) * | 2013-03-22 | 2017-06-14 | 株式会社ミツバ | Electric motor and method for winding winding of electric motor |
-
2015
- 2015-04-28 WO PCT/JP2015/062794 patent/WO2016174730A1/en active Application Filing
- 2015-04-28 JP JP2017515316A patent/JP6324623B2/en active Active
- 2015-04-28 CN CN201580079158.5A patent/CN107534339B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1198743A (en) * | 1997-09-19 | 1999-04-09 | Fuji Electric Co Ltd | Armature winding, and its insertion method into groove of iron core |
| JP2004023807A (en) * | 2002-06-12 | 2004-01-22 | Denso Corp | Segments-sequentially-joined-type stator coil for rotary electric machine |
| JP2009189078A (en) * | 2008-02-01 | 2009-08-20 | Toyota Industries Corp | Stator of rotary electric machine, and rotary electric machine |
| CN102449887A (en) * | 2009-05-29 | 2012-05-09 | 罗伯特·博世有限公司 | Method for producing a stator winding of an electric machine, in particular for producing an alternator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2016174730A1 (en) | 2017-08-03 |
| JP6324623B2 (en) | 2018-05-16 |
| CN107534339A (en) | 2018-01-02 |
| WO2016174730A1 (en) | 2016-11-03 |
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