CN209730909U - Induction machine - Google Patents

Abstract

The utility model provides a kind of induction machine, is able to suppress vibration and noise occurs.Stator winding is to concentrate the induction machine in a manner of volume on tooth (212) (tooth base portion (213)).Tooth front end face (215) is made of 1~third portion (215A~215C).It is the part 1 of both ends side and gap lengths on part 2 position, longer than the gap lengths on the third portion position in center.Spaced radial between part 1 and the both ends of part 2 is set as H (mm), and the gap on third portion position is set as G (mm), is met [0.5≤(H/G)≤1.3].In addition, part 1 and part 2 the circumferential lengths angle, θ (degree) seen in the stator core central point, and the angle α (degree) between circumferentially-adjacent conductor (321) and the center line (P1) and (P2) of (322), meet [0.3≤(θ/α)≤0.6].

Description

Induction machine

Technical field

The utility model relates to induction machine, especially stator winding to be involved in the induction machine of teeth portion in a manner of volume to concentrate.

Background technique

Induction machine includes stator winding to concentrate the concentration volume mode induction machine wound in a manner of volume (referred to as " to concentrate volume Induction machine ").For example, patent document 1 is disclosed to concentrate volume induction machine.

Concentrate volume induction machine that there is stator and rotor.Stator is made of stator core and stator winding.Stator core from From the point of view of axial right-angle cross-section, there is the yoke portion that circumferentially extends and the teeth portion radially extended, teeth portion is by from yoke portion edge Extend radially into inner circumferential side tooth base portion and be arranged in tooth base portion radially inner circumference lateral edge circumferentially extending tooth front end structure At.The tooth front end face of the radially inner circumference side of tooth front end forms the inner peripheral surface of stator core.Stator winding is to concentrate in a manner of volume It is wound on tooth (tooth base portion).Rotor has rotor core and shaft.The conductor of the compositions such as copper or aluminium circumferentially divides on rotor core Cloth.

Patent document 1: Japanese Unexamined Patent Publication 2010-11674 bulletin

Utility model content

Volume induction machine is concentrated, with stator winding to be distributed the distribution wound in a manner of volume volume mode induction machine (referred to as " distribution volume induction machine ") it compares, although copper wire usage amount can be saved, vibration and noise is bigger.Therefore, air-conditioning or Freezer compressor etc. is less using concentration volume induction machine for the requirement to low vibration or low noise.

But copper valence rises very much, so even being that the compressor etc. of low vibration or low noise is required also to start to grind in recent years Beg for the concentration volume induction machine few using copper wire usage amount.

The utility model is created based on the above starting point, it is desirable to provide a kind of collection that vibration or noise can be inhibited to occur Middle volume induction machine.

The induction machine of the utility model, which is characterized in that

With stator and rotor,

The stator has stator core and stator winding,

The stator core has the yoke portion that circumferentially extends and radially extends from the point of view of axial right-angle cross-section Multiple teeth portion, the teeth portion, which has from the yoke portion, radially extends the tooth base portion to inner circumferential side, and is arranged in the tooth The radially inner circumference side of base portion and the tooth front end circumferentially extended, the radially inner circumference side of the tooth front end form tooth front end Face,

The stator winding is involved in the tooth base portion in a manner of volume to concentrate,

The rotor has rotor core and shaft,

The rotor core is circumferentially configured with multiple conductors from the point of view of axial right-angle cross-section,

It is opposite between the shaft and the tooth front end face and the outer peripheral surface of the rotor core in the state of gap The stator can be rotatably supported freely,

The tooth front end face is by the part 2 in the part 1 and circumferential the other end position on circumferential one end position And the third portion between the part 1 and the part 2 is constituted,

The third portion, the gap lengths on position are isometric,

The part 1, the gap that the gap lengths on position will be longer than on the third portion position are long Degree,

The part 2, the gap that the gap lengths on position will be longer than on the third portion position are long Degree.

The induction machine of the utility model by the stator with stator core and stator winding, and have rotor core and The rotor of shaft is constituted.

Stator core has the yoke portion circumferentially extended and radially extends multiple from the point of view of axial right-angle cross-section Teeth portion, teeth portion, which has from yoke portion, radially extends the tooth base portion to inner circumferential side, and the radially inner circumference side of tooth base portion is arranged in And the tooth front end circumferentially extended, tooth front end face is formd in the radially inner circumference side of tooth front end.And tooth front end face structure At the inner peripheral surface of stator core.Stator winding is involved in tooth base portion in a manner of volume to concentrate.

Rotor core is circumferentially configured with multiple conductors from the point of view of axial right-angle cross-section.Conductor is made of copper, aluminium etc.. Rotor core outer peripheral surface circular.Shaft with the outer peripheral surface of tooth front end face (inner peripheral surface of stator core) and rotor core it Between in the state of gap, being supported relative stator iron core can rotate freely.

If tooth front end both ends side position magnetic flux sharply flows into and (charges into magnetic flux inflow), vibration or noise can be generated. So, it is sharply flowed by preventing tooth front end both ends side position from charging into magnetic flux, vibration or the generation of noise can be inhibited.

In the present invention, tooth front end face by circumferential one end position part 1, on circumferential the other end position Part 2, third portion between part 1 and third portion constitutes.Third portion, the gap lengths etc. on position Long (including " slightly isometric ").Part 1, the gap lengths on position are longer than the gap lengths on third portion position.2nd Point.

1st and part 2 of tooth front end face, shape are suitably set.

The utility model can prevent tooth front end circumferential direction both ends pleurapophysis from entering magnetic flux and sharply flow into, to inhibit to vibrate Or the generation of noise.

In the different shape of the utility model, the 1st and part 2 position on gap lengths from the 3rd part towards week It is gradually increased to one end and circumferential the other end direction.1st and third portion, for example, third portion rises towards circumferential both ends side To forming the shapes such as linear, curve-like, step-like and all may be used as long as meeting with a distance from stator core central point increasingly longer With.

This form can certainly prevent the magnetic flux change dramatically for flowing through tooth front end circumferential direction both ends side.

In the different shape of the utility model, the 1st and part 2 position on gap lengths from the 3rd part towards week It is linearly gradually increased to both ends side direction.That is, the 1st and part 2 circumferential direction linear extension.

This form can be effectively prevented the magnetic flux change dramatically for flowing through tooth front end circumferential direction both ends side.

1st and the shape of part 2 can be suitably set according to certain condition.

In the different shape of the utility model, the spaced radial between part 1 both ends and between part 2 both ends is set For H (mm), third portion gap is set as G (mm), is met [0.5≤(H/G)≤1.3].

This form can inhibit vibration or the generation of noise in the case where not increasing copper loss.

In addition, in the different shape of the utility model, the 1st and part 2 circumferential lengths from stator core central point institute See the angle α (degree) between angle, θ (degree) and the center line by stator core central point of circumferentially-adjacent conductor, meets [0.3≤(θ/α)≤0.6].Angle α is expressed as [360 degree/number of conductors], and conductor preferably 16~20.

This form can inhibit vibration or the generation of noise in the case where not reducing efficiency.

In addition, in the different shape of the utility model, between circumferentially-adjacent conductor circumferentially in line, the length of the shortest route Spend the center line by stator core central point from stator core central point finding angle beta (degree) and circumferentially-adjacent conductor Between angle α (degree), meet [0.3≤(beta/alpha)≤0.6].

This form can prevent torque low.

In addition, conductor has in the different shape of the utility model, configure in the circular arc that radially outer peripheral side radius is R 1st face of composition is configured in the 2nd face that the circular arc that radially inner circumference side radius is S (S < R) is constituted, configuration in circumferential one end The 3rd face for connecting the straight line composition in the 1st and the 2nd face and configuration are in the straight of the face of circumferential other end connection the 1st and the 2nd The 4th face that line is constituted.When so shaped conductor is circumferentially distributed, the connection in 1 face and the 4th face of circumferential one end conductor Line between the interconnecting piece in 1 face and the 3rd face of portion and circumferential other end conductor, between conductor in circumferential line The shortest route.Therefore, in this form, 1 face of one end conductor between circumferentially-adjacent 2 conductor, circumferential and the company in the 4th face Length between the interconnecting piece in 1 face and the 3rd face of socket part and circumferential other end conductor, from stator core central point institute See the angle α (degree) that angle is set as between β (degree) and the center line by stator core central point of circumferentially-adjacent conductor, Meet [0.3≤(beta/alpha)≤0.6].

This form can effectively inhibit vibration or the generation of noise.

The utility model can inhibit to concentrate the vibration of volume induction machine or the generation of noise.

Detailed description of the invention

Fig. 1 is the axial right-angle cross-section figure for indicating an embodiment of induction machine of the utility model.

Fig. 2 is the magnified partial view of display diagram 1.

Fig. 3 is the relational graph for indicating [upper jump degree (H)/gap (G)] with electric and magnetic oscillation and efficiency.

Fig. 4 is the pass for indicating [upper skip frame degree (angle, θ)/conductor centreline space is every (angle [alpha])] with electric and magnetic oscillation and efficiency System's figure.

Fig. 5 is to indicate [minimum interval (angle beta)/conductor centreline space is every (angle [alpha]) between conductor] and moment conditions figure.

The explanation of appended drawing reference:

100 induction machines

200 stators

210 stator cores

211 yoke portions

212 teeth portion

213 tooth base portions

214 tooth front ends

215 tooth front end faces

The part of 215A the 1st

The part of 215B the 2nd

The part of 215C the 3rd

The end 215a, 215b

215c, 215d interconnecting piece

216 slots

250 stator winding

300 rotors

310 rotor cores

311 outer peripheral surfaces

312 inner peripheral surfaces

320,321,322 conductor

The face of 321a, 322a the 1st

The face of 321b, 322b the 2nd

The face of 321c, 322c the 3rd

The face of 321d, 322d the 4th

350 shafts

Specific embodiment

Hereinafter, illustrating the embodiments of the present invention referring to figure is paid.

In the present specification, " axial direction " refer to rotor be configured to against stator it is rotatable in the state of, pass through stator iron The direction of the stator core center line (rotor core center line) of core central point (rotor core central point) O." circumferential direction ", which refers to, to be turned Son be configured to against stator it is rotatable in the state of, from the point of view of axial right-angle cross-section, centered on stator core central point O Circumferencial direction." radial direction " refer to rotor core be configured to against stator core it is rotatable in the state of, from axial right-angle cross-section From the point of view of, pass through the direction of stator core central point O.

The utility model person has studied the factors for concentrating volume induction machine to may induce vibration or noise, it was found that this One conclusion, that is, if the circumferential both ends side magnetic flux of tooth front end sharply flows into and (charges into magnetic flux inflow), electromagnetic vibration can be generated Dynamic, which is vibration or noise Producing reason.

It is flowed into prevent tooth front end circumferential direction both ends side position from charging into magnetic flux, it may be considered that with the following method, that is, tooth Gap between the tooth front end face (stator core inner peripheral surface) and rotor core outer peripheral surface of front end face circumferential direction both ends side position, greatly Gap on tooth front end face center portion position.

Firstly, referring to Fig.1, Fig. 2 illustrate the utility model induction machine an embodiment.Fig. 1 is this embodiment party The axial right-angle cross-section figure of formula induction machine 100.In addition, Fig. 2 is the magnified partial view of Fig. 1.

The induction machine 100 of present embodiment has stator 200 and rotor 300.

Stator 200 is made of stator core 210 and stator winding 250.

Stator core 210 has the yoke portion 211 that circumferentially extends and radially extends from the point of view of axial right-angle cross-section The multiple teeth portion 212 circumferentially configured and the slot 216 formed by circumferentially-adjacent teeth portion 212 simultaneously.Teeth portion 212 has from yoke The tooth base portion 213 that portion 211 extends along radially-inwardly side (side stator core central point O), and the diameter in tooth base portion 213 It is arranged to inner circumferential side, the tooth front end 214 circumferentially extended.The radially inner circumference side of tooth front end 214 forms tooth front end face 215.Tooth front end face 215 forms the rotor insertion space that rotor core 310 is inserted into.Determine that is, tooth front end face 215 forms The inner peripheral surface of sub- iron core 210.

Stator winding 250 is wound into tooth 212 (specifically, tooth base portion 213) in a manner of volume by concentrating.In present embodiment Equipped with 6 teeth 212 (6 slot).

Rotor 300 is made of rotor core 310 and shaft 350.

The outer peripheral surface 311 of rotor core 310 is formed using stator core central point (rotor core central point) O as the center of circle It is round.In addition, conductor (also referred to as " secondary conductor ") 320 circumferentially configures in rotor core 310.Conductor 320 is by copper or aluminium Deng composition.Conductor 320 preferably 16~20.

Shaft 350 is inserted into the rotational shaft insertion hole formed by the inner peripheral surface 312 of rotor core 310 by modes such as indentations.Turn Axis 350 is separated with gap between tooth front end face 215 (inner peripheral surface of stator core 210) and the outer peripheral surface 311 of rotor core 310 Rotor core 310 can be rotatably supported freely in the state of G.

Present embodiment, as shown in Fig. 2, tooth front end face 215 is by the part 1 215A positioned at end 215a and is located at end The part 2 215B of portion 215b and between part 1 215A and part 2 215B (central portion) third portion 215C It constitutes.That is, interconnecting piece 215c and end 215a of the part 1 215A between third portion 215C and part 1 215A Between extend.Part 2 215B is between the interconnecting piece 215d and end 215b between third portion 215C and part 2 215B Extend.Third portion 215C extends between interconnecting piece 215c and 215d.

Further, in the present embodiment, part 1 215A is from interconnecting piece 215c to end 215a linear extension. That is, the gap lengths between 310 outer peripheral surface 311 of the tooth front end face 215 on the position part 1 215A and rotor core, from connection Portion 215c, which rises towards the end direction 215a straight line, to be increased.In addition, part 2 215B prolongs from interconnecting piece 215d to end 215b straight line It stretches.That is, the gap lengths on the position part 2 215B, increase from interconnecting piece 215d towards the end direction 215b straight line.In addition, Third portion 215C between interconnecting piece 215c and 215d, along the circular arc circular arc formed using stator core central point O as the center of circle Shape extends.That is, the gap lengths on the position third portion 215C are isometric (including " slightly isometric ").

Hereinafter, gap lengths are gradually increased from central portion towards circumferential both ends 215a, 215b, part 1 215A and the 2nd We term it " above jumping shape " for the shape of part 215B.

In present embodiment, end 215a corresponds to " the circumferential one end " of the utility model, and end 215b is corresponding originally practical Novel " circumferential the other end ".

" above the jumping shape " of part 1 215A and part 2 215B will be illustrated next.

Firstly, referring to Fig. 2 illustratively each term definition.

Z, the radial wide cut minimum value (mm) in the yoke portion 211 of stator core 210 is indicated.

W, the circumferential wide cut minimum value (mm) of tooth base portion 213 is indicated.

G, the gap between tooth front end face 215 (210 inner peripheral surface of stator core) and 310 outer peripheral surface 311 of rotor core is indicated (mm)。

H, the both ends spaced radial (mm) (upper jump degree) of part 1 215A and part 2 215B is indicated.That is, passing through Interconnecting piece 215c (215d) and using stator core central point O as the arc radius in the center of circle and by end 215a (215b) and with Stator core central point O is the difference of the arc radius in the center of circle.

θ, indicate the circumferential lengths (upper skip frame degree) of part 1 215A and part 2 215B from stator core central point O institute See angle (degree).That is, the line of stator core central point O and end 215a (215b) and stator core central point O and connection Angle between the line of portion 215c (215d).

M, circumferentially-spaced minimum value (mm) between the circumferentially-adjacent conductor of expression.

α, circumferentially-adjacent conductor, angle (degree) by stator core central point O centreline space are indicated.That is, α is conductor Centreline space is away from the angle seen in the stator core central point O.Alternatively, it is also possible to be indicated with [360/ number of conductors].

β, the shortest route between circumferentially-adjacent conductor in the circumferential line angle seen in the stator core central point O is indicated (degree).That is, β circumferentially-spaced minimum value (circumferential most short interval) between conductor.

In the present embodiment, conductor 321 (322) has, and configuration exists in the face 321a (322a) of peripheral side the 1st, configuration The face 321b (322b) of inner circumferential side the 2nd, the face 321c (322c) configured in circumferential one end the 3rd and configuration are in the circumferential other end 4th face 321d (322d).The face 321b (322b) of 1st face 321a (322a) and the 2nd, passing through stator iron along the center of circle Circular arc is done with the circular arc that the R or S shorter than R (S < R) is radius on the center line P1 (P2) of the conductor 321 (322) of core central point O Shape extends.The face 321d (322d) of 3rd face 321c (322c) and the 4th the 1st face 321a (322a) and the 2nd face 321b Linear extension between (322b).Therefore, the 4th face 321d and the circumferential other end of conductor 322 on the circumferential end position of conductor 321 The 3rd face 322c on position is flat with the line Q of circumferential central point and stator core central point O by conductor 321 and 322 Row.

Under this structure, M indicates the face of the 1st face 321a and the 4th of the conductor 321 on a circumferential end position The interconnecting piece E of the face 322c of 1st face 322a and the 3rd of the interconnecting piece F of 321d and the conductor 322 on circumferential another end position Between it is circumferentially-spaced.α indicates the angle between the center line P1 and P2 of conductor 321 and 322.β indicates stator core central point O Line T2 between line T1 between the interconnecting piece F of conductor 321 and stator core central point O and the interconnecting piece E of conductor 322 Between angle.

[upper jump degree (H)/gap (G)] its parsing result is as shown in Figure 3 with the correlation of electric and magnetic oscillation and copper loss.Figure 3 horizontal axis indicate [H (mm)/G (mm)], and first longitudinal axis indicates electric and magnetic oscillation (dB), and second longitudinal axis indicates copper loss (W).

As can be known from Fig. 3, [H/G] field electric and magnetic oscillation below 0.5 is big, 0.5 or more field electric and magnetic oscillation is small.In addition, [H/G] field copper loss below 1.3 is small, 1.3 or more field copper loss are big.Efficiency can reduce if copper loss becomes larger.

In summary, if copper loss can be reduced if structure is able to satisfy [0.5≤upper jump degree (H)/gap (G)≤1.3] While improving efficiency, moreover it is possible to inhibit electric and magnetic oscillation.

Its solution of [upper skip frame degree (angle, θ)/conductor centreline space is away from (angle [alpha])] and the correlation of electric and magnetic oscillation and efficiency It is as shown in Figure 4 to analyse result.Fig. 4 horizontal axis indicates [θ (degree)/α (degree)], and first longitudinal axis indicates electric and magnetic oscillation (dB), the second longitudinal axis table Show efficiency (%).

As can be known from Fig. 4, [θ/α] field electric and magnetic oscillation below 0.3 is big, 0.3 or more field electric and magnetic oscillation is small.In addition, The field below 0.6 [θ/α] is high-efficient, 0.6 or more field low efficiency.

In summary, if structure be able to satisfy [0.3≤upper skip frame degree (angle, θ)/conductor centreline space away from (angle [alpha])≤ 0.6], while efficiency can be improved, moreover it is possible to inhibit electric and magnetic oscillation.

Its parsing of the correlation of [minimum spacing (angle beta)/conductor centreline space is away from (angle [alpha]) between conductor] and torque is tied Fruit is as shown in Figure 5.Fig. 5 horizontal axis indicates [β (degree)/α (degree)], and the longitudinal axis indicates torque (Nm).

As can be known from Fig. 5, [beta/alpha] is below 0.3 and 0.6 or more field torque is small, and field torque is big between 0.3 to 0.6.

In summary, if structure is able to satisfy, [minimum spacing (angle beta)/conductor centreline space is away from (angle between 0.3≤conductor α)≤0.6], available high-torque.

To sum up, in the present embodiment, it can prevent the circumferential both ends pleurapophysis of stator core tooth front end from entering magnetic flux stream Enter, and inhibits to enter the generation of the vibration or noise that generate due to magnetic flux flows into because of tooth front end circumferential direction both ends pleurapophysis.

Furthermore it is possible to prevent the circumferential both ends pleurapophysis of stator core tooth front end enter magnetic flux inflow, and inhibit because of tooth before The circumferential both ends pleurapophysis of end enters magnetic flux inflow and the vibration of generation or the generation of noise.

The utility model is not limited to the composition illustrated in embodiments, and various modifications may be made, additional, deletion.

In the above-described embodiment, on the circumferential one end side of tooth front end face and circumferential the other end side position, from center Part is risen linearly to be extended towards circumferential both ends direction.But the utility model is without being limited thereto.For example, it is also possible to it is step-like or Extend to curve-like.

In the above-described embodiment, tooth front end face be by circumferential one end position part 1 and circumferential the other end The third portion between part 2 and the part 1 and the part 2 on position, i.e., 3 parts constitute.But this Utility model is without being limited thereto.It can also be more than 4 parts to be constituted.For example, can also between third portion and part 1 and part 2 To form the 4th part and the 5th part.At this point, each section shape is meeting gap lengths from the central portion of tooth front end face towards circumferential direction Both ends direction is set properly under the premise of gradually increasing this.

The conductor sections being distributed on rotor are not limited to the shape illustrated in embodiment.

Each composition illustrated in embodiments, can be used alone, and multiple compositions can also suitably be selected to be used in combination. For example, [upper skip frame degree (angle, θ)/conductor shown in the correlated condition in [upper jump degree (H)/gap (G)] shown in Fig. 3, Fig. 4 Centreline space is away from (angle [alpha])] correlated condition, it is only necessary to meet one and be just able to suppress vibration or the generation of noise.Even, only The part for only meeting the circumferential both ends side of tooth front end face, which is formed, jumps shape, it will be able to inhibit vibration or the generation of noise.

The induction machine of the utility model can be used as the vehicle-mounted machine that the compression mechanical part for constituting compressor or automobile carry The driving motor of device etc. is used.

Claims (14)

1. a kind of induction machine, which is characterized in that

With stator and rotor,

The stator has stator core and stator winding,

The stator core has the yoke portion circumferentially extended and radially extends multiple from the point of view of axial right-angle cross-section Teeth portion, the teeth portion, which has from the yoke portion, radially extends the tooth base portion to inner circumferential side, and is arranged in the tooth base portion Radially inner circumference side and the tooth front end that circumferentially extends, the radially inner circumference side of the tooth front end form tooth front end face,

The stator winding is involved in the tooth base portion in a manner of volume to concentrate,

The rotor has rotor core and shaft,

The rotor core is circumferentially configured with multiple conductors from the point of view of axial right-angle cross-section,

Between the shaft and the tooth front end face and the outer peripheral surface of the rotor core in the state of gap, described in Stator can be rotatably supported freely,

The tooth front end face by the part 1 and circumferential the other end position on circumferential one end position part 2 and Third portion between the part 1 and the part 2 is constituted,

The third portion, the gap lengths on position are isometric,

The part 1, the gap lengths on position will be longer than the gap lengths on the third portion position,

The part 2, the gap lengths on position will be longer than the gap lengths on the third portion position.

2. induction machine according to claim 1, which is characterized in that

The part 1, gap lengths on the position court from the interconnecting piece of the part 1 and the third portion The circumferential direction one end direction gradually increases,

The part 2, gap lengths on the position court from the interconnecting piece of the part 2 and the third portion Circumferential direction the other end direction gradually increases.

3. induction machine according to claim 2, which is characterized in that

The part 1 and the part 2 circumferentially linear extension.

4. described in any item induction machines according to claim 1~3, which is characterized in that

Spaced radial between the interconnecting piece of the part 1 and the third portion and the circumferential one end and described the Spaced radial between 2 parts and the interconnecting piece and described circumferential the other end of the third portion is set as Hmm, the third portion The gap be set as Gmm, then meet [0.5≤(H/G)≤1.3].

5. described in any item induction machines according to claim 1~3, which is characterized in that

It is described with passing through by the line of the stator core central point and the interconnecting piece of the part 1 and the third portion Angle between stator core central point and the line of the circumferential one end, and pass through the stator core central point and institute The line for stating the interconnecting piece of part 2 and the third portion, and passes through the stator core central point and the circumferential other end Angle between the line in portion is set as θ degree, the conductor of one end in the circumferentially-adjacent conductor, by the stator core The center line of heart point, the angle between center line with other end conductor, by the stator core central point are set as α degree, Meet [0.3≤(θ/α)≤0.6].

6. induction machine according to claim 4, which is characterized in that

It is described with passing through by the line of the stator core central point and the interconnecting piece of the part 1 and the third portion Angle between stator core central point and the line of the circumferential one end, and pass through the stator core central point and institute The line for stating the interconnecting piece of part 2 and the third portion, and passes through the stator core central point and the circumferential other end Angle between the line in portion is set as θ degree, the conductor of one end in the circumferentially-adjacent conductor, by the stator core The center line of heart point, the angle between center line with other end conductor, by the stator core central point are set as α degree, Meet [0.3≤(θ/α)≤0.6].

7. described in any item induction machines according to claim 1~3, which is characterized in that

In line circumferentially between the circumferentially-adjacent conductor, the length of the shortest route, from the stator core central point Finding angle is set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].

8. induction machine according to claim 4, which is characterized in that

In line circumferentially between the circumferentially-adjacent conductor, the length of the shortest route, from the stator core central point Finding angle is set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].

9. induction machine according to claim 5, which is characterized in that

In line circumferentially between the circumferentially-adjacent conductor, the length of the shortest route, from the stator core central point Finding angle is set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].

10. induction machine according to claim 6, which is characterized in that

In line circumferentially between the circumferentially-adjacent conductor, the length of the shortest route, from the stator core central point Finding angle is set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].

11. induction machine according to claim 7, which is characterized in that

The conductor has, and configures in the 1st face that the circular arc that radially outer peripheral side radius is R is constituted, configuration in radially inner circumference side Radius connects the straight line structure in the 1st face and the 2nd face in circumferential one end for the 2nd face of the circular arc composition of S, configuration At the 3rd face and configuration constituted in straight line that the circumferential other end connects the 1st face and the 2nd face the 4th Face, wherein S < R,

Configured in circumferentially-adjacent 2 conductors described circumferential one end conductor, pass through the 1st face and the 4th face Interconnecting piece and the stator core central point line, with configuration the circumferential other end conductor, pass through the described 1st Face and the 3rd face interconnecting piece and the stator core central point line, between angle be set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].

12. induction machine according to claim 8, which is characterized in that

The conductor has, and configures in the 1st face that the circular arc that radially outer peripheral side radius is R is constituted, configuration in radially inner circumference side Radius connects the straight line structure in the 1st face and the 2nd face in circumferential one end for the 2nd face of the circular arc composition of S, configuration At the 3rd face and configuration constituted in straight line that the circumferential other end connects the 1st face and the 2nd face the 4th Face, wherein S < R,

Configured in circumferentially-adjacent 2 conductors described circumferential one end conductor, pass through the 1st face and the 4th face Interconnecting piece and the stator core central point line, with configuration the circumferential other end conductor, pass through the described 1st Face and the 3rd face interconnecting piece and the stator core central point line, between angle be set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].

13. induction machine according to claim 9, which is characterized in that

The conductor has, and configures in the 1st face that the circular arc that radially outer peripheral side radius is R is constituted, configuration in radially inner circumference side Radius connects the straight line structure in the 1st face and the 2nd face in circumferential one end for the 2nd face of the circular arc composition of S, configuration At the 3rd face and configuration constituted in straight line that the circumferential other end connects the 1st face and the 2nd face the 4th Face, wherein S < R,

Configured in circumferentially-adjacent 2 conductors described circumferential one end conductor, pass through the 1st face and the 4th face Interconnecting piece and the stator core central point line, with configuration the circumferential other end conductor, pass through the described 1st Face and the 3rd face interconnecting piece and the stator core central point line, between angle be set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].

14. induction machine according to claim 10, which is characterized in that

The conductor has, and configures in the 1st face that the circular arc that radially outer peripheral side radius is R is constituted, configuration in radially inner circumference side Radius connects the straight line structure in the 1st face and the 2nd face in circumferential one end for the 2nd face of the circular arc composition of S, configuration At the 3rd face and configuration constituted in straight line that the circumferential other end connects the 1st face and the 2nd face the 4th Face, wherein S < R,

Configured in circumferentially-adjacent 2 conductors described circumferential one end conductor, pass through the 1st face and the 4th face Interconnecting piece and the stator core central point line, with configuration the circumferential other end conductor, pass through the described 1st Face and the 3rd face interconnecting piece and the stator core central point line, between angle be set as β degree,

The conductor of one end in the circumferentially-adjacent conductor, center line by the stator core central point, with the other end Conductor, α degree is set as by the angle between the center line of the stator core central point, meet [0.3≤(beta/alpha)≤0.6].