Asymmetric magnetism gathering type magnetic pole generator with low air gap harmonic flux density

Abstract

The invention provides an asymmetric magnetism gathering type magnetic pole generator with low air gap harmonic flux density, which belongs to the technical field of automobile motor electric appliances, and is characterized in that a generator rotor is an asymmetric magnetism gathering type magnetic pole permanent magnet rotor, permanent magnet steel in each magnetic pole is asymmetric, permanent magnet steel between adjacent magnetic poles is also asymmetric, the cogging torque is small, the torque pulsation is low, and the permanent magnet steel in each magnetic pole is not symmetric. The vibration noise is reduced, each magnetic pole is composed of multiple layers and multiple pieces of permanent magnet steel and a magnetic isolation air gap, the magnetic gathering effect is remarkable, the magnetic field intensity is large, the power density is high, the air gap harmonic magnetic density is low, the stator iron core eddy current loss is small, and the output efficiency of the generator is high.

Description

Technical Field

[0001] This invention provides an asymmetric magnetic pole generator with low air gap harmonic magnetic flux density, belonging to the field of automotive motor and electrical technology. Background Technology

[0002] Currently, permanent magnet generators used in automobiles generally suffer from poor low-speed power generation and low output power, failing to meet the high power consumption requirements of modern automotive electrical systems. For example, the patent published in the Chinese Patent Gazette on August 8, 2001, entitled "Stabilized Permanent Magnet Generator," application number: 001, illustrates this issue. Model 12053.0 consists of a housing, base, power shaft, rotor, permanent magnet, stator, stator winding, stator base, stator sliding sleeve, balance spring, anti-rotation connecting screw, sliding block, adjusting shaft, positioning bearing, adjusting shaft drive mechanism, and automatic feedback control circuit. The power shaft is fixed to the base via the positioning bearing, the rotor is fixed to the power shaft, one end of the stator sliding sleeve is fixed to the base, and the stator sliding sleeve has an axial through slot. The balance spring is located inside the stator sliding sleeve, one end of which is blocked by one end face of the stator sliding sleeve, and the other end pushes against the sliding block located inside the stator sliding sleeve. The sliding block and the stator base are fixedly connected by an anti-rotation connecting screw passing through the through slot of the sliding sleeve. The center of the sliding block is threadedly connected to one end of the adjusting shaft. The detection signal input terminal of the automatic feedback control circuit is connected in parallel to the output terminal of the stator winding, and the control signal output terminal of the circuit is connected to the controlled terminal of the drive mechanism. This voltage-stabilized permanent magnet generator has a complex structure and high cost, and its performance needs further improvement. Summary of the Invention

[0003] The purpose of this invention is to provide an asymmetric magnetic pole generator that overcomes the above-mentioned defects. Each magnetic pole of the generator adopts an asymmetric combined magnetic pole structure, the air gap magnetic flux density has a sinusoidal distribution with low waveform distortion, significant magnetic concentration effect, high magnetic field strength, high power density, and low air gap harmonic magnetic flux density. The technical content is as follows: The asymmetric magnetic pole generator with low air gap harmonic magnetic flux density consists of an electronic voltage regulator, a front cover, a rear cover, a rotor, and a stator. Its characteristic is that the generator rotor is an asymmetric magnetic pole permanent magnet rotor. The asymmetric focusing magnetic pole permanent magnet rotor includes a shaft, a rotor core, and six rectangular permanent magnets (the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth, twentieth, twenty-first, twenty-second, twenty-third, and twenty-fourth rectangular permanent magnets), a semi-circular permanent magnet, screws, and pole shoes. The rotor laminations include iron rivets, a first magnetic isolation air gap, a second magnetic isolation air gap, a third magnetic isolation air gap, a fourth magnetic isolation air gap, a fifth magnetic isolation air gap, a sixth magnetic isolation air gap, a seventh magnetic isolation air gap, an eighth magnetic isolation air gap, a ninth magnetic isolation air gap, a tenth magnetic isolation air gap, an eleventh magnetic isolation air gap, a twelfth magnetic isolation air gap, a thirteenth magnetic isolation air gap, a fourteenth magnetic isolation air gap, a fifteenth magnetic isolation air gap, a first "V"-shaped magnetic isolation air gap, and a second "V"-shaped magnetic isolation air gap. Near the outer circumference of the rotor lamination, to the left of the center line of the first N magnetic pole and to the right of the center line at an angle of 11.25° to the center line of the first N magnetic pole, a first rectangular groove penetrating the thickness of the rotor lamination is provided. The center line of the first rectangular groove along its length forms an angle of 11° with the center line of the first N magnetic pole to the left of the center line of the first N magnetic pole.Parallel to the center line of 25°, a first circular arc magnetic isolation air gap penetrating the thickness of the rotor punching sheet is provided at the outer end of the first rectangular groove. The outer end of the first circular arc magnetic isolation air gap is not connected to the outer circle of the rotor punching sheet. The inner end of the first circular arc magnetic isolation air gap is connected to the outer end of the first rectangular groove and the diameter of the circle formed by the first circular arc magnetic isolation air gap is greater than the width of the first rectangular groove. A first magnetic isolation air gap penetrating the thickness of the rotor punching sheet is provided at the inner end of the first rectangular groove. The upper end of the first magnetic isolation air gap is connected to the inner end of the first rectangular groove and the width of the first magnetic isolation air gap is less than the width of the first rectangular groove. The lower end of the first magnetic isolation air gap is not connected to the inner circle of the rotor punching sheet. A first "human" shaped magnetic isolation air gap penetrating the thickness of the rotor punching sheet is provided on the first N pole center line and near the outer circle of the rotor punching sheet. The upper end of the first "human" shaped magnetic isolation air gap is not connected to the outer circle of the rotor punching sheet. A third rectangular groove penetrating the thickness of the rotor punching sheet is provided at the lower left end of the first "human" shaped magnetic isolation air gap. The right end of the third rectangular groove is connected to the lower left end of the first "human" shaped magnetic isolation air gap and the width of the lower left end of the first "human" shaped magnetic isolation air gap is less than the width of the third rectangular groove. The lower left end of the third rectangular groove is not connected to the inner circle of the rotor punching sheet. The left end of the third rectangular groove is not connected to the lower end of the first magnetic isolation air gap. The lowermost end of the left end of the third rectangular groove and the lowermost end of the first magnetic isolation air gap are on the same straight line. A seventh rectangular groove penetrating the thickness of the rotor punching sheet is provided at the lower right end of the first "human" shaped magnetic isolation air gap. The left end of the seventh rectangular groove is connected to the lower right end of the first "human" shaped magnetic isolation air gap and the width of the lower right end of the first "human" shaped magnetic isolation air gap is less than the width of the seventh rectangular groove. The lowermost end of the right end of the seventh rectangular groove is not connected to the inner circle of the rotor punching sheet. A second rectangular groove penetrating the thickness of the rotor punching sheet is provided near the outer circle of the rotor punching sheet and between the first "human" shaped magnetic isolation air gap and the first rectangular groove. The outer end of the second rectangular groove is not connected to the outer circle of the rotor punching sheet, the upper end of the first "human" shaped magnetic isolation air gap, and the outer end of the first rectangular groove. A twenty-fifth rectangular groove penetrating the thickness of the rotor punching sheet is provided at the inner end of the second rectangular groove. The upper end of the twenty-fifth rectangular groove is connected to the inner end of the second rectangular groove and the length of the twenty-fifth rectangular groove is less than the width of the second rectangular groove. A second magnetic isolation air gap in the tangential direction penetrating the thickness of the rotor punching sheet is provided at the lower end of the twenty-fifth rectangular groove. The upper end of the second magnetic isolation air gap is connected to the lower end of the twenty-fifth rectangular groove. The left end of the twenty-fifth rectangular groove and the left end of the second magnetic isolation air gap are on the same straight line. The length of the second magnetic isolation air gap is greater than the length of the twenty-fifth rectangular groove. The right end of the second magnetic isolation air gap is connected to the upper end of the first "human" shaped magnetic isolation air gap. A third magnetic isolation air gap penetrating the thickness of the rotor punching sheet is provided near the outer circle of the rotor punching sheet, on the right side of the first N pole center line, and on the left side of the center line with an angle of 11.25° with the first N pole center line. The center line in the length direction of the third magnetic isolation air gap is on the right side of the first N pole center line and the angle with the first N pole center line is 11.The center lines are parallel at 25°. The outer end of the third magnetic isolation air gap is not connected to the outer circle of the rotor lamination. An eighth rectangular slot penetrating the thickness of the rotor lamination is provided at the inner end of the third magnetic isolation air gap. The right end of the eighth rectangular slot is connected to the inner end of the third magnetic isolation air gap, and the width of the third magnetic isolation air gap is smaller than the width of the eighth rectangular slot. The lowest point of the left end of the eighth rectangular slot is not connected to the inner circle of the rotor lamination. The left end of the eighth rectangular slot is not connected to the right end of the seventh rectangular slot. The lowest point of the left end of the eighth rectangular slot and the lowest point of the right end of the seventh rectangular slot are on the same straight line. Near the outer circle of the rotor lamination and between the first "V"-shaped magnetic isolation air gap and the third magnetic isolation air gap, there is an inverted... The two fourth rectangular slots with an "eight" shape have inverted "eight" shapes. Their inner ends are not connected, and their outer ends are not connected to the outer circumference of the rotor laminations. The outer end of the left fourth rectangular slot is not connected to the upper end of the first "human" shaped magnetic air gap, and the outer end of the right fourth rectangular slot is not connected to the outer end of the third magnetic air gap. Between the inner end of the left fourth rectangular slot and the upper end of the seventh rectangular slot, and to the right of the upper end of the first "human" shaped magnetic air gap... A fifth rectangular slot is provided, penetrating the thickness of the rotor lamination. The upper end of the fifth rectangular slot is not connected to the inner end of the fourth rectangular slot on the left side of the two fourth rectangular slots with an inverted "V" shape. The lower end of the fifth rectangular slot is not connected to the upper end of the seventh rectangular slot. A twenty-sixth rectangular slot, penetrating the thickness of the rotor lamination, is provided at the left end of the fifth rectangular slot. The right end of the twenty-sixth rectangular slot is connected to the left end of the fifth rectangular slot, and the length of the twenty-sixth rectangular slot is less than the width of the fifth rectangular slot. The left end of the twenty-sixth rectangular slot is connected to the upper end of the first "V"-shaped magnetic air gap. Between the inner end of the fourth rectangular slot on the right side of the two fourth rectangular slots with an inverted "V" shape, the upper end of the eighth rectangular slot, and the third... A sixth rectangular slot, penetrating the thickness of the rotor lamination, is provided on the left side of the magnetic isolation air gap. The upper end of the sixth rectangular slot is not connected to the inner end of the fourth rectangular slot to the right of the two fourth rectangular slots that form an inverted "V" shape. The lower end of the sixth rectangular slot is not connected to the upper end of the eighth rectangular slot. The left end of the sixth rectangular slot is not connected to the right end of the fifth rectangular slot. The lower end of the sixth rectangular slot and the lower end of the fifth rectangular slot are on the same straight line. A twenty-seventh rectangular slot, penetrating the thickness of the rotor lamination, is provided on the right end of the sixth rectangular slot. The left end of the twenty-seventh rectangular slot is connected to the right end of the sixth rectangular slot, and the length of the twenty-seventh rectangular slot is less than the width of the sixth rectangular slot. The right end of the twenty-seventh rectangular slot is connected to the third magnetic isolation air gap. Along a clockwise direction, near the outer circumference of the rotor lamination, to the left of the center line of the first S magnetic pole and to the right of the center line forming an angle of 11.25° with the center line of the first S magnetic pole, a fourteenth rectangular slot penetrating the thickness of the rotor lamination is provided. The center line of the fourteenth rectangular slot along its length is parallel to the center line to the left of the center line of the first S magnetic pole, forming an angle of 11.25° with the center line of the first S magnetic pole. At the outer end of the fourteenth rectangular slot, a second arc-shaped magnetic isolation gap penetrating the thickness of the rotor lamination is provided. The outer end of the second arc-shaped magnetic isolation gap is not connected to the outer circumference of the rotor lamination, while the inner end of the second arc-shaped magnetic isolation gap is connected to the outer end of the fourteenth rectangular slot, forming a circle whose diameter is larger than the width of the fourteenth rectangular slot. The outer end of the fourteenth rectangular slot is not connected to the outer end of the third magnetic isolation gap. An eighth magnetic isolation air gap, penetrating the thickness of the rotor lamination, is provided at the inner end of the fourteenth rectangular slot. The left end of the eighth magnetic isolation air gap is connected to the inner end of the fourteenth rectangular slot, and the width of the eighth magnetic isolation air gap is smaller than the width of the fourteenth rectangular slot. The right end of the eighth magnetic isolation air gap extends tangentially to the left side of the center line of the first S magnetic pole. The lower end of the eighth magnetic isolation air gap is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination, to the right of the center line of the first S magnetic pole and to the left of the center line with an angle of 11.25° with the center line of the first S magnetic pole, a ninth magnetic isolation air gap, penetrating the thickness of the rotor lamination, is provided. The center line of the ninth magnetic isolation air gap along its length is parallel to the center line to the right of the center line of the first S magnetic pole and with an angle of 11.25° with the center line of the first S magnetic pole. The outer end of the ninth magnetic isolation air gap is not connected to the outer circle of the rotor lamination. A fifteenth rectangular slot, penetrating the thickness of the rotor lamination along the tangential direction, is provided at the inner end of the ninth magnetic isolation air gap. The right end of the fifteenth rectangular slot is connected to the inner end of the ninth magnetic isolation air gap, and the width of the ninth magnetic isolation air gap is smaller than the width of the fifteenth rectangular slot. The left end of the fifteenth rectangular slot is to the right of the center line of the first S magnetic pole, but not connected to the right end of the eighth magnetic isolation air gap. The lower end of the fifteenth rectangular slot is not connected to the inner circle of the rotor lamination. The center line of the fifteenth rectangular slot along the tangential direction is on the same straight line as the center line of the tangential portion of the eighth magnetic isolation air gap. A fifth magnetic isolation air gap, penetrating the thickness of the rotor lamination, is provided near the outer circle of the rotor lamination and along the center line of the first S magnetic pole. The outer end of the fifth magnetic isolation air gap is not connected to the outer circle of the rotor lamination. A fifth magnetic isolation air gap, penetrating the thickness of the rotor lamination, is provided on the left side of the fifth magnetic isolation air gap and near the rotor lamination. A ninth rectangular slot, penetrating the thickness of the rotor lamination, is provided on the outer circumference of the lamination. The outer end of the ninth rectangular slot is not connected to the outer circumference of the rotor lamination or the outer end of the fifth magnetic isolation air gap. A twenty-eighth rectangular slot, penetrating the thickness of the rotor lamination, is provided at the inner end of the ninth rectangular slot. The upper end of the twenty-eighth rectangular slot is connected to the inner end of the ninth rectangular slot, and the length of the twenty-eighth rectangular slot is less than the width of the ninth rectangular slot. A fourth magnetic isolation air gap, penetrating the thickness of the rotor lamination and running tangentially, is provided at the lower end of the twenty-eighth rectangular slot. The upper end of the fourth magnetic isolation air gap is connected to the lower end of the twenty-eighth rectangular slot, and the length of the fourth magnetic isolation air gap is greater than the length of the twenty-eighth rectangular slot. The left end of the fourth magnetic isolation air gap is on the same straight line as the left end of the twenty-eighth rectangular slot. A twenty-ninth rectangular slot, penetrating the thickness of the rotor lamination, is provided at the right end of the fourth magnetic isolation air gap.The left end of the 29th rectangular slot is connected to the right end of the fourth magnetic isolation air gap. The lower end of the 29th rectangular slot is on the same straight line as the lower end of the fourth magnetic isolation air gap. A 10th rectangular slot, penetrating the thickness of the rotor lamination, is provided at the right end of the 29th rectangular slot. The left end of the 10th rectangular slot is connected to the right end of the 29th rectangular slot, and the length of the 29th rectangular slot is less than the width of the 10th rectangular slot. A 30th rectangular slot, penetrating the thickness of the rotor lamination, is provided at the right end of the 10th rectangular slot. The left end of the 30th rectangular slot is connected to the right end of the 10th rectangular slot, and the length of the 30th rectangular slot is less than the width of the 10th rectangular slot. The right end of the 30th rectangular slot is connected to the fifth magnetic isolation air gap. A 10th rectangular slot is provided on the right side of the fifth magnetic isolation air gap, near the outer circumference of the rotor lamination. An eleventh rectangular slot penetrates the thickness of the rotor lamination. The outer end of the eleventh rectangular slot is not connected to the outer end of the fifth magnetic isolation gap or the outer circle of the rotor lamination. A thirty-first rectangular slot penetrating the thickness of the rotor lamination is located inside the eleventh rectangular slot. The upper end of the thirty-first rectangular slot is connected to the inner end of the eleventh rectangular slot, and the length of the thirty-first rectangular slot is less than the width of the eleventh rectangular slot. The lower end of the thirty-first rectangular slot is to the right of the center line of the first S magnetic pole and is connected to the inner end of the fifth magnetic isolation gap. A sixth magnetic isolation gap penetrating the thickness of the rotor lamination is located near the outer circle of the rotor lamination and between the ninth and fourteenth rectangular slots. The outer end of the sixth magnetic isolation gap is connected to the outer circle of the rotor lamination. The outer ends of the ninth and fourteenth rectangular slots are not connected. A twelfth rectangular slot, penetrating the rotor lamination thickness tangentially, is provided inside the sixth magnetic air gap. The left end of the twelfth rectangular slot is connected to the inner end of the sixth magnetic air gap, and the width of the sixth magnetic air gap is smaller than the width of the twelfth rectangular slot. The upper end of the twelfth rectangular slot is not connected to the inner end of the fifth magnetic air gap. The right end of the twelfth rectangular slot is to the left of the center line of the first S magnetic pole. The lower end of the twelfth rectangular slot is not connected to the upper end of the eighth magnetic air gap. A thirteenth rectangular slot, penetrating the rotor lamination thickness, is provided near the outer circle of the rotor lamination and between the eleventh and ninth magnetic air gaps. The outer end of the thirteenth rectangular slot is connected to the outer circle of the rotor lamination and the eleventh rectangular slot. The outer ends of the rectangular slots and the ninth magnetic air gap are not connected. A seventh magnetic air gap, penetrating the thickness of the rotor lamination, is provided at the inner end of the thirteenth rectangular slot. The right end of the seventh magnetic air gap is connected to the inner end of the thirteenth rectangular slot, and the width of the seventh magnetic air gap is less than the width of the thirteenth rectangular slot. The upper end of the seventh magnetic air gap is not connected to the inner end of the fifth magnetic air gap. The left end of the seventh magnetic air gap extends tangentially to the right side of the center line of the first S magnetic pole. The left end of the seventh magnetic air gap is not connected to the right end of the twelfth rectangular slot. The lower end of the seventh magnetic air gap is not connected to the upper end of the fifteenth rectangular slot. The center line of the twelfth rectangular slot along the tangential direction and the center line of the tangential portion of the seventh magnetic air gap are on the same straight line. Along a clockwise direction, near the outer circumference of the rotor lamination, to the left of the center line of the second N magnetic pole and to the right of the center line forming an angle of 11.25° with the center line of the second N magnetic pole, a sixteenth rectangular slot penetrating the thickness of the rotor lamination is provided. The center line of the sixteenth rectangular slot in the length direction is parallel to the center line to the left of the center line of the second N magnetic pole, forming an angle of 11.25° with the center line of the second N magnetic pole. At the outer end of the sixteenth rectangular slot, a third arc-shaped magnetic isolation gap penetrating the thickness of the rotor lamination is provided. The outer end of the third arc-shaped magnetic isolation gap is not connected to the outer circumference of the rotor lamination, and the inner end of the third arc-shaped magnetic isolation gap is connected to the outer end of the sixteenth rectangular slot, forming a third arc-shaped magnetic isolation gap. The diameter of the magnetic gap circle is larger than the width of the sixteenth rectangular slot. The outer end of the sixteenth rectangular slot is not connected to the outer end of the ninth magnetic gap. A tenth magnetic gap penetrating the thickness of the rotor lamination is provided at the inner end of the sixteenth rectangular slot. The upper end of the tenth magnetic gap is connected to the inner end of the sixteenth rectangular slot, and the width of the tenth magnetic gap is smaller than the width of the sixteenth rectangular slot. The lower end of the tenth magnetic gap is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination and on the center line of the second N magnetic pole, a second "V"-shaped magnetic gap penetrating the thickness of the rotor lamination is provided. The upper end of the second "V"-shaped magnetic gap is not connected to the outer circle of the rotor lamination. At the lower left end of the second "V"-shaped magnetic gap... A seventeenth rectangular slot is provided, penetrating the thickness of the rotor lamination. The right end of the seventeenth rectangular slot is connected to the lower left end of the second "V"-shaped magnetic isolation air gap, and the width of the lower left end of the second "V"-shaped magnetic isolation air gap is less than the width of the seventeenth rectangular slot. The lower left end of the seventeenth rectangular slot is not connected to the inner circle of the rotor lamination. The left end of the seventeenth rectangular slot is not connected to the right end of the tenth magnetic isolation air gap. The lower left end of the seventeenth rectangular slot and the lower right end of the tenth magnetic isolation air gap are on the same straight line. A nineteenth rectangular slot is provided at the lower right end of the second "V"-shaped magnetic isolation air gap, penetrating the thickness of the rotor lamination. The left end of the nineteenth rectangular slot is connected to the lower right end of the second "V"-shaped magnetic isolation air gap, and the width of the lower left end of the second "V"-shaped magnetic isolation air gap is less than the width of the seventeenth rectangular slot. The width of the lower right end of the gap is less than the width of the nineteenth rectangular slot. The lower right end of the nineteenth rectangular slot is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination, between the sixteenth rectangular slot and the upper end of the second "V"-shaped magnetic air gap, a semi-circular slot penetrating the thickness of the rotor lamination is provided. The inner arc surface of the semi-circular slot faces the outer circle of the rotor lamination. The left and right ends of the semi-circular slot are not connected to the outer circle of the rotor lamination. The left end of the semi-circular slot is not connected to the outer end of the sixteenth rectangular slot. The right end of the semi-circular slot is not connected to the upper end of the second "V"-shaped magnetic air gap. Near the outer circle of the rotor lamination, to the right of the center line of the second N magnetic pole, and at an angle of 11° with the center line of the second N magnetic pole.To the left of the 25° centerline is a twentieth rectangular slot that penetrates the thickness of the rotor lamination. At the outer end of the twentieth rectangular slot is a fourth arc-shaped magnetic air gap that also penetrates the thickness of the rotor lamination. The outer end of the fourth arc-shaped magnetic air gap is not connected to the outer circle of the rotor lamination. The inner end of the fourth arc-shaped magnetic air gap is connected to the outer end of the twentieth rectangular slot, and the diameter of the circle forming the fourth arc-shaped magnetic air gap is larger than the width of the twentieth rectangular slot. At the inner end of the twentieth rectangular slot is a twelfth magnetic air gap that penetrates the thickness of the rotor lamination. The upper end of the twelfth magnetic air gap is connected to the inner end of the twentieth rectangular slot, and the width of the twelfth magnetic air gap is smaller than the width of the twentieth rectangular slot. The lowest end of the twelfth magnetic air gap is not connected to the inner circle of the rotor lamination. The lower left end of the twelfth magnetic air gap is not connected to the lower right end of the nineteenth rectangular slot. The twelfth magnetic gap is aligned with the lower right end of the nineteenth rectangular slot. Near the outer circumference of the rotor lamination, to the right of the second "V"-shaped magnetic gap and to the left of the twentieth rectangular slot, is an eighteenth rectangular slot that penetrates the thickness of the rotor lamination. The outer end of the eighteenth rectangular slot is not connected to the outer circumference of the rotor lamination, the outer end of the twentieth rectangular slot, or the upper end of the second "V"-shaped magnetic gap. Inside the eighteenth rectangular slot is a thirty-second rectangular slot that penetrates the thickness of the rotor lamination. The upper end of the thirty-second rectangular slot is connected to the inner end of the eighteenth rectangular slot, and the length of the thirty-second rectangular slot is less than the width of the eighteenth rectangular slot. The lower end of the thirty-second rectangular slot is to the right of the center line of the second N magnetic pole, and the lower end of the thirty-second rectangular slot is connected to the upper end of the second "V"-shaped magnetic gap. Along a clockwise direction, near the outer circle of the rotor lamination, to the left of the center line of the second S magnetic pole and to the right of the center line forming an angle of 11.25° with the center line of the second S magnetic pole, a twenty-second rectangular slot penetrating the thickness of the rotor lamination is provided. At the outer end of the twenty-second rectangular slot, a fifth arc-shaped magnetic isolation gap penetrating the thickness of the rotor lamination is provided. The outer end of the fifth arc-shaped magnetic isolation gap is not connected to the outer circle of the rotor lamination. The inner end of the fifth arc-shaped magnetic isolation gap is connected to the outer end of the twenty-second rectangular slot, and the diameter of the circle forming the fifth arc-shaped magnetic isolation gap is larger than the width of the twenty-second rectangular slot. The outer end of the twenty-second rectangular slot is not connected to the outer end of the twentieth rectangular slot. At the inner end of the twenty-second rectangular slot, a thirteenth magnetic isolation gap penetrating the thickness of the rotor lamination is provided. The upper end of the thirteenth magnetic isolation gap is connected to the inner end of the twenty-second rectangular slot, and the width of the thirteenth magnetic isolation gap is smaller than the width of the twenty-second rectangular slot. The lower end of the thirteenth magnetic isolation gap extends to the center line of the second S magnetic pole and is located at the center of the second S magnetic pole. On the left side of the line, the lowest end of the thirteenth magnetic gap is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination and between the twenty-second rectangular slot and the center line of the second S magnetic pole, there is a twenty-first rectangular slot with a tangential structure that penetrates the thickness of the rotor lamination. The right end of the twenty-first rectangular slot is to the left of the center line of the second S magnetic pole. The upper end of the twenty-first rectangular slot is connected to the outer circle of the rotor lamination. The length of the twenty-first rectangular slot is greater than the length of the twenty-first rectangular permanent magnet. The left end of the twenty-first rectangular slot is not connected to the outer end of the twenty-second rectangular slot. In the middle of the lower end of the twenty-first rectangular slot, there is a circular hole for installing iron rivets that penetrates the thickness of the rotor lamination. The upper end of the circular hole for installing iron rivets is not connected to the lower end of the twenty-first rectangular slot. The diameter of the circular hole for installing iron rivets is greater than the diameter of the screw. The lower end of the circular hole for installing iron rivets is not connected to the thirteenth magnetic gap. Near the outer circle of the rotor lamination and to the right of the center line of the second S magnetic pole, at an angle of 11° with the center line of the second S magnetic pole.To the left of the 25° centerline is a twenty-third rectangular slot that penetrates the thickness of the rotor lamination. At the outer end of the twenty-third rectangular slot is a sixth arc-shaped magnetic air gap that also penetrates the thickness of the rotor lamination. The outer end of the sixth arc-shaped magnetic air gap is not connected to the outer circle of the rotor lamination. The inner end of the sixth arc-shaped magnetic air gap is connected to the outer end of the twenty-third rectangular slot, and the diameter of the circle forming the sixth arc-shaped magnetic air gap is larger than the width of the twenty-third rectangular slot. The outer end of the twenty-third rectangular slot is not connected to the outer end of the first rectangular slot. To the right of the centerline of the second S magnetic pole is a twenty-fourth rectangular slot that penetrates the thickness of the rotor lamination tangentially. The left end of the twenty-fourth rectangular slot is not connected to the right end of the thirteenth magnetic air gap. The lower end of the twenty-fourth rectangular slot is not connected to the inner circle of the rotor lamination. The end of the 13th magnetic gap is on the same straight line as the lowest end of the 24th rectangular slot. A 14th magnetic gap, penetrating the thickness of the rotor lamination, is provided between the right end of the 24th rectangular slot and the inner end of the 23rd rectangular slot. The right end of the 14th magnetic gap is connected to the inner end of the 23rd rectangular slot, and the left end of the 14th magnetic gap is connected to the right end of the 24th rectangular slot. The width of the 14th magnetic gap is smaller than the width of both the 23rd and 24th rectangular slots. A 15th magnetic gap, penetrating the thickness of the rotor lamination, is provided near the outer circle of the rotor lamination and between the center line of the second S magnetic pole and the 23rd rectangular slot. The outer end of the 15th magnetic gap is not connected to the outer circle of the rotor lamination or the outer end of the 23rd rectangular slot, while the inner end of the 15th magnetic gap is connected to the 14th magnetic gap. The rotor laminations are stacked and welded with the burrs facing in one direction to form the rotor core. A first rectangular permanent magnet is installed in the first rectangular slot on the rotor core with its right end face facing north (N). A second rectangular permanent magnet is installed in the second rectangular slot on the rotor core with its right end face facing north (N). A third rectangular permanent magnet is installed in the third rectangular slot on the rotor core with its top end face facing north (N). Two identical fourth rectangular permanent magnets are installed in two inverted "V" shaped slots on the rotor core with opposite sides facing north (N). A fifth rectangular permanent magnet is then installed in... The first rectangular permanent magnet is installed in the fifth rectangular slot on the rotor core with its upper end face polarity being N (north) and the second rectangular permanent magnet is installed in the sixth rectangular slot on the rotor core with its upper end face polarity being N. The third rectangular permanent magnet is installed in the seventh rectangular slot on the rotor core with its upper end face polarity being N and the fourth rectangular permanent magnet is installed in the eighth rectangular slot on the rotor core with its upper end face polarity being N, forming the first N pole of the permanent magnet rotor. The fourth rectangular permanent magnet is installed in the ninth rectangular slot on the rotor core with its right end face polarity being S (south) and the fifth rectangular permanent magnet is installed in the sixth rectangular slot on the rotor core with its upper end face polarity being S. In the tenth rectangular slot on the rotor core, the eleventh rectangular permanent magnet is installed with its left end face as the S pole. The twelfth rectangular permanent magnet is installed with its top end face as the S pole. The thirteenth rectangular permanent magnet is installed with its left end face as the S pole. The fourteenth rectangular permanent magnet is installed with its right end face as the S pole. The fifteenth rectangular permanent magnet is installed with its top end face as the S pole. Within the slots, the first S-pole of the permanent magnet rotor is formed. The sixteenth rectangular permanent magnet is installed in the sixteenth rectangular slot on the rotor core with its right end face as the N-pole. The seventeenth rectangular permanent magnet is installed in the seventeenth rectangular slot on the rotor core with its upper end face as the N-pole. A semi-circular permanent magnet is installed in the semi-circular slot on the rotor core with its inner arc surface as the N-pole. The eighteenth rectangular permanent magnet is installed in the eighteenth rectangular slot on the rotor core with its left end face as the N-pole. The nineteenth rectangular permanent magnet is installed in the nineteenth rectangular slot on the rotor core with its upper end face as the N-pole.The twentieth rectangular permanent magnet is installed in the twentieth rectangular slot on the rotor core with its left end face as the N pole, forming the second N pole of the permanent magnet rotor. The twentieth rectangular permanent magnet, with its upper end face as the S pole, is installed in the twentieth rectangular slot using pole shoes and screws, and then fixed to iron rivets. The twentieth rectangular permanent magnet is installed in the twentieth rectangular slot on the rotor core with its right end face as the S pole. The twentieth rectangular permanent magnet is installed in the twentieth rectangular slot on the rotor core with its left end face as the S pole. The twentieth rectangular permanent magnet is installed in the twentieth rectangular slot on the rotor core with its upper end face as the S pole, forming the second S pole of the permanent magnet rotor. This process is repeated until the rotor core is press-fitted onto the shaft, forming an asymmetrical, concentrated magnetic permanent magnet rotor with alternating N and S poles.

[0004] Compared with the prior art, the generator rotor of this invention is an asymmetric magnetic pole permanent magnet rotor. The permanent magnets in each pole are asymmetrical, and the permanent magnets between adjacent poles are also asymmetrical. The cogging torque is small, the torque pulsation is low, and the vibration and noise are reduced. Each pole is composed of multiple layers of permanent magnets and magnetically insulating air gaps, resulting in a significant magnetic focusing effect, high magnetic field strength, high power density, low air gap harmonic magnetic flux density, low stator core eddy current loss, and high generator output efficiency. Attached Figure Description

[0005] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention; Figure 2 yes Figure 1 A cross-sectional view of the permanent magnet rotor of the embodiment shown.

[0006] In the diagram: 1. Electronic voltage regulator; 2. Shaft; 3. Rear end cover; 4. Rotor core; 5. First rectangular permanent magnet; 6. Second rectangular permanent magnet; 7. Twelfth rectangular permanent magnet; 8. Seventh rectangular permanent magnet; 9. Front end cover; 10. Twenty-fourth rectangular permanent magnet; 11. Eighteenth rectangular permanent magnet; 12. Semi-circular permanent magnet; 13. Third rectangular permanent magnet; 14. Fourth rectangular permanent magnet; 15. Fifth rectangular permanent magnet; 16. Sixth rectangular permanent magnet; 17. Eighth rectangular permanent magnet; 18. Ninth rectangular permanent magnet; 19. Tenth rectangular permanent magnet; 20. Eleventh rectangular permanent magnet; 21. Thirteenth rectangular permanent magnet; 22. Fourteenth rectangular permanent magnet; 23. Fifteenth rectangular permanent magnet; 24. Sixteenth rectangular permanent magnet; 25. Seventeenth rectangular permanent magnet; 26. ... 27. Rectangular permanent magnet steel of the 19th year; 28. Rectangular permanent magnet steel of the 20th year; 29. ​​Rectangular permanent magnet steel of the 21st year; 30. Rectangular permanent magnet steel of the 22nd year; 31. Rectangular permanent magnet steel of the 23rd year; 32. Pole shoe; 33. Iron rivet; 34. Screw; 35. First magnetic isolation air gap; 36. Second magnetic isolation air gap; 37. First "V" shaped magnetic isolation air gap; 38. Third magnetic isolation air gap; 39. Eighth magnetic isolation air gap; 40. Ninth magnetic isolation air gap; 41. Sixth magnetic isolation air gap; 42. Seventh magnetic isolation air gap; 43. Fourth magnetic isolation air gap; 44. Fifth magnetic isolation air gap; 45. Tenth magnetic isolation air gap; 46. Second "V" shaped magnetic isolation air gap; 47. Eleventh magnetic isolation air gap; 48. Twelfth magnetic isolation air gap; 49. Thirteenth magnetic isolation air gap; 50. Fourteenth magnetic isolation air gap; 50. Fifteenth magnetic isolation air gap. Detailed Implementation

[0007] The present invention will be further described below with reference to the accompanying drawings: The asymmetric magnetic pole generator with low air gap harmonic magnetic flux density consists of an electronic voltage regulator 1, a front cover 9, a rear cover 3, a rotor, and a stator. Its characteristic is that the generator rotor is an asymmetric magnetic pole permanent magnet rotor. The asymmetric focusing magnetic pole permanent magnet rotor includes a shaft 2, a rotor core 4, a first rectangular permanent magnet 5, a second rectangular permanent magnet 6, a third rectangular permanent magnet 13, a fourth rectangular permanent magnet 14, a fifth rectangular permanent magnet 15, a sixth rectangular permanent magnet 16, a seventh rectangular permanent magnet 8, an eighth rectangular permanent magnet 17, a ninth rectangular permanent magnet 18, a tenth rectangular permanent magnet 19, an eleventh rectangular permanent magnet 20, a twelfth rectangular permanent magnet 7, a thirteenth rectangular permanent magnet 21, a fourteenth rectangular permanent magnet 22, a fifteenth rectangular permanent magnet 23, a sixteenth rectangular permanent magnet 24, a seventeenth rectangular permanent magnet 25, an eighteenth rectangular permanent magnet 11, a nineteenth rectangular permanent magnet 26, a twentieth rectangular permanent magnet 27, a twenty-first rectangular permanent magnet 28, a twenty-second rectangular permanent magnet 29, a twenty-third rectangular permanent magnet 30, a twenty-fourth rectangular permanent magnet 10, a semi-circular permanent magnet 12, and screws. 33. Pole shoe 31. Iron rivet 32. First magnetic isolation air gap 34. Second magnetic isolation air gap 35. Third magnetic isolation air gap 37. Fourth magnetic isolation air gap 42. Fifth magnetic isolation air gap 43. Sixth magnetic isolation air gap 40. Seventh magnetic isolation air gap 41. Eighth magnetic isolation air gap 38. Ninth magnetic isolation air gap 39. Tenth magnetic isolation air gap 44. Eleventh magnetic isolation air gap 46. Twelfth magnetic isolation air gap 47. Thirteenth magnetic isolation air gap 48. Fourteenth magnetic isolation air gap 49. Fifteenth magnetic isolation air gap 50. First "V" shaped magnetic isolation air gap 36. Second "V" shaped magnetic isolation air gap 45. Near the outer circle of the rotor lamination, to the left of the center line of the first N magnetic pole and to the right of the center line with an angle of 11.25° with the center line of the first N magnetic pole, a first rectangular groove penetrating the thickness of the rotor lamination is provided. The center line of the first rectangular groove in the length direction is to the left of the center line of the first N magnetic pole and at an angle of 11° with the center line of the first N magnetic pole.Parallel to the center line of 25°, a first circular arc magnetic isolation air gap penetrating the thickness of the rotor punching is provided at the outer end of the first rectangular groove. The outer end of the first circular arc magnetic isolation air gap is not connected to the outer circle of the rotor punching. The inner end of the first circular arc magnetic isolation air gap is connected to the outer end of the first rectangular groove and forms a diameter of the first circular arc magnetic isolation air gap circle larger than the width of the first rectangular groove. At the inner end of the first rectangular groove, a first magnetic isolation air gap 34 penetrating the thickness of the rotor punching is provided. The upper end of the first magnetic isolation air gap 34 is connected to the inner end of the first rectangular groove and the width of the first magnetic isolation air gap 34 is smaller than the width of the first rectangular groove. The lower end of the first magnetic isolation air gap 34 is not connected to the inner circle of the rotor punching. At the center line of the first N magnetic pole and near the outer circle of the rotor punching, a first "human" shaped magnetic isolation air gap 36 penetrating the thickness of the rotor punching is provided. The upper end of the first "human" shaped magnetic isolation air gap 36 is not connected to the outer circle of the rotor punching. At the left lower end of the first "human" shaped magnetic isolation air gap 36, a third rectangular groove penetrating the thickness of the rotor punching is provided. The right end of the third rectangular groove is connected to the left lower end of the first "human" shaped magnetic isolation air gap 36 and the width of the left lower end of the first "human" shaped magnetic isolation air gap 36 is smaller than the width of the third rectangular groove. The left lower end of the third rectangular groove is not connected to the inner circle of the rotor punching. The left end of the third rectangular groove is not connected to the lower end of the first magnetic isolation air gap 34. The lowermost end of the left end of the third rectangular groove and the lowermost end of the first magnetic isolation air gap 34 are on the same straight line. At the right lower end of the first "human" shaped magnetic isolation air gap 36, a seventh rectangular groove penetrating the thickness of the rotor punching is provided. The left end of the seventh rectangular groove is connected to the right lower end of the first "human" shaped magnetic isolation air gap 36 and the width of the right lower end of the first "human" shaped magnetic isolation air gap 36 is smaller than the width of the seventh rectangular groove. The lowermost end of the right end of the seventh rectangular groove is not connected to the inner circle of the rotor punching. At a position near the outer circle of the rotor punching and between the first "human" shaped magnetic isolation air gap 36 and the first rectangular groove, a second rectangular groove penetrating the thickness of the rotor punching is provided. The outer end of the second rectangular groove is not connected to the outer circle of the rotor punching, the upper end of the first "human" shaped magnetic isolation air gap 36, and the outer end of the first rectangular groove. At the inner end of the second rectangular groove, a twenty-fifth rectangular groove penetrating the thickness of the rotor punching is provided. The upper end of the twenty-fifth rectangular groove is connected to the inner end of the second rectangular groove and the length of the twenty-fifth rectangular groove is smaller than the width of the second rectangular groove. At the lower end of the twenty-fifth rectangular groove, a second magnetic isolation air gap 35 in the tangential direction penetrating the thickness of the rotor punching is provided. The upper end of the second magnetic isolation air gap 35 is connected to the lower end of the twenty-fifth rectangular groove. The left end of the twenty-fifth rectangular groove and the left end of the second magnetic isolation air gap 35 are on the same straight line. The length of the second magnetic isolation air gap 35 is larger than the length of the twenty-fifth rectangular groove. The right end of the second magnetic isolation air gap 35 is connected to the upper end of the first "human" shaped magnetic isolation air gap. At a position near the outer circle of the rotor punching and on the right side of the center line of the first N magnetic pole and on the left side of the center line with an angle of 11.25° with the center line of the first N magnetic pole, a third magnetic isolation air gap 37 penetrating the thickness of the rotor punching is provided. The center line in the length direction of the third magnetic isolation air gap 37 is on the right side of the center line of the first N magnetic pole and with an angle of 11.The center lines are parallel at 25°. The outer end of the third magnetic isolation air gap 37 is not connected to the outer circle of the rotor lamination. An eighth rectangular slot penetrating the thickness of the rotor lamination is provided at the inner end of the third magnetic isolation air gap 37. The right end of the eighth rectangular slot is connected to the inner end of the third magnetic isolation air gap 37, and the width of the third magnetic isolation air gap 37 is smaller than the width of the eighth rectangular slot. The lowest point of the left end of the eighth rectangular slot is not connected to the inner circle of the rotor lamination. The left end of the eighth rectangular slot is not connected to the right end of the seventh rectangular slot. The lowest point of the left end of the eighth rectangular slot and the lowest point of the right end of the seventh rectangular slot are on the same straight line. Near the outer circle of the rotor lamination and between the first "V"-shaped magnetic isolation air gap 36 and the third magnetic isolation air gap 37, there is a penetrating rotor lamination... The two fourth rectangular slots, with a thickness of 1 / 2" in the shape of an inverted "V", are not connected at their inner ends. Their outer ends are not connected to the outer circumference of the rotor lamination. The outer end of the left fourth rectangular slot is not connected to the upper end of the first "V"-shaped magnetic air gap 36. The outer end of the right fourth rectangular slot is not connected to the outer end of the third magnetic air gap 37. Between the inner end of the left fourth rectangular slot and the upper end of the seventh rectangular slot, and within the first "V"-shaped magnetic air gap 37... A fifth rectangular slot penetrating the thickness of the rotor lamination is provided on the right side of the upper end of the 6. The upper end of the fifth rectangular slot is not connected to the inner end of the fourth rectangular slot on the left side of the two fourth rectangular slots with an inverted "V" shape. The lower end of the fifth rectangular slot is not connected to the upper end of the seventh rectangular slot. A twenty-sixth rectangular slot penetrating the thickness of the rotor lamination is provided on the left side of the fifth rectangular slot. The right end of the twenty-sixth rectangular slot is connected to the left end of the fifth rectangular slot, and the length of the twenty-sixth rectangular slot is less than the width of the fifth rectangular slot. The left end of the twenty-sixth rectangular slot is connected to the upper end of the first "V"-shaped magnetic air gap 36. Between the inner end of the fourth rectangular slot on the right side of the two fourth rectangular slots with an inverted "V" shape and the upper end of the eighth rectangular slot, and in... A sixth rectangular slot penetrating the thickness of the rotor lamination is provided on the left side of the third magnetic isolation air gap 36. The upper end of the sixth rectangular slot is not connected to the inner end of the fourth rectangular slot to the right of the two fourth rectangular slots that form an inverted "V" shape. The lower end of the sixth rectangular slot is not connected to the upper end of the eighth rectangular slot. The left end of the sixth rectangular slot is not connected to the right end of the fifth rectangular slot. The lower end of the sixth rectangular slot is on the same straight line as the lower end of the fifth rectangular slot. A twenty-seventh rectangular slot penetrating the thickness of the rotor lamination is provided on the right end of the sixth rectangular slot. The left end of the twenty-seventh rectangular slot is connected to the right end of the sixth rectangular slot, and the length of the twenty-seventh rectangular slot is less than the width of the sixth rectangular slot. The right end of the twenty-seventh rectangular slot is connected to the third magnetic isolation air gap 37. Along a clockwise direction, near the outer circumference of the rotor lamination, to the left of the center line of the first S magnetic pole and to the right of the center line forming an angle of 11.25° with the center line of the first S magnetic pole, a fourteenth rectangular slot penetrating the thickness of the rotor lamination is provided. The center line of the fourteenth rectangular slot along its length is parallel to the center line to the left of the center line of the first S magnetic pole, forming an angle of 11.25° with the center line of the first S magnetic pole. At the outer end of the fourteenth rectangular slot, a second arc-shaped magnetic air gap penetrating the thickness of the rotor lamination is provided. The outer end of the second arc-shaped magnetic air gap is not connected to the outer circumference of the rotor lamination, but the inner end of the second arc-shaped magnetic air gap is connected to the outer end of the fourteenth rectangular slot, forming a circle whose diameter is larger than the width of the fourteenth rectangular slot. The outer end of the fourteenth rectangular slot is connected to the outer end of the third magnetic air gap 37. The rotor lamination is not connected at the ends. An eighth magnetic air gap 38, penetrating the thickness of the rotor lamination, is provided at the inner end of the fourteenth rectangular slot. The left end of the eighth magnetic air gap 38 is connected to the inner end of the fourteenth rectangular slot, and the width of the eighth magnetic air gap 38 is smaller than the width of the fourteenth rectangular slot. The right end of the eighth magnetic air gap 38 extends tangentially to the left side of the center line of the first S magnetic pole. The lower end of the eighth magnetic air gap 38 is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination, to the right of the center line of the first S magnetic pole and to the left of the center line at an angle of 11.25° to the center line of the first S magnetic pole, a ninth magnetic air gap 39, penetrating the thickness of the rotor lamination, is provided. The center line of the ninth magnetic air gap 39, along its length, intersects the center line of the first S magnetic pole to the right of the center line of the first S magnetic pole and at an angle of 11.25° to the center line of the first S magnetic pole. The center lines are parallel. The outer end of the ninth magnetic gap 39 is not connected to the outer circle of the rotor lamination. A fifteenth rectangular slot, penetrating the thickness of the rotor lamination along the tangential direction, is provided at the inner end of the ninth magnetic gap 39. The right end of the fifteenth rectangular slot is connected to the inner end of the ninth magnetic gap 39, and the width of the ninth magnetic gap 39 is smaller than the width of the fifteenth rectangular slot. The left end of the fifteenth rectangular slot is to the right of the center line of the first S magnetic pole. The left end of the fifteenth rectangular slot is not connected to the right end of the eighth magnetic gap 38. The lower end of the fifteenth rectangular slot is not connected to the inner circle of the rotor lamination. The center line of the fifteenth rectangular slot along the tangential direction is on the same straight line as the center line of the tangential portion of the eighth magnetic gap 38. A fifth gap, penetrating the thickness of the rotor lamination, is provided near the outer circle of the rotor lamination and along the center line of the first S magnetic pole. The fifth magnetic gap 43 is not connected to the outer circle of the rotor lamination at its outer end. A ninth rectangular slot, penetrating the thickness of the rotor lamination, is located to the left of the fifth magnetic gap 43 and near the outer circle of the rotor lamination. The outer end of the ninth rectangular slot is not connected to either the outer circle of the rotor lamination or the outer end of the fifth magnetic gap 43. A twenty-eighth rectangular slot, penetrating the thickness of the rotor lamination, is located at the inner end of the ninth rectangular slot. The upper end of the twenty-eighth rectangular slot is connected to the inner end of the ninth rectangular slot, and the length of the twenty-eighth rectangular slot is less than the width of the ninth rectangular slot. A fourth magnetic gap 42, penetrating the thickness of the rotor lamination and tangentially, is located at the lower end of the twenty-eighth rectangular slot. The upper end of the fourth magnetic gap 42 is connected to the lower end of the twenty-eighth rectangular slot, and the length of the fourth magnetic gap 42 is greater than the length of the twenty-eighth rectangular slot.The left end of the fourth magnetic isolation air gap 42 is on the same straight line as the left end of the twenty-eighth rectangular slot. At the right end of the fourth magnetic isolation air gap 42, a twenty-ninth rectangular slot penetrating the thickness of the rotor lamination is provided. The left end of the twenty-ninth rectangular slot is connected to the right end of the fourth magnetic isolation air gap 42, and the lower end of the twenty-ninth rectangular slot is on the same straight line as the lower end of the fourth magnetic isolation air gap 42. At the right end of the twenty-ninth rectangular slot, a tenth rectangular slot penetrating the thickness of the rotor lamination is provided. The left end of the tenth rectangular slot is connected to the right end of the twenty-ninth rectangular slot, and the length of the twenty-ninth rectangular slot is less than the width of the tenth rectangular slot. At the right end of the tenth rectangular slot, a thirtieth rectangular slot penetrating the thickness of the rotor lamination is provided. The left end of the thirtieth rectangular slot is connected to the right end of the tenth rectangular slot, and the length of the thirtieth rectangular slot is less than the width of the tenth rectangular slot. The right end of the rectangular slot is connected to the fifth magnetic isolation air gap 43. An eleventh rectangular slot, penetrating the thickness of the rotor lamination, is located to the right of the fifth magnetic isolation air gap 43 and near the outer circle of the rotor lamination. The outer end of the eleventh rectangular slot is not connected to the outer end of the fifth magnetic isolation air gap 43 or the outer circle of the rotor lamination. A thirty-first rectangular slot, penetrating the thickness of the rotor lamination, is located at the inner end of the eleventh rectangular slot. The upper end of the thirty-first rectangular slot is connected to the inner end of the eleventh rectangular slot, and the length of the thirty-first rectangular slot is less than the width of the eleventh rectangular slot. The lower end of the thirty-first rectangular slot is to the right of the center line of the first S magnetic pole and is connected to the inner end of the fifth magnetic isolation air gap 43. A sixth magnetic isolation air gap 4, penetrating the thickness of the rotor lamination, is located near the outer circle of the rotor lamination and between the ninth and fourteenth rectangular slots. 0. The outer end of the sixth magnetic isolation air gap 40 is not connected to the outer circle of the rotor lamination, the outer end of the ninth rectangular slot, or the outer end of the fourteenth rectangular slot. A twelfth rectangular slot, penetrating the thickness of the rotor lamination tangentially, is provided inside the sixth magnetic isolation air gap 40. The left end of the twelfth rectangular slot is connected to the inner end of the sixth magnetic isolation air gap 40, and the width of the sixth magnetic isolation air gap 40 is smaller than the width of the twelfth rectangular slot. The upper end of the twelfth rectangular slot is not connected to the inner end of the fifth magnetic isolation air gap 43. The right end of the twelfth rectangular slot is to the left of the center line of the first S magnetic pole. The lower end of the twelfth rectangular slot is not connected to the upper end of the eighth magnetic isolation air gap 38. A thirteenth rectangular slot, penetrating the thickness of the rotor lamination, is provided near the outer circle of the rotor lamination and between the eleventh rectangular slot and the ninth magnetic isolation air gap 39. The outer end of the thirteenth rectangular slot is connected to the outer circle of the rotor lamination. The outer circle of the lamination, the outer end of the eleventh rectangular slot, and the outer end of the ninth magnetic air gap 39 are not connected. A seventh magnetic air gap 41, penetrating the thickness of the rotor lamination, is provided at the inner end of the thirteenth rectangular slot. The right end of the seventh magnetic air gap 41 is connected to the inner end of the thirteenth rectangular slot, and the width of the seventh magnetic air gap 41 is less than the width of the thirteenth rectangular slot. The upper end of the seventh magnetic air gap 41 is not connected to the inner end of the fifth magnetic air gap 43. The left end of the seventh magnetic air gap 41 extends tangentially to the right side of the center line of the first S magnetic pole. The left end of the seventh magnetic air gap 41 is not connected to the right end of the twelfth rectangular slot. The lower end of the seventh magnetic air gap 41 is not connected to the upper end of the fifteenth rectangular slot. The center line of the twelfth rectangular slot along the tangential direction and the center line of the tangential portion of the seventh magnetic air gap 41 are on the same straight line. Along a clockwise direction, near the outer circumference of the rotor lamination, to the left of the center line of the second N magnetic pole and to the right of the center line forming an angle of 11.25° with the center line of the second N magnetic pole, a sixteenth rectangular slot penetrating the thickness of the rotor lamination is provided. The center line of the sixteenth rectangular slot in the length direction is parallel to the center line to the left of the center line of the second N magnetic pole, forming an angle of 11.25° with the center line of the second N magnetic pole. At the outer end of the sixteenth rectangular slot, a third arc-shaped magnetic isolation gap penetrating the thickness of the rotor lamination is provided. The outer end of the third arc-shaped magnetic isolation gap is not connected to the outer circumference of the rotor lamination, while the inner end of the third arc-shaped magnetic isolation gap is connected to the outer end of the sixteenth rectangular slot, forming a circle with a larger diameter than the outer circumference of the third arc-shaped magnetic isolation gap. The sixteenth rectangular slot has a width such that its outer end is not connected to the outer end of the ninth magnetic isolation gap 39. A tenth magnetic isolation gap 44, penetrating the thickness of the rotor lamination, is provided at the inner end of the sixteenth rectangular slot. The upper end of the tenth magnetic isolation gap 44 is connected to the inner end of the sixteenth rectangular slot, and the width of the tenth magnetic isolation gap 44 is smaller than the width of the sixteenth rectangular slot. The lower end of the tenth magnetic isolation gap 44 is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination and on the center line of the second N magnetic pole, a second "V"-shaped magnetic isolation gap 45, penetrating the thickness of the rotor lamination, is provided. The upper end of the second "V"-shaped magnetic isolation gap 45 is not connected to the outer circle of the rotor lamination. A... A seventeenth rectangular slot penetrates the thickness of the rotor lamination. The right end of the seventeenth rectangular slot is connected to the lower left end of the second "V"-shaped magnetic isolation air gap 45, and the width of the lower left end of the second "V"-shaped magnetic isolation air gap 45 is smaller than the width of the seventeenth rectangular slot. The lower left end of the seventeenth rectangular slot is not connected to the inner circle of the rotor lamination. The left end of the seventeenth rectangular slot is not connected to the right end of the tenth magnetic isolation air gap 44. The lower left end of the seventeenth rectangular slot and the lower right end of the tenth magnetic isolation air gap 44 are on the same straight line. A nineteenth rectangular slot penetrating the thickness of the rotor lamination is provided at the lower right end of the second "V"-shaped magnetic isolation air gap 45. The left end of the nineteenth rectangular slot is connected to the lower right end of the second "V"-shaped magnetic isolation air gap 45, and the width of the lower left end of the second "V"-shaped magnetic isolation air gap 45 is smaller than the width of the seventeenth rectangular slot. The width of the lower right end of the magnetic air gap 45 is smaller than the width of the nineteenth rectangular slot. The lower right end of the nineteenth rectangular slot is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination, between the sixteenth rectangular slot and the upper end of the second "V"-shaped magnetic air gap 45, a semi-circular slot penetrating the thickness of the rotor lamination is provided. The inner arc surface of the semi-circular slot faces the outer circle of the rotor lamination. The left and right ends of the semi-circular slot are not connected to the outer circle of the rotor lamination. The left end of the semi-circular slot is not connected to the outer end of the sixteenth rectangular slot. The right end of the semi-circular slot is not connected to the upper end of the second "V"-shaped magnetic air gap 45. Near the outer circle of the rotor lamination, to the right of the center line of the second N magnetic pole, and at an angle of 11° with the center line of the second N magnetic pole.A twentieth rectangular slot, penetrating the thickness of the rotor lamination, is located to the left of the 25° centerline. A fourth arc-shaped magnetic air gap, also penetrating the thickness of the rotor lamination, is located at the outer end of the twentieth rectangular slot. The outer end of the fourth arc-shaped magnetic air gap is not connected to the outer circle of the rotor lamination. The inner end of the fourth arc-shaped magnetic air gap is connected to the outer end of the twentieth rectangular slot, and the diameter of the circle forming the fourth arc-shaped magnetic air gap is larger than the width of the twentieth rectangular slot. A twelfth magnetic air gap 47, penetrating the thickness of the rotor lamination, is located at the inner end of the twentieth rectangular slot. The upper end of the twelfth magnetic air gap 47 is connected to the inner end of the twentieth rectangular slot, and the width of the twelfth magnetic air gap 47 is smaller than the width of the twentieth rectangular slot. The lowermost end of the twelfth magnetic air gap 47 is not connected to the inner circle of the rotor lamination. The lower left end of the twelfth magnetic air gap 47 is not connected to the lower right end of the nineteenth rectangular slot. The twelfth magnetic air gap 47 is connected to the lower right end of the nineteenth rectangular slot. Near the outer circle of the rotor lamination, to the right of the second "V"-shaped magnetic air gap 45 and to the left of the twentieth rectangular slot, is an eighteenth rectangular slot that penetrates the thickness of the rotor lamination. The outer end of the eighteenth rectangular slot is not connected to the outer circle of the rotor lamination, the outer end of the twentieth rectangular slot, or the upper end of the second "V"-shaped magnetic air gap 45. Inside the eighteenth rectangular slot is a thirty-second rectangular slot that penetrates the thickness of the rotor lamination. The upper end of the thirty-second rectangular slot is connected to the inner end of the eighteenth rectangular slot, and the length of the thirty-second rectangular slot is less than the width of the eighteenth rectangular slot. The lower end of the thirty-second rectangular slot is to the right of the center line of the second N magnetic pole, and the lower end of the thirty-second rectangular slot is connected to the upper end of the second "V"-shaped magnetic air gap 45. Along a clockwise direction, near the outer circle of the rotor lamination, to the left of the center line of the second S magnetic pole and to the right of the center line at an angle of 11.25° to the center line of the second S magnetic pole, a twenty-second rectangular slot penetrating the thickness of the rotor lamination is provided. At the outer end of the twenty-second rectangular slot, a fifth arc-shaped magnetic isolation gap penetrating the thickness of the rotor lamination is provided. The outer end of the fifth arc-shaped magnetic isolation gap is not connected to the outer circle of the rotor lamination, while the inner end of the fifth arc-shaped magnetic isolation gap is connected to the outer end of the twenty-second rectangular slot, forming a circle with a diameter larger than the width of the twenty-second rectangular slot. The outer end of the twenty-second rectangular slot is not connected to the outer end of the twentieth rectangular slot. At the inner end of the twenty-second rectangular slot, a thirteenth magnetic isolation gap 48 penetrating the thickness of the rotor lamination is provided. The upper end of the thirteenth magnetic isolation gap 48 is connected to the inner end of the twenty-second rectangular slot, and the width of the thirteenth magnetic isolation gap 48 is smaller than the width of the twenty-second rectangular slot. The lower end of the thirteenth magnetic isolation gap 48 extends to the center line of the second S magnetic pole and is to the left of the center line of the second S magnetic pole. The lowest end of the thirteenth magnetic gap 48 is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination and between the twenty-second rectangular slot and the center line of the second S magnetic pole, there is a twenty-first rectangular slot with a tangential structure that penetrates the thickness of the rotor lamination. The right end of the twenty-first rectangular slot is to the left of the center line of the second S magnetic pole. The upper end of the twenty-first rectangular slot is connected to the outer circle of the rotor lamination. The length of the twenty-first rectangular slot is greater than the length of the twenty-first rectangular permanent magnet 28. The left end of the twenty-first rectangular slot is not connected to the outer end of the twenty-second rectangular slot. In the middle of the lower end of the twenty-first rectangular slot, there is a circular hole for installing iron rivets 32 that penetrates the thickness of the rotor lamination. The upper end of the circular hole for installing iron rivets 32 is not connected to the lower end of the twenty-first rectangular slot. The diameter of the circular hole for installing iron rivets 32 is greater than the diameter of the screw 33. The lower end of the circular hole for installing iron rivets 32 is not connected to the thirteenth magnetic gap 48. Near the outer circle of the rotor lamination and to the right of the center line of the second S magnetic pole, at an angle of 11° with the center line of the second S magnetic pole.To the left of the 25° centerline is a twenty-third rectangular slot that penetrates the thickness of the rotor lamination. At the outer end of the twenty-third rectangular slot is a sixth arc-shaped magnetic air gap that penetrates the thickness of the rotor lamination. The outer end of the sixth arc-shaped magnetic air gap is not connected to the outer circle of the rotor lamination. The inner end of the sixth arc-shaped magnetic air gap is connected to the outer end of the twenty-third rectangular slot, and the diameter of the circle forming the sixth arc-shaped magnetic air gap is larger than the width of the twenty-third rectangular slot. The outer end of the twenty-third rectangular slot is not connected to the outer end of the first rectangular slot. To the right of the centerline of the second S magnetic pole is a twenty-fourth rectangular slot that penetrates the thickness of the rotor lamination tangentially. The left end of the twenty-fourth rectangular slot is not connected to the right end of the thirteenth magnetic air gap 48. The lower end of the twenty-fourth rectangular slot is not connected to the inner circle of the rotor lamination. The lower end of the twenty-fourth rectangular slot is connected to the thirteenth magnetic air gap 48. The lowest ends of gaps 48 are on the same straight line. Between the right end of the 24th rectangular slot and the inner end of the 23rd rectangular slot, a 14th magnetic air gap 49 penetrating the thickness of the rotor lamination is provided. The right end of the 14th magnetic air gap 49 is connected to the inner end of the 23rd rectangular slot, and the left end of the 14th magnetic air gap 49 is connected to the right end of the 24th rectangular slot. The width of the 14th magnetic air gap 49 is smaller than the width of both the 23rd and 24th rectangular slots. Near the outer circle of the rotor lamination and between the center line of the second S magnetic pole and the 23rd rectangular slot, a 15th magnetic air gap 50 penetrating the thickness of the rotor lamination is provided. The outer end of the 15th magnetic air gap 50 is not connected to the outer circle of the rotor lamination or the outer end of the 23rd rectangular slot, while the inner end of the 15th magnetic air gap 50 is connected to the 14th magnetic air gap 49. The rotor laminations are stacked and welded with the burrs facing in one direction to form the rotor core 4. The first rectangular permanent magnet 5 is installed in the first rectangular slot on the rotor core 4 with its right end face having the N pole. The second rectangular permanent magnet 6 is installed in the second rectangular slot on the rotor core 4 with its right end face having the N pole. The third rectangular permanent magnet 13 is installed in the third rectangular slot on the rotor core 4 with its upper end face having the N pole. Two identical fourth rectangular permanent magnets 14 are installed on the rotor core 4 in an inverted "V" shape, with both opposite sides having the N pole. Inside the slots, the fifth rectangular permanent magnet 15 is installed in the fifth rectangular slot on the rotor core 4 with the upper end face of the fifth rectangular permanent magnet 15 having the N pole polarity. The sixth rectangular permanent magnet 16 is installed in the sixth rectangular slot on the rotor core 4 with the upper end face of the sixth rectangular permanent magnet 16 having the N pole polarity. The seventh rectangular permanent magnet 8 is installed in the seventh rectangular slot on the rotor core 4 with the upper end face of the seventh rectangular permanent magnet 8 having the N pole polarity. The eighth rectangular permanent magnet 20 is installed in the eighth rectangular slot on the rotor core 4 with the upper end face of the eighth rectangular permanent magnet 20 having the N pole polarity. This forms the first N pole of the permanent magnet rotor. The ninth rectangular permanent magnet 18 is installed with the right end face of the ninth rectangular permanent magnet 18 having the S pole polarity. The tenth rectangular permanent magnet 19 is installed in the ninth rectangular slot on the rotor core 4 with its upper end face facing S. The eleventh rectangular permanent magnet 20 is installed in the eleventh rectangular slot on the rotor core 4 with its left end face facing S. The twelfth rectangular permanent magnet 7 is installed in the twelfth rectangular slot on the rotor core 4 with its upper end face facing S. The thirteenth rectangular permanent magnet 21 is installed in the thirteenth rectangular slot on the rotor core 4 with its left end face facing S. The fourteenth rectangular permanent magnet 22 is installed in the thirteenth rectangular slot on the rotor core 4 with its right end face facing S. The first S pole of the permanent magnet rotor is formed by mounting the fifteenth rectangular permanent magnet 23 in the fourteenth rectangular slot on the rotor core 4 with the upper end face of the fifteenth rectangular permanent magnet 23 having the S pole polarity. The sixteenth rectangular permanent magnet 24 is mounted in the sixteenth rectangular slot on the rotor core 4 with the right end face of the sixteenth rectangular permanent magnet 24 having the N pole polarity. The seventeenth rectangular permanent magnet 25 is mounted in the seventeenth rectangular slot on the rotor core 4 with the upper end face of the seventeenth rectangular permanent magnet 25 having the N pole polarity. The semi-circular permanent magnet 12 is mounted in the semi-circular slot on the rotor core 4 with the inner arc surface of the semi-circular permanent magnet 12 having the N pole polarity.The eighteenth rectangular permanent magnet 11 is installed in the eighteenth rectangular slot on the rotor core 4 with its left end face having the N pole. The nineteenth rectangular permanent magnet 26 is installed in the nineteenth rectangular slot on the rotor core 4 with its upper end face having the N pole. The twentieth rectangular permanent magnet 27 is installed in the twentieth rectangular slot on the rotor core 4 with its left end face having the N pole, forming the second N pole of the permanent magnet rotor. The twentieth rectangular permanent magnet 28, with its upper end face having the S pole, is installed in the twentieth rectangular slot by screws 33 through pole shoes 31 and is fixed to iron rivets 3 by screws 33. On shaft 2, the twenty-second rectangular permanent magnet 29 is installed in the twenty-second rectangular slot on the rotor core 4 with its right end face having the S pole. The twenty-third rectangular permanent magnet 30 is installed in the twenty-third rectangular slot on the rotor core 4 with its left end face having the S pole. The twenty-fourth rectangular permanent magnet 10 is installed in the twenty-fourth rectangular slot on the rotor core 4 with its upper end face having the S pole, forming the second S pole of the permanent magnet rotor. This process is repeated until the rotor core 4 is press-fitted onto shaft 2, forming an asymmetrical, concentrated magnetic permanent magnet rotor with alternating N and S poles.

Claims

1. An asymmetric magnetic pole generator with low air gap harmonic magnetic flux density, comprising an electronic voltage regulator (1), a front end cover (9), a rear end cover (3), a rotor, and a stator, characterized in that: The generator rotor is an asymmetric, concentrated magnetic pole permanent magnet rotor; The asymmetric magnetic pole permanent magnet rotor includes a shaft (2), a rotor core (4), a first rectangular permanent magnet (5), a second rectangular permanent magnet (6), a third rectangular permanent magnet (13), a fourth rectangular permanent magnet (14), a fifth rectangular permanent magnet (15), a sixth rectangular permanent magnet (16), a seventh rectangular permanent magnet (8), an eighth rectangular permanent magnet (17), a ninth rectangular permanent magnet (18), a tenth rectangular permanent magnet (19), an eleventh rectangular permanent magnet (20), and a twelfth rectangular permanent magnet (7). ), Thirteenth rectangular permanent magnet (21), Fourteenth rectangular permanent magnet (22), Fifteenth rectangular permanent magnet (23), Sixteenth rectangular permanent magnet (24), Seventeenth rectangular permanent magnet (25), Eighteenth rectangular permanent magnet (11), Nineteenth rectangular permanent magnet (26), Twentieth rectangular permanent magnet (27), Twenty-first rectangular permanent magnet (28), Twenty-second rectangular permanent magnet (29), Twenty-third rectangular permanent magnet (30), Twenty-fourth rectangular permanent magnet (10), Semi-circular permanent magnet (12) Screw (33) Pole shoe (31) Iron rivet (32) First magnetic isolation air gap (34) Second magnetic isolation air gap (35) Third magnetic isolation air gap (37) Fourth magnetic isolation air gap (42) Fifth magnetic isolation air gap (43) Sixth magnetic isolation air gap (40) Seventh magnetic isolation air gap (41) Eighth magnetic isolation air gap (38) Ninth magnetic isolation air gap (39) Tenth magnetic isolation air gap (44) Eleventh magnetic isolation air gap (46) Twelfth magnetic isolation air gap (47) Thirteenth magnetic isolation air gap (48) Fourteenth magnetic air gap (49) Fifteenth magnetic air gap (50) First "human" shaped magnetic air gap (36) Second "human" shaped magnetic air gap (45) A first rectangular groove penetrating the thickness of the rotor lamination is provided near the outer circle of the rotor lamination, to the left of the center line of the first N magnetic pole and to the right of the center line with an angle of 11.25° with the center line of the first N magnetic pole. The center line of the first rectangular groove in the length direction is to the left of the center line of the first N magnetic pole and has an angle of 11° with the center line of the first N magnetic pole.Parallel to the center line of 25°, the outer end of the first rectangular groove is provided with a first circular arc magnetic isolation air gap penetrating the thickness of the rotor punching sheet. The outer end of the first circular arc magnetic isolation air gap is not connected to the outer circle of the rotor punching sheet. The inner end of the first circular arc magnetic isolation air gap is connected to the outer end of the first rectangular groove and forms a diameter of the first circular arc magnetic isolation air gap circle greater than the width of the first rectangular groove. At the inner end of the first rectangular groove, there is a first magnetic isolation air gap (34) penetrating the thickness of the rotor punching sheet. The upper end of the first magnetic isolation air gap (34) is connected to the inner end of the first rectangular groove and the width of the first magnetic isolation air gap (34) is less than the width of the first rectangular groove. The lower end of the first magnetic isolation air gap (34) is not connected to the inner circle of the rotor punching sheet. On the first N pole center line and near the outer circle of the rotor punching sheet, there is a first "human" - shaped magnetic isolation air gap (36) penetrating the thickness of the rotor punching sheet. The upper end of the first "human" - shaped magnetic isolation air gap (36) is not connected to the outer circle of the rotor punching sheet. At the lower left end of the first "human" - shaped magnetic isolation air gap (36), there is a third rectangular groove penetrating the thickness of the rotor punching sheet. The right end of the third rectangular groove is connected to the lower left end of the first "human" - shaped magnetic isolation air gap (36) and the width of the lower left end of the first "human" - shaped magnetic isolation air gap (36) is less than the width of the third rectangular groove. The lower left end of the third rectangular groove is not connected to the inner circle of the rotor punching sheet. The left end of the third rectangular groove is not connected to the lower end of the first magnetic isolation air gap (34), and the lowermost end of the left end of the third rectangular groove is on the same straight line as the lowermost end of the first magnetic isolation air gap (34). At the lower right end of the first "human" - shaped magnetic isolation air gap (36), there is a seventh rectangular groove penetrating the thickness of the rotor punching sheet. The left end of the seventh rectangular groove is connected to the lower right end of the first "human" - shaped magnetic isolation air gap (36) and the width of the lower right end of the first "human" - shaped magnetic isolation air gap (36) is less than the width of the seventh rectangular groove. The lowermost end of the right end of the seventh rectangular groove is not connected to the inner circle of the rotor punching sheet. Near the outer circle of the rotor punching sheet and between the first "human" - shaped magnetic isolation air gap (36) and the first rectangular groove, there is a second rectangular groove penetrating the thickness of the rotor punching sheet. The outer end of the second rectangular groove is not connected to the outer circle of the rotor punching sheet, the upper end of the first "human" - shaped magnetic isolation air gap (36), and the outer end of the first rectangular groove. At the inner end of the second rectangular groove, there is a twenty - fifth rectangular groove penetrating the thickness of the rotor punching sheet. The upper end of the twenty - fifth rectangular groove is connected to the inner end of the second rectangular groove and the length of the twenty - fifth rectangular groove is less than the width of the second rectangular groove. At the lower end of the twenty - fifth rectangular groove, there is a second magnetic isolation air gap (35) in the tangential direction penetrating the thickness of the rotor punching sheet. The upper end of the second magnetic isolation air gap (35) is connected to the lower end of the twenty - fifth rectangular groove. The left end of the twenty - fifth rectangular groove and the left end of the second magnetic isolation air gap (35) are on the same straight line. The length of the second magnetic isolation air gap (35) is greater than the length of the twenty - fifth rectangular groove. The right end of the second magnetic isolation air gap (35) is connected to the upper end of the first "human" - shaped magnetic isolation air gap. Near the outer circle of the rotor punching sheet and on the right side of the first N pole center line and at an angle of 11 with the first N pole center line...A third magnetic air gap (37) penetrating the thickness of the rotor lamination is provided on the left side of the 25° center line. The center line of the third magnetic air gap (37) in the length direction is parallel to the center line to the right of the center line of the first N magnetic pole and the center line of the first N magnetic pole is at an angle of 11.25°. The outer end of the third magnetic air gap (37) is not connected to the outer circle of the rotor lamination. An eighth rectangular slot penetrating the thickness of the rotor lamination is provided at the inner end of the third magnetic air gap (37). The right end of the eighth rectangular slot is connected to the inner end of the third magnetic air gap (37), and the width of the third magnetic air gap (37) is less than the width of the eighth rectangular slot. The bottom end of the left end of the eighth rectangular slot is not connected to the inner circle of the rotor lamination. The left end of the eighth rectangular slot is not connected to the right end of the seventh rectangular slot. The bottom end of the left end of the eighth rectangular slot is connected to the inner circle of the rotor lamination. The bottom right ends of the seven rectangular slots are on the same straight line. Near the outer circle of the rotor lamination, between the first "V"-shaped magnetic air gap (36) and the third magnetic air gap (37), there are two fourth rectangular slots with an inverted "V" shape structure that penetrate the thickness of the rotor lamination. The inner ends of the two fourth rectangular slots with an inverted "V" shape structure are not connected, and the outer ends of the two fourth rectangular slots with an inverted "V" shape structure are not connected to the outer circle of the rotor lamination. The outer end of the fourth rectangular slot on the left side of the two fourth rectangular slots with an inverted "V" shape structure is not connected to the upper end of the first "V"-shaped magnetic air gap (36), and the outer end of the fourth rectangular slot on the right side of the two fourth rectangular slots with an inverted "V" shape structure is not connected to the outer end of the third magnetic air gap (37). Between the inner end of the fourth rectangular slot on the left side of the two fourth rectangular slots and the upper end of the seventh rectangular slot, and on the right side of the upper end of the first "V"-shaped magnetic air gap (36), a fifth rectangular slot penetrating the thickness of the rotor lamination is provided. The upper end of the fifth rectangular slot is not connected to the inner end of the fourth rectangular slot on the left side of the two fourth rectangular slots with an inverted "V"-shaped structure. The lower end of the fifth rectangular slot is not connected to the upper end of the seventh rectangular slot. A twenty-sixth rectangular slot penetrating the thickness of the rotor lamination is provided at the left end of the fifth rectangular slot. The right end of the twenty-sixth rectangular slot is connected to the left end of the fifth rectangular slot, and the length of the twenty-sixth rectangular slot is less than the width of the fifth rectangular slot. The left end of the twenty-sixth rectangular slot is connected to the upper end of the first "V"-shaped magnetic air gap (36). Between the inner end of the fourth rectangular slot on the right and the upper end of the eighth rectangular slot, and on the left side of the third magnetic air gap (36), there is a sixth rectangular slot that penetrates the thickness of the rotor lamination. The upper end of the sixth rectangular slot is not connected to the inner end of the fourth rectangular slot on the right of the two fourth rectangular slots that form an inverted "V" shape. The lower end of the sixth rectangular slot is not connected to the upper end of the eighth rectangular slot. The left end of the sixth rectangular slot is not connected to the right end of the fifth rectangular slot. The lower end of the sixth rectangular slot is on the same straight line as the lower end of the fifth rectangular slot. A twenty-seventh rectangular slot that penetrates the thickness of the rotor lamination is provided on the right end of the sixth rectangular slot. The left end of the twenty-seventh rectangular slot is connected to the right end of the sixth rectangular slot, and the length of the twenty-seventh rectangular slot is less than the width of the sixth rectangular slot. The right end of the twenty-seventh rectangular slot is connected to the third magnetic air gap (37). Along the clockwise direction, near the outer circle of the rotor lamination, to the left of the center line of the first S magnetic pole and to the right of the center line with an angle of 11.25° with the center line of the first S magnetic pole, a fourteenth rectangular slot penetrating the thickness of the rotor lamination is provided. The center line of the fourteenth rectangular slot along its length is parallel to the center line to the left of the center line of the first S magnetic pole with an angle of 11.25° with the center line of the first S magnetic pole. At the outer end of the fourteenth rectangular slot, a second arc-shaped magnetic air gap penetrating the thickness of the rotor lamination is provided. The outer end of the second arc-shaped magnetic air gap is not connected to the outer circle of the rotor lamination. The inner end of the second arc-shaped magnetic air gap is connected to the outer end of the fourteenth rectangular slot, and the diameter of the circle forming the second arc-shaped magnetic air gap is greater than the width of the fourteenth rectangular slot. The outer end of the fourteenth rectangular slot is not connected to the outer end of the third magnetic air gap (37). The fourteenth rectangular slot has an eighth magnetic isolation gap (38) that penetrates the thickness of the rotor lamination. The left end of the eighth magnetic isolation gap (38) is connected to the inner end of the fourteenth rectangular slot, and the width of the eighth magnetic isolation gap (38) is smaller than the width of the fourteenth rectangular slot. The right end of the eighth magnetic isolation gap (38) extends tangentially to the left side of the center line of the first S magnetic pole. The lower end of the eighth magnetic isolation gap (38) is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination, to the right of the center line of the first S magnetic pole, and to the left of the center line with an angle of 11.25° with the center line of the first S magnetic pole, a ninth magnetic isolation gap (39) that penetrates the thickness of the rotor lamination is provided. The center line of the ninth magnetic isolation gap (39) in the length direction is to the right of the center line of the first S magnetic pole and at an angle of 11.25° with the center line of the first S magnetic pole. The center line is parallel to the center line at 11.25°. The outer end of the ninth magnetic air gap (39) is not connected to the outer circle of the rotor lamination. A fifteenth rectangular slot is provided at the inner end of the ninth magnetic air gap (39) that penetrates the thickness of the rotor lamination along the tangential direction. The right end of the fifteenth rectangular slot is connected to the inner end of the ninth magnetic air gap (39), and the width of the ninth magnetic air gap (39) is smaller than the width of the fifteenth rectangular slot. The left end of the fifteenth rectangular slot is to the right of the center line of the first S magnetic pole. The left end of the fifteenth rectangular slot is not connected to the right end of the eighth magnetic air gap (38). The lower end of the fifteenth rectangular slot is not connected to the inner circle of the rotor lamination. The center line of the fifteenth rectangular slot along the tangential direction is on the same straight line as the center line of the tangential part of the eighth magnetic air gap (38). Near the outer circle of the rotor lamination and at the center of the first S magnetic pole A fifth magnetic isolation air gap (43) penetrating the thickness of the rotor lamination is provided on the line. The outer end of the fifth magnetic isolation air gap (43) is not connected to the outer circle of the rotor lamination. A ninth rectangular groove penetrating the thickness of the rotor lamination is provided on the left side of the fifth magnetic isolation air gap (43) and near the outer circle of the rotor lamination. The outer end of the ninth rectangular groove is not connected to the outer circle of the rotor lamination or the outer end of the fifth magnetic isolation air gap (43). A twenty-eighth rectangular groove penetrating the thickness of the rotor lamination is provided at the inner end of the ninth rectangular groove. The upper end of the twenty-eighth rectangular groove is connected to the inner end of the ninth rectangular groove, and the length of the twenty-eighth rectangular groove is less than the width of the ninth rectangular groove. A fourth magnetic isolation air gap (42) penetrating the thickness of the rotor lamination along the tangential direction is provided at the lower end of the twenty-eighth rectangular groove. The upper end of the fourth magnetic isolation air gap (42) is connected to the lower end of the twenty-eighth rectangular groove.The length of the fourth magnetic air gap (42) is greater than the length of the twenty-eighth rectangular slot. The left end of the fourth magnetic air gap (42) is on the same straight line as the left end of the twenty-eighth rectangular slot. A twenty-ninth rectangular slot penetrating the thickness of the rotor lamination is provided at the right end of the fourth magnetic air gap (42). The left end of the twenty-ninth rectangular slot is connected to the right end of the fourth magnetic air gap (42). The lower end of the twenty-ninth rectangular slot is on the same straight line as the lower end of the fourth magnetic air gap (42). A tenth rectangular slot penetrating the thickness of the rotor lamination is provided at the right end of the twenty-ninth rectangular slot. The left end of the tenth rectangular slot is connected to the right end of the twenty-ninth rectangular slot, and the length of the twenty-ninth rectangular slot is less than the width of the tenth rectangular slot. A thirtieth rectangular slot penetrating the thickness of the rotor lamination is provided at the right end of the tenth rectangular slot. The left end of the thirtieth rectangular slot is connected to the right end of the twenty-eighth rectangular slot. The right end of the tenth rectangular slot is connected and the length of the thirtieth rectangular slot is less than the width of the tenth rectangular slot. The right end of the thirtieth rectangular slot is connected to the fifth magnetic isolation air gap (43). An eleventh rectangular slot is provided on the right side of the fifth magnetic isolation air gap (43) and near the outer circle of the rotor lamination, penetrating the thickness of the rotor lamination. The outer end of the eleventh rectangular slot is not connected to the outer end of the fifth magnetic isolation air gap (43) or the outer circle of the rotor lamination. A thirtieth rectangular slot is provided at the inner end of the eleventh rectangular slot, penetrating the thickness of the rotor lamination. The upper end of the thirtieth rectangular slot is connected to the inner end of the eleventh rectangular slot and the length of the thirtieth rectangular slot is less than the width of the eleventh rectangular slot. The lower end of the thirtieth rectangular slot is on the right side of the center line of the first S magnetic pole. The lower end of the thirtieth rectangular slot is connected to the inner end of the fifth magnetic isolation air gap (43). A sixth magnetic isolation air gap (40) penetrating the thickness of the rotor lamination is provided at the outer circle of the lamination and between the ninth and fourteenth rectangular slots. The outer end of the sixth magnetic isolation air gap (40) is not connected to the outer circle of the rotor lamination, the outer end of the ninth rectangular slot, or the outer end of the fourteenth rectangular slot. A twelfth rectangular slot penetrating the thickness of the rotor lamination along the tangential direction is provided at the inner end of the sixth magnetic isolation air gap (40). The left end of the twelfth rectangular slot is connected to the inner end of the sixth magnetic isolation air gap (40), and the width of the sixth magnetic isolation air gap (40) is smaller than the width of the twelfth rectangular slot. The upper end of the twelfth rectangular slot is not connected to the inner end of the fifth magnetic isolation air gap (43). The right end of the twelfth rectangular slot is to the left of the center line of the first S magnetic pole. The lower end of the twelfth rectangular slot is not connected to the upper end of the eighth magnetic isolation air gap (38). A thirteenth rectangular slot, penetrating the thickness of the rotor lamination, is provided between the eleventh rectangular slot and the ninth magnetic air gap (39). The outer end of the thirteenth rectangular slot is not connected to the outer circle of the rotor lamination, the outer end of the eleventh rectangular slot, or the outer end of the ninth magnetic air gap (39). A seventh magnetic air gap (41), penetrating the thickness of the rotor lamination, is provided at the inner end of the thirteenth rectangular slot. The right end of the seventh magnetic air gap (41) is connected to the inner end of the thirteenth rectangular slot, and the width of the seventh magnetic air gap (41) is less than the width of the thirteenth rectangular slot. The upper end of the seventh magnetic air gap (41) is not connected to the inner end of the fifth magnetic air gap (43). The left end of the seventh magnetic air gap (41) extends tangentially to the right side of the center line of the first S magnetic pole. The left end of the seventh magnetic air gap (41) is not connected to the right end of the twelfth rectangular slot.The lower end of the seventh magnetic gap (41) is not connected to the upper end of the fifteenth rectangular groove, and the center line of the twelfth rectangular groove along the tangential direction is on the same straight line as the center line of the tangential portion of the seventh magnetic gap (41). Along a clockwise direction, near the outer circumference of the rotor lamination, to the left of the center line of the second N magnetic pole and to the right of the center line forming an angle of 11.25° with the center line of the second N magnetic pole, a sixteenth rectangular slot penetrating the thickness of the rotor lamination is provided. The center line of the sixteenth rectangular slot in the length direction is parallel to the center line to the left of the center line of the second N magnetic pole, forming an angle of 11.25° with the center line of the second N magnetic pole. At the outer end of the sixteenth rectangular slot, a third arc-shaped magnetic isolation gap penetrating the thickness of the rotor lamination is provided. The outer end of the third arc-shaped magnetic isolation gap is not connected to the outer circumference of the rotor lamination, while the inner end of the third arc-shaped magnetic isolation gap is connected to the outer end of the sixteenth rectangular slot, and the diameter of the circle forming the third arc-shaped magnetic isolation gap is larger than the width of the sixteenth rectangular slot. The sixteenth rectangular slot is not connected to the outer end of the ninth magnetic gap (39). The sixteenth rectangular slot is provided with a tenth magnetic gap (44) that penetrates the thickness of the rotor lamination. The upper end of the tenth magnetic gap (44) is connected to the inner end of the sixteenth rectangular slot and the width of the tenth magnetic gap (44) is smaller than the width of the sixteenth rectangular slot. The lower end of the tenth magnetic gap (44) is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination and on the center line of the second N magnetic pole, a second "human" shaped magnetic gap (45) that penetrates the thickness of the rotor lamination is provided. The upper end of the second "human" shaped magnetic gap (45) is not connected to the outer circle of the rotor lamination. The lower left end of the second "human" shaped magnetic gap (45) is provided with a... A seventeenth rectangular slot penetrates the thickness of the rotor lamination. The right end of the seventeenth rectangular slot is connected to the lower left end of the second "V"-shaped magnetic air gap (45), and the width of the lower left end of the second "V"-shaped magnetic air gap (45) is less than the width of the seventeenth rectangular slot. The lower left end of the seventeenth rectangular slot is not connected to the inner circle of the rotor lamination. The left end of the seventeenth rectangular slot is not connected to the right end of the tenth magnetic air gap (44). The lower left end of the seventeenth rectangular slot and the lower right end of the tenth magnetic air gap (44) are on the same straight line. A nineteenth rectangular slot penetrating the thickness of the rotor lamination is provided at the lower right end of the second "V"-shaped magnetic air gap (45). The left end of the nineteenth rectangular slot is connected to the lower right end of the second "V"-shaped magnetic air gap (45), and the width of the lower left end of the second "V"-shaped magnetic air gap (45) is less than the width of the seventeenth rectangular slot. The width of the lower right end of the "V"-shaped magnetic air gap (45) is less than the width of the nineteenth rectangular slot. The lower right end of the nineteenth rectangular slot is not connected to the inner circle of the rotor lamination. Near the outer circle of the rotor lamination and between the sixteenth rectangular slot and the upper end of the second "V"-shaped magnetic air gap (45), a semi-circular slot is provided that penetrates the thickness of the rotor lamination. The inner arc surface of the semi-circular slot faces the outer circle of the rotor lamination. The left and right ends of the semi-circular slot are not connected to the outer circle of the rotor lamination. The left end of the semi-circular slot is not connected to the outer end of the sixteenth rectangular slot. The right end of the semi-circular slot is not connected to the upper end of the second "V"-shaped magnetic air gap (45). Near the outer circle of the rotor lamination and to the right of the center line of the second N magnetic pole, the angle between the two magnetic poles is 11°.A twentieth rectangular slot penetrating the thickness of the rotor lamination is provided on the left side of the 25° center line. A fourth arc-shaped magnetic air gap penetrating the thickness of the rotor lamination is provided at the outer end of the twentieth rectangular slot. The outer end of the fourth arc-shaped magnetic air gap is not connected to the outer circle of the rotor lamination. The inner end of the fourth arc-shaped magnetic air gap is connected to the outer end of the twentieth rectangular slot, and the diameter of the circle forming the fourth arc-shaped magnetic air gap is greater than the width of the twentieth rectangular slot. A twelfth magnetic air gap (47) penetrating the thickness of the rotor lamination is provided at the inner end of the twentieth rectangular slot. The upper end of the twelfth magnetic air gap (47) is connected to the inner end of the twentieth rectangular slot, and the width of the twelfth magnetic air gap (47) is less than the width of the twentieth rectangular slot. The lowermost end of the twelfth magnetic air gap (47) is not connected to the inner circle of the rotor lamination. The lower left end of the twelfth magnetic air gap (47) is connected to the lower right end of the nineteenth rectangular slot. The twelfth magnetic air gap (47) is not connected to the lower right end of the nineteenth rectangular slot. Near the outer circle of the rotor lamination, on the right side of the second "human" shaped magnetic air gap (45) and on the left side of the twentieth rectangular slot, there is an eighteenth rectangular slot that penetrates the thickness of the rotor lamination. The outer end of the eighteenth rectangular slot is not connected to the outer circle of the rotor lamination, the outer end of the twentieth rectangular slot, or the upper end of the second "human" shaped magnetic air gap (45). The inner end of the eighteenth rectangular slot is a thirty-second rectangular slot that penetrates the thickness of the rotor lamination. The upper end of the thirty-second rectangular slot is connected to the inner end of the eighteenth rectangular slot, and the length of the thirty-second rectangular slot is less than the width of the eighteenth rectangular slot. The lower end of the thirty-second rectangular slot is on the right side of the center line of the second N magnetic pole, and the lower end of the thirty-second rectangular slot is connected to the upper end of the second "human" shaped magnetic air gap (45). Along a clockwise direction, near the outer circumference of the rotor lamination, to the left of the center line of the second S magnetic pole and to the right of the center line at an angle of 11.25° to the center line of the second S magnetic pole, a twenty-second rectangular slot penetrating the thickness of the rotor lamination is provided. At the outer end of the twenty-second rectangular slot is a fifth arc-shaped magnetic isolation gap penetrating the thickness of the rotor lamination. The outer end of the fifth arc-shaped magnetic isolation gap is not connected to the outer circumference of the rotor lamination, while the inner end of the fifth arc-shaped magnetic isolation gap is connected to the outer end of the twenty-second rectangular slot, forming a circle of the fifth arc-shaped magnetic isolation gap. The diameter is greater than the width of the 22nd rectangular slot. The outer end of the 22nd rectangular slot is not connected to the outer end of the 20th rectangular slot. A 13th magnetic isolation air gap (48) penetrating the thickness of the rotor lamination is provided at the inner end of the 22nd rectangular slot. The upper end of the 13th magnetic isolation air gap (48) is connected to the inner end of the 22nd rectangular slot, and the width of the 13th magnetic isolation air gap (48) is less than the width of the 22nd rectangular slot. The lower end of the 13th magnetic isolation air gap (48) extends to the center line of the second S magnetic pole and is to the left of the center line of the second S magnetic pole. The lowest end of the 13th magnetic isolation air gap (48) is not connected to the inner circle of the rotor lamination. A 21st rectangular slot with a tangential structure penetrating the thickness of the rotor lamination is provided near the outer circle of the rotor lamination and between the 22nd rectangular slot and the center line of the second S magnetic pole. The right end of the 21st rectangular slot is to the left of the center line of the second S magnetic pole. The upper end of the 21st rectangular slot is connected to the outer circle of the rotor lamination. The length of the 21st rectangular slot is greater than the length of the 21st rectangular permanent magnet (28). The left end of the 21st rectangular slot is connected to the outer end of the 22nd rectangular slot. The 21st rectangular slot is not connected to the lower end of the middle of the slot. A circular hole for installing iron rivets (32) is provided through the thickness of the rotor lamination. The upper end of the circular hole for installing iron rivets (32) is not connected to the lower end of the 21st rectangular slot. The diameter of the circular hole for installing iron rivets (32) is larger than the diameter of the screw (33). The lower end of the circular hole for installing iron rivets (32) is not connected to the 13th magnetic gap (48). The hole is located near the outer circle of the rotor lamination and to the right of the center line of the second S magnetic pole, with an angle of 11° with the center line of the second S magnetic pole.A 23rd rectangular slot penetrating the thickness of the rotor lamination is provided on the left side of the 25° center line. A sixth arc-shaped magnetic air gap penetrating the thickness of the rotor lamination is provided at the outer end of the 23rd rectangular slot. The outer end of the sixth arc-shaped magnetic air gap is not connected to the outer circle of the rotor lamination. The inner end of the sixth arc-shaped magnetic air gap is connected to the outer end of the 23rd rectangular slot and forms a circle with a diameter greater than the width of the 23rd rectangular slot. The outer end of the 23rd rectangular slot is not connected to the outer end of the first rectangular slot. A 24th rectangular slot penetrating the thickness of the rotor lamination along the tangential direction is provided on the right side of the center line of the second S magnetic pole. The left end of the 24th rectangular slot is not connected to the right end of the 13th magnetic air gap (48). The lower end of the 24th rectangular slot is not connected to the inner circle of the rotor lamination. The lower end of the 24th rectangular slot is connected to the lowermost end of the 13th magnetic air gap (48). On the same straight line, between the right end of the 24th rectangular slot and the inner end of the 23rd rectangular slot, a 14th magnetic air gap (49) penetrating the thickness of the rotor lamination is provided. The right end of the 14th magnetic air gap (49) is connected to the inner end of the 23rd rectangular slot, and the left end of the 14th magnetic air gap (49) is connected to the right end of the 24th rectangular slot. The width of the 14th magnetic air gap (49) is smaller than the width of the 23rd rectangular slot and the width of the 24th rectangular slot. Near the outer circle of the rotor lamination and between the center line of the second S magnetic pole and the 23rd rectangular slot, a 15th magnetic air gap (50) penetrating the thickness of the rotor lamination is provided. The outer end of the 15th magnetic air gap (50) is not connected to the outer circle of the rotor lamination or the outer end of the 23rd rectangular slot, and the inner end of the 15th magnetic air gap (50) is connected to the 14th magnetic air gap (49). The rotor laminations are stacked and welded with the burrs facing in one direction to form the rotor core (4). The first rectangular permanent magnet (5) is installed in the first rectangular slot on the rotor core (4) with the right end face of the first rectangular permanent magnet (5) having the N pole polarity. The second rectangular permanent magnet (6) is installed in the second rectangular slot on the rotor core (4) with the right end face of the second rectangular permanent magnet (6) having the N pole polarity. The third rectangular permanent magnet (13) is installed in the third rectangular slot on the rotor core (4) with the upper end face of the third rectangular permanent magnet (13) having the N pole polarity. Two identical fourth rectangular permanent magnets (14) are installed with opposite sides having the N pole polarity. The fifth rectangular permanent magnet (15) is installed in the two fourth rectangular slots on the rotor core (4) in an inverted "V" shape. The fifth rectangular permanent magnet (15) is installed in the fifth rectangular slot on the rotor core (4) with the polarity of the upper end face of the fifth rectangular permanent magnet (15) being the N pole. The sixth rectangular permanent magnet (16) is installed in the sixth rectangular slot on the rotor core (4) with the polarity of the upper end face of the sixth rectangular permanent magnet (16) being the N pole. The seventh rectangular permanent magnet (8) is installed in the seventh rectangular slot on the rotor core (4) with the polarity of the upper end face of the seventh rectangular permanent magnet (8) being the N pole. The eighth rectangular permanent magnet (20) is installed in the eighth rectangular slot on the rotor core (4) with the polarity of the upper end face of the eighth rectangular permanent magnet (20) being the N pole. Within the rectangular slot, the first N pole of the permanent magnet rotor is formed. The ninth rectangular permanent magnet (18) is installed in the ninth rectangular slot on the rotor core (4) with the right end face of the ninth rectangular permanent magnet (18) having the S pole polarity. The tenth rectangular permanent magnet (19) is installed in the tenth rectangular slot on the rotor core (4) with the upper end face of the tenth rectangular permanent magnet (19) having the S pole polarity. The eleventh rectangular permanent magnet (20) is installed in the eleventh rectangular slot on the rotor core (4) with the left end face of the eleventh rectangular permanent magnet (20) having the S pole polarity. The twelfth rectangular permanent magnet (7) is installed in the twelfth rectangular slot on the rotor core (4) with the upper end face of the twelfth rectangular permanent magnet (7) having the S pole polarity. Thirteen rectangular permanent magnets (21) are installed in the thirteenth rectangular slot on the rotor core (4) with the left end face of the thirteenth rectangular permanent magnet (21) having the S pole polarity. Fourteenth rectangular permanent magnets (22) are installed in the fourteenth rectangular slot on the rotor core (4) with the right end face of the fourteenth rectangular permanent magnet (22) having the S pole polarity. Fifteenth rectangular permanent magnets (23) are installed in the fifteenth rectangular slot on the rotor core (4) with the upper end face of the fifteenth rectangular permanent magnet (23) having the S pole polarity, forming the first S pole of the permanent magnet rotor. Sixteenth rectangular permanent magnets (24) are installed in the sixteenth rectangular slot on the rotor core (4) with the right end face of the sixteenth rectangular permanent magnet (24) having the N pole polarity.The seventeenth rectangular permanent magnet (25) is installed in the seventeenth rectangular slot on the rotor core (4) with the polarity of its upper end face being N. The semi-circular permanent magnet (12) is installed in the semi-circular slot on the rotor core (4) with the polarity of its inner arc surface being N. The eighteenth rectangular permanent magnet (11) is installed in the eighteenth rectangular slot on the rotor core (4) with the polarity of its left end face being N. The nineteenth rectangular permanent magnet (26) is installed in the nineteenth rectangular slot on the rotor core (4) with the polarity of its upper end face being N. The twentieth rectangular permanent magnet (27) is installed in the twentieth rectangular slot on the rotor core (4) with the polarity of its left end face being N, forming the second N pole of the permanent magnet rotor. The 21st rectangular permanent magnet (28) with S pole is installed in the 21st rectangular slot by screws (33) through pole shoes (31) and fixed to the iron rivet (32) by screws (33). The 22nd rectangular permanent magnet (29) is installed in the 22nd rectangular slot on the rotor core (4) with the right end face of the 22nd rectangular permanent magnet (29) having the S pole polarity. The 23rd rectangular permanent magnet (30) is installed in the 23rd rectangular slot on the rotor core (4) with the left end face of the 23rd rectangular permanent magnet (30) having the S pole polarity. The 24th rectangular permanent magnet (10) is installed in the 24th rectangular slot on the rotor core (4) with the upper end face of the 24th rectangular permanent magnet (10) having the S pole polarity. This forms the second S pole of the permanent magnet rotor. This process is repeated. The rotor core (4) is press-fitted onto the shaft (2) to form an asymmetrical magnetic pole permanent magnet rotor with N poles and S poles arranged alternately.

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