CN110635644B - A power-increasing component of a brushless permanent magnet motor - Google Patents

Abstract

The present invention provides a power augmentation component of a brushless permanent magnet motor, which comprises an installation casing (100), a main motor (200), and an auxiliary motor (300). The main motor (200) and the auxiliary motor (300) are arranged in The outside of the casing (100) is installed and the auxiliary motor (300) is provided with two sides respectively located on the main motor (200), the main motor (200) includes a main stator (210), a main rotor (220) and independent electronic Commutator, the auxiliary motor (300) includes an auxiliary stator (310), an auxiliary rotor (320) and an independent electronic commutator, the auxiliary rotor (320) is fixedly connected to the main rotor (220) coaxially, and the auxiliary stator (310) Including the second armature winding (316), the auxiliary stator (320) includes the second permanent magnet (323), the second permanent magnet (323) and the second armature winding (316) are arranged obliquely opposite to each other. The two armature windings (316) are arranged away from each other and the distance between the two can be driven and adjusted by an external force.

Description

A power-increasing component of a brushless permanent magnet motor

technical field

The invention relates to a brushless permanent magnet motor, in particular to a power augmentation component of the brushless permanent magnet motor.

Background technique

Permanent magnet brushless motor has a very broad market prospect and research value. It has a simple and compact structure, safe and reliable operation, small size, light weight, low loss, and high conversion efficiency. Because of its wide range of applications, it is almost all over the aerospace and defense industries. , industrial and agricultural production and various fields of daily life, but brushless permanent magnet motors also have certain shortcomings, such as low power and inability to obtain high output speed. The power delivered by a stator winding and a rotor is limited, resulting in a limited range of adjustment of the output speed of the main shaft. In order to solve the above shortcomings and problems, the present invention must provide a Power boosting components for brushless permanent magnet motors with higher output speeds.

SUMMARY OF THE INVENTION

In order to solve the deficiencies of the prior art, the purpose of the present invention is to provide a three-stator brushless permanent magnet motor with double auxiliary superposition and increased power, which is ingenious in structure, simple in principle, convenient in operation and use, and can obtain higher output speed.

In order to achieve the above technical purpose, the technical solutions adopted in the present invention are as follows.

A power augmentation component of a brushless permanent magnet motor, comprising an installation casing (100), a main motor (200), and an auxiliary motor (300). The main motor (200) is arranged in the installation casing (100), and the auxiliary motor (300) is provided outside the installation casing (100) and the auxiliary motor (300) is provided with two sides respectively located on the main motor (200), the main motor (200) includes a main stator (210), a main rotor (220) ) and independent electronic commutator and rotor position sensor, auxiliary motor (300) includes auxiliary stator (310), auxiliary rotor (320) and independent electronic commutator and rotor position sensor, auxiliary rotor (320) and main rotor ( 220 ) are coaxially and fixedly connected, the auxiliary rotor ( 320 ) is movably arranged and the distance from the auxiliary stator ( 310 ) can be adjusted by external force driving, and in the initial state, the auxiliary rotor ( 320 ) and the auxiliary stator ( 310 ) are away from each other.

As a further optimization or improvement of this scheme.

The electronic commutator includes two parts: a power conversion circuit and a control circuit. The electronic commutator and the position sensor are used to control the DC power-on sequence of the windings in the main stator (210)/auxiliary stator (310) and make the main rotor (220) ) and the magnetic field generated by the main stator (210)/the magnetic field generated by the auxiliary rotor (320) and the magnetic field generated by the auxiliary stator (310) always maintain a space angle of ninety degrees.

As a further optimization or improvement of this scheme.

The installation casing (100) includes an annular casing (101), and the main stator (210) includes a first installation ring (211) that is coaxially fixed and embedded on the inner circular surface of the casing (101). , an armature winding one (212) is fixedly embedded on the inner circular surface of the mounting ring one (211), and the armature winding one (212) is provided with a plurality of them and is arranged in an array along the circumferential direction of the mounting ring one (211), so A limit ring (102) is fixed coaxially on the side surface of the casing (101), and the limit ring (102) is arranged facing the first armature winding (212).

As a further optimization or improvement of this scheme.

The outer surface of the limit ring (102) is fixedly provided with guide rods (103) which are parallel to the axial direction of the casing (101) and extend outward, and four guide rods (103) are provided along the limit ring (102). ) are arranged in an array in the circumferential direction, the guide rod (103) is fixedly sleeved with a bearing bracket (105), and one end of the guide rod (103) facing away from the limit ring (102) is coaxially fixed with a bearing bracket (105). 105) A limit bolt (104) for constraining, a stabilizing sleeve (106) coaxially arranged with the casing (101) is fixedly arranged on the bearing bracket (105), and the stabilizing sleeve (106) is connected to the bearing bracket (105). 105) Fixed as a whole.

As a further optimization or improvement of this scheme.

The main rotor (220) is coaxially rotatably arranged in two stable sleeves (106) arranged symmetrically on the left and right, and the main rotor (220) includes a main shaft (221) which is coaxially movably penetrated in the two stable sleeves (106). ), a bearing (107) is fixedly sleeved between the main shaft (221) and the stable sleeve (106), and the main shaft (221) is coaxially fixed with a mounting plate (222) at the central position of the main shaft (221) in its axial direction. One (222) is located between the first armature windings (212), and a rectangular permanent magnet one (223) is embedded on the outer surface of the mounting plate one (222), and the length direction of the permanent magnet one (223) is parallel to the mounting plate. The axial and width directions of the one (222) are parallel to the tangential direction of the circumference of the first mounting plate (222).

As a further optimization or improvement of this scheme.

The auxiliary stator (310) includes an annular mounting bracket (311) located between the bearing bracket (105) and the limit ring (102) and coaxially sleeved outside the main shaft (211). The outer circular surface is fixedly provided with external protrusions (312), four external protrusions (312) are provided and arranged in an array along the circumferential direction where the mounting bracket (311) is located, the external protrusions (312) and the guide rod ( 103) One-to-one correspondence and the external protrusion (312) is movably sleeved on the guide rod (103), and the external protrusion (312) and the guide rod (103) are along the axial direction parallel to the main shaft (221). To form a sliding guide fit, an annular connecting plate (314) is coaxially fixed on one end face of the mounting bracket (311) close to the limit ring (102), and the connecting plate (314) is coaxially fixed on one end face of the limit ring (102). A second annular mounting ring (313) is provided, and the second mounting ring (313) is set close to one end surface of the limit ring (102) to form a mounting cone (315) and the size of the opening formed by the mounting cone (315) is determined by the bearing bracket. (105) is narrowed between the pointing limit rings (102), the installation cone surface one (315) is fixedly embedded with the armature winding two (316) arranged obliquely, and the inclination angle of the armature winding two (316) is the same as the installation The inclination angle of the first cone surface (315) is the same, and the second armature winding (316) is provided with a plurality of them and arranged in an array along the circumferential direction where the second installation ring (313) is located. In the initial state, the second armature winding (316) is far away from the limit ring (102) Arrangement.

As a further optimization or improvement of this scheme.

The auxiliary rotor (320) includes a second mounting plate (321) that is coaxially and fixedly sleeved on the main shaft (221) and is located on one side of the first mounting plate (222). The second mounting plate (321) and the first mounting plate (222) ) are arranged with equal diameters and the two are fixedly connected to each other close to one end face. The one end face of the mounting plate two (321) facing away from the first mounting plate (22) is set as the second mounting cone surface (322), the second mounting cone surface (322) and the mounting cone surface. One (315) is arranged opposite and parallel to each other, and the second installation cone (322) is fixedly embedded with a rectangular permanent magnet two (323), and the length direction of the second permanent magnet (323) is parallel to the inclination of the installation cone (322). The direction and width direction are parallel to the tangential direction of the circumference of the second mounting plate (321), and two permanent magnets (323) are provided and arranged in an array along the circumferential direction where the second mounting plate (321) is located. In the initial state, the second permanent magnet (323) ) and the second armature winding (316) are arranged away from each other and the distance between the two can be driven and adjusted by an external force.

As a further optimization or improvement of this scheme.

The first junction box (110) and the second junction box (120) are fixedly arranged on the outer circular surface of the casing (101). For connection and laying, the second junction box (120) is used for connecting and laying the line connected to the second armature winding (316).

Compared with the prior art, the present invention has the advantages of ingenious structure, simple principle, convenient operation and use, auxiliary motors are arranged on both sides of the main motor, the rotor of the auxiliary motor is integrated with the rotor of the main motor, and the auxiliary motor is in the initial state. The stator of the motor and the rotor of the auxiliary motor are far away from each other, and the magnetic force driving the stator to rotate is weak. By making the stator of the auxiliary motor and the rotor of the auxiliary motor close to each other, the torque of the main motor spindle is increased, and the power of the main motor can be increased. When it is raised to the maximum, by keeping the stator of the auxiliary motor and the rotor of the auxiliary motor away from each other, the speed of the main shaft is further increased.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the overall structure of the present invention.

FIG. 3 is a schematic diagram of the overall structure of the present invention.

FIG. 4 is a schematic diagram of the overall structure of the present invention.

Figure 5 shows the installation diagram of the main motor.

Figure 6 shows the installation diagram of the main motor.

Figure 7 is a diagram of the cooperation between the main motor and the installation casing.

FIG. 8 is a schematic view of the structure of the main stator.

FIG. 9 is a schematic view of the structure of the main rotor.

Fig. 10 is a diagram showing the cooperation between the installation casing and the main shaft.

Figure 11 is an installation diagram of the auxiliary motor.

FIG. 12 is a schematic structural diagram of the auxiliary stator.

Figure 13 is a schematic exploded view of the auxiliary stator.

Fig. 14 is a partial fitting diagram of the auxiliary stator.

Figure 15 is a diagram of the cooperation between the auxiliary rotor and the main shaft.

FIG. 16 is a schematic diagram of the structure of the auxiliary rotor.

Figure 17 is a diagram showing the cooperation between the power increasing speed regulating device and the auxiliary stator.

Fig. 18 is a diagram showing the cooperation between the power increasing speed regulating device and the auxiliary stator.

FIG. 19 is a schematic diagram of the partial structure of the power increasing speed regulating device.

FIG. 20 is a schematic diagram of the partial structure of the power increasing speed regulating device.

The figure is marked as:

100, install the casing; 101, shell; 102, limit ring; 103, guide rod; 104, limit bolt; 105, bearing bracket; 106, stable sleeve; 107, bearing; 110, junction box one; 120. Junction box two;

200, main motor; 210, main stator; 211, mounting ring one; 212, armature winding one; 220, main rotor; 221, main shaft; 222, mounting plate one; 223, permanent magnet one;

300, auxiliary motor; 310, auxiliary stator; 311, mounting frame; 312, external protrusion; 313, mounting ring two; 314, connecting plate; 315, mounting cone surface one; 316, armature winding two; 320, auxiliary Rotor; 321, Mounting Disc II; 322, Mounting Cone Surface II; 323, Permanent Magnet II; 330, Linkage Frame;

400, power increasing speed regulating device; 401, guide groove; 402, cover plate; 403, push slider; 404, rack; 405, inner sink; 406, gear; 407, stepping motor.

Detailed ways

The double auxiliary superimposed power boosting three-stator brushless permanent magnet motor includes an installation casing 100 , a main motor 200 , an auxiliary motor 300 and a power increasing speed regulating device 400 . The main motor 200 is arranged in the installation casing 100 , and the auxiliary motor 300 is arranged Outside the installation casing 100 and the auxiliary motor 300 is provided with two sides respectively located on one side of the main motor 200 , the power increasing speed regulating device 400 is fixedly arranged outside the installation casing 100 , and the main motor 200 includes a main stator 210 and a main rotor. 220 and an independent electronic commutator and rotor position sensor, the auxiliary motor 300 includes an auxiliary stator 310, an auxiliary rotor 320 and an independent electronic commutator and rotor position sensor, the auxiliary rotor 320 is coaxially and fixedly connected to the main rotor 220, and the auxiliary rotor The distance between the auxiliary rotor 320 and the auxiliary stator 310 is adjustable, and the auxiliary rotor 320 and the auxiliary stator 310 are separated from each other in the initial state.

Specifically, the electronic commutator includes two parts: a power conversion circuit and a control circuit. The electronic commutator cooperates with a position sensor to control the DC energization sequence of the windings in the main stator 210/auxiliary stator 310 and make the main rotor 220 generate The magnetic field and the magnetic field generated by the main stator 210 / the magnetic field generated by the auxiliary rotor 320 and the magnetic field generated by the auxiliary stator 310 always maintain a space angle of 90 degrees.

During the working process, the independent electronic commutator and the position sensor cooperate with each other to energize the windings in the main stator 210 in a certain order. , drive the main rotor 220 to rotate. When it is necessary to increase the power of the main motor 200 and increase the torque of the main rotor 220, the power increasing speed regulating device 400 is activated to drive the auxiliary rotor 320 to move close to the auxiliary stator 310. The commutator and the position sensor cooperate with each other to energize the windings in the auxiliary stator 310 in a certain order. The magnetic field generated by the auxiliary rotor 320 interacts with the magnetic field generated by the auxiliary stator 310 and generates torque at a space angle of ninety degrees. The torque of the main motor 200 increases and the power of the main motor 200 increases; when the speed of the main rotor 220 needs to be increased, the power-increasing speed regulating device 400 is activated to drive the auxiliary rotor 320 to move closer to the auxiliary stator 310 and move away from each other, so that the magnetic field generated by the auxiliary rotor 320 and the The interaction of the magnetic fields generated by the auxiliary stator 310 is weakened, and the rotation speed of the main rotor 220 is increased.

In order to facilitate the installation of the main stator 210, the installation casing 100 includes an annular casing 101, and the main stator 210 includes an installation ring 211 coaxially fixed and embedded on the inner surface of the casing 101. An armature winding one 212 is fixedly embedded on the inner circular surface of the ring one 211, and the armature winding one 212 is provided with a plurality of them and arranged in an array along the circumferential direction of the mounting ring one 211. In order to restrain the armature winding one 212, A limit ring 102 is fixed coaxially on the side surface of the casing 101 , and the limit ring 102 is arranged in direct opposition to the first armature winding 212 .

In order to facilitate the installation of the main rotor 220 , the outer surface of the limit ring 102 is fixedly provided with guide rods 103 which are parallel to the axial direction of the casing 101 and extend outward. There are four guide rods 103 along the position of the limit ring 102 Arrays are arranged in the circumferential direction, and a bearing bracket 105 is fixedly sleeved on the guide rod 103 . Constrained limit bolts 104, the bearing bracket 105 is fixedly provided with a stable sleeve 106 coaxially arranged with the casing 101, and the stable sleeve 106 is fixedly connected to the bearing bracket 105 as a whole, the main rotor 220 is coaxial The main rotor 220 includes a main shaft 221 which is coaxially movably penetrated in the two stable sleeves 106, and a bearing 107 is fixedly sleeved between the main shaft 221 and the stable sleeve 106. The main shaft 221 is coaxially fixedly sleeved with a mounting plate 1 222 at the central position along its axial direction, and the mounting plate 1 222 is located between the armature windings 1 212. A rectangular permanent magnet 1 223 is embedded on the outer surface of the mounting plate 1 222. The length direction of the permanent magnet one 223 is parallel to the axial direction of the mounting disk one 222, and the width direction is parallel to the tangential direction of the circumference of the mounting disk one 222. The permanent magnet one 223 is provided with a plurality of and arrayed along the circumferential direction of the mounting disk one 222. layout.

In order to facilitate the installation of the auxiliary stator 310 , the auxiliary stator 310 includes an annular mounting bracket 311 located between the bearing bracket 105 and the limit ring 102 and coaxially sleeved outside the main shaft 211 . The external protrusions 312 are fixedly arranged. Four external protrusions 312 are provided and arranged in an array along the circumferential direction of the mounting bracket 311. The external protrusions 312 correspond to the guide rods 103 one-to-one, and the external protrusions 312 are movably socketed. On the guide rod 103, a sliding guide fit is formed between the external protrusion 312 and the guide rod 103 along the axial direction parallel to the main shaft 221, and an annular connecting plate is coaxially fixed on one end surface of the mounting bracket 311 close to the limit ring 102. 314, an annular mounting ring 2 313 is coaxially fixed on one end face of the connecting plate 314 close to the limit ring 102, and the second mounting ring 313 is set close to the limit ring 102 on one end face to form a mounting cone surface 1 315 and a mounting cone surface 1 315. The size of the opening is narrowed from the bearing bracket 105 to the limit ring 102. The installation cone 1 315 is fixedly embedded with an inclined arrangement of the armature winding 2 316, and the inclination angle of the armature winding 2 316 is the same as that of the installation cone 315. The inclination angles of the second armature windings 316 are the same, and the second armature windings 316 are arranged in array along the circumferential direction where the second mounting ring 313 is located. In the initial state, the second armature windings 316 are arranged away from the limiting ring 102 .

In order to facilitate the installation of the auxiliary rotor 320, the auxiliary rotor 320 includes a second mounting plate 321 that is coaxially fixedly sleeved on the main shaft 221 and located on one side of the first mounting plate 222. The second mounting plate 321 and the first mounting plate 222 are arranged with equal diameters And the two are close to each other and are fixedly connected to each other. One end of the mounting plate 321 away from the one end of the mounting plate 22 is set to the second mounting cone 322. The second mounting cone 322 and the first mounting cone 315 are arranged opposite and parallel to each other, and the second mounting cone is installed. 322 is fixedly embedded with a rectangular permanent magnet two 323. The length direction of the permanent magnet two 323 is parallel to the inclination direction of the installation cone surface two 322, and the width direction is parallel to the tangential direction of the circumference of the mounting plate two 321. The permanent magnet two 323 is provided with The two are arranged in an array along the circumferential direction where the second mounting plate 321 is located. In the initial state, the second permanent magnet 323 and the second armature winding 316 are arranged away from each other.

During the working process of the main motor 200, the independent electronic commutator and the position sensor cooperate with each other to energize the armature winding one 212 in a certain order, the armature winding one 212 will generate a magnetic field and the magnetic field is always maintained with the permanent magnet one 223. At a space angle of 90 degrees, under the action of the magnetic force, the main shaft 221 will form a torque and rotate around its own axis, and the output shaft of the main shaft 221 is connected with the external equipment and outputs the power to the outside.

During the working process of the auxiliary motor 300, when the output power of the main motor 200 needs to be increased, the specific performance is that the power-increasing speed regulating device 400 starts to operate and drives the mounting frame 311 to slide along the guide rod 103 and close to the limit ring 102. The frame 311 will drive the auxiliary stator 310 as a whole to slide close to the limit ring 102 synchronously, and the distance between the second armature winding 316 and the second permanent magnet 323 gradually decreases and approaches each other. Then, the independent electronic commutator and the position sensor cooperate with each other. The second armature winding 316 is energized in a certain order, and the second armature winding 316 will generate a magnetic field and the magnetic field will always maintain a 90-degree space angle with the second permanent magnet 323. Under the action of the magnetic force, the torque of the main shaft 221 will increase, The output power of the main motor 200 increases; after that, when the main shaft 221 needs to be lifted, the specific performance is that the power increasing speed regulating device 400 starts to operate and drives the mounting frame 311 to slide along the guide rod 103 away from the limit ring 102, and the armature winding The magnetic force between the magnetic field generated by the second 316 and the magnetic field generated by the permanent magnet second 323 is gradually weakened, and the rotation speed of the main shaft 221 is gradually increased.

As a more optimized solution of the present invention, in order to facilitate the wiring of the circuit, a junction box 1 110 and a junction box 2 120 are fixedly arranged on the outer surface of the casing 101, and the junction box 1 110 is used to connect with the armature winding 1. The connection and laying of the 212 connection line, the junction box 2 120 is used for the connection and laying of the connection line with the armature winding 2 316, the significance of adopting this scheme is that the structure is simple, convenient for the laying and connection of the line, avoiding the exposure of the line, and improving the Electricity safety.

In order to adjust the distance between the auxiliary rotor 320 and the auxiliary stator 310, a linkage frame 330 is fixed on the mounting frame 311. By driving the linkage frame 300 to move closer to/away from the limit ring 102, the distance between the auxiliary rotor 320 and the auxiliary stator 310 is controlled. The power increasing and speed regulating device 400 includes guide grooves 401 fixed on the outer surface of the casing 101 and penetrating left and right along the axial direction parallel to the casing 101. The guide grooves 401 are arranged in parallel with two The two are arranged at a distance. A cover plate 402 is fixed at the notch of the guide groove 401. A rectangular push block 403 is movably arranged in the guide groove 401 and is arranged in parallel with the axial direction of the casing 101. The two push blocks 403 move along the casing The radial direction of the body 101 constitutes a center-symmetric arrangement, and the push block 403 extends to the outside of the guide groove 401 along its length direction, and a sliding guide is formed between the push block 403 and the guide groove 401 along the axial direction parallel to the casing 101 Matching, the outer surface of the casing 101 is also provided with a circular inner sinking groove 405, the inner sinking groove 405 is located between the two guide grooves 401 and is connected to the guide groove 401, and the groove depth direction of the inner sinking groove 405 is along the shell. The radial arrangement of the body 101, a gear 406 is arranged coaxially in the inner recessed groove 405, and a rack 404 is arranged on one end face of the abutting sliding block 403 which is mutually meshed with the gear 406. One end of the block 403 is fixedly connected with the linkage frame 330 on the left side, the other end of the push block 403 moves through the linkage frame 330 on the right side, and one end of the push block 403 is fixedly connected with the linkage frame 330 on the right side and the The other end of the push block 403 moves through the linkage frame 330 on the left side.

Specifically, in order to drive the gear 406 to rotate, a stepper motor 407 is fixed on the cover plate 402 , and the output shaft of the stepper motor 407 moves through the cover plate 402 and is coaxially and fixedly connected with the gear 406 .

During the working process of the power increasing speed regulating device 400, when the auxiliary stator 310 needs to move close to the auxiliary rotor 320, the user starts the stepper motor 407 to rotate forward, the stepper motor 407 will drive the gear 406 to rotate clockwise, and the gear 406 will drive the two. The abutting sliders 403 move close to each other along the guiding direction of the guide groove 401, and the abutting sliders 403 will drive the linkage frames 330 to slide close to each other, and the linkage frames 330 will drive the auxiliary stator 310 to slide close to the auxiliary rotor 320, and the second armature winding 316 The second electromagnet 323 is close to each other. At this time, after the armature winding 2 316 is energized, the torque of the main shaft 221 increases, and the power of the main motor 200 increases. Thereafter, when the auxiliary stator 310 needs to move away from the auxiliary rotor 320, the user Start the stepper motor 407 to reverse, the stepper motor 407 will drive the drive gear 406 to rotate counterclockwise, the gear 406 will drive the two abutting sliders 403 to slide away from each other along the guiding direction of the guide groove 401, and the abutting sliders 403 will drive The linkage frames 330 slide away from each other, and the linkage frame 330 will drive the auxiliary stator 310 to slide away from the auxiliary rotor 320 . During this process, the rotational speed of the main shaft 221 will gradually increase.

Claims (3)

1. The utility model provides a brushless permanent-magnet machine's increase merit component which characterized in that: the power-increasing speed-regulating device comprises an installation machine shell (100), a main motor (200), an auxiliary motor (300) and a power-increasing speed-regulating device (400), wherein the main motor (200) is arranged in the installation machine shell (100), the auxiliary motor (300) is arranged outside the installation machine shell (100) and two auxiliary motors (300) are respectively arranged on two sides of the main motor (200), the main motor (200) comprises a main stator (210), a main rotor (220) and independent electronic commutators and rotor position sensors, the auxiliary motor (300) comprises an auxiliary stator (310), an auxiliary rotor (320) and independent electronic commutators and rotor position sensors, the auxiliary rotor (320) is coaxially and fixedly connected with the main rotor (220), the auxiliary rotor (320) is movably arranged and the distance between the auxiliary rotor and the auxiliary stator (310) can be adjusted by external force driving, and the auxiliary rotor (320) and the auxiliary stator (310) are far away from each other in an initial state;

the mounting machine shell (100) comprises an annular shell (101), the main stator (210) comprises a first mounting ring (211) which is coaxially and fixedly embedded on the inner circular surface of the shell (101), a first armature winding (212) is fixedly embedded on the inner circular surface of the first mounting ring (211), the first armature winding (212) is provided with a plurality of first armature windings and is arranged in an array mode along the circumferential direction of the first mounting ring (211), a limiting ring (102) is coaxially and fixedly arranged on the side surface of the shell (101), and the limiting ring (102) is arranged opposite to the first armature winding (212);

the outer side surface of the limiting ring (102) is fixedly provided with guide rods (103) which are parallel to the axial direction of the shell (101) and extend outwards, the guide rods (103) are provided with four guide rods and are arranged in an array along the circumferential direction where the limiting ring (102) is located, a support bracket (105) is fixedly sleeved on the guide rods (103), one end, away from the limiting ring (102), of each guide rod (103) is coaxially and fixedly provided with a limiting bolt (104) used for restraining the support bracket (105), the support bracket (105) is fixedly provided with a stabilizing sleeve (106) which is coaxially arranged with the shell (101), and the stabilizing sleeve (106) is fixedly connected with the support bracket (105) into a whole;

the auxiliary stator (310) comprises an annular mounting frame (311) which is located between a support bracket (105) and a limiting ring (102) and coaxially sleeved outside a main shaft (211), external protrusions (312) are fixedly arranged on the outer circular surface of the mounting frame (311), the external protrusions (312) are arranged in a four-way mode and are arranged in an array mode along the circumferential direction where the mounting frame (311) is located, the external protrusions (312) correspond to guide rods (103) one by one, the external protrusions (312) are movably sleeved on the guide rods (103), sliding guide matching is formed between the external protrusions (312) and the guide rods (103) along the axial direction parallel to the main shaft (221), an annular connecting plate (314) is coaxially and fixedly arranged on one end face, close to the limiting ring (102), of the connecting plate (314), an annular mounting ring II (313) is coaxially and fixedly arranged on one end face, close to the limiting ring (102), of the mounting ring II (313), a mounting cone I (315) is arranged on one end face, and a mounting cone (315 The size of an opening formed by the first mounting cone surface (315) is narrowed from the support bracket (105) to the position between the limiting rings (102), a second armature winding (316) which is obliquely arranged is fixedly embedded on the first mounting cone surface (315), the inclination angle of the second armature winding (316) is consistent with that of the first mounting cone surface (315), the second armature winding (316) is provided with a plurality of armature windings which are arrayed along the circumferential direction of the second mounting ring (313), and the second armature winding (316) is far away from the limiting rings (102) in the initial state;

the power-increasing speed-regulating device (400) comprises two guide grooves (401) which are fixedly arranged on the outer circular surface of the shell (101) and penetrate through the shell (101) in the left-right direction along the axial direction parallel to the shell, the guide grooves (401) are arranged in parallel and are arranged at intervals, a cover plate (402) is fixedly arranged at the notch of each guide groove (401), rectangular pushing sliders (403) which are arranged in parallel to the axial direction of the shell (101) are movably arranged in each guide groove (401), the two pushing sliders (403) form central symmetry arrangement along the radial direction of the shell (101), the pushing sliders (403) extend to the outer portion of each guide groove (401) along the length direction of the pushing sliders, sliding guide matching is formed between the pushing sliders (403) and the guide grooves (401) along the axial direction parallel to the shell (101), and circular inner sunken grooves (405) are further formed in the outer circular surface of the shell (101), the inner sinking groove (405) is located between the two guide grooves (401) and is connected and communicated with the guide grooves (401), the groove depth direction of the inner sinking groove (405) is arranged along the radial direction of the shell (101), a gear (406) is coaxially and rotatably arranged in the inner sinking groove (405), racks (404) meshed with the gear (406) are arranged on the abutting sliding blocks (403) close to one end face, one end of each abutting sliding block (403) is fixedly connected with the linkage frame (330) on the left side, the other end of each abutting sliding block (403) movably penetrates through the linkage frame (330) on the right side, one end of each abutting sliding block (403) is fixedly connected with the linkage frame (330) on the right side, and the other end of each abutting sliding block (403) movably penetrates through the linkage frame (330) on the left side.

2. The power increasing member of a brushless permanent magnet motor according to claim 1, wherein: the auxiliary rotor (320) comprises a second mounting disk (321) which is coaxially and fixedly sleeved on the main shaft (221) and located on one side of the first mounting disk (222), the second mounting disk (321) and the first mounting disk (222) are arranged in an equal diameter mode and are fixedly connected with each other close to one end face, away from the first mounting disk (22), of the second mounting disk (321) is provided with a second mounting conical surface (322), the second mounting conical surface (322) and the first mounting conical surface (315) are oppositely arranged and are parallel to each other, rectangular second permanent magnets (323) are fixedly embedded on the second mounting conical surface (322), the length direction of the second permanent magnets (323) is parallel to the inclination direction of the second mounting conical surface (322), the width direction of the second permanent magnets is parallel to the tangent direction of the circumference where the second mounting disk (321) is located, the second permanent magnets (323) are provided with two permanent magnets and are arranged in an array mode along the circumference direction where the second mounting disk (321) is located, the second permanent magnets (323) and the force is drive regulated.

3. The power increasing member of a brushless permanent magnet motor according to claim 1, wherein: the outer circular surface of the shell (101) is fixedly provided with a first junction box (110) and a second junction box (120), the first junction box (110) is used for laying the connection of a circuit communicated with the first armature winding (212), and the second junction box (120) is used for laying the connection of a circuit communicated with the second armature winding (316).

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